diff options
Diffstat (limited to 'gcc-4.4.3/gcc/config/arm/arm.md')
| -rw-r--r-- | gcc-4.4.3/gcc/config/arm/arm.md | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/gcc-4.4.3/gcc/config/arm/arm.md b/gcc-4.4.3/gcc/config/arm/arm.md index e9de45efd..ea16f1c31 100644 --- a/gcc-4.4.3/gcc/config/arm/arm.md +++ b/gcc-4.4.3/gcc/config/arm/arm.md @@ -743,14 +743,14 @@ [(set (reg:CC CC_REGNUM) (compare:CC (match_operand:SI 1 "s_register_operand" "r,r") - (match_operand:SI 2 "arm_addimm_operand" "I,L"))) + (match_operand:SI 2 "arm_addimm_operand" "L,I"))) (set (match_operand:SI 0 "s_register_operand" "=r,r") (plus:SI (match_dup 1) - (match_operand:SI 3 "arm_addimm_operand" "L,I")))] + (match_operand:SI 3 "arm_addimm_operand" "I,L")))] "TARGET_32BIT && INTVAL (operands[2]) == -INTVAL (operands[3])" "@ - sub%.\\t%0, %1, %2 - add%.\\t%0, %1, #%n2" + add%.\\t%0, %1, %3 + sub%.\\t%0, %1, #%n3" [(set_attr "conds" "set")] ) @@ -1907,9 +1907,17 @@ { if (GET_CODE (operands[2]) == CONST_INT) { - arm_split_constant (AND, SImode, NULL_RTX, - INTVAL (operands[2]), operands[0], - operands[1], optimize && can_create_pseudo_p ()); + if (INTVAL (operands[2]) == 255 && arm_arch6) + { + operands[1] = convert_to_mode (QImode, operands[1], 1); + emit_insn (gen_thumb2_zero_extendqisi2_v6 (operands[0], + operands[1])); + } + else + arm_split_constant (AND, SImode, NULL_RTX, + INTVAL (operands[2]), operands[0], + operands[1], + optimize && can_create_pseudo_p ()); DONE; } |