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| author | Eric Botcazou <ebotcazou@adacore.com> | 2010-10-14 13:39:18 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2010-10-14 13:39:18 +0000 |
| commit | a61c3633ecd0b8392496674a28e8efcd0cec8ab9 (patch) | |
| tree | 73e843d67156115387cd0f5f57159c563c46f468 /gcc/sched-deps.c | |
| parent | 8de2e8c95714a780903496db710adb4f2d6df310 (diff) | |
| download | gcc-a61c3633ecd0b8392496674a28e8efcd0cec8ab9.zip gcc-a61c3633ecd0b8392496674a28e8efcd0cec8ab9.tar.gz gcc-a61c3633ecd0b8392496674a28e8efcd0cec8ab9.tar.bz2 | |
sched-deps.c (sched_insn_is_legitimate_for_speculation): Invoke may_trap_or_fault_p instead of may_trap_p predicate.
* sched-deps.c (sched_insn_is_legitimate_for_speculation): Invoke
may_trap_or_fault_p instead of may_trap_p predicate.
* tree.c (substitute_in_expr): Propagate the TREE_THIS_NOTRAP flag.
(substitute_placeholder_in_expr): Likewise.
* tree-inline.c (remap_gimple_op_r): Propagate the TREE_THIS_NOTRAP
flag on MEM_REF nodes.
(copy_tree_body_r): Propagate the TREE_READONLY and TREE_THIS_NOTRAP
flags on INDIRECT_REF nodes.
ada/
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Set
TREE_THIS_NOTRAP on the INDIRECT_REF node built for the template.
* gcc-interface/trans.c (Identifier_to_gnu): Set TREE_THIS_NOTRAP on
the INDIRECT_REF node built for objects used by reference.
* gcc-interface/utils2.c (build_binary_op): Add short-circuit for
constant result. Set TREE_THIS_NOTRAP on ARRAY_REF and ARRAY_RANGE_REF.
(gnat_stabilize_reference_1): Propagate the TREE_THIS_NOTRAP flag.
From-SVN: r165468
Diffstat (limited to 'gcc/sched-deps.c')
| -rw-r--r-- | gcc/sched-deps.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c index dddf836..d2e3bb8 100644 --- a/gcc/sched-deps.c +++ b/gcc/sched-deps.c @@ -598,8 +598,8 @@ sched_insn_is_legitimate_for_speculation_p (const_rtx insn, ds_t ds) /* The following instructions, which depend on a speculatively scheduled instruction, cannot be speculatively scheduled along. */ { - if (may_trap_p (PATTERN (insn))) - /* If instruction might trap, it cannot be speculatively scheduled. + if (may_trap_or_fault_p (PATTERN (insn))) + /* If instruction might fault, it cannot be speculatively scheduled. For control speculation it's obvious why and for data speculation it's because the insn might get wrong input if speculation wasn't successful. */ |