[Bug target/53647] [4.8 Regression] gcc.c-torture/compile/20011229-1.c and gcc.c-torture/compile/pr25311.c

2012-06-12 Thread wschmidt at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53647 --- Comment #8 from Uros Bizjak 2012-06-12 19:45:56 UTC --- Alternative patch with the same functionality: --cut here-- Index: tree-ssa-phiopt.c === --- tree-ssa-phiopt.c (revisio

[Bug target/53647] [4.8 Regression] gcc.c-torture/compile/20011229-1.c and gcc.c-torture/compile/pr25311.c

2012-06-12 Thread ubizjak at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53647 --- Comment #8 from Uros Bizjak 2012-06-12 19:45:56 UTC --- Alternative patch with the same functionality: --cut here-- Index: tree-ssa-phiopt.c === --- tree-ssa-phiopt.c (revisio

[Bug target/53647] [4.8 Regression] gcc.c-torture/compile/20011229-1.c and gcc.c-torture/compile/pr25311.c

2012-06-12 Thread ubizjak at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53647 --- Comment #7 from Uros Bizjak 2012-06-12 19:40:21 UTC --- Perhaps simply: --cut here-- Index: tree-ssa-phiopt.c === --- tree-ssa-phiopt.c (revision 188475) +++ tree-ssa-phiopt.c

[Bug target/53647] [4.8 Regression] gcc.c-torture/compile/20011229-1.c and gcc.c-torture/compile/pr25311.c

2012-06-12 Thread hjl.tools at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53647 --- Comment #6 from H.J. Lu 2012-06-12 19:26:12 UTC --- We should update i386.c to have reasonable values for size of l1 cache, size of l2 cache, size of prefetch block and number of parallel prefetches, instead of 0s.

[Bug target/53647] [4.8 Regression] gcc.c-torture/compile/20011229-1.c and gcc.c-torture/compile/pr25311.c

2012-06-12 Thread wschmidt at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53647 --- Comment #5 from William J. Schmidt 2012-06-12 19:09:48 UTC --- If this is incorrect, and zero is supposed to indicate a cacheless memory (do they exist anymore?), then I can disable the adjacent-loads hoisting optimization for that case. Som

[Bug target/53647] [4.8 Regression] gcc.c-torture/compile/20011229-1.c and gcc.c-torture/compile/pr25311.c

2012-06-12 Thread wschmidt at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53647 William J. Schmidt changed: What|Removed |Added Component|middle-end |target --- Comment #4 from William J