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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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 #if V8_TARGET_ARCH_S390 | 5 #if V8_TARGET_ARCH_S390 |
6 | 6 |
7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
8 #include "src/debug/debug.h" | 8 #include "src/debug/debug.h" |
9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
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1201 __ bind(&stack_overflow); | 1201 __ bind(&stack_overflow); |
1202 { | 1202 { |
1203 __ TailCallRuntime(Runtime::kThrowStackOverflow); | 1203 __ TailCallRuntime(Runtime::kThrowStackOverflow); |
1204 // Unreachable Code. | 1204 // Unreachable Code. |
1205 __ bkpt(0); | 1205 __ bkpt(0); |
1206 } | 1206 } |
1207 } | 1207 } |
1208 | 1208 |
1209 // static | 1209 // static |
1210 void Builtins::Generate_InterpreterPushArgsAndConstructImpl( | 1210 void Builtins::Generate_InterpreterPushArgsAndConstructImpl( |
1211 MacroAssembler* masm, CallableType construct_type) { | 1211 MacroAssembler* masm, PushArgsConstructMode mode) { |
1212 // ----------- S t a t e ------------- | 1212 // ----------- S t a t e ------------- |
1213 // -- r2 : argument count (not including receiver) | 1213 // -- r2 : argument count (not including receiver) |
1214 // -- r5 : new target | 1214 // -- r5 : new target |
1215 // -- r3 : constructor to call | 1215 // -- r3 : constructor to call |
1216 // -- r4 : allocation site feedback if available, undefined otherwise. | 1216 // -- r4 : allocation site feedback if available, undefined otherwise. |
1217 // -- r6 : address of the first argument | 1217 // -- r6 : address of the first argument |
1218 // ----------------------------------- | 1218 // ----------------------------------- |
1219 Label stack_overflow; | 1219 Label stack_overflow; |
1220 | 1220 |
1221 // Push a slot for the receiver to be constructed. | 1221 // Push a slot for the receiver to be constructed. |
1222 __ LoadImmP(r0, Operand::Zero()); | 1222 __ LoadImmP(r0, Operand::Zero()); |
1223 __ push(r0); | 1223 __ push(r0); |
1224 | 1224 |
1225 // Push the arguments (skip if none). | 1225 // Push the arguments (skip if none). |
1226 Label skip; | 1226 Label skip; |
1227 __ CmpP(r2, Operand::Zero()); | 1227 __ CmpP(r2, Operand::Zero()); |
1228 __ beq(&skip); | 1228 __ beq(&skip); |
1229 Generate_InterpreterPushArgs(masm, r2, r6, r2, r7, &stack_overflow); | 1229 Generate_InterpreterPushArgs(masm, r2, r6, r2, r7, &stack_overflow); |
1230 __ bind(&skip); | 1230 __ bind(&skip); |
1231 | 1231 |
1232 __ AssertUndefinedOrAllocationSite(r4, r7); | 1232 __ AssertUndefinedOrAllocationSite(r4, r7); |
1233 if (construct_type == CallableType::kJSFunction) { | 1233 if (mode == PushArgsConstructMode::kJSFunction) { |
1234 __ AssertFunction(r3); | 1234 __ AssertFunction(r3); |
1235 | 1235 |
1236 // Tail call to the function-specific construct stub (still in the caller | 1236 // Tail call to the function-specific construct stub (still in the caller |
1237 // context at this point). | 1237 // context at this point). |
1238 __ LoadP(r6, FieldMemOperand(r3, JSFunction::kSharedFunctionInfoOffset)); | 1238 __ LoadP(r6, FieldMemOperand(r3, JSFunction::kSharedFunctionInfoOffset)); |
1239 __ LoadP(r6, FieldMemOperand(r6, SharedFunctionInfo::kConstructStubOffset)); | 1239 __ LoadP(r6, FieldMemOperand(r6, SharedFunctionInfo::kConstructStubOffset)); |
1240 // Jump to the construct function. | 1240 // Jump to the construct function. |
1241 __ AddP(ip, r6, Operand(Code::kHeaderSize - kHeapObjectTag)); | 1241 __ AddP(ip, r6, Operand(Code::kHeaderSize - kHeapObjectTag)); |
1242 __ Jump(ip); | 1242 __ Jump(ip); |
1243 | 1243 } else if (mode == PushArgsConstructMode::kWithFinalSpread) { |
| 1244 // Call the constructor with r2, r3, and r5 unmodified. |
| 1245 __ Jump(masm->isolate()->builtins()->ConstructWithSpread(), |
| 1246 RelocInfo::CODE_TARGET); |
1244 } else { | 1247 } else { |
1245 DCHECK_EQ(construct_type, CallableType::kAny); | 1248 DCHECK_EQ(PushArgsConstructMode::kOther, mode); |
1246 // Call the constructor with r2, r3, and r5 unmodified. | 1249 // Call the constructor with r2, r3, and r5 unmodified. |
1247 __ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET); | 1250 __ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET); |
1248 } | 1251 } |
1249 | 1252 |
1250 __ bind(&stack_overflow); | 1253 __ bind(&stack_overflow); |
1251 { | 1254 { |
1252 __ TailCallRuntime(Runtime::kThrowStackOverflow); | 1255 __ TailCallRuntime(Runtime::kThrowStackOverflow); |
1253 // Unreachable Code. | 1256 // Unreachable Code. |
1254 __ bkpt(0); | 1257 __ bkpt(0); |
1255 } | 1258 } |
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2976 __ bkpt(0); | 2979 __ bkpt(0); |
2977 } | 2980 } |
2978 } | 2981 } |
2979 | 2982 |
2980 #undef __ | 2983 #undef __ |
2981 | 2984 |
2982 } // namespace internal | 2985 } // namespace internal |
2983 } // namespace v8 | 2986 } // namespace v8 |
2984 | 2987 |
2985 #endif // V8_TARGET_ARCH_S390 | 2988 #endif // V8_TARGET_ARCH_S390 |
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