[Bug middle-end/61010] [4.8 Regression] Infinite recursion in fold

2014-09-09 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61010

Richard Biener  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
  Known to work|4.10.0  |4.8.4, 5.0
 Resolution|--- |FIXED
  Known to fail|4.8.2   |4.8.3

--- Comment #14 from Richard Biener  ---
Fixed.

[Bug middle-end/61010] [4.8 Regression] Infinite recursion in fold

2014-09-09 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61010

--- Comment #13 from Richard Biener  ---
Author: rguenth
Date: Tue Sep  9 13:17:51 2014
New Revision: 215073

URL: https://gcc.gnu.org/viewcvs?rev=215073&root=gcc&view=rev
Log:
2014-09-09  Richard Biener  

Backport from mainline
2014-05-05  Richard Biener  

PR middle-end/61010
* fold-const.c (fold_binary_loc): Consistently avoid
canonicalizing X & CST away from a CST that is the mask
of a mode.

* gcc.dg/torture/pr61010.c: New testcase.

2014-05-28  Richard Biener  

PR middle-end/61045
* fold-const.c (fold_comparison): When folding
X +- C1 CMP Y +- C2 to X CMP Y +- C2 +- C1 also ensure
the sign of the remaining constant operand stays the same.

* gcc.dg/pr61045.c: New testcase.

2014-08-11  Richard Biener  

PR tree-optimization/62075
* tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Properly
handle uses in patterns.

* gcc.dg/vect/pr62075.c: New testcase.

Added:
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/pr61045.c
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/torture/pr61010.c
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/vect/pr62075.c
Modified:
branches/gcc-4_8-branch/gcc/ChangeLog
branches/gcc-4_8-branch/gcc/fold-const.c
branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
branches/gcc-4_8-branch/gcc/tree-vect-slp.c

[Bug middle-end/61010] [4.8 Regression] Infinite recursion in fold

2014-05-28 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61010

--- Comment #12 from Richard Biener  ---
Author: rguenth
Date: Wed May 28 12:46:39 2014
New Revision: 211019

URL: http://gcc.gnu.org/viewcvs?rev=211019&root=gcc&view=rev
Log:
2014-05-28  Richard Biener  

Backport from mainline
2014-05-28  Richard Biener  

PR middle-end/61045
* fold-const.c (fold_comparison): When folding
X +- C1 CMP Y +- C2 to X CMP Y +- C2 +- C1 also ensure
the sign of the remaining constant operand stays the same.

* gcc.dg/pr61045.c: New testcase.

2014-05-05  Richard Biener  

PR middle-end/61010
* fold-const.c (fold_binary_loc): Consistently avoid
canonicalizing X & CST away from a CST that is the mask
of a mode.

* gcc.dg/torture/pr61010.c: New testcase.

2014-04-28  Richard Biener  

PR tree-optimization/60979
* graphite-scop-detection.c (scopdet_basic_block_info): Reject
SCOPs that end in a block with a successor with abnormal
predecessors.

* gcc.dg/graphite/pr60979.c: New testcase.

Added:
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/graphite/pr60979.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/pr61045.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr61010.c
Modified:
branches/gcc-4_9-branch/gcc/ChangeLog
branches/gcc-4_9-branch/gcc/fold-const.c
branches/gcc-4_9-branch/gcc/graphite-scop-detection.c
branches/gcc-4_9-branch/gcc/testsuite/ChangeLog