diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/strchr.S')
| -rw-r--r-- | sysdeps/x86_64/multiarch/strchr.S | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sysdeps/x86_64/multiarch/strchr.S b/sysdeps/x86_64/multiarch/strchr.S index f170238b55..4311e8689c 100644 --- a/sysdeps/x86_64/multiarch/strchr.S +++ b/sysdeps/x86_64/multiarch/strchr.S @@ -91,6 +91,10 @@ __strchr_sse42: CALL_MCOUNT testb %sil, %sil je __strend_sse4 +# ifdef __CHKP__ + bndcl (%rdi), %bnd0 + bndcu (%rdi), %bnd0 +# endif pxor %xmm2, %xmm2 movd %esi, %xmm1 movl %edi, %ecx @@ -124,6 +128,9 @@ __strchr_sse42: ja L(return_null) L(unaligned_match): addq %rdi, %rax +# ifdef __CHKP__ + bndcu (%rax), %bnd0 +# endif ret .p2align 4 @@ -135,15 +142,27 @@ L(unaligned_no_match): L(loop): addq $16, %r8 L(aligned_start): +# ifdef __CHKP__ + bndcu (%r8), %bnd0 +# endif pcmpistri $0x2, (%r8), %xmm1 jbe L(wrap) addq $16, %r8 +# ifdef __CHKP__ + bndcu (%r8), %bnd0 +# endif pcmpistri $0x2, (%r8), %xmm1 jbe L(wrap) addq $16, %r8 +# ifdef __CHKP__ + bndcu (%r8), %bnd0 +# endif pcmpistri $0x2, (%r8), %xmm1 jbe L(wrap) addq $16, %r8 +# ifdef __CHKP__ + bndcu (%r8), %bnd0 +# endif pcmpistri $0x2, (%r8), %xmm1 jbe L(wrap) jmp L(loop) @@ -159,6 +178,9 @@ L(return_null): .p2align 4 L(loop_exit): leaq (%r8,%rcx), %rax +# ifdef __CHKP__ + bndcu (%rax), %bnd0 +# endif ret cfi_endproc .size __strchr_sse42, .-__strchr_sse42 |