From: Chris Lattner <sabre@nondot.org>
Date: Mon, 9 May 2005 20:37:29 +0000 (+0000)
Subject: legalize readio/writeio into load/stores, fixing CodeGen/X86/io.llx with
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=4e6ce5f9c7dea5b75a39d007ac72c7c3177d8758;p=oota-llvm.git

legalize readio/writeio into load/stores, fixing CodeGen/X86/io.llx with
the pattern isel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21828 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86ISelPattern.cpp b/lib/Target/X86/X86ISelPattern.cpp
index d4b2b1a99e8..584d4af3ef0 100644
--- a/lib/Target/X86/X86ISelPattern.cpp
+++ b/lib/Target/X86/X86ISelPattern.cpp
@@ -70,6 +70,15 @@ namespace {
       setOperationAction(ISD::CTTZ             , MVT::i32  , Expand);
       setOperationAction(ISD::CTLZ             , MVT::i32  , Expand);
 
+      setOperationAction(ISD::READIO           , MVT::i1   , Expand);
+      setOperationAction(ISD::READIO           , MVT::i8   , Expand);
+      setOperationAction(ISD::READIO           , MVT::i16  , Expand);
+      setOperationAction(ISD::READIO           , MVT::i32  , Expand);
+      setOperationAction(ISD::WRITEIO          , MVT::i1   , Expand);
+      setOperationAction(ISD::WRITEIO          , MVT::i8   , Expand);
+      setOperationAction(ISD::WRITEIO          , MVT::i16  , Expand);
+      setOperationAction(ISD::WRITEIO          , MVT::i32  , Expand);
+
       if (!UnsafeFPMath) {
         setOperationAction(ISD::FSIN           , MVT::f64  , Expand);
         setOperationAction(ISD::FCOS           , MVT::f64  , Expand);