diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/jit/mips-shared/MoveEmitter-mips-shared.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/jit/mips-shared/MoveEmitter-mips-shared.h')
-rw-r--r-- | js/src/jit/mips-shared/MoveEmitter-mips-shared.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/js/src/jit/mips-shared/MoveEmitter-mips-shared.h b/js/src/jit/mips-shared/MoveEmitter-mips-shared.h new file mode 100644 index 0000000000..81dbaddc45 --- /dev/null +++ b/js/src/jit/mips-shared/MoveEmitter-mips-shared.h @@ -0,0 +1,73 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef jit_mips_shared_MoveEmitter_mips_shared_h +#define jit_mips_shared_MoveEmitter_mips_shared_h + +#include "jit/MacroAssembler.h" +#include "jit/MoveResolver.h" + +namespace js { +namespace jit { + +class MoveEmitterMIPSShared { + protected: + uint32_t inCycle_; + MacroAssembler& masm; + + // Original stack push value. + uint32_t pushedAtStart_; + + // These store stack offsets to spill locations, snapshotting + // codegen->framePushed_ at the time they were allocated. They are -1 if no + // stack space has been allocated for that particular spill. + int32_t pushedAtCycle_; + int32_t pushedAtSpill_; + + // These are registers that are available for temporary use. They may be + // assigned InvalidReg. If no corresponding spill space has been assigned, + // then these registers do not need to be spilled. + Register spilledReg_; + FloatRegister spilledFloatReg_; + + void assertDone(); + Register tempReg(); + FloatRegister tempFloatReg(); + Address cycleSlot(uint32_t slot, uint32_t subslot = 0) const; + int32_t getAdjustedOffset(const MoveOperand& operand); + Address getAdjustedAddress(const MoveOperand& operand); + + void emitMove(const MoveOperand& from, const MoveOperand& to); + void emitInt32Move(const MoveOperand& from, const MoveOperand& to); + void emitFloat32Move(const MoveOperand& from, const MoveOperand& to); + virtual void emitDoubleMove(const MoveOperand& from, + const MoveOperand& to) = 0; + virtual void breakCycle(const MoveOperand& from, const MoveOperand& to, + MoveOp::Type type, uint32_t slot) = 0; + virtual void completeCycle(const MoveOperand& from, const MoveOperand& to, + MoveOp::Type type, uint32_t slot) = 0; + void emit(const MoveOp& move); + + public: + MoveEmitterMIPSShared(MacroAssembler& masm) + : inCycle_(0), + masm(masm), + pushedAtStart_(masm.framePushed()), + pushedAtCycle_(-1), + pushedAtSpill_(-1), + spilledReg_(InvalidReg), + spilledFloatReg_(InvalidFloatReg) {} + ~MoveEmitterMIPSShared() { assertDone(); } + void emit(const MoveResolver& moves); + void finish(); + + void setScratchRegister(Register reg) {} +}; + +} // namespace jit +} // namespace js + +#endif /* jit_mips_shared_MoveEmitter_mips_shared_h */ |