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[Bug tree-optimization/24609] [4.0/4.1/4.2 regression] Same value duplicated in two different registers
- From: "bonzini at gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Aug 2006 07:47:47 -0000
- Subject: [Bug tree-optimization/24609] [4.0/4.1/4.2 regression] Same value duplicated in two different registers
- References: <bug-24609-1313@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #13 from bonzini at gnu dot org 2006-08-25 07:47 -------
PRE is eliminating
char *d.0_6;
d.0_6 = (char *) d_1;
by turning it into
char * prephitmp.24;
d.0_6 = prephitmp.24_14;
I think that not all casts should not be subject to PRE.
--
bonzini at gnu dot org changed:
What |Removed |Added
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CC| |bonzini at gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24609