+2007-01-19 Richard Sandiford <richard@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
+ * config/m68k/m68k.md (*movsi_cfv4): Fold into...
+ (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
+ Add commentary.
+
2007-01-19 Richard Sandiford <richard@codesourcery.com>
* config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
`M' is for numbers that moveq+notb can't handle.
'N' is for range 24 to 31, rotatert:SI 8 to 1 expressed as rotate.
'O' is for 16 (for rotate using swap).
- 'P' is for range 8 to 15, rotatert:HI 8 to 1 expressed as rotate. */
+ 'P' is for range 8 to 15, rotatert:HI 8 to 1 expressed as rotate.
+ 'R' is for numbers that mov3q can handle. */
#define CONST_OK_FOR_LETTER_P(VALUE, C) \
((C) == 'I' ? (VALUE) > 0 && (VALUE) <= 8 : \
(C) == 'J' ? (VALUE) >= -0x8000 && (VALUE) <= 0x7FFF : \
(C) == 'M' ? (VALUE) < -0x100 || (VALUE) >= 0x100 : \
(C) == 'N' ? (VALUE) >= 24 && (VALUE) <= 31 : \
(C) == 'O' ? (VALUE) == 16 : \
- (C) == 'P' ? (VALUE) >= 8 && (VALUE) <= 15 : 0)
+ (C) == 'P' ? (VALUE) >= 8 && (VALUE) <= 15 : \
+ (C) == 'R' ? valid_mov3q_const (VALUE) : 0)
/* "G" defines all of the floating constants that are *NOT* 68881
constants. This is so 68881 constants get reloaded and the
return output_move_simode (operands);
})
+;; ColdFire move instructions can have at most one operand of mode >= 6.
(define_insn "*movsi_cf"
[(set (match_operand:SI 0 "nonimmediate_operand" "=r<Q>,g,U")
- (match_operand:SI 1 "general_operand" "g,r<Q>,U"))]
- "TARGET_COLDFIRE && !TARGET_ISAB"
- "* return output_move_simode (operands);")
-
-(define_insn "*movsi_cfv4"
- [(set (match_operand:SI 0 "nonimmediate_operand" "=r<Q>,g,U")
- (match_operand:SI 1 "general_operand" "Rg,Rr<Q>,U"))]
- "TARGET_ISAB"
+ (match_operand:SI 1 "general_operand" "g,Rr<Q>,U"))]
+ "TARGET_COLDFIRE"
"* return output_move_simode (operands);")
;; Special case of fullword move, where we need to get a non-GOT PIC