diff options
Diffstat (limited to 'sysdeps/i386/i686/multiarch/wcsrchr-sse2.S')
| -rw-r--r-- | sysdeps/i386/i686/multiarch/wcsrchr-sse2.S | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sysdeps/i386/i686/multiarch/wcsrchr-sse2.S b/sysdeps/i386/i686/multiarch/wcsrchr-sse2.S index d31e48e43f..f7c70e6de8 100644 --- a/sysdeps/i386/i686/multiarch/wcsrchr-sse2.S +++ b/sysdeps/i386/i686/multiarch/wcsrchr-sse2.S @@ -36,12 +36,23 @@ # define STR1 PARMS # define STR2 STR1+4 +# ifdef __CHKP__ +# undef RETURN +# define RETURN bndcu (%eax),%bnd0; \ + POP (%edi); ret; CFI_PUSH (%edi); +# endif + atom_text_section ENTRY (__wcsrchr_sse2) ENTRANCE mov STR1(%esp), %ecx movd STR2(%esp), %xmm1 +# ifdef __CHKP__ + bndldx STR1(%esp,%ecx,1), %bnd0 + bndcl (%ecx),%bnd0 + bndcu (%ecx),%bnd0 +# endif mov %ecx, %edi punpckldq %xmm1, %xmm1 @@ -137,6 +148,9 @@ L(unaligned_match): /* Loop start on aligned string. */ .p2align 4 L(loop): +# ifdef __CHKP__ + bndcu (%edi),%bnd0 +# endif movdqa (%edi), %xmm0 pcmpeqd %xmm0, %xmm2 add $16, %edi @@ -146,6 +160,9 @@ L(loop): or %eax, %ecx jnz L(matches) +# ifdef __CHKP__ + bndcu (%edi),%bnd0 +# endif movdqa (%edi), %xmm3 pcmpeqd %xmm3, %xmm2 add $16, %edi @@ -155,6 +172,9 @@ L(loop): or %eax, %ecx jnz L(matches) +# ifdef __CHKP__ + bndcu (%edi),%bnd0 +# endif movdqa (%edi), %xmm4 pcmpeqd %xmm4, %xmm2 add $16, %edi @@ -164,6 +184,9 @@ L(loop): or %eax, %ecx jnz L(matches) +# ifdef __CHKP__ + bndcu (%edi),%bnd0 +# endif movdqa (%edi), %xmm5 pcmpeqd %xmm5, %xmm2 add $16, %edi |