diff options
Diffstat (limited to 'sysdeps/x86_64/strlen.S')
| -rw-r--r-- | sysdeps/x86_64/strlen.S | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sysdeps/x86_64/strlen.S b/sysdeps/x86_64/strlen.S index eeb1092218..065f0e6d56 100644 --- a/sysdeps/x86_64/strlen.S +++ b/sysdeps/x86_64/strlen.S @@ -63,6 +63,10 @@ L(n_nonzero): mov %rsi, %r11 #endif +#ifdef __CHKP__ + bndcl (%rdi), %bnd0 + bndcu (%rdi), %bnd0 +#endif pxor %xmm8, %xmm8 pxor %xmm9, %xmm9 pxor %xmm10, %xmm10 @@ -157,6 +161,9 @@ L(loop_init): L(loop): addq $64, %rax +# ifdef __CHKP__ + bndcu (%rax), %bnd0 +# endif cmpq %rax, %r10 je L(exit_end) @@ -182,6 +189,9 @@ L(first): bsfq %rdx, %rdx addq %rdx, %rax subq %rdi, %rax +# ifdef __CHKP__ + bndcu -1(%rdi, %rax), %bnd0 +# endif ret .p2align 4 @@ -192,6 +202,9 @@ L(exit): bsfq %rdx, %rdx addq %rdx, %rax subq %rdi, %rax +# ifdef __CHKP__ + bndcu -1(%rdi, %rax), %bnd0 +# endif ret #else @@ -199,6 +212,9 @@ L(exit): /* Main loop. Unrolled twice to improve L2 cache performance on core2. */ .p2align 4 L(loop): +# ifdef __CHKP__ + bndcu 64(%rax), %bnd0 +# endif movdqa 64(%rax), %xmm8 pminub 80(%rax), %xmm8 @@ -231,6 +247,9 @@ L(exit0): bsfq %rdx, %rdx addq %rdx, %rax subq %rdi, %rax +# ifdef __CHKP__ + bndcu -1(%rdi, %rax), %bnd0 +# endif ret #endif |