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[Bug tree-optimization/17549] [4.0 Regression] 10% increase in codesize with C code compared to GCC 3.3
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 10 Feb 2005 21:11:16 -0000
- Subject: [Bug tree-optimization/17549] [4.0 Regression] 10% increase in codesize with C code compared to GCC 3.3
- References: <20040918113641.17549.miguel55angel@hotmail.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-02-10 21:11 -------
(In reply to comment #37)
> So for ppc this bug is still not fixed even with my patch. Interesting data
> point is the ppc32 size with -Os -fno-ivopts:
> 2820 0 0 2820 b04 no-ivopts.o
>
> So perhaps the pending IVopts patches will also help for this problem.
I bet the problem here for PPC is the same as 18219 where we generate more than one IV.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17549