commit 495a0974f4943019da8fdc1df48ca3f0272646c8
author Brian Gaeke <gaeke@uiuc.edu> Thu Jun 24 21:22:08 2004 +0000
committer Brian Gaeke <gaeke@uiuc.edu> Thu Jun 24 21:22:08 2004 +0000
tree 53d2ad184cf3e2fe8ff75b79990049eb3f8603b0
parent fd9d1b37148b558f185902f11e2ac600d9a47a12

Support cast float to float, cast double to float, and cast float to double.
(It's not yet clear how to copy doubles from register to register.)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14371 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/Sparc/InstSelectSimple.cpp

diff --git a/lib/Target/Sparc/InstSelectSimple.cpp b/lib/Target/Sparc/InstSelectSimple.cpp
index bbfe3cb..1204519 100644
--- a/lib/Target/Sparc/InstSelectSimple.cpp
+++ b/lib/Target/Sparc/InstSelectSimple.cpp
@@ -517,16 +517,33 @@
       }
     }
   } else {
-    if (oldTyClass < cLong && newTyClass == cFloat) {
-      // cast int to float.  Store it to a stack slot and then load
-      // it using ldf into a floating point register. then do fitos.
-      std::cerr << "Casts to float still unsupported: SrcTy = "
-                << *SrcTy << ", DestTy = " << *DestTy << "\n";
-      abort ();
-    } else if (oldTyClass < cLong && newTyClass == cDouble) {
-      std::cerr << "Casts to double still unsupported: SrcTy = "
-                << *SrcTy << ", DestTy = " << *DestTy << "\n";
-      abort ();
+    if (newTyClass == cFloat) {
+      switch (oldTyClass) {
+      case cFloat:
+        BuildMI (*BB, IP, V8::FMOVS, 1, DestReg).addReg (SrcReg);
+        break;
+      case cDouble:
+        BuildMI (*BB, IP, V8::FDTOS, 1, DestReg).addReg (SrcReg);
+        break;
+      default:
+        // cast int to float.  Store it to a stack slot and then load
+        // it using ldf into a floating point register. then do fitos.
+        std::cerr << "Casts to float still unsupported: SrcTy = "
+                  << *SrcTy << ", DestTy = " << *DestTy << "\n";
+        abort ();
+        break;
+      }
+    } else if (newTyClass == cDouble) {
+      switch (oldTyClass) {
+      case cFloat:
+        BuildMI (*BB, IP, V8::FSTOD, 1, DestReg).addReg (SrcReg);
+        break;
+      default:
+        std::cerr << "Casts to double still unsupported: SrcTy = "
+                  << *SrcTy << ", DestTy = " << *DestTy << "\n";
+        abort ();
+        break;
+      }
     } else {
       std::cerr << "Cast still unsupported: SrcTy = "
                 << *SrcTy << ", DestTy = " << *DestTy << "\n";

lib/Target/Sparc/SparcV8ISelSimple.cpp

diff --git a/lib/Target/Sparc/SparcV8ISelSimple.cpp b/lib/Target/Sparc/SparcV8ISelSimple.cpp
index bbfe3cb..1204519 100644
--- a/lib/Target/Sparc/SparcV8ISelSimple.cpp
+++ b/lib/Target/Sparc/SparcV8ISelSimple.cpp
@@ -517,16 +517,33 @@
       }
     }
   } else {
-    if (oldTyClass < cLong && newTyClass == cFloat) {
-      // cast int to float.  Store it to a stack slot and then load
-      // it using ldf into a floating point register. then do fitos.
-      std::cerr << "Casts to float still unsupported: SrcTy = "
-                << *SrcTy << ", DestTy = " << *DestTy << "\n";
-      abort ();
-    } else if (oldTyClass < cLong && newTyClass == cDouble) {
-      std::cerr << "Casts to double still unsupported: SrcTy = "
-                << *SrcTy << ", DestTy = " << *DestTy << "\n";
-      abort ();
+    if (newTyClass == cFloat) {
+      switch (oldTyClass) {
+      case cFloat:
+        BuildMI (*BB, IP, V8::FMOVS, 1, DestReg).addReg (SrcReg);
+        break;
+      case cDouble:
+        BuildMI (*BB, IP, V8::FDTOS, 1, DestReg).addReg (SrcReg);
+        break;
+      default:
+        // cast int to float.  Store it to a stack slot and then load
+        // it using ldf into a floating point register. then do fitos.
+        std::cerr << "Casts to float still unsupported: SrcTy = "
+                  << *SrcTy << ", DestTy = " << *DestTy << "\n";
+        abort ();
+        break;
+      }
+    } else if (newTyClass == cDouble) {
+      switch (oldTyClass) {
+      case cFloat:
+        BuildMI (*BB, IP, V8::FSTOD, 1, DestReg).addReg (SrcReg);
+        break;
+      default:
+        std::cerr << "Casts to double still unsupported: SrcTy = "
+                  << *SrcTy << ", DestTy = " << *DestTy << "\n";
+        abort ();
+        break;
+      }
     } else {
       std::cerr << "Cast still unsupported: SrcTy = "
                 << *SrcTy << ", DestTy = " << *DestTy << "\n";