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| author | Vladimir Makarov <vmakarov@redhat.com> | 2017-10-18 16:44:27 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2017-10-18 16:44:27 +0000 |
| commit | 57d69a633c9226fce5ea2fb728c2e817733a150c (patch) | |
| tree | a74e0a7ed117796aebfa269cef6ed1a6b516c7d4 /gcc/lra-constraints.c | |
| parent | 957f0d8faf41d64fa4ba548411e6d4dd95a083bf (diff) | |
| download | gcc-57d69a633c9226fce5ea2fb728c2e817733a150c.zip gcc-57d69a633c9226fce5ea2fb728c2e817733a150c.tar.gz gcc-57d69a633c9226fce5ea2fb728c2e817733a150c.tar.bz2 | |
re PR middle-end/82556 (internal compiler error in curr_insn_transform, at lra-constraints.c:4307)
2017-10-18 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/82556
* lra-constraints.c (curr_insn_transform): Use non-input operand
instead of output one for matched reload.
2017-10-18 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/82556
* gcc.target/i386/pr82556.c: New.
From-SVN: r253862
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index 4734c072..6163d7d 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -4271,7 +4271,13 @@ curr_insn_transform (bool check_only_p) } else if (curr_static_id->operand[i].type == OP_IN && (curr_static_id->operand[goal_alt_matched[i][0]].type - == OP_OUT)) + == OP_OUT + || (curr_static_id->operand[goal_alt_matched[i][0]].type + == OP_INOUT + && (operands_match_p + (*curr_id->operand_loc[i], + *curr_id->operand_loc[goal_alt_matched[i][0]], + -1))))) { /* generate reloads for input and matched outputs. */ match_inputs[0] = i; @@ -4282,9 +4288,14 @@ curr_insn_transform (bool check_only_p) [goal_alt_number * n_operands + goal_alt_matched[i][0]] .earlyclobber); } - else if (curr_static_id->operand[i].type == OP_OUT + else if ((curr_static_id->operand[i].type == OP_OUT + || (curr_static_id->operand[i].type == OP_INOUT + && (operands_match_p + (*curr_id->operand_loc[i], + *curr_id->operand_loc[goal_alt_matched[i][0]], + -1)))) && (curr_static_id->operand[goal_alt_matched[i][0]].type - == OP_IN)) + == OP_IN)) /* Generate reloads for output and matched inputs. */ match_reload (i, goal_alt_matched[i], outputs, goal_alt[i], &before, &after, curr_static_id->operand_alternative |