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

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID 6ccf98fcd9de99fc42401b02cf1bf4f4a4d2cbac
# Parent  ccde0eab25458c9a15f660c87d36ae0cc1637da2
[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@xxxxxxxx>

diff -r ccde0eab2545 -r 6ccf98fcd9de xen/arch/ia64/Rules.mk
--- a/xen/arch/ia64/Rules.mk    Fri Mar 17 21:21:56 2006
+++ b/xen/arch/ia64/Rules.mk    Fri Mar 17 21:23:43 2006
@@ -6,6 +6,7 @@
 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$(BASEDIR)/include/asm-ia64/linux-xen                    \
@@ -13,6 +14,7 @@
              -I$(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)

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