[patch] conditional store elimination

Michael Matz matz@suse.de
Tue Sep 11 12:02:00 GMT 2007


On Mon, 10 Sep 2007, Rask Ingemann Lambertsen wrote:

> On Tue, Aug 28, 2007 at 07:01:28PM +0200, Michael Matz wrote:
> > Bootstrapped and tested (all langs except ada) on x86_64-linux.
>    I get a new failure with revision 128328 that I didn't see yesterday. It
> happens on arm-unknown-elf, frv-unknown-elf, m32c-unknown-elf,
> x86_64-unknown-linux-gnu, mipsisa64-unknown-elf, sh-unknown-elf and
> v850-unknown-elf:
> FAIL: gcc.dg/tree-ssa/loadpre11.c scan-tree-dump-times Eliminated: 1 1

Strange, because I actually got the reverse result.  On trunk from before 
weekend without the patch this testcase failed, with it it didn't, that's 
why I checked it in then.  But I'll investigate, probably the testcase 
just either needs -fno-tree-cselim or an adjustment in the expected dumps.


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