diff options
| -rw-r--r-- | gcc/config/rs6000/rs6000.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index ad550a7..c7cd68a 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -715,6 +715,11 @@ enum reg_class { NO_REGS, BASE_REGS, GENERAL_REGS, FLOAT_REGS, ((CLASS) == FLOAT_REGS \ ? ((GET_MODE_SIZE (MODE) + 2 * UNITS_PER_WORD - 1) / (2 * UNITS_PER_WORD)) \ : ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)) + +/* If defined, gives a class of registers that cannot be used as the + operand of a SUBREG that changes the size of the object. */ + +#define CLASS_CANNOT_CHANGE_SIZE FLOAT_REGS /* Stack layout; function entry, exit and calling. */ |