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Re: [i386] Question about Constraint Modifier character in smaxdf3 pattern.
- From: Marc Glisse <marc dot glisse at inria dot fr>
- To: "Kumar, Venkataramanan" <Venkataramanan dot Kumar at amd dot com>
- Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Sun, 19 Feb 2012 16:43:54 +0100 (CET)
- Subject: Re: [i386] Question about Constraint Modifier character in smaxdf3 pattern.
- References: <7794A52CE4D579448B959EED7DD0A4721A9122@sausexdag04.amd.com>
- Reply-to: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
On Sun, 19 Feb 2012, Kumar, Venkataramanan wrote:
Sphinx3 benchmark segmented when built and ran with -Ofast and -fprefecth-loop-arrays.
[...]
In my case the register 367 is sNAN.
-Ofast implies -ffast-math which implies -ffinite-math-only:
Allow optimizations for floating-point arithmetic that assume that
arguments and results are not NaNs or +-Infs.
so I am not sure what you expect exactly.
--
Marc Glisse