diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/strcmp-avx2.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/strcmp-avx2.S | 55 |
1 files changed, 22 insertions, 33 deletions
diff --git a/sysdeps/x86_64/multiarch/strcmp-avx2.S b/sysdeps/x86_64/multiarch/strcmp-avx2.S index 8fb8eedcde..5d1c9d9018 100644 --- a/sysdeps/x86_64/multiarch/strcmp-avx2.S +++ b/sysdeps/x86_64/multiarch/strcmp-avx2.S @@ -55,6 +55,10 @@ # define VZEROUPPER vzeroupper # endif +# ifndef SECTION +# define SECTION(p) p##.avx +# endif + /* Warning! wcscmp/wcsncmp have to use SIGNED comparison for elements. strcmp/strncmp have to use UNSIGNED comparison for elements. @@ -75,7 +79,7 @@ the maximum offset is reached before a difference is found, zero is returned. */ - .section .text.avx,"ax",@progbits + .section SECTION(.text),"ax",@progbits ENTRY (STRCMP) # ifdef USE_AS_STRNCMP /* Check for simple cases (0 or 1) in offset. */ @@ -137,8 +141,8 @@ L(return): movzbl (%rsi, %rdx), %edx subl %edx, %eax # endif - VZEROUPPER - ret +L(return_vzeroupper): + ZERO_UPPER_VEC_REGISTERS_RETURN .p2align 4 L(return_vec_size): @@ -171,8 +175,7 @@ L(return_vec_size): subl %edx, %eax # endif # endif - VZEROUPPER - ret + VZEROUPPER_RETURN .p2align 4 L(return_2_vec_size): @@ -205,8 +208,7 @@ L(return_2_vec_size): subl %edx, %eax # endif # endif - VZEROUPPER - ret + VZEROUPPER_RETURN .p2align 4 L(return_3_vec_size): @@ -239,8 +241,7 @@ L(return_3_vec_size): subl %edx, %eax # endif # endif - VZEROUPPER - ret + VZEROUPPER_RETURN .p2align 4 L(next_3_vectors): @@ -366,8 +367,7 @@ L(back_to_loop): subl %edx, %eax # endif # endif - VZEROUPPER - ret + VZEROUPPER_RETURN .p2align 4 L(test_vec): @@ -410,8 +410,7 @@ L(test_vec): subl %edx, %eax # endif # endif - VZEROUPPER - ret + VZEROUPPER_RETURN .p2align 4 L(test_2_vec): @@ -454,8 +453,7 @@ L(test_2_vec): subl %edx, %eax # endif # endif - VZEROUPPER - ret + VZEROUPPER_RETURN .p2align 4 L(test_3_vec): @@ -496,8 +494,7 @@ L(test_3_vec): subl %edx, %eax # endif # endif - VZEROUPPER - ret + VZEROUPPER_RETURN .p2align 4 L(loop_cross_page): @@ -566,8 +563,7 @@ L(loop_cross_page): subl %edx, %eax # endif # endif - VZEROUPPER - ret + VZEROUPPER_RETURN .p2align 4 L(loop_cross_page_2_vec): @@ -641,8 +637,7 @@ L(loop_cross_page_2_vec): subl %edx, %eax # endif # endif - VZEROUPPER - ret + VZEROUPPER_RETURN # ifdef USE_AS_STRNCMP L(string_nbyte_offset_check): @@ -684,8 +679,7 @@ L(cross_page_loop): # ifndef USE_AS_WCSCMP L(different): # endif - VZEROUPPER - ret + VZEROUPPER_RETURN # ifdef USE_AS_WCSCMP .p2align 4 @@ -695,16 +689,14 @@ L(different): setl %al negl %eax orl $1, %eax - VZEROUPPER - ret + VZEROUPPER_RETURN # endif # ifdef USE_AS_STRNCMP .p2align 4 L(zero): xorl %eax, %eax - VZEROUPPER - ret + VZEROUPPER_RETURN .p2align 4 L(char0): @@ -718,8 +710,7 @@ L(char0): movzbl (%rdi), %eax subl %ecx, %eax # endif - VZEROUPPER - ret + VZEROUPPER_RETURN # endif .p2align 4 @@ -744,8 +735,7 @@ L(last_vector): movzbl (%rsi, %rdx), %edx subl %edx, %eax # endif - VZEROUPPER - ret + VZEROUPPER_RETURN /* Comparing on page boundary region requires special treatment: It must done one vector at the time, starting with the wider @@ -866,7 +856,6 @@ L(cross_page_4bytes): testl %eax, %eax jne L(cross_page_loop) subl %ecx, %eax - VZEROUPPER - ret + VZEROUPPER_RETURN END (STRCMP) #endif |