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Re: recognize x86 CPU variants and default SSE/MMX/3dNOW support
- From: Richard Henderson <rth at redhat dot com>
- To: Jan Hubicka <jh at suse dot cz>
- Cc: gcc-patches at gcc dot gnu dot org, patches at x86-64 dot org
- Date: Tue, 11 Dec 2001 09:19:58 -0800
- Subject: Re: recognize x86 CPU variants and default SSE/MMX/3dNOW support
- References: <20011211113025.E14550@atrey.karlin.mff.cuni.cz>
On Tue, Dec 11, 2001 at 11:30:25AM +0100, Jan Hubicka wrote:
> this patch adds the support for the CPU variants as discussed earlier.
We can't do this until SSE math is moved to a different switch.
> { "mmx", MASK_MMX, N_("Support MMX builtins") }, \
> ! { "no-mmx", -MASK_MMX, \
Not right. See no-aix-struct-return in rs6000.h.
> + %{mcpu=mcpu=pentium4: -D__SSE2__ }\
Duplicate.
r~