diff options
Diffstat (limited to 'sysdeps/x86_64/memchr.S')
| -rw-r--r-- | sysdeps/x86_64/memchr.S | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/sysdeps/x86_64/memchr.S b/sysdeps/x86_64/memchr.S index a6f3ebba22..ec96365217 100644 --- a/sysdeps/x86_64/memchr.S +++ b/sysdeps/x86_64/memchr.S @@ -34,12 +34,16 @@ ENTRY(MEMCHR) mov %edi, %ecx #ifdef USE_AS_WMEMCHR - test %rdx, %rdx + test %RDX_LP, %RDX_LP jz L(return_null) - shl $2, %rdx + shl $2, %RDX_LP #else +# ifdef __ILP32__ + /* Clear the upper 32 bits. */ + movl %edx, %edx +# endif punpcklbw %xmm1, %xmm1 - test %rdx, %rdx + test %RDX_LP, %RDX_LP jz L(return_null) punpcklbw %xmm1, %xmm1 #endif |