Force -m31/-m64 based on s390/s390x target.
Force -march=z990. The TCG backend will always require the
long-displacement facility, so the compiler may as well make
use of that as well.
Signed-off-by: Richard Henderson <r...@twiddle.net>
---
configure | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/configure b/configure
index 653c8d2..65f87a2 100755
--- a/configure
+++ b/configure
@@ -697,7 +697,12 @@ case "$cpu" in
fi
;;
s390)
- QEMU_CFLAGS="-march=z900 $QEMU_CFLAGS"
+ QEMU_CFLAGS="-m31 -march=z990 $QEMU_CFLAGS"
+ LDFLAGS="-m31 $LDFLAGS"
+ ;;
+ s390x)
+ QEMU_CFLAGS="-m64 -march=z990 $QEMU_CFLAGS"
+ LDFLAGS="-m64 $LDFLAGS"
;;
i386)
QEMU_CFLAGS="-m32 $QEMU_CFLAGS"
--
1.7.0.1
