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Submitted By: Alexander E. Patrakov
Date: 2006-12-11
Initial Package Version: 4.1.1
Upstream Status: backport
Origin: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28621
Description: Fix crash of programs compiled with -Os -ffast-math
(affects procps on the LiveCD)
--- gcc-4.1.1/gcc/config/i386/i386.c
+++ gcc-4.1.1/gcc/config/i386/i386.c
@@ -1502,12 +1502,10 @@
}
/* Validate -mpreferred-stack-boundary= value, or provide default.
- The default of 128 bits is for Pentium III's SSE __m128, but we
- don't want additional code to keep the stack aligned when
- optimizing for code size. */
- ix86_preferred_stack_boundary = (optimize_size
- ? TARGET_64BIT ? 128 : 32
- : 128);
+ The default of 128 bits is for Pentium III's SSE __m128, We can't
+ change it because of optimize_size. Otherwise, we can't mix object
+ files compiled with -Os and -On. */
+ ix86_preferred_stack_boundary = 128;
if (ix86_preferred_stack_boundary_string)
{
i = atoi (ix86_preferred_stack_boundary_string);
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