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* configure.ac: Don't use extended registers on x86_64.

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Reported by: Peter Jones.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-05-07 20:42:05 +02:00
parent e56d9637ae
commit 89e0240c1c
2 changed files with 7 additions and 0 deletions
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2
configure.ac
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@ -464,7 +464,9 @@ if test "x$target_cpu" = xi386; then
else
TARGET_CFLAGS="$TARGET_CFLAGS -malign-jumps=1 -malign-loops=1 -malign-functions=1"
fi
fi
if test "x$target_cpu" = xi386 || test "x$target_cpu" = xx86_64; then
# 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"