[PR30643] restore memory cse

Alexandre Oliva aoliva@redhat.com
Tue Mar 13 09:12:00 GMT 2007


On Mar  9, 2007, Alexandre Oliva <aoliva@redhat.com> wrote:

> On Mar  9, 2007, Richard Henderson <rth@redhat.com> wrote:
>> On Fri, Mar 09, 2007 at 09:36:42AM -0300, Alexandre Oliva wrote:
>>> PR rtl-optimization/30643
>>> * cse.c (cse_insn): Recompute dest_hash after insert_regs for
>    dest_addr_elt.  <== this line was missing from the ChangeLog
   
>> Ok.

> Thanks, installed in mainline.

Steven Bosscher says it exposed a latent bug added after the initial
optimization regression was put in and the fwprop merge was brought
in.  He proposed a patch to which I added the testcase in PR 31127,
and then bootstrap and reg-tested on x86_64-linux-gnu.

Ok to install?

:ADDPATCH cse:

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-- 
Alexandre Oliva         http://www.lsd.ic.unicamp.br/~oliva/
FSF Latin America Board Member         http://www.fsfla.org/
Red Hat Compiler Engineer   aoliva@{redhat.com, gcc.gnu.org}
Free Software Evangelist  oliva@{lsd.ic.unicamp.br, gnu.org}


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