diff options
Diffstat (limited to 'gcc/config/arm/arm.h')
| -rw-r--r-- | gcc/config/arm/arm.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h index cffdd3b..acec706 100644 --- a/gcc/config/arm/arm.h +++ b/gcc/config/arm/arm.h @@ -1146,6 +1146,12 @@ enum reg_class or could index an array. */ #define REGNO_REG_CLASS(REGNO) arm_regno_class (REGNO) +/* FPA registers can't do dubreg as all values are reformatted to internal + precision. */ +#define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \ + (GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) \ + ? reg_classes_intersect_p (FPA_REGS, (CLASS)) : 0) + /* The class value for index registers, and the one for base regs. */ #define INDEX_REG_CLASS (TARGET_THUMB ? LO_REGS : GENERAL_REGS) #define BASE_REG_CLASS (TARGET_THUMB ? LO_REGS : GENERAL_REGS) |