+2013-11-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ PR target/59290
+ * config/arm/arm.md (*zextendsidi_negsi): New pattern.
+ * config/arm/arm.c (arm_new_rtx_costs): Initialise cost correctly
+ for zero_extend case.
+
2013-11-26 H.J. Lu <hongjiu.lu@intel.com>
PR bootstrap/55552
if (speed_p)
*cost += 2 * extra_cost->alu.shift;
}
+ else /* GET_MODE (XEXP (x, 0)) == SImode. */
+ *cost = COSTS_N_INSNS (1);
/* Widening beyond 32-bits requires one more insn. */
if (mode == DImode)
"TARGET_32BIT && TARGET_HARD_FLOAT && TARGET_VFP_DOUBLE"
"")
+(define_insn_and_split "*zextendsidi_negsi"
+ [(set (match_operand:DI 0 "s_register_operand" "=r")
+ (zero_extend:DI (neg:SI (match_operand:SI 1 "s_register_operand" "r"))))]
+ "TARGET_32BIT"
+ "#"
+ ""
+ [(set (match_dup 2)
+ (neg:SI (match_dup 1)))
+ (set (match_dup 3)
+ (const_int 0))]
+ {
+ operands[2] = gen_lowpart (SImode, operands[0]);
+ operands[3] = gen_highpart (SImode, operands[0]);
+ }
+ [(set_attr "length" "8")
+ (set_attr "type" "multiple")]
+)
+
;; Negate an extended 32-bit value.
(define_insn_and_split "*negdi_extendsidi"
[(set (match_operand:DI 0 "s_register_operand" "=l,r")
+2013-11-26 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
+
+ PR target/59290
+ * gcc.target/arm/negdi-2.c: Scan more general register names.
+
2013-11-26 Terry Guo <terry.guo@arm.com>
* gcc.target/arm/thumb1-pic-high-reg.c: New case.
rsb r0, r0, #0
mov r1, #0
*/
-/* { dg-final { scan-assembler-times "rsb\\tr0, r0, #0" 1 { target { arm_nothumb } } } } */
-/* { dg-final { scan-assembler-times "negs\\tr0, r0" 1 { target { ! arm_nothumb } } } } */
+/* { dg-final { scan-assembler-times "rsb\\t...?, ...?, #0" 1 { target { arm_nothumb } } } } */
+/* { dg-final { scan-assembler-times "negs\\t...?, ...?" 1 { target { ! arm_nothumb } } } } */
/* { dg-final { scan-assembler-times "mov" 1 } } */