diff options
Diffstat (limited to 'gcc/config/rl78/rl78.c')
| -rw-r--r-- | gcc/config/rl78/rl78.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/gcc/config/rl78/rl78.c b/gcc/config/rl78/rl78.c index 429e934f37a..8dd593e5b1a 100644 --- a/gcc/config/rl78/rl78.c +++ b/gcc/config/rl78/rl78.c @@ -459,34 +459,36 @@ rl78_hard_regno_nregs (int regno, machine_mode mode) return ((GET_MODE_SIZE (mode) + rs - 1) / rs); } -/* Implements HARD_REGNO_MODE_OK. */ -int -rl78_hard_regno_mode_ok (int regno, machine_mode mode) +#undef TARGET_HARD_REGNO_MODE_OK +#define TARGET_HARD_REGNO_MODE_OK rl78_hard_regno_mode_ok + +static bool +rl78_hard_regno_mode_ok (unsigned int regno, machine_mode mode) { int s = GET_MODE_SIZE (mode); if (s < 1) - return 0; + return false; /* These are not to be used by gcc. */ if (regno == 23 || regno == ES_REG || regno == CS_REG) - return 0; + return false; /* $fp can always be accessed as a 16-bit value. */ if (regno == FP_REG && s == 2) - return 1; + return true; if (regno < SP_REG) { /* Since a reg-reg move is really a reg-mem move, we must enforce alignment. */ if (s > 1 && (regno % 2)) - return 0; - return 1; + return false; + return true; } if (s == CC_REGNUM) return (mode == BImode); /* All other registers must be accessed in their natural sizes. */ if (s == register_sizes [regno]) - return 1; - return 0; + return true; + return false; } /* Simplify_gen_subreg() doesn't handle memory references the way we |