diff options
Diffstat (limited to 'gcc/config/avr/avr.c')
| -rw-r--r-- | gcc/config/avr/avr.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/gcc/config/avr/avr.c b/gcc/config/avr/avr.c index df4cbf3..62ddc57 100644 --- a/gcc/config/avr/avr.c +++ b/gcc/config/avr/avr.c @@ -12149,14 +12149,12 @@ jump_over_one_insn_p (rtx_insn *insn, rtx dest) } -/* Worker function for `HARD_REGNO_MODE_OK'. */ -/* Returns 1 if a value of mode MODE can be stored starting with hard - register number REGNO. On the enhanced core, anything larger than - 1 byte must start in even numbered register for "movw" to work - (this way we don't have to check for odd registers everywhere). */ +/* Implement TARGET_HARD_REGNO_MODE_OK. On the enhanced core, anything + larger than 1 byte must start in even numbered register for "movw" to + work (this way we don't have to check for odd registers everywhere). */ -int -avr_hard_regno_mode_ok (int regno, machine_mode mode) +static bool +avr_hard_regno_mode_ok (unsigned int regno, machine_mode mode) { /* NOTE: 8-bit values must not be disallowed for R28 or R29. Disallowing QI et al. in these regs might lead to code like @@ -12169,7 +12167,7 @@ avr_hard_regno_mode_ok (int regno, machine_mode mode) /* Any GENERAL_REGS register can hold 8-bit values. */ if (GET_MODE_SIZE (mode) == 1) - return 1; + return true; /* FIXME: Ideally, the following test is not needed. However, it turned out that it can reduce the number @@ -12178,7 +12176,7 @@ avr_hard_regno_mode_ok (int regno, machine_mode mode) if (GET_MODE_SIZE (mode) >= 4 && regno >= REG_X) - return 0; + return false; /* All modes larger than 8 bits should start in an even register. */ @@ -14691,6 +14689,8 @@ avr_fold_builtin (tree fndecl, int n_args ATTRIBUTE_UNUSED, tree *arg, #undef TARGET_CONDITIONAL_REGISTER_USAGE #define TARGET_CONDITIONAL_REGISTER_USAGE avr_conditional_register_usage +#undef TARGET_HARD_REGNO_MODE_OK +#define TARGET_HARD_REGNO_MODE_OK avr_hard_regno_mode_ok #undef TARGET_HARD_REGNO_SCRATCH_OK #define TARGET_HARD_REGNO_SCRATCH_OK avr_hard_regno_scratch_ok #undef TARGET_HARD_REGNO_CALL_PART_CLOBBERED |