[llvm-commits] [llvm] r115156 - in /llvm/trunk: lib/Target/X86/AsmParser/X86AsmParser.cpp test/MC/AsmParser/X86/x86_instructions.s

[Chris Lattner]

Author: lattner
Date: Thu Sep 30 11:42:53 2010
New Revision: 115156

URL: http://llvm.org/viewvc/llvm-project?rev=115156&view=rev
Log:
implement support for finit, PR8258

Modified:
    llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp
    llvm/trunk/test/MC/AsmParser/X86/x86_instructions.s

Modified: llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp?rev=115156&r1=115155&r2=115156&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp (original)
+++ llvm/trunk/lib/Target/X86/AsmParser/X86AsmParser.cpp Thu Sep 30 11:42:53 2010
@@ -1119,7 +1119,8 @@
 
   // First, handle aliases that expand to multiple instructions.
   // FIXME: This should be replaced with a real .td file alias mechanism.
-  if (Op->getToken() == "fstsw" || Op->getToken() == "fstcw") {
+  if (Op->getToken() == "fstsw" || Op->getToken() == "fstcw" ||
+      Op->getToken() == "finit") {
     MCInst Inst;
     Inst.setOpcode(X86::WAIT);
     Out.EmitInstruction(Inst);
@@ -1129,6 +1130,7 @@
       StringSwitch<const char*>(Op->getToken())
         .Case("fstsw", "fnstsw")
         .Case("fstcw", "fnstcw")
+        .Case("finit", "fninit")
         .Default(0);
     assert(Repl && "Unknown wait-prefixed instruction");
     Operands[0] = X86Operand::CreateToken(Repl, IDLoc);

Modified: llvm/trunk/test/MC/AsmParser/X86/x86_instructions.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AsmParser/X86/x86_instructions.s?rev=115156&r1=115155&r2=115156&view=diff
==============================================================================
--- llvm/trunk/test/MC/AsmParser/X86/x86_instructions.s (original)
+++ llvm/trunk/test/MC/AsmParser/X86/x86_instructions.s Thu Sep 30 11:42:53 2010
@@ -421,6 +421,16 @@
 // CHECK: wait
 // CHECK: fnstcw (%rsp)
 
+// PR8259
+fstcw (%rsp)
+// CHECK: wait
+// CHECK: fnstcw (%rsp)
+
+// PR8258
+finit
+// CHECK: wait
+// CHECK: fninit
+
 
 // rdar://8456382 - cvtsd2si support.
 cvtsd2si	%xmm1, %rax