+2009-12-07 Julian Brown <julian@codesourcery.com>
+
+ * config/arm/constraints.md (Ps, Pt): New constraint letters.
+ * config/arm/thumb2.md (*thumb2_addsi_short): Tighten constraints.
+
2009-12-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
PR other/40302
;; The following multi-letter normal constraints have been used:
;; in ARM/Thumb-2 state: Da, Db, Dc, Dn, Dl, DL, Dv, Dy
;; in Thumb-1 state: Pa, Pb
+;; in Thumb-2 state: Ps, Pt
;; The following memory constraints have been used:
;; in ARM/Thumb-2 state: Q, Ut, Uv, Uy, Un, Um, Us
(match_test "TARGET_THUMB1 && ival >= -262 && ival <= 262
&& (ival > 255 || ival < -255)")))
+(define_constraint "Ps"
+ "@internal In Thumb-2 state a constant in the range -255 to +255"
+ (and (match_code "const_int")
+ (match_test "TARGET_THUMB2 && ival >= -255 && ival <= 255")))
+
+(define_constraint "Pt"
+ "@internal In Thumb-2 state a constant in the range -7 to +7"
+ (and (match_code "const_int")
+ (match_test "TARGET_THUMB2 && ival >= -7 && ival <= 7")))
+
(define_constraint "G"
"In ARM/Thumb-2 state a valid FPA immediate constant."
(and (match_code "const_double")
)
(define_insn "*thumb2_addsi_short"
- [(set (match_operand:SI 0 "low_register_operand" "=l")
- (plus:SI (match_operand:SI 1 "low_register_operand" "l")
- (match_operand:SI 2 "low_reg_or_int_operand" "lIL")))
+ [(set (match_operand:SI 0 "low_register_operand" "=l,l")
+ (plus:SI (match_operand:SI 1 "low_register_operand" "l,0")
+ (match_operand:SI 2 "low_reg_or_int_operand" "lPt,Ps")))
(clobber (reg:CC CC_REGNUM))]
"TARGET_THUMB2 && reload_completed"
"*