Fix ARM integrated assembler to be able to compile spec2k examples.

src/IceFixups.cpp

Index: src/IceFixups.cpp
diff --git a/src/IceFixups.cpp b/src/IceFixups.cpp
index 7b2025ec178467a4814bbb204faf2485a5e40774..ddc79796ac72dd483badb56de1bc6148ae207342 100644
--- a/src/IceFixups.cpp
+++ b/src/IceFixups.cpp
@@ -48,8 +48,7 @@ IceString AssemblerFixup::symbol(const GlobalContext *Ctx) const {
   return Str.str();
 }
 
-size_t AssemblerFixup::emit(GlobalContext *Ctx, RelocOffsetT OverrideOffset,
-                            bool IsPCRel) const {
+size_t AssemblerFixup::emit(GlobalContext *Ctx, const Assembler &Asm) const {
   static constexpr const size_t FixupSize = 4;
   if (!BuildDefs::dump())
     return FixupSize;
@@ -59,23 +58,20 @@ size_t AssemblerFixup::emit(GlobalContext *Ctx, RelocOffsetT OverrideOffset,
     Str << "__Sz_AbsoluteZero";
   else
     Str << symbol(Ctx);
-  RelocOffsetT Offset = OverrideOffset;
+  RelocOffsetT Offset = Asm.load<RelocOffsetT>(position());
   if (Offset)
     Str << " + " << Offset;
   // For PCRel fixups, we write the pc-offset from a symbol into the Buffer
   // (e.g., -4), but we don't represent that in the fixup's offset. Otherwise
   // the fixup holds the true offset, and so does the Buffer. Just load the
   // offset from the buffer.
-  if (IsPCRel)
+  if (Asm.fixupIsPCRel(kind()))
     Str << " - .";
   Str << "\n";
   return FixupSize;
 }
 
-size_t AssemblerTextFixup::emit(GlobalContext *Ctx, RelocOffsetT OverrideOffset,
-                                bool IsPCRel) const {
-  (void)OverrideOffset;
-  (void)IsPCRel;
+size_t AssemblerTextFixup::emit(GlobalContext *Ctx, const Assembler &) const {
   Ctx->getStrEmit() << Message << "\n";
   return NumBytes;
 }