diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.c')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index 9c6beb1..b9d7b55 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -201,7 +201,8 @@ static bool rs6000_returns_struct; #endif /* Value is TRUE if register/mode pair is acceptable. */ -bool rs6000_hard_regno_mode_ok_p[NUM_MACHINE_MODES][FIRST_PSEUDO_REGISTER]; +static bool rs6000_hard_regno_mode_ok_p + [NUM_MACHINE_MODES][FIRST_PSEUDO_REGISTER]; /* Maximum number of registers needed for a given register class and mode. */ unsigned char rs6000_class_max_nregs[NUM_MACHINE_MODES][LIM_REG_CLASSES]; @@ -1962,6 +1963,9 @@ static const struct attribute_spec rs6000_attribute_table[] = #undef TARGET_OPTION_FUNCTION_VERSIONS #define TARGET_OPTION_FUNCTION_VERSIONS common_function_versions +#undef TARGET_HARD_REGNO_MODE_OK +#define TARGET_HARD_REGNO_MODE_OK rs6000_hard_regno_mode_ok + #undef TARGET_HARD_REGNO_CALL_PART_CLOBBERED #define TARGET_HARD_REGNO_CALL_PART_CLOBBERED \ rs6000_hard_regno_call_part_clobbered @@ -2034,7 +2038,7 @@ rs6000_hard_regno_nregs_internal (int regno, machine_mode mode) /* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. */ static int -rs6000_hard_regno_mode_ok (int regno, machine_mode mode) +rs6000_hard_regno_mode_ok_uncached (int regno, machine_mode mode) { int last_regno = regno + rs6000_hard_regno_nregs[mode][regno] - 1; @@ -2127,6 +2131,14 @@ rs6000_hard_regno_mode_ok (int regno, machine_mode mode) return GET_MODE_SIZE (mode) <= UNITS_PER_WORD; } +/* Implement TARGET_HARD_REGNO_MODE_OK. */ + +static bool +rs6000_hard_regno_mode_ok (unsigned int regno, machine_mode mode) +{ + return rs6000_hard_regno_mode_ok_p[mode][regno]; +} + /* Implement TARGET_HARD_REGNO_CALL_PART_CLOBBERED. */ static bool @@ -3598,10 +3610,10 @@ rs6000_init_hard_regno_mode_ok (bool global_init_p) rs6000_hard_regno_nregs[m][r] = rs6000_hard_regno_nregs_internal (r, (machine_mode)m); - /* Precalculate HARD_REGNO_MODE_OK. */ + /* Precalculate TARGET_HARD_REGNO_MODE_OK. */ for (r = 0; r < FIRST_PSEUDO_REGISTER; ++r) for (m = 0; m < NUM_MACHINE_MODES; ++m) - if (rs6000_hard_regno_mode_ok (r, (machine_mode)m)) + if (rs6000_hard_regno_mode_ok_uncached (r, (machine_mode)m)) rs6000_hard_regno_mode_ok_p[m][r] = true; /* Precalculate CLASS_MAX_NREGS sizes. */ |