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| author | Vladimir Makarov <vmakarov@redhat.com> | 2013-01-16 18:27:58 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2013-01-16 18:27:58 +0000 |
| commit | 79f01c76e0657bdc18c7a3218e94f16437800958 (patch) | |
| tree | 99f84bd4934abd3903e31652f599b6ef2fc73a54 /gcc | |
| parent | 20f36478dcf5ffd0d6816a3fd0e9753e6571d8fc (diff) | |
| download | gcc-79f01c76e0657bdc18c7a3218e94f16437800958.zip gcc-79f01c76e0657bdc18c7a3218e94f16437800958.tar.gz gcc-79f01c76e0657bdc18c7a3218e94f16437800958.tar.bz2 | |
re PR rtl-optimization/56005 (FAIL: gcc.target/i386/pr45352.c (internal compiler error))
2013-01-16 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/56005
* sched-deps.c (sched_analyze_2): Check deps->readonly for adding
pending reads for prefetch.
From-SVN: r195247
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/sched-deps.c | 5 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2205dc4..41a4b42 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2013-01-16 Vladimir Makarov <vmakarov@redhat.com> + + PR rtl-optimization/56005 + * sched-deps.c (sched_analyze_2): Check deps->readonly for adding + pending reads for prefetch. + 2013-01-16 Ian Bolton <ian.bolton@arm.com> * gcc/config/aarch64/aarch64.md diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index 3f37aa0..2b40286 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -2719,8 +2719,9 @@ sched_analyze_2 (struct deps_desc *deps, rtx x, rtx insn) to generate accurate dependencies for prefetch insns as prefetch has only the start address but it is better to have something than nothing. */ - add_insn_mem_dependence (deps, true, insn, - gen_rtx_MEM (Pmode, XEXP (PATTERN (insn), 0))); + if (!deps->readonly) + add_insn_mem_dependence (deps, true, insn, + gen_rtx_MEM (Pmode, XEXP (PATTERN (insn), 0))); break; case UNSPEC_VOLATILE: |