preemptively add the rest of the non-n fpstack instructions.
llvm-svn: 115168
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@ -1120,7 +1120,8 @@ MatchAndEmitInstruction(SMLoc IDLoc,
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// First, handle aliases that expand to multiple instructions.
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// FIXME: This should be replaced with a real .td file alias mechanism.
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if (Op->getToken() == "fstsw" || Op->getToken() == "fstcw" ||
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Op->getToken() == "finit") {
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Op->getToken() == "finit" || Op->getToken() == "fsave" ||
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Op->getToken() == "fstenv") {
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MCInst Inst;
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Inst.setOpcode(X86::WAIT);
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Out.EmitInstruction(Inst);
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@ -1128,9 +1129,11 @@ MatchAndEmitInstruction(SMLoc IDLoc,
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delete Operands[0];
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const char *Repl =
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StringSwitch<const char*>(Op->getToken())
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.Case("fstsw", "fnstsw")
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.Case("fstcw", "fnstcw")
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.Case("finit", "fninit")
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.Case("fsave", "fnsave")
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.Case("fstcw", "fnstcw")
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.Case("fstenv", "fnstenv")
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.Case("fstsw", "fnstsw")
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.Default(0);
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assert(Repl && "Unknown wait-prefixed instruction");
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Operands[0] = X86Operand::CreateToken(Repl, IDLoc);
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@ -431,6 +431,10 @@ finit
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// CHECK: wait
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// CHECK: fninit
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fsave 32493
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// CHECK: wait
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// CHECK: fnsave 32493
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// rdar://8456382 - cvtsd2si support.
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cvtsd2si %xmm1, %rax
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