diff options
Diffstat (limited to 'gcc/config/alpha/alpha.c')
| -rw-r--r-- | gcc/config/alpha/alpha.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index 44426ae0d53..8370329b81e 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -860,6 +860,29 @@ direct_return () && current_function_pretend_args_size == 0); } +/* Return 1 is OP is a memory location that is not an reference (using + an AND) to an unaligned location. Take into account what reload + will do. */ + +int +normal_memory_operand (op, mode) + register rtx op; + enum machine_mode mode; +{ + if (reload_in_progress && GET_CODE (op) == REG + && REGNO (op) >= FIRST_PSEUDO_REGISTER) + { + op = reg_equiv_mem[REGNO (op)]; + + /* This may not have been assigned an equivalent address if it will + be eliminated. In that case, it doesn't matter what we do. */ + if (op == 0) + return 1; + } + + return GET_CODE (op) == MEM && GET_CODE (XEXP (op, 0)) != AND; +} + /* REF is an alignable memory location. Place an aligned SImode reference into *PALIGNED_MEM and the number of bits to shift into *PBITNUM. */ |