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| author | Jakub Jelinek <jakub@redhat.com> | 2016-02-26 16:53:43 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-02-26 16:53:43 +0100 |
| commit | a2ad54a07a7336103ff30140b591b4d6eb348dfd (patch) | |
| tree | ae1cf61ff668028960dbbf5e7352ada2e17af643 /gcc/dse.c | |
| parent | 0884062c2cf3ee1a489591b89350478c4cca2db3 (diff) | |
| download | gcc-a2ad54a07a7336103ff30140b591b4d6eb348dfd.zip gcc-a2ad54a07a7336103ff30140b591b4d6eb348dfd.tar.gz gcc-a2ad54a07a7336103ff30140b591b4d6eb348dfd.tar.bz2 | |
re PR rtl-optimization/69891 (wrong code with -mstringop-strategy=libcall @ i686)
PR rtl-optimization/69891
* dse.c (scan_insn): If we can't figure out memset arguments
or they are non-constant, call clear_rhs_from_active_local_stores.
* gcc.target/i386/pr69891.c: New test.
Co-Authored-By: Eric Botcazou <ebotcazou@adacore.com>
From-SVN: r233743
Diffstat (limited to 'gcc/dse.c')
| -rw-r--r-- | gcc/dse.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -2556,6 +2556,8 @@ scan_insn (bb_info_t bb_info, rtx_insn *insn) active_local_stores = insn_info; } } + else + clear_rhs_from_active_local_stores (); } } else if (SIBLING_CALL_P (insn) && reload_completed) |