| // Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM. |
| #if defined(TARGET_ARCH_ARM) |
| |
| #include "vm/compiler/assembler/assembler.h" |
| #include "vm/compiler/graph_intrinsifier.h" |
| |
| namespace dart { |
| namespace compiler { |
| |
| #define __ assembler-> |
| |
| intptr_t GraphIntrinsifier::ParameterSlotFromSp() { |
| return -1; |
| } |
| |
| void GraphIntrinsifier::IntrinsicCallPrologue(Assembler* assembler) { |
| COMPILE_ASSERT(IsAbiPreservedRegister(CODE_REG)); |
| COMPILE_ASSERT(IsAbiPreservedRegister(ARGS_DESC_REG)); |
| COMPILE_ASSERT(IsAbiPreservedRegister(CALLEE_SAVED_TEMP)); |
| |
| // Save LR by moving it to a callee saved temporary register. |
| __ Comment("IntrinsicCallPrologue"); |
| SPILLS_RETURN_ADDRESS_FROM_LR_TO_REGISTER( |
| __ mov(CALLEE_SAVED_TEMP, Operand(LR))); |
| } |
| |
| void GraphIntrinsifier::IntrinsicCallEpilogue(Assembler* assembler) { |
| // Restore LR. |
| __ Comment("IntrinsicCallEpilogue"); |
| RESTORES_RETURN_ADDRESS_FROM_REGISTER_TO_LR( |
| __ mov(LR, Operand(CALLEE_SAVED_TEMP))); |
| } |
| |
| #undef __ |
| |
| } // namespace compiler |
| } // namespace dart |
| |
| #endif // defined(TARGET_ARCH_ARM) |
