commit 7c7a3ff2b1b7be0f3a3f5a3ca0b01a182b0d2fba
author Evan Cheng <evan.cheng@apple.com> Wed Oct 28 01:44:26 2009 +0000
committer Evan Cheng <evan.cheng@apple.com> Wed Oct 28 01:44:26 2009 +0000
tree 4335d6e015c750e046bb2ef103e283eda632645e
parent a0e6778c5f1e124bc15fceeca0c875614a082c79

Use fconsts and fconstd to materialize small fp constants.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85362 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp

diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index d017f74..8cbc420 100644
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -135,6 +135,8 @@
     void printJT2BlockOperand(const MachineInstr *MI, int OpNum);
     void printTBAddrMode(const MachineInstr *MI, int OpNum);
     void printNoHashImmediate(const MachineInstr *MI, int OpNum);
+    void printVFPf32ImmOperand(const MachineInstr *MI, int OpNum);
+    void printVFPf64ImmOperand(const MachineInstr *MI, int OpNum);
 
     virtual bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
                                  unsigned AsmVariant, const char *ExtraCode);
@@ -393,9 +395,11 @@
   if (Rot) {
     O << "#" << Imm << ", " << Rot;
     // Pretty printed version.
-    if (VerboseAsm)
-      O << ' ' << MAI->getCommentString()
-        << ' ' << (int)ARM_AM::rotr32(Imm, Rot);
+    if (VerboseAsm) {
+      O.PadToColumn(MAI->getCommentColumn());
+      O << MAI->getCommentString() << ' ';
+      O << (int)ARM_AM::rotr32(Imm, Rot);
+    }
   } else {
     O << "#" << Imm;
   }
@@ -970,6 +974,26 @@
   O << MI->getOperand(OpNum).getImm();
 }
 
+void ARMAsmPrinter::printVFPf32ImmOperand(const MachineInstr *MI, int OpNum) {
+  const ConstantFP *FP = MI->getOperand(OpNum).getFPImm();
+  O << ARM::getVFPf32Imm(FP->getValueAPF());
+  if (VerboseAsm) {
+    O.PadToColumn(MAI->getCommentColumn());
+    O << MAI->getCommentString() << ' ';
+    WriteAsOperand(O, FP, /*PrintType=*/false);
+  }
+}
+
+void ARMAsmPrinter::printVFPf64ImmOperand(const MachineInstr *MI, int OpNum) {
+  const ConstantFP *FP = MI->getOperand(OpNum).getFPImm();
+  O << ARM::getVFPf64Imm(FP->getValueAPF());
+  if (VerboseAsm) {
+    O.PadToColumn(MAI->getCommentColumn());
+    O << MAI->getCommentString() << ' ';
+    WriteAsOperand(O, FP, /*PrintType=*/false);
+  }
+}
+
 bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
                                     unsigned AsmVariant, const char *ExtraCode){
   // Does this asm operand have a single letter operand modifier?
@@ -1182,7 +1206,8 @@
           EmitAlignment(Align, GVar);
           O << name << ":";
           if (VerboseAsm) {
-            O << "\t\t\t\t" << MAI->getCommentString() << ' ';
+            O.PadToColumn(MAI->getCommentColumn());
+            O << MAI->getCommentString() << ' ';
             WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
           }
           O << '\n';
@@ -1205,7 +1230,8 @@
           O << "," << (MAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
       }
       if (VerboseAsm) {
-        O << "\t\t" << MAI->getCommentString() << " ";
+        O.PadToColumn(MAI->getCommentColumn());
+        O << MAI->getCommentString() << ' ';
         WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
       }
       O << "\n";
@@ -1243,7 +1269,8 @@
   EmitAlignment(Align, GVar);
   O << name << ":";
   if (VerboseAsm) {
-    O << "\t\t\t\t" << MAI->getCommentString() << " ";
+    O.PadToColumn(MAI->getCommentColumn());
+    O << MAI->getCommentString() << ' ';
     WriteAsOperand(O, GVar, /*PrintType=*/false, GVar->getParent());
   }
   O << "\n";