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Issue 1848623003: S390: [turbofan] Frame elision for code stubs. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 8 months ago
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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 #include <assert.h> // For assert 5 #include <assert.h> // For assert
6 #include <limits.h> // For LONG_MIN, LONG_MAX. 6 #include <limits.h> // For LONG_MIN, LONG_MAX.
7 7
8 #if V8_TARGET_ARCH_S390 8 #if V8_TARGET_ARCH_S390
9 9
10 #include "src/base/bits.h" 10 #include "src/base/bits.h"
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953 void MacroAssembler::MovDoubleToInt64(Register dst, DoubleRegister src) { 953 void MacroAssembler::MovDoubleToInt64(Register dst, DoubleRegister src) {
954 lgdr(dst, src); 954 lgdr(dst, src);
955 } 955 }
956 956
957 void MacroAssembler::MovInt64ToDouble(DoubleRegister dst, Register src) { 957 void MacroAssembler::MovInt64ToDouble(DoubleRegister dst, Register src) {
958 ldgr(dst, src); 958 ldgr(dst, src);
959 } 959 }
960 960
961 void MacroAssembler::StubPrologue(StackFrame::Type type, Register base, 961 void MacroAssembler::StubPrologue(StackFrame::Type type, Register base,
962 int prologue_offset) { 962 int prologue_offset) {
963 LoadSmiLiteral(r1, Smi::FromInt(type)); 963 {
964 PushCommonFrame(r1); 964 ConstantPoolUnavailableScope constant_pool_unavailable(this);
965 LoadSmiLiteral(r1, Smi::FromInt(type));
966 PushCommonFrame(r1);
967 }
965 } 968 }
966 969
967 void MacroAssembler::Prologue(bool code_pre_aging, Register base, 970 void MacroAssembler::Prologue(bool code_pre_aging, Register base,
968 int prologue_offset) { 971 int prologue_offset) {
969 DCHECK(!base.is(no_reg)); 972 DCHECK(!base.is(no_reg));
970 { 973 {
971 PredictableCodeSizeScope predictible_code_size_scope( 974 PredictableCodeSizeScope predictible_code_size_scope(
972 this, kNoCodeAgeSequenceLength); 975 this, kNoCodeAgeSequenceLength);
973 // The following instructions must remain together and unmodified 976 // The following instructions must remain together and unmodified
974 // for code aging to work properly. 977 // for code aging to work properly.
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5524 } 5527 }
5525 if (mag.shift > 0) ShiftRightArith(result, result, Operand(mag.shift)); 5528 if (mag.shift > 0) ShiftRightArith(result, result, Operand(mag.shift));
5526 ExtractBit(r0, dividend, 31); 5529 ExtractBit(r0, dividend, 31);
5527 AddP(result, r0); 5530 AddP(result, r0);
5528 } 5531 }
5529 5532
5530 } // namespace internal 5533 } // namespace internal
5531 } // namespace v8 5534 } // namespace v8
5532 5535
5533 #endif // V8_TARGET_ARCH_S390 5536 #endif // V8_TARGET_ARCH_S390
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