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[POWERPC] Always use -mno-string

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The string load/store instructions are unimplemented on some processors
and slow (microcoded) on some others.  It's simplest to just not use
them at all.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Benjamin Herrenschmidt 2007-03-22 17:23:44 +11:00 committed by Paul Mackerras
parent f13659e0b3
commit 57647a4dad
1 changed files with 3 additions and 3 deletions
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6
arch/powerpc/Makefile
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@ -102,9 +102,9 @@ CFLAGS += $(call cc-option,-mno-altivec)
# kernel considerably.
CFLAGS += $(call cc-option,-funit-at-a-time)
ifndef CONFIG_FSL_BOOKE
CFLAGS += -mstring
endif
# Never use string load/store instructions as they are
# often slow when they are implemented at all
CFLAGS += -mno-string
ifeq ($(CONFIG_6xx),y)
CFLAGS += -mcpu=powerpc