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Re: Should -fcross-jumping be part of -O1?
- From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
- To: dewar at gnat dot com
- Cc: gcc at gcc dot gnu dot org
- Date: Wed, 3 Dec 03 10:45:33 EST
- Subject: Re: Should -fcross-jumping be part of -O1?
Well as part of this thought experiment, please consider that if each
of these five axes has three settings, then there are 3**5
combinations, which is a large number, and of course there is no
possibility of the compiler behaving in 3**5 significantly different ways.
Right now, I count about 20 different optimizations switches and
2**20 is significantly larger than 3**5!