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| author | Ondrej Bilka <neleai@seznam.cz> | 2013-03-06 22:27:18 +0100 |
|---|---|---|
| committer | Ondrej Bilka <neleai@seznam.cz> | 2013-03-06 22:27:18 +0100 |
| commit | 87bd9bc4bd2a49a441bb9ba744c9ddb0c9434823 (patch) | |
| tree | ddef45a58945fed230d26a155bbc10739b3fa864 /sysdeps/x86_64/multiarch/strcat-sse2-unaligned.S | |
| parent | b79188d71716b6286866e06add976fe84100595e (diff) | |
| download | glibc-87bd9bc4bd2a49a441bb9ba744c9ddb0c9434823.tar.gz glibc-87bd9bc4bd2a49a441bb9ba744c9ddb0c9434823.tar.xz glibc-87bd9bc4bd2a49a441bb9ba744c9ddb0c9434823.zip | |
Revert " * sysdeps/x86_64/strlen.S: Replace with new SSE2 based implementation"
This reverts commit b79188d71716b6286866e06add976fe84100595e.
Diffstat (limited to 'sysdeps/x86_64/multiarch/strcat-sse2-unaligned.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/strcat-sse2-unaligned.S | 229 |
1 files changed, 3 insertions, 226 deletions
diff --git a/sysdeps/x86_64/multiarch/strcat-sse2-unaligned.S b/sysdeps/x86_64/multiarch/strcat-sse2-unaligned.S index 6d9951e89f..72bb609949 100644 --- a/sysdeps/x86_64/multiarch/strcat-sse2-unaligned.S +++ b/sysdeps/x86_64/multiarch/strcat-sse2-unaligned.S @@ -34,233 +34,10 @@ ENTRY (STRCAT) mov %rdx, %r8 # endif - xor %rax, %rax - mov %edi, %ecx - and $0x3f, %ecx - pxor %xmm0, %xmm0 - cmp $0x30, %ecx - ja L(next) - movdqu (%rdi), %xmm1 - pcmpeqb %xmm1, %xmm0 - pmovmskb %xmm0, %edx - test %edx, %edx - jnz L(exit_less16) - mov %rdi, %rax - and $-16, %rax - jmp L(align16_start) -L(next): - mov %rdi, %rax - and $-16, %rax - pcmpeqb (%rax), %xmm0 - mov $-1, %r10d - sub %rax, %rcx - shl %cl, %r10d - pmovmskb %xmm0, %edx - and %r10d, %edx - jnz L(exit) +# define RETURN jmp L(StartStrcpyPart) +# include "strlen-sse2-pminub.S" +# undef RETURN -L(align16_start): - pxor %xmm0, %xmm0 - pxor %xmm1, %xmm1 - pxor %xmm2, %xmm2 - pxor %xmm3, %xmm3 - pcmpeqb 16(%rax), %xmm0 - pmovmskb %xmm0, %edx - test %edx, %edx - jnz L(exit16) - - pcmpeqb 32(%rax), %xmm1 - pmovmskb %xmm1, %edx - test %edx, %edx - jnz L(exit32) - - pcmpeqb 48(%rax), %xmm2 - pmovmskb %xmm2, %edx - test %edx, %edx - jnz L(exit48) - - pcmpeqb 64(%rax), %xmm3 - pmovmskb %xmm3, %edx - test %edx, %edx - jnz L(exit64) - - pcmpeqb 80(%rax), %xmm0 - add $64, %rax - pmovmskb %xmm0, %edx - test %edx, %edx - jnz L(exit16) - - pcmpeqb 32(%rax), %xmm1 - pmovmskb %xmm1, %edx - test %edx, %edx - jnz L(exit32) - - pcmpeqb 48(%rax), %xmm2 - pmovmskb %xmm2, %edx - test %edx, %edx - jnz L(exit48) - - pcmpeqb 64(%rax), %xmm3 - pmovmskb %xmm3, %edx - test %edx, %edx - jnz L(exit64) - - pcmpeqb 80(%rax), %xmm0 - add $64, %rax - pmovmskb %xmm0, %edx - test %edx, %edx - jnz L(exit16) - - pcmpeqb 32(%rax), %xmm1 - pmovmskb %xmm1, %edx - test %edx, %edx - jnz L(exit32) - - pcmpeqb 48(%rax), %xmm2 - pmovmskb %xmm2, %edx - test %edx, %edx - jnz L(exit48) - - pcmpeqb 64(%rax), %xmm3 - pmovmskb %xmm3, %edx - test %edx, %edx - jnz L(exit64) - - pcmpeqb 80(%rax), %xmm0 - add $64, %rax - pmovmskb %xmm0, %edx - test %edx, %edx - jnz L(exit16) - - pcmpeqb 32(%rax), %xmm1 - pmovmskb %xmm1, %edx - test %edx, %edx - jnz L(exit32) - - pcmpeqb 48(%rax), %xmm2 - pmovmskb %xmm2, %edx - test %edx, %edx - jnz L(exit48) - - pcmpeqb 64(%rax), %xmm3 - pmovmskb %xmm3, %edx - test %edx, %edx - jnz L(exit64) - - test $0x3f, %rax - jz L(align64_loop) - - pcmpeqb 80(%rax), %xmm0 - add $80, %rax - pmovmskb %xmm0, %edx - test %edx, %edx - jnz L(exit) - - test $0x3f, %rax - jz L(align64_loop) - - pcmpeqb 16(%rax), %xmm1 - add $16, %rax - pmovmskb %xmm1, %edx - test %edx, %edx - jnz L(exit) - - test $0x3f, %rax - jz L(align64_loop) - - pcmpeqb 16(%rax), %xmm2 - add $16, %rax - pmovmskb %xmm2, %edx - test %edx, %edx - jnz L(exit) - - test $0x3f, %rax - jz L(align64_loop) - - pcmpeqb 16(%rax), %xmm3 - add $16, %rax - pmovmskb %xmm3, %edx - test %edx, %edx - jnz L(exit) - - add $16, %rax - .p2align 4 - L(align64_loop): - movaps (%rax), %xmm4 - pminub 16(%rax), %xmm4 - movaps 32(%rax), %xmm5 - pminub 48(%rax), %xmm5 - add $64, %rax - pminub %xmm4, %xmm5 - pcmpeqb %xmm0, %xmm5 - pmovmskb %xmm5, %edx - test %edx, %edx - jz L(align64_loop) - - pcmpeqb -64(%rax), %xmm0 - sub $80, %rax - pmovmskb %xmm0, %edx - test %edx, %edx - jnz L(exit16) - - pcmpeqb 32(%rax), %xmm1 - pmovmskb %xmm1, %edx - test %edx, %edx - jnz L(exit32) - - pcmpeqb 48(%rax), %xmm2 - pmovmskb %xmm2, %edx - test %edx, %edx - jnz L(exit48) - - pcmpeqb 64(%rax), %xmm3 - pmovmskb %xmm3, %edx - sub %rdi, %rax - bsf %rdx, %rdx - add %rdx, %rax - add $64, %rax - jmp L(StartStrcpyPart) - - .p2align 4 -L(exit): - sub %rdi, %rax -L(exit_less16): - bsf %rdx, %rdx - add %rdx, %rax - jmp L(StartStrcpyPart) - - .p2align 4 -L(exit16): - sub %rdi, %rax - bsf %rdx, %rdx - add %rdx, %rax - add $16, %rax - jmp L(StartStrcpyPart) - - .p2align 4 -L(exit32): - sub %rdi, %rax - bsf %rdx, %rdx - add %rdx, %rax - add $32, %rax - jmp L(StartStrcpyPart) - - .p2align 4 -L(exit48): - sub %rdi, %rax - bsf %rdx, %rdx - add %rdx, %rax - add $48, %rax - jmp L(StartStrcpyPart) - - .p2align 4 -L(exit64): - sub %rdi, %rax - bsf %rdx, %rdx - add %rdx, %rax - add $64, %rax - - .p2align 4 L(StartStrcpyPart): lea (%r9, %rax), %rdi mov %rsi, %rcx |