Add address computation stuff

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75935 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 19 insertions, 1 deletions

diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td
index f5e76cbf3d..089420eb40 100644
--- a/lib/Target/SystemZ/SystemZInstrInfo.td
+++ b/lib/Target/SystemZ/SystemZInstrInfo.td
@@ -162,11 +162,17 @@ def riaddr : Operand<i64>,
 
 // rriaddr := reg + reg + imm
 def rriaddr : Operand<i64>,
-              ComplexPattern<i64, 3, "SelectAddrRRI", []> {
+              ComplexPattern<i64, 3, "SelectAddrRRI", [], []> {
+  let PrintMethod = "printRRIAddrOperand";
+  let MIOperandInfo = (ops ADDR64:$base, ADDR64:$index, i32imm:$disp);
+}
+def laaddr : Operand<i64>,
+             ComplexPattern<i64, 3, "SelectLAAddr", [add, sub, or, frameindex], []> {
   let PrintMethod = "printRRIAddrOperand";
   let MIOperandInfo = (ops ADDR64:$base, ADDR64:$index, i32imm:$disp);
 }
 
+
 //===----------------------------------------------------------------------===//
 //  Control Flow Instructions...
 //
@@ -176,6 +182,18 @@ let isReturn = 1, isTerminator = 1 in {
   def RET : Pseudo<(outs), (ins), "br\t%r14", [(SystemZretflag)]>;
 }
 
+
+//===----------------------------------------------------------------------===//
+//  Miscellaneous Instructions.
+//
+
+let isReMaterializable = 1 in
+// FIXME: Provide imm12 variant
+def LA64r  : Pseudo<(outs GR64:$dst), (ins laaddr:$src),
+                    "lay\t{$dst, $src}",
+                    [(set GR64:$dst, laaddr:$src)]>;
+
+
 //===----------------------------------------------------------------------===//
 // Move Instructions