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(x86 asm): Zero the high parts of the ?MM registers if available.
[catacomb]
/
math
/
mpx.c
diff --git
a/math/mpx.c
b/math/mpx.c
index
3983e7c
..
4294845
100644
(file)
--- a/
math/mpx.c
+++ b/
math/mpx.c
@@
-923,19
+923,25
@@
static void simple_umul(mpw *dv, mpw *dvl, const mpw *av, const mpw *avl,
#if CPUFAM_X86
MAYBE_UMUL4(x86_sse2)
#if CPUFAM_X86
MAYBE_UMUL4(x86_sse2)
+ MAYBE_UMUL4(x86_avx)
#endif
#if CPUFAM_AMD64
MAYBE_UMUL4(amd64_sse2)
#endif
#if CPUFAM_AMD64
MAYBE_UMUL4(amd64_sse2)
+ MAYBE_UMUL4(amd64_avx)
#endif
static mpx_umul__functype *pick_umul(void)
{
#if CPUFAM_X86
#endif
static mpx_umul__functype *pick_umul(void)
{
#if CPUFAM_X86
+ DISPATCH_PICK_COND(mpx_umul, maybe_umul4_x86_avx,
+ cpu_feature_p(CPUFEAT_X86_AVX));
DISPATCH_PICK_COND(mpx_umul, maybe_umul4_x86_sse2,
cpu_feature_p(CPUFEAT_X86_SSE2));
#endif
#if CPUFAM_AMD64
DISPATCH_PICK_COND(mpx_umul, maybe_umul4_x86_sse2,
cpu_feature_p(CPUFEAT_X86_SSE2));
#endif
#if CPUFAM_AMD64
+ DISPATCH_PICK_COND(mpx_umul, maybe_umul4_amd64_avx,
+ cpu_feature_p(CPUFEAT_X86_AVX));
DISPATCH_PICK_COND(mpx_umul, maybe_umul4_amd64_sse2,
cpu_feature_p(CPUFEAT_X86_SSE2));
#endif
DISPATCH_PICK_COND(mpx_umul, maybe_umul4_amd64_sse2,
cpu_feature_p(CPUFEAT_X86_SSE2));
#endif