diff options
Diffstat (limited to 'gcc/config/frv/frv.c')
| -rw-r--r-- | gcc/config/frv/frv.c | 31 |
1 files changed, 8 insertions, 23 deletions
diff --git a/gcc/config/frv/frv.c b/gcc/config/frv/frv.c index 83da2f1..85e22c7 100644 --- a/gcc/config/frv/frv.c +++ b/gcc/config/frv/frv.c @@ -397,6 +397,7 @@ static bool frv_can_eliminate (const int, const int); static void frv_conditional_register_usage (void); static void frv_trampoline_init (rtx, tree, rtx); static bool frv_class_likely_spilled_p (reg_class_t); +static unsigned int frv_hard_regno_nregs (unsigned int, machine_mode); static bool frv_hard_regno_mode_ok (unsigned int, machine_mode); static bool frv_modes_tieable_p (machine_mode, machine_mode); @@ -516,6 +517,8 @@ static bool frv_modes_tieable_p (machine_mode, machine_mode); #undef TARGET_LIBCALL_VALUE #define TARGET_LIBCALL_VALUE frv_libcall_value +#undef TARGET_HARD_REGNO_NREGS +#define TARGET_HARD_REGNO_NREGS frv_hard_regno_nregs #undef TARGET_HARD_REGNO_MODE_OK #define TARGET_HARD_REGNO_MODE_OK frv_hard_regno_mode_ok #undef TARGET_MODES_TIEABLE_P @@ -6600,23 +6603,15 @@ frv_modes_tieable_p (machine_mode mode1, machine_mode mode2) } -/* A C expression for the number of consecutive hard registers, starting at - register number REGNO, required to hold a value of mode MODE. +/* Implement TARGET_HARD_REGNO_NREGS. - On a machine where all registers are exactly one word, a suitable definition - of this macro is - - #define HARD_REGNO_NREGS(REGNO, MODE) \ - ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) \ - / UNITS_PER_WORD)) */ - -/* On the FRV, make the CC_FP mode take 3 words in the integer registers, so + On the FRV, make the CC_FP mode take 3 words in the integer registers, so that we can build the appropriate instructions to properly reload the values. Also, make the byte-sized accumulator guards use one guard for each byte. */ -int -frv_hard_regno_nregs (int regno, machine_mode mode) +static unsigned int +frv_hard_regno_nregs (unsigned int regno, machine_mode mode) { if (ACCG_P (regno)) return GET_MODE_SIZE (mode); @@ -6625,17 +6620,7 @@ frv_hard_regno_nregs (int regno, machine_mode mode) } -/* A C expression for the maximum number of consecutive registers of - class RCLASS needed to hold a value of mode MODE. - - This is closely related to the macro `HARD_REGNO_NREGS'. In fact, the value - of the macro `CLASS_MAX_NREGS (RCLASS, MODE)' should be the maximum value of - `HARD_REGNO_NREGS (REGNO, MODE)' for all REGNO values in the class RCLASS. - - This macro helps control the handling of multiple-word values in - the reload pass. - - This declaration is required. */ +/* Implement CLASS_MAX_NREGS. */ int frv_class_max_nregs (enum reg_class rclass, machine_mode mode) |