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sh: Don't let SH-4A clobber SH-4 CFLAGS.

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Older compilers don't support the -m4a{,nofpu} flags, which has the
side-effect of allowing FP operations to be emitted. Switch this to
incremental tuning, so we at least have -m4-nofpu as a fallback for
the gcc3 toolchains.

Without this, certain modules emit references to __udivsi3_i4 and
__sdivsi3_i4.

Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt
2007-07-12 09:48:54 +09:00
parent 1b898040e2
commit aab1b16a61
1 changed files with 2 additions and 2 deletions
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arch/sh/Makefile
+2 -2
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@@ -35,12 +35,12 @@ endif
endif
cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
cflags-$(CONFIG_CPU_SH2A) := $(call cc-option,-m2a,) \
cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
$(call cc-option,-m2a-nofpu,)
cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
$(call cc-option,-mno-implicit-fp,-m4-nofpu)
cflags-$(CONFIG_CPU_SH4A) := $(call cc-option,-m4a,) \
cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
$(call cc-option,-m4a-nofpu,)
cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb