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| author | Jakub Jelinek <jakub@redhat.com> | 2018-01-30 21:03:04 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2018-01-30 21:03:04 +0100 |
| commit | c5370327b043595a13cda2237cf2007b690440ef (patch) | |
| tree | b5053a5eee16279b6ff819bdd0480579d6c70ce2 /gcc/sched-deps.c | |
| parent | b1c7b29a3cae7dcf652cc3e3f971ec010153d814 (diff) | |
| download | gcc-c5370327b043595a13cda2237cf2007b690440ef.zip gcc-c5370327b043595a13cda2237cf2007b690440ef.tar.gz gcc-c5370327b043595a13cda2237cf2007b690440ef.tar.bz2 | |
re PR target/83986 (ICE in maybe_record_trace_start, at dwarf2cfi.c:2348)
PR rtl-optimization/83986
* sched-deps.c (sched_analyze_insn): For frame related insns, add anti
dependence against last_pending_memory_flush in addition to
pending_jump_insns.
* gcc.dg/pr83986.c: New test.
From-SVN: r257203
Diffstat (limited to 'gcc/sched-deps.c')
| -rw-r--r-- | gcc/sched-deps.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index 2d0199d..9a5cbeb 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -2922,6 +2922,8 @@ sched_analyze_insn (struct deps_desc *deps, rtx x, rtx_insn *insn) = alloc_INSN_LIST (insn, deps->sched_before_next_jump); /* Make sure epilogue insn is scheduled after preceding jumps. */ + add_dependence_list (insn, deps->last_pending_memory_flush, 1, + REG_DEP_ANTI, true); add_dependence_list (insn, deps->pending_jump_insns, 1, REG_DEP_ANTI, true); } |