Added infrastructure for optimizing new CanvasArray types in WebGL...

src/x64/assembler-x64.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1237 matching lines @@
 }
 
 void Assembler::movb(const Operand& dst, Register src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_rex_32(src, dst);
   emit(0x88);
   emit_operand(src, dst);
 }
 
+void Assembler::movw(const Operand& dst, Register src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit(0x66);
+  emit_optional_rex_32(src, dst);
+  emit(0x89);
+  emit_operand(src, dst);
+}
+
 void Assembler::movl(Register dst, const Operand& src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_optional_rex_32(dst, src);
   emit(0x8B);
   emit_operand(dst, src);
 }
 
 
 void Assembler::movl(Register dst, Register src) {
@@ skipping 164 matching lines @@
     last_pc_ = pc_;
     ASSERT(value->IsHeapObject());
     ASSERT(!Heap::InNewSpace(*value));
     emit_rex_64(dst);
     emit(0xB8 | dst.low_bits());
     emitq(reinterpret_cast<uintptr_t>(value.location()), mode);
   }
 }
 
 
+void Assembler::movsxbq(Register dst, const Operand& src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_rex_32(dst, src);
+  emit(0x0F);
+  emit(0xBE);
+  emit_operand(dst, src);
+}
+
+
+void Assembler::movsxwq(Register dst, const Operand& src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_rex_64(dst, src);
+  emit(0x0F);
+  emit(0xBF);
+  emit_operand(dst, src);
+}
+
+
 void Assembler::movsxlq(Register dst, Register src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_rex_64(dst, src);
   emit(0x63);
   emit_modrm(dst, src);
 }
 
 
 void Assembler::movsxlq(Register dst, const Operand& src) {
@@ skipping 18 matching lines @@
 void Assembler::movzxbl(Register dst, const Operand& src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_optional_rex_32(dst, src);
   emit(0x0F);
   emit(0xB6);
   emit_operand(dst, src);
 }
 
 
+void Assembler::movzxwq(Register dst, const Operand& src) {
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  emit_rex_64(dst, src);
+  emit(0x0F);
+  emit(0xB7);
+  emit_operand(dst, src);
+}
+
+
 void Assembler::movzxwl(Register dst, const Operand& src) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_optional_rex_32(dst, src);
   emit(0x0F);
   emit(0xB7);
   emit_operand(dst, src);
 }
 
 
@@ skipping 524 matching lines @@
   emit(0xDB);
   emit_operand(2, adr);
 }
 
 
 void Assembler::fistp_d(const Operand& adr) {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit_optional_rex_32(adr);
   emit(0xDF);
-  emit_operand(8, adr);
+  emit_operand(7, adr);
 }
 
 
 void Assembler::fabs() {
   EnsureSpace ensure_space(this);
   last_pc_ = pc_;
   emit(0xD9);
   emit(0xE1);
 }
 
@@ skipping 432 matching lines @@
     written_position_ = current_position_;
   }
 }
 
 
 const int RelocInfo::kApplyMask = RelocInfo::kCodeTargetMask |
                                   1 << RelocInfo::INTERNAL_REFERENCE |
                                   1 << RelocInfo::JS_RETURN;
 
 } }  // namespace v8::internal