[X86] Adding FFREEP instruction.

Summary: Small change to get the FREEP instruction to decode properly. Reviewers: craig.topper Reviewed By: craig.topper Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D29193 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@293314 91177308-0d34-0410-b5e6-96231b3b80d8
ornata · Jan 27, 2017 · 8a25ec8 · 8a25ec8
1 parent 38a02f0
commit 8a25ec8
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diff --git a/lib/Target/X86/X86InstrFPStack.td b/lib/Target/X86/X86InstrFPStack.td
@@ -631,6 +631,9 @@ let Defs = [FPSW] in
 def FNINIT : I<0xDB, MRM_E3, (outs), (ins), "fninit", [], IIC_FNINIT>;
 def FFREE : FPI<0xDD, MRM0r, (outs), (ins RST:$reg),
                 "ffree\t$reg", IIC_FFREE>;
+def FFREEP : FPI<0xDF, MRM0r, (outs), (ins RST:$reg),
+                "ffreep\t$reg", IIC_FFREE>;
+
 // Clear exceptions
 
 let Defs = [FPSW] in