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[Bug rtl-optimization/33669] [4.3 Regression] Revision 128957 miscompiles 481.wrf
- From: "zadeck at naturalbridge dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Oct 2007 04:11:57 -0000
- Subject: [Bug rtl-optimization/33669] [4.3 Regression] Revision 128957 miscompiles 481.wrf
- References: <bug-33669-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from zadeck at naturalbridge dot com 2007-10-06 04:11 -------
Subject: Re: [4.3 Regression] Revision 128957
miscompiles 481.wrf
hjl at lucon dot org wrote:
> ------- Comment #5 from hjl at lucon dot org 2007-10-06 02:07 -------
> Kenny, does your patch
>
> http://gcc.gnu.org/ml/gcc-patches/2007-10/msg00124.html
>
> handle cases where number of consecutive hard regs needed to hold some mode > 1
> correctly? IA32 needs 2 hard registers to hold long long and your patch
> miscompiles the testcase in comment #4.
>
>
>
I will look into it. It should do this correctly.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33669