webkitgtk-2.4.9webkitgtk-2.4.9

1 files changed, 14 insertions, 87 deletions

diff --git a/Source/JavaScriptCore/jit/RegisterSet.cpp b/Source/JavaScriptCore/jit/RegisterSet.cpp
index 6302e261d..362ada0de 100644
--- a/Source/JavaScriptCore/jit/RegisterSet.cpp
+++ b/Source/JavaScriptCore/jit/RegisterSet.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013, 2014 Apple Inc. All rights reserved.
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -30,92 +30,39 @@
 
 #include "GPRInfo.h"
 #include "MacroAssembler.h"
-#include "JSCInlines.h"
-#include <wtf/CommaPrinter.h>
 
 namespace JSC {
 
 RegisterSet RegisterSet::stackRegisters()
 {
-    return RegisterSet(
-        MacroAssembler::stackPointerRegister,
-        MacroAssembler::framePointerRegister);
-}
-
-RegisterSet RegisterSet::reservedHardwareRegisters()
-{
-#if CPU(ARM64)
-    return RegisterSet(ARM64Registers::lr);
-#else
-    return RegisterSet();
-#endif
+    RegisterSet result;
+    result.set(MacroAssembler::stackPointerRegister);
+    result.set(MacroAssembler::framePointerRegister);
+    return result;
 }
 
-RegisterSet RegisterSet::runtimeRegisters()
+RegisterSet RegisterSet::specialRegisters()
 {
+    RegisterSet result;
+    result.merge(stackRegisters());
+    result.set(GPRInfo::callFrameRegister);
 #if USE(JSVALUE64)
-    return RegisterSet(GPRInfo::tagTypeNumberRegister, GPRInfo::tagMaskRegister);
-#else
-    return RegisterSet();
+    result.set(GPRInfo::tagTypeNumberRegister);
+    result.set(GPRInfo::tagMaskRegister);
 #endif
-}
-
-RegisterSet RegisterSet::specialRegisters()
-{
-    return RegisterSet(
-        stackRegisters(), reservedHardwareRegisters(), runtimeRegisters());
+    return result;
 }
 
 RegisterSet RegisterSet::calleeSaveRegisters()
 {
     RegisterSet result;
-#if CPU(X86)
-    result.set(X86Registers::ebx);
-    result.set(X86Registers::ebp);
-    result.set(X86Registers::edi);
-    result.set(X86Registers::esi);
-#elif CPU(X86_64)
+#if CPU(X86_64)
     result.set(X86Registers::ebx);
     result.set(X86Registers::ebp);
     result.set(X86Registers::r12);
     result.set(X86Registers::r13);
     result.set(X86Registers::r14);
     result.set(X86Registers::r15);
-#elif CPU(ARM_THUMB2)
-    result.set(ARMRegisters::r4);
-    result.set(ARMRegisters::r5);
-    result.set(ARMRegisters::r6);
-    result.set(ARMRegisters::r8);
-#if !PLATFORM(IOS)
-    result.set(ARMRegisters::r9);
-#endif
-    result.set(ARMRegisters::r10);
-    result.set(ARMRegisters::r11);
-#elif CPU(ARM_TRADITIONAL)
-    result.set(ARMRegisters::r4);
-    result.set(ARMRegisters::r5);
-    result.set(ARMRegisters::r6);
-    result.set(ARMRegisters::r7);
-    result.set(ARMRegisters::r8);
-    result.set(ARMRegisters::r9);
-    result.set(ARMRegisters::r10);
-    result.set(ARMRegisters::r11);
-#elif CPU(ARM64)
-    // We don't include LR in the set of callee-save registers even though it technically belongs
-    // there. This is because we use this set to describe the set of registers that need to be saved
-    // beyond what you would save by the platform-agnostic "preserve return address" and "restore
-    // return address" operations in CCallHelpers.
-    for (
-        ARM64Registers::RegisterID reg = ARM64Registers::x19;
-        reg <= ARM64Registers::x28;
-        reg = static_cast<ARM64Registers::RegisterID>(reg + 1))
-        result.set(reg);
-    result.set(ARM64Registers::fp);
-    for (
-        ARM64Registers::FPRegisterID reg = ARM64Registers::q8;
-        reg <= ARM64Registers::q15;
-        reg = static_cast<ARM64Registers::FPRegisterID>(reg + 1))
-        result.set(reg);
 #else
     UNREACHABLE_FOR_PLATFORM();
 #endif
@@ -146,29 +93,9 @@ RegisterSet RegisterSet::allRegisters()
     return result;
 }
 
-size_t RegisterSet::numberOfSetGPRs() const
-{
-    RegisterSet temp = *this;
-    temp.filter(allGPRs());
-    return temp.numberOfSetRegisters();
-}
-
-size_t RegisterSet::numberOfSetFPRs() const
-{
-    RegisterSet temp = *this;
-    temp.filter(allFPRs());
-    return temp.numberOfSetRegisters();
-}
-
 void RegisterSet::dump(PrintStream& out) const
 {
-    CommaPrinter comma;
-    out.print("[");
-    for (Reg reg = Reg::first(); reg <= Reg::last(); reg = reg.next()) {
-        if (get(reg))
-            out.print(comma, reg);
-    }
-    out.print("]");
+    m_vector.dump(out);
 }
 
 } // namespace JSC