Vladimir wrote: +# Disable floating-point expression contraction +LIBGCC2_FFP_CONTRAST_CFLAGS = -ffp-contract=off +
It looks like this disables fp-contract in all of libgcc... What is the the number of FMAs in libgcc before/after? If it disables anything other than the ones in complex division, it would have an unintended performance impact. It's best to do this just for complex division. Wilco
