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Diffstat (limited to 'arch/parisc/lib/milli/remI.S')
| -rw-r--r-- | arch/parisc/lib/milli/remI.S | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/arch/parisc/lib/milli/remI.S b/arch/parisc/lib/milli/remI.S deleted file mode 100644 index 63bc094471e2..000000000000 --- a/arch/parisc/lib/milli/remI.S +++ /dev/null @@ -1,185 +0,0 @@ -/* 32 and 64-bit millicode, original author Hewlett-Packard - adapted for gcc by Paul Bame <bame@debian.org> - and Alan Modra <alan@linuxcare.com.au>. - - Copyright 2001, 2002, 2003 Free Software Foundation, Inc. - - This file is part of GCC and is released under the terms of - of the GNU General Public License as published by the Free Software - Foundation; either version 2, or (at your option) any later version. - See the file COPYING in the top-level GCC source directory for a copy - of the license. */ - -#include "milli.h" - -#ifdef L_remI -/* ROUTINE: $$remI - - DESCRIPTION: - . $$remI returns the remainder of the division of two signed 32-bit - . integers. The sign of the remainder is the same as the sign of - . the dividend. - - - INPUT REGISTERS: - . arg0 == dividend - . arg1 == divisor - . mrp == return pc - . sr0 == return space when called externally - - OUTPUT REGISTERS: - . arg0 = destroyed - . arg1 = destroyed - . ret1 = remainder - - OTHER REGISTERS AFFECTED: - . r1 = undefined - - SIDE EFFECTS: - . Causes a trap under the following conditions: DIVIDE BY ZERO - . Changes memory at the following places: NONE - - PERMISSIBLE CONTEXT: - . Unwindable - . Does not create a stack frame - . Is usable for internal or external microcode - - DISCUSSION: - . Calls other millicode routines via mrp: NONE - . Calls other millicode routines: NONE */ - -RDEFINE(tmp,r1) -RDEFINE(retreg,ret1) - - SUBSPA_MILLI - ATTR_MILLI - .proc - .callinfo millicode - .entry -GSYM($$remI) -GSYM($$remoI) - .export $$remI,MILLICODE - .export $$remoI,MILLICODE - ldo -1(arg1),tmp /* is there at most one bit set ? */ - and,<> arg1,tmp,r0 /* if not, don't use power of 2 */ - addi,> 0,arg1,r0 /* if denominator > 0, use power */ - /* of 2 */ - b,n LREF(neg_denom) -LSYM(pow2) - comb,>,n 0,arg0,LREF(neg_num) /* is numerator < 0 ? */ - and arg0,tmp,retreg /* get the result */ - MILLIRETN -LSYM(neg_num) - subi 0,arg0,arg0 /* negate numerator */ - and arg0,tmp,retreg /* get the result */ - subi 0,retreg,retreg /* negate result */ - MILLIRETN -LSYM(neg_denom) - addi,< 0,arg1,r0 /* if arg1 >= 0, it's not power */ - /* of 2 */ - b,n LREF(regular_seq) - sub r0,arg1,tmp /* make denominator positive */ - comb,=,n arg1,tmp,LREF(regular_seq) /* test against 0x80000000 and 0 */ - ldo -1(tmp),retreg /* is there at most one bit set ? */ - and,= tmp,retreg,r0 /* if not, go to regular_seq */ - b,n LREF(regular_seq) - comb,>,n 0,arg0,LREF(neg_num_2) /* if arg0 < 0, negate it */ - and arg0,retreg,retreg - MILLIRETN -LSYM(neg_num_2) - subi 0,arg0,tmp /* test against 0x80000000 */ - and tmp,retreg,retreg - subi 0,retreg,retreg - MILLIRETN -LSYM(regular_seq) - addit,= 0,arg1,0 /* trap if div by zero */ - add,>= 0,arg0,retreg /* move dividend, if retreg < 0, */ - sub 0,retreg,retreg /* make it positive */ - sub 0,arg1, tmp /* clear carry, */ - /* negate the divisor */ - ds 0, tmp,0 /* set V-bit to the comple- */ - /* ment of the divisor sign */ - or 0,0, tmp /* clear tmp */ - add retreg,retreg,retreg /* shift msb bit into carry */ - ds tmp,arg1, tmp /* 1st divide step, if no carry */ - /* out, msb of quotient = 0 */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ -LSYM(t1) - ds tmp,arg1, tmp /* 2nd divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 3rd divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 4th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 5th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 6th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 7th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 8th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 9th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 10th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 11th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 12th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 13th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 14th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 15th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 16th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 17th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 18th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 19th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 20th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 21st divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 22nd divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 23rd divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 24th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 25th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 26th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 27th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 28th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 29th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 30th divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 31st divide step */ - addc retreg,retreg,retreg /* shift retreg with/into carry */ - ds tmp,arg1, tmp /* 32nd divide step, */ - addc retreg,retreg,retreg /* shift last bit into retreg */ - movb,>=,n tmp,retreg,LREF(finish) /* branch if pos. tmp */ - add,< arg1,0,0 /* if arg1 > 0, add arg1 */ - add,tr tmp,arg1,retreg /* for correcting remainder tmp */ - sub tmp,arg1,retreg /* else add absolute value arg1 */ -LSYM(finish) - add,>= arg0,0,0 /* set sign of remainder */ - sub 0,retreg,retreg /* to sign of dividend */ - MILLIRET - nop - .exit - .procend -#ifdef milliext - .origin 0x00000200 -#endif - .end -#endif |