Introduce x87 port

src/x87/full-codegen-x87.cc

Index: src/x87/full-codegen-x87.cc
diff --git a/src/ia32/full-codegen-ia32.cc b/src/x87/full-codegen-x87.cc
similarity index 99%
copy from src/ia32/full-codegen-ia32.cc
copy to src/x87/full-codegen-x87.cc
index 07afba6c80d7ad264907a42904c29cc3689aac32..06eaa21f311b8e4ab839e56a0976ca1d1d4ac457 100644
--- a/src/ia32/full-codegen-ia32.cc
+++ b/src/x87/full-codegen-x87.cc
@@ -4,7 +4,7 @@
 
 #include "v8.h"
 
-#if V8_TARGET_ARCH_IA32
+#if V8_TARGET_ARCH_X87
 
 #include "code-stubs.h"
 #include "codegen.h"
@@ -111,7 +111,7 @@ static void EmitStackCheck(MacroAssembler* masm_,
 //   o esp: stack pointer (pointing to return address)
 //
 // The function builds a JS frame.  Please see JavaScriptFrameConstants in
-// frames-ia32.h for its layout.
+// frames-x87.h for its layout.
 void FullCodeGenerator::Generate() {
   CompilationInfo* info = info_;
   handler_table_ =
@@ -232,8 +232,7 @@ void FullCodeGenerator::Generate() {
         __ RecordWriteContextSlot(esi,
                                   context_offset,
                                   eax,
-                                  ebx,
-                                  kDontSaveFPRegs);
+                                  ebx);
       }
     }
   }
@@ -448,24 +447,24 @@ void FullCodeGenerator::TestContext::Plug(Variable* var) const {
 
 
 void FullCodeGenerator::EffectContext::Plug(Heap::RootListIndex index) const {
-  UNREACHABLE();  // Not used on IA32.
+  UNREACHABLE();  // Not used on X87.
 }
 
 
 void FullCodeGenerator::AccumulatorValueContext::Plug(
     Heap::RootListIndex index) const {
-  UNREACHABLE();  // Not used on IA32.
+  UNREACHABLE();  // Not used on X87.
 }
 
 
 void FullCodeGenerator::StackValueContext::Plug(
     Heap::RootListIndex index) const {
-  UNREACHABLE();  // Not used on IA32.
+  UNREACHABLE();  // Not used on X87.
 }
 
 
 void FullCodeGenerator::TestContext::Plug(Heap::RootListIndex index) const {
-  UNREACHABLE();  // Not used on IA32.
+  UNREACHABLE();  // Not used on X87.
 }
 
 
@@ -705,7 +704,7 @@ void FullCodeGenerator::SetVar(Variable* var,
   if (var->IsContextSlot()) {
     int offset = Context::SlotOffset(var->index());
     ASSERT(!scratch0.is(esi) && !src.is(esi) && !scratch1.is(esi));
-    __ RecordWriteContextSlot(scratch0, offset, src, scratch1, kDontSaveFPRegs);
+    __ RecordWriteContextSlot(scratch0, offset, src, scratch1);
   }
 }
 
@@ -839,7 +838,6 @@ void FullCodeGenerator::VisitFunctionDeclaration(
                                 Context::SlotOffset(variable->index()),
                                 result_register(),
                                 ecx,
-                                kDontSaveFPRegs,
                                 EMIT_REMEMBERED_SET,
                                 OMIT_SMI_CHECK);
       PrepareForBailoutForId(proxy->id(), NO_REGISTERS);
@@ -879,7 +877,6 @@ void FullCodeGenerator::VisitModuleDeclaration(ModuleDeclaration* declaration) {
                             Context::SlotOffset(variable->index()),
                             eax,
                             ecx,
-                            kDontSaveFPRegs,
                             EMIT_REMEMBERED_SET,
                             OMIT_SMI_CHECK);
   PrepareForBailoutForId(declaration->proxy()->id(), NO_REGISTERS);
@@ -1772,7 +1769,6 @@ void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) {
       __ mov(FieldOperand(ebx, offset), result_register());
       // Update the write barrier for the array store.
       __ RecordWriteField(ebx, offset, result_register(), ecx,
-                          kDontSaveFPRegs,
                           EMIT_REMEMBERED_SET,
                           INLINE_SMI_CHECK);
     } else {
@@ -1931,8 +1927,7 @@ void FullCodeGenerator::VisitYield(Yield* expr) {
              Immediate(Smi::FromInt(continuation.pos())));
       __ mov(FieldOperand(eax, JSGeneratorObject::kContextOffset), esi);
       __ mov(ecx, esi);
-      __ RecordWriteField(eax, JSGeneratorObject::kContextOffset, ecx, edx,
-                          kDontSaveFPRegs);
+      __ RecordWriteField(eax, JSGeneratorObject::kContextOffset, ecx, edx);
       __ lea(ebx, Operand(ebp, StandardFrameConstants::kExpressionsOffset));
       __ cmp(esp, ebx);
       __ j(equal, &post_runtime);
@@ -2003,8 +1998,7 @@ void FullCodeGenerator::VisitYield(Yield* expr) {
              Immediate(Smi::FromInt(l_continuation.pos())));
       __ mov(FieldOperand(eax, JSGeneratorObject::kContextOffset), esi);
       __ mov(ecx, esi);
-      __ RecordWriteField(eax, JSGeneratorObject::kContextOffset, ecx, edx,
-                          kDontSaveFPRegs);
+      __ RecordWriteField(eax, JSGeneratorObject::kContextOffset, ecx, edx);
       __ CallRuntime(Runtime::kHiddenSuspendJSGeneratorObject, 1);
       __ mov(context_register(),
              Operand(ebp, StandardFrameConstants::kContextOffset));
@@ -2198,7 +2192,7 @@ void FullCodeGenerator::EmitCreateIteratorResult(bool done) {
   // Only the value field needs a write barrier, as the other values are in the
   // root set.
   __ RecordWriteField(eax, JSGeneratorObject::kResultValuePropertyOffset,
-                      ecx, edx, kDontSaveFPRegs);
+                      ecx, edx);
 }
 
 
@@ -2379,7 +2373,7 @@ void FullCodeGenerator::EmitStoreToStackLocalOrContextSlot(
   if (var->IsContextSlot()) {
     __ mov(edx, eax);
     int offset = Context::SlotOffset(var->index());
-    __ RecordWriteContextSlot(ecx, offset, edx, ebx, kDontSaveFPRegs);
+    __ RecordWriteContextSlot(ecx, offset, edx, ebx);
   }
 }
 
@@ -3415,8 +3409,7 @@ void FullCodeGenerator::EmitMathPow(CallRuntime* expr) {
   VisitForStackValue(args->at(0));
   VisitForStackValue(args->at(1));
 
-  MathPowStub stub(isolate(), MathPowStub::ON_STACK);
-  __ CallStub(&stub);
+  __ CallRuntime(Runtime::kHiddenMathPowSlow, 2);
   context()->Plug(eax);
 }
 
@@ -3443,7 +3436,7 @@ void FullCodeGenerator::EmitSetValueOf(CallRuntime* expr) {
   // Update the write barrier.  Save the value as it will be
   // overwritten by the write barrier code and is needed afterward.
   __ mov(edx, eax);
-  __ RecordWriteField(ebx, JSValue::kValueOffset, edx, ecx, kDontSaveFPRegs);
+  __ RecordWriteField(ebx, JSValue::kValueOffset, edx, ecx);
 
   __ bind(&done);
   context()->Plug(eax);
@@ -4799,4 +4792,4 @@ BackEdgeTable::BackEdgeState BackEdgeTable::GetBackEdgeState(
 
 } }  // namespace v8::internal
 
-#endif  // V8_TARGET_ARCH_IA32
+#endif  // V8_TARGET_ARCH_X87