Disable VSX usage in rtld.c to prevent TOC ref before relocs are reso…

…lved.
git-mirror · Feb 17, 2011 · 2206397 · 2206397
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diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,10 @@
+2011-02-15  Ryan S. Arnold  <rsa@us.ibm.com>
+
+	* sysdeps/powerpc/powerpc64/power7/Makefile: New file which adds
+	-mno-vsx to the CFLAGS-rtld.c variable to avoid using VSX registers and
+	insns in _dl_start to prevent a TOC reference before relocs are
+	resolved.
+
 2011-02-15  Ulrich Drepper  <drepper@gmail.com>
 
 	[BZ #12469]

diff --git a/sysdeps/powerpc/powerpc64/power7/Makefile b/sysdeps/powerpc/powerpc64/power7/Makefile
@@ -0,0 +1,5 @@
+ifeq ($(subdir),elf)
+# Prevent the use of VSX registers and insns in _dl_start, which under -O3
+# optimization may require a TOC reference before relocations are resolved.
+CFLAGS-rtld.c += -mno-vsx
+endif