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-rw-r--r--gcc/ree.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/ree.c b/gcc/ree.c
index 1ccd88ec53c..30a975c9e81 100644
--- a/gcc/ree.c
+++ b/gcc/ree.c
@@ -767,7 +767,8 @@ combine_reaching_defs (ext_cand *cand, const_rtx set_pat, ext_state *state)
This is merely to keep the test for safety and updating the insn
stream simple. Also ensure that within the block the candidate
follows the defining insn. */
- if (BLOCK_FOR_INSN (cand->insn) != BLOCK_FOR_INSN (def_insn)
+ basic_block bb = BLOCK_FOR_INSN (cand->insn);
+ if (bb != BLOCK_FOR_INSN (def_insn)
|| DF_INSN_LUID (def_insn) > DF_INSN_LUID (cand->insn))
return false;
@@ -817,7 +818,7 @@ combine_reaching_defs (ext_cand *cand, const_rtx set_pat, ext_state *state)
if (recog_memoized (insn) == -1)
return false;
extract_insn (insn);
- if (!constrain_operands (1))
+ if (!constrain_operands (1, get_preferred_alternatives (insn, bb)))
return false;
}