Add support for generating reg+reg (indexed) pre-inc loads on PPC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158823 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 39 insertions, 1 deletions

diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index 25b6dc733e..543038335e 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -323,7 +323,7 @@ def memri : Operand<iPTR> {
 }
 def memrr : Operand<iPTR> {
   let PrintMethod = "printMemRegReg";
-  let MIOperandInfo = (ops ptr_rc, ptr_rc);
+  let MIOperandInfo = (ops ptr_rc:$offreg, ptr_rc:$ptrreg);
 }
 def memrix : Operand<iPTR> {   // memri where the imm is shifted 2 bits.
   let PrintMethod = "printMemRegImmShifted";
@@ -712,6 +712,44 @@ def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
                   "lfd $rD, $addr", LdStLFD,
                   []>, RegConstraint<"$addr.reg = $ea_result">,
                    NoEncode<"$ea_result">;
+
+
+// Indexed (r+r) Loads with Update (preinc).
+def LBZUX : XForm_1<31, 119, (outs GPRC:$rD, ptr_rc:$ea_result),
+                   (ins memrr:$addr),
+                   "lbzux $rD, $addr", LdStLoad,
+                   []>, RegConstraint<"$addr.offreg = $ea_result">,
+                   NoEncode<"$ea_result">;
+
+def LHAUX : XForm_1<31, 375, (outs GPRC:$rD, ptr_rc:$ea_result),
+                   (ins memrr:$addr),
+                   "lhaux $rD, $addr", LdStLoad,
+                   []>, RegConstraint<"$addr.offreg = $ea_result">,
+                   NoEncode<"$ea_result">;
+
+def LHZUX : XForm_1<31, 331, (outs GPRC:$rD, ptr_rc:$ea_result),
+                   (ins memrr:$addr),
+                   "lhzux $rD, $addr", LdStLoad,
+                   []>, RegConstraint<"$addr.offreg = $ea_result">,
+                   NoEncode<"$ea_result">;
+
+def LWZUX : XForm_1<31, 55, (outs GPRC:$rD, ptr_rc:$ea_result),
+                   (ins memrr:$addr),
+                   "lwzux $rD, $addr", LdStLoad,
+                   []>, RegConstraint<"$addr.offreg = $ea_result">,
+                   NoEncode<"$ea_result">;
+
+def LFSUX : XForm_1<31, 567, (outs F4RC:$rD, ptr_rc:$ea_result),
+                   (ins memrr:$addr),
+                   "lfsux $rD, $addr", LdStLoad,
+                   []>, RegConstraint<"$addr.offreg = $ea_result">,
+                   NoEncode<"$ea_result">;
+
+def LFDUX : XForm_1<31, 631, (outs F8RC:$rD, ptr_rc:$ea_result),
+                   (ins memrr:$addr),
+                   "lfdux $rD, $addr", LdStLoad,
+                   []>, RegConstraint<"$addr.offreg = $ea_result">,
+                   NoEncode<"$ea_result">;
 }
 }