[Bug tree-optimization/17647] [4.0 regression] Missing i386 addressing modes
bonzini at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Mon Sep 27 08:52:00 GMT 2004
------- Additional Comments From bonzini at gcc dot gnu dot org 2004-09-27 08:52 -------
Confirmed, this is caused by ivopts. In principle 4.0.0's optimization should
be a good thing, but once more register pressure makes the code worse because N
is not kept in a register.
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What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Last reconfirmed|0000-00-00 00:00:00 |2004-09-27 08:52:03
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17647
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