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Re: Deletion of trivial insn during IRA
- From: Ian Lance Taylor <iant at google dot com>
- To: paulo at matos-sorge dot com (Paulo J. Matos)
- Cc: gcc at gcc dot gnu dot org
- Date: Mon, 03 Oct 2011 13:24:15 -0700
- Subject: Re: Deletion of trivial insn during IRA
- References: <86ehyub9zy.fsf@pm18pc01.europe.root.pri>
paulo@matos-sorge.com (Paulo J. Matos) writes:
> I am trying to find where IRA, is deleting trivial insn like:
> (set r1 r1)
Search for "Discard obvious no-ops" in the function reload in the file
gcc/reload1.c.
Ian