| commit | 9f5f711c978bde6fefb4cab4ed7ed6dc84a69e96 | |
| author | msebor <msebor@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Fri, 16 Jun 2017 20:52:03 +0000 (16 20:52 +0000) | ||
| committer | msebor <msebor@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Fri, 16 Jun 2017 20:52:03 +0000 (16 20:52 +0000) | ||
| tree | 47083e874bec3afb22da189b754fb2bf2cfc4b5b | treesnapshot (tar.gz zip) |
| parent | 1e8fd529b255eff7111b2688bf755c4d71512675 | commitdiff |
PR tree-optimization/80934 - bzero should be assumed not to escape pointer argument
PR tree-optimization/80933 - redundant bzero/bcopy calls not eliminated
gcc/ChangeLog:
PR tree-optimization/80933
PR tree-optimization/80934
* builtins.c (fold_builtin_3): Do not handle bcmp here.
* gimple-fold.c (gimple_fold_builtin_bcmp): New function.
(gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
(gimple_fold_builtin): Call them.
gcc/testsuite/ChangeLog:
PR tree-optimization/80933
PR tree-optimization/80934
* gcc.dg/fold-bcopy.c: New test.
* gcc.dg/tree-ssa/ssa-dse-30.c: Likewise..
* gcc.dg/tree-ssa/alias-36.c: Likewise.
* gcc/testsuite/gcc.dg/pr79214.c: Adjust.
* gcc.dg/tree-prof/val-prof-7.c: Likewise.
* gcc.dg/Wsizeof-pointer-memaccess1.c: Likewise.
* gcc.dg/builtins-nonnull.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@249278 138bc75d-0d04-0410-961f-82ee72b054a4
PR tree-optimization/80933 - redundant bzero/bcopy calls not eliminated
gcc/ChangeLog:
PR tree-optimization/80933
PR tree-optimization/80934
* builtins.c (fold_builtin_3): Do not handle bcmp here.
* gimple-fold.c (gimple_fold_builtin_bcmp): New function.
(gimple_fold_builtin_bcopy, gimple_fold_builtin_bzero): Likewise.
(gimple_fold_builtin): Call them.
gcc/testsuite/ChangeLog:
PR tree-optimization/80933
PR tree-optimization/80934
* gcc.dg/fold-bcopy.c: New test.
* gcc.dg/tree-ssa/ssa-dse-30.c: Likewise..
* gcc.dg/tree-ssa/alias-36.c: Likewise.
* gcc/testsuite/gcc.dg/pr79214.c: Adjust.
* gcc.dg/tree-prof/val-prof-7.c: Likewise.
* gcc.dg/Wsizeof-pointer-memaccess1.c: Likewise.
* gcc.dg/builtins-nonnull.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@249278 138bc75d-0d04-0410-961f-82ee72b054a4