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Re: [RFA:] Fix g77.f-torture/compile/970915-0.f, -Os verify_local_live_at_startMMIX
- From: Toon Moene <toon at moene dot indiv dot nluug dot nl>
- To: Hans-Peter Nilsson <hp at bitrange dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 16 Apr 2002 23:28:51 +0200
- Subject: Re: [RFA:] Fix g77.f-torture/compile/970915-0.f, -Os verify_local_live_at_startMMIX
- Organization: Moene Computational Physics, Maartensdijk, The Netherlands
- References: <Pine.BSF.4.30.0204160313130.92199-100000@dair.pair.com>
Hans-Peter Nilsson wrote:
> Strange is that the fortran front-end decides to do complex
> computations differently depending on -Os. Tweaking to
> consistently emit that same RTL as for -Os makes the bug
> apparent with other optimization levels.
Concious decision - the call to the complex divide routine in libf2c is
shorter than the inline expansion of the complex division.
--
Toon Moene - mailto:toon@moene.indiv.nluug.nl - phoneto: +31 346 214290
Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
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