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| author | Ryan S. Arnold <rsa@us.ibm.com> | 2011-02-15 09:50:09 -0600 |
|---|---|---|
| committer | ryanarn <ryanarn@igoo.rchland.ibm.com> | 2011-02-15 10:06:16 -0600 |
| commit | 4265a8e3556a90e6e2ee583388d8aaa0d93cfa29 (patch) | |
| tree | 147764c9b2602872b45ee68b2d13f6fc3bf9b686 | |
| parent | c3b77b811fc7106a4cc9d491c1cc9358fb266c42 (diff) | |
| download | glibc-4265a8e3556a90e6e2ee583388d8aaa0d93cfa29.tar.gz glibc-4265a8e3556a90e6e2ee583388d8aaa0d93cfa29.tar.xz glibc-4265a8e3556a90e6e2ee583388d8aaa0d93cfa29.zip | |
Prevent VSX type TOC ref in _dl_start before relocs are resolved.
Disable VSX instruction usage in rtld.c with -mno-vsx so that, under -O3 optimization, a TOC reference isn't used for a zero constant in a VSX register prior to resolution of relocations.
| -rw-r--r-- | sysdeps/powerpc/powerpc64/power7/Makefile | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sysdeps/powerpc/powerpc64/power7/Makefile b/sysdeps/powerpc/powerpc64/power7/Makefile index 54b0fd9aee..3e8fc29dba 100644 --- a/sysdeps/powerpc/powerpc64/power7/Makefile +++ b/sysdeps/powerpc/powerpc64/power7/Makefile @@ -1,6 +1,5 @@ ifeq ($(subdir),elf) -# Prevent the use of VSX instructions in _dl_start, which under -O3 optimization +# Prevent the use of VSX registers in _dl_start, which under -O3 optimization # may require a TOC reference before relocations are resolved. CFLAGS-rtld.c = -mno-vsx endif - |