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| author | Max Krummenacher <max.krummenacher@toradex.com> | 2018-06-19 17:19:28 +0200 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2018-06-19 17:19:28 +0200 |
| commit | 731e809d3e4a14e49756bd4158b98c69e39a8459 (patch) | |
| tree | 66644c715500c88a6f6285cae57a6067f0ed8105 /lib/mpi/longlong.h | |
| parent | b2a7f2f2fd3ec48b3d309111b6fe8ddee227539d (diff) | |
| parent | 5b5a04065fb5487303869fd6080c30f86530005d (diff) | |
Merge branch 'fslc_4.9-1.0.x-imx' into toradex_4.9-1.0.x-imx-next
Diffstat (limited to 'lib/mpi/longlong.h')
| -rw-r--r-- | lib/mpi/longlong.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h index 93336502af08..0f64fcee4ccd 100644 --- a/lib/mpi/longlong.h +++ b/lib/mpi/longlong.h @@ -671,7 +671,23 @@ do { \ ************** MIPS/64 ************** ***************************************/ #if (defined(__mips) && __mips >= 3) && W_TYPE_SIZE == 64 -#if (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4) +#if defined(__mips_isa_rev) && __mips_isa_rev >= 6 +/* + * GCC ends up emitting a __multi3 intrinsic call for MIPS64r6 with the plain C + * code below, so we special case MIPS64r6 until the compiler can do better. + */ +#define umul_ppmm(w1, w0, u, v) \ +do { \ + __asm__ ("dmulu %0,%1,%2" \ + : "=d" ((UDItype)(w0)) \ + : "d" ((UDItype)(u)), \ + "d" ((UDItype)(v))); \ + __asm__ ("dmuhu %0,%1,%2" \ + : "=d" ((UDItype)(w1)) \ + : "d" ((UDItype)(u)), \ + "d" ((UDItype)(v))); \ +} while (0) +#elif (__GNUC__ >= 5) || (__GNUC__ >= 4 && __GNUC_MINOR__ >= 4) #define umul_ppmm(w1, w0, u, v) \ do { \ typedef unsigned int __ll_UTItype __attribute__((mode(TI))); \ |