Add AND

Author: SamTebbs33

llvm/lib/Target/Fero/FeroInstrInfo.td

@@ -133,6 +133,7 @@ def MOV_indirect : Type3Inst<(outs GPR:$Ra), (ins MEMroffset:$Rb), 0b0011101, 1,
 def ADD : Type3Inst<(outs GPR:$Ra), (ins GPR:$Rai, GPR:$Rb), 0b0011010, 0, "add", "$Ra, $Rb", "$Ra = $Rai">;
 def SUB : Type3Inst<(outs GPR:$Ra), (ins GPR:$Rai, GPR:$Rb), 0b0011101, 0, "sub", "$Ra, $Rb", "$Ra = $Rai">;
 def CMP : Type2Inst<(outs FR:$f), (ins GPR:$Ra, GPR:$Rb), 0b0000010, 0, "cmp", "$Ra, $Rb", "">;
+def AND : Type2Inst<(outs GPR:$Ra), (ins GPR:$Rai, GPR:$Rb), 0b0000011, 0, "and", "$Ra, $Rb", "$Ra = $Rai">;
 def OR : Type3Inst<(outs GPR:$Ra), (ins GPR:$Rai, GPR:$Rb), 0b0100000, 0, "or", "$Ra, $Rb", "$Ra = $Rai">;
 def STR : Type3Inst<(outs), (ins MEMroffset:$Ra, GPR:$Rb), 0b0100001, 0, "str", "$Ra, $Rb", "">;
 
@@ -166,3 +167,4 @@ def : Pat<(add GPR:$Ra, GPR:$Rb), (ADD GPR:$Ra, GPR:$Rb)>;
 def : Pat<(sub GPR:$Ra, GPR:$Rb), (SUB GPR:$Ra, GPR:$Rb)>;
 def : Pat<(store GPR:$Rb, GPR:$Ra), (STR GPR:$Ra, (i16 0), GPR:$Rb)>;
 def : Pat<(or GPR:$Ra, GPR:$Rb), (OR GPR:$Ra, GPR:$Rb)>;
+def : Pat<(and GPR:$Ra, GPR:$Rb), (AND GPR:$Ra, GPR:$Rb)>;

llvm/test/CodeGen/Fero/simple.ll

@@ -107,3 +107,13 @@ if.then:                                          ; preds = %entry
 if.end:                                           ; preds = %if.then, %entry
   ret void
 }
+
+define i16 @and(i16 %a, i16 %b) {
+entry:
+; CHECK-LABEL: and:
+; CHECK: and  r1, r0
+; CHECK-NEXT: mov r0, r1
+; CHECK-NEXT: ret
+  %and = and i16 %b, %a
+  ret i16 %and
+}