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Dumping branch predictions made by gcc
- From: saikatd <saikatdutta dot pro2011 at gmail dot com>
- To: gcc-help at gcc dot gnu dot org
- Date: Sat, 1 Nov 2014 01:49:15 -0700 (PDT)
- Subject: Dumping branch predictions made by gcc
- Authentication-results: sourceware.org; auth=none
Hi, I am working on a project on profile based branch predictions. I want to
know whether gcc dumps the branch predictions it made based on profiles or
heuristics? I know gcc outputs the .gcda files when -fprofile-arcs is used.
But I am interested on how gcc uses them and what predictions does it make
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