diff options
| author | Kumar Gala <galak@kernel.crashing.org> | 2006-03-27 23:43:27 -0600 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2006-03-27 23:43:27 -0600 |
| commit | 5cd272085bbc905532869f3e1fd18a7100496b56 (patch) | |
| tree | 2c29f8a713e90fe55864502ed962c656014bca71 /arch/ppc | |
| parent | ff2e6d7e27cf1f757ab0d97e1a9e46de47152a0e (diff) | |
powerpc: move math-emu over to arch/powerpc
Towards the goal of having arch/powerpc not build anything over in arch/ppc
move math-emu over. Also, killed some references to arch/ppc/ in the
arch/powerpc Makefile which should belong in drivers/ when the particular
sub-arch's move over to arch/powerpc.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/ppc')
54 files changed, 1 insertions, 4507 deletions
diff --git a/arch/ppc/Makefile b/arch/ppc/Makefile index cde5fa87f455..87bd0638ab62 100644 --- a/arch/ppc/Makefile +++ b/arch/ppc/Makefile @@ -69,7 +69,7 @@ core-y += arch/ppc/kernel/ arch/powerpc/kernel/ \ core-$(CONFIG_4xx) += arch/ppc/platforms/4xx/ core-$(CONFIG_83xx) += arch/ppc/platforms/83xx/ core-$(CONFIG_85xx) += arch/ppc/platforms/85xx/ -core-$(CONFIG_MATH_EMULATION) += arch/ppc/math-emu/ +core-$(CONFIG_MATH_EMULATION) += arch/powerpc/math-emu/ core-$(CONFIG_XMON) += arch/ppc/xmon/ core-$(CONFIG_APUS) += arch/ppc/amiga/ drivers-$(CONFIG_8xx) += arch/ppc/8xx_io/ diff --git a/arch/ppc/math-emu/Makefile b/arch/ppc/math-emu/Makefile deleted file mode 100644 index 754143e8936b..000000000000 --- a/arch/ppc/math-emu/Makefile +++ /dev/null @@ -1,13 +0,0 @@ - -obj-y := math.o fmr.o lfd.o stfd.o - -obj-$(CONFIG_MATH_EMULATION) += fabs.o fadd.o fadds.o fcmpo.o fcmpu.o \ - fctiw.o fctiwz.o fdiv.o fdivs.o \ - fmadd.o fmadds.o fmsub.o fmsubs.o \ - fmul.o fmuls.o fnabs.o fneg.o types.o \ - fnmadd.o fnmadds.o fnmsub.o fnmsubs.o \ - fres.o frsp.o frsqrte.o fsel.o lfs.o \ - fsqrt.o fsqrts.o fsub.o fsubs.o \ - mcrfs.o mffs.o mtfsb0.o mtfsb1.o \ - mtfsf.o mtfsfi.o stfiwx.o stfs.o \ - udivmodti4.o diff --git a/arch/ppc/math-emu/double.h b/arch/ppc/math-emu/double.h deleted file mode 100644 index ffba8b67f059..000000000000 --- a/arch/ppc/math-emu/double.h +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Definitions for IEEE Double Precision - */ - -#if _FP_W_TYPE_SIZE < 32 -#error "Here's a nickel kid. Go buy yourself a real computer." -#endif - -#if _FP_W_TYPE_SIZE < 64 -#define _FP_FRACTBITS_D (2 * _FP_W_TYPE_SIZE) -#else -#define _FP_FRACTBITS_D _FP_W_TYPE_SIZE -#endif - -#define _FP_FRACBITS_D 53 -#define _FP_FRACXBITS_D (_FP_FRACTBITS_D - _FP_FRACBITS_D) -#define _FP_WFRACBITS_D (_FP_WORKBITS + _FP_FRACBITS_D) -#define _FP_WFRACXBITS_D (_FP_FRACTBITS_D - _FP_WFRACBITS_D) -#define _FP_EXPBITS_D 11 -#define _FP_EXPBIAS_D 1023 -#define _FP_EXPMAX_D 2047 - -#define _FP_QNANBIT_D \ - ((_FP_W_TYPE)1 << ((_FP_FRACBITS_D-2) % _FP_W_TYPE_SIZE)) -#define _FP_IMPLBIT_D \ - ((_FP_W_TYPE)1 << ((_FP_FRACBITS_D-1) % _FP_W_TYPE_SIZE)) -#define _FP_OVERFLOW_D \ - ((_FP_W_TYPE)1 << (_FP_WFRACBITS_D % _FP_W_TYPE_SIZE)) - -#if _FP_W_TYPE_SIZE < 64 - -union _FP_UNION_D -{ - double flt; - struct { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned sign : 1; - unsigned exp : _FP_EXPBITS_D; - unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE; - unsigned frac0 : _FP_W_TYPE_SIZE; -#else - unsigned frac0 : _FP_W_TYPE_SIZE; - unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE; - unsigned exp : _FP_EXPBITS_D; - unsigned sign : 1; -#endif - } bits __attribute__((packed)); -}; - -#define FP_DECL_D(X) _FP_DECL(2,X) -#define FP_UNPACK_RAW_D(X,val) _FP_UNPACK_RAW_2(D,X,val) -#define FP_PACK_RAW_D(val,X) _FP_PACK_RAW_2(D,val,X) - -#define FP_UNPACK_D(X,val) \ - do { \ - _FP_UNPACK_RAW_2(D,X,val); \ - _FP_UNPACK_CANONICAL(D,2,X); \ - } while (0) - -#define FP_PACK_D(val,X) \ - do { \ - _FP_PACK_CANONICAL(D,2,X); \ - _FP_PACK_RAW_2(D,val,X); \ - } while (0) - -#define FP_NEG_D(R,X) _FP_NEG(D,2,R,X) -#define FP_ADD_D(R,X,Y) _FP_ADD(D,2,R,X,Y) -#define FP_SUB_D(R,X,Y) _FP_SUB(D,2,R,X,Y) -#define FP_MUL_D(R,X,Y) _FP_MUL(D,2,R,X,Y) -#define FP_DIV_D(R,X,Y) _FP_DIV(D,2,R,X,Y) -#define FP_SQRT_D(R,X) _FP_SQRT(D,2,R,X) - -#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,2,r,X,Y,un) -#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,2,r,X,Y) - -#define FP_TO_INT_D(r,X,rsz,rsg) _FP_TO_INT(D,2,r,X,rsz,rsg) -#define FP_FROM_INT_D(X,r,rs,rt) _FP_FROM_INT(D,2,X,r,rs,rt) - -#else - -union _FP_UNION_D -{ - double flt; - struct { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned sign : 1; - unsigned exp : _FP_EXPBITS_D; - unsigned long frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0); -#else - unsigned long frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0); - unsigned exp : _FP_EXPBITS_D; - unsigned sign : 1; -#endif - } bits __attribute__((packed)); -}; - -#define FP_DECL_D(X) _FP_DECL(1,X) -#define FP_UNPACK_RAW_D(X,val) _FP_UNPACK_RAW_1(D,X,val) -#define FP_PACK_RAW_D(val,X) _FP_PACK_RAW_1(D,val,X) - -#define FP_UNPACK_D(X,val) \ - do { \ - _FP_UNPACK_RAW_1(D,X,val); \ - _FP_UNPACK_CANONICAL(D,1,X); \ - } while (0) - -#define FP_PACK_D(val,X) \ - do { \ - _FP_PACK_CANONICAL(D,1,X); \ - _FP_PACK_RAW_1(D,val,X); \ - } while (0) - -#define FP_NEG_D(R,X) _FP_NEG(D,1,R,X) -#define FP_ADD_D(R,X,Y) _FP_ADD(D,1,R,X,Y) -#define FP_SUB_D(R,X,Y) _FP_SUB(D,1,R,X,Y) -#define FP_MUL_D(R,X,Y) _FP_MUL(D,1,R,X,Y) -#define FP_DIV_D(R,X,Y) _FP_DIV(D,1,R,X,Y) -#define FP_SQRT_D(R,X) _FP_SQRT(D,1,R,X) - -/* The implementation of _FP_MUL_D and _FP_DIV_D should be chosen by - the target machine. */ - -#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,1,r,X,Y,un) -#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,1,r,X,Y) - -#define FP_TO_INT_D(r,X,rsz,rsg) _FP_TO_INT(D,1,r,X,rsz,rsg) -#define FP_FROM_INT_D(X,r,rs,rt) _FP_FROM_INT(D,1,X,r,rs,rt) - -#endif /* W_TYPE_SIZE < 64 */ diff --git a/arch/ppc/math-emu/fabs.c b/arch/ppc/math-emu/fabs.c deleted file mode 100644 index 41f0617f3d3a..000000000000 --- a/arch/ppc/math-emu/fabs.c +++ /dev/null @@ -1,18 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -int -fabs(u32 *frD, u32 *frB) -{ - frD[0] = frB[0] & 0x7fffffff; - frD[1] = frB[1]; - -#ifdef DEBUG - printk("%s: D %p, B %p: ", __FUNCTION__, frD, frB); - dump_double(frD); - printk("\n"); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/fadd.c b/arch/ppc/math-emu/fadd.c deleted file mode 100644 index fc8836488b64..000000000000 --- a/arch/ppc/math-emu/fadd.c +++ /dev/null @@ -1,38 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fadd(void *frD, void *frA, void *frB) -{ - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(R); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); -#endif - - if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - - FP_ADD_D(R, A, B); - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_D(frD, R)); -} diff --git a/arch/ppc/math-emu/fadds.c b/arch/ppc/math-emu/fadds.c deleted file mode 100644 index 93025b6c8f3c..000000000000 --- a/arch/ppc/math-emu/fadds.c +++ /dev/null @@ -1,39 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -int -fadds(void *frD, void *frA, void *frB) -{ - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(R); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); -#endif - - if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - - FP_ADD_D(R, A, B); - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_DS(frD, R)); -} diff --git a/arch/ppc/math-emu/fcmpo.c b/arch/ppc/math-emu/fcmpo.c deleted file mode 100644 index 4efac394b4cb..000000000000 --- a/arch/ppc/math-emu/fcmpo.c +++ /dev/null @@ -1,46 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fcmpo(u32 *ccr, int crfD, void *frA, void *frB) -{ - FP_DECL_D(A); - FP_DECL_D(B); - int code[4] = { (1 << 3), (1 << 1), (1 << 2), (1 << 0) }; - long cmp; - int ret = 0; - -#ifdef DEBUG - printk("%s: %p (%08x) %d %p %p\n", __FUNCTION__, ccr, *ccr, crfD, frA, frB); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); -#endif - - if (A_c == FP_CLS_NAN || B_c == FP_CLS_NAN) - ret |= EFLAG_VXVC; - - FP_CMP_D(cmp, A, B, 2); - cmp = code[(cmp + 1) & 3]; - - __FPU_FPSCR &= ~(0x1f000); - __FPU_FPSCR |= (cmp << 12); - - *ccr &= ~(15 << ((7 - crfD) << 2)); - *ccr |= (cmp << ((7 - crfD) << 2)); - -#ifdef DEBUG - printk("CR: %08x\n", *ccr); -#endif - - return ret; -} diff --git a/arch/ppc/math-emu/fcmpu.c b/arch/ppc/math-emu/fcmpu.c deleted file mode 100644 index b7e33176e618..000000000000 --- a/arch/ppc/math-emu/fcmpu.c +++ /dev/null @@ -1,42 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fcmpu(u32 *ccr, int crfD, void *frA, void *frB) -{ - FP_DECL_D(A); - FP_DECL_D(B); - int code[4] = { (1 << 3), (1 << 1), (1 << 2), (1 << 0) }; - long cmp; - -#ifdef DEBUG - printk("%s: %p (%08x) %d %p %p\n", __FUNCTION__, ccr, *ccr, crfD, frA, frB); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); -#endif - - FP_CMP_D(cmp, A, B, 2); - cmp = code[(cmp + 1) & 3]; - - __FPU_FPSCR &= ~(0x1f000); - __FPU_FPSCR |= (cmp << 12); - - *ccr &= ~(15 << ((7 - crfD) << 2)); - *ccr |= (cmp << ((7 - crfD) << 2)); - -#ifdef DEBUG - printk("CR: %08x\n", *ccr); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/fctiw.c b/arch/ppc/math-emu/fctiw.c deleted file mode 100644 index 3b3c98b840cf..000000000000 --- a/arch/ppc/math-emu/fctiw.c +++ /dev/null @@ -1,25 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fctiw(u32 *frD, void *frB) -{ - FP_DECL_D(B); - unsigned int r; - - __FP_UNPACK_D(B, frB); - FP_TO_INT_D(r, B, 32, 1); - frD[1] = r; - -#ifdef DEBUG - printk("%s: D %p, B %p: ", __FUNCTION__, frD, frB); - dump_double(frD); - printk("\n"); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/fctiwz.c b/arch/ppc/math-emu/fctiwz.c deleted file mode 100644 index 7717eb6fcfb6..000000000000 --- a/arch/ppc/math-emu/fctiwz.c +++ /dev/null @@ -1,32 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fctiwz(u32 *frD, void *frB) -{ - FP_DECL_D(B); - u32 fpscr; - unsigned int r; - - fpscr = __FPU_FPSCR; - __FPU_FPSCR &= ~(3); - __FPU_FPSCR |= FP_RND_ZERO; - - __FP_UNPACK_D(B, frB); - FP_TO_INT_D(r, B, 32, 1); - frD[1] = r; - - __FPU_FPSCR = fpscr; - -#ifdef DEBUG - printk("%s: D %p, B %p: ", __FUNCTION__, frD, frB); - dump_double(frD); - printk("\n"); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/fdiv.c b/arch/ppc/math-emu/fdiv.c deleted file mode 100644 index f2fba825b2d0..000000000000 --- a/arch/ppc/math-emu/fdiv.c +++ /dev/null @@ -1,53 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fdiv(void *frD, void *frA, void *frB) -{ - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(R); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); -#endif - - if (A_c == FP_CLS_ZERO && B_c == FP_CLS_ZERO) { - ret |= EFLAG_VXZDZ; -#ifdef DEBUG - printk("%s: FPSCR_VXZDZ raised\n", __FUNCTION__); -#endif - } - if (A_c == FP_CLS_INF && B_c == FP_CLS_INF) { - ret |= EFLAG_VXIDI; -#ifdef DEBUG - printk("%s: FPSCR_VXIDI raised\n", __FUNCTION__); -#endif - } - - if (B_c == FP_CLS_ZERO && A_c != FP_CLS_ZERO) { - ret |= EFLAG_DIVZERO; - if (__FPU_TRAP_P(EFLAG_DIVZERO)) - return ret; - } - FP_DIV_D(R, A, B); - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_D(frD, R)); -} diff --git a/arch/ppc/math-emu/fdivs.c b/arch/ppc/math-emu/fdivs.c deleted file mode 100644 index b971196e3175..000000000000 --- a/arch/ppc/math-emu/fdivs.c +++ /dev/null @@ -1,55 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -int -fdivs(void *frD, void *frA, void *frB) -{ - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(R); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); -#endif - - if (A_c == FP_CLS_ZERO && B_c == FP_CLS_ZERO) { - ret |= EFLAG_VXZDZ; -#ifdef DEBUG - printk("%s: FPSCR_VXZDZ raised\n", __FUNCTION__); -#endif - } - if (A_c == FP_CLS_INF && B_c == FP_CLS_INF) { - ret |= EFLAG_VXIDI; -#ifdef DEBUG - printk("%s: FPSCR_VXIDI raised\n", __FUNCTION__); -#endif - } - - if (B_c == FP_CLS_ZERO && A_c != FP_CLS_ZERO) { - ret |= EFLAG_DIVZERO; - if (__FPU_TRAP_P(EFLAG_DIVZERO)) - return ret; - } - - FP_DIV_D(R, A, B); - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_DS(frD, R)); -} diff --git a/arch/ppc/math-emu/fmadd.c b/arch/ppc/math-emu/fmadd.c deleted file mode 100644 index 0a1dbce793e9..000000000000 --- a/arch/ppc/math-emu/fmadd.c +++ /dev/null @@ -1,48 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fmadd(void *frD, void *frA, void *frB, void *frC) -{ - FP_DECL_D(R); - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(C); - FP_DECL_D(T); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); - printk("C: %ld %lu %lu %ld (%ld)\n", C_s, C_f1, C_f0, C_e, C_c); -#endif - - if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) || - (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF)) - ret |= EFLAG_VXIMZ; - - FP_MUL_D(T, A, C); - - if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - - FP_ADD_D(R, T, B); - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_D(frD, R)); -} diff --git a/arch/ppc/math-emu/fmadds.c b/arch/ppc/math-emu/fmadds.c deleted file mode 100644 index 0f70bba9445e..000000000000 --- a/arch/ppc/math-emu/fmadds.c +++ /dev/null @@ -1,49 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -int -fmadds(void *frD, void *frA, void *frB, void *frC) -{ - FP_DECL_D(R); - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(C); - FP_DECL_D(T); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); - printk("C: %ld %lu %lu %ld (%ld)\n", C_s, C_f1, C_f0, C_e, C_c); -#endif - - if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) || - (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF)) - ret |= EFLAG_VXIMZ; - - FP_MUL_D(T, A, C); - - if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - - FP_ADD_D(R, T, B); - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_DS(frD, R)); -} diff --git a/arch/ppc/math-emu/fmr.c b/arch/ppc/math-emu/fmr.c deleted file mode 100644 index 28df700c0c7e..000000000000 --- a/arch/ppc/math-emu/fmr.c +++ /dev/null @@ -1,18 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -int -fmr(u32 *frD, u32 *frB) -{ - frD[0] = frB[0]; - frD[1] = frB[1]; - -#ifdef DEBUG - printk("%s: D %p, B %p: ", __FUNCTION__, frD, frB); - dump_double(frD); - printk("\n"); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/fmsub.c b/arch/ppc/math-emu/fmsub.c deleted file mode 100644 index 203fd48a6fec..000000000000 --- a/arch/ppc/math-emu/fmsub.c +++ /dev/null @@ -1,51 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fmsub(void *frD, void *frA, void *frB, void *frC) -{ - FP_DECL_D(R); - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(C); - FP_DECL_D(T); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); - printk("C: %ld %lu %lu %ld (%ld)\n", C_s, C_f1, C_f0, C_e, C_c); -#endif - - if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) || - (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF)) - ret |= EFLAG_VXIMZ; - - FP_MUL_D(T, A, C); - - if (B_c != FP_CLS_NAN) - B_s ^= 1; - - if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - - FP_ADD_D(R, T, B); - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_D(frD, R)); -} diff --git a/arch/ppc/math-emu/fmsubs.c b/arch/ppc/math-emu/fmsubs.c deleted file mode 100644 index 8ce68624c189..000000000000 --- a/arch/ppc/math-emu/fmsubs.c +++ /dev/null @@ -1,52 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -int -fmsubs(void *frD, void *frA, void *frB, void *frC) -{ - FP_DECL_D(R); - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(C); - FP_DECL_D(T); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); - printk("C: %ld %lu %lu %ld (%ld)\n", C_s, C_f1, C_f0, C_e, C_c); -#endif - - if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) || - (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF)) - ret |= EFLAG_VXIMZ; - - FP_MUL_D(T, A, C); - - if (B_c != FP_CLS_NAN) - B_s ^= 1; - - if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - - FP_ADD_D(R, T, B); - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_DS(frD, R)); -} diff --git a/arch/ppc/math-emu/fmul.c b/arch/ppc/math-emu/fmul.c deleted file mode 100644 index 66c7e79aae2e..000000000000 --- a/arch/ppc/math-emu/fmul.c +++ /dev/null @@ -1,42 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fmul(void *frD, void *frA, void *frB) -{ - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(R); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", - A_s, A_f1, A_f0, A_e, A_c, A_f1, A_f0, A_e + 1023); - printk("B: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", - B_s, B_f1, B_f0, B_e, B_c, B_f1, B_f0, B_e + 1023); -#endif - - if ((A_c == FP_CLS_INF && B_c == FP_CLS_ZERO) || - (A_c == FP_CLS_ZERO && B_c == FP_CLS_INF)) - ret |= EFLAG_VXIMZ; - - FP_MUL_D(R, A, B); - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", - R_s, R_f1, R_f0, R_e, R_c, R_f1, R_f0, R_e + 1023); -#endif - - return (ret | __FP_PACK_D(frD, R)); -} diff --git a/arch/ppc/math-emu/fmuls.c b/arch/ppc/math-emu/fmuls.c deleted file mode 100644 index 26bc4278271c..000000000000 --- a/arch/ppc/math-emu/fmuls.c +++ /dev/null @@ -1,43 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -int -fmuls(void *frD, void *frA, void *frB) -{ - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(R); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", - A_s, A_f1, A_f0, A_e, A_c, A_f1, A_f0, A_e + 1023); - printk("B: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", - B_s, B_f1, B_f0, B_e, B_c, B_f1, B_f0, B_e + 1023); -#endif - - if ((A_c == FP_CLS_INF && B_c == FP_CLS_ZERO) || - (A_c == FP_CLS_ZERO && B_c == FP_CLS_INF)) - ret |= EFLAG_VXIMZ; - - FP_MUL_D(R, A, B); - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", - R_s, R_f1, R_f0, R_e, R_c, R_f1, R_f0, R_e + 1023); -#endif - - return (ret | __FP_PACK_DS(frD, R)); -} diff --git a/arch/ppc/math-emu/fnabs.c b/arch/ppc/math-emu/fnabs.c deleted file mode 100644 index c6b913d179e0..000000000000 --- a/arch/ppc/math-emu/fnabs.c +++ /dev/null @@ -1,18 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -int -fnabs(u32 *frD, u32 *frB) -{ - frD[0] = frB[0] | 0x80000000; - frD[1] = frB[1]; - -#ifdef DEBUG - printk("%s: D %p, B %p: ", __FUNCTION__, frD, frB); - dump_double(frD); - printk("\n"); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/fneg.c b/arch/ppc/math-emu/fneg.c deleted file mode 100644 index fe9a98deff69..000000000000 --- a/arch/ppc/math-emu/fneg.c +++ /dev/null @@ -1,18 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -int -fneg(u32 *frD, u32 *frB) -{ - frD[0] = frB[0] ^ 0x80000000; - frD[1] = frB[1]; - -#ifdef DEBUG - printk("%s: D %p, B %p: ", __FUNCTION__, frD, frB); - dump_double(frD); - printk("\n"); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/fnmadd.c b/arch/ppc/math-emu/fnmadd.c deleted file mode 100644 index 7f312276d920..000000000000 --- a/arch/ppc/math-emu/fnmadd.c +++ /dev/null @@ -1,51 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fnmadd(void *frD, void *frA, void *frB, void *frC) -{ - FP_DECL_D(R); - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(C); - FP_DECL_D(T); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); - printk("C: %ld %lu %lu %ld (%ld)\n", C_s, C_f1, C_f0, C_e, C_c); -#endif - - if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) || - (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF)) - ret |= EFLAG_VXIMZ; - - FP_MUL_D(T, A, C); - - if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - - FP_ADD_D(R, T, B); - - if (R_c != FP_CLS_NAN) - R_s ^= 1; - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_D(frD, R)); -} diff --git a/arch/ppc/math-emu/fnmadds.c b/arch/ppc/math-emu/fnmadds.c deleted file mode 100644 index 65454c9c70bc..000000000000 --- a/arch/ppc/math-emu/fnmadds.c +++ /dev/null @@ -1,52 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -int -fnmadds(void *frD, void *frA, void *frB, void *frC) -{ - FP_DECL_D(R); - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(C); - FP_DECL_D(T); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); - printk("C: %ld %lu %lu %ld (%ld)\n", C_s, C_f1, C_f0, C_e, C_c); -#endif - - if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) || - (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF)) - ret |= EFLAG_VXIMZ; - - FP_MUL_D(T, A, C); - - if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - - FP_ADD_D(R, T, B); - - if (R_c != FP_CLS_NAN) - R_s ^= 1; - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_DS(frD, R)); -} diff --git a/arch/ppc/math-emu/fnmsub.c b/arch/ppc/math-emu/fnmsub.c deleted file mode 100644 index f1ca7482b5f0..000000000000 --- a/arch/ppc/math-emu/fnmsub.c +++ /dev/null @@ -1,54 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fnmsub(void *frD, void *frA, void *frB, void *frC) -{ - FP_DECL_D(R); - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(C); - FP_DECL_D(T); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); - printk("C: %ld %lu %lu %ld (%ld)\n", C_s, C_f1, C_f0, C_e, C_c); -#endif - - if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) || - (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF)) - ret |= EFLAG_VXIMZ; - - FP_MUL_D(T, A, C); - - if (B_c != FP_CLS_NAN) - B_s ^= 1; - - if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - - FP_ADD_D(R, T, B); - - if (R_c != FP_CLS_NAN) - R_s ^= 1; - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_D(frD, R)); -} diff --git a/arch/ppc/math-emu/fnmsubs.c b/arch/ppc/math-emu/fnmsubs.c deleted file mode 100644 index 5c9a09a87dc7..000000000000 --- a/arch/ppc/math-emu/fnmsubs.c +++ /dev/null @@ -1,55 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -int -fnmsubs(void *frD, void *frA, void *frB, void *frC) -{ - FP_DECL_D(R); - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(C); - FP_DECL_D(T); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); - printk("C: %ld %lu %lu %ld (%ld)\n", C_s, C_f1, C_f0, C_e, C_c); -#endif - - if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) || - (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF)) - ret |= EFLAG_VXIMZ; - - FP_MUL_D(T, A, C); - - if (B_c != FP_CLS_NAN) - B_s ^= 1; - - if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - - FP_ADD_D(R, T, B); - - if (R_c != FP_CLS_NAN) - R_s ^= 1; - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_DS(frD, R)); -} diff --git a/arch/ppc/math-emu/fres.c b/arch/ppc/math-emu/fres.c deleted file mode 100644 index ec11e46d20af..000000000000 --- a/arch/ppc/math-emu/fres.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -int -fres(void *frD, void *frB) -{ -#ifdef DEBUG - printk("%s: %p %p\n", __FUNCTION__, frD, frB); -#endif - return -ENOSYS; -} diff --git a/arch/ppc/math-emu/frsp.c b/arch/ppc/math-emu/frsp.c deleted file mode 100644 index d879b2a3d0c9..000000000000 --- a/arch/ppc/math-emu/frsp.c +++ /dev/null @@ -1,25 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -int -frsp(void *frD, void *frB) -{ - FP_DECL_D(B); - -#ifdef DEBUG - printk("%s: D %p, B %p\n", __FUNCTION__, frD, frB); -#endif - - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); -#endif - - return __FP_PACK_DS(frD, B); -} diff --git a/arch/ppc/math-emu/frsqrte.c b/arch/ppc/math-emu/frsqrte.c deleted file mode 100644 index a11ae1829850..000000000000 --- a/arch/ppc/math-emu/frsqrte.c +++ /dev/null @@ -1,12 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -int -frsqrte(void *frD, void *frB) -{ -#ifdef DEBUG - printk("%s: %p %p\n", __FUNCTION__, frD, frB); -#endif - return 0; -} diff --git a/arch/ppc/math-emu/fsel.c b/arch/ppc/math-emu/fsel.c deleted file mode 100644 index e36e6e72819a..000000000000 --- a/arch/ppc/math-emu/fsel.c +++ /dev/null @@ -1,38 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fsel(u32 *frD, void *frA, u32 *frB, u32 *frC) -{ - FP_DECL_D(A); - -#ifdef DEBUG - printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC); -#endif - - __FP_UNPACK_D(A, frA); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %08x %08x\n", frB[0], frB[1]); - printk("C: %08x %08x\n", frC[0], frC[1]); -#endif - - if (A_c == FP_CLS_NAN || (A_c != FP_CLS_ZERO && A_s)) { - frD[0] = frB[0]; - frD[1] = frB[1]; - } else { - frD[0] = frC[0]; - frD[1] = frC[1]; - } - -#ifdef DEBUG - printk("D: %08x.%08x\n", frD[0], frD[1]); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/fsqrt.c b/arch/ppc/math-emu/fsqrt.c deleted file mode 100644 index 6f8319f64a8a..000000000000 --- a/arch/ppc/math-emu/fsqrt.c +++ /dev/null @@ -1,37 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fsqrt(void *frD, void *frB) -{ - FP_DECL_D(B); - FP_DECL_D(R); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frB); -#endif - - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); -#endif - - if (B_s && B_c != FP_CLS_ZERO) - ret |= EFLAG_VXSQRT; - if (B_c == FP_CLS_NAN) - ret |= EFLAG_VXSNAN; - - FP_SQRT_D(R, B); - -#ifdef DEBUG - printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_D(frD, R)); -} diff --git a/arch/ppc/math-emu/fsqrts.c b/arch/ppc/math-emu/fsqrts.c deleted file mode 100644 index 3b2b1cf55c12..000000000000 --- a/arch/ppc/math-emu/fsqrts.c +++ /dev/null @@ -1,38 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -int -fsqrts(void *frD, void *frB) -{ - FP_DECL_D(B); - FP_DECL_D(R); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frB); -#endif - - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); -#endif - - if (B_s && B_c != FP_CLS_ZERO) - ret |= EFLAG_VXSQRT; - if (B_c == FP_CLS_NAN) - ret |= EFLAG_VXSNAN; - - FP_SQRT_D(R, B); - -#ifdef DEBUG - printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_DS(frD, R)); -} diff --git a/arch/ppc/math-emu/fsub.c b/arch/ppc/math-emu/fsub.c deleted file mode 100644 index 956679042bb2..000000000000 --- a/arch/ppc/math-emu/fsub.c +++ /dev/null @@ -1,41 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" - -int -fsub(void *frD, void *frA, void *frB) -{ - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(R); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); -#endif - - if (B_c != FP_CLS_NAN) - B_s ^= 1; - - if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - - FP_ADD_D(R, A, B); - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_D(frD, R)); -} diff --git a/arch/ppc/math-emu/fsubs.c b/arch/ppc/math-emu/fsubs.c deleted file mode 100644 index 3428117dfe8c..000000000000 --- a/arch/ppc/math-emu/fsubs.c +++ /dev/null @@ -1,42 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -int -fsubs(void *frD, void *frA, void *frB) -{ - FP_DECL_D(A); - FP_DECL_D(B); - FP_DECL_D(R); - int ret = 0; - -#ifdef DEBUG - printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB); -#endif - - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); - printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); -#endif - - if (B_c != FP_CLS_NAN) - B_s ^= 1; - - if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - - FP_ADD_D(R, A, B); - -#ifdef DEBUG - printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return (ret | __FP_PACK_DS(frD, R)); -} diff --git a/arch/ppc/math-emu/lfd.c b/arch/ppc/math-emu/lfd.c deleted file mode 100644 index 7d38101c329b..000000000000 --- a/arch/ppc/math-emu/lfd.c +++ /dev/null @@ -1,19 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "sfp-machine.h" -#include "double.h" - -int -lfd(void *frD, void *ea) -{ - if (copy_from_user(frD, ea, sizeof(double))) - return -EFAULT; -#ifdef DEBUG - printk("%s: D %p, ea %p: ", __FUNCTION__, frD, ea); - dump_double(frD); - printk("\n"); -#endif - return 0; -} diff --git a/arch/ppc/math-emu/lfs.c b/arch/ppc/math-emu/lfs.c deleted file mode 100644 index c86dee3d7655..000000000000 --- a/arch/ppc/math-emu/lfs.c +++ /dev/null @@ -1,37 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -int -lfs(void *frD, void *ea) -{ - FP_DECL_D(R); - FP_DECL_S(A); - float f; - -#ifdef DEBUG - printk("%s: D %p, ea %p\n", __FUNCTION__, frD, ea); -#endif - - if (copy_from_user(&f, ea, sizeof(float))) - return -EFAULT; - - __FP_UNPACK_S(A, &f); - -#ifdef DEBUG - printk("A: %ld %lu %ld (%ld) [%08lx]\n", A_s, A_f, A_e, A_c, - *(unsigned long *)&f); -#endif - - FP_CONV(D, S, 2, 1, R, A); - -#ifdef DEBUG - printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); -#endif - - return __FP_PACK_D(frD, R); -} diff --git a/arch/ppc/math-emu/math.c b/arch/ppc/math-emu/math.c deleted file mode 100644 index 589153472761..000000000000 --- a/arch/ppc/math-emu/math.c +++ /dev/null @@ -1,483 +0,0 @@ -/* - * Copyright (C) 1999 Eddie C. Dost (ecd@atecom.com) - */ - -#include <linux/config.h> -#include <linux/types.h> -#include <linux/sched.h> - -#include <asm/uaccess.h> -#include <asm/reg.h> - -#include "sfp-machine.h" -#include "double.h" - -#define FLOATFUNC(x) extern int x(void *, void *, void *, void *) - -FLOATFUNC(fadd); -FLOATFUNC(fadds); -FLOATFUNC(fdiv); -FLOATFUNC(fdivs); -FLOATFUNC(fmul); -FLOATFUNC(fmuls); -FLOATFUNC(fsub); -FLOATFUNC(fsubs); - -FLOATFUNC(fmadd); -FLOATFUNC(fmadds); -FLOATFUNC(fmsub); -FLOATFUNC(fmsubs); -FLOATFUNC(fnmadd); -FLOATFUNC(fnmadds); -FLOATFUNC(fnmsub); -FLOATFUNC(fnmsubs); - -FLOATFUNC(fctiw); -FLOATFUNC(fctiwz); -FLOATFUNC(frsp); - -FLOATFUNC(fcmpo); -FLOATFUNC(fcmpu); - -FLOATFUNC(mcrfs); -FLOATFUNC(mffs); -FLOATFUNC(mtfsb0); -FLOATFUNC(mtfsb1); -FLOATFUNC(mtfsf); -FLOATFUNC(mtfsfi); - -FLOATFUNC(lfd); -FLOATFUNC(lfs); - -FLOATFUNC(stfd); -FLOATFUNC(stfs); -FLOATFUNC(stfiwx); - -FLOATFUNC(fabs); -FLOATFUNC(fmr); -FLOATFUNC(fnabs); -FLOATFUNC(fneg); - -/* Optional */ -FLOATFUNC(fres); -FLOATFUNC(frsqrte); -FLOATFUNC(fsel); -FLOATFUNC(fsqrt); -FLOATFUNC(fsqrts); - - -#define OP31 0x1f /* 31 */ -#define LFS 0x30 /* 48 */ -#define LFSU 0x31 /* 49 */ -#define LFD 0x32 /* 50 */ -#define LFDU 0x33 /* 51 */ -#define STFS 0x34 /* 52 */ -#define STFSU 0x35 /* 53 */ -#define STFD 0x36 /* 54 */ -#define STFDU 0x37 /* 55 */ -#define OP59 0x3b /* 59 */ -#define OP63 0x3f /* 63 */ - -/* Opcode 31: */ -/* X-Form: */ -#define LFSX 0x217 /* 535 */ -#define LFSUX 0x237 /* 567 */ -#define LFDX 0x257 /* 599 */ -#define LFDUX 0x277 /* 631 */ -#define STFSX 0x297 /* 663 */ -#define STFSUX 0x2b7 /* 695 */ -#define STFDX 0x2d7 /* 727 */ -#define STFDUX 0x2f7 /* 759 */ -#define STFIWX 0x3d7 /* 983 */ - -/* Opcode 59: */ -/* A-Form: */ -#define FDIVS 0x012 /* 18 */ -#define FSUBS 0x014 /* 20 */ -#define FADDS 0x015 /* 21 */ -#define FSQRTS 0x016 /* 22 */ -#define FRES 0x018 /* 24 */ -#define FMULS 0x019 /* 25 */ -#define FMSUBS 0x01c /* 28 */ -#define FMADDS 0x01d /* 29 */ -#define FNMSUBS 0x01e /* 30 */ -#define FNMADDS 0x01f /* 31 */ - -/* Opcode 63: */ -/* A-Form: */ -#define FDIV 0x012 /* 18 */ -#define FSUB 0x014 /* 20 */ -#define FADD 0x015 /* 21 */ -#define FSQRT 0x016 /* 22 */ -#define FSEL 0x017 /* 23 */ -#define FMUL 0x019 /* 25 */ -#define FRSQRTE 0x01a /* 26 */ -#define FMSUB 0x01c /* 28 */ -#define FMADD 0x01d /* 29 */ -#define FNMSUB 0x01e /* 30 */ -#define FNMADD 0x01f /* 31 */ - -/* X-Form: */ -#define FCMPU 0x000 /* 0 */ -#define FRSP 0x00c /* 12 */ -#define FCTIW 0x00e /* 14 */ -#define FCTIWZ 0x00f /* 15 */ -#define FCMPO 0x020 /* 32 */ -#define MTFSB1 0x026 /* 38 */ -#define FNEG 0x028 /* 40 */ -#define MCRFS 0x040 /* 64 */ -#define MTFSB0 0x046 /* 70 */ -#define FMR 0x048 /* 72 */ -#define MTFSFI 0x086 /* 134 */ -#define FNABS 0x088 /* 136 */ -#define FABS 0x108 /* 264 */ -#define MFFS 0x247 /* 583 */ -#define MTFSF 0x2c7 /* 711 */ - - -#define AB 2 -#define AC 3 -#define ABC 4 -#define D 5 -#define DU 6 -#define X 7 -#define XA 8 -#define XB 9 -#define XCR 11 -#define XCRB 12 -#define XCRI 13 -#define XCRL 16 -#define XE 14 -#define XEU 15 -#define XFLB 10 - -#ifdef CONFIG_MATH_EMULATION -static int -record_exception(struct pt_regs *regs, int eflag) -{ - u32 fpscr; - - fpscr = __FPU_FPSCR; - - if (eflag) { - fpscr |= FPSCR_FX; - if (eflag & EFLAG_OVERFLOW) - fpscr |= FPSCR_OX; - if (eflag & EFLAG_UNDERFLOW) - fpscr |= FPSCR_UX; - if (eflag & EFLAG_DIVZERO) - fpscr |= FPSCR_ZX; - if (eflag & EFLAG_INEXACT) - fpscr |= FPSCR_XX; - if (eflag & EFLAG_VXSNAN) - fpscr |= FPSCR_VXSNAN; - if (eflag & EFLAG_VXISI) - fpscr |= FPSCR_VXISI; - if (eflag & EFLAG_VXIDI) - fpscr |= FPSCR_VXIDI; - if (eflag & EFLAG_VXZDZ) - fpscr |= FPSCR_VXZDZ; - if (eflag & EFLAG_VXIMZ) - fpscr |= FPSCR_VXIMZ; - if (eflag & EFLAG_VXVC) - fpscr |= FPSCR_VXVC; - if (eflag & EFLAG_VXSOFT) - fpscr |= FPSCR_VXSOFT; - if (eflag & EFLAG_VXSQRT) - fpscr |= FPSCR_VXSQRT; - if (eflag & EFLAG_VXCVI) - fpscr |= FPSCR_VXCVI; - } - - fpscr &= ~(FPSCR_VX); - if (fpscr & (FPSCR_VXSNAN | FPSCR_VXISI | FPSCR_VXIDI | - FPSCR_VXZDZ | FPSCR_VXIMZ | FPSCR_VXVC | - FPSCR_VXSOFT | FPSCR_VXSQRT | FPSCR_VXCVI)) - fpscr |= FPSCR_VX; - - fpscr &= ~(FPSCR_FEX); - if (((fpscr & FPSCR_VX) && (fpscr & FPSCR_VE)) || - ((fpscr & FPSCR_OX) && (fpscr & FPSCR_OE)) || - ((fpscr & FPSCR_UX) && (fpscr & FPSCR_UE)) || - ((fpscr & FPSCR_ZX) && (fpscr & FPSCR_ZE)) || - ((fpscr & FPSCR_XX) && (fpscr & FPSCR_XE))) - fpscr |= FPSCR_FEX; - - __FPU_FPSCR = fpscr; - - return (fpscr & FPSCR_FEX) ? 1 : 0; -} -#endif /* CONFIG_MATH_EMULATION */ - -int -do_mathemu(struct pt_regs *regs) -{ - void *op0 = 0, *op1 = 0, *op2 = 0, *op3 = 0; - unsigned long pc = regs->nip; - signed short sdisp; - u32 insn = 0; - int idx = 0; -#ifdef CONFIG_MATH_EMULATION - int (*func)(void *, void *, void *, void *); - int type = 0; - int eflag, trap; -#endif - - if (get_user(insn, (u32 *)pc)) - return -EFAULT; - -#ifndef CONFIG_MATH_EMULATION - switch (insn >> 26) { - case LFD: - idx = (insn >> 16) & 0x1f; - sdisp = (insn & 0xffff); - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)((idx ? regs->gpr[idx] : 0) + sdisp); - lfd(op0, op1, op2, op3); - break; - case LFDU: - idx = (insn >> 16) & 0x1f; - sdisp = (insn & 0xffff); - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)((idx ? regs->gpr[idx] : 0) + sdisp); - lfd(op0, op1, op2, op3); - regs->gpr[idx] = (unsigned long)op1; - break; - case STFD: - idx = (insn >> 16) & 0x1f; - sdisp = (insn & 0xffff); - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)((idx ? regs->gpr[idx] : 0) + sdisp); - stfd(op0, op1, op2, op3); - break; - case STFDU: - idx = (insn >> 16) & 0x1f; - sdisp = (insn & 0xffff); - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)((idx ? regs->gpr[idx] : 0) + sdisp); - stfd(op0, op1, op2, op3); - regs->gpr[idx] = (unsigned long)op1; - break; - case OP63: - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)¤t->thread.fpr[(insn >> 11) & 0x1f]; - fmr(op0, op1, op2, op3); - break; - default: - goto illegal; - } -#else /* CONFIG_MATH_EMULATION */ - switch (insn >> 26) { - case LFS: func = lfs; type = D; break; - case LFSU: func = lfs; type = DU; break; - case LFD: func = lfd; type = D; break; - case LFDU: func = lfd; type = DU; break; - case STFS: func = stfs; type = D; break; - case STFSU: func = stfs; type = DU; break; - case STFD: func = stfd; type = D; break; - case STFDU: func = stfd; type = DU; break; - - case OP31: - switch ((insn >> 1) & 0x3ff) { - case LFSX: func = lfs; type = XE; break; - case LFSUX: func = lfs; type = XEU; break; - case LFDX: func = lfd; type = XE; break; - case LFDUX: func = lfd; type = XEU; break; - case STFSX: func = stfs; type = XE; break; - case STFSUX: func = stfs; type = XEU; break; - case STFDX: func = stfd; type = XE; break; - case STFDUX: func = stfd; type = XEU; break; - case STFIWX: func = stfiwx; type = XE; break; - default: - goto illegal; - } - break; - - case OP59: - switch ((insn >> 1) & 0x1f) { - case FDIVS: func = fdivs; type = AB; break; - case FSUBS: func = fsubs; type = AB; break; - case FADDS: func = fadds; type = AB; break; - case FSQRTS: func = fsqrts; type = AB; break; - case FRES: func = fres; type = AB; break; - case FMULS: func = fmuls; type = AC; break; - case FMSUBS: func = fmsubs; type = ABC; break; - case FMADDS: func = fmadds; type = ABC; break; - case FNMSUBS: func = fnmsubs; type = ABC; break; - case FNMADDS: func = fnmadds; type = ABC; break; - default: - goto illegal; - } - break; - - case OP63: - if (insn & 0x20) { - switch ((insn >> 1) & 0x1f) { - case FDIV: func = fdiv; type = AB; break; - case FSUB: func = fsub; type = AB; break; - case FADD: func = fadd; type = AB; break; - case FSQRT: func = fsqrt; type = AB; break; - case FSEL: func = fsel; type = ABC; break; - case FMUL: func = fmul; type = AC; break; - case FRSQRTE: func = frsqrte; type = AB; break; - case FMSUB: func = fmsub; type = ABC; break; - case FMADD: func = fmadd; type = ABC; break; - case FNMSUB: func = fnmsub; type = ABC; break; - case FNMADD: func = fnmadd; type = ABC; break; - default: - goto illegal; - } - break; - } - - switch ((insn >> 1) & 0x3ff) { - case FCMPU: func = fcmpu; type = XCR; break; - case FRSP: func = frsp; type = XB; break; - case FCTIW: func = fctiw; type = XB; break; - case FCTIWZ: func = fctiwz; type = XB; break; - case FCMPO: func = fcmpo; type = XCR; break; - case MTFSB1: func = mtfsb1; type = XCRB; break; - case FNEG: func = fneg; type = XB; break; - case MCRFS: func = mcrfs; type = XCRL; break; - case MTFSB0: func = mtfsb0; type = XCRB; break; - case FMR: func = fmr; type = XB; break; - case MTFSFI: func = mtfsfi; type = XCRI; break; - case FNABS: func = fnabs; type = XB; break; - case FABS: func = fabs; type = XB; break; - case MFFS: func = mffs; type = X; break; - case MTFSF: func = mtfsf; type = XFLB; break; - default: - goto illegal; - } - break; - - default: - goto illegal; - } - - switch (type) { - case AB: - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)¤t->thread.fpr[(insn >> 16) & 0x1f]; - op2 = (void *)¤t->thread.fpr[(insn >> 11) & 0x1f]; - break; - - case AC: - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)¤t->thread.fpr[(insn >> 16) & 0x1f]; - op2 = (void *)¤t->thread.fpr[(insn >> 6) & 0x1f]; - break; - - case ABC: - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)¤t->thread.fpr[(insn >> 16) & 0x1f]; - op2 = (void *)¤t->thread.fpr[(insn >> 11) & 0x1f]; - op3 = (void *)¤t->thread.fpr[(insn >> 6) & 0x1f]; - break; - - case D: - idx = (insn >> 16) & 0x1f; - sdisp = (insn & 0xffff); - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)((idx ? regs->gpr[idx] : 0) + sdisp); - break; - - case DU: - idx = (insn >> 16) & 0x1f; - if (!idx) - goto illegal; - - sdisp = (insn & 0xffff); - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)(regs->gpr[idx] + sdisp); - break; - - case X: - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - break; - - case XA: - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)¤t->thread.fpr[(insn >> 16) & 0x1f]; - break; - - case XB: - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)¤t->thread.fpr[(insn >> 11) & 0x1f]; - break; - - case XE: - idx = (insn >> 16) & 0x1f; - if (!idx) - goto illegal; - - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)(regs->gpr[idx] + regs->gpr[(insn >> 11) & 0x1f]); - break; - - case XEU: - idx = (insn >> 16) & 0x1f; - op0 = (void *)¤t->thread.fpr[(insn >> 21) & 0x1f]; - op1 = (void *)((idx ? regs->gpr[idx] : 0) - + regs->gpr[(insn >> 11) & 0x1f]); - break; - - case XCR: - op0 = (void *)®s->ccr; - op1 = (void *)((insn >> 23) & 0x7); - op2 = (void *)¤t->thread.fpr[(insn >> 16) & 0x1f]; - op3 = (void *)¤t->thread.fpr[(insn >> 11) & 0x1f]; - break; - - case XCRL: - op0 = (void *)®s->ccr; - op1 = (void *)((insn >> 23) & 0x7); - op2 = (void *)((insn >> 18) & 0x7); - break; - - case XCRB: - op0 = (void *)((insn >> 21) & 0x1f); - break; - - case XCRI: - op0 = (void *)((insn >> 23) & 0x7); - op1 = (void *)((insn >> 12) & 0xf); - break; - - case XFLB: - op0 = (void *)((insn >> 17) & 0xff); - op1 = (void *)¤t->thread.fpr[(insn >> 11) & 0x1f]; - break; - - default: - goto illegal; - } - - eflag = func(op0, op1, op2, op3); - - if (insn & 1) { - regs->ccr &= ~(0x0f000000); - regs->ccr |= (__FPU_FPSCR >> 4) & 0x0f000000; - } - - trap = record_exception(regs, eflag); - if (trap) - return 1; - - switch (type) { - case DU: - case XEU: - regs->gpr[idx] = (unsigned long)op1; - break; - - default: - break; - } -#endif /* CONFIG_MATH_EMULATION */ - - regs->nip += 4; - return 0; - -illegal: - return -ENOSYS; -} diff --git a/arch/ppc/math-emu/mcrfs.c b/arch/ppc/math-emu/mcrfs.c deleted file mode 100644 index 106dd912914b..000000000000 --- a/arch/ppc/math-emu/mcrfs.c +++ /dev/null @@ -1,31 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" - -int -mcrfs(u32 *ccr, u32 crfD, u32 crfS) -{ - u32 value, clear; - -#ifdef DEBUG - printk("%s: %p (%08x) %d %d\n", __FUNCTION__, ccr, *ccr, crfD, crfS); -#endif - - clear = 15 << ((7 - crfS) << 2); - if (!crfS) - clear = 0x90000000; - - value = (__FPU_FPSCR >> ((7 - crfS) << 2)) & 15; - __FPU_FPSCR &= ~(clear); - - *ccr &= ~(15 << ((7 - crfD) << 2)); - *ccr |= (value << ((7 - crfD) << 2)); - -#ifdef DEBUG - printk("CR: %08x\n", __FUNCTION__, *ccr); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/mffs.c b/arch/ppc/math-emu/mffs.c deleted file mode 100644 index f477c9170e75..000000000000 --- a/arch/ppc/math-emu/mffs.c +++ /dev/null @@ -1,17 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" - -int -mffs(u32 *frD) -{ - frD[1] = __FPU_FPSCR; - -#ifdef DEBUG - printk("%s: frD %p: %08x.%08x\n", __FUNCTION__, frD, frD[0], frD[1]); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/mtfsb0.c b/arch/ppc/math-emu/mtfsb0.c deleted file mode 100644 index 99bfd80f4af3..000000000000 --- a/arch/ppc/math-emu/mtfsb0.c +++ /dev/null @@ -1,18 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" - -int -mtfsb0(int crbD) -{ - if ((crbD != 1) && (crbD != 2)) - __FPU_FPSCR &= ~(1 << (31 - crbD)); - -#ifdef DEBUG - printk("%s: %d %08lx\n", __FUNCTION__, crbD, __FPU_FPSCR); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/mtfsb1.c b/arch/ppc/math-emu/mtfsb1.c deleted file mode 100644 index 3d9e7ed92d2b..000000000000 --- a/arch/ppc/math-emu/mtfsb1.c +++ /dev/null @@ -1,18 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" - -int -mtfsb1(int crbD) -{ - if ((crbD != 1) && (crbD != 2)) - __FPU_FPSCR |= (1 << (31 - crbD)); - -#ifdef DEBUG - printk("%s: %d %08lx\n", __FUNCTION__, crbD, __FPU_FPSCR); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/mtfsf.c b/arch/ppc/math-emu/mtfsf.c deleted file mode 100644 index d70cf714994c..000000000000 --- a/arch/ppc/math-emu/mtfsf.c +++ /dev/null @@ -1,45 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" - -int -mtfsf(unsigned int FM, u32 *frB) -{ - u32 mask; - - if (FM == 0) - return 0; - - if (FM == 0xff) - mask = 0x9fffffff; - else { - mask = 0; - if (FM & (1 << 0)) - mask |= 0x90000000; - if (FM & (1 << 1)) - mask |= 0x0f000000; - if (FM & (1 << 2)) - mask |= 0x00f00000; - if (FM & (1 << 3)) - mask |= 0x000f0000; - if (FM & (1 << 4)) - mask |= 0x0000f000; - if (FM & (1 << 5)) - mask |= 0x00000f00; - if (FM & (1 << 6)) - mask |= 0x000000f0; - if (FM & (1 << 7)) - mask |= 0x0000000f; - } - - __FPU_FPSCR &= ~(mask); - __FPU_FPSCR |= (frB[1] & mask); - -#ifdef DEBUG - printk("%s: %02x %p: %08lx\n", __FUNCTION__, FM, frB, __FPU_FPSCR); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/mtfsfi.c b/arch/ppc/math-emu/mtfsfi.c deleted file mode 100644 index 71df854baa7e..000000000000 --- a/arch/ppc/math-emu/mtfsfi.c +++ /dev/null @@ -1,23 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" - -int -mtfsfi(unsigned int crfD, unsigned int IMM) -{ - u32 mask = 0xf; - - if (!crfD) - mask = 9; - - __FPU_FPSCR &= ~(mask << ((7 - crfD) << 2)); - __FPU_FPSCR |= (IMM & 0xf) << ((7 - crfD) << 2); - -#ifdef DEBUG - printk("%s: %d %x: %08lx\n", __FUNCTION__, crfD, IMM, __FPU_FPSCR); -#endif - - return 0; -} diff --git a/arch/ppc/math-emu/op-1.h b/arch/ppc/math-emu/op-1.h deleted file mode 100644 index c92fa95f562e..000000000000 --- a/arch/ppc/math-emu/op-1.h +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Basic one-word fraction declaration and manipulation. - */ - -#define _FP_FRAC_DECL_1(X) _FP_W_TYPE X##_f -#define _FP_FRAC_COPY_1(D,S) (D##_f = S##_f) -#define _FP_FRAC_SET_1(X,I) (X##_f = I) -#define _FP_FRAC_HIGH_1(X) (X##_f) -#define _FP_FRAC_LOW_1(X) (X##_f) -#define _FP_FRAC_WORD_1(X,w) (X##_f) - -#define _FP_FRAC_ADDI_1(X,I) (X##_f += I) -#define _FP_FRAC_SLL_1(X,N) \ - do { \ - if (__builtin_constant_p(N) && (N) == 1) \ - X##_f += X##_f; \ - else \ - X##_f <<= (N); \ - } while (0) -#define _FP_FRAC_SRL_1(X,N) (X##_f >>= N) - -/* Right shift with sticky-lsb. */ -#define _FP_FRAC_SRS_1(X,N,sz) __FP_FRAC_SRS_1(X##_f, N, sz) - -#define __FP_FRAC_SRS_1(X,N,sz) \ - (X = (X >> (N) | (__builtin_constant_p(N) && (N) == 1 \ - ? X & 1 : (X << (_FP_W_TYPE_SIZE - (N))) != 0))) - -#define _FP_FRAC_ADD_1(R,X,Y) (R##_f = X##_f + Y##_f) -#define _FP_FRAC_SUB_1(R,X,Y) (R##_f = X##_f - Y##_f) -#define _FP_FRAC_CLZ_1(z, X) __FP_CLZ(z, X##_f) - -/* Predicates */ -#define _FP_FRAC_NEGP_1(X) ((_FP_WS_TYPE)X##_f < 0) -#define _FP_FRAC_ZEROP_1(X) (X##_f == 0) -#define _FP_FRAC_OVERP_1(fs,X) (X##_f & _FP_OVERFLOW_##fs) -#define _FP_FRAC_EQ_1(X, Y) (X##_f == Y##_f) -#define _FP_FRAC_GE_1(X, Y) (X##_f >= Y##_f) -#define _FP_FRAC_GT_1(X, Y) (X##_f > Y##_f) - -#define _FP_ZEROFRAC_1 0 -#define _FP_MINFRAC_1 1 - -/* - * Unpack the raw bits of a native fp value. Do not classify or - * normalize the data. - */ - -#define _FP_UNPACK_RAW_1(fs, X, val) \ - do { \ - union _FP_UNION_##fs _flo; _flo.flt = (val); \ - \ - X##_f = _flo.bits.frac; \ - X##_e = _flo.bits.exp; \ - X##_s = _flo.bits.sign; \ - } while (0) - - -/* - * Repack the raw bits of a native fp value. - */ - -#define _FP_PACK_RAW_1(fs, val, X) \ - do { \ - union _FP_UNION_##fs _flo; \ - \ - _flo.bits.frac = X##_f; \ - _flo.bits.exp = X##_e; \ - _flo.bits.sign = X##_s; \ - \ - (val) = _flo.flt; \ - } while (0) - - -/* - * Multiplication algorithms: - */ - -/* Basic. Assuming the host word size is >= 2*FRACBITS, we can do the - multiplication immediately. */ - -#define _FP_MUL_MEAT_1_imm(fs, R, X, Y) \ - do { \ - R##_f = X##_f * Y##_f; \ - /* Normalize since we know where the msb of the multiplicands \ - were (bit B), we know that the msb of the of the product is \ - at either 2B or 2B-1. */ \ - _FP_FRAC_SRS_1(R, _FP_WFRACBITS_##fs-1, 2*_FP_WFRACBITS_##fs); \ - } while (0) - -/* Given a 1W * 1W => 2W primitive, do the extended multiplication. */ - -#define _FP_MUL_MEAT_1_wide(fs, R, X, Y, doit) \ - do { \ - _FP_W_TYPE _Z_f0, _Z_f1; \ - doit(_Z_f1, _Z_f0, X##_f, Y##_f); \ - /* Normalize since we know where the msb of the multiplicands \ - were (bit B), we know that the msb of the of the product is \ - at either 2B or 2B-1. */ \ - _FP_FRAC_SRS_2(_Z, _FP_WFRACBITS_##fs-1, 2*_FP_WFRACBITS_##fs); \ - R##_f = _Z_f0; \ - } while (0) - -/* Finally, a simple widening multiply algorithm. What fun! */ - -#define _FP_MUL_MEAT_1_hard(fs, R, X, Y) \ - do { \ - _FP_W_TYPE _xh, _xl, _yh, _yl, _z_f0, _z_f1, _a_f0, _a_f1; \ - \ - /* split the words in half */ \ - _xh = X##_f >> (_FP_W_TYPE_SIZE/2); \ - _xl = X##_f & (((_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2)) - 1); \ - _yh = Y##_f >> (_FP_W_TYPE_SIZE/2); \ - _yl = Y##_f & (((_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2)) - 1); \ - \ - /* multiply the pieces */ \ - _z_f0 = _xl * _yl; \ - _a_f0 = _xh * _yl; \ - _a_f1 = _xl * _yh; \ - _z_f1 = _xh * _yh; \ - \ - /* reassemble into two full words */ \ - if ((_a_f0 += _a_f1) < _a_f1) \ - _z_f1 += (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2); \ - _a_f1 = _a_f0 >> (_FP_W_TYPE_SIZE/2); \ - _a_f0 = _a_f0 << (_FP_W_TYPE_SIZE/2); \ - _FP_FRAC_ADD_2(_z, _z, _a); \ - \ - /* normalize */ \ - _FP_FRAC_SRS_2(_z, _FP_WFRACBITS_##fs - 1, 2*_FP_WFRACBITS_##fs); \ - R##_f = _z_f0; \ - } while (0) - - -/* - * Division algorithms: - */ - -/* Basic. Assuming the host word size is >= 2*FRACBITS, we can do the - division immediately. Give this macro either _FP_DIV_HELP_imm for - C primitives or _FP_DIV_HELP_ldiv for the ISO function. Which you - choose will depend on what the compiler does with divrem4. */ - -#define _FP_DIV_MEAT_1_imm(fs, R, X, Y, doit) \ - do { \ - _FP_W_TYPE _q, _r; \ - X##_f <<= (X##_f < Y##_f \ - ? R##_e--, _FP_WFRACBITS_##fs \ - : _FP_WFRACBITS_##fs - 1); \ - doit(_q, _r, X##_f, Y##_f); \ - R##_f = _q | (_r != 0); \ - } while (0) - -/* GCC's longlong.h defines a 2W / 1W => (1W,1W) primitive udiv_qrnnd - that may be useful in this situation. This first is for a primitive - that requires normalization, the second for one that does not. Look - for UDIV_NEEDS_NORMALIZATION to tell which your machine needs. */ - -#define _FP_DIV_MEAT_1_udiv_norm(fs, R, X, Y) \ - do { \ - _FP_W_TYPE _nh, _nl, _q, _r; \ - \ - /* Normalize Y -- i.e. make the most significant bit set. */ \ - Y##_f <<= _FP_WFRACXBITS_##fs - 1; \ - \ - /* Shift X op correspondingly high, that is, up one full word. */ \ - if (X##_f <= Y##_f) \ - { \ - _nl = 0; \ - _nh = X##_f; \ - } \ - else \ - { \ - R##_e++; \ - _nl = X##_f << (_FP_W_TYPE_SIZE-1); \ - _nh = X##_f >> 1; \ - } \ - \ - udiv_qrnnd(_q, _r, _nh, _nl, Y##_f); \ - R##_f = _q | (_r != 0); \ - } while (0) - -#define _FP_DIV_MEAT_1_udiv(fs, R, X, Y) \ - do { \ - _FP_W_TYPE _nh, _nl, _q, _r; \ - if (X##_f < Y##_f) \ - { \ - R##_e--; \ - _nl = X##_f << _FP_WFRACBITS_##fs; \ - _nh = X##_f >> _FP_WFRACXBITS_##fs; \ - } \ - else \ - { \ - _nl = X##_f << (_FP_WFRACBITS_##fs - 1); \ - _nh = X##_f >> (_FP_WFRACXBITS_##fs + 1); \ - } \ - udiv_qrnnd(_q, _r, _nh, _nl, Y##_f); \ - R##_f = _q | (_r != 0); \ - } while (0) - - -/* - * Square root algorithms: - * We have just one right now, maybe Newton approximation - * should be added for those machines where division is fast. - */ - -#define _FP_SQRT_MEAT_1(R, S, T, X, q) \ - do { \ - while (q) \ - { \ - T##_f = S##_f + q; \ - if (T##_f <= X##_f) \ - { \ - S##_f = T##_f + q; \ - X##_f -= T##_f; \ - R##_f += q; \ - } \ - _FP_FRAC_SLL_1(X, 1); \ - q >>= 1; \ - } \ - } while (0) - -/* - * Assembly/disassembly for converting to/from integral types. - * No shifting or overflow handled here. - */ - -#define _FP_FRAC_ASSEMBLE_1(r, X, rsize) (r = X##_f) -#define _FP_FRAC_DISASSEMBLE_1(X, r, rsize) (X##_f = r) - - -/* - * Convert FP values between word sizes - */ - -#define _FP_FRAC_CONV_1_1(dfs, sfs, D, S) \ - do { \ - D##_f = S##_f; \ - if (_FP_WFRACBITS_##sfs > _FP_WFRACBITS_##dfs) \ - _FP_FRAC_SRS_1(D, (_FP_WFRACBITS_##sfs-_FP_WFRACBITS_##dfs), \ - _FP_WFRACBITS_##sfs); \ - else \ - D##_f <<= _FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs; \ - } while (0) diff --git a/arch/ppc/math-emu/op-2.h b/arch/ppc/math-emu/op-2.h deleted file mode 100644 index b9b06b4c6ea1..000000000000 --- a/arch/ppc/math-emu/op-2.h +++ /dev/null @@ -1,433 +0,0 @@ -/* - * Basic two-word fraction declaration and manipulation. - */ - -#define _FP_FRAC_DECL_2(X) _FP_W_TYPE X##_f0, X##_f1 -#define _FP_FRAC_COPY_2(D,S) (D##_f0 = S##_f0, D##_f1 = S##_f1) -#define _FP_FRAC_SET_2(X,I) __FP_FRAC_SET_2(X, I) -#define _FP_FRAC_HIGH_2(X) (X##_f1) -#define _FP_FRAC_LOW_2(X) (X##_f0) -#define _FP_FRAC_WORD_2(X,w) (X##_f##w) - -#define _FP_FRAC_SLL_2(X,N) \ - do { \ - if ((N) < _FP_W_TYPE_SIZE) \ - { \ - if (__builtin_constant_p(N) && (N) == 1) \ - { \ - X##_f1 = X##_f1 + X##_f1 + (((_FP_WS_TYPE)(X##_f0)) < 0); \ - X##_f0 += X##_f0; \ - } \ - else \ - { \ - X##_f1 = X##_f1 << (N) | X##_f0 >> (_FP_W_TYPE_SIZE - (N)); \ - X##_f0 <<= (N); \ - } \ - } \ - else \ - { \ - X##_f1 = X##_f0 << ((N) - _FP_W_TYPE_SIZE); \ - X##_f0 = 0; \ - } \ - } while (0) - -#define _FP_FRAC_SRL_2(X,N) \ - do { \ - if ((N) < _FP_W_TYPE_SIZE) \ - { \ - X##_f0 = X##_f0 >> (N) | X##_f1 << (_FP_W_TYPE_SIZE - (N)); \ - X##_f1 >>= (N); \ - } \ - else \ - { \ - X##_f0 = X##_f1 >> ((N) - _FP_W_TYPE_SIZE); \ - X##_f1 = 0; \ - } \ - } while (0) - -/* Right shift with sticky-lsb. */ -#define _FP_FRAC_SRS_2(X,N,sz) \ - do { \ - if ((N) < _FP_W_TYPE_SIZE) \ - { \ - X##_f0 = (X##_f1 << (_FP_W_TYPE_SIZE - (N)) | X##_f0 >> (N) | \ - (__builtin_constant_p(N) && (N) == 1 \ - ? X##_f0 & 1 \ - : (X##_f0 << (_FP_W_TYPE_SIZE - (N))) != 0)); \ - X##_f1 >>= (N); \ - } \ - else \ - { \ - X##_f0 = (X##_f1 >> ((N) - _FP_W_TYPE_SIZE) | \ - (((X##_f1 << (sz - (N))) | X##_f0) != 0)); \ - X##_f1 = 0; \ - } \ - } while (0) - -#define _FP_FRAC_ADDI_2(X,I) \ - __FP_FRAC_ADDI_2(X##_f1, X##_f0, I) - -#define _FP_FRAC_ADD_2(R,X,Y) \ - __FP_FRAC_ADD_2(R##_f1, R##_f0, X##_f1, X##_f0, Y##_f1, Y##_f0) - -#define _FP_FRAC_SUB_2(R,X,Y) \ - __FP_FRAC_SUB_2(R##_f1, R##_f0, X##_f1, X##_f0, Y##_f1, Y##_f0) - -#define _FP_FRAC_CLZ_2(R,X) \ - do { \ - if (X##_f1) \ - __FP_CLZ(R,X##_f1); \ - else \ - { \ - __FP_CLZ(R,X##_f0); \ - R += _FP_W_TYPE_SIZE; \ - } \ - } while(0) - -/* Predicates */ -#define _FP_FRAC_NEGP_2(X) ((_FP_WS_TYPE)X##_f1 < 0) -#define _FP_FRAC_ZEROP_2(X) ((X##_f1 | X##_f0) == 0) -#define _FP_FRAC_OVERP_2(fs,X) (X##_f1 & _FP_OVERFLOW_##fs) -#define _FP_FRAC_EQ_2(X, Y) (X##_f1 == Y##_f1 && X##_f0 == Y##_f0) -#define _FP_FRAC_GT_2(X, Y) \ - ((X##_f1 > Y##_f1) || (X##_f1 == Y##_f1 && X##_f0 > Y##_f0)) -#define _FP_FRAC_GE_2(X, Y) \ - ((X##_f1 > Y##_f1) || (X##_f1 == Y##_f1 && X##_f0 >= Y##_f0)) - -#define _FP_ZEROFRAC_2 0, 0 -#define _FP_MINFRAC_2 0, 1 - -/* - * Internals - */ - -#define __FP_FRAC_SET_2(X,I1,I0) (X##_f0 = I0, X##_f1 = I1) - -#define __FP_CLZ_2(R, xh, xl) \ - do { \ - if (xh) \ - __FP_CLZ(R,xl); \ - else \ - { \ - __FP_CLZ(R,xl); \ - R += _FP_W_TYPE_SIZE; \ - } \ - } while(0) - -#if 0 - -#ifndef __FP_FRAC_ADDI_2 -#define __FP_FRAC_ADDI_2(xh, xl, i) \ - (xh += ((xl += i) < i)) -#endif -#ifndef __FP_FRAC_ADD_2 -#define __FP_FRAC_ADD_2(rh, rl, xh, xl, yh, yl) \ - (rh = xh + yh + ((rl = xl + yl) < xl)) -#endif -#ifndef __FP_FRAC_SUB_2 -#define __FP_FRAC_SUB_2(rh, rl, xh, xl, yh, yl) \ - (rh = xh - yh - ((rl = xl - yl) > xl)) -#endif - -#else - -#undef __FP_FRAC_ADDI_2 -#define __FP_FRAC_ADDI_2(xh, xl, i) add_ssaaaa(xh, xl, xh, xl, 0, i) -#undef __FP_FRAC_ADD_2 -#define __FP_FRAC_ADD_2 add_ssaaaa -#undef __FP_FRAC_SUB_2 -#define __FP_FRAC_SUB_2 sub_ddmmss - -#endif - -/* - * Unpack the raw bits of a native fp value. Do not classify or - * normalize the data. - */ - -#define _FP_UNPACK_RAW_2(fs, X, val) \ - do { \ - union _FP_UNION_##fs _flo; _flo.flt = (val); \ - \ - X##_f0 = _flo.bits.frac0; \ - X##_f1 = _flo.bits.frac1; \ - X##_e = _flo.bits.exp; \ - X##_s = _flo.bits.sign; \ - } while (0) - - -/* - * Repack the raw bits of a native fp value. - */ - -#define _FP_PACK_RAW_2(fs, val, X) \ - do { \ - union _FP_UNION_##fs _flo; \ - \ - _flo.bits.frac0 = X##_f0; \ - _flo.bits.frac1 = X##_f1; \ - _flo.bits.exp = X##_e; \ - _flo.bits.sign = X##_s; \ - \ - (val) = _flo.flt; \ - } while (0) - - -/* - * Multiplication algorithms: - */ - -/* Given a 1W * 1W => 2W primitive, do the extended multiplication. */ - -#define _FP_MUL_MEAT_2_wide(fs, R, X, Y, doit) \ - do { \ - _FP_FRAC_DECL_4(_z); _FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c); \ - \ - doit(_FP_FRAC_WORD_4(_z,1), _FP_FRAC_WORD_4(_z,0), X##_f0, Y##_f0); \ - doit(_b_f1, _b_f0, X##_f0, Y##_f1); \ - doit(_c_f1, _c_f0, X##_f1, Y##_f0); \ - doit(_FP_FRAC_WORD_4(_z,3), _FP_FRAC_WORD_4(_z,2), X##_f1, Y##_f1); \ - \ - __FP_FRAC_ADD_4(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \ - _FP_FRAC_WORD_4(_z,1),_FP_FRAC_WORD_4(_z,0), \ - 0, _b_f1, _b_f0, 0, \ - _FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \ - _FP_FRAC_WORD_4(_z,1),_FP_FRAC_WORD_4(_z,0)); \ - __FP_FRAC_ADD_4(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \ - _FP_FRAC_WORD_4(_z,1),_FP_FRAC_WORD_4(_z,0), \ - 0, _c_f1, _c_f0, 0, \ - _FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \ - _FP_FRAC_WORD_4(_z,1),_FP_FRAC_WORD_4(_z,0)); \ - \ - /* Normalize since we know where the msb of the multiplicands \ - were (bit B), we know that the msb of the of the product is \ - at either 2B or 2B-1. */ \ - _FP_FRAC_SRS_4(_z, _FP_WFRACBITS_##fs-1, 2*_FP_WFRACBITS_##fs); \ - R##_f0 = _FP_FRAC_WORD_4(_z,0); \ - R##_f1 = _FP_FRAC_WORD_4(_z,1); \ - } while (0) - -/* This next macro appears to be totally broken. Fortunately nowhere - * seems to use it :-> The problem is that we define _z[4] but - * then use it in _FP_FRAC_SRS_4, which will attempt to access - * _z_f[n] which will cause an error. The fix probably involves - * declaring it with _FP_FRAC_DECL_4, see previous macro. -- PMM 02/1998 - */ -#define _FP_MUL_MEAT_2_gmp(fs, R, X, Y) \ - do { \ - _FP_W_TYPE _x[2], _y[2], _z[4]; \ - _x[0] = X##_f0; _x[1] = X##_f1; \ - _y[0] = Y##_f0; _y[1] = Y##_f1; \ - \ - mpn_mul_n(_z, _x, _y, 2); \ - \ - /* Normalize since we know where the msb of the multiplicands \ - were (bit B), we know that the msb of the of the product is \ - at either 2B or 2B-1. */ \ - _FP_FRAC_SRS_4(_z, _FP_WFRACBITS##_fs-1, 2*_FP_WFRACBITS_##fs); \ - R##_f0 = _z[0]; \ - R##_f1 = _z[1]; \ - } while (0) - - -/* - * Division algorithms: - * This seems to be giving me difficulties -- PMM - * Look, NetBSD seems to be able to comment algorithms. Can't you? - * I've thrown printks at the problem. - * This now appears to work, but I still don't really know why. - * Also, I don't think the result is properly normalised... - */ - -#define _FP_DIV_MEAT_2_udiv_64(fs, R, X, Y) \ - do { \ - extern void _fp_udivmodti4(_FP_W_TYPE q[2], _FP_W_TYPE r[2], \ - _FP_W_TYPE n1, _FP_W_TYPE n0, \ - _FP_W_TYPE d1, _FP_W_TYPE d0); \ - _FP_W_TYPE _n_f3, _n_f2, _n_f1, _n_f0, _r_f1, _r_f0; \ - _FP_W_TYPE _q_f1, _q_f0, _m_f1, _m_f0; \ - _FP_W_TYPE _rmem[2], _qmem[2]; \ - /* I think this check is to ensure that the result is normalised. \ - * Assuming X,Y normalised (ie in [1.0,2.0)) X/Y will be in \ - * [0.5,2.0). Furthermore, it will be less than 1.0 iff X < Y. \ - * In this case we tweak things. (this is based on comments in \ - * the NetBSD FPU emulation code. ) \ - * We know X,Y are normalised because we ensure this as part of \ - * the unpacking process. -- PMM \ - */ \ - if (_FP_FRAC_GT_2(X, Y)) \ - { \ -/* R##_e++; */ \ - _n_f3 = X##_f1 >> 1; \ - _n_f2 = X##_f1 << (_FP_W_TYPE_SIZE - 1) | X##_f0 >> 1; \ - _n_f1 = X##_f0 << (_FP_W_TYPE_SIZE - 1); \ - _n_f0 = 0; \ - } \ - else \ - { \ - R##_e--; \ - _n_f3 = X##_f1; \ - _n_f2 = X##_f0; \ - _n_f1 = _n_f0 = 0; \ - } \ - \ - /* Normalize, i.e. make the most significant bit of the \ - denominator set. CHANGED: - 1 to nothing -- PMM */ \ - _FP_FRAC_SLL_2(Y, _FP_WFRACXBITS_##fs /* -1 */); \ - \ - /* Do the 256/128 bit division given the 128-bit _fp_udivmodtf4 \ - primitive snagged from libgcc2.c. */ \ - \ - _fp_udivmodti4(_qmem, _rmem, _n_f3, _n_f2, 0, Y##_f1); \ - _q_f1 = _qmem[0]; \ - umul_ppmm(_m_f1, _m_f0, _q_f1, Y##_f0); \ - _r_f1 = _rmem[0]; \ - _r_f0 = _n_f1; \ - if (_FP_FRAC_GT_2(_m, _r)) \ - { \ - _q_f1--; \ - _FP_FRAC_ADD_2(_r, _r, Y); \ - if (_FP_FRAC_GE_2(_r, Y) && _FP_FRAC_GT_2(_m, _r)) \ - { \ - _q_f1--; \ - _FP_FRAC_ADD_2(_r, _r, Y); \ - } \ - } \ - _FP_FRAC_SUB_2(_r, _r, _m); \ - \ - _fp_udivmodti4(_qmem, _rmem, _r_f1, _r_f0, 0, Y##_f1); \ - _q_f0 = _qmem[0]; \ - umul_ppmm(_m_f1, _m_f0, _q_f0, Y##_f0); \ - _r_f1 = _rmem[0]; \ - _r_f0 = _n_f0; \ - if (_FP_FRAC_GT_2(_m, _r)) \ - { \ - _q_f0--; \ - _FP_FRAC_ADD_2(_r, _r, Y); \ - if (_FP_FRAC_GE_2(_r, Y) && _FP_FRAC_GT_2(_m, _r)) \ - { \ - _q_f0--; \ - _FP_FRAC_ADD_2(_r, _r, Y); \ - } \ - } \ - _FP_FRAC_SUB_2(_r, _r, _m); \ - \ - R##_f1 = _q_f1; \ - R##_f0 = _q_f0 | ((_r_f1 | _r_f0) != 0); \ - /* adjust so answer is normalized again. I'm not sure what the \ - * final sz param should be. In practice it's never used since \ - * N is 1 which is always going to be < _FP_W_TYPE_SIZE... \ - */ \ - /* _FP_FRAC_SRS_2(R,1,_FP_WFRACBITS_##fs); */ \ - } while (0) - - -#define _FP_DIV_MEAT_2_gmp(fs, R, X, Y) \ - do { \ - _FP_W_TYPE _x[4], _y[2], _z[4]; \ - _y[0] = Y##_f0; _y[1] = Y##_f1; \ - _x[0] = _x[3] = 0; \ - if (_FP_FRAC_GT_2(X, Y)) \ - { \ - R##_e++; \ - _x[1] = (X##_f0 << (_FP_WFRACBITS-1 - _FP_W_TYPE_SIZE) | \ - X##_f1 >> (_FP_W_TYPE_SIZE - \ - (_FP_WFRACBITS-1 - _FP_W_TYPE_SIZE))); \ - _x[2] = X##_f1 << (_FP_WFRACBITS-1 - _FP_W_TYPE_SIZE); \ - } \ - else \ - { \ - _x[1] = (X##_f0 << (_FP_WFRACBITS - _FP_W_TYPE_SIZE) | \ - X##_f1 >> (_FP_W_TYPE_SIZE - \ - (_FP_WFRACBITS - _FP_W_TYPE_SIZE))); \ - _x[2] = X##_f1 << (_FP_WFRACBITS - _FP_W_TYPE_SIZE); \ - } \ - \ - (void) mpn_divrem (_z, 0, _x, 4, _y, 2); \ - R##_f1 = _z[1]; \ - R##_f0 = _z[0] | ((_x[0] | _x[1]) != 0); \ - } while (0) - - -/* - * Square root algorithms: - * We have just one right now, maybe Newton approximation - * should be added for those machines where division is fast. - */ - -#define _FP_SQRT_MEAT_2(R, S, T, X, q) \ - do { \ - while (q) \ - { \ - T##_f1 = S##_f1 + q; \ - if (T##_f1 <= X##_f1) \ - { \ - S##_f1 = T##_f1 + q; \ - X##_f1 -= T##_f1; \ - R##_f1 += q; \ - } \ - _FP_FRAC_SLL_2(X, 1); \ - q >>= 1; \ - } \ - q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1); \ - while (q) \ - { \ - T##_f0 = S##_f0 + q; \ - T##_f1 = S##_f1; \ - if (T##_f1 < X##_f1 || \ - (T##_f1 == X##_f1 && T##_f0 < X##_f0)) \ - { \ - S##_f0 = T##_f0 + q; \ - if (((_FP_WS_TYPE)T##_f0) < 0 && \ - ((_FP_WS_TYPE)S##_f0) >= 0) \ - S##_f1++; \ - _FP_FRAC_SUB_2(X, X, T); \ - R##_f0 += q; \ - } \ - _FP_FRAC_SLL_2(X, 1); \ - q >>= 1; \ - } \ - } while (0) - - -/* - * Assembly/disassembly for converting to/from integral types. - * No shifting or overflow handled here. - */ - -#define _FP_FRAC_ASSEMBLE_2(r, X, rsize) \ - do { \ - if (rsize <= _FP_W_TYPE_SIZE) \ - r = X##_f0; \ - else \ - { \ - r = X##_f1; \ - r <<= _FP_W_TYPE_SIZE; \ - r += X##_f0; \ - } \ - } while (0) - -#define _FP_FRAC_DISASSEMBLE_2(X, r, rsize) \ - do { \ - X##_f0 = r; \ - X##_f1 = (rsize <= _FP_W_TYPE_SIZE ? 0 : r >> _FP_W_TYPE_SIZE); \ - } while (0) - -/* - * Convert FP values between word sizes - */ - -#define _FP_FRAC_CONV_1_2(dfs, sfs, D, S) \ - do { \ - _FP_FRAC_SRS_2(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs), \ - _FP_WFRACBITS_##sfs); \ - D##_f = S##_f0; \ - } while (0) - -#define _FP_FRAC_CONV_2_1(dfs, sfs, D, S) \ - do { \ - D##_f0 = S##_f; \ - D##_f1 = 0; \ - _FP_FRAC_SLL_2(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs)); \ - } while (0) - diff --git a/arch/ppc/math-emu/op-4.h b/arch/ppc/math-emu/op-4.h deleted file mode 100644 index fcdd6d064c54..000000000000 --- a/arch/ppc/math-emu/op-4.h +++ /dev/null @@ -1,297 +0,0 @@ -/* - * Basic four-word fraction declaration and manipulation. - * - * When adding quadword support for 32 bit machines, we need - * to be a little careful as double multiply uses some of these - * macros: (in op-2.h) - * _FP_MUL_MEAT_2_wide() uses _FP_FRAC_DECL_4, _FP_FRAC_WORD_4, - * _FP_FRAC_ADD_4, _FP_FRAC_SRS_4 - * _FP_MUL_MEAT_2_gmp() uses _FP_FRAC_SRS_4 (and should use - * _FP_FRAC_DECL_4: it appears to be broken and is not used - * anywhere anyway. ) - * - * I've now fixed all the macros that were here from the sparc64 code. - * [*none* of the shift macros were correct!] -- PMM 02/1998 - * - * The only quadword stuff that remains to be coded is: - * 1) the conversion to/from ints, which requires - * that we check (in op-common.h) that the following do the right thing - * for quadwords: _FP_TO_INT(Q,4,r,X,rsz,rsg), _FP_FROM_INT(Q,4,X,r,rs,rt) - * 2) multiply, divide and sqrt, which require: - * _FP_MUL_MEAT_4_*(R,X,Y), _FP_DIV_MEAT_4_*(R,X,Y), _FP_SQRT_MEAT_4(R,S,T,X,q), - * This also needs _FP_MUL_MEAT_Q and _FP_DIV_MEAT_Q to be defined to - * some suitable _FP_MUL_MEAT_4_* macros in sfp-machine.h. - * [we're free to choose whatever FP_MUL_MEAT_4_* macros we need for - * these; they are used nowhere else. ] - */ - -#define _FP_FRAC_DECL_4(X) _FP_W_TYPE X##_f[4] -#define _FP_FRAC_COPY_4(D,S) \ - (D##_f[0] = S##_f[0], D##_f[1] = S##_f[1], \ - D##_f[2] = S##_f[2], D##_f[3] = S##_f[3]) -/* The _FP_FRAC_SET_n(X,I) macro is intended for use with another - * macro such as _FP_ZEROFRAC_n which returns n comma separated values. - * The result is that we get an expansion of __FP_FRAC_SET_n(X,I0,I1,I2,I3) - * which just assigns the In values to the array X##_f[]. - * This is why the number of parameters doesn't appear to match - * at first glance... -- PMM - */ -#define _FP_FRAC_SET_4(X,I) __FP_FRAC_SET_4(X, I) -#define _FP_FRAC_HIGH_4(X) (X##_f[3]) -#define _FP_FRAC_LOW_4(X) (X##_f[0]) -#define _FP_FRAC_WORD_4(X,w) (X##_f[w]) - -#define _FP_FRAC_SLL_4(X,N) \ - do { \ - _FP_I_TYPE _up, _down, _skip, _i; \ - _skip = (N) / _FP_W_TYPE_SIZE; \ - _up = (N) % _FP_W_TYPE_SIZE; \ - _down = _FP_W_TYPE_SIZE - _up; \ - for (_i = 3; _i > _skip; --_i) \ - X##_f[_i] = X##_f[_i-_skip] << _up | X##_f[_i-_skip-1] >> _down; \ -/* bugfixed: was X##_f[_i] <<= _up; -- PMM 02/1998 */ \ - X##_f[_i] = X##_f[0] << _up; \ - for (--_i; _i >= 0; --_i) \ - X##_f[_i] = 0; \ - } while (0) - -/* This one was broken too */ -#define _FP_FRAC_SRL_4(X,N) \ - do { \ - _FP_I_TYPE _up, _down, _skip, _i; \ - _skip = (N) / _FP_W_TYPE_SIZE; \ - _down = (N) % _FP_W_TYPE_SIZE; \ - _up = _FP_W_TYPE_SIZE - _down; \ - for (_i = 0; _i < 3-_skip; ++_i) \ - X##_f[_i] = X##_f[_i+_skip] >> _down | X##_f[_i+_skip+1] << _up; \ - X##_f[_i] = X##_f[3] >> _down; \ - for (++_i; _i < 4; ++_i) \ - X##_f[_i] = 0; \ - } while (0) - - -/* Right shift with sticky-lsb. - * What this actually means is that we do a standard right-shift, - * but that if any of the bits that fall off the right hand side - * were one then we always set the LSbit. - */ -#define _FP_FRAC_SRS_4(X,N,size) \ - do { \ - _FP_I_TYPE _up, _down, _skip, _i; \ - _FP_W_TYPE _s; \ - _skip = (N) / _FP_W_TYPE_SIZE; \ - _down = (N) % _FP_W_TYPE_SIZE; \ - _up = _FP_W_TYPE_SIZE - _down; \ - for (_s = _i = 0; _i < _skip; ++_i) \ - _s |= X##_f[_i]; \ - _s |= X##_f[_i] << _up; \ -/* s is now != 0 if we want to set the LSbit */ \ - for (_i = 0; _i < 3-_skip; ++_i) \ - X##_f[_i] = X##_f[_i+_skip] >> _down | X##_f[_i+_skip+1] << _up; \ - X##_f[_i] = X##_f[3] >> _down; \ - for (++_i; _i < 4; ++_i) \ - X##_f[_i] = 0; \ - /* don't fix the LSB until the very end when we're sure f[0] is stable */ \ - X##_f[0] |= (_s != 0); \ - } while (0) - -#define _FP_FRAC_ADD_4(R,X,Y) \ - __FP_FRAC_ADD_4(R##_f[3], R##_f[2], R##_f[1], R##_f[0], \ - X##_f[3], X##_f[2], X##_f[1], X##_f[0], \ - Y##_f[3], Y##_f[2], Y##_f[1], Y##_f[0]) - -#define _FP_FRAC_SUB_4(R,X,Y) \ - __FP_FRAC_SUB_4(R##_f[3], R##_f[2], R##_f[1], R##_f[0], \ - X##_f[3], X##_f[2], X##_f[1], X##_f[0], \ - Y##_f[3], Y##_f[2], Y##_f[1], Y##_f[0]) - -#define _FP_FRAC_ADDI_4(X,I) \ - __FP_FRAC_ADDI_4(X##_f[3], X##_f[2], X##_f[1], X##_f[0], I) - -#define _FP_ZEROFRAC_4 0,0,0,0 -#define _FP_MINFRAC_4 0,0,0,1 - -#define _FP_FRAC_ZEROP_4(X) ((X##_f[0] | X##_f[1] | X##_f[2] | X##_f[3]) == 0) -#define _FP_FRAC_NEGP_4(X) ((_FP_WS_TYPE)X##_f[3] < 0) -#define _FP_FRAC_OVERP_4(fs,X) (X##_f[0] & _FP_OVERFLOW_##fs) - -#define _FP_FRAC_EQ_4(X,Y) \ - (X##_f[0] == Y##_f[0] && X##_f[1] == Y##_f[1] \ - && X##_f[2] == Y##_f[2] && X##_f[3] == Y##_f[3]) - -#define _FP_FRAC_GT_4(X,Y) \ - (X##_f[3] > Y##_f[3] || \ - (X##_f[3] == Y##_f[3] && (X##_f[2] > Y##_f[2] || \ - (X##_f[2] == Y##_f[2] && (X##_f[1] > Y##_f[1] || \ - (X##_f[1] == Y##_f[1] && X##_f[0] > Y##_f[0]) \ - )) \ - )) \ - ) - -#define _FP_FRAC_GE_4(X,Y) \ - (X##_f[3] > Y##_f[3] || \ - (X##_f[3] == Y##_f[3] && (X##_f[2] > Y##_f[2] || \ - (X##_f[2] == Y##_f[2] && (X##_f[1] > Y##_f[1] || \ - (X##_f[1] == Y##_f[1] && X##_f[0] >= Y##_f[0]) \ - )) \ - )) \ - ) - - -#define _FP_FRAC_CLZ_4(R,X) \ - do { \ - if (X##_f[3]) \ - { \ - __FP_CLZ(R,X##_f[3]); \ - } \ - else if (X##_f[2]) \ - { \ - __FP_CLZ(R,X##_f[2]); \ - R += _FP_W_TYPE_SIZE; \ - } \ - else if (X##_f[1]) \ - { \ - __FP_CLZ(R,X##_f[2]); \ - R += _FP_W_TYPE_SIZE*2; \ - } \ - else \ - { \ - __FP_CLZ(R,X##_f[0]); \ - R += _FP_W_TYPE_SIZE*3; \ - } \ - } while(0) - - -#define _FP_UNPACK_RAW_4(fs, X, val) \ - do { \ - union _FP_UNION_##fs _flo; _flo.flt = (val); \ - X##_f[0] = _flo.bits.frac0; \ - X##_f[1] = _flo.bits.frac1; \ - X##_f[2] = _flo.bits.frac2; \ - X##_f[3] = _flo.bits.frac3; \ - X##_e = _flo.bits.exp; \ - X##_s = _flo.bits.sign; \ - } while (0) - -#define _FP_PACK_RAW_4(fs, val, X) \ - do { \ - union _FP_UNION_##fs _flo; \ - _flo.bits.frac0 = X##_f[0]; \ - _flo.bits.frac1 = X##_f[1]; \ - _flo.bits.frac2 = X##_f[2]; \ - _flo.bits.frac3 = X##_f[3]; \ - _flo.bits.exp = X##_e; \ - _flo.bits.sign = X##_s; \ - (val) = _flo.flt; \ - } while (0) - - -/* - * Internals - */ - -#define __FP_FRAC_SET_4(X,I3,I2,I1,I0) \ - (X##_f[3] = I3, X##_f[2] = I2, X##_f[1] = I1, X##_f[0] = I0) - -#ifndef __FP_FRAC_ADD_4 -#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ - (r0 = x0 + y0, \ - r1 = x1 + y1 + (r0 < x0), \ - r2 = x2 + y2 + (r1 < x1), \ - r3 = x3 + y3 + (r2 < x2)) -#endif - -#ifndef __FP_FRAC_SUB_4 -#define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ - (r0 = x0 - y0, \ - r1 = x1 - y1 - (r0 > x0), \ - r2 = x2 - y2 - (r1 > x1), \ - r3 = x3 - y3 - (r2 > x2)) -#endif - -#ifndef __FP_FRAC_ADDI_4 -/* I always wanted to be a lisp programmer :-> */ -#define __FP_FRAC_ADDI_4(x3,x2,x1,x0,i) \ - (x3 += ((x2 += ((x1 += ((x0 += i) < x0)) < x1) < x2))) -#endif - -/* Convert FP values between word sizes. This appears to be more - * complicated than I'd have expected it to be, so these might be - * wrong... These macros are in any case somewhat bogus because they - * use information about what various FRAC_n variables look like - * internally [eg, that 2 word vars are X_f0 and x_f1]. But so do - * the ones in op-2.h and op-1.h. - */ -#define _FP_FRAC_CONV_1_4(dfs, sfs, D, S) \ - do { \ - _FP_FRAC_SRS_4(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs), \ - _FP_WFRACBITS_##sfs); \ - D##_f = S##_f[0]; \ - } while (0) - -#define _FP_FRAC_CONV_2_4(dfs, sfs, D, S) \ - do { \ - _FP_FRAC_SRS_4(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs), \ - _FP_WFRACBITS_##sfs); \ - D##_f0 = S##_f[0]; \ - D##_f1 = S##_f[1]; \ - } while (0) - -/* Assembly/disassembly for converting to/from integral types. - * No shifting or overflow handled here. - */ -/* Put the FP value X into r, which is an integer of size rsize. */ -#define _FP_FRAC_ASSEMBLE_4(r, X, rsize) \ - do { \ - if (rsize <= _FP_W_TYPE_SIZE) \ - r = X##_f[0]; \ - else if (rsize <= 2*_FP_W_TYPE_SIZE) \ - { \ - r = X##_f[1]; \ - r <<= _FP_W_TYPE_SIZE; \ - r += X##_f[0]; \ - } \ - else \ - { \ - /* I'm feeling lazy so we deal with int == 3words (implausible)*/ \ - /* and int == 4words as a single case. */ \ - r = X##_f[3]; \ - r <<= _FP_W_TYPE_SIZE; \ - r += X##_f[2]; \ - r <<= _FP_W_TYPE_SIZE; \ - r += X##_f[1]; \ - r <<= _FP_W_TYPE_SIZE; \ - r += X##_f[0]; \ - } \ - } while (0) - -/* "No disassemble Number Five!" */ -/* move an integer of size rsize into X's fractional part. We rely on - * the _f[] array consisting of words of size _FP_W_TYPE_SIZE to avoid - * having to mask the values we store into it. - */ -#define _FP_FRAC_DISASSEMBLE_4(X, r, rsize) \ - do { \ - X##_f[0] = r; \ - X##_f[1] = (rsize <= _FP_W_TYPE_SIZE ? 0 : r >> _FP_W_TYPE_SIZE); \ - X##_f[2] = (rsize <= 2*_FP_W_TYPE_SIZE ? 0 : r >> 2*_FP_W_TYPE_SIZE); \ - X##_f[3] = (rsize <= 3*_FP_W_TYPE_SIZE ? 0 : r >> 3*_FP_W_TYPE_SIZE); \ - } while (0) - -#define _FP_FRAC_CONV_4_1(dfs, sfs, D, S) \ - do { \ - D##_f[0] = S##_f; \ - D##_f[1] = D##_f[2] = D##_f[3] = 0; \ - _FP_FRAC_SLL_4(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs)); \ - } while (0) - -#define _FP_FRAC_CONV_4_2(dfs, sfs, D, S) \ - do { \ - D##_f[0] = S##_f0; \ - D##_f[1] = S##_f1; \ - D##_f[2] = D##_f[3] = 0; \ - _FP_FRAC_SLL_4(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs)); \ - } while (0) - -/* FIXME! This has to be written */ -#define _FP_SQRT_MEAT_4(R, S, T, X, q) diff --git a/arch/ppc/math-emu/op-common.h b/arch/ppc/math-emu/op-common.h deleted file mode 100644 index afb82b6498ce..000000000000 --- a/arch/ppc/math-emu/op-common.h +++ /dev/null @@ -1,688 +0,0 @@ -#define _FP_DECL(wc, X) \ - _FP_I_TYPE X##_c, X##_s, X##_e; \ - _FP_FRAC_DECL_##wc(X) - -/* - * Finish truely unpacking a native fp value by classifying the kind - * of fp value and normalizing both the exponent and the fraction. - */ - -#define _FP_UNPACK_CANONICAL(fs, wc, X) \ -do { \ - switch (X##_e) \ - { \ - default: \ - _FP_FRAC_HIGH_##wc(X) |= _FP_IMPLBIT_##fs; \ - _FP_FRAC_SLL_##wc(X, _FP_WORKBITS); \ - X##_e -= _FP_EXPBIAS_##fs; \ - X##_c = FP_CLS_NORMAL; \ - break; \ - \ - case 0: \ - if (_FP_FRAC_ZEROP_##wc(X)) \ - X##_c = FP_CLS_ZERO; \ - else \ - { \ - /* a denormalized number */ \ - _FP_I_TYPE _shift; \ - _FP_FRAC_CLZ_##wc(_shift, X); \ - _shift -= _FP_FRACXBITS_##fs; \ - _FP_FRAC_SLL_##wc(X, (_shift+_FP_WORKBITS)); \ - X##_e -= _FP_EXPBIAS_##fs - 1 + _shift; \ - X##_c = FP_CLS_NORMAL; \ - } \ - break; \ - \ - case _FP_EXPMAX_##fs: \ - if (_FP_FRAC_ZEROP_##wc(X)) \ - X##_c = FP_CLS_INF; \ - else \ - /* we don't differentiate between signaling and quiet nans */ \ - X##_c = FP_CLS_NAN; \ - break; \ - } \ -} while (0) - - -/* - * Before packing the bits back into the native fp result, take care - * of such mundane things as rounding and overflow. Also, for some - * kinds of fp values, the original parts may not have been fully - * extracted -- but that is ok, we can regenerate them now. - */ - -#define _FP_PACK_CANONICAL(fs, wc, X) \ -({int __ret = 0; \ - switch (X##_c) \ - { \ - case FP_CLS_NORMAL: \ - X##_e += _FP_EXPBIAS_##fs; \ - if (X##_e > 0) \ - { \ - __ret |= _FP_ROUND(wc, X); \ - if (_FP_FRAC_OVERP_##wc(fs, X)) \ - { \ - _FP_FRAC_SRL_##wc(X, (_FP_WORKBITS+1)); \ - X##_e++; \ - } \ - else \ - _FP_FRAC_SRL_##wc(X, _FP_WORKBITS); \ - if (X##_e >= _FP_EXPMAX_##fs) \ - { \ - /* overflow to infinity */ \ - X##_e = _FP_EXPMAX_##fs; \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - __ret |= EFLAG_OVERFLOW; \ - } \ - } \ - else \ - { \ - /* we've got a denormalized number */ \ - X##_e = -X##_e + 1; \ - if (X##_e <= _FP_WFRACBITS_##fs) \ - { \ - _FP_FRAC_SRS_##wc(X, X##_e, _FP_WFRACBITS_##fs); \ - _FP_FRAC_SLL_##wc(X, 1); \ - if (_FP_FRAC_OVERP_##wc(fs, X)) \ - { \ - X##_e = 1; \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - } \ - else \ - { \ - X##_e = 0; \ - _FP_FRAC_SRL_##wc(X, _FP_WORKBITS+1); \ - __ret |= EFLAG_UNDERFLOW; \ - } \ - } \ - else \ - { \ - /* underflow to zero */ \ - X##_e = 0; \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - __ret |= EFLAG_UNDERFLOW; \ - } \ - } \ - break; \ - \ - case FP_CLS_ZERO: \ - X##_e = 0; \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - break; \ - \ - case FP_CLS_INF: \ - X##_e = _FP_EXPMAX_##fs; \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - break; \ - \ - case FP_CLS_NAN: \ - X##_e = _FP_EXPMAX_##fs; \ - if (!_FP_KEEPNANFRACP) \ - { \ - _FP_FRAC_SET_##wc(X, _FP_NANFRAC_##fs); \ - X##_s = 0; \ - } \ - else \ - _FP_FRAC_HIGH_##wc(X) |= _FP_QNANBIT_##fs; \ - break; \ - } \ - __ret; \ -}) - - -/* - * Main addition routine. The input values should be cooked. - */ - -#define _FP_ADD(fs, wc, R, X, Y) \ -do { \ - switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \ - { \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL): \ - { \ - /* shift the smaller number so that its exponent matches the larger */ \ - _FP_I_TYPE diff = X##_e - Y##_e; \ - \ - if (diff < 0) \ - { \ - diff = -diff; \ - if (diff <= _FP_WFRACBITS_##fs) \ - _FP_FRAC_SRS_##wc(X, diff, _FP_WFRACBITS_##fs); \ - else if (!_FP_FRAC_ZEROP_##wc(X)) \ - _FP_FRAC_SET_##wc(X, _FP_MINFRAC_##wc); \ - else \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - R##_e = Y##_e; \ - } \ - else \ - { \ - if (diff > 0) \ - { \ - if (diff <= _FP_WFRACBITS_##fs) \ - _FP_FRAC_SRS_##wc(Y, diff, _FP_WFRACBITS_##fs); \ - else if (!_FP_FRAC_ZEROP_##wc(Y)) \ - _FP_FRAC_SET_##wc(Y, _FP_MINFRAC_##wc); \ - else \ - _FP_FRAC_SET_##wc(Y, _FP_ZEROFRAC_##wc); \ - } \ - R##_e = X##_e; \ - } \ - \ - R##_c = FP_CLS_NORMAL; \ - \ - if (X##_s == Y##_s) \ - { \ - R##_s = X##_s; \ - _FP_FRAC_ADD_##wc(R, X, Y); \ - if (_FP_FRAC_OVERP_##wc(fs, R)) \ - { \ - _FP_FRAC_SRS_##wc(R, 1, _FP_WFRACBITS_##fs); \ - R##_e++; \ - } \ - } \ - else \ - { \ - R##_s = X##_s; \ - _FP_FRAC_SUB_##wc(R, X, Y); \ - if (_FP_FRAC_ZEROP_##wc(R)) \ - { \ - /* return an exact zero */ \ - if (FP_ROUNDMODE == FP_RND_MINF) \ - R##_s |= Y##_s; \ - else \ - R##_s &= Y##_s; \ - R##_c = FP_CLS_ZERO; \ - } \ - else \ - { \ - if (_FP_FRAC_NEGP_##wc(R)) \ - { \ - _FP_FRAC_SUB_##wc(R, Y, X); \ - R##_s = Y##_s; \ - } \ - \ - /* renormalize after subtraction */ \ - _FP_FRAC_CLZ_##wc(diff, R); \ - diff -= _FP_WFRACXBITS_##fs; \ - if (diff) \ - { \ - R##_e -= diff; \ - _FP_FRAC_SLL_##wc(R, diff); \ - } \ - } \ - } \ - break; \ - } \ - \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN): \ - _FP_CHOOSENAN(fs, wc, R, X, Y); \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \ - R##_e = X##_e; \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL): \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \ - _FP_FRAC_COPY_##wc(R, X); \ - R##_s = X##_s; \ - R##_c = X##_c; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL): \ - R##_e = Y##_e; \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \ - _FP_FRAC_COPY_##wc(R, Y); \ - R##_s = Y##_s; \ - R##_c = Y##_c; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \ - if (X##_s != Y##_s) \ - { \ - /* +INF + -INF => NAN */ \ - _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \ - R##_s = X##_s ^ Y##_s; \ - R##_c = FP_CLS_NAN; \ - break; \ - } \ - /* FALLTHRU */ \ - \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO): \ - R##_s = X##_s; \ - R##_c = FP_CLS_INF; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF): \ - R##_s = Y##_s; \ - R##_c = FP_CLS_INF; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \ - /* make sure the sign is correct */ \ - if (FP_ROUNDMODE == FP_RND_MINF) \ - R##_s = X##_s | Y##_s; \ - else \ - R##_s = X##_s & Y##_s; \ - R##_c = FP_CLS_ZERO; \ - break; \ - \ - default: \ - abort(); \ - } \ -} while (0) - - -/* - * Main negation routine. FIXME -- when we care about setting exception - * bits reliably, this will not do. We should examine all of the fp classes. - */ - -#define _FP_NEG(fs, wc, R, X) \ - do { \ - _FP_FRAC_COPY_##wc(R, X); \ - R##_c = X##_c; \ - R##_e = X##_e; \ - R##_s = 1 ^ X##_s; \ - } while (0) - - -/* - * Main multiplication routine. The input values should be cooked. - */ - -#define _FP_MUL(fs, wc, R, X, Y) \ -do { \ - R##_s = X##_s ^ Y##_s; \ - switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \ - { \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL): \ - R##_c = FP_CLS_NORMAL; \ - R##_e = X##_e + Y##_e + 1; \ - \ - _FP_MUL_MEAT_##fs(R,X,Y); \ - \ - if (_FP_FRAC_OVERP_##wc(fs, R)) \ - _FP_FRAC_SRS_##wc(R, 1, _FP_WFRACBITS_##fs); \ - else \ - R##_e--; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN): \ - _FP_CHOOSENAN(fs, wc, R, X, Y); \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL): \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \ - R##_s = X##_s; \ - \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \ - _FP_FRAC_COPY_##wc(R, X); \ - R##_c = X##_c; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \ - R##_s = Y##_s; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \ - _FP_FRAC_COPY_##wc(R, Y); \ - R##_c = Y##_c; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF): \ - R##_c = FP_CLS_NAN; \ - _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \ - break; \ - \ - default: \ - abort(); \ - } \ -} while (0) - - -/* - * Main division routine. The input values should be cooked. - */ - -#define _FP_DIV(fs, wc, R, X, Y) \ -do { \ - R##_s = X##_s ^ Y##_s; \ - switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \ - { \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL): \ - R##_c = FP_CLS_NORMAL; \ - R##_e = X##_e - Y##_e; \ - \ - _FP_DIV_MEAT_##fs(R,X,Y); \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN): \ - _FP_CHOOSENAN(fs, wc, R, X, Y); \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL): \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \ - R##_s = X##_s; \ - _FP_FRAC_COPY_##wc(R, X); \ - R##_c = X##_c; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \ - R##_s = Y##_s; \ - _FP_FRAC_COPY_##wc(R, Y); \ - R##_c = Y##_c; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL): \ - R##_c = FP_CLS_ZERO; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \ - R##_c = FP_CLS_INF; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \ - R##_c = FP_CLS_NAN; \ - _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \ - break; \ - \ - default: \ - abort(); \ - } \ -} while (0) - - -/* - * Main differential comparison routine. The inputs should be raw not - * cooked. The return is -1,0,1 for normal values, 2 otherwise. - */ - -#define _FP_CMP(fs, wc, ret, X, Y, un) \ - do { \ - /* NANs are unordered */ \ - if ((X##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(X)) \ - || (Y##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(Y))) \ - { \ - ret = un; \ - } \ - else \ - { \ - int __x_zero = (!X##_e && _FP_FRAC_ZEROP_##wc(X)) ? 1 : 0; \ - int __y_zero = (!Y##_e && _FP_FRAC_ZEROP_##wc(Y)) ? 1 : 0; \ - \ - if (__x_zero && __y_zero) \ - ret = 0; \ - else if (__x_zero) \ - ret = Y##_s ? 1 : -1; \ - else if (__y_zero) \ - ret = X##_s ? -1 : 1; \ - else if (X##_s != Y##_s) \ - ret = X##_s ? -1 : 1; \ - else if (X##_e > Y##_e) \ - ret = X##_s ? -1 : 1; \ - else if (X##_e < Y##_e) \ - ret = X##_s ? 1 : -1; \ - else if (_FP_FRAC_GT_##wc(X, Y)) \ - ret = X##_s ? -1 : 1; \ - else if (_FP_FRAC_GT_##wc(Y, X)) \ - ret = X##_s ? 1 : -1; \ - else \ - ret = 0; \ - } \ - } while (0) - - -/* Simplification for strict equality. */ - -#define _FP_CMP_EQ(fs, wc, ret, X, Y) \ - do { \ - /* NANs are unordered */ \ - if ((X##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(X)) \ - || (Y##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(Y))) \ - { \ - ret = 1; \ - } \ - else \ - { \ - ret = !(X##_e == Y##_e \ - && _FP_FRAC_EQ_##wc(X, Y) \ - && (X##_s == Y##_s || !X##_e && _FP_FRAC_ZEROP_##wc(X))); \ - } \ - } while (0) - -/* - * Main square root routine. The input value should be cooked. - */ - -#define _FP_SQRT(fs, wc, R, X) \ -do { \ - _FP_FRAC_DECL_##wc(T); _FP_FRAC_DECL_##wc(S); \ - _FP_W_TYPE q; \ - switch (X##_c) \ - { \ - case FP_CLS_NAN: \ - R##_s = 0; \ - R##_c = FP_CLS_NAN; \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - break; \ - case FP_CLS_INF: \ - if (X##_s) \ - { \ - R##_s = 0; \ - R##_c = FP_CLS_NAN; /* sNAN */ \ - } \ - else \ - { \ - R##_s = 0; \ - R##_c = FP_CLS_INF; /* sqrt(+inf) = +inf */ \ - } \ - break; \ - case FP_CLS_ZERO: \ - R##_s = X##_s; \ - R##_c = FP_CLS_ZERO; /* sqrt(+-0) = +-0 */ \ - break; \ - case FP_CLS_NORMAL: \ - R##_s = 0; \ - if (X##_s) \ - { \ - R##_c = FP_CLS_NAN; /* sNAN */ \ - break; \ - } \ - R##_c = FP_CLS_NORMAL; \ - if (X##_e & 1) \ - _FP_FRAC_SLL_##wc(X, 1); \ - R##_e = X##_e >> 1; \ - _FP_FRAC_SET_##wc(S, _FP_ZEROFRAC_##wc); \ - _FP_FRAC_SET_##wc(R, _FP_ZEROFRAC_##wc); \ - q = _FP_OVERFLOW_##fs; \ - _FP_FRAC_SLL_##wc(X, 1); \ - _FP_SQRT_MEAT_##wc(R, S, T, X, q); \ - _FP_FRAC_SRL_##wc(R, 1); \ - } \ - } while (0) - -/* - * Convert from FP to integer - */ - -/* "When a NaN, infinity, large positive argument >= 2147483648.0, or - * large negative argument <= -2147483649.0 is converted to an integer, - * the invalid_current bit...should be set and fp_exception_IEEE_754 should - * be raised. If the floating point invalid trap is disabled, no trap occurs - * and a numerical result is generated: if the sign bit of the operand - * is 0, the result is 2147483647; if the sign bit of the operand is 1, - * the result is -2147483648." - * Similarly for conversion to extended ints, except that the boundaries - * are >= 2^63, <= -(2^63 + 1), and the results are 2^63 + 1 for s=0 and - * -2^63 for s=1. - * -- SPARC Architecture Manual V9, Appendix B, which specifies how - * SPARCs resolve implementation dependencies in the IEEE-754 spec. - * I don't believe that the code below follows this. I'm not even sure - * it's right! - * It doesn't cope with needing to convert to an n bit integer when there - * is no n bit integer type. Fortunately gcc provides long long so this - * isn't a problem for sparc32. - * I have, however, fixed its NaN handling to conform as above. - * -- PMM 02/1998 - * NB: rsigned is not 'is r declared signed?' but 'should the value stored - * in r be signed or unsigned?'. r is always(?) declared unsigned. - * Comments below are mine, BTW -- PMM - */ -#define _FP_TO_INT(fs, wc, r, X, rsize, rsigned) \ - do { \ - switch (X##_c) \ - { \ - case FP_CLS_NORMAL: \ - if (X##_e < 0) \ - { \ - /* case FP_CLS_NAN: see above! */ \ - case FP_CLS_ZERO: \ - r = 0; \ - } \ - else if (X##_e >= rsize - (rsigned != 0)) \ - { /* overflow */ \ - case FP_CLS_NAN: \ - case FP_CLS_INF: \ - if (rsigned) \ - { \ - r = 1; \ - r <<= rsize - 1; \ - r -= 1 - X##_s; \ - } \ - else \ - { \ - r = 0; \ - if (!X##_s) \ - r = ~r; \ - } \ - } \ - else \ - { \ - if (_FP_W_TYPE_SIZE*wc < rsize) \ - { \ - _FP_FRAC_ASSEMBLE_##wc(r, X, rsize); \ - r <<= X##_e - _FP_WFRACBITS_##fs; \ - } \ - else \ - { \ - if (X##_e >= _FP_WFRACBITS_##fs) \ - _FP_FRAC_SLL_##wc(X, (X##_e - _FP_WFRACBITS_##fs + 1));\ - else \ - _FP_FRAC_SRL_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 1));\ - _FP_FRAC_ASSEMBLE_##wc(r, X, rsize); \ - } \ - if (rsigned && X##_s) \ - r = -r; \ - } \ - break; \ - } \ - } while (0) - -#define _FP_FROM_INT(fs, wc, X, r, rsize, rtype) \ - do { \ - if (r) \ - { \ - X##_c = FP_CLS_NORMAL; \ - \ - if ((X##_s = (r < 0))) \ - r = -r; \ - /* Note that `r' is now considered unsigned, so we don't have \ - to worry about the single signed overflow case. */ \ - \ - if (rsize <= _FP_W_TYPE_SIZE) \ - __FP_CLZ(X##_e, r); \ - else \ - __FP_CLZ_2(X##_e, (_FP_W_TYPE)(r >> _FP_W_TYPE_SIZE), \ - (_FP_W_TYPE)r); \ - if (rsize < _FP_W_TYPE_SIZE) \ - X##_e -= (_FP_W_TYPE_SIZE - rsize); \ - X##_e = rsize - X##_e - 1; \ - \ - if (_FP_FRACBITS_##fs < rsize && _FP_WFRACBITS_##fs < X##_e) \ - __FP_FRAC_SRS_1(r, (X##_e - _FP_WFRACBITS_##fs), rsize); \ - r &= ~((_FP_W_TYPE)1 << X##_e); \ - _FP_FRAC_DISASSEMBLE_##wc(X, ((unsigned rtype)r), rsize); \ - _FP_FRAC_SLL_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 1)); \ - } \ - else \ - { \ - X##_c = FP_CLS_ZERO, X##_s = 0; \ - } \ - } while (0) - - -#define FP_CONV(dfs,sfs,dwc,swc,D,S) \ - do { \ - _FP_FRAC_CONV_##dwc##_##swc(dfs, sfs, D, S); \ - D##_e = S##_e; \ - D##_c = S##_c; \ - D##_s = S##_s; \ - } while (0) - -/* - * Helper primitives. - */ - -/* Count leading zeros in a word. */ - -#ifndef __FP_CLZ -#if _FP_W_TYPE_SIZE < 64 -/* this is just to shut the compiler up about shifts > word length -- PMM 02/1998 */ -#define __FP_CLZ(r, x) \ - do { \ - _FP_W_TYPE _t = (x); \ - r = _FP_W_TYPE_SIZE - 1; \ - if (_t > 0xffff) r -= 16; \ - if (_t > 0xffff) _t >>= 16; \ - if (_t > 0xff) r -= 8; \ - if (_t > 0xff) _t >>= 8; \ - if (_t & 0xf0) r -= 4; \ - if (_t & 0xf0) _t >>= 4; \ - if (_t & 0xc) r -= 2; \ - if (_t & 0xc) _t >>= 2; \ - if (_t & 0x2) r -= 1; \ - } while (0) -#else /* not _FP_W_TYPE_SIZE < 64 */ -#define __FP_CLZ(r, x) \ - do { \ - _FP_W_TYPE _t = (x); \ - r = _FP_W_TYPE_SIZE - 1; \ - if (_t > 0xffffffff) r -= 32; \ - if (_t > 0xffffffff) _t >>= 32; \ - if (_t > 0xffff) r -= 16; \ - if (_t > 0xffff) _t >>= 16; \ - if (_t > 0xff) r -= 8; \ - if (_t > 0xff) _t >>= 8; \ - if (_t & 0xf0) r -= 4; \ - if (_t & 0xf0) _t >>= 4; \ - if (_t & 0xc) r -= 2; \ - if (_t & 0xc) _t >>= 2; \ - if (_t & 0x2) r -= 1; \ - } while (0) -#endif /* not _FP_W_TYPE_SIZE < 64 */ -#endif /* ndef __FP_CLZ */ - -#define _FP_DIV_HELP_imm(q, r, n, d) \ - do { \ - q = n / d, r = n % d; \ - } while (0) - diff --git a/arch/ppc/math-emu/sfp-machine.h b/arch/ppc/math-emu/sfp-machine.h deleted file mode 100644 index 4b17d83cfcdd..000000000000 --- a/arch/ppc/math-emu/sfp-machine.h +++ /dev/null @@ -1,377 +0,0 @@ -/* Machine-dependent software floating-point definitions. PPC version. - Copyright (C) 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If - not, write to the Free Software Foundation, Inc., - 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - Actually, this is a PPC (32bit) version, written based on the - i386, sparc, and sparc64 versions, by me, - Peter Maydell (pmaydell@chiark.greenend.org.uk). - Comments are by and large also mine, although they may be inaccurate. - - In picking out asm fragments I've gone with the lowest common - denominator, which also happens to be the hardware I have :-> - That is, a SPARC without hardware multiply and divide. - */ - -/* basic word size definitions */ -#define _FP_W_TYPE_SIZE 32 -#define _FP_W_TYPE unsigned long -#define _FP_WS_TYPE signed long -#define _FP_I_TYPE long - -#define __ll_B ((UWtype) 1 << (W_TYPE_SIZE / 2)) -#define __ll_lowpart(t) ((UWtype) (t) & (__ll_B - 1)) -#define __ll_highpart(t) ((UWtype) (t) >> (W_TYPE_SIZE / 2)) - -/* You can optionally code some things like addition in asm. For - * example, i386 defines __FP_FRAC_ADD_2 as asm. If you don't - * then you get a fragment of C code [if you change an #ifdef 0 - * in op-2.h] or a call to add_ssaaaa (see below). - * Good places to look for asm fragments to use are gcc and glibc. - * gcc's longlong.h is useful. - */ - -/* We need to know how to multiply and divide. If the host word size - * is >= 2*fracbits you can use FP_MUL_MEAT_n_imm(t,R,X,Y) which - * codes the multiply with whatever gcc does to 'a * b'. - * _FP_MUL_MEAT_n_wide(t,R,X,Y,f) is used when you have an asm - * function that can multiply two 1W values and get a 2W result. - * Otherwise you're stuck with _FP_MUL_MEAT_n_hard(t,R,X,Y) which - * does bitshifting to avoid overflow. - * For division there is FP_DIV_MEAT_n_imm(t,R,X,Y,f) for word size - * >= 2*fracbits, where f is either _FP_DIV_HELP_imm or - * _FP_DIV_HELP_ldiv (see op-1.h). - * _FP_DIV_MEAT_udiv() is if you have asm to do 2W/1W => (1W, 1W). - * [GCC and glibc have longlong.h which has the asm macro udiv_qrnnd - * to do this.] - * In general, 'n' is the number of words required to hold the type, - * and 't' is either S, D or Q for single/double/quad. - * -- PMM - */ -/* Example: SPARC64: - * #define _FP_MUL_MEAT_S(R,X,Y) _FP_MUL_MEAT_1_imm(S,R,X,Y) - * #define _FP_MUL_MEAT_D(R,X,Y) _FP_MUL_MEAT_1_wide(D,R,X,Y,umul_ppmm) - * #define _FP_MUL_MEAT_Q(R,X,Y) _FP_MUL_MEAT_2_wide(Q,R,X,Y,umul_ppmm) - * - * #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm) - * #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv(D,R,X,Y) - * #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv_64(Q,R,X,Y) - * - * Example: i386: - * #define _FP_MUL_MEAT_S(R,X,Y) _FP_MUL_MEAT_1_wide(S,R,X,Y,_i386_mul_32_64) - * #define _FP_MUL_MEAT_D(R,X,Y) _FP_MUL_MEAT_2_wide(D,R,X,Y,_i386_mul_32_64) - * - * #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y,_i386_div_64_32) - * #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv_64(D,R,X,Y) - */ - -#define _FP_MUL_MEAT_S(R,X,Y) _FP_MUL_MEAT_1_wide(S,R,X,Y,umul_ppmm) -#define _FP_MUL_MEAT_D(R,X,Y) _FP_MUL_MEAT_2_wide(D,R,X,Y,umul_ppmm) - -#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y) -#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv_64(D,R,X,Y) - -/* These macros define what NaN looks like. They're supposed to expand to - * a comma-separated set of 32bit unsigned ints that encode NaN. - */ -#define _FP_NANFRAC_S _FP_QNANBIT_S -#define _FP_NANFRAC_D _FP_QNANBIT_D, 0 -#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0 - -#define _FP_KEEPNANFRACP 1 - -/* This macro appears to be called when both X and Y are NaNs, and - * has to choose one and copy it to R. i386 goes for the larger of the - * two, sparc64 just picks Y. I don't understand this at all so I'll - * go with sparc64 because it's shorter :-> -- PMM - */ -#define _FP_CHOOSENAN(fs, wc, R, X, Y) \ - do { \ - R##_s = Y##_s; \ - _FP_FRAC_COPY_##wc(R,Y); \ - R##_c = FP_CLS_NAN; \ - } while (0) - - -extern void fp_unpack_d(long *, unsigned long *, unsigned long *, - long *, long *, void *); -extern int fp_pack_d(void *, long, unsigned long, unsigned long, long, long); -extern int fp_pack_ds(void *, long, unsigned long, unsigned long, long, long); - -#define __FP_UNPACK_RAW_1(fs, X, val) \ - do { \ - union _FP_UNION_##fs *_flo = \ - (union _FP_UNION_##fs *)val; \ - \ - X##_f = _flo->bits.frac; \ - X##_e = _flo->bits.exp; \ - X##_s = _flo->bits.sign; \ - } while (0) - -#define __FP_UNPACK_RAW_2(fs, X, val) \ - do { \ - union _FP_UNION_##fs *_flo = \ - (union _FP_UNION_##fs *)val; \ - \ - X##_f0 = _flo->bits.frac0; \ - X##_f1 = _flo->bits.frac1; \ - X##_e = _flo->bits.exp; \ - X##_s = _flo->bits.sign; \ - } while (0) - -#define __FP_UNPACK_S(X,val) \ - do { \ - __FP_UNPACK_RAW_1(S,X,val); \ - _FP_UNPACK_CANONICAL(S,1,X); \ - } while (0) - -#define __FP_UNPACK_D(X,val) \ - fp_unpack_d(&X##_s, &X##_f1, &X##_f0, &X##_e, &X##_c, val) - -#define __FP_PACK_RAW_1(fs, val, X) \ - do { \ - union _FP_UNION_##fs *_flo = \ - (union _FP_UNION_##fs *)val; \ - \ - _flo->bits.frac = X##_f; \ - _flo->bits.exp = X##_e; \ - _flo->bits.sign = X##_s; \ - } while (0) - -#define __FP_PACK_RAW_2(fs, val, X) \ - do { \ - union _FP_UNION_##fs *_flo = \ - (union _FP_UNION_##fs *)val; \ - \ - _flo->bits.frac0 = X##_f0; \ - _flo->bits.frac1 = X##_f1; \ - _flo->bits.exp = X##_e; \ - _flo->bits.sign = X##_s; \ - } while (0) - -#include <linux/kernel.h> -#include <linux/sched.h> - -#define __FPU_FPSCR (current->thread.fpscr.val) - -/* We only actually write to the destination register - * if exceptions signalled (if any) will not trap. - */ -#define __FPU_ENABLED_EXC \ -({ \ - (__FPU_FPSCR >> 3) & 0x1f; \ -}) - -#define __FPU_TRAP_P(bits) \ - ((__FPU_ENABLED_EXC & (bits)) != 0) - -#define __FP_PACK_S(val,X) \ -({ int __exc = _FP_PACK_CANONICAL(S,1,X); \ - if(!__exc || !__FPU_TRAP_P(__exc)) \ - __FP_PACK_RAW_1(S,val,X); \ - __exc; \ -}) - -#define __FP_PACK_D(val,X) \ - fp_pack_d(val, X##_s, X##_f1, X##_f0, X##_e, X##_c) - -#define __FP_PACK_DS(val,X) \ - fp_pack_ds(val, X##_s, X##_f1, X##_f0, X##_e, X##_c) - -/* Obtain the current rounding mode. */ -#define FP_ROUNDMODE \ -({ \ - __FPU_FPSCR & 0x3; \ -}) - -/* the asm fragments go here: all these are taken from glibc-2.0.5's - * stdlib/longlong.h - */ - -#include <linux/types.h> -#include <asm/byteorder.h> - -/* add_ssaaaa is used in op-2.h and should be equivalent to - * #define add_ssaaaa(sh,sl,ah,al,bh,bl) (sh = ah+bh+ (( sl = al+bl) < al)) - * add_ssaaaa(high_sum, low_sum, high_addend_1, low_addend_1, - * high_addend_2, low_addend_2) adds two UWtype integers, composed by - * HIGH_ADDEND_1 and LOW_ADDEND_1, and HIGH_ADDEND_2 and LOW_ADDEND_2 - * respectively. The result is placed in HIGH_SUM and LOW_SUM. Overflow - * (i.e. carry out) is not stored anywhere, and is lost. - */ -#define add_ssaaaa(sh, sl, ah, al, bh, bl) \ - do { \ - if (__builtin_constant_p (bh) && (bh) == 0) \ - __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{aze|addze} %0,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%r" ((USItype)(ah)), \ - "%r" ((USItype)(al)), \ - "rI" ((USItype)(bl))); \ - else if (__builtin_constant_p (bh) && (bh) ==~(USItype) 0) \ - __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{ame|addme} %0,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%r" ((USItype)(ah)), \ - "%r" ((USItype)(al)), \ - "rI" ((USItype)(bl))); \ - else \ - __asm__ ("{a%I5|add%I5c} %1,%4,%5\n\t{ae|adde} %0,%2,%3" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "%r" ((USItype)(ah)), \ - "r" ((USItype)(bh)), \ - "%r" ((USItype)(al)), \ - "rI" ((USItype)(bl))); \ - } while (0) - -/* sub_ddmmss is used in op-2.h and udivmodti4.c and should be equivalent to - * #define sub_ddmmss(sh, sl, ah, al, bh, bl) (sh = ah-bh - ((sl = al-bl) > al)) - * sub_ddmmss(high_difference, low_difference, high_minuend, low_minuend, - * high_subtrahend, low_subtrahend) subtracts two two-word UWtype integers, - * composed by HIGH_MINUEND_1 and LOW_MINUEND_1, and HIGH_SUBTRAHEND_2 and - * LOW_SUBTRAHEND_2 respectively. The result is placed in HIGH_DIFFERENCE - * and LOW_DIFFERENCE. Overflow (i.e. carry out) is not stored anywhere, - * and is lost. - */ -#define sub_ddmmss(sh, sl, ah, al, bh, bl) \ - do { \ - if (__builtin_constant_p (ah) && (ah) == 0) \ - __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfze|subfze} %0,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(bh)), \ - "rI" ((USItype)(al)), \ - "r" ((USItype)(bl))); \ - else if (__builtin_constant_p (ah) && (ah) ==~(USItype) 0) \ - __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfme|subfme} %0,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(bh)), \ - "rI" ((USItype)(al)), \ - "r" ((USItype)(bl))); \ - else if (__builtin_constant_p (bh) && (bh) == 0) \ - __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{ame|addme} %0,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(ah)), \ - "rI" ((USItype)(al)), \ - "r" ((USItype)(bl))); \ - else if (__builtin_constant_p (bh) && (bh) ==~(USItype) 0) \ - __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{aze|addze} %0,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(ah)), \ - "rI" ((USItype)(al)), \ - "r" ((USItype)(bl))); \ - else \ - __asm__ ("{sf%I4|subf%I4c} %1,%5,%4\n\t{sfe|subfe} %0,%3,%2" \ - : "=r" ((USItype)(sh)), \ - "=&r" ((USItype)(sl)) \ - : "r" ((USItype)(ah)), \ - "r" ((USItype)(bh)), \ - "rI" ((USItype)(al)), \ - "r" ((USItype)(bl))); \ - } while (0) - -/* asm fragments for mul and div */ - -/* umul_ppmm(high_prod, low_prod, multipler, multiplicand) multiplies two - * UWtype integers MULTIPLER and MULTIPLICAND, and generates a two UWtype - * word product in HIGH_PROD and LOW_PROD. - */ -#define umul_ppmm(ph, pl, m0, m1) \ - do { \ - USItype __m0 = (m0), __m1 = (m1); \ - __asm__ ("mulhwu %0,%1,%2" \ - : "=r" ((USItype)(ph)) \ - : "%r" (__m0), \ - "r" (__m1)); \ - (pl) = __m0 * __m1; \ - } while (0) - -/* udiv_qrnnd(quotient, remainder, high_numerator, low_numerator, - * denominator) divides a UDWtype, composed by the UWtype integers - * HIGH_NUMERATOR and LOW_NUMERATOR, by DENOMINATOR and places the quotient - * in QUOTIENT and the remainder in REMAINDER. HIGH_NUMERATOR must be less - * than DENOMINATOR for correct operation. If, in addition, the most - * significant bit of DENOMINATOR must be 1, then the pre-processor symbol - * UDIV_NEEDS_NORMALIZATION is defined to 1. - */ -#define udiv_qrnnd(q, r, n1, n0, d) \ - do { \ - UWtype __d1, __d0, __q1, __q0, __r1, __r0, __m; \ - __d1 = __ll_highpart (d); \ - __d0 = __ll_lowpart (d); \ - \ - __r1 = (n1) % __d1; \ - __q1 = (n1) / __d1; \ - __m = (UWtype) __q1 * __d0; \ - __r1 = __r1 * __ll_B | __ll_highpart (n0); \ - if (__r1 < __m) \ - { \ - __q1--, __r1 += (d); \ - if (__r1 >= (d)) /* we didn't get carry when adding to __r1 */ \ - if (__r1 < __m) \ - __q1--, __r1 += (d); \ - } \ - __r1 -= __m; \ - \ - __r0 = __r1 % __d1; \ - __q0 = __r1 / __d1; \ - __m = (UWtype) __q0 * __d0; \ - __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ - if (__r0 < __m) \ - { \ - __q0--, __r0 += (d); \ - if (__r0 >= (d)) \ - if (__r0 < __m) \ - __q0--, __r0 += (d); \ - } \ - __r0 -= __m; \ - \ - (q) = (UWtype) __q1 * __ll_B | __q0; \ - (r) = __r0; \ - } while (0) - -#define UDIV_NEEDS_NORMALIZATION 1 - -#define abort() \ - return 0 - -#ifdef __BIG_ENDIAN -#define __BYTE_ORDER __BIG_ENDIAN -#else -#define __BYTE_ORDER __LITTLE_ENDIAN -#endif - -/* Exception flags. */ -#define EFLAG_INVALID (1 << (31 - 2)) -#define EFLAG_OVERFLOW (1 << (31 - 3)) -#define EFLAG_UNDERFLOW (1 << (31 - 4)) -#define EFLAG_DIVZERO (1 << (31 - 5)) -#define EFLAG_INEXACT (1 << (31 - 6)) - -#define EFLAG_VXSNAN (1 << (31 - 7)) -#define EFLAG_VXISI (1 << (31 - 8)) -#define EFLAG_VXIDI (1 << (31 - 9)) -#define EFLAG_VXZDZ (1 << (31 - 10)) -#define EFLAG_VXIMZ (1 << (31 - 11)) -#define EFLAG_VXVC (1 << (31 - 12)) -#define EFLAG_VXSOFT (1 << (31 - 21)) -#define EFLAG_VXSQRT (1 << (31 - 22)) -#define EFLAG_VXCVI (1 << (31 - 23)) diff --git a/arch/ppc/math-emu/single.h b/arch/ppc/math-emu/single.h deleted file mode 100644 index f19d99451815..000000000000 --- a/arch/ppc/math-emu/single.h +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Definitions for IEEE Single Precision - */ - -#if _FP_W_TYPE_SIZE < 32 -#error "Here's a nickel kid. Go buy yourself a real computer." -#endif - -#define _FP_FRACBITS_S 24 -#define _FP_FRACXBITS_S (_FP_W_TYPE_SIZE - _FP_FRACBITS_S) -#define _FP_WFRACBITS_S (_FP_WORKBITS + _FP_FRACBITS_S) -#define _FP_WFRACXBITS_S (_FP_W_TYPE_SIZE - _FP_WFRACBITS_S) -#define _FP_EXPBITS_S 8 -#define _FP_EXPBIAS_S 127 -#define _FP_EXPMAX_S 255 -#define _FP_QNANBIT_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-2)) -#define _FP_IMPLBIT_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-1)) -#define _FP_OVERFLOW_S ((_FP_W_TYPE)1 << (_FP_WFRACBITS_S)) - -/* The implementation of _FP_MUL_MEAT_S and _FP_DIV_MEAT_S should be - chosen by the target machine. */ - -union _FP_UNION_S -{ - float flt; - struct { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned sign : 1; - unsigned exp : _FP_EXPBITS_S; - unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0); -#else - unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0); - unsigned exp : _FP_EXPBITS_S; - unsigned sign : 1; -#endif - } bits __attribute__((packed)); -}; - -#define FP_DECL_S(X) _FP_DECL(1,X) -#define FP_UNPACK_RAW_S(X,val) _FP_UNPACK_RAW_1(S,X,val) -#define FP_PACK_RAW_S(val,X) _FP_PACK_RAW_1(S,val,X) - -#define FP_UNPACK_S(X,val) \ - do { \ - _FP_UNPACK_RAW_1(S,X,val); \ - _FP_UNPACK_CANONICAL(S,1,X); \ - } while (0) - -#define FP_PACK_S(val,X) \ - do { \ - _FP_PACK_CANONICAL(S,1,X); \ - _FP_PACK_RAW_1(S,val,X); \ - } while (0) - -#define FP_NEG_S(R,X) _FP_NEG(S,1,R,X) -#define FP_ADD_S(R,X,Y) _FP_ADD(S,1,R,X,Y) -#define FP_SUB_S(R,X,Y) _FP_SUB(S,1,R,X,Y) -#define FP_MUL_S(R,X,Y) _FP_MUL(S,1,R,X,Y) -#define FP_DIV_S(R,X,Y) _FP_DIV(S,1,R,X,Y) -#define FP_SQRT_S(R,X) _FP_SQRT(S,1,R,X) - -#define FP_CMP_S(r,X,Y,un) _FP_CMP(S,1,r,X,Y,un) -#define FP_CMP_EQ_S(r,X,Y) _FP_CMP_EQ(S,1,r,X,Y) - -#define FP_TO_INT_S(r,X,rsz,rsg) _FP_TO_INT(S,1,r,X,rsz,rsg) -#define FP_FROM_INT_S(X,r,rs,rt) _FP_FROM_INT(S,1,X,r,rs,rt) diff --git a/arch/ppc/math-emu/soft-fp.h b/arch/ppc/math-emu/soft-fp.h deleted file mode 100644 index cca39598f873..000000000000 --- a/arch/ppc/math-emu/soft-fp.h +++ /dev/null @@ -1,104 +0,0 @@ -#ifndef SOFT_FP_H -#define SOFT_FP_H - -#include "sfp-machine.h" - -#define _FP_WORKBITS 3 -#define _FP_WORK_LSB ((_FP_W_TYPE)1 << 3) -#define _FP_WORK_ROUND ((_FP_W_TYPE)1 << 2) -#define _FP_WORK_GUARD ((_FP_W_TYPE)1 << 1) -#define _FP_WORK_STICKY ((_FP_W_TYPE)1 << 0) - -#ifndef FP_RND_NEAREST -# define FP_RND_NEAREST 0 -# define FP_RND_ZERO 1 -# define FP_RND_PINF 2 -# define FP_RND_MINF 3 -#ifndef FP_ROUNDMODE -# define FP_ROUNDMODE FP_RND_NEAREST -#endif -#endif - -#define _FP_ROUND_NEAREST(wc, X) \ -({ int __ret = 0; \ - int __frac = _FP_FRAC_LOW_##wc(X) & 15; \ - if (__frac & 7) { \ - __ret = EFLAG_INEXACT; \ - if ((__frac & 7) != _FP_WORK_ROUND) \ - _FP_FRAC_ADDI_##wc(X, _FP_WORK_ROUND); \ - else if (__frac & _FP_WORK_LSB) \ - _FP_FRAC_ADDI_##wc(X, _FP_WORK_ROUND); \ - } \ - __ret; \ -}) - -#define _FP_ROUND_ZERO(wc, X) \ -({ int __ret = 0; \ - if (_FP_FRAC_LOW_##wc(X) & 7) \ - __ret = EFLAG_INEXACT; \ - __ret; \ -}) - -#define _FP_ROUND_PINF(wc, X) \ -({ int __ret = EFLAG_INEXACT; \ - if (!X##_s && (_FP_FRAC_LOW_##wc(X) & 7)) \ - _FP_FRAC_ADDI_##wc(X, _FP_WORK_LSB); \ - else __ret = 0; \ - __ret; \ -}) - -#define _FP_ROUND_MINF(wc, X) \ -({ int __ret = EFLAG_INEXACT; \ - if (X##_s && (_FP_FRAC_LOW_##wc(X) & 7)) \ - _FP_FRAC_ADDI_##wc(X, _FP_WORK_LSB); \ - else __ret = 0; \ - __ret; \ -}) - -#define _FP_ROUND(wc, X) \ -({ int __ret = 0; \ - switch (FP_ROUNDMODE) \ - { \ - case FP_RND_NEAREST: \ - __ret |= _FP_ROUND_NEAREST(wc,X); \ - break; \ - case FP_RND_ZERO: \ - __ret |= _FP_ROUND_ZERO(wc,X); \ - break; \ - case FP_RND_PINF: \ - __ret |= _FP_ROUND_PINF(wc,X); \ - break; \ - case FP_RND_MINF: \ - __ret |= _FP_ROUND_MINF(wc,X); \ - break; \ - }; \ - __ret; \ -}) - -#define FP_CLS_NORMAL 0 -#define FP_CLS_ZERO 1 -#define FP_CLS_INF 2 -#define FP_CLS_NAN 3 - -#define _FP_CLS_COMBINE(x,y) (((x) << 2) | (y)) - -#include "op-1.h" -#include "op-2.h" -#include "op-4.h" -#include "op-common.h" - -/* Sigh. Silly things longlong.h needs. */ -#define UWtype _FP_W_TYPE -#define W_TYPE_SIZE _FP_W_TYPE_SIZE - -typedef int SItype __attribute__((mode(SI))); -typedef int DItype __attribute__((mode(DI))); -typedef unsigned int USItype __attribute__((mode(SI))); -typedef unsigned int UDItype __attribute__((mode(DI))); -#if _FP_W_TYPE_SIZE == 32 -typedef unsigned int UHWtype __attribute__((mode(HI))); -#elif _FP_W_TYPE_SIZE == 64 -typedef USItype UHWtype; -#endif - -#endif diff --git a/arch/ppc/math-emu/stfd.c b/arch/ppc/math-emu/stfd.c deleted file mode 100644 index 3f8c2558a9e8..000000000000 --- a/arch/ppc/math-emu/stfd.c +++ /dev/null @@ -1,20 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -int -stfd(void *frS, void *ea) -{ -#if 0 -#ifdef DEBUG - printk("%s: S %p, ea %p: ", __FUNCTION__, frS, ea); - dump_double(frS); - printk("\n"); -#endif -#endif - - if (copy_to_user(ea, frS, sizeof(double))) - return -EFAULT; - - return 0; -} diff --git a/arch/ppc/math-emu/stfiwx.c b/arch/ppc/math-emu/stfiwx.c deleted file mode 100644 index 95caaeec6a08..000000000000 --- a/arch/ppc/math-emu/stfiwx.c +++ /dev/null @@ -1,16 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -int -stfiwx(u32 *frS, void *ea) -{ -#ifdef DEBUG - printk("%s: %p %p\n", __FUNCTION__, frS, ea); -#endif - - if (copy_to_user(ea, &frS[1], sizeof(frS[1]))) - return -EFAULT; - - return 0; -} diff --git a/arch/ppc/math-emu/stfs.c b/arch/ppc/math-emu/stfs.c deleted file mode 100644 index e87ca23c6dc3..000000000000 --- a/arch/ppc/math-emu/stfs.c +++ /dev/null @@ -1,41 +0,0 @@ -#include <linux/types.h> -#include <linux/errno.h> -#include <asm/uaccess.h> - -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -int -stfs(void *frS, void *ea) -{ - FP_DECL_D(A); - FP_DECL_S(R); - float f; - int err; - -#ifdef DEBUG - printk("%s: S %p, ea %p\n", __FUNCTION__, frS, ea); -#endif - - __FP_UNPACK_D(A, frS); - -#ifdef DEBUG - printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); -#endif - - FP_CONV(S, D, 1, 2, R, A); - -#ifdef DEBUG - printk("R: %ld %lu %ld (%ld)\n", R_s, R_f, R_e, R_c); -#endif - - err = _FP_PACK_CANONICAL(S, 1, R); - if (!err || !__FPU_TRAP_P(err)) { - __FP_PACK_RAW_1(S, &f, R); - if (copy_to_user(ea, &f, sizeof(float))) - return -EFAULT; - } - - return err; -} diff --git a/arch/ppc/math-emu/types.c b/arch/ppc/math-emu/types.c deleted file mode 100644 index e1ed15d829db..000000000000 --- a/arch/ppc/math-emu/types.c +++ /dev/null @@ -1,51 +0,0 @@ -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -void -fp_unpack_d(long *_s, unsigned long *_f1, unsigned long *_f0, - long *_e, long *_c, void *val) -{ - FP_DECL_D(X); - - __FP_UNPACK_RAW_2(D, X, val); - - _FP_UNPACK_CANONICAL(D, 2, X); - - *_s = X_s; - *_f1 = X_f1; - *_f0 = X_f0; - *_e = X_e; - *_c = X_c; -} - -int -fp_pack_d(void *val, long X_s, unsigned long X_f1, - unsigned long X_f0, long X_e, long X_c) -{ - int exc; - - exc = _FP_PACK_CANONICAL(D, 2, X); - if (!exc || !__FPU_TRAP_P(exc)) - __FP_PACK_RAW_2(D, val, X); - return exc; -} - -int -fp_pack_ds(void *val, long X_s, unsigned long X_f1, - unsigned long X_f0, long X_e, long X_c) -{ - FP_DECL_S(__X); - int exc; - - FP_CONV(S, D, 1, 2, __X, X); - exc = _FP_PACK_CANONICAL(S, 1, __X); - if (!exc || !__FPU_TRAP_P(exc)) { - _FP_UNPACK_CANONICAL(S, 1, __X); - FP_CONV(D, S, 2, 1, X, __X); - exc |= _FP_PACK_CANONICAL(D, 2, X); - if (!exc || !__FPU_TRAP_P(exc)) - __FP_PACK_RAW_2(D, val, X); - } - return exc; -} diff --git a/arch/ppc/math-emu/udivmodti4.c b/arch/ppc/math-emu/udivmodti4.c deleted file mode 100644 index 7e112dc1e2f2..000000000000 --- a/arch/ppc/math-emu/udivmodti4.c +++ /dev/null @@ -1,191 +0,0 @@ -/* This has so very few changes over libgcc2's __udivmoddi4 it isn't funny. */ - -#include "soft-fp.h" - -#undef count_leading_zeros -#define count_leading_zeros __FP_CLZ - -void -_fp_udivmodti4(_FP_W_TYPE q[2], _FP_W_TYPE r[2], - _FP_W_TYPE n1, _FP_W_TYPE n0, - _FP_W_TYPE d1, _FP_W_TYPE d0) -{ - _FP_W_TYPE q0, q1, r0, r1; - _FP_I_TYPE b, bm; - - if (d1 == 0) - { -#if !UDIV_NEEDS_NORMALIZATION - if (d0 > n1) - { - /* 0q = nn / 0D */ - - udiv_qrnnd (q0, n0, n1, n0, d0); - q1 = 0; - - /* Remainder in n0. */ - } - else - { - /* qq = NN / 0d */ - - if (d0 == 0) - d0 = 1 / d0; /* Divide intentionally by zero. */ - - udiv_qrnnd (q1, n1, 0, n1, d0); - udiv_qrnnd (q0, n0, n1, n0, d0); - - /* Remainder in n0. */ - } - - r0 = n0; - r1 = 0; - -#else /* UDIV_NEEDS_NORMALIZATION */ - - if (d0 > n1) - { - /* 0q = nn / 0D */ - - count_leading_zeros (bm, d0); - - if (bm != 0) - { - /* Normalize, i.e. make the most significant bit of the - denominator set. */ - - d0 = d0 << bm; - n1 = (n1 << bm) | (n0 >> (_FP_W_TYPE_SIZE - bm)); - n0 = n0 << bm; - } - - udiv_qrnnd (q0, n0, n1, n0, d0); - q1 = 0; - - /* Remainder in n0 >> bm. */ - } - else - { - /* qq = NN / 0d */ - - if (d0 == 0) - d0 = 1 / d0; /* Divide intentionally by zero. */ - - count_leading_zeros (bm, d0); - - if (bm == 0) - { - /* From (n1 >= d0) /\ (the most significant bit of d0 is set), - conclude (the most significant bit of n1 is set) /\ (the - leading quotient digit q1 = 1). - - This special case is necessary, not an optimization. - (Shifts counts of SI_TYPE_SIZE are undefined.) */ - - n1 -= d0; - q1 = 1; - } - else - { - _FP_W_TYPE n2; - - /* Normalize. */ - - b = _FP_W_TYPE_SIZE - bm; - - d0 = d0 << bm; - n2 = n1 >> b; - n1 = (n1 << bm) | (n0 >> b); - n0 = n0 << bm; - - udiv_qrnnd (q1, n1, n2, n1, d0); - } - - /* n1 != d0... */ - - udiv_qrnnd (q0, n0, n1, n0, d0); - - /* Remainder in n0 >> bm. */ - } - - r0 = n0 >> bm; - r1 = 0; -#endif /* UDIV_NEEDS_NORMALIZATION */ - } - else - { - if (d1 > n1) - { - /* 00 = nn / DD */ - - q0 = 0; - q1 = 0; - - /* Remainder in n1n0. */ - r0 = n0; - r1 = n1; - } - else - { - /* 0q = NN / dd */ - - count_leading_zeros (bm, d1); - if (bm == 0) - { - /* From (n1 >= d1) /\ (the most significant bit of d1 is set), - conclude (the most significant bit of n1 is set) /\ (the - quotient digit q0 = 0 or 1). - - This special case is necessary, not an optimization. */ - - /* The condition on the next line takes advantage of that - n1 >= d1 (true due to program flow). */ - if (n1 > d1 || n0 >= d0) - { - q0 = 1; - sub_ddmmss (n1, n0, n1, n0, d1, d0); - } - else - q0 = 0; - - q1 = 0; - - r0 = n0; - r1 = n1; - } - else - { - _FP_W_TYPE m1, m0, n2; - - /* Normalize. */ - - b = _FP_W_TYPE_SIZE - bm; - - d1 = (d1 << bm) | (d0 >> b); - d0 = d0 << bm; - n2 = n1 >> b; - n1 = (n1 << bm) | (n0 >> b); - n0 = n0 << bm; - - udiv_qrnnd (q0, n1, n2, n1, d1); - umul_ppmm (m1, m0, q0, d0); - - if (m1 > n1 || (m1 == n1 && m0 > n0)) - { - q0--; - sub_ddmmss (m1, m0, m1, m0, d1, d0); - } - - q1 = 0; - - /* Remainder in (n1n0 - m1m0) >> bm. */ - sub_ddmmss (n1, n0, n1, n0, m1, m0); - r0 = (n1 << b) | (n0 >> bm); - r1 = n1 >> bm; - } - } - } - - q[0] = q0; q[1] = q1; - r[0] = r0, r[1] = r1; -} |