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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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1202 __ bind(&stack_overflow); | 1202 __ bind(&stack_overflow); |
1203 { | 1203 { |
1204 __ TailCallRuntime(Runtime::kThrowStackOverflow); | 1204 __ TailCallRuntime(Runtime::kThrowStackOverflow); |
1205 // Unreachable Code. | 1205 // Unreachable Code. |
1206 __ bkpt(0); | 1206 __ bkpt(0); |
1207 } | 1207 } |
1208 } | 1208 } |
1209 | 1209 |
1210 // static | 1210 // static |
1211 void Builtins::Generate_InterpreterPushArgsAndConstructImpl( | 1211 void Builtins::Generate_InterpreterPushArgsAndConstructImpl( |
1212 MacroAssembler* masm, CallableType construct_type) { | 1212 MacroAssembler* masm, PushArgsConstructMode mode) { |
1213 // ----------- S t a t e ------------- | 1213 // ----------- S t a t e ------------- |
1214 // -- r2 : argument count (not including receiver) | 1214 // -- r2 : argument count (not including receiver) |
1215 // -- r5 : new target | 1215 // -- r5 : new target |
1216 // -- r3 : constructor to call | 1216 // -- r3 : constructor to call |
1217 // -- r4 : allocation site feedback if available, undefined otherwise. | 1217 // -- r4 : allocation site feedback if available, undefined otherwise. |
1218 // -- r6 : address of the first argument | 1218 // -- r6 : address of the first argument |
1219 // ----------------------------------- | 1219 // ----------------------------------- |
1220 Label stack_overflow; | 1220 Label stack_overflow; |
1221 | 1221 |
1222 // Push a slot for the receiver to be constructed. | 1222 // Push a slot for the receiver to be constructed. |
1223 __ LoadImmP(r0, Operand::Zero()); | 1223 __ LoadImmP(r0, Operand::Zero()); |
1224 __ push(r0); | 1224 __ push(r0); |
1225 | 1225 |
1226 // Push the arguments (skip if none). | 1226 // Push the arguments (skip if none). |
1227 Label skip; | 1227 Label skip; |
1228 __ CmpP(r2, Operand::Zero()); | 1228 __ CmpP(r2, Operand::Zero()); |
1229 __ beq(&skip); | 1229 __ beq(&skip); |
1230 Generate_InterpreterPushArgs(masm, r2, r6, r2, r7, &stack_overflow); | 1230 Generate_InterpreterPushArgs(masm, r2, r6, r2, r7, &stack_overflow); |
1231 __ bind(&skip); | 1231 __ bind(&skip); |
1232 | 1232 |
1233 __ AssertUndefinedOrAllocationSite(r4, r7); | 1233 __ AssertUndefinedOrAllocationSite(r4, r7); |
1234 if (construct_type == CallableType::kJSFunction) { | 1234 if (mode == PushArgsConstructMode::kJSFunction) { |
1235 __ AssertFunction(r3); | 1235 __ AssertFunction(r3); |
1236 | 1236 |
1237 // Tail call to the function-specific construct stub (still in the caller | 1237 // Tail call to the function-specific construct stub (still in the caller |
1238 // context at this point). | 1238 // context at this point). |
1239 __ LoadP(r6, FieldMemOperand(r3, JSFunction::kSharedFunctionInfoOffset)); | 1239 __ LoadP(r6, FieldMemOperand(r3, JSFunction::kSharedFunctionInfoOffset)); |
1240 __ LoadP(r6, FieldMemOperand(r6, SharedFunctionInfo::kConstructStubOffset)); | 1240 __ LoadP(r6, FieldMemOperand(r6, SharedFunctionInfo::kConstructStubOffset)); |
1241 // Jump to the construct function. | 1241 // Jump to the construct function. |
1242 __ AddP(ip, r6, Operand(Code::kHeaderSize - kHeapObjectTag)); | 1242 __ AddP(ip, r6, Operand(Code::kHeaderSize - kHeapObjectTag)); |
1243 __ Jump(ip); | 1243 __ Jump(ip); |
1244 | 1244 } else if (mode == PushArgsConstructMode::kWithFinalSpread) { |
| 1245 // Call the constructor with r2, r3, and r5 unmodified. |
| 1246 __ Jump(masm->isolate()->builtins()->ConstructWithSpread(), |
| 1247 RelocInfo::CODE_TARGET); |
1245 } else { | 1248 } else { |
1246 DCHECK_EQ(construct_type, CallableType::kAny); | 1249 DCHECK_EQ(PushArgsConstructMode::kOther, mode); |
1247 // Call the constructor with r2, r3, and r5 unmodified. | 1250 // Call the constructor with r2, r3, and r5 unmodified. |
1248 __ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET); | 1251 __ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET); |
1249 } | 1252 } |
1250 | 1253 |
1251 __ bind(&stack_overflow); | 1254 __ bind(&stack_overflow); |
1252 { | 1255 { |
1253 __ TailCallRuntime(Runtime::kThrowStackOverflow); | 1256 __ TailCallRuntime(Runtime::kThrowStackOverflow); |
1254 // Unreachable Code. | 1257 // Unreachable Code. |
1255 __ bkpt(0); | 1258 __ bkpt(0); |
1256 } | 1259 } |
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2985 __ bkpt(0); | 2988 __ bkpt(0); |
2986 } | 2989 } |
2987 } | 2990 } |
2988 | 2991 |
2989 #undef __ | 2992 #undef __ |
2990 | 2993 |
2991 } // namespace internal | 2994 } // namespace internal |
2992 } // namespace v8 | 2995 } // namespace v8 |
2993 | 2996 |
2994 #endif // V8_TARGET_ARCH_S390 | 2997 #endif // V8_TARGET_ARCH_S390 |
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