SparcV9 doesnt have rem instruction either.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193789 91177308-0d34-0410-b5e6-96231b3b80d8
darkbasic · Oct 31, 2013 · 1d6d49f · 1d6d49f
1 parent 844e7d3
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diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp
@@ -1341,6 +1341,14 @@ SparcTargetLowering::SparcTargetLowering(TargetMachine &TM)
   setOperationAction(ISD::SREM, MVT::i32, Expand);
   setOperationAction(ISD::SDIVREM, MVT::i32, Expand);
   setOperationAction(ISD::UDIVREM, MVT::i32, Expand);
+
+  // ... nor does SparcV9.
+  if (Subtarget->is64Bit()) {
+    setOperationAction(ISD::UREM, MVT::i64, Expand);
+    setOperationAction(ISD::SREM, MVT::i64, Expand);
+    setOperationAction(ISD::SDIVREM, MVT::i64, Expand);
+    setOperationAction(ISD::UDIVREM, MVT::i64, Expand);
+  }
 
   // Custom expand fp<->sint
   setOperationAction(ISD::FP_TO_SINT, MVT::i32, Custom);

diff --git a/test/CodeGen/SPARC/rem.ll b/test/CodeGen/SPARC/rem.ll
@@ -0,0 +1,23 @@
+; RUN: llc < %s -march=sparcv9 | FileCheck %s
+
+; CHECK-LABEL: test1:
+; CHECK:        sdivx %o0, %o1, %o2
+; CHECK-NEXT:   mulx %o2, %o1, %o1
+; CHECK-NEXT:   jmp %o7+8
+; CHECK-NEXT:   sub %o0, %o1, %o0
+
+define i64 @test1(i64 %X, i64 %Y) {
+        %tmp1 = srem i64 %X, %Y
+        ret i64 %tmp1
+}
+
+; CHECK-LABEL: test2:
+; CHECK:        udivx %o0, %o1, %o2
+; CHECK-NEXT:   mulx %o2, %o1, %o1
+; CHECK-NEXT:   jmp %o7+8
+; CHECK-NEXT:   sub %o0, %o1, %o0
+
+define i64 @test2(i64 %X, i64 %Y) {
+        %tmp1 = urem i64 %X, %Y
+        ret i64 %tmp1
+}