diff options
Diffstat (limited to 'libc/sysdeps/x86_64/multiarch/strchr.S')
| -rw-r--r-- | libc/sysdeps/x86_64/multiarch/strchr.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libc/sysdeps/x86_64/multiarch/strchr.S b/libc/sysdeps/x86_64/multiarch/strchr.S index 686032944..f170238b5 100644 --- a/libc/sysdeps/x86_64/multiarch/strchr.S +++ b/libc/sysdeps/x86_64/multiarch/strchr.S @@ -29,6 +29,8 @@ ENTRY(strchr) jne 1f call __init_cpu_features 1: leaq __strchr_sse2(%rip), %rax + testl $bit_Slow_SSE4_2, __cpu_features+CPUID_OFFSET+index_Slow_SSE4_2(%rip) + jnz 2f testl $bit_SSE4_2, __cpu_features+CPUID_OFFSET+index_SSE4_2(%rip) jz 2f leaq __strchr_sse42(%rip), %rax |