diff options
Diffstat (limited to 'gcc/config/sparc/sparc.c')
| -rw-r--r-- | gcc/config/sparc/sparc.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c index 159685d..2358412 100644 --- a/gcc/config/sparc/sparc.c +++ b/gcc/config/sparc/sparc.c @@ -676,6 +676,7 @@ static void sparc_atomic_assign_expand_fenv (tree *, tree *, tree *); static bool sparc_fixed_condition_code_regs (unsigned int *, unsigned int *); static unsigned int sparc_min_arithmetic_precision (void); static bool sparc_hard_regno_mode_ok (unsigned int, machine_mode); +static bool sparc_modes_tieable_p (machine_mode, machine_mode); #ifdef SUBTARGET_ATTRIBUTE_TABLE @@ -904,6 +905,9 @@ char sparc_hard_reg_printed[8]; #undef TARGET_HARD_REGNO_MODE_OK #define TARGET_HARD_REGNO_MODE_OK sparc_hard_regno_mode_ok +#undef TARGET_MODES_TIEABLE_P +#define TARGET_MODES_TIEABLE_P sparc_modes_tieable_p + struct gcc_target targetm = TARGET_INITIALIZER; /* Return the memory reference contained in X if any, zero otherwise. */ @@ -13139,15 +13143,12 @@ sparc_hard_regno_mode_ok (unsigned int regno, machine_mode mode) return (hard_regno_mode_classes[regno] & sparc_mode_class[mode]) != 0; } -/* Return TRUE if it is a good idea to tie two pseudo registers - when one has mode MODE1 and one has mode MODE2. - If TARGET_HARD_REGNO_MODE_OK could produce different values for MODE1 - and MODE2, for any hard reg, then this must be FALSE for correct output. +/* Implement TARGET_MODES_TIEABLE_P. For V9 we have to deal with the fact that only the lower 32 floating point registers are 32-bit addressable. */ -bool +static bool sparc_modes_tieable_p (machine_mode mode1, machine_mode mode2) { enum mode_class mclass1, mclass2; |