diff options
Diffstat (limited to 'gcc/recog.c')
| -rw-r--r-- | gcc/recog.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/recog.c b/gcc/recog.c index c56069a..6bb8670 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -1848,6 +1848,18 @@ asm_operand_ok (op, constraint) #ifdef EXTRA_CONSTRAINT if (EXTRA_CONSTRAINT (op, c)) return 1; + if (EXTRA_MEMORY_CONSTRAINT (c)) + { + /* Every memory operand can be reloaded to fit. */ + if (memory_operand (op, VOIDmode)) + return 1; + } + if (EXTRA_ADDRESS_CONSTRAINT (c)) + { + /* Every address operand can be reloaded to fit. */ + if (address_operand (op, VOIDmode)) + return 1; + } #endif break; } @@ -2287,6 +2299,19 @@ preprocess_constraints () break; default: + if (EXTRA_MEMORY_CONSTRAINT (c)) + { + op_alt[j].memory_ok = 1; + break; + } + if (EXTRA_ADDRESS_CONSTRAINT (c)) + { + op_alt[j].is_address = 1; + op_alt[j].class = reg_class_subunion[(int) op_alt[j].class] + [(int) MODE_BASE_REG_CLASS (VOIDmode)]; + break; + } + op_alt[j].class = reg_class_subunion[(int) op_alt[j].class][(int) REG_CLASS_FROM_LETTER ((unsigned char) c)]; break; } @@ -2600,6 +2625,28 @@ constrain_operands (strict) #ifdef EXTRA_CONSTRAINT else if (EXTRA_CONSTRAINT (op, c)) win = 1; + + if (EXTRA_MEMORY_CONSTRAINT (c)) + { + /* Every memory operand can be reloaded to fit, + so copy the condition from the 'm' case. */ + if (GET_CODE (op) == MEM + /* Before reload, accept what reload can turn into mem. */ + || (strict < 0 && CONSTANT_P (op)) + /* During reload, accept a pseudo */ + || (reload_in_progress && GET_CODE (op) == REG + && REGNO (op) >= FIRST_PSEUDO_REGISTER)) + win = 1; + } + if (EXTRA_ADDRESS_CONSTRAINT (c)) + { + /* Every address operand can be reloaded to fit, + so copy the condition from the 'p' case. */ + if (strict <= 0 + || (strict_memory_address_p (recog_data.operand_mode[opno], + op))) + win = 1; + } #endif break; } |