diff options
Diffstat (limited to 'gcc/config/m68k/m68k.h')
| -rw-r--r-- | gcc/config/m68k/m68k.h | 37 |
1 files changed, 5 insertions, 32 deletions
diff --git a/gcc/config/m68k/m68k.h b/gcc/config/m68k/m68k.h index c4b1e14842c..9d7843d7b94 100644 --- a/gcc/config/m68k/m68k.h +++ b/gcc/config/m68k/m68k.h @@ -401,13 +401,12 @@ Boston, MA 02110-1301, USA. */ #define HARD_REGNO_RENAME_OK(OLD_REG, NEW_REG) \ m68k_hard_regno_rename_ok (OLD_REG, NEW_REG) -/* Value is true if hard register REGNO can hold a value of machine-mode MODE. - On the 68000, the cpu registers can hold any mode except bytes in - address registers, the 68881 registers can hold only SFmode or DFmode. */ - #define HARD_REGNO_MODE_OK(REGNO, MODE) \ m68k_regno_mode_ok ((REGNO), (MODE)) +#define SECONDARY_RELOAD_CLASS(CLASS, MODE, X) \ + m68k_secondary_reload_class (CLASS, MODE, X) + #define MODES_TIEABLE_P(MODE1, MODE2) \ (! TARGET_HARD_FLOAT \ || ((GET_MODE_CLASS (MODE1) == MODE_FLOAT \ @@ -544,34 +543,8 @@ extern enum reg_class regno_reg_class[]; ? const_call_operand (OP, VOIDmode) \ : 0) -/* On the m68k, use a data reg if possible when the - value is a constant in the range where moveq could be used - and we ensure that QImodes are reloaded into data regs. */ -#define PREFERRED_RELOAD_CLASS(X,CLASS) \ - ((GET_CODE (X) == CONST_INT \ - && (unsigned) (INTVAL (X) + 0x80) < 0x100 \ - && (CLASS) != ADDR_REGS) \ - ? DATA_REGS \ - : (GET_MODE (X) == QImode && (CLASS) != ADDR_REGS) \ - ? DATA_REGS \ - : (GET_CODE (X) == CONST_DOUBLE \ - && GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT) \ - ? (TARGET_HARD_FLOAT && (CLASS == FP_REGS || CLASS == DATA_OR_FP_REGS) \ - ? FP_REGS : NO_REGS) \ - : (TARGET_PCREL \ - && (GET_CODE (X) == SYMBOL_REF || GET_CODE (X) == CONST \ - || GET_CODE (X) == LABEL_REF)) \ - ? ADDR_REGS \ - : (CLASS)) - -/* Force QImode output reloads from subregs to be allocated to data regs, - since QImode stores from address regs are not supported. We make the - assumption that if the class is not ADDR_REGS, then it must be a superset - of DATA_REGS. */ -#define LIMIT_RELOAD_CLASS(MODE, CLASS) \ - (((MODE) == QImode && (CLASS) != ADDR_REGS) \ - ? DATA_REGS \ - : (CLASS)) +#define PREFERRED_RELOAD_CLASS(X,CLASS) \ + m68k_preferred_reload_class (X, CLASS) /* On the m68k, this is the size of MODE in words, except in the FP regs, where a single reg is always enough. */ |