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author | Andrew Pinski <pinskia@gcc.gnu.org> | 2006-09-06 21:24:24 -0700 |
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committer | Andrew Pinski <pinskia@gcc.gnu.org> | 2006-09-06 21:24:24 -0700 |
commit | b5b84a7f46e8baead0f3d7b62d59659d83d67271 (patch) | |
tree | dabac1e6add1ad67f425c5273286eec14a5b9a35 | |
parent | aa4f41c1d57b1d533650672d5bcf2e40fffbf0f1 (diff) | |
download | gcc-b5b84a7f46e8baead0f3d7b62d59659d83d67271.zip gcc-b5b84a7f46e8baead0f3d7b62d59659d83d67271.tar.gz gcc-b5b84a7f46e8baead0f3d7b62d59659d83d67271.tar.bz2 |
[multiple changes]
2006-09-06 James E Wilson <wilson@specifix.com>
PR rtl-opt/27883
* flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
then call count_or_remove_death_notes.
2006-09-06 Andrew Pinski <pinskia@physics.uc.edu>
PR rtl-opt/27883
* g++.dg/opt/copysign-1.C: New test.
From-SVN: r116739
-rw-r--r-- | gcc/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/flow.c | 11 | ||||
-rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/testsuite/g++.dg/opt/copysign-1.C | 10 |
4 files changed, 32 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dd11014..580bf89 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2006-09-06 James E Wilson <wilson@specifix.com> + + PR rtl-opt/27883 + * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES + then call count_or_remove_death_notes. + 2006-09-06 Jason Merrill <jason@redhat.com> PR c++/27371 @@ -647,6 +647,17 @@ update_life_info (sbitmap blocks, enum update_life_extent extent, count_or_remove_death_notes (blocks, prop_flags & PROP_POST_REGSTACK ? -1 : 1); } + else + { + /* FIXME: This can go when the dataflow branch has been merged in. */ + /* For a local update, if we are creating new REG_DEAD notes, then we + must delete the old ones first to avoid conflicts if they are + different. */ + if (prop_flags & PROP_DEATH_NOTES) + count_or_remove_death_notes (blocks, + prop_flags & PROP_POST_REGSTACK ? -1 : 1); + } + /* Clear log links in case we are asked to (re)compute them. */ if (prop_flags & PROP_LOG_LINKS) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 6e7bd99..0e052be 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2006-09-06 Andrew Pinski <pinskia@physics.uc.edu> + + PR rtl-opt/27883 + * g++.dg/opt/copysign-1.C: New test. + 2006-09-06 Mark Mitchell <mark@codesourcery.com> PR c++/28903 diff --git a/gcc/testsuite/g++.dg/opt/copysign-1.C b/gcc/testsuite/g++.dg/opt/copysign-1.C new file mode 100644 index 0000000..347bec2 --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/copysign-1.C @@ -0,0 +1,10 @@ +// { dg-options "-O2" } +// { dg-do compile } +// PR rtl-opt/27883 +// MIPS used to ICE because local flow update +// was not removing an invalid REG_DEAD. + + +double copysign (double x, double y); +double GetDouble(); +double a = copysign (1.0, GetDouble()); |