aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorJan Beulich <jbeulich@suse.com>2012-01-12 16:46:54 +0100
committerJan Beulich <jbeulich@suse.com>2012-01-12 16:46:54 +0100
commitd80c4826059a6a59a1eaa268e6ce5125c90c77ea (patch)
treef4f27c87c9077bcdaad23ea08c41fbe7270ce3bb
parentc7bd6f1e688a841b3c7e97893729452f04f770e4 (diff)
downloadxen-d80c4826059a6a59a1eaa268e6ce5125c90c77ea.tar.gz
xen-d80c4826059a6a59a1eaa268e6ce5125c90c77ea.tar.bz2
xen-d80c4826059a6a59a1eaa268e6ce5125c90c77ea.zip
x86-64: globally use -mno-sse
This eliminates pointless prologue code from functions having variable argument lists (since that way xmm registers can't possibly be passed). Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Keir Fraser <keir@xen.org>
-rw-r--r--xen/arch/x86/Rules.mk2
-rw-r--r--xen/arch/x86/efi/Makefile2
2 files changed, 2 insertions, 2 deletions
diff --git a/xen/arch/x86/Rules.mk b/xen/arch/x86/Rules.mk
index bf77aef8b2..9fc6d42f9f 100644
--- a/xen/arch/x86/Rules.mk
+++ b/xen/arch/x86/Rules.mk
@@ -41,7 +41,7 @@ x86_64 := n
endif
ifeq ($(TARGET_SUBARCH),x86_64)
-CFLAGS += -mno-red-zone -fpic
+CFLAGS += -mno-red-zone -mno-sse -fpic
CFLAGS += -fno-asynchronous-unwind-tables
# -fvisibility=hidden reduces -fpic cost, if it's available
ifneq ($(call cc-option,$(CC),-fvisibility=hidden,n),n)
diff --git a/xen/arch/x86/efi/Makefile b/xen/arch/x86/efi/Makefile
index 6e3f94c208..005e3e05dd 100644
--- a/xen/arch/x86/efi/Makefile
+++ b/xen/arch/x86/efi/Makefile
@@ -1,4 +1,4 @@
-CFLAGS += -fshort-wchar -mno-sse
+CFLAGS += -fshort-wchar
obj-y += stub.o