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Re: [PATCH] Overhaul __builtin_constant_p processing (take 2)
- From: Roger Sayle <roger at www dot eyesopen dot com>
- To: Mike Stump <mstump at apple dot com>
- Cc: Richard Henderson <rth at redhat dot com>, <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 22 Jan 2003 12:18:46 -0700 (MST)
- Subject: Re: [PATCH] Overhaul __builtin_constant_p processing (take 2)
On Wed, 22 Jan 2003, Mike Stump wrote:
> So, the question is, Roger, is there a way to put in a check on -O0,
> and avoid any costly work?
I believe that the call to purge_builtin_constant_p can be conditionalized
on flag_gcse. I'll re-run a bootstrap and regression test, and post a
"(take 3)". It won't help bootstrap times, but will avoid any overhead
at -O0 and -O1.
Roger
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