amd64 arch and sse optimization

[Jaromír Mikeš]

Hi all,

I would like to add sse optimization for amd64 arch in some packages
(mostly LV2 nad LADSPA plugins).
I found that something like this works fine for me:

ifeq ($(DEB_HOST_ARCH_CPU),amd64)
CFLAGS += -msse -msse2 -mfpmath=sse
endif

Is it right way to use CFLAGS to add optimization flags?
Which flags could be safely added for amd64?

best regards

mira
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