AMDGPU/SI: Select mad patterns to v_mac_f32

[oota-llvm.git] / lib / MC / WinCOFFStreamer.cpp

diff --git a/lib/MC/WinCOFFStreamer.cpp b/lib/MC/WinCOFFStreamer.cpp
index e4520022a419df9b5b4c3d38578e819cfa428f77..36dd691f07b8764c086992b4a501a860bf9d650d 100644 (file)
--- a/lib/MC/WinCOFFStreamer.cpp
+++ b/lib/MC/WinCOFFStreamer.cpp
@@ -22,7 +22,7 @@
 #include "llvm/MC/MCSection.h"
 #include "llvm/MC/MCSectionCOFF.h"
 #include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCSymbol.h"
+#include "llvm/MC/MCSymbolCOFF.h"
 #include "llvm/MC/MCValue.h"
 #include "llvm/MC/MCWinCOFFStreamer.h"
 #include "llvm/Support/COFF.h"
@@ -102,7 +102,7 @@ bool MCWinCOFFStreamer::EmitSymbolAttribute(MCSymbol *Symbol,
   default: return false;
   case MCSA_WeakReference:
   case MCSA_Weak:
-    Symbol->modifyFlags(COFF::SF_WeakExternal, COFF::SF_WeakExternal);
+    cast<MCSymbolCOFF>(Symbol)->setIsWeakExternal();
     Symbol->setExternal(true);
     break;
   case MCSA_Global:
@@ -137,8 +137,7 @@ void MCWinCOFFStreamer::EmitCOFFSymbolStorageClass(int StorageClass) {
                "' out of range");
 
   getAssembler().registerSymbol(*CurSymbol);
-  CurSymbol->modifyFlags(StorageClass << COFF::SF_ClassShift,
-                         COFF::SF_ClassMask);
+  cast<MCSymbolCOFF>(CurSymbol)->setClass((uint16_t)StorageClass);
 }
 
 void MCWinCOFFStreamer::EmitCOFFSymbolType(int Type) {
@@ -149,7 +148,7 @@ void MCWinCOFFStreamer::EmitCOFFSymbolType(int Type) {
     FatalError("type value '" + Twine(Type) + "' out of range");
 
   getAssembler().registerSymbol(*CurSymbol);
-  CurSymbol->modifyFlags(Type << COFF::SF_TypeShift, COFF::SF_TypeMask);
+  cast<MCSymbolCOFF>(CurSymbol)->setType((uint16_t)Type);
 }
 
 void MCWinCOFFStreamer::EndCOFFSymbolDef() {
@@ -158,9 +157,36 @@ void MCWinCOFFStreamer::EndCOFFSymbolDef() {
   CurSymbol = nullptr;
 }
 
+void MCWinCOFFStreamer::EmitCOFFSafeSEH(MCSymbol const *Symbol) {
+  // SafeSEH is a feature specific to 32-bit x86.  It does not exist (and is
+  // unnecessary) on all platforms which use table-based exception dispatch.
+  if (getContext().getObjectFileInfo()->getTargetTriple().getArch() !=
+      Triple::x86)
+    return;
+
+  const MCSymbolCOFF *CSymbol = cast<MCSymbolCOFF>(Symbol);
+  if (CSymbol->isSafeSEH())
+    return;
+
+  MCSection *SXData = getContext().getObjectFileInfo()->getSXDataSection();
+  getAssembler().registerSection(*SXData);
+  if (SXData->getAlignment() < 4)
+    SXData->setAlignment(4);
+
+  new MCSafeSEHFragment(Symbol, SXData);
+
+  getAssembler().registerSymbol(*Symbol);
+  CSymbol->setIsSafeSEH();
+
+  // The Microsoft linker requires that the symbol type of a handler be
+  // function. Go ahead and oblige it here.
+  CSymbol->setType(COFF::IMAGE_SYM_DTYPE_FUNCTION
+                   << COFF::SCT_COMPLEX_TYPE_SHIFT);
+}
+
 void MCWinCOFFStreamer::EmitCOFFSectionIndex(MCSymbol const *Symbol) {
   MCDataFragment *DF = getOrCreateDataFragment();
-  const MCSymbolRefExpr *SRE = MCSymbolRefExpr::Create(Symbol, getContext());
+  const MCSymbolRefExpr *SRE = MCSymbolRefExpr::create(Symbol, getContext());
   MCFixup Fixup = MCFixup::create(DF->getContents().size(), SRE, FK_SecRel_2);
   DF->getFixups().push_back(Fixup);
   DF->getContents().resize(DF->getContents().size() + 2, 0);
@@ -168,16 +194,12 @@ void MCWinCOFFStreamer::EmitCOFFSectionIndex(MCSymbol const *Symbol) {
 
 void MCWinCOFFStreamer::EmitCOFFSecRel32(MCSymbol const *Symbol) {
   MCDataFragment *DF = getOrCreateDataFragment();
-  const MCSymbolRefExpr *SRE = MCSymbolRefExpr::Create(Symbol, getContext());
+  const MCSymbolRefExpr *SRE = MCSymbolRefExpr::create(Symbol, getContext());
   MCFixup Fixup = MCFixup::create(DF->getContents().size(), SRE, FK_SecRel_4);
   DF->getFixups().push_back(Fixup);
   DF->getContents().resize(DF->getContents().size() + 4, 0);
 }
 
-void MCWinCOFFStreamer::EmitELFSize(MCSymbol *Symbol, const MCExpr *Value) {
-  llvm_unreachable("not supported");
-}
-
 void MCWinCOFFStreamer::EmitCommonSymbol(MCSymbol *Symbol, uint64_t Size,
                                          unsigned ByteAlignment) {
   assert((!Symbol->isInSection() ||