[SystemZ] Add comparisons of high words and memory
llvm-svn: 191777
diff --git a/llvm/lib/Target/SystemZ/SystemZInstrFormats.td b/llvm/lib/Target/SystemZ/SystemZInstrFormats.td
index 3b06732..353a0d3 100644
--- a/llvm/lib/Target/SystemZ/SystemZInstrFormats.td
+++ b/llvm/lib/Target/SystemZ/SystemZInstrFormats.td
@@ -1355,7 +1355,7 @@
: Pseudo<(outs cls:$R1), (ins imm:$I2),
[(set cls:$R1, (operator imm:$I2))]>;
-// Like UnaryRXY, but expanded after RA depending on the choice of registers.
+// Like UnaryRXY, but expanded after RA depending on the choice of register.
class UnaryRXYPseudo<string key, SDPatternOperator operator,
RegisterOperand cls, bits<5> bytes,
AddressingMode mode = bdxaddr20only>
@@ -1410,7 +1410,19 @@
Immediate imm>
: Pseudo<(outs), (ins cls:$R1, imm:$I2), [(operator cls:$R1, imm:$I2)]>;
-// Like StoreRXY, but expanded after RA depending on the choice of registers.
+// Like CompareRXY, but expanded after RA depending on the choice of register.
+class CompareRXYPseudo<SDPatternOperator operator, RegisterOperand cls,
+ SDPatternOperator load, bits<5> bytes,
+ AddressingMode mode = bdxaddr20only>
+ : Pseudo<(outs), (ins cls:$R1, mode:$XBD2),
+ [(operator cls:$R1, (load mode:$XBD2))]> {
+ let mayLoad = 1;
+ let Has20BitOffset = 1;
+ let HasIndex = 1;
+ let AccessBytes = bytes;
+}
+
+// Like StoreRXY, but expanded after RA depending on the choice of register.
class StoreRXYPseudo<SDPatternOperator operator, RegisterOperand cls,
bits<5> bytes, AddressingMode mode = bdxaddr20only>
: Pseudo<(outs), (ins cls:$R1, mode:$XBD2),