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Commit cde05cf2 authored by Hirokazu Takata's avatar Hirokazu Takata Committed by Linus Torvalds
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[PATCH] m32r: enable asm code optimization 



Add -O2 option to AFLAGS to enable asm code optimization for m32r.

On m32r gas, "-m32r2 -O" option enables assembler's parallel code
generation optimization for M32R2 ISA as a default.  So, "-no-parallel"
option is required explicitly for a cpu core with single instuction
issuing, for example, VDEC2.

Signed-off-by: default avatarHirokazu Takata <takata@linux-m32r.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent f52ee141

arch/m32r/Makefile

+3 −3
Original line number Diff line number Diff line
@@ -12,14 +12,14 @@ CFLAGS_MODULE += -mmodel=large 


ifdef CONFIG_CHIP_VDEC2

cflags-$(CONFIG_ISA_M32R2)	+= -DNO_FPU -Wa,-bitinst

aflags-$(CONFIG_ISA_M32R2)	+= -DNO_FPU -Wa,-bitinst

aflags-$(CONFIG_ISA_M32R2)	+= -DNO_FPU -O2 -Wa,-bitinst -Wa,-no-parallel

else

cflags-$(CONFIG_ISA_M32R2)	+= -DNO_FPU -m32r2

aflags-$(CONFIG_ISA_M32R2)	+= -DNO_FPU -m32r2

aflags-$(CONFIG_ISA_M32R2)	+= -DNO_FPU -m32r2 -O2

endif



cflags-$(CONFIG_ISA_M32R)	+= -DNO_FPU

aflags-$(CONFIG_ISA_M32R)	+= -DNO_FPU -Wa,-no-bitinst

aflags-$(CONFIG_ISA_M32R)	+= -DNO_FPU -O2 -Wa,-no-bitinst



CFLAGS += $(cflags-y)

AFLAGS += $(aflags-y)