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| author | Carmelo Amoroso <carmelo.amoroso@st.com> | 2008-06-19 06:48:05 +0000 |
|---|---|---|
| committer | Carmelo Amoroso <carmelo.amoroso@st.com> | 2008-06-19 06:48:05 +0000 |
| commit | 8b96f0d1ca80a4ba9f8b06313dac4e7a351d728d (patch) | |
| tree | aba7c0f12efda51131ffb58eea03246f27f52b13 /libc/string/x86_64/strcpy.S | |
| parent | ee82aebd10ba586d3380d6524eae98ee259b133c (diff) | |
| download | uClibc-alpine-8b96f0d1ca80a4ba9f8b06313dac4e7a351d728d.tar.bz2 uClibc-alpine-8b96f0d1ca80a4ba9f8b06313dac4e7a351d728d.tar.xz | |
Synch arch specific part of libc/string for frv/ia64/sparc/i386/powerpc/arm/avr32/x86_64/cris/bfin
Diffstat (limited to 'libc/string/x86_64/strcpy.S')
| -rw-r--r-- | libc/string/x86_64/strcpy.S | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libc/string/x86_64/strcpy.S b/libc/string/x86_64/strcpy.S index d9a51b0bb..612a30d1a 100644 --- a/libc/string/x86_64/strcpy.S +++ b/libc/string/x86_64/strcpy.S @@ -20,6 +20,8 @@ #include "_glibc_inc.h" +/* Seems to be unrolled too much */ + #ifndef USE_AS_STPCPY # define STRCPY strcpy #endif @@ -51,7 +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). */ @@ -128,7 +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. */ |