diff options
| author | H.J. Lu <hongjiu.lu@intel.com> | 2010-02-17 23:01:55 -0800 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2010-02-17 23:01:55 -0800 |
| commit | 020ecba7fc0cde6febac28e114a56f9eb47dc871 (patch) | |
| tree | d8ed0b75cf972805e5e52033301f7ae7be825d70 /sysdeps | |
| parent | c60bce2cdd757a96077f2ff0147619abacfabfbb (diff) | |
Align x86 memcmp-sse4.S and fix unwind info.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/i386/i686/multiarch/memcmp-sse4.S | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/sysdeps/i386/i686/multiarch/memcmp-sse4.S b/sysdeps/i386/i686/multiarch/memcmp-sse4.S index 71c4e1c337..b1ed778f1f 100644 --- a/sysdeps/i386/i686/multiarch/memcmp-sse4.S +++ b/sysdeps/i386/i686/multiarch/memcmp-sse4.S @@ -96,8 +96,9 @@ ENTRY (MEMCMP) add %ecx, %edx add %ecx, %eax BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %ecx, 4) -L(less8bytes): + ALIGN (4) +L(less8bytes): mov (%eax), %bl cmpb (%edx), %bl jne L(nonzero) @@ -154,7 +155,6 @@ L(0bytes): POP (%ebx) xor %eax, %eax ret - CFI_PUSH (%ebx) ALIGN (4) L(less1bytes): @@ -207,6 +207,8 @@ L(64bytesormore_loop): add %ecx, %edx add %ecx, %eax BRANCH_TO_JMPTBL_ENTRY(L(table_64bytes), %ecx, 4) + + ALIGN (4) L(find_16diff): sub $16, %ecx L(find_32diff): @@ -217,8 +219,8 @@ L(find_64diff): add %ecx, %edx add %ecx, %eax jmp L(16bytes) - ALIGN (4) + ALIGN (4) L(16bytes): mov -16(%eax), %ecx mov -16(%edx), %ebx @@ -377,7 +379,7 @@ L(1bytes): jne L(end) RETURN - + ALIGN (4) L(52bytes): movdqu -52(%eax), %xmm1 movdqu -52(%edx), %xmm2 @@ -406,6 +408,7 @@ L(20bytes): jne L(find_diff) RETURN + ALIGN (4) L(53bytes): movdqu -53(%eax), %xmm1 movdqu -53(%edx), %xmm2 @@ -437,6 +440,7 @@ L(21bytes): jne L(end) RETURN + ALIGN (4) L(54bytes): movdqu -54(%eax), %xmm1 movdqu -54(%edx), %xmm2 @@ -472,6 +476,7 @@ L(22bytes): jne L(end) RETURN + ALIGN (4) L(55bytes): movdqu -55(%eax), %xmm1 movdqu -55(%edx), %xmm2 @@ -509,6 +514,7 @@ L(23bytes): jne L(end) RETURN + ALIGN (4) L(56bytes): movdqu -56(%eax), %xmm1 movdqu -56(%edx), %xmm2 @@ -543,6 +549,7 @@ L(24bytes): jne L(find_diff) RETURN + ALIGN (4) L(57bytes): movdqu -57(%eax), %xmm1 movdqu -57(%edx), %xmm2 @@ -578,6 +585,7 @@ L(25bytes): jne L(end) RETURN + ALIGN (4) L(58bytes): movdqu -58(%eax), %xmm1 movdqu -58(%edx), %xmm2 @@ -619,6 +627,7 @@ L(26bytes): jne L(end) RETURN + ALIGN (4) L(59bytes): movdqu -59(%eax), %xmm1 movdqu -59(%edx), %xmm2 @@ -660,6 +669,7 @@ L(27bytes): jne L(end) RETURN + ALIGN (4) L(60bytes): movdqu -60(%eax), %xmm1 movdqu -60(%edx), %xmm2 @@ -696,6 +706,7 @@ L(28bytes): jne L(find_diff) RETURN + ALIGN (4) L(61bytes): movdqu -61(%eax), %xmm1 movdqu -61(%edx), %xmm2 @@ -738,6 +749,7 @@ L(29bytes): jne L(end) RETURN + ALIGN (4) L(62bytes): movdqu -62(%eax), %xmm1 movdqu -62(%edx), %xmm2 @@ -780,6 +792,7 @@ L(30bytes): jne L(end) RETURN + ALIGN (4) L(63bytes): movdqu -63(%eax), %xmm1 movdqu -63(%edx), %xmm2 @@ -826,6 +839,7 @@ L(31bytes): jne L(end) RETURN + ALIGN (4) L(64bytes): movdqu -64(%eax), %xmm1 movdqu -64(%edx), %xmm2 @@ -870,6 +884,7 @@ L(32bytes): jne L(find_diff) RETURN + ALIGN (4) L(less16bytes): add %ebx, %eax add %ebx, %edx @@ -914,8 +929,11 @@ L(end): neg %eax L(bigger): ret +END (MEMCMP) + .section .rodata.sse4.2,"a",@progbits ALIGN (2) + .type L(table_64bytes), @object L(table_64bytes): .int JMPTBL (L(0bytes), L(table_64bytes)) .int JMPTBL (L(1bytes), L(table_64bytes)) @@ -982,7 +1000,5 @@ L(table_64bytes): .int JMPTBL (L(62bytes), L(table_64bytes)) .int JMPTBL (L(63bytes), L(table_64bytes)) .int JMPTBL (L(64bytes), L(table_64bytes)) - -END (MEMCMP) - + .size L(table_64bytes), .-L(table_64bytes) #endif |