diff options
Diffstat (limited to 'libc/string/x86_64/strcpy.S')
| -rw-r--r-- | libc/string/x86_64/strcpy.S | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libc/string/x86_64/strcpy.S b/libc/string/x86_64/strcpy.S index 920d0543a..612a30d1a 100644 --- a/libc/string/x86_64/strcpy.S +++ b/libc/string/x86_64/strcpy.S @@ -53,7 +53,9 @@ ENTRY (BP_SYM (STRCPY)) /* Now the sources is aligned. Unfortunatly we cannot force to have both source and destination aligned, so ignore the alignment of the destination. */ - .p2align 4 + + /* Next 3 insns are 10 bytes total, make sure we decode them in one go */ + .p2align 4,,10 1: /* 1st unroll. */ movq (%rsi), %rax /* Read double word (8 bytes). */ @@ -130,7 +132,9 @@ ENTRY (BP_SYM (STRCPY)) /* Do the last few bytes. %rax contains the value to write. The loop is unrolled twice. */ - .p2align 4 + + /* Next 3 insns are 6 bytes total, make sure we decode them in one go */ + .p2align 3,,6 3: /* Note that stpcpy needs to return with the value of the NUL byte. */ |