Merge pull request #2975 from afonso360/aarch64-icmp

aarch64: Implement lowering i128 icmp instructions

cranelift/codegen/src/isa/aarch64/inst/mod.rs

@@ -89,9 +89,15 @@ pub enum ALUOp {
     /// Add with carry
     Adc32,
     Adc64,
+    /// Add with carry, settings flags
+    AdcS32,
+    AdcS64,
     /// Subtract with carry
     Sbc32,
     Sbc64,
+    /// Subtract with carry, settings flags
+    SbcS32,
+    SbcS64,
 }
 
 /// An ALU operation with three arguments.
@@ -3216,8 +3222,12 @@ impl Inst {
                 ALUOp::Lsl64 => ("lsl", OperandSize::Size64),
                 ALUOp::Adc32 => ("adc", OperandSize::Size32),
                 ALUOp::Adc64 => ("adc", OperandSize::Size64),
+                ALUOp::AdcS32 => ("adcs", OperandSize::Size32),
+                ALUOp::AdcS64 => ("adcs", OperandSize::Size64),
                 ALUOp::Sbc32 => ("sbc", OperandSize::Size32),
                 ALUOp::Sbc64 => ("sbc", OperandSize::Size64),
+                ALUOp::SbcS32 => ("sbcs", OperandSize::Size32),
+                ALUOp::SbcS64 => ("sbcs", OperandSize::Size64),
             }
         }