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Re: [patch] speed up ifcvt:cond_move_convert_if_block
- From: Paolo Bonzini <bonzini at gnu dot org>
- To: Steven Bosscher <stevenb dot gcc at gmail dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Mon, 06 Aug 2012 13:07:07 +0200
- Subject: Re: [patch] speed up ifcvt:cond_move_convert_if_block
- References: <CABu31nO=qWnpy+tfrT74K9qEmMe1gPj61gyCPEWx-SY5dkkZZg@mail.gmail.com>
Il 06/08/2012 08:54, Steven Bosscher ha scritto:
> Hello,
>
> In PR54146, ifcvt spends a lot of time just clearing memory. This
> patch changes the value maps to pointer-maps to fix this issue.
>
> Bootstrapped&tested on x86_64-unknown-linux-gnu. OK?
Nice, but perhaps we need a sparsemap to do even better?
Paolo