[Bug tree-optimization/36318] SRA pessimizes struct copies without -Os

[rguenth at gcc dot gnu dot org]

--- Comment #5 from rguenth at gcc dot gnu dot org  2009-06-05 08:30 ---
Subject: Bug 36318

Author: rguenth
Date: Fri Jun  5 08:30:21 2009
New Revision: 148203

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=148203
Log:
2009-06-05  Alexander Strange 

PR tree-optimization/36318
* gcc.dg/tree-ssa/sra-7.c: New test.

Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/sra-7.c
Modified:
trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36318

[Bug tree-optimization/36318] SRA pessimizes struct copies without -Os

[astrange at ithinksw dot com]

--- Comment #4 from astrange at ithinksw dot com  2009-06-05 04:31 ---
This bug must have been weaker than I remembered it; when I used 4 char fields
instead of one char[4], 4.4 behaved properly too.

How about:
Alexander Strange http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36318

[Bug tree-optimization/36318] SRA pessimizes struct copies without -Os

[rguenth at gcc dot gnu dot org]

--- Comment #3 from rguenth at gcc dot gnu dot org  2009-05-30 09:49 ---
Can you provide a testcase suitable for inclusion in the testsuite?


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 CC||rguenth at gcc dot gnu dot
   ||org
   Target Milestone|--- |4.5.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36318

[Bug tree-optimization/36318] SRA pessimizes struct copies without -Os

[astrange at ithinksw dot com]

--- Comment #2 from astrange at ithinksw dot com  2009-05-30 00:19 ---
Fixed with new SRA:
_foo1:
subl$12, %esp
movl20(%esp), %eax
movl(%eax), %edx
movl16(%esp), %eax
movl%edx, (%eax)
addl$12, %esp
ret


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astrange at ithinksw dot com changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution||FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36318

[Bug tree-optimization/36318] SRA pessimizes struct copies without -Os

[astrange at ithinksw dot com]

--- Comment #1 from astrange at ithinksw dot com  2008-05-23 21:37 ---
Created an attachment (id=15678)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=15678&action=view)
testcase


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36318