diff options
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index 55d8d13..bd9f85d 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -2171,6 +2171,14 @@ process_alt_operands (int only_alternative) } else { + /* If the operands do not match and one + operand is INOUT, we can not match them. + Try other possibilities, e.g. other + alternatives or commutative operand + exchange. */ + if (curr_static_id->operand[nop].type == OP_INOUT + || curr_static_id->operand[m].type == OP_INOUT) + break; /* Operands don't match. If the operands are different user defined explicit hard registers, then we cannot make them match |