diff options
Diffstat (limited to 'gcc/config/m32r')
| -rw-r--r-- | gcc/config/m32r/m32r.c | 16 | ||||
| -rw-r--r-- | gcc/config/m32r/m32r.h | 12 |
2 files changed, 17 insertions, 11 deletions
diff --git a/gcc/config/m32r/m32r.c b/gcc/config/m32r/m32r.c index 56d1dbd..44736ed 100644 --- a/gcc/config/m32r/m32r.c +++ b/gcc/config/m32r/m32r.c @@ -102,6 +102,7 @@ static void m32r_conditional_register_usage (void); static void m32r_trampoline_init (rtx, tree, rtx); static bool m32r_legitimate_constant_p (machine_mode, rtx); static bool m32r_attribute_identifier (const_tree); +static bool m32r_hard_regno_mode_ok (unsigned int, machine_mode); /* M32R specific attributes. */ @@ -209,6 +210,9 @@ static const struct attribute_spec m32r_attribute_table[] = #undef TARGET_LEGITIMATE_CONSTANT_P #define TARGET_LEGITIMATE_CONSTANT_P m32r_legitimate_constant_p +#undef TARGET_HARD_REGNO_MODE_OK +#define TARGET_HARD_REGNO_MODE_OK m32r_hard_regno_mode_ok + struct gcc_target targetm = TARGET_INITIALIZER; /* Called by m32r_option_override to initialize various things. */ @@ -270,14 +274,14 @@ enum m32r_mode_class /* Value is 1 if register/mode pair is acceptable on arc. */ -const unsigned int m32r_hard_regno_mode_ok[FIRST_PSEUDO_REGISTER] = +static const unsigned int m32r_hard_regno_modes[FIRST_PSEUDO_REGISTER] = { T_MODES, T_MODES, T_MODES, T_MODES, T_MODES, T_MODES, T_MODES, T_MODES, T_MODES, T_MODES, T_MODES, T_MODES, T_MODES, S_MODES, S_MODES, S_MODES, S_MODES, C_MODES, A_MODES, A_MODES }; -unsigned int m32r_mode_class [NUM_MACHINE_MODES]; +static unsigned int m32r_mode_class [NUM_MACHINE_MODES]; enum reg_class m32r_regno_reg_class[FIRST_PSEUDO_REGISTER]; @@ -2747,6 +2751,14 @@ m32r_output_block_move (rtx insn ATTRIBUTE_UNUSED, rtx operands[]) } } +/* Implement TARGET_HARD_REGNO_MODE_OK. */ + +static bool +m32r_hard_regno_mode_ok (unsigned int regno, machine_mode mode) +{ + return (m32r_hard_regno_modes[regno] & m32r_mode_class[mode]) != 0; +} + /* Return true if using NEW_REG in place of OLD_REG is ok. */ int diff --git a/gcc/config/m32r/m32r.h b/gcc/config/m32r/m32r.h index 70e702f..5f74f7f 100644 --- a/gcc/config/m32r/m32r.h +++ b/gcc/config/m32r/m32r.h @@ -396,19 +396,13 @@ #define HARD_REGNO_NREGS(REGNO, MODE) \ ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) -/* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. */ -extern const unsigned int m32r_hard_regno_mode_ok[FIRST_PSEUDO_REGISTER]; -extern unsigned int m32r_mode_class[]; -#define HARD_REGNO_MODE_OK(REGNO, MODE) \ - ((m32r_hard_regno_mode_ok[REGNO] & m32r_mode_class[MODE]) != 0) - /* A C expression that is nonzero if it is desirable to choose register allocation so as to avoid move instructions between a value of mode MODE1 and a value of mode MODE2. - If `HARD_REGNO_MODE_OK (R, MODE1)' and `HARD_REGNO_MODE_OK (R, - MODE2)' are ever different for any R, then `MODES_TIEABLE_P (MODE1, - MODE2)' must be zero. */ + If `TARGET_HARD_REGNO_MODE_OK (R, MODE1)' and + `TARGET_HARD_REGNO_MODE_OK (R, MODE2)' are ever different for any R, + then `MODES_TIEABLE_P (MODE1, MODE2)' must be zero. */ /* Tie QI/HI/SI modes together. */ #define MODES_TIEABLE_P(MODE1, MODE2) \ |