On 4 July 2011 23:00, Raghavendra D Prabhu <raghu.prabhu13@xxxxxxxxx> wrote: > This is to avoid gcc optimizating out the comparison in assert, > due to assumption of signed overflow being undefined by default (-Werror=strict-overflow). >--- a/Makefile.hw >+++ b/Makefile.hw >@@ -9,7 +9,7 @@ include $(SRC_PATH)/rules.mak > > $(call set-vpath, $(SRC_PATH):$(SRC_PATH)/hw) > > -QEMU_CFLAGS+=-I.. -I$(SRC_PATH)/fpu > +QEMU_CFLAGS+=-I.. -I$(SRC_PATH)/fpu -fno-strict-overflow Can you give a more detailed description of the problem this is trying to solve? I think it would be nicer if we could remove the assumptions about signed overflows instead, if that's practical. (Also, if we do want to add this compiler flag then it ought to be done in configure I think, as we do for -fno-strict-aliasing.) -- PMM -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
