diff options
Diffstat (limited to 'mpi/amd64/mpih-rshift.S')
-rw-r--r-- | mpi/amd64/mpih-rshift.S | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/mpi/amd64/mpih-rshift.S b/mpi/amd64/mpih-rshift.S index 7bd59421..d5e27974 100644 --- a/mpi/amd64/mpih-rshift.S +++ b/mpi/amd64/mpih-rshift.S @@ -43,14 +43,15 @@ .globl C_SYMBOL_NAME(_gcry_mpih_rshift) C_SYMBOL_NAME(_gcry_mpih_rshift:) FUNC_ENTRY() - movq (%rsi), %mm7 - movd %ecx, %mm1 + /* Note: %xmm6 and %xmm7 not used for WIN64 ABI compatibility. */ + movq (%rsi), %xmm4 + movd %ecx, %xmm1 movl $64, %eax subl %ecx, %eax - movd %eax, %mm0 - movq %mm7, %mm3 - psllq %mm0, %mm7 - movd %mm7, %rax + movd %eax, %xmm0 + movdqa %xmm4, %xmm3 + psllq %xmm0, %xmm4 + movd %xmm4, %rax leaq (%rsi,%rdx,8), %rsi leaq (%rdi,%rdx,8), %rdi negq %rdx @@ -58,25 +59,24 @@ C_SYMBOL_NAME(_gcry_mpih_rshift:) jg .Lendo ALIGN(4) /* minimal alignment for claimed speed */ -.Loop: movq -8(%rsi,%rdx,8), %mm6 - movq %mm6, %mm2 - psllq %mm0, %mm6 - psrlq %mm1, %mm3 - por %mm6, %mm3 - movq %mm3, -16(%rdi,%rdx,8) +.Loop: movq -8(%rsi,%rdx,8), %xmm5 + movdqa %xmm5, %xmm2 + psllq %xmm0, %xmm5 + psrlq %xmm1, %xmm3 + por %xmm5, %xmm3 + movq %xmm3, -16(%rdi,%rdx,8) je .Lende - movq (%rsi,%rdx,8), %mm7 - movq %mm7, %mm3 - psllq %mm0, %mm7 - psrlq %mm1, %mm2 - por %mm7, %mm2 - movq %mm2, -8(%rdi,%rdx,8) + movq (%rsi,%rdx,8), %xmm4 + movdqa %xmm4, %xmm3 + psllq %xmm0, %xmm4 + psrlq %xmm1, %xmm2 + por %xmm4, %xmm2 + movq %xmm2, -8(%rdi,%rdx,8) addq $2, %rdx jle .Loop -.Lendo: movq %mm3, %mm2 -.Lende: psrlq %mm1, %mm2 - movq %mm2, -8(%rdi) - emms +.Lendo: movdqa %xmm3, %xmm2 +.Lende: psrlq %xmm1, %xmm2 + movq %xmm2, -8(%rdi) FUNC_EXIT() ret |