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re PR debug/45454 (ICE: in verify_target_availability, at sel-sched.c:1614)

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PR debug/45454
* sel-sched.c (moveup_expr): Don't let debug insns prevent
non-debug insns from moving up.

From-SVN: r169275
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Alexandre Oliva 2011-01-26 05:59:53 +00:00 committed by Alexandre Oliva
parent 58c741a62e
commit 48bb58b1bb
2 changed files with 15 additions and 0 deletions
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gcc/ChangeLog
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@ -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

9
gcc/sel-sched.c
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@ -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);