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comparison: js/src/jit/arm/BaselineRegisters-arm.h
js/src/jit/arm/BaselineRegisters-arm.h
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * vim: set ts=8 sts=4 et sw=4 tw=99: | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef jit_arm_BaselineRegisters_arm_h | |
| 8 #define jit_arm_BaselineRegisters_arm_h | |
| 9 | |
| 10 #ifdef JS_ION | |
| 11 | |
| 12 #include "jit/IonMacroAssembler.h" | |
| 13 | |
| 14 namespace js { | |
| 15 namespace jit { | |
| 16 | |
| 17 // r15 = program-counter | |
| 18 // r14 = link-register | |
| 19 | |
| 20 // r13 = stack-pointer | |
| 21 // r11 = frame-pointer | |
| 22 static MOZ_CONSTEXPR_VAR Register BaselineFrameReg = r11; | |
| 23 static MOZ_CONSTEXPR_VAR Register BaselineStackReg = sp; | |
| 24 | |
| 25 // ValueOperands R0, R1, and R2. | |
| 26 // R0 == JSReturnReg, and R2 uses registers not | |
| 27 // preserved across calls. R1 value should be | |
| 28 // preserved across calls. | |
| 29 static MOZ_CONSTEXPR_VAR ValueOperand R0(r3, r2); | |
| 30 static MOZ_CONSTEXPR_VAR ValueOperand R1(r5, r4); | |
| 31 static MOZ_CONSTEXPR_VAR ValueOperand R2(r1, r0); | |
| 32 | |
| 33 // BaselineTailCallReg and BaselineStubReg | |
| 34 // These use registers that are not preserved across | |
| 35 // calls. | |
| 36 static MOZ_CONSTEXPR_VAR Register BaselineTailCallReg = r14; | |
| 37 static MOZ_CONSTEXPR_VAR Register BaselineStubReg = r9; | |
| 38 | |
| 39 static MOZ_CONSTEXPR_VAR Register ExtractTemp0 = InvalidReg; | |
| 40 static MOZ_CONSTEXPR_VAR Register ExtractTemp1 = InvalidReg; | |
| 41 | |
| 42 // Register used internally by MacroAssemblerARM. | |
| 43 static MOZ_CONSTEXPR_VAR Register BaselineSecondScratchReg = r6; | |
| 44 | |
| 45 // R7 - R9 are generally available for use within stubcode. | |
| 46 | |
| 47 // Note that BaselineTailCallReg is actually just the link | |
| 48 // register. In ARM code emission, we do not clobber BaselineTailCallReg | |
| 49 // since we keep the return address for calls there. | |
| 50 | |
| 51 // FloatReg0 must be equal to ReturnFloatReg. | |
| 52 static MOZ_CONSTEXPR_VAR FloatRegister FloatReg0 = d0; | |
| 53 static MOZ_CONSTEXPR_VAR FloatRegister FloatReg1 = d1; | |
| 54 | |
| 55 } // namespace jit | |
| 56 } // namespace js | |
| 57 | |
| 58 #endif // JS_ION | |
| 59 | |
| 60 #endif /* jit_arm_BaselineRegisters_arm_h */ |
