}
}
+ // (add X, (adde Y, 0, Carry)) -> (adde X, Y, Carry)
+ if (N1.getOpcode() == ISD::ADDE && N1->hasOneUse() &&
+ isNullConstant(N1.getOperand(1)))
+ return DAG.getNode(ISD::ADDE, DL, DAG.getVTList(VT, MVT::Glue),
+ N0, N1->getOperand(0), N1->getOperand(2));
+
return SDValue();
}
; CHECK-NEXT: sbbq %r10, %r10
; CHECK-NEXT: andl $1, %r10d
; CHECK-NEXT: addq 8(%rsi), %rcx
-; CHECK-NEXT: sbbq %r11, %r11
-; CHECK-NEXT: andl $1, %r11d
-; CHECK-NEXT: addq %r10, %rcx
-; CHECK-NEXT: adcq $0, %r11
-; CHECK-NEXT: addq 16(%rsi), %r8
; CHECK-NEXT: sbbq %rax, %rax
; CHECK-NEXT: andl $1, %eax
-; CHECK-NEXT: addq %r11, %r8
+; CHECK-NEXT: addq %r10, %rcx
; CHECK-NEXT: adcq $0, %rax
+; CHECK-NEXT: addq 16(%rsi), %r8
+; CHECK-NEXT: sbbq %r10, %r10
+; CHECK-NEXT: andl $1, %r10d
; CHECK-NEXT: addq 24(%rsi), %r9
-; CHECK-NEXT: addq %rax, %r9
+; CHECK-NEXT: addq %rax, %r8
+; CHECK-NEXT: adcq %r10, %r9
; CHECK-NEXT: movq %rdx, (%rdi)
; CHECK-NEXT: movq %rcx, 8(%rdi)
; CHECK-NEXT: movq %r8, 16(%rdi)