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2009-10-16 Colin Watson <cjwatson@ubuntu.com> 

* configure.ac (TARGET_CFLAGS): Add -mno-mmx -mno-sse -mno-sse2
	-mno-3dnow on x86 architectures.  Some toolchains enable these
	features by default, but they rely on registers that aren't enabled
	in GRUB.  Thanks to Vladimir Serbinenko for the suggestion.
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cjwatson 2009-10-16 15:38:42 +00:00
parent 035f712204
commit 6f3cd880e9
2 changed files with 11 additions and 0 deletions
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7
ChangeLog
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@ -1,3 +1,10 @@
2009-10-16 Colin Watson <cjwatson@ubuntu.com>
* configure.ac (TARGET_CFLAGS): Add -mno-mmx -mno-sse -mno-sse2
-mno-3dnow on x86 architectures. Some toolchains enable these
features by default, but they rely on registers that aren't enabled
in GRUB. Thanks to Vladimir Serbinenko for the suggestion.
2009-10-15 Robert Millan <rmh.grub@aybabtu.com>
Make entry text a bit more readable.

4
configure.ac
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@ -252,6 +252,10 @@ if test "x$TARGET_CFLAGS" = x; then
else
TARGET_CFLAGS="$TARGET_CFLAGS -malign-jumps=1 -malign-loops=1 -malign-functions=1"
fi
# Some toolchains enable these features by default, but they need
# registers that aren't set up properly in GRUB.
TARGET_CFLAGS="$TARGET_CFLAGS -mno-mmx -mno-sse -mno-sse2 -mno-3dnow"
fi
# By default, GCC 4.4 generates .eh_frame sections containing unwind