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Make minor improvements

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This commit is contained in:
Justine Tunney 2020-12-23 23:42:56 -08:00
parent 04caf6f9ad
commit 95b142e4e5
95 changed files with 3818 additions and 2760 deletions
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43
libc/intrin/psrldq.h
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@ -8,27 +8,28 @@ void psrldq(uint8_t[16], const uint8_t[16], unsigned long);
#ifndef __STRICT_ANSI__
__intrin_xmm_t __psrldqs(__intrin_xmm_t);
#define psrldq(B, A, I) \
do { \
if (likely(!IsModeDbg() && X86_NEED(SSE) && X86_HAVE(SSE2))) { \
__intrin_xmm_t *Xmm0 = (void *)(B); \
const __intrin_xmm_t *Xmm1 = (const __intrin_xmm_t *)(A); \
if (isconstant(I)) { \
if (!X86_NEED(AVX)) { \
asm("psrldq\t%1,%0" : "=x"(*Xmm0) : "i"(I), "0"(*Xmm1)); \
} else { \
asm("vpsrldq\t%2,%1,%0" : "=x"(*Xmm0) : "x"(*Xmm1), "i"(I)); \
} \
} else { \
unsigned long Vimm = (I); \
typeof(__psrldqs) *Fn; \
if (Vimm > 16) Vimm = 16; \
Fn = (typeof(__psrldqs) *)((uintptr_t)&__psrldqs + Vimm * 8); \
*Xmm0 = Fn(*Xmm1); \
} \
} else { \
psrldq(B, A, I); \
} \
#define psrldq(B, A, I) \
do { \
if (__builtin_expect(!IsModeDbg() && X86_NEED(SSE) && X86_HAVE(SSE2), \
1)) { \
__intrin_xmm_t *Xmm0 = (void *)(B); \
const __intrin_xmm_t *Xmm1 = (const __intrin_xmm_t *)(A); \
if (__builtin_constant_p(I)) { \
if (!X86_NEED(AVX)) { \
asm("psrldq\t%1,%0" : "=x"(*Xmm0) : "i"(I), "0"(*Xmm1)); \
} else { \
asm("vpsrldq\t%2,%1,%0" : "=x"(*Xmm0) : "x"(*Xmm1), "i"(I)); \
} \
} else { \
unsigned long Vimm = (I); \
typeof(__psrldqs) *Fn; \
if (Vimm > 16) Vimm = 16; \
Fn = (typeof(__psrldqs) *)((uintptr_t)&__psrldqs + Vimm * 8); \
*Xmm0 = Fn(*Xmm1); \
} \
} else { \
psrldq(B, A, I); \
} \
} while (0)
#endif