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[Bug tree-optimization/33159] [4.3 Regression] wrong VDEF for gcc.target/i386/cmov4.c
- From: "dberlin at dberlin dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Aug 2007 14:01:44 -0000
- Subject: [Bug tree-optimization/33159] [4.3 Regression] wrong VDEF for gcc.target/i386/cmov4.c
- References: <bug-33159-7849@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from dberlin at gcc dot gnu dot org 2007-08-23 14:01 -------
Subject: Re: [4.3 Regression] wrong VDEF for gcc.target/i386/cmov4.c
On 23 Aug 2007 13:55:21 -0000, bonzini at gnu dot org
<gcc-bugzilla@gcc.gnu.org> wrote:
>
>
> ------- Comment #2 from bonzini at gnu dot org 2007-08-23 13:55 -------
> The testcase is cross-platform (at least as far as this PR and PR33158 are
> concerned).
>
> Of the four VDEFs, only the ones for SMT.8 and ARCHnodes seem correct to me.
> The "int" assignment should not cause aliasing for either the nodekind global
> (an "int *") or nodekindf (a "float *").
Uh, it's a store into an int *.
Thus it could touch nodekind.
nodekindf it can't, and i'll see what is up there.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33159