diff options
Diffstat (limited to 'gcc/config/alpha/alpha.cc')
| -rw-r--r-- | gcc/config/alpha/alpha.cc | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/gcc/config/alpha/alpha.cc b/gcc/config/alpha/alpha.cc index 1126cea..a6fe95e 100644 --- a/gcc/config/alpha/alpha.cc +++ b/gcc/config/alpha/alpha.cc @@ -9916,7 +9916,19 @@ alpha_can_change_mode_class (machine_mode from, machine_mode to, return (GET_MODE_SIZE (from) == GET_MODE_SIZE (to) || !reg_classes_intersect_p (FLOAT_REGS, rclass)); } - + +/* Implement TARGET_C_MODE_FOR_FLOATING_TYPE. Return TFmode or DFmode + for TI_LONG_DOUBLE_TYPE which is for long double type, go with the + default one for the others. */ + +static machine_mode +alpha_c_mode_for_floating_type (enum tree_index ti) +{ + if (ti == TI_LONG_DOUBLE_TYPE) + return TARGET_LONG_DOUBLE_128 ? TFmode : DFmode; + return default_mode_for_floating_type (ti); +} + /* Initialize the GCC target structure. */ #if TARGET_ABI_OPEN_VMS # undef TARGET_ATTRIBUTE_TABLE @@ -10123,6 +10135,9 @@ alpha_can_change_mode_class (machine_mode from, machine_mode to, #undef TARGET_CAN_CHANGE_MODE_CLASS #define TARGET_CAN_CHANGE_MODE_CLASS alpha_can_change_mode_class +#undef TARGET_C_MODE_FOR_FLOATING_TYPE +#define TARGET_C_MODE_FOR_FLOATING_TYPE alpha_c_mode_for_floating_type + struct gcc_target targetm = TARGET_INITIALIZER; |