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Re: [PATCH] PowerPC64 - Disable VSX usage in rtld.c to prevent TOC ref before relocs are resolved.
- From: Andreas Schwab <schwab at linux-m68k dot org>
- To: rsa at us dot ibm dot com
- Cc: GNU C Library <libc-alpha at sourceware dot org>
- Date: Tue, 15 Feb 2011 23:59:57 +0100
- Subject: Re: [PATCH] PowerPC64 - Disable VSX usage in rtld.c to prevent TOC ref before relocs are resolved.
- References: <1297803814.9113.383.camel@localhost.localdomain>
Ryan Arnold <rsa@us.ibm.com> writes:
> diff --git a/sysdeps/powerpc/powerpc64/power7/Makefile b/sysdeps/powerpc/powerpc64/power7/Makefile
> new file mode 100644
> index 0000000..54b0fd9
> --- /dev/null
> +++ 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
Please use +=.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
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