Revert r6376 and r6373 which changes external array support. The ARM...

src/x64/assembler-x64.cc

Index: src/x64/assembler-x64.cc
===================================================================
--- src/x64/assembler-x64.cc	(revision 6378)
+++ src/x64/assembler-x64.cc	(working copy)
@@ -2721,17 +2721,6 @@
 }
 
 
-void Assembler::cvttss2si(Register dst, XMMRegister src) {
-  EnsureSpace ensure_space(this);
-  last_pc_ = pc_;
-  emit(0xF3);
-  emit_optional_rex_32(dst, src);
-  emit(0x0F);
-  emit(0x2C);
-  emit_sse_operand(dst, src);
-}
-
-
 void Assembler::cvttsd2si(Register dst, const Operand& src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
@@ -2743,17 +2732,6 @@
 }
 
 
-void Assembler::cvttsd2si(Register dst, XMMRegister src) {
-  EnsureSpace ensure_space(this);
-  last_pc_ = pc_;
-  emit(0xF2);
-  emit_optional_rex_32(dst, src);
-  emit(0x0F);
-  emit(0x2C);
-  emit_sse_operand(dst, src);
-}
-
-
 void Assembler::cvttsd2siq(Register dst, XMMRegister src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;