| 1 | // Copyright (c) 2021, the Dart project authors. Please see the AUTHORS file |
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| 2 | // for details. All rights reserved. Use of this source code is governed by a |
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| 3 | // BSD-style license that can be found in the LICENSE file. |
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| 4 | |
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| 5 | #include "platform/assert.h" |
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| 6 | #include "vm/globals.h" |
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| 7 | #if defined(TARGET_ARCH_RISCV32) || defined(TARGET_ARCH_RISCV64) |
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| 8 | |
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| 9 | #include "vm/compiler/assembler/assembler.h" |
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| 10 | #include "vm/object.h" |
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| 11 | #include "vm/unit_test.h" |
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| 12 | |
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| 13 | namespace dart { |
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| 14 | |
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| 15 | #define __ assembler-> |
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| 16 | |
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| 17 | // Generate a simple dart code sequence. |
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| 18 | // This is used to test Code and Instruction object creation. |
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| 19 | void GenerateIncrement(compiler::Assembler* assembler) { |
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| 20 | __ EnterFrame(1 * kWordSize); |
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| 21 | __ li(A0, 0); |
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| 22 | __ PushRegister(A0); |
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| 23 | __ addi(A0, A0, 1); |
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| 24 | __ sx(A0, compiler::Address(SP)); |
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| 25 | __ lx(A1, compiler::Address(SP)); |
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| 26 | __ addi(A1, A1, 1); |
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| 27 | __ PopRegister(A0); |
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| 28 | __ mv(A0, A1); |
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| 29 | __ LeaveFrame(); |
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| 30 | __ ret(); |
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| 31 | } |
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| 32 | |
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| 33 | // Generate a dart code sequence that embeds a string object in it. |
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| 34 | // This is used to test Embedded String objects in the instructions. |
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| 35 | void GenerateEmbedStringInCode(compiler::Assembler* assembler, |
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| 36 | const char* str) { |
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| 37 | const String& string_object = |
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| 38 | String::ZoneHandle(String::New(str, Heap::kOld)); |
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| 39 | __ EnterStubFrame(); |
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| 40 | __ LoadObject(A0, string_object); |
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| 41 | __ LeaveStubFrame(); |
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| 42 | __ ret(); |
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| 43 | } |
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| 44 | |
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| 45 | // Generate a dart code sequence that embeds a smi object in it. |
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| 46 | // This is used to test Embedded Smi objects in the instructions. |
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| 47 | void GenerateEmbedSmiInCode(compiler::Assembler* assembler, intptr_t value) { |
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| 48 | const Smi& smi_object = Smi::ZoneHandle(Smi::New(value)); |
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| 49 | const intx_t val = static_cast<intx_t>(smi_object.ptr()); |
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| 50 | __ LoadImmediate(A0, val); |
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| 51 | __ ret(); |
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| 52 | } |
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| 53 | |
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| 54 | } // namespace dart |
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| 55 | |
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| 56 | #endif // defined TARGET_ARCH_RISCV |
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| 57 | |
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