[Bug tree-optimization/32586] [4.3 Regression] New VN misses FRE opportunities

2007-07-02 Thread rguenth at gcc dot gnu dot org 


--- Comment #1 from rguenth at gcc dot gnu dot org  2007-07-02 13:33 ---
I'm going to look at bringing back the tree-combining the previous FRE did.


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 AssignedTo|unassigned at gcc dot gnu   |rguenth at gcc dot gnu dot
   |dot org |org
 Status|UNCONFIRMED |ASSIGNED
 Ever Confirmed|0   |1
   Last reconfirmed|-00-00 00:00:00 |2007-07-02 13:33:41
   date||
   Target Milestone|--- |4.3.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32586

[Bug tree-optimization/32586] [4.3 Regression] New VN misses FRE opportunities

2007-08-09 Thread mmitchel at gcc dot gnu dot org 


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mmitchel at gcc dot gnu dot org changed:

   What|Removed |Added

   Priority|P3  |P2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32586

[Bug tree-optimization/32586] [4.3 Regression] New VN misses FRE opportunities

2007-09-05 Thread rguenth at gcc dot gnu dot org 


--- Comment #2 from rguenth at gcc dot gnu dot org  2007-09-05 11:26 ---
*** Bug 32845 has been marked as a duplicate of this bug. ***


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 CC||hjl at lucon dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32586

[Bug tree-optimization/32586] [4.3 Regression] New VN misses FRE opportunities

2007-09-06 Thread rguenth at gcc dot gnu dot org 


--- Comment #3 from rguenth at gcc dot gnu dot org  2007-09-06 16:05 ---
Subject: Bug 32586

Author: rguenth
Date: Thu Sep  6 16:05:32 2007
New Revision: 128189

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128189
Log:
2007-09-06  Richard Guenther  <[EMAIL PROTECTED]>

PR tree-optimization/32586
* tree-ssa-sccvn.c (simplify_binary_expression): Avoid
folding if nothing changed.
(simplify_unary_expression): New function.  Do tree combining
on conversion like codes.
(try_to_simplify): Call it.
* builtins.c (fold_builtin_cexp): Fold the built expressions.
* fold-const.c (fold_unary): Test result of get_callee_fndecl().

* g++.dg/tree-ssa/pr27090.C: Remove XFAILs.
* gcc.dg/tree-ssa/ssa-fre-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-3.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-5.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-4.c: Likewise, remove scan for
now obsolete simplification.

Modified:
trunk/gcc/ChangeLog
trunk/gcc/builtins.c
trunk/gcc/fold-const.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/g++.dg/tree-ssa/pr27090.C
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-1.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-3.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-4.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-5.c
trunk/gcc/tree-ssa-sccvn.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32586

[Bug tree-optimization/32586] [4.3 Regression] New VN misses FRE opportunities

2007-09-06 Thread rguenth at gcc dot gnu dot org 


--- Comment #4 from rguenth at gcc dot gnu dot org  2007-09-06 16:06 ---
Fixed.


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution||FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32586

[Bug tree-optimization/32586] [4.3 Regression] New VN misses FRE opportunities

2007-09-07 Thread rguenth at gcc dot gnu dot org 


--- Comment #6 from rguenth at gcc dot gnu dot org  2007-09-07 10:32 ---
Caused bootstrap miscompare on i?86.


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 Resolution|FIXED   |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32586

[Bug tree-optimization/32586] [4.3 Regression] New VN misses FRE opportunities

2007-09-07 Thread rguenth at gcc dot gnu dot org 


--- Comment #5 from rguenth at gcc dot gnu dot org  2007-09-07 10:31 ---
Subject: Bug 32586

Author: rguenth
Date: Fri Sep  7 10:31:09 2007
New Revision: 128236

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128236
Log:
2007-09-07  Richard Guenther  <[EMAIL PROTECTED]>

Revert
2007-09-06  Richard Guenther  <[EMAIL PROTECTED]>

PR tree-optimization/32586
* tree-ssa-sccvn.c (simplify_binary_expression): Avoid
folding if nothing changed.
(simplify_unary_expression): New function.  Do tree combining
on conversion like codes.
(try_to_simplify): Call it.

* g++.dg/tree-ssa/pr27090.C: Remove XFAILs.
* gcc.dg/tree-ssa/ssa-fre-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-3.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-5.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-4.c: Likewise, remove scan for
now obsolete simplification.

Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/g++.dg/tree-ssa/pr27090.C
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-1.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-3.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-4.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-5.c
trunk/gcc/tree-ssa-sccvn.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32586

[Bug tree-optimization/32586] [4.3 Regression] New VN misses FRE opportunities

2007-09-07 Thread rguenth at gcc dot gnu dot org 


--- Comment #7 from rguenth at gcc dot gnu dot org  2007-09-07 18:55 ---
Subject: Bug 32586

Author: rguenth
Date: Fri Sep  7 18:55:15 2007
New Revision: 128251

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128251
Log:
2007-09-07  Richard Guenther  <[EMAIL PROTECTED]>

PR tree-optimization/32586
* tree-ssa-sccvn.c (simplify_binary_expression): Avoid
folding if nothing changed.
(simplify_unary_expression): New function.  Do tree combining
on conversion like codes.
(try_to_simplify): Call it.

* g++.dg/tree-ssa/pr27090.C: Remove XFAILs.
* gcc.dg/tree-ssa/ssa-fre-1.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-3.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-5.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-4.c: Likewise, remove scan for
now obsolete simplification.

Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/g++.dg/tree-ssa/pr27090.C
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-1.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-3.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-4.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-5.c
trunk/gcc/tree-ssa-sccvn.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32586

[Bug tree-optimization/32586] [4.3 Regression] New VN misses FRE opportunities

2007-09-07 Thread rguenth at gcc dot gnu dot org 


--- Comment #8 from rguenth at gcc dot gnu dot org  2007-09-07 18:55 ---
Fixed again.


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rguenth at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|REOPENED|RESOLVED
 Resolution||FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32586