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Re: [PATCH] Exploiting dual mode operation, implementation.
- From: Daniel Berlin <dberlin at dberlin dot org>
- To: Steven Bosscher <stevenb at suse dot de>
- Cc: Leehod Baruch <sleehodb at t2 dot technion dot ac dot il>, Leehod Baruch <LEEHOD at il dot ibm dot com>, gcc-patches at gcc dot gnu dot org, Mircea Namolaru <NAMOLARU at il dot ibm dot com>, Mostafa Hagog <MUSTAFA at il dot ibm dot com>, jh at suse dot cz
- Date: Fri, 24 Jun 2005 07:29:50 -0400 (EDT)
- Subject: Re: [PATCH] Exploiting dual mode operation, implementation.
- References: <firstname.lastname@example.org><1097839.1119610737692.SLOX.WebMail.email@example.com>
There certainly are other parts in the compiler where it can be a
problem, though most passes, AFAICT, do handle PARALLELs. But gcse PRE
I'm pretty sure this isn't true anymore.
The comments claim it is, but the code shows otherwise.
Certainly, cprop and friends don't deal with PARALLEL's, but PRE does.
See hash_scan_insn and mark_oprs_set