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Diffstat (limited to 'gcc/config/xtensa/xtensa.c')
| -rw-r--r-- | gcc/config/xtensa/xtensa.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/config/xtensa/xtensa.c b/gcc/config/xtensa/xtensa.c index 0a4c441a4e0..9c11ae043b5 100644 --- a/gcc/config/xtensa/xtensa.c +++ b/gcc/config/xtensa/xtensa.c @@ -178,6 +178,7 @@ static bool xtensa_member_type_forces_blk (const_tree, machine_mode mode); static void xtensa_conditional_register_usage (void); +static unsigned int xtensa_hard_regno_nregs (unsigned int, machine_mode); static bool xtensa_hard_regno_mode_ok (unsigned int, machine_mode); static bool xtensa_modes_tieable_p (machine_mode, machine_mode); @@ -308,6 +309,8 @@ static bool xtensa_modes_tieable_p (machine_mode, machine_mode); #undef TARGET_CONDITIONAL_REGISTER_USAGE #define TARGET_CONDITIONAL_REGISTER_USAGE xtensa_conditional_register_usage +#undef TARGET_HARD_REGNO_NREGS +#define TARGET_HARD_REGNO_NREGS xtensa_hard_regno_nregs #undef TARGET_HARD_REGNO_MODE_OK #define TARGET_HARD_REGNO_MODE_OK xtensa_hard_regno_mode_ok @@ -2262,6 +2265,16 @@ xtensa_option_override (void) } } +/* Implement TARGET_HARD_REGNO_NREGS. */ + +static unsigned int +xtensa_hard_regno_nregs (unsigned int regno, machine_mode mode) +{ + if (FP_REG_P (regno)) + return CEIL (GET_MODE_SIZE (mode), UNITS_PER_FPREG); + return CEIL (GET_MODE_SIZE (mode), UNITS_PER_WORD); +} + /* Implement TARGET_HARD_REGNO_MODE_OK. */ static bool |