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@@ -179,11 +179,15 @@ PIEFLAG_NAME:=-fPIE
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ifeq ($(TARGET_ARCH),i386)
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OPTIMIZATION+=$(call check_gcc,-fomit-frame-pointer,)
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+ifeq ($(CONFIG_386)$(CONFIG_486)$(CONFIG_586)$(CONFIG_586MMX),y)
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+ # Non-SSE capable processor.
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# NB: this may make SSE insns segfault!
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# -O1 -march=pentium3, -Os -msse etc are known to be affected.
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- # TODO: conditionally bump to 4
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- # (see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13685)
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+ # See http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13685
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+ OPTIMIZATION+=$(call check_gcc,-mpreferred-stack-boundary=2,)
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+else
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OPTIMIZATION+=$(call check_gcc,-mpreferred-stack-boundary=4,)
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+endif
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# Choice of alignment (please document why!)
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# -falign-labels: in-line labels
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