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Re: ia64 flush to zero mode
- To: Richard Henderson <rth at redhat dot com>
- Subject: Re: ia64 flush to zero mode
- From: Toon Moene <toon at moene dot indiv dot nluug dot nl>
- Date: Sat, 23 Jun 2001 12:26:13 +0200
- CC: gcc-patches at gcc dot gnu dot org
- Organization: Moene Computational Physics, Maartensdijk, The Netherlands
- References: <20010622143943.A7069@redhat.com>
Richard Henderson wrote:
> The following enables flush-to-zero mode (vs creating denormalized numbers)
> when linking with -ffast-math or -funsafe-math-optimizations on ia64. This
> avoids the trap to the operating system which is needed for complete IEEE
> conformance.
Would it be possible to do the same on Alpha ? I'm using a custom
6-line assembler routine to effect that (which I mailed you last
summer), but it would be nice if people could use this via a simple
compile time switch.
Thanks in advance,
--
Toon Moene - mailto:toon@moene.indiv.nluug.nl - phoneto: +31 346 214290
Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
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