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Issue 338883003: Rename arguments object support functions to new scheme. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 6 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_X64 7 #if V8_TARGET_ARCH_X64
8 8
9 #include "src/bootstrapper.h" 9 #include "src/bootstrapper.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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1166 __ j(less, &arguments_loop, Label::kNear); 1166 __ j(less, &arguments_loop, Label::kNear);
1167 1167
1168 // Return and remove the on-stack parameters. 1168 // Return and remove the on-stack parameters.
1169 __ ret(3 * kPointerSize); 1169 __ ret(3 * kPointerSize);
1170 1170
1171 // Do the runtime call to allocate the arguments object. 1171 // Do the runtime call to allocate the arguments object.
1172 // rcx = argument count (untagged) 1172 // rcx = argument count (untagged)
1173 __ bind(&runtime); 1173 __ bind(&runtime);
1174 __ Integer32ToSmi(rcx, rcx); 1174 __ Integer32ToSmi(rcx, rcx);
1175 __ movp(args.GetArgumentOperand(2), rcx); // Patch argument count. 1175 __ movp(args.GetArgumentOperand(2), rcx); // Patch argument count.
1176 __ TailCallRuntime(Runtime::kHiddenNewArgumentsFast, 3, 1); 1176 __ TailCallRuntime(Runtime::kHiddenNewSloppyArguments, 3, 1);
1177 } 1177 }
1178 1178
1179 1179
1180 void ArgumentsAccessStub::GenerateNewSloppySlow(MacroAssembler* masm) { 1180 void ArgumentsAccessStub::GenerateNewSloppySlow(MacroAssembler* masm) {
1181 // rsp[0] : return address 1181 // rsp[0] : return address
1182 // rsp[8] : number of parameters 1182 // rsp[8] : number of parameters
1183 // rsp[16] : receiver displacement 1183 // rsp[16] : receiver displacement
1184 // rsp[24] : function 1184 // rsp[24] : function
1185 1185
1186 // Check if the calling frame is an arguments adaptor frame. 1186 // Check if the calling frame is an arguments adaptor frame.
1187 Label runtime; 1187 Label runtime;
1188 __ movp(rdx, Operand(rbp, StandardFrameConstants::kCallerFPOffset)); 1188 __ movp(rdx, Operand(rbp, StandardFrameConstants::kCallerFPOffset));
1189 __ movp(rcx, Operand(rdx, StandardFrameConstants::kContextOffset)); 1189 __ movp(rcx, Operand(rdx, StandardFrameConstants::kContextOffset));
1190 __ Cmp(rcx, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)); 1190 __ Cmp(rcx, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
1191 __ j(not_equal, &runtime); 1191 __ j(not_equal, &runtime);
1192 1192
1193 // Patch the arguments.length and the parameters pointer. 1193 // Patch the arguments.length and the parameters pointer.
1194 StackArgumentsAccessor args(rsp, 3, ARGUMENTS_DONT_CONTAIN_RECEIVER); 1194 StackArgumentsAccessor args(rsp, 3, ARGUMENTS_DONT_CONTAIN_RECEIVER);
1195 __ movp(rcx, Operand(rdx, ArgumentsAdaptorFrameConstants::kLengthOffset)); 1195 __ movp(rcx, Operand(rdx, ArgumentsAdaptorFrameConstants::kLengthOffset));
1196 __ movp(args.GetArgumentOperand(2), rcx); 1196 __ movp(args.GetArgumentOperand(2), rcx);
1197 __ SmiToInteger64(rcx, rcx); 1197 __ SmiToInteger64(rcx, rcx);
1198 __ leap(rdx, Operand(rdx, rcx, times_pointer_size, 1198 __ leap(rdx, Operand(rdx, rcx, times_pointer_size,
1199 StandardFrameConstants::kCallerSPOffset)); 1199 StandardFrameConstants::kCallerSPOffset));
1200 __ movp(args.GetArgumentOperand(1), rdx); 1200 __ movp(args.GetArgumentOperand(1), rdx);
1201 1201
1202 __ bind(&runtime); 1202 __ bind(&runtime);
1203 __ TailCallRuntime(Runtime::kHiddenNewArgumentsFast, 3, 1); 1203 __ TailCallRuntime(Runtime::kHiddenNewSloppyArguments, 3, 1);
1204 } 1204 }
1205 1205
1206 1206
1207 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) { 1207 void ArgumentsAccessStub::GenerateNewStrict(MacroAssembler* masm) {
1208 // rsp[0] : return address 1208 // rsp[0] : return address
1209 // rsp[8] : number of parameters 1209 // rsp[8] : number of parameters
1210 // rsp[16] : receiver displacement 1210 // rsp[16] : receiver displacement
1211 // rsp[24] : function 1211 // rsp[24] : function
1212 1212
1213 // Check if the calling frame is an arguments adaptor frame. 1213 // Check if the calling frame is an arguments adaptor frame.
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1294 __ subp(rdx, Immediate(kPointerSize)); 1294 __ subp(rdx, Immediate(kPointerSize));
1295 __ decp(rcx); 1295 __ decp(rcx);
1296 __ j(not_zero, &loop); 1296 __ j(not_zero, &loop);
1297 1297
1298 // Return and remove the on-stack parameters. 1298 // Return and remove the on-stack parameters.
1299 __ bind(&done); 1299 __ bind(&done);
1300 __ ret(3 * kPointerSize); 1300 __ ret(3 * kPointerSize);
1301 1301
1302 // Do the runtime call to allocate the arguments object. 1302 // Do the runtime call to allocate the arguments object.
1303 __ bind(&runtime); 1303 __ bind(&runtime);
1304 __ TailCallRuntime(Runtime::kHiddenNewStrictArgumentsFast, 3, 1); 1304 __ TailCallRuntime(Runtime::kHiddenNewStrictArguments, 3, 1);
1305 } 1305 }
1306 1306
1307 1307
1308 void RegExpExecStub::Generate(MacroAssembler* masm) { 1308 void RegExpExecStub::Generate(MacroAssembler* masm) {
1309 // Just jump directly to runtime if native RegExp is not selected at compile 1309 // Just jump directly to runtime if native RegExp is not selected at compile
1310 // time or if regexp entry in generated code is turned off runtime switch or 1310 // time or if regexp entry in generated code is turned off runtime switch or
1311 // at compilation. 1311 // at compilation.
1312 #ifdef V8_INTERPRETED_REGEXP 1312 #ifdef V8_INTERPRETED_REGEXP
1313 __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1); 1313 __ TailCallRuntime(Runtime::kHiddenRegExpExec, 4, 1);
1314 #else // V8_INTERPRETED_REGEXP 1314 #else // V8_INTERPRETED_REGEXP
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5046 return_value_operand, 5046 return_value_operand,
5047 NULL); 5047 NULL);
5048 } 5048 }
5049 5049
5050 5050
5051 #undef __ 5051 #undef __
5052 5052
5053 } } // namespace v8::internal 5053 } } // namespace v8::internal
5054 5054
5055 #endif // V8_TARGET_ARCH_X64 5055 #endif // V8_TARGET_ARCH_X64
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