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| author | Alexandre Oliva <aoliva@redhat.com> | 2011-01-26 05:59:53 +0000 |
|---|---|---|
| committer | Alexandre Oliva <aoliva@gcc.gnu.org> | 2011-01-26 05:59:53 +0000 |
| commit | 48bb58b1bb6742355f4da7c4be6421a38df5bd8d (patch) | |
| tree | db2e7a77585aea3a927eb65484b997f9e5ff7c62 /gcc | |
| parent | 58c741a62e5f940a8e6f26b3154eebed3c03a466 (diff) | |
| download | gcc-48bb58b1bb6742355f4da7c4be6421a38df5bd8d.zip gcc-48bb58b1bb6742355f4da7c4be6421a38df5bd8d.tar.gz gcc-48bb58b1bb6742355f4da7c4be6421a38df5bd8d.tar.bz2 | |
re PR debug/45454 (ICE: in verify_target_availability, at sel-sched.c:1614)
PR debug/45454
* sel-sched.c (moveup_expr): Don't let debug insns prevent
non-debug insns from moving up.
From-SVN: r169275
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/sel-sched.c | 9 |
2 files changed, 15 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 71ae981..9bd387c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2011-01-26 Alexandre Oliva <aoliva@redhat.com> + + PR debug/45454 + * sel-sched.c (moveup_expr): Don't let debug insns prevent + non-debug insns from moving up. + 2011-01-26 Dave Korn <dave.korn.cygwin@gmail.com> PR target/40125 diff --git a/gcc/sel-sched.c b/gcc/sel-sched.c index d40885c..e26ddac 100644 --- a/gcc/sel-sched.c +++ b/gcc/sel-sched.c @@ -2142,6 +2142,15 @@ moveup_expr (expr_t expr, insn_t through_insn, bool inside_insn_group, ds_t *has_dep_p; ds_t full_ds; + /* ??? We use dependencies of non-debug insns on debug insns to + indicate that the debug insns need to be reset if the non-debug + insn is pulled ahead of it. It's hard to figure out how to + introduce such a notion in sel-sched, but it already fails to + support debug insns in other ways, so we just go ahead and + let the deug insns go corrupt for now. */ + if (DEBUG_INSN_P (through_insn) && !DEBUG_INSN_P (insn)) + return MOVEUP_EXPR_SAME; + /* When inside_insn_group, delegate to the helper. */ if (inside_insn_group) return moveup_expr_inside_insn_group (expr, through_insn); |