[IA64] -mconstant-gp gcc/as option added.

Thus gp is not saved/restored before calls, saving memory and bundles.

Signed-off-by: Tristan Gingold <tristan.gingold@bull.net>

diff --git a/xen/arch/ia64/Rules.mk b/xen/arch/ia64/Rules.mk
index 48516dea2a8bd0563c50e8942a1a593e3529f009..41d5e5e9031a0429bd9488b631ba4a0e8f3a1f02 100644 (file)
--- a/xen/arch/ia64/Rules.mk
+++ b/xen/arch/ia64/Rules.mk
@@ -6,6 +6,7 @@ ifneq ($(COMPILE_ARCH),$(TARGET_ARCH))
 CROSS_COMPILE ?= /usr/local/sp_env/v2.2.5/i686/bin/ia64-unknown-linux-
 endif
 AFLAGS  += -D__ASSEMBLY__ -nostdinc $(CPPFLAGS)
+AFLAGS  += -mconstant-gp
 CPPFLAGS  += -I$(BASEDIR)/include -I$(BASEDIR)/include/asm-ia64        \
              -I$(BASEDIR)/include/asm-ia64/linux                       \
             -I$(BASEDIR)/include/asm-ia64/linux-xen                    \
@@ -13,6 +14,7 @@ CPPFLAGS  += -I$(BASEDIR)/include -I$(BASEDIR)/include/asm-ia64       \
              -I$(BASEDIR)/arch/ia64/linux -I$(BASEDIR)/arch/ia64/linux-xen
 
 CFLAGS  += -nostdinc -fno-builtin -fno-common -fno-strict-aliasing
+CFLAGS  += -mconstant-gp
 #CFLAGS  += -O3                # -O3 over-inlines making debugging tough!
 CFLAGS  += -O2         # but no optimization causes compile errors!
 #CFLAGS  += -iwithprefix include -Wall -DMONITOR_BASE=$(MONITOR_BASE)