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commit 7cb126e7e7febf9dc3e369cc3e4885e34fb9433b
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Author: Noah Goldstein <goldstein.w.n@gmail.com>
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Date: Wed Nov 10 16:18:56 2021 -0600
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x86: Shrink memcmp-sse4.S code size
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No bug.
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This implementation refactors memcmp-sse4.S primarily with minimizing
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code size in mind. It does this by removing the lookup table logic and
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removing the unrolled check from (256, 512] bytes.
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memcmp-sse4 code size reduction : -3487 bytes
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wmemcmp-sse4 code size reduction: -1472 bytes
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The current memcmp-sse4.S implementation has a large code size
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cost. This has serious adverse affects on the ICache / ITLB. While
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in micro-benchmarks the implementations appears fast, traces of
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real-world code have shown that the speed in micro benchmarks does not
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translate when the ICache/ITLB are not primed, and that the cost
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of the code size has measurable negative affects on overall
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application performance.
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See https://research.google/pubs/pub48320/ for more details.
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Signed-off-by: Noah Goldstein <goldstein.w.n@gmail.com>
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Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
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(cherry picked from commit 2f9062d7171850451e6044ef78d91ff8c017b9c0)
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diff --git a/sysdeps/x86_64/multiarch/memcmp-sse4.S b/sysdeps/x86_64/multiarch/memcmp-sse4.S
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index b7ac034569ec6178..97c102a9c5ab2b91 100644
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--- a/sysdeps/x86_64/multiarch/memcmp-sse4.S
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+++ b/sysdeps/x86_64/multiarch/memcmp-sse4.S
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@@ -25,14 +25,14 @@
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# define MEMCMP __memcmp_sse4_1
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# endif
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-# define JMPTBL(I, B) (I - B)
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+#ifdef USE_AS_WMEMCMP
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+# define CMPEQ pcmpeqd
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+# define CHAR_SIZE 4
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+#else
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+# define CMPEQ pcmpeqb
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+# define CHAR_SIZE 1
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+#endif
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-# define BRANCH_TO_JMPTBL_ENTRY(TABLE, INDEX, SCALE) \
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- lea TABLE(%rip), %r11; \
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- movslq (%r11, INDEX, SCALE), %rcx; \
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- add %r11, %rcx; \
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- _CET_NOTRACK jmp *%rcx; \
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- ud2
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/* Warning!
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wmemcmp has to use SIGNED comparison for elements.
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@@ -47,33 +47,253 @@ ENTRY (MEMCMP)
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/* Clear the upper 32 bits. */
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mov %edx, %edx
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# endif
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- pxor %xmm0, %xmm0
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cmp $79, %RDX_LP
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ja L(79bytesormore)
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+
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+ cmp $CHAR_SIZE, %RDX_LP
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+ jbe L(firstbyte)
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+
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+ /* N in (CHAR_SIZE, 79) bytes. */
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+ cmpl $32, %edx
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+ ja L(more_32_bytes)
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+
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+ cmpl $16, %edx
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+ jae L(16_to_32_bytes)
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+
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# ifndef USE_AS_WMEMCMP
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- cmp $1, %RDX_LP
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- je L(firstbyte)
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+ cmpl $8, %edx
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+ jae L(8_to_16_bytes)
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+
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+ cmpl $4, %edx
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+ jb L(2_to_3_bytes)
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+
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+ movl (%rdi), %eax
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+ movl (%rsi), %ecx
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+
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+ bswap %eax
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+ bswap %ecx
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+
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+ shlq $32, %rax
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+ shlq $32, %rcx
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+
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+ movl -4(%rdi, %rdx), %edi
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+ movl -4(%rsi, %rdx), %esi
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+
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+ bswap %edi
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+ bswap %esi
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+
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+ orq %rdi, %rax
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+ orq %rsi, %rcx
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+ subq %rcx, %rax
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+ cmovne %edx, %eax
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+ sbbl %ecx, %ecx
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+ orl %ecx, %eax
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+ ret
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+
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+ .p2align 4,, 8
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+L(2_to_3_bytes):
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+ movzwl (%rdi), %eax
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+ movzwl (%rsi), %ecx
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+ shll $8, %eax
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+ shll $8, %ecx
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+ bswap %eax
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+ bswap %ecx
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+ movzbl -1(%rdi, %rdx), %edi
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+ movzbl -1(%rsi, %rdx), %esi
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+ orl %edi, %eax
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+ orl %esi, %ecx
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+ subl %ecx, %eax
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+ ret
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+
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+ .p2align 4,, 8
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+L(8_to_16_bytes):
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+ movq (%rdi), %rax
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+ movq (%rsi), %rcx
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+
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+ bswap %rax
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+ bswap %rcx
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+
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+ subq %rcx, %rax
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+ jne L(8_to_16_bytes_done)
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+
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+ movq -8(%rdi, %rdx), %rax
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+ movq -8(%rsi, %rdx), %rcx
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+
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+ bswap %rax
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+ bswap %rcx
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+
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+ subq %rcx, %rax
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+
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+L(8_to_16_bytes_done):
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+ cmovne %edx, %eax
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+ sbbl %ecx, %ecx
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+ orl %ecx, %eax
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+ ret
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+# else
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+ xorl %eax, %eax
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+ movl (%rdi), %ecx
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+ cmpl (%rsi), %ecx
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+ jne L(8_to_16_bytes_done)
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+ movl 4(%rdi), %ecx
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+ cmpl 4(%rsi), %ecx
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+ jne L(8_to_16_bytes_done)
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+ movl -4(%rdi, %rdx), %ecx
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+ cmpl -4(%rsi, %rdx), %ecx
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+ jne L(8_to_16_bytes_done)
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+ ret
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# endif
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- add %rdx, %rsi
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- add %rdx, %rdi
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- BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
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-# ifndef USE_AS_WMEMCMP
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- .p2align 4
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+ .p2align 4,, 3
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+L(ret_zero):
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+ xorl %eax, %eax
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+L(zero):
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+ ret
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+
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+ .p2align 4,, 8
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L(firstbyte):
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+ jb L(ret_zero)
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+# ifdef USE_AS_WMEMCMP
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+ xorl %eax, %eax
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+ movl (%rdi), %ecx
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+ cmpl (%rsi), %ecx
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+ je L(zero)
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+L(8_to_16_bytes_done):
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+ setg %al
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+ leal -1(%rax, %rax), %eax
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+# else
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movzbl (%rdi), %eax
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movzbl (%rsi), %ecx
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sub %ecx, %eax
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+# endif
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ret
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+
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+ .p2align 4
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+L(vec_return_begin_48):
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+ addq $16, %rdi
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+ addq $16, %rsi
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+L(vec_return_begin_32):
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+ bsfl %eax, %eax
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+# ifdef USE_AS_WMEMCMP
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+ movl 32(%rdi, %rax), %ecx
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+ xorl %edx, %edx
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+ cmpl 32(%rsi, %rax), %ecx
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+ setg %dl
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+ leal -1(%rdx, %rdx), %eax
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+# else
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+ movzbl 32(%rsi, %rax), %ecx
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+ movzbl 32(%rdi, %rax), %eax
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+ subl %ecx, %eax
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+# endif
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+ ret
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+
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+ .p2align 4
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+L(vec_return_begin_16):
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+ addq $16, %rdi
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+ addq $16, %rsi
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+L(vec_return_begin):
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+ bsfl %eax, %eax
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+# ifdef USE_AS_WMEMCMP
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+ movl (%rdi, %rax), %ecx
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+ xorl %edx, %edx
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+ cmpl (%rsi, %rax), %ecx
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+ setg %dl
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+ leal -1(%rdx, %rdx), %eax
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+# else
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+ movzbl (%rsi, %rax), %ecx
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+ movzbl (%rdi, %rax), %eax
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+ subl %ecx, %eax
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+# endif
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+ ret
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+
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+ .p2align 4
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+L(vec_return_end_16):
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+ subl $16, %edx
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+L(vec_return_end):
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+ bsfl %eax, %eax
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+ addl %edx, %eax
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+# ifdef USE_AS_WMEMCMP
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+ movl -16(%rdi, %rax), %ecx
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+ xorl %edx, %edx
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+ cmpl -16(%rsi, %rax), %ecx
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+ setg %dl
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+ leal -1(%rdx, %rdx), %eax
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+# else
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+ movzbl -16(%rsi, %rax), %ecx
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+ movzbl -16(%rdi, %rax), %eax
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+ subl %ecx, %eax
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# endif
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+ ret
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+
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+ .p2align 4,, 8
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+L(more_32_bytes):
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+ movdqu (%rdi), %xmm0
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+ movdqu (%rsi), %xmm1
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+ CMPEQ %xmm0, %xmm1
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+ pmovmskb %xmm1, %eax
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+ incw %ax
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+ jnz L(vec_return_begin)
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+
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+ movdqu 16(%rdi), %xmm0
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+ movdqu 16(%rsi), %xmm1
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+ CMPEQ %xmm0, %xmm1
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+ pmovmskb %xmm1, %eax
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+ incw %ax
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+ jnz L(vec_return_begin_16)
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+
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+ cmpl $64, %edx
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+ jbe L(32_to_64_bytes)
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+ movdqu 32(%rdi), %xmm0
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+ movdqu 32(%rsi), %xmm1
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+ CMPEQ %xmm0, %xmm1
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+ pmovmskb %xmm1, %eax
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+ incw %ax
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+ jnz L(vec_return_begin_32)
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+
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+ .p2align 4,, 6
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+L(32_to_64_bytes):
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+ movdqu -32(%rdi, %rdx), %xmm0
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+ movdqu -32(%rsi, %rdx), %xmm1
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+ CMPEQ %xmm0, %xmm1
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+ pmovmskb %xmm1, %eax
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+ incw %ax
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+ jnz L(vec_return_end_16)
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+
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+ movdqu -16(%rdi, %rdx), %xmm0
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+ movdqu -16(%rsi, %rdx), %xmm1
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+ CMPEQ %xmm0, %xmm1
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+ pmovmskb %xmm1, %eax
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+ incw %ax
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+ jnz L(vec_return_end)
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+ ret
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+
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+ .p2align 4
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+L(16_to_32_bytes):
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+ movdqu (%rdi), %xmm0
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+ movdqu (%rsi), %xmm1
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+ CMPEQ %xmm0, %xmm1
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+ pmovmskb %xmm1, %eax
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+ incw %ax
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+ jnz L(vec_return_begin)
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+
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+ movdqu -16(%rdi, %rdx), %xmm0
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+ movdqu -16(%rsi, %rdx), %xmm1
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+ CMPEQ %xmm0, %xmm1
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+ pmovmskb %xmm1, %eax
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+ incw %ax
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+ jnz L(vec_return_end)
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+ ret
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+
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.p2align 4
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L(79bytesormore):
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+ movdqu (%rdi), %xmm0
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movdqu (%rsi), %xmm1
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- movdqu (%rdi), %xmm2
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- pxor %xmm1, %xmm2
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- ptest %xmm2, %xmm0
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- jnc L(16bytesin256)
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+ CMPEQ %xmm0, %xmm1
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+ pmovmskb %xmm1, %eax
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+ incw %ax
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|
076f82 |
+ jnz L(vec_return_begin)
|
|
|
076f82 |
+
|
|
|
076f82 |
+
|
|
|
076f82 |
mov %rsi, %rcx
|
|
|
076f82 |
and $-16, %rsi
|
|
|
076f82 |
add $16, %rsi
|
|
|
076f82 |
@@ -86,1694 +306,499 @@ L(79bytesormore):
|
|
|
076f82 |
|
|
|
076f82 |
cmp $128, %rdx
|
|
|
076f82 |
ja L(128bytesormore)
|
|
|
076f82 |
-L(less128bytes):
|
|
|
076f82 |
- sub $64, %rdx
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(16bytesin256)
|
|
|
076f82 |
|
|
|
076f82 |
- movdqu 16(%rdi), %xmm2
|
|
|
076f82 |
- pxor 16(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(32bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 32(%rdi), %xmm2
|
|
|
076f82 |
- pxor 32(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(48bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 48(%rdi), %xmm2
|
|
|
076f82 |
- pxor 48(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(64bytesin256)
|
|
|
076f82 |
- cmp $32, %rdx
|
|
|
076f82 |
- jb L(less32bytesin64)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 64(%rdi), %xmm2
|
|
|
076f82 |
- pxor 64(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(80bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 80(%rdi), %xmm2
|
|
|
076f82 |
- pxor 80(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(96bytesin256)
|
|
|
076f82 |
- sub $32, %rdx
|
|
|
076f82 |
- add $32, %rdi
|
|
|
076f82 |
- add $32, %rsi
|
|
|
076f82 |
-L(less32bytesin64):
|
|
|
076f82 |
- add $64, %rdi
|
|
|
076f82 |
- add $64, %rsi
|
|
|
076f82 |
- add %rdx, %rsi
|
|
|
076f82 |
- add %rdx, %rdi
|
|
|
076f82 |
- BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
|
076f82 |
+ .p2align 4,, 6
|
|
|
076f82 |
+L(less128bytes):
|
|
|
076f82 |
+ movdqu (%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ (%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu 16(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 16(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_16)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu 32(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 32(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_32)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu 48(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 48(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_48)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ cmp $96, %rdx
|
|
|
076f82 |
+ jb L(32_to_64_bytes)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ addq $64, %rdi
|
|
|
076f82 |
+ addq $64, %rsi
|
|
|
076f82 |
+ subq $64, %rdx
|
|
|
076f82 |
+
|
|
|
076f82 |
+ .p2align 4,, 6
|
|
|
076f82 |
+L(last_64_bytes):
|
|
|
076f82 |
+ movdqu (%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ (%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu 16(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 16(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_16)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu -32(%rdi, %rdx), %xmm0
|
|
|
076f82 |
+ movdqu -32(%rsi, %rdx), %xmm1
|
|
|
076f82 |
+ CMPEQ %xmm0, %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_end_16)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu -16(%rdi, %rdx), %xmm0
|
|
|
076f82 |
+ movdqu -16(%rsi, %rdx), %xmm1
|
|
|
076f82 |
+ CMPEQ %xmm0, %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_end)
|
|
|
076f82 |
+ ret
|
|
|
076f82 |
|
|
|
076f82 |
+ .p2align 4
|
|
|
076f82 |
L(128bytesormore):
|
|
|
076f82 |
- cmp $512, %rdx
|
|
|
076f82 |
- ja L(512bytesormore)
|
|
|
076f82 |
cmp $256, %rdx
|
|
|
076f82 |
- ja L(less512bytes)
|
|
|
076f82 |
+ ja L(unaligned_loop)
|
|
|
076f82 |
L(less256bytes):
|
|
|
076f82 |
- sub $128, %rdx
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(16bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 16(%rdi), %xmm2
|
|
|
076f82 |
- pxor 16(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(32bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 32(%rdi), %xmm2
|
|
|
076f82 |
- pxor 32(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(48bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 48(%rdi), %xmm2
|
|
|
076f82 |
- pxor 48(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(64bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 64(%rdi), %xmm2
|
|
|
076f82 |
- pxor 64(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(80bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 80(%rdi), %xmm2
|
|
|
076f82 |
- pxor 80(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(96bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 96(%rdi), %xmm2
|
|
|
076f82 |
- pxor 96(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(112bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 112(%rdi), %xmm2
|
|
|
076f82 |
- pxor 112(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(128bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- add $128, %rsi
|
|
|
076f82 |
- add $128, %rdi
|
|
|
076f82 |
-
|
|
|
076f82 |
- cmp $64, %rdx
|
|
|
076f82 |
- jae L(less128bytes)
|
|
|
076f82 |
-
|
|
|
076f82 |
- cmp $32, %rdx
|
|
|
076f82 |
- jb L(less32bytesin128)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(16bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 16(%rdi), %xmm2
|
|
|
076f82 |
- pxor 16(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(32bytesin256)
|
|
|
076f82 |
- sub $32, %rdx
|
|
|
076f82 |
- add $32, %rdi
|
|
|
076f82 |
- add $32, %rsi
|
|
|
076f82 |
-L(less32bytesin128):
|
|
|
076f82 |
- add %rdx, %rsi
|
|
|
076f82 |
- add %rdx, %rdi
|
|
|
076f82 |
- BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
|
076f82 |
-
|
|
|
076f82 |
-L(less512bytes):
|
|
|
076f82 |
- sub $256, %rdx
|
|
|
076f82 |
- movdqu (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(16bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 16(%rdi), %xmm2
|
|
|
076f82 |
- pxor 16(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(32bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 32(%rdi), %xmm2
|
|
|
076f82 |
- pxor 32(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(48bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 48(%rdi), %xmm2
|
|
|
076f82 |
- pxor 48(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(64bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 64(%rdi), %xmm2
|
|
|
076f82 |
- pxor 64(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(80bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 80(%rdi), %xmm2
|
|
|
076f82 |
- pxor 80(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(96bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 96(%rdi), %xmm2
|
|
|
076f82 |
- pxor 96(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(112bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 112(%rdi), %xmm2
|
|
|
076f82 |
- pxor 112(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(128bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 128(%rdi), %xmm2
|
|
|
076f82 |
- pxor 128(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(144bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 144(%rdi), %xmm2
|
|
|
076f82 |
- pxor 144(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(160bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 160(%rdi), %xmm2
|
|
|
076f82 |
- pxor 160(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(176bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 176(%rdi), %xmm2
|
|
|
076f82 |
- pxor 176(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(192bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 192(%rdi), %xmm2
|
|
|
076f82 |
- pxor 192(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(208bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 208(%rdi), %xmm2
|
|
|
076f82 |
- pxor 208(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(224bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 224(%rdi), %xmm2
|
|
|
076f82 |
- pxor 224(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(240bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 240(%rdi), %xmm2
|
|
|
076f82 |
- pxor 240(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(256bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- add $256, %rsi
|
|
|
076f82 |
- add $256, %rdi
|
|
|
076f82 |
-
|
|
|
076f82 |
- cmp $128, %rdx
|
|
|
076f82 |
- jae L(less256bytes)
|
|
|
076f82 |
+ movdqu (%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ (%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu 16(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 16(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_16)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu 32(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 32(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_32)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu 48(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 48(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_48)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ addq $64, %rdi
|
|
|
076f82 |
+ addq $64, %rsi
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu (%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ (%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu 16(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 16(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_16)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu 32(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 32(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_32)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu 48(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 48(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_48)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ addq $-128, %rdx
|
|
|
076f82 |
+ subq $-64, %rsi
|
|
|
076f82 |
+ subq $-64, %rdi
|
|
|
076f82 |
|
|
|
076f82 |
cmp $64, %rdx
|
|
|
076f82 |
- jae L(less128bytes)
|
|
|
076f82 |
+ ja L(less128bytes)
|
|
|
076f82 |
|
|
|
076f82 |
cmp $32, %rdx
|
|
|
076f82 |
- jb L(less32bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(16bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 16(%rdi), %xmm2
|
|
|
076f82 |
- pxor 16(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(32bytesin256)
|
|
|
076f82 |
- sub $32, %rdx
|
|
|
076f82 |
- add $32, %rdi
|
|
|
076f82 |
- add $32, %rsi
|
|
|
076f82 |
-L(less32bytesin256):
|
|
|
076f82 |
- add %rdx, %rsi
|
|
|
076f82 |
- add %rdx, %rdi
|
|
|
076f82 |
- BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
|
076f82 |
+ ja L(last_64_bytes)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu -32(%rdi, %rdx), %xmm0
|
|
|
076f82 |
+ movdqu -32(%rsi, %rdx), %xmm1
|
|
|
076f82 |
+ CMPEQ %xmm0, %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_end_16)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu -16(%rdi, %rdx), %xmm0
|
|
|
076f82 |
+ movdqu -16(%rsi, %rdx), %xmm1
|
|
|
076f82 |
+ CMPEQ %xmm0, %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_end)
|
|
|
076f82 |
+ ret
|
|
|
076f82 |
|
|
|
076f82 |
.p2align 4
|
|
|
076f82 |
-L(512bytesormore):
|
|
|
076f82 |
+L(unaligned_loop):
|
|
|
076f82 |
# ifdef DATA_CACHE_SIZE_HALF
|
|
|
076f82 |
mov $DATA_CACHE_SIZE_HALF, %R8_LP
|
|
|
076f82 |
# else
|
|
|
076f82 |
mov __x86_data_cache_size_half(%rip), %R8_LP
|
|
|
076f82 |
# endif
|
|
|
076f82 |
- mov %r8, %r9
|
|
|
076f82 |
- shr $1, %r8
|
|
|
076f82 |
- add %r9, %r8
|
|
|
076f82 |
- cmp %r8, %rdx
|
|
|
076f82 |
- ja L(L2_L3_cache_unaglined)
|
|
|
076f82 |
+ movq %r8, %r9
|
|
|
076f82 |
+ addq %r8, %r8
|
|
|
076f82 |
+ addq %r9, %r8
|
|
|
076f82 |
+ cmpq %r8, %rdx
|
|
|
076f82 |
+ ja L(L2_L3_cache_unaligned)
|
|
|
076f82 |
sub $64, %rdx
|
|
|
076f82 |
.p2align 4
|
|
|
076f82 |
L(64bytesormore_loop):
|
|
|
076f82 |
- movdqu (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- movdqa %xmm2, %xmm1
|
|
|
076f82 |
+ movdqu (%rdi), %xmm0
|
|
|
076f82 |
+ movdqu 16(%rdi), %xmm1
|
|
|
076f82 |
+ movdqu 32(%rdi), %xmm2
|
|
|
076f82 |
+ movdqu 48(%rdi), %xmm3
|
|
|
076f82 |
|
|
|
076f82 |
- movdqu 16(%rdi), %xmm3
|
|
|
076f82 |
- pxor 16(%rsi), %xmm3
|
|
|
076f82 |
- por %xmm3, %xmm1
|
|
|
076f82 |
+ CMPEQ (%rsi), %xmm0
|
|
|
076f82 |
+ CMPEQ 16(%rsi), %xmm1
|
|
|
076f82 |
+ CMPEQ 32(%rsi), %xmm2
|
|
|
076f82 |
+ CMPEQ 48(%rsi), %xmm3
|
|
|
076f82 |
|
|
|
076f82 |
- movdqu 32(%rdi), %xmm4
|
|
|
076f82 |
- pxor 32(%rsi), %xmm4
|
|
|
076f82 |
- por %xmm4, %xmm1
|
|
|
076f82 |
+ pand %xmm0, %xmm1
|
|
|
076f82 |
+ pand %xmm2, %xmm3
|
|
|
076f82 |
+ pand %xmm1, %xmm3
|
|
|
076f82 |
|
|
|
076f82 |
- movdqu 48(%rdi), %xmm5
|
|
|
076f82 |
- pxor 48(%rsi), %xmm5
|
|
|
076f82 |
- por %xmm5, %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm3, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(64bytesormore_loop_end)
|
|
|
076f82 |
|
|
|
076f82 |
- ptest %xmm1, %xmm0
|
|
|
076f82 |
- jnc L(64bytesormore_loop_end)
|
|
|
076f82 |
add $64, %rsi
|
|
|
076f82 |
add $64, %rdi
|
|
|
076f82 |
sub $64, %rdx
|
|
|
076f82 |
- jae L(64bytesormore_loop)
|
|
|
076f82 |
+ ja L(64bytesormore_loop)
|
|
|
076f82 |
|
|
|
076f82 |
- add $64, %rdx
|
|
|
076f82 |
- add %rdx, %rsi
|
|
|
076f82 |
- add %rdx, %rdi
|
|
|
076f82 |
- BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
|
076f82 |
+ .p2align 4,, 6
|
|
|
076f82 |
+L(loop_tail):
|
|
|
076f82 |
+ addq %rdx, %rdi
|
|
|
076f82 |
+ movdqu (%rdi), %xmm0
|
|
|
076f82 |
+ movdqu 16(%rdi), %xmm1
|
|
|
076f82 |
+ movdqu 32(%rdi), %xmm2
|
|
|
076f82 |
+ movdqu 48(%rdi), %xmm3
|
|
|
076f82 |
+
|
|
|
076f82 |
+ addq %rdx, %rsi
|
|
|
076f82 |
+ movdqu (%rsi), %xmm4
|
|
|
076f82 |
+ movdqu 16(%rsi), %xmm5
|
|
|
076f82 |
+ movdqu 32(%rsi), %xmm6
|
|
|
076f82 |
+ movdqu 48(%rsi), %xmm7
|
|
|
076f82 |
+
|
|
|
076f82 |
+ CMPEQ %xmm4, %xmm0
|
|
|
076f82 |
+ CMPEQ %xmm5, %xmm1
|
|
|
076f82 |
+ CMPEQ %xmm6, %xmm2
|
|
|
076f82 |
+ CMPEQ %xmm7, %xmm3
|
|
|
076f82 |
+
|
|
|
076f82 |
+ pand %xmm0, %xmm1
|
|
|
076f82 |
+ pand %xmm2, %xmm3
|
|
|
076f82 |
+ pand %xmm1, %xmm3
|
|
|
076f82 |
+
|
|
|
076f82 |
+ pmovmskb %xmm3, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(64bytesormore_loop_end)
|
|
|
076f82 |
+ ret
|
|
|
076f82 |
|
|
|
076f82 |
-L(L2_L3_cache_unaglined):
|
|
|
076f82 |
- sub $64, %rdx
|
|
|
076f82 |
+L(L2_L3_cache_unaligned):
|
|
|
076f82 |
+ subq $64, %rdx
|
|
|
076f82 |
.p2align 4
|
|
|
076f82 |
L(L2_L3_unaligned_128bytes_loop):
|
|
|
076f82 |
prefetchnta 0x1c0(%rdi)
|
|
|
076f82 |
prefetchnta 0x1c0(%rsi)
|
|
|
076f82 |
- movdqu (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- movdqa %xmm2, %xmm1
|
|
|
076f82 |
|
|
|
076f82 |
- movdqu 16(%rdi), %xmm3
|
|
|
076f82 |
- pxor 16(%rsi), %xmm3
|
|
|
076f82 |
- por %xmm3, %xmm1
|
|
|
076f82 |
+ movdqu (%rdi), %xmm0
|
|
|
076f82 |
+ movdqu 16(%rdi), %xmm1
|
|
|
076f82 |
+ movdqu 32(%rdi), %xmm2
|
|
|
076f82 |
+ movdqu 48(%rdi), %xmm3
|
|
|
076f82 |
+
|
|
|
076f82 |
+ CMPEQ (%rsi), %xmm0
|
|
|
076f82 |
+ CMPEQ 16(%rsi), %xmm1
|
|
|
076f82 |
+ CMPEQ 32(%rsi), %xmm2
|
|
|
076f82 |
+ CMPEQ 48(%rsi), %xmm3
|
|
|
076f82 |
|
|
|
076f82 |
- movdqu 32(%rdi), %xmm4
|
|
|
076f82 |
- pxor 32(%rsi), %xmm4
|
|
|
076f82 |
- por %xmm4, %xmm1
|
|
|
076f82 |
+ pand %xmm0, %xmm1
|
|
|
076f82 |
+ pand %xmm2, %xmm3
|
|
|
076f82 |
+ pand %xmm1, %xmm3
|
|
|
076f82 |
|
|
|
076f82 |
- movdqu 48(%rdi), %xmm5
|
|
|
076f82 |
- pxor 48(%rsi), %xmm5
|
|
|
076f82 |
- por %xmm5, %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm3, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(64bytesormore_loop_end)
|
|
|
076f82 |
|
|
|
076f82 |
- ptest %xmm1, %xmm0
|
|
|
076f82 |
- jnc L(64bytesormore_loop_end)
|
|
|
076f82 |
add $64, %rsi
|
|
|
076f82 |
add $64, %rdi
|
|
|
076f82 |
sub $64, %rdx
|
|
|
076f82 |
- jae L(L2_L3_unaligned_128bytes_loop)
|
|
|
076f82 |
+ ja L(L2_L3_unaligned_128bytes_loop)
|
|
|
076f82 |
+ jmp L(loop_tail)
|
|
|
076f82 |
|
|
|
076f82 |
- add $64, %rdx
|
|
|
076f82 |
- add %rdx, %rsi
|
|
|
076f82 |
- add %rdx, %rdi
|
|
|
076f82 |
- BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
|
076f82 |
|
|
|
076f82 |
-/*
|
|
|
076f82 |
- * This case is for machines which are sensitive for unaligned instructions.
|
|
|
076f82 |
- */
|
|
|
076f82 |
+ /* This case is for machines which are sensitive for unaligned
|
|
|
076f82 |
+ * instructions. */
|
|
|
076f82 |
.p2align 4
|
|
|
076f82 |
L(2aligned):
|
|
|
076f82 |
cmp $128, %rdx
|
|
|
076f82 |
ja L(128bytesormorein2aligned)
|
|
|
076f82 |
L(less128bytesin2aligned):
|
|
|
076f82 |
- sub $64, %rdx
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(16bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 16(%rdi), %xmm2
|
|
|
076f82 |
- pxor 16(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(32bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 32(%rdi), %xmm2
|
|
|
076f82 |
- pxor 32(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(48bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 48(%rdi), %xmm2
|
|
|
076f82 |
- pxor 48(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(64bytesin256)
|
|
|
076f82 |
- cmp $32, %rdx
|
|
|
076f82 |
- jb L(less32bytesin64in2alinged)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 64(%rdi), %xmm2
|
|
|
076f82 |
- pxor 64(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(80bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 80(%rdi), %xmm2
|
|
|
076f82 |
- pxor 80(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(96bytesin256)
|
|
|
076f82 |
- sub $32, %rdx
|
|
|
076f82 |
- add $32, %rdi
|
|
|
076f82 |
- add $32, %rsi
|
|
|
076f82 |
-L(less32bytesin64in2alinged):
|
|
|
076f82 |
- add $64, %rdi
|
|
|
076f82 |
- add $64, %rsi
|
|
|
076f82 |
- add %rdx, %rsi
|
|
|
076f82 |
- add %rdx, %rdi
|
|
|
076f82 |
- BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
|
076f82 |
+ movdqa (%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ (%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqa 16(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 16(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_16)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqa 32(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 32(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_32)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqa 48(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 48(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_48)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ cmp $96, %rdx
|
|
|
076f82 |
+ jb L(32_to_64_bytes)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ addq $64, %rdi
|
|
|
076f82 |
+ addq $64, %rsi
|
|
|
076f82 |
+ subq $64, %rdx
|
|
|
076f82 |
+
|
|
|
076f82 |
+ .p2align 4,, 6
|
|
|
076f82 |
+L(aligned_last_64_bytes):
|
|
|
076f82 |
+ movdqa (%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ (%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqa 16(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 16(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_16)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu -32(%rdi, %rdx), %xmm0
|
|
|
076f82 |
+ movdqu -32(%rsi, %rdx), %xmm1
|
|
|
076f82 |
+ CMPEQ %xmm0, %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_end_16)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu -16(%rdi, %rdx), %xmm0
|
|
|
076f82 |
+ movdqu -16(%rsi, %rdx), %xmm1
|
|
|
076f82 |
+ CMPEQ %xmm0, %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_end)
|
|
|
076f82 |
+ ret
|
|
|
076f82 |
|
|
|
076f82 |
.p2align 4
|
|
|
076f82 |
L(128bytesormorein2aligned):
|
|
|
076f82 |
- cmp $512, %rdx
|
|
|
076f82 |
- ja L(512bytesormorein2aligned)
|
|
|
076f82 |
cmp $256, %rdx
|
|
|
076f82 |
- ja L(256bytesormorein2aligned)
|
|
|
076f82 |
+ ja L(aligned_loop)
|
|
|
076f82 |
L(less256bytesin2alinged):
|
|
|
076f82 |
- sub $128, %rdx
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(16bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 16(%rdi), %xmm2
|
|
|
076f82 |
- pxor 16(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(32bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 32(%rdi), %xmm2
|
|
|
076f82 |
- pxor 32(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(48bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 48(%rdi), %xmm2
|
|
|
076f82 |
- pxor 48(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(64bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 64(%rdi), %xmm2
|
|
|
076f82 |
- pxor 64(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(80bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 80(%rdi), %xmm2
|
|
|
076f82 |
- pxor 80(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(96bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 96(%rdi), %xmm2
|
|
|
076f82 |
- pxor 96(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(112bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 112(%rdi), %xmm2
|
|
|
076f82 |
- pxor 112(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(128bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- add $128, %rsi
|
|
|
076f82 |
- add $128, %rdi
|
|
|
076f82 |
+ movdqa (%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ (%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqa 16(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 16(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_16)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqa 32(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 32(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_32)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqa 48(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 48(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_48)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ addq $64, %rdi
|
|
|
076f82 |
+ addq $64, %rsi
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqa (%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ (%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqa 16(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 16(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_16)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqa 32(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 32(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_32)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqa 48(%rdi), %xmm1
|
|
|
076f82 |
+ CMPEQ 48(%rsi), %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_begin_48)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ addq $-128, %rdx
|
|
|
076f82 |
+ subq $-64, %rsi
|
|
|
076f82 |
+ subq $-64, %rdi
|
|
|
076f82 |
|
|
|
076f82 |
cmp $64, %rdx
|
|
|
076f82 |
- jae L(less128bytesin2aligned)
|
|
|
076f82 |
+ ja L(less128bytesin2aligned)
|
|
|
076f82 |
|
|
|
076f82 |
cmp $32, %rdx
|
|
|
076f82 |
- jb L(less32bytesin128in2aligned)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(16bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqu 16(%rdi), %xmm2
|
|
|
076f82 |
- pxor 16(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(32bytesin256)
|
|
|
076f82 |
- sub $32, %rdx
|
|
|
076f82 |
- add $32, %rdi
|
|
|
076f82 |
- add $32, %rsi
|
|
|
076f82 |
-L(less32bytesin128in2aligned):
|
|
|
076f82 |
- add %rdx, %rsi
|
|
|
076f82 |
- add %rdx, %rdi
|
|
|
076f82 |
- BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(256bytesormorein2aligned):
|
|
|
076f82 |
-
|
|
|
076f82 |
- sub $256, %rdx
|
|
|
076f82 |
- movdqa (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(16bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 16(%rdi), %xmm2
|
|
|
076f82 |
- pxor 16(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(32bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 32(%rdi), %xmm2
|
|
|
076f82 |
- pxor 32(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(48bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 48(%rdi), %xmm2
|
|
|
076f82 |
- pxor 48(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(64bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 64(%rdi), %xmm2
|
|
|
076f82 |
- pxor 64(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(80bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 80(%rdi), %xmm2
|
|
|
076f82 |
- pxor 80(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(96bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 96(%rdi), %xmm2
|
|
|
076f82 |
- pxor 96(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(112bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 112(%rdi), %xmm2
|
|
|
076f82 |
- pxor 112(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(128bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 128(%rdi), %xmm2
|
|
|
076f82 |
- pxor 128(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(144bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 144(%rdi), %xmm2
|
|
|
076f82 |
- pxor 144(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(160bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 160(%rdi), %xmm2
|
|
|
076f82 |
- pxor 160(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(176bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 176(%rdi), %xmm2
|
|
|
076f82 |
- pxor 176(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(192bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 192(%rdi), %xmm2
|
|
|
076f82 |
- pxor 192(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(208bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 208(%rdi), %xmm2
|
|
|
076f82 |
- pxor 208(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(224bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 224(%rdi), %xmm2
|
|
|
076f82 |
- pxor 224(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(240bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 240(%rdi), %xmm2
|
|
|
076f82 |
- pxor 240(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(256bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- add $256, %rsi
|
|
|
076f82 |
- add $256, %rdi
|
|
|
076f82 |
-
|
|
|
076f82 |
- cmp $128, %rdx
|
|
|
076f82 |
- jae L(less256bytesin2alinged)
|
|
|
076f82 |
-
|
|
|
076f82 |
- cmp $64, %rdx
|
|
|
076f82 |
- jae L(less128bytesin2aligned)
|
|
|
076f82 |
-
|
|
|
076f82 |
- cmp $32, %rdx
|
|
|
076f82 |
- jb L(less32bytesin256in2alinged)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(16bytesin256)
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 16(%rdi), %xmm2
|
|
|
076f82 |
- pxor 16(%rsi), %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(32bytesin256)
|
|
|
076f82 |
- sub $32, %rdx
|
|
|
076f82 |
- add $32, %rdi
|
|
|
076f82 |
- add $32, %rsi
|
|
|
076f82 |
-L(less32bytesin256in2alinged):
|
|
|
076f82 |
- add %rdx, %rsi
|
|
|
076f82 |
- add %rdx, %rdi
|
|
|
076f82 |
- BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
|
076f82 |
+ ja L(aligned_last_64_bytes)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu -32(%rdi, %rdx), %xmm0
|
|
|
076f82 |
+ movdqu -32(%rsi, %rdx), %xmm1
|
|
|
076f82 |
+ CMPEQ %xmm0, %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_end_16)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ movdqu -16(%rdi, %rdx), %xmm0
|
|
|
076f82 |
+ movdqu -16(%rsi, %rdx), %xmm1
|
|
|
076f82 |
+ CMPEQ %xmm0, %xmm1
|
|
|
076f82 |
+ pmovmskb %xmm1, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(vec_return_end)
|
|
|
076f82 |
+ ret
|
|
|
076f82 |
|
|
|
076f82 |
.p2align 4
|
|
|
076f82 |
-L(512bytesormorein2aligned):
|
|
|
076f82 |
+L(aligned_loop):
|
|
|
076f82 |
# ifdef DATA_CACHE_SIZE_HALF
|
|
|
076f82 |
mov $DATA_CACHE_SIZE_HALF, %R8_LP
|
|
|
076f82 |
# else
|
|
|
076f82 |
mov __x86_data_cache_size_half(%rip), %R8_LP
|
|
|
076f82 |
# endif
|
|
|
076f82 |
- mov %r8, %r9
|
|
|
076f82 |
- shr $1, %r8
|
|
|
076f82 |
- add %r9, %r8
|
|
|
076f82 |
- cmp %r8, %rdx
|
|
|
076f82 |
- ja L(L2_L3_cache_aglined)
|
|
|
076f82 |
+ movq %r8, %r9
|
|
|
076f82 |
+ addq %r8, %r8
|
|
|
076f82 |
+ addq %r9, %r8
|
|
|
076f82 |
+ cmpq %r8, %rdx
|
|
|
076f82 |
+ ja L(L2_L3_cache_aligned)
|
|
|
076f82 |
|
|
|
076f82 |
sub $64, %rdx
|
|
|
076f82 |
.p2align 4
|
|
|
076f82 |
L(64bytesormore_loopin2aligned):
|
|
|
076f82 |
- movdqa (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- movdqa %xmm2, %xmm1
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 16(%rdi), %xmm3
|
|
|
076f82 |
- pxor 16(%rsi), %xmm3
|
|
|
076f82 |
- por %xmm3, %xmm1
|
|
|
076f82 |
+ movdqa (%rdi), %xmm0
|
|
|
076f82 |
+ movdqa 16(%rdi), %xmm1
|
|
|
076f82 |
+ movdqa 32(%rdi), %xmm2
|
|
|
076f82 |
+ movdqa 48(%rdi), %xmm3
|
|
|
076f82 |
|
|
|
076f82 |
- movdqa 32(%rdi), %xmm4
|
|
|
076f82 |
- pxor 32(%rsi), %xmm4
|
|
|
076f82 |
- por %xmm4, %xmm1
|
|
|
076f82 |
+ CMPEQ (%rsi), %xmm0
|
|
|
076f82 |
+ CMPEQ 16(%rsi), %xmm1
|
|
|
076f82 |
+ CMPEQ 32(%rsi), %xmm2
|
|
|
076f82 |
+ CMPEQ 48(%rsi), %xmm3
|
|
|
076f82 |
|
|
|
076f82 |
- movdqa 48(%rdi), %xmm5
|
|
|
076f82 |
- pxor 48(%rsi), %xmm5
|
|
|
076f82 |
- por %xmm5, %xmm1
|
|
|
076f82 |
+ pand %xmm0, %xmm1
|
|
|
076f82 |
+ pand %xmm2, %xmm3
|
|
|
076f82 |
+ pand %xmm1, %xmm3
|
|
|
076f82 |
|
|
|
076f82 |
- ptest %xmm1, %xmm0
|
|
|
076f82 |
- jnc L(64bytesormore_loop_end)
|
|
|
076f82 |
+ pmovmskb %xmm3, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(64bytesormore_loop_end)
|
|
|
076f82 |
add $64, %rsi
|
|
|
076f82 |
add $64, %rdi
|
|
|
076f82 |
sub $64, %rdx
|
|
|
076f82 |
- jae L(64bytesormore_loopin2aligned)
|
|
|
076f82 |
-
|
|
|
076f82 |
- add $64, %rdx
|
|
|
076f82 |
- add %rdx, %rsi
|
|
|
076f82 |
- add %rdx, %rdi
|
|
|
076f82 |
- BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
|
076f82 |
-L(L2_L3_cache_aglined):
|
|
|
076f82 |
- sub $64, %rdx
|
|
|
076f82 |
+ ja L(64bytesormore_loopin2aligned)
|
|
|
076f82 |
+ jmp L(loop_tail)
|
|
|
076f82 |
|
|
|
076f82 |
+L(L2_L3_cache_aligned):
|
|
|
076f82 |
+ subq $64, %rdx
|
|
|
076f82 |
.p2align 4
|
|
|
076f82 |
L(L2_L3_aligned_128bytes_loop):
|
|
|
076f82 |
prefetchnta 0x1c0(%rdi)
|
|
|
076f82 |
prefetchnta 0x1c0(%rsi)
|
|
|
076f82 |
- movdqa (%rdi), %xmm2
|
|
|
076f82 |
- pxor (%rsi), %xmm2
|
|
|
076f82 |
- movdqa %xmm2, %xmm1
|
|
|
076f82 |
-
|
|
|
076f82 |
- movdqa 16(%rdi), %xmm3
|
|
|
076f82 |
- pxor 16(%rsi), %xmm3
|
|
|
076f82 |
- por %xmm3, %xmm1
|
|
|
076f82 |
+ movdqa (%rdi), %xmm0
|
|
|
076f82 |
+ movdqa 16(%rdi), %xmm1
|
|
|
076f82 |
+ movdqa 32(%rdi), %xmm2
|
|
|
076f82 |
+ movdqa 48(%rdi), %xmm3
|
|
|
076f82 |
|
|
|
076f82 |
- movdqa 32(%rdi), %xmm4
|
|
|
076f82 |
- pxor 32(%rsi), %xmm4
|
|
|
076f82 |
- por %xmm4, %xmm1
|
|
|
076f82 |
+ CMPEQ (%rsi), %xmm0
|
|
|
076f82 |
+ CMPEQ 16(%rsi), %xmm1
|
|
|
076f82 |
+ CMPEQ 32(%rsi), %xmm2
|
|
|
076f82 |
+ CMPEQ 48(%rsi), %xmm3
|
|
|
076f82 |
|
|
|
076f82 |
- movdqa 48(%rdi), %xmm5
|
|
|
076f82 |
- pxor 48(%rsi), %xmm5
|
|
|
076f82 |
- por %xmm5, %xmm1
|
|
|
076f82 |
+ pand %xmm0, %xmm1
|
|
|
076f82 |
+ pand %xmm2, %xmm3
|
|
|
076f82 |
+ pand %xmm1, %xmm3
|
|
|
076f82 |
|
|
|
076f82 |
- ptest %xmm1, %xmm0
|
|
|
076f82 |
- jnc L(64bytesormore_loop_end)
|
|
|
076f82 |
- add $64, %rsi
|
|
|
076f82 |
- add $64, %rdi
|
|
|
076f82 |
- sub $64, %rdx
|
|
|
076f82 |
- jae L(L2_L3_aligned_128bytes_loop)
|
|
|
076f82 |
-
|
|
|
076f82 |
- add $64, %rdx
|
|
|
076f82 |
- add %rdx, %rsi
|
|
|
076f82 |
- add %rdx, %rdi
|
|
|
076f82 |
- BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %rdx, 4)
|
|
|
076f82 |
+ pmovmskb %xmm3, %eax
|
|
|
076f82 |
+ incw %ax
|
|
|
076f82 |
+ jnz L(64bytesormore_loop_end)
|
|
|
076f82 |
|
|
|
076f82 |
+ addq $64, %rsi
|
|
|
076f82 |
+ addq $64, %rdi
|
|
|
076f82 |
+ subq $64, %rdx
|
|
|
076f82 |
+ ja L(L2_L3_aligned_128bytes_loop)
|
|
|
076f82 |
+ jmp L(loop_tail)
|
|
|
076f82 |
|
|
|
076f82 |
.p2align 4
|
|
|
076f82 |
L(64bytesormore_loop_end):
|
|
|
076f82 |
- add $16, %rdi
|
|
|
076f82 |
- add $16, %rsi
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(16bytes)
|
|
|
076f82 |
-
|
|
|
076f82 |
- add $16, %rdi
|
|
|
076f82 |
- add $16, %rsi
|
|
|
076f82 |
- ptest %xmm3, %xmm0
|
|
|
076f82 |
- jnc L(16bytes)
|
|
|
076f82 |
-
|
|
|
076f82 |
- add $16, %rdi
|
|
|
076f82 |
- add $16, %rsi
|
|
|
076f82 |
- ptest %xmm4, %xmm0
|
|
|
076f82 |
- jnc L(16bytes)
|
|
|
076f82 |
-
|
|
|
076f82 |
- add $16, %rdi
|
|
|
076f82 |
- add $16, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-
|
|
|
076f82 |
-L(256bytesin256):
|
|
|
076f82 |
- add $256, %rdi
|
|
|
076f82 |
- add $256, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(240bytesin256):
|
|
|
076f82 |
- add $240, %rdi
|
|
|
076f82 |
- add $240, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(224bytesin256):
|
|
|
076f82 |
- add $224, %rdi
|
|
|
076f82 |
- add $224, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(208bytesin256):
|
|
|
076f82 |
- add $208, %rdi
|
|
|
076f82 |
- add $208, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(192bytesin256):
|
|
|
076f82 |
- add $192, %rdi
|
|
|
076f82 |
- add $192, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(176bytesin256):
|
|
|
076f82 |
- add $176, %rdi
|
|
|
076f82 |
- add $176, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(160bytesin256):
|
|
|
076f82 |
- add $160, %rdi
|
|
|
076f82 |
- add $160, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(144bytesin256):
|
|
|
076f82 |
- add $144, %rdi
|
|
|
076f82 |
- add $144, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(128bytesin256):
|
|
|
076f82 |
- add $128, %rdi
|
|
|
076f82 |
- add $128, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(112bytesin256):
|
|
|
076f82 |
- add $112, %rdi
|
|
|
076f82 |
- add $112, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(96bytesin256):
|
|
|
076f82 |
- add $96, %rdi
|
|
|
076f82 |
- add $96, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(80bytesin256):
|
|
|
076f82 |
- add $80, %rdi
|
|
|
076f82 |
- add $80, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(64bytesin256):
|
|
|
076f82 |
- add $64, %rdi
|
|
|
076f82 |
- add $64, %rsi
|
|
|
076f82 |
- jmp L(16bytes)
|
|
|
076f82 |
-L(48bytesin256):
|
|
|
076f82 |
- add $16, %rdi
|
|
|
076f82 |
- add $16, %rsi
|
|
|
076f82 |
-L(32bytesin256):
|
|
|
076f82 |
- add $16, %rdi
|
|
|
076f82 |
- add $16, %rsi
|
|
|
076f82 |
-L(16bytesin256):
|
|
|
076f82 |
- add $16, %rdi
|
|
|
076f82 |
- add $16, %rsi
|
|
|
076f82 |
-L(16bytes):
|
|
|
076f82 |
- mov -16(%rdi), %rax
|
|
|
076f82 |
- mov -16(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
-L(8bytes):
|
|
|
076f82 |
- mov -8(%rdi), %rax
|
|
|
076f82 |
- mov -8(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(12bytes):
|
|
|
076f82 |
- mov -12(%rdi), %rax
|
|
|
076f82 |
- mov -12(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
-L(4bytes):
|
|
|
076f82 |
- mov -4(%rsi), %ecx
|
|
|
076f82 |
-# ifndef USE_AS_WMEMCMP
|
|
|
076f82 |
- mov -4(%rdi), %eax
|
|
|
076f82 |
- cmp %eax, %ecx
|
|
|
076f82 |
-# else
|
|
|
076f82 |
- cmp -4(%rdi), %ecx
|
|
|
076f82 |
-# endif
|
|
|
076f82 |
- jne L(diffin4bytes)
|
|
|
076f82 |
-L(0bytes):
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
-# ifndef USE_AS_WMEMCMP
|
|
|
076f82 |
-/* unreal case for wmemcmp */
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(65bytes):
|
|
|
076f82 |
- movdqu -65(%rdi), %xmm1
|
|
|
076f82 |
- movdqu -65(%rsi), %xmm2
|
|
|
076f82 |
- mov $-65, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(49bytes):
|
|
|
076f82 |
- movdqu -49(%rdi), %xmm1
|
|
|
076f82 |
- movdqu -49(%rsi), %xmm2
|
|
|
076f82 |
- mov $-49, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(33bytes):
|
|
|
076f82 |
- movdqu -33(%rdi), %xmm1
|
|
|
076f82 |
- movdqu -33(%rsi), %xmm2
|
|
|
076f82 |
- mov $-33, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(17bytes):
|
|
|
076f82 |
- mov -17(%rdi), %rax
|
|
|
076f82 |
- mov -17(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
-L(9bytes):
|
|
|
076f82 |
- mov -9(%rdi), %rax
|
|
|
076f82 |
- mov -9(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- movzbl -1(%rdi), %eax
|
|
|
076f82 |
- movzbl -1(%rsi), %edx
|
|
|
076f82 |
- sub %edx, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(13bytes):
|
|
|
076f82 |
- mov -13(%rdi), %rax
|
|
|
076f82 |
- mov -13(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- mov -8(%rdi), %rax
|
|
|
076f82 |
- mov -8(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(5bytes):
|
|
|
076f82 |
- mov -5(%rdi), %eax
|
|
|
076f82 |
- mov -5(%rsi), %ecx
|
|
|
076f82 |
- cmp %eax, %ecx
|
|
|
076f82 |
- jne L(diffin4bytes)
|
|
|
076f82 |
- movzbl -1(%rdi), %eax
|
|
|
076f82 |
- movzbl -1(%rsi), %edx
|
|
|
076f82 |
- sub %edx, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(66bytes):
|
|
|
076f82 |
- movdqu -66(%rdi), %xmm1
|
|
|
076f82 |
- movdqu -66(%rsi), %xmm2
|
|
|
076f82 |
- mov $-66, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(50bytes):
|
|
|
076f82 |
- movdqu -50(%rdi), %xmm1
|
|
|
076f82 |
- movdqu -50(%rsi), %xmm2
|
|
|
076f82 |
- mov $-50, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(34bytes):
|
|
|
076f82 |
- movdqu -34(%rdi), %xmm1
|
|
|
076f82 |
- movdqu -34(%rsi), %xmm2
|
|
|
076f82 |
- mov $-34, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(18bytes):
|
|
|
076f82 |
- mov -18(%rdi), %rax
|
|
|
076f82 |
- mov -18(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
-L(10bytes):
|
|
|
076f82 |
- mov -10(%rdi), %rax
|
|
|
076f82 |
- mov -10(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- movzwl -2(%rdi), %eax
|
|
|
076f82 |
- movzwl -2(%rsi), %ecx
|
|
|
076f82 |
- cmp %cl, %al
|
|
|
076f82 |
- jne L(end)
|
|
|
076f82 |
- and $0xffff, %eax
|
|
|
076f82 |
- and $0xffff, %ecx
|
|
|
076f82 |
- sub %ecx, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(14bytes):
|
|
|
076f82 |
- mov -14(%rdi), %rax
|
|
|
076f82 |
- mov -14(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- mov -8(%rdi), %rax
|
|
|
076f82 |
- mov -8(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(6bytes):
|
|
|
076f82 |
- mov -6(%rdi), %eax
|
|
|
076f82 |
- mov -6(%rsi), %ecx
|
|
|
076f82 |
- cmp %eax, %ecx
|
|
|
076f82 |
- jne L(diffin4bytes)
|
|
|
076f82 |
-L(2bytes):
|
|
|
076f82 |
- movzwl -2(%rsi), %ecx
|
|
|
076f82 |
- movzwl -2(%rdi), %eax
|
|
|
076f82 |
- cmp %cl, %al
|
|
|
076f82 |
- jne L(end)
|
|
|
076f82 |
- and $0xffff, %eax
|
|
|
076f82 |
- and $0xffff, %ecx
|
|
|
076f82 |
- sub %ecx, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(67bytes):
|
|
|
076f82 |
- movdqu -67(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -67(%rsi), %xmm1
|
|
|
076f82 |
- mov $-67, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(51bytes):
|
|
|
076f82 |
- movdqu -51(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -51(%rsi), %xmm1
|
|
|
076f82 |
- mov $-51, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(35bytes):
|
|
|
076f82 |
- movdqu -35(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -35(%rdi), %xmm2
|
|
|
076f82 |
- mov $-35, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(19bytes):
|
|
|
076f82 |
- mov -19(%rdi), %rax
|
|
|
076f82 |
- mov -19(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
-L(11bytes):
|
|
|
076f82 |
- mov -11(%rdi), %rax
|
|
|
076f82 |
- mov -11(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- mov -4(%rdi), %eax
|
|
|
076f82 |
- mov -4(%rsi), %ecx
|
|
|
076f82 |
- cmp %eax, %ecx
|
|
|
076f82 |
- jne L(diffin4bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(15bytes):
|
|
|
076f82 |
- mov -15(%rdi), %rax
|
|
|
076f82 |
- mov -15(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- mov -8(%rdi), %rax
|
|
|
076f82 |
- mov -8(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(7bytes):
|
|
|
076f82 |
- mov -7(%rdi), %eax
|
|
|
076f82 |
- mov -7(%rsi), %ecx
|
|
|
076f82 |
- cmp %eax, %ecx
|
|
|
076f82 |
- jne L(diffin4bytes)
|
|
|
076f82 |
- mov -4(%rdi), %eax
|
|
|
076f82 |
- mov -4(%rsi), %ecx
|
|
|
076f82 |
- cmp %eax, %ecx
|
|
|
076f82 |
- jne L(diffin4bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(3bytes):
|
|
|
076f82 |
- movzwl -3(%rdi), %eax
|
|
|
076f82 |
- movzwl -3(%rsi), %ecx
|
|
|
076f82 |
- cmp %eax, %ecx
|
|
|
076f82 |
- jne L(diffin2bytes)
|
|
|
076f82 |
-L(1bytes):
|
|
|
076f82 |
- movzbl -1(%rdi), %eax
|
|
|
076f82 |
- movzbl -1(%rsi), %ecx
|
|
|
076f82 |
- sub %ecx, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-# endif
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(68bytes):
|
|
|
076f82 |
- movdqu -68(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -68(%rsi), %xmm1
|
|
|
076f82 |
- mov $-68, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(52bytes):
|
|
|
076f82 |
- movdqu -52(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -52(%rsi), %xmm1
|
|
|
076f82 |
- mov $-52, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(36bytes):
|
|
|
076f82 |
- movdqu -36(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -36(%rsi), %xmm1
|
|
|
076f82 |
- mov $-36, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(20bytes):
|
|
|
076f82 |
- movdqu -20(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -20(%rsi), %xmm1
|
|
|
076f82 |
- mov $-20, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
- mov -4(%rsi), %ecx
|
|
|
076f82 |
-
|
|
|
076f82 |
-# ifndef USE_AS_WMEMCMP
|
|
|
076f82 |
- mov -4(%rdi), %eax
|
|
|
076f82 |
- cmp %eax, %ecx
|
|
|
076f82 |
-# else
|
|
|
076f82 |
- cmp -4(%rdi), %ecx
|
|
|
076f82 |
-# endif
|
|
|
076f82 |
- jne L(diffin4bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
-# ifndef USE_AS_WMEMCMP
|
|
|
076f82 |
-/* unreal cases for wmemcmp */
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(69bytes):
|
|
|
076f82 |
- movdqu -69(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -69(%rdi), %xmm2
|
|
|
076f82 |
- mov $-69, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(53bytes):
|
|
|
076f82 |
- movdqu -53(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -53(%rdi), %xmm2
|
|
|
076f82 |
- mov $-53, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(37bytes):
|
|
|
076f82 |
- movdqu -37(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -37(%rdi), %xmm2
|
|
|
076f82 |
- mov $-37, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(21bytes):
|
|
|
076f82 |
- movdqu -21(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -21(%rdi), %xmm2
|
|
|
076f82 |
- mov $-21, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
- mov -8(%rdi), %rax
|
|
|
076f82 |
- mov -8(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(70bytes):
|
|
|
076f82 |
- movdqu -70(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -70(%rdi), %xmm2
|
|
|
076f82 |
- mov $-70, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(54bytes):
|
|
|
076f82 |
- movdqu -54(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -54(%rdi), %xmm2
|
|
|
076f82 |
- mov $-54, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(38bytes):
|
|
|
076f82 |
- movdqu -38(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -38(%rdi), %xmm2
|
|
|
076f82 |
- mov $-38, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(22bytes):
|
|
|
076f82 |
- movdqu -22(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -22(%rdi), %xmm2
|
|
|
076f82 |
- mov $-22, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
- mov -8(%rdi), %rax
|
|
|
076f82 |
- mov -8(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(71bytes):
|
|
|
076f82 |
- movdqu -71(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -71(%rdi), %xmm2
|
|
|
076f82 |
- mov $-71, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(55bytes):
|
|
|
076f82 |
- movdqu -55(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -55(%rsi), %xmm1
|
|
|
076f82 |
- mov $-55, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(39bytes):
|
|
|
076f82 |
- movdqu -39(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -39(%rsi), %xmm1
|
|
|
076f82 |
- mov $-39, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(23bytes):
|
|
|
076f82 |
- movdqu -23(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -23(%rsi), %xmm1
|
|
|
076f82 |
- mov $-23, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
- mov -8(%rdi), %rax
|
|
|
076f82 |
- mov -8(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-# endif
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(72bytes):
|
|
|
076f82 |
- movdqu -72(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -72(%rdi), %xmm2
|
|
|
076f82 |
- mov $-72, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(56bytes):
|
|
|
076f82 |
- movdqu -56(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -56(%rsi), %xmm1
|
|
|
076f82 |
- mov $-56, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(40bytes):
|
|
|
076f82 |
- movdqu -40(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -40(%rsi), %xmm1
|
|
|
076f82 |
- mov $-40, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(24bytes):
|
|
|
076f82 |
- movdqu -24(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -24(%rsi), %xmm1
|
|
|
076f82 |
- mov $-24, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-
|
|
|
076f82 |
- mov -8(%rsi), %rcx
|
|
|
076f82 |
- mov -8(%rdi), %rax
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
-# ifndef USE_AS_WMEMCMP
|
|
|
076f82 |
-/* unreal cases for wmemcmp */
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(73bytes):
|
|
|
076f82 |
- movdqu -73(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -73(%rdi), %xmm2
|
|
|
076f82 |
- mov $-73, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(57bytes):
|
|
|
076f82 |
- movdqu -57(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -57(%rsi), %xmm1
|
|
|
076f82 |
- mov $-57, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(41bytes):
|
|
|
076f82 |
- movdqu -41(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -41(%rsi), %xmm1
|
|
|
076f82 |
- mov $-41, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(25bytes):
|
|
|
076f82 |
- movdqu -25(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -25(%rsi), %xmm1
|
|
|
076f82 |
- mov $-25, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
- mov -9(%rdi), %rax
|
|
|
076f82 |
- mov -9(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- movzbl -1(%rdi), %eax
|
|
|
076f82 |
- movzbl -1(%rsi), %ecx
|
|
|
076f82 |
- sub %ecx, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(74bytes):
|
|
|
076f82 |
- movdqu -74(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -74(%rdi), %xmm2
|
|
|
076f82 |
- mov $-74, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(58bytes):
|
|
|
076f82 |
- movdqu -58(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -58(%rsi), %xmm1
|
|
|
076f82 |
- mov $-58, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(42bytes):
|
|
|
076f82 |
- movdqu -42(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -42(%rsi), %xmm1
|
|
|
076f82 |
- mov $-42, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(26bytes):
|
|
|
076f82 |
- movdqu -26(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -26(%rsi), %xmm1
|
|
|
076f82 |
- mov $-26, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
- mov -10(%rdi), %rax
|
|
|
076f82 |
- mov -10(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- movzwl -2(%rdi), %eax
|
|
|
076f82 |
- movzwl -2(%rsi), %ecx
|
|
|
076f82 |
- jmp L(diffin2bytes)
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(75bytes):
|
|
|
076f82 |
- movdqu -75(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -75(%rdi), %xmm2
|
|
|
076f82 |
- mov $-75, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(59bytes):
|
|
|
076f82 |
- movdqu -59(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -59(%rsi), %xmm1
|
|
|
076f82 |
- mov $-59, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(43bytes):
|
|
|
076f82 |
- movdqu -43(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -43(%rsi), %xmm1
|
|
|
076f82 |
- mov $-43, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(27bytes):
|
|
|
076f82 |
- movdqu -27(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -27(%rsi), %xmm1
|
|
|
076f82 |
- mov $-27, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
- mov -11(%rdi), %rax
|
|
|
076f82 |
- mov -11(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- mov -4(%rdi), %eax
|
|
|
076f82 |
- mov -4(%rsi), %ecx
|
|
|
076f82 |
- cmp %eax, %ecx
|
|
|
076f82 |
- jne L(diffin4bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-# endif
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(76bytes):
|
|
|
076f82 |
- movdqu -76(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -76(%rdi), %xmm2
|
|
|
076f82 |
- mov $-76, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(60bytes):
|
|
|
076f82 |
- movdqu -60(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -60(%rsi), %xmm1
|
|
|
076f82 |
- mov $-60, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(44bytes):
|
|
|
076f82 |
- movdqu -44(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -44(%rsi), %xmm1
|
|
|
076f82 |
- mov $-44, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(28bytes):
|
|
|
076f82 |
- movdqu -28(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -28(%rsi), %xmm1
|
|
|
076f82 |
- mov $-28, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
- mov -12(%rdi), %rax
|
|
|
076f82 |
- mov -12(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- mov -4(%rsi), %ecx
|
|
|
076f82 |
-# ifndef USE_AS_WMEMCMP
|
|
|
076f82 |
- mov -4(%rdi), %eax
|
|
|
076f82 |
- cmp %eax, %ecx
|
|
|
076f82 |
-# else
|
|
|
076f82 |
- cmp -4(%rdi), %ecx
|
|
|
076f82 |
-# endif
|
|
|
076f82 |
- jne L(diffin4bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
-# ifndef USE_AS_WMEMCMP
|
|
|
076f82 |
-/* unreal cases for wmemcmp */
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(77bytes):
|
|
|
076f82 |
- movdqu -77(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -77(%rdi), %xmm2
|
|
|
076f82 |
- mov $-77, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(61bytes):
|
|
|
076f82 |
- movdqu -61(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -61(%rsi), %xmm1
|
|
|
076f82 |
- mov $-61, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(45bytes):
|
|
|
076f82 |
- movdqu -45(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -45(%rsi), %xmm1
|
|
|
076f82 |
- mov $-45, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(29bytes):
|
|
|
076f82 |
- movdqu -29(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -29(%rsi), %xmm1
|
|
|
076f82 |
- mov $-29, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-
|
|
|
076f82 |
- mov -13(%rdi), %rax
|
|
|
076f82 |
- mov -13(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
-
|
|
|
076f82 |
- mov -8(%rdi), %rax
|
|
|
076f82 |
- mov -8(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(78bytes):
|
|
|
076f82 |
- movdqu -78(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -78(%rdi), %xmm2
|
|
|
076f82 |
- mov $-78, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(62bytes):
|
|
|
076f82 |
- movdqu -62(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -62(%rsi), %xmm1
|
|
|
076f82 |
- mov $-62, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(46bytes):
|
|
|
076f82 |
- movdqu -46(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -46(%rsi), %xmm1
|
|
|
076f82 |
- mov $-46, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(30bytes):
|
|
|
076f82 |
- movdqu -30(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -30(%rsi), %xmm1
|
|
|
076f82 |
- mov $-30, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
- mov -14(%rdi), %rax
|
|
|
076f82 |
- mov -14(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- mov -8(%rdi), %rax
|
|
|
076f82 |
- mov -8(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(79bytes):
|
|
|
076f82 |
- movdqu -79(%rsi), %xmm1
|
|
|
076f82 |
- movdqu -79(%rdi), %xmm2
|
|
|
076f82 |
- mov $-79, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(63bytes):
|
|
|
076f82 |
- movdqu -63(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -63(%rsi), %xmm1
|
|
|
076f82 |
- mov $-63, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(47bytes):
|
|
|
076f82 |
- movdqu -47(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -47(%rsi), %xmm1
|
|
|
076f82 |
- mov $-47, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(31bytes):
|
|
|
076f82 |
- movdqu -31(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -31(%rsi), %xmm1
|
|
|
076f82 |
- mov $-31, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
- mov -15(%rdi), %rax
|
|
|
076f82 |
- mov -15(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- mov -8(%rdi), %rax
|
|
|
076f82 |
- mov -8(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-# endif
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(64bytes):
|
|
|
076f82 |
- movdqu -64(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -64(%rsi), %xmm1
|
|
|
076f82 |
- mov $-64, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(48bytes):
|
|
|
076f82 |
- movdqu -48(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -48(%rsi), %xmm1
|
|
|
076f82 |
- mov $-48, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-L(32bytes):
|
|
|
076f82 |
- movdqu -32(%rdi), %xmm2
|
|
|
076f82 |
- movdqu -32(%rsi), %xmm1
|
|
|
076f82 |
- mov $-32, %dl
|
|
|
076f82 |
- pxor %xmm1, %xmm2
|
|
|
076f82 |
- ptest %xmm2, %xmm0
|
|
|
076f82 |
- jnc L(less16bytes)
|
|
|
076f82 |
-
|
|
|
076f82 |
- mov -16(%rdi), %rax
|
|
|
076f82 |
- mov -16(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
-
|
|
|
076f82 |
- mov -8(%rdi), %rax
|
|
|
076f82 |
- mov -8(%rsi), %rcx
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
-/*
|
|
|
076f82 |
- * Aligned 8 bytes to avoid 2 branch "taken" in one 16 alinged code block.
|
|
|
076f82 |
- */
|
|
|
076f82 |
- .p2align 3
|
|
|
076f82 |
-L(less16bytes):
|
|
|
076f82 |
- movsbq %dl, %rdx
|
|
|
076f82 |
- mov (%rsi, %rdx), %rcx
|
|
|
076f82 |
- mov (%rdi, %rdx), %rax
|
|
|
076f82 |
- cmp %rax, %rcx
|
|
|
076f82 |
- jne L(diffin8bytes)
|
|
|
076f82 |
- mov 8(%rsi, %rdx), %rcx
|
|
|
076f82 |
- mov 8(%rdi, %rdx), %rax
|
|
|
076f82 |
-L(diffin8bytes):
|
|
|
076f82 |
- cmp %eax, %ecx
|
|
|
076f82 |
- jne L(diffin4bytes)
|
|
|
076f82 |
- shr $32, %rcx
|
|
|
076f82 |
- shr $32, %rax
|
|
|
076f82 |
-
|
|
|
076f82 |
+ pmovmskb %xmm0, %ecx
|
|
|
076f82 |
+ incw %cx
|
|
|
076f82 |
+ jnz L(loop_end_ret)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ pmovmskb %xmm1, %ecx
|
|
|
076f82 |
+ notw %cx
|
|
|
076f82 |
+ sall $16, %ecx
|
|
|
076f82 |
+ jnz L(loop_end_ret)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ pmovmskb %xmm2, %ecx
|
|
|
076f82 |
+ notw %cx
|
|
|
076f82 |
+ shlq $32, %rcx
|
|
|
076f82 |
+ jnz L(loop_end_ret)
|
|
|
076f82 |
+
|
|
|
076f82 |
+ addq $48, %rdi
|
|
|
076f82 |
+ addq $48, %rsi
|
|
|
076f82 |
+ movq %rax, %rcx
|
|
|
076f82 |
+
|
|
|
076f82 |
+ .p2align 4,, 6
|
|
|
076f82 |
+L(loop_end_ret):
|
|
|
076f82 |
+ bsfq %rcx, %rcx
|
|
|
076f82 |
# ifdef USE_AS_WMEMCMP
|
|
|
076f82 |
-/* for wmemcmp */
|
|
|
076f82 |
- cmp %eax, %ecx
|
|
|
076f82 |
- jne L(diffin4bytes)
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-# endif
|
|
|
076f82 |
-
|
|
|
076f82 |
-L(diffin4bytes):
|
|
|
076f82 |
-# ifndef USE_AS_WMEMCMP
|
|
|
076f82 |
- cmp %cx, %ax
|
|
|
076f82 |
- jne L(diffin2bytes)
|
|
|
076f82 |
- shr $16, %ecx
|
|
|
076f82 |
- shr $16, %eax
|
|
|
076f82 |
-L(diffin2bytes):
|
|
|
076f82 |
- cmp %cl, %al
|
|
|
076f82 |
- jne L(end)
|
|
|
076f82 |
- and $0xffff, %eax
|
|
|
076f82 |
- and $0xffff, %ecx
|
|
|
076f82 |
- sub %ecx, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(end):
|
|
|
076f82 |
- and $0xff, %eax
|
|
|
076f82 |
- and $0xff, %ecx
|
|
|
076f82 |
- sub %ecx, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
+ movl (%rdi, %rcx), %eax
|
|
|
076f82 |
+ xorl %edx, %edx
|
|
|
076f82 |
+ cmpl (%rsi, %rcx), %eax
|
|
|
076f82 |
+ setg %dl
|
|
|
076f82 |
+ leal -1(%rdx, %rdx), %eax
|
|
|
076f82 |
# else
|
|
|
076f82 |
-
|
|
|
076f82 |
-/* for wmemcmp */
|
|
|
076f82 |
- mov $1, %eax
|
|
|
076f82 |
- jl L(nequal_bigger)
|
|
|
076f82 |
- neg %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
- .p2align 4
|
|
|
076f82 |
-L(nequal_bigger):
|
|
|
076f82 |
- ret
|
|
|
076f82 |
-
|
|
|
076f82 |
-L(unreal_case):
|
|
|
076f82 |
- xor %eax, %eax
|
|
|
076f82 |
- ret
|
|
|
076f82 |
+ movzbl (%rdi, %rcx), %eax
|
|
|
076f82 |
+ movzbl (%rsi, %rcx), %ecx
|
|
|
076f82 |
+ subl %ecx, %eax
|
|
|
076f82 |
# endif
|
|
|
076f82 |
-
|
|
|
076f82 |
+ ret
|
|
|
076f82 |
END (MEMCMP)
|
|
|
076f82 |
-
|
|
|
076f82 |
- .section .rodata.sse4.1,"a",@progbits
|
|
|
076f82 |
- .p2align 3
|
|
|
076f82 |
-# ifndef USE_AS_WMEMCMP
|
|
|
076f82 |
-L(table_64bytes):
|
|
|
076f82 |
- .int JMPTBL (L(0bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(1bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(2bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(3bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(4bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(5bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(6bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(7bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(8bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(9bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(10bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(11bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(12bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(13bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(14bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(15bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(16bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(17bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(18bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(19bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(20bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(21bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(22bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(23bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(24bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(25bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(26bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(27bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(28bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(29bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(30bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(31bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(32bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(33bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(34bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(35bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(36bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(37bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(38bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(39bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(40bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(41bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(42bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(43bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(44bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(45bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(46bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(47bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(48bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(49bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(50bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(51bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(52bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(53bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(54bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(55bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(56bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(57bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(58bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(59bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(60bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(61bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(62bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(63bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(64bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(65bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(66bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(67bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(68bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(69bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(70bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(71bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(72bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(73bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(74bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(75bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(76bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(77bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(78bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(79bytes), L(table_64bytes))
|
|
|
076f82 |
-# else
|
|
|
076f82 |
-L(table_64bytes):
|
|
|
076f82 |
- .int JMPTBL (L(0bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(4bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(8bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(12bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(16bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(20bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(24bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(28bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(32bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(36bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(40bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(44bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(48bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(52bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(56bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(60bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(64bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(68bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(72bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(76bytes), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
- .int JMPTBL (L(unreal_case), L(table_64bytes))
|
|
|
076f82 |
-# endif
|
|
|
076f82 |
#endif
|