diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/avr/avr.cc | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/config/avr/avr.cc b/gcc/config/avr/avr.cc index 92013c3..b73c251 100644 --- a/gcc/config/avr/avr.cc +++ b/gcc/config/avr/avr.cc @@ -15473,6 +15473,24 @@ avr_c_mode_for_floating_type (tree_index ti) } +/* Implement `TARGET_FLOATN_MODE'. */ + +static opt_scalar_float_mode +avr_floatn_mode (int n, bool /*extended*/) +{ + if (n == 32) + return SFmode; + + // Notice that -m[long-]double= just tells which library (AVR-LibC + // or libgcc/libf7) is providing symbols like sin. DFmode support + // is provided by libf7 no matter what. + if (n == 64) + return DFmode; + + return opt_scalar_float_mode (); +} + + /* Worker function for `FLOAT_LIB_COMPARE_RETURNS_BOOL'. */ bool @@ -15705,6 +15723,9 @@ avr_use_lra_p () #undef TARGET_C_MODE_FOR_FLOATING_TYPE #define TARGET_C_MODE_FOR_FLOATING_TYPE avr_c_mode_for_floating_type +#undef TARGET_FLOATN_MODE +#define TARGET_FLOATN_MODE avr_floatn_mode + gcc_target targetm = TARGET_INITIALIZER; |