2010-04-17 Richard Earnshaw <rearnsha@arm.com>
+ * arm.md (negdi2): Remove redundant code to force values into a
+ register.
+
+2010-04-17 Richard Earnshaw <rearnsha@arm.com>
+
* arm/bpabi.S: Add EABI alignment attributes to objects.
* arm/bpabi-v6m.S: Likewise.
* arm/crti.asm: Likewise.
(define_expand "negdi2"
[(parallel
- [(set (match_operand:DI 0 "s_register_operand" "")
- (neg:DI (match_operand:DI 1 "s_register_operand" "")))
+ [(set (match_operand:DI 0 "s_register_operand" "")
+ (neg:DI (match_operand:DI 1 "s_register_operand" "")))
(clobber (reg:CC CC_REGNUM))])]
"TARGET_EITHER"
- "
- if (TARGET_THUMB1)
- {
- if (GET_CODE (operands[1]) != REG)
- operands[1] = force_reg (DImode, operands[1]);
- }
- "
+ ""
)
;; The constraints here are to prevent a *partial* overlap (where %Q0 == %R1).
)
(define_insn "*thumb1_negdi2"
- [(set (match_operand:DI 0 "register_operand" "=&l")
- (neg:DI (match_operand:DI 1 "register_operand" "l")))
+ [(set (match_operand:DI 0 "register_operand" "=&l")
+ (neg:DI (match_operand:DI 1 "register_operand" "l")))
(clobber (reg:CC CC_REGNUM))]
"TARGET_THUMB1"
"mov\\t%R0, #0\;neg\\t%Q0, %Q1\;sbc\\t%R0, %R1"