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// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_WASM_BASELINE_MIPS64_LIFTOFF_ASSEMBLER_MIPS64_H_
#define V8_WASM_BASELINE_MIPS64_LIFTOFF_ASSEMBLER_MIPS64_H_
#include "src/base/platform/wrappers.h"
#include "src/codegen/machine-type.h"
#include "src/heap/memory-chunk.h"
#include "src/wasm/baseline/liftoff-assembler.h"
#include "src/wasm/wasm-objects.h"
namespace v8 {
namespace internal {
namespace wasm {
namespace liftoff {
inline constexpr Condition ToCondition(LiftoffCondition liftoff_cond) {
switch (liftoff_cond) {
case kEqual:
return eq;
case kUnequal:
return ne;
case kSignedLessThan:
return lt;
case kSignedLessEqual:
return le;
case kSignedGreaterThan:
return gt;
case kSignedGreaterEqual:
return ge;
case kUnsignedLessThan:
return ult;
case kUnsignedLessEqual:
return ule;
case kUnsignedGreaterThan:
return ugt;
case kUnsignedGreaterEqual:
return uge;
}
}
// Liftoff Frames.
//
// slot Frame
// +--------------------+---------------------------
// n+4 | optional padding slot to keep the stack 16 byte aligned.
// n+3 | parameter n |
// ... | ... |
// 4 | parameter 1 | or parameter 2
// 3 | parameter 0 | or parameter 1
// 2 | (result address) | or parameter 0
// -----+--------------------+---------------------------
// 1 | return addr (ra) |
// 0 | previous frame (fp)|
// -----+--------------------+ <-- frame ptr (fp)
// -1 | 0xa: WASM |
// -2 | instance |
// -----+--------------------+---------------------------
// -3 | slot 0 | ^
// -4 | slot 1 | |
// | | Frame slots
// | | |
// | | v
// | optional padding slot to keep the stack 16 byte aligned.
// -----+--------------------+ <-- stack ptr (sp)
//
// fp-8 holds the stack marker, fp-16 is the instance parameter.
constexpr int kInstanceOffset = 16;
inline MemOperand GetStackSlot(int offset) { return MemOperand(fp, -offset); }
inline MemOperand GetInstanceOperand() { return GetStackSlot(kInstanceOffset); }
template <typename T>
inline MemOperand GetMemOp(LiftoffAssembler* assm, Register addr,
Register offset, T offset_imm) {
if (is_int32(offset_imm)) {
int32_t offset_imm32 = static_cast<int32_t>(offset_imm);
if (offset == no_reg) return MemOperand(addr, offset_imm32);
assm->daddu(kScratchReg, addr, offset);
return MemOperand(kScratchReg, offset_imm32);
}
// Offset immediate does not fit in 31 bits.
assm->li(kScratchReg, offset_imm);
assm->daddu(kScratchReg, kScratchReg, addr);
if (offset != no_reg) {
assm->daddu(kScratchReg, kScratchReg, offset);
}
return MemOperand(kScratchReg, 0);
}
inline void Load(LiftoffAssembler* assm, LiftoffRegister dst, MemOperand src,
ValueKind kind) {
switch (kind) {
case kI32:
assm->Lw(dst.gp(), src);
break;
case kI64:
case kRef:
case kOptRef:
case kRtt:
case kRttWithDepth:
assm->Ld(dst.gp(), src);
break;
case kF32:
assm->Lwc1(dst.fp(), src);
break;
case kF64:
assm->Ldc1(dst.fp(), src);
break;
case kS128:
assm->ld_b(dst.fp().toW(), src);
break;
default:
UNREACHABLE();
}
}
inline void Store(LiftoffAssembler* assm, Register base, int32_t offset,
LiftoffRegister src, ValueKind kind) {
MemOperand dst(base, offset);
switch (kind) {
case kI32:
assm->Usw(src.gp(), dst);
break;
case kI64:
case kOptRef:
case kRef:
case kRtt:
case kRttWithDepth:
assm->Usd(src.gp(), dst);
break;
case kF32:
assm->Uswc1(src.fp(), dst, t8);
break;
case kF64:
assm->Usdc1(src.fp(), dst, t8);
break;
case kS128:
assm->st_b(src.fp().toW(), dst);
break;
default:
UNREACHABLE();
}
}
inline void push(LiftoffAssembler* assm, LiftoffRegister reg, ValueKind kind) {
switch (kind) {
case kI32:
assm->daddiu(sp, sp, -kSystemPointerSize);
assm->sw(reg.gp(), MemOperand(sp, 0));
break;
case kI64:
case kOptRef:
case kRef:
case kRtt:
assm->push(reg.gp());
break;
case kF32:
assm->daddiu(sp, sp, -kSystemPointerSize);
assm->swc1(reg.fp(), MemOperand(sp, 0));
break;
case kF64:
assm->daddiu(sp, sp, -kSystemPointerSize);
assm->Sdc1(reg.fp(), MemOperand(sp, 0));
break;
case kS128:
assm->daddiu(sp, sp, -kSystemPointerSize * 2);
assm->st_b(reg.fp().toW(), MemOperand(sp, 0));
break;
default:
UNREACHABLE();
}
}
#if defined(V8_TARGET_BIG_ENDIAN)
inline void ChangeEndiannessLoad(LiftoffAssembler* assm, LiftoffRegister dst,
LoadType type, LiftoffRegList pinned) {
bool is_float = false;
LiftoffRegister tmp = dst;
switch (type.value()) {
case LoadType::kI64Load8U:
case LoadType::kI64Load8S:
case LoadType::kI32Load8U:
case LoadType::kI32Load8S:
// No need to change endianness for byte size.
return;
case LoadType::kF32Load:
is_float = true;
tmp = assm->GetUnusedRegister(kGpReg, pinned);
assm->emit_type_conversion(kExprI32ReinterpretF32, tmp, dst);
V8_FALLTHROUGH;
case LoadType::kI64Load32U:
assm->TurboAssembler::ByteSwapUnsigned(tmp.gp(), tmp.gp(), 4);
break;
case LoadType::kI32Load:
case LoadType::kI64Load32S:
assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 4);
break;
case LoadType::kI32Load16S:
case LoadType::kI64Load16S:
assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 2);
break;
case LoadType::kI32Load16U:
case LoadType::kI64Load16U:
assm->TurboAssembler::ByteSwapUnsigned(tmp.gp(), tmp.gp(), 2);
break;
case LoadType::kF64Load:
is_float = true;
tmp = assm->GetUnusedRegister(kGpReg, pinned);
assm->emit_type_conversion(kExprI64ReinterpretF64, tmp, dst);
V8_FALLTHROUGH;
case LoadType::kI64Load:
assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 8);
break;
default:
UNREACHABLE();
}
if (is_float) {
switch (type.value()) {
case LoadType::kF32Load:
assm->emit_type_conversion(kExprF32ReinterpretI32, dst, tmp);
break;
case LoadType::kF64Load:
assm->emit_type_conversion(kExprF64ReinterpretI64, dst, tmp);
break;
default:
UNREACHABLE();
}
}
}
inline void ChangeEndiannessStore(LiftoffAssembler* assm, LiftoffRegister src,
StoreType type, LiftoffRegList pinned) {
bool is_float = false;
LiftoffRegister tmp = src;
switch (type.value()) {
case StoreType::kI64Store8:
case StoreType::kI32Store8:
// No need to change endianness for byte size.
return;
case StoreType::kF32Store:
is_float = true;
tmp = assm->GetUnusedRegister(kGpReg, pinned);
assm->emit_type_conversion(kExprI32ReinterpretF32, tmp, src);
V8_FALLTHROUGH;
case StoreType::kI32Store:
assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 4);
break;
case StoreType::kI32Store16:
assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 2);
break;
case StoreType::kF64Store:
is_float = true;
tmp = assm->GetUnusedRegister(kGpReg, pinned);
assm->emit_type_conversion(kExprI64ReinterpretF64, tmp, src);
V8_FALLTHROUGH;
case StoreType::kI64Store:
assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 8);
break;
case StoreType::kI64Store32:
assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 4);
break;
case StoreType::kI64Store16:
assm->TurboAssembler::ByteSwapSigned(tmp.gp(), tmp.gp(), 2);
break;
default:
UNREACHABLE();
}
if (is_float) {
switch (type.value()) {
case StoreType::kF32Store:
assm->emit_type_conversion(kExprF32ReinterpretI32, src, tmp);
break;
case StoreType::kF64Store:
assm->emit_type_conversion(kExprF64ReinterpretI64, src, tmp);
break;
default:
UNREACHABLE();
}
}
}
#endif // V8_TARGET_BIG_ENDIAN
} // namespace liftoff
int LiftoffAssembler::PrepareStackFrame() {
int offset = pc_offset();
// When the frame size is bigger than 4KB, we need seven instructions for
// stack checking, so we reserve space for this case.
daddiu(sp, sp, 0);
nop();
nop();
nop();
nop();
nop();
nop();
return offset;
}
void LiftoffAssembler::PrepareTailCall(int num_callee_stack_params,
int stack_param_delta) {
UseScratchRegisterScope temps(this);
Register scratch = temps.Acquire();
// Push the return address and frame pointer to complete the stack frame.
Ld(scratch, MemOperand(fp, 8));
Push(scratch);
Ld(scratch, MemOperand(fp, 0));
Push(scratch);
// Shift the whole frame upwards.
int slot_count = num_callee_stack_params + 2;
for (int i = slot_count - 1; i >= 0; --i) {
Ld(scratch, MemOperand(sp, i * 8));
Sd(scratch, MemOperand(fp, (i - stack_param_delta) * 8));
}
// Set the new stack and frame pointer.
daddiu(sp, fp, -stack_param_delta * 8);
Pop(ra, fp);
}
void LiftoffAssembler::AlignFrameSize() {}
void LiftoffAssembler::PatchPrepareStackFrame(
int offset, SafepointTableBuilder* safepoint_table_builder) {
// The frame_size includes the frame marker and the instance slot. Both are
// pushed as part of frame construction, so we don't need to allocate memory
// for them anymore.
int frame_size = GetTotalFrameSize() - 2 * kSystemPointerSize;
// We can't run out of space, just pass anything big enough to not cause the
// assembler to try to grow the buffer.
constexpr int kAvailableSpace = 256;
TurboAssembler patching_assembler(
nullptr, AssemblerOptions{}, CodeObjectRequired::kNo,
ExternalAssemblerBuffer(buffer_start_ + offset, kAvailableSpace));
if (V8_LIKELY(frame_size < 4 * KB)) {
// This is the standard case for small frames: just subtract from SP and be
// done with it.
patching_assembler.Daddu(sp, sp, Operand(-frame_size));
return;
}
// The frame size is bigger than 4KB, so we might overflow the available stack
// space if we first allocate the frame and then do the stack check (we will
// need some remaining stack space for throwing the exception). That's why we
// check the available stack space before we allocate the frame. To do this we
// replace the {__ Daddu(sp, sp, -frame_size)} with a jump to OOL code that
// does this "extended stack check".
//
// The OOL code can simply be generated here with the normal assembler,
// because all other code generation, including OOL code, has already finished
// when {PatchPrepareStackFrame} is called. The function prologue then jumps
// to the current {pc_offset()} to execute the OOL code for allocating the
// large frame.
// Emit the unconditional branch in the function prologue (from {offset} to
// {pc_offset()}).
int imm32 = pc_offset() - offset - 3 * kInstrSize;
patching_assembler.BranchLong(imm32);
// If the frame is bigger than the stack, we throw the stack overflow
// exception unconditionally. Thereby we can avoid the integer overflow
// check in the condition code.
RecordComment("OOL: stack check for large frame");
Label continuation;
if (frame_size < FLAG_stack_size * 1024) {
Register stack_limit = kScratchReg;
Ld(stack_limit,
FieldMemOperand(kWasmInstanceRegister,
WasmInstanceObject::kRealStackLimitAddressOffset));
Ld(stack_limit, MemOperand(stack_limit));
Daddu(stack_limit, stack_limit, Operand(frame_size));
Branch(&continuation, uge, sp, Operand(stack_limit));
}
Call(wasm::WasmCode::kWasmStackOverflow, RelocInfo::WASM_STUB_CALL);
// The call will not return; just define an empty safepoint.
safepoint_table_builder->DefineSafepoint(this);
if (FLAG_debug_code) stop();
bind(&continuation);
// Now allocate the stack space. Note that this might do more than just
// decrementing the SP;
Daddu(sp, sp, Operand(-frame_size));
// Jump back to the start of the function, from {pc_offset()} to
// right after the reserved space for the {__ Daddu(sp, sp, -framesize)}
// (which is a Branch now).
int func_start_offset = offset + 7 * kInstrSize;
imm32 = func_start_offset - pc_offset() - 3 * kInstrSize;
BranchLong(imm32);
}
void LiftoffAssembler::FinishCode() {}
void LiftoffAssembler::AbortCompilation() {}
// static
constexpr int LiftoffAssembler::StaticStackFrameSize() {
return liftoff::kInstanceOffset;
}
int LiftoffAssembler::SlotSizeForType(ValueKind kind) {
switch (kind) {
case kS128:
return element_size_bytes(kind);
default:
return kStackSlotSize;
}
}
bool LiftoffAssembler::NeedsAlignment(ValueKind kind) {
return kind == kS128 || is_reference(kind);
}
void LiftoffAssembler::LoadConstant(LiftoffRegister reg, WasmValue value,
RelocInfo::Mode rmode) {
switch (value.type().kind()) {
case kI32:
TurboAssembler::li(reg.gp(), Operand(value.to_i32(), rmode));
break;
case kI64:
TurboAssembler::li(reg.gp(), Operand(value.to_i64(), rmode));
break;
case kF32:
TurboAssembler::Move(reg.fp(), value.to_f32_boxed().get_bits());
break;
case kF64:
TurboAssembler::Move(reg.fp(), value.to_f64_boxed().get_bits());
break;
default:
UNREACHABLE();
}
}
void LiftoffAssembler::LoadInstanceFromFrame(Register dst) {
Ld(dst, liftoff::GetInstanceOperand());
}
void LiftoffAssembler::LoadFromInstance(Register dst, Register instance,
int offset, int size) {
DCHECK_LE(0, offset);
switch (size) {
case 1:
Lb(dst, MemOperand(instance, offset));
break;
case 4:
Lw(dst, MemOperand(instance, offset));
break;
case 8:
Ld(dst, MemOperand(instance, offset));
break;
default:
UNIMPLEMENTED();
}
}
void LiftoffAssembler::LoadTaggedPointerFromInstance(Register dst,
Register instance,
int32_t offset) {
STATIC_ASSERT(kTaggedSize == kSystemPointerSize);
Ld(dst, MemOperand(instance, offset));
}
void LiftoffAssembler::SpillInstance(Register instance) {
Sd(instance, liftoff::GetInstanceOperand());
}
void LiftoffAssembler::ResetOSRTarget() {}
void LiftoffAssembler::FillInstanceInto(Register dst) {
Ld(dst, liftoff::GetInstanceOperand());
}
void LiftoffAssembler::LoadTaggedPointer(Register dst, Register src_addr,
Register offset_reg,
int32_t offset_imm,
LiftoffRegList pinned) {
STATIC_ASSERT(kTaggedSize == kInt64Size);
MemOperand src_op = liftoff::GetMemOp(this, src_addr, offset_reg, offset_imm);
Ld(dst, src_op);
}
void LiftoffAssembler::LoadFullPointer(Register dst, Register src_addr,
int32_t offset_imm) {
MemOperand src_op = liftoff::GetMemOp(this, src_addr, no_reg, offset_imm);
Ld(dst, src_op);
}
void LiftoffAssembler::StoreTaggedPointer(Register dst_addr,
Register offset_reg,
int32_t offset_imm,
LiftoffRegister src,
LiftoffRegList pinned,
SkipWriteBarrier skip_write_barrier) {
STATIC_ASSERT(kTaggedSize == kInt64Size);
Register scratch = pinned.set(GetUnusedRegister(kGpReg, pinned)).gp();
MemOperand dst_op = liftoff::GetMemOp(this, dst_addr, offset_reg, offset_imm);
Sd(src.gp(), dst_op);
if (skip_write_barrier || FLAG_disable_write_barriers) return;
Label write_barrier;
Label exit;
CheckPageFlag(dst_addr, scratch,
MemoryChunk::kPointersFromHereAreInterestingMask, ne,
&write_barrier);
Branch(&exit);
bind(&write_barrier);
JumpIfSmi(src.gp(), &exit);
CheckPageFlag(src.gp(), scratch,
MemoryChunk::kPointersToHereAreInterestingMask, eq,
&exit);
Daddu(scratch, dst_op.rm(), dst_op.offset());
CallRecordWriteStubSaveRegisters(
dst_addr, scratch, RememberedSetAction::kEmit, SaveFPRegsMode::kSave,
StubCallMode::kCallWasmRuntimeStub);
bind(&exit);
}
void LiftoffAssembler::Load(LiftoffRegister dst, Register src_addr,
Register offset_reg, uintptr_t offset_imm,
LoadType type, LiftoffRegList pinned,
uint32_t* protected_load_pc, bool is_load_mem,
bool i64_offset) {
MemOperand src_op = liftoff::GetMemOp(this, src_addr, offset_reg, offset_imm);
if (protected_load_pc) *protected_load_pc = pc_offset();
switch (type.value()) {
case LoadType::kI32Load8U:
case LoadType::kI64Load8U:
Lbu(dst.gp(), src_op);
break;
case LoadType::kI32Load8S:
case LoadType::kI64Load8S:
Lb(dst.gp(), src_op);
break;
case LoadType::kI32Load16U:
case LoadType::kI64Load16U:
TurboAssembler::Ulhu(dst.gp(), src_op);
break;
case LoadType::kI32Load16S:
case LoadType::kI64Load16S:
TurboAssembler::Ulh(dst.gp(), src_op);
break;
case LoadType::kI64Load32U:
TurboAssembler::Ulwu(dst.gp(), src_op);
break;
case LoadType::kI32Load:
case LoadType::kI64Load32S:
TurboAssembler::Ulw(dst.gp(), src_op);
break;
case LoadType::kI64Load:
TurboAssembler::Uld(dst.gp(), src_op);
break;
case LoadType::kF32Load:
TurboAssembler::Ulwc1(dst.fp(), src_op, t8);
break;
case LoadType::kF64Load:
TurboAssembler::Uldc1(dst.fp(), src_op, t8);
break;
case LoadType::kS128Load:
TurboAssembler::ld_b(dst.fp().toW(), src_op);
break;
default:
UNREACHABLE();
}
#if defined(V8_TARGET_BIG_ENDIAN)
if (is_load_mem) {
pinned.set(src_op.rm());
liftoff::ChangeEndiannessLoad(this, dst, type, pinned);
}
#endif
}
void LiftoffAssembler::Store(Register dst_addr, Register offset_reg,
uintptr_t offset_imm, LiftoffRegister src,
StoreType type, LiftoffRegList pinned,
uint32_t* protected_store_pc, bool is_store_mem) {
MemOperand dst_op = liftoff::GetMemOp(this, dst_addr, offset_reg, offset_imm);
#if defined(V8_TARGET_BIG_ENDIAN)
if (is_store_mem) {
pinned.set(dst_op.rm());
LiftoffRegister tmp = GetUnusedRegister(src.reg_class(), pinned);
// Save original value.
Move(tmp, src, type.value_type());
src = tmp;
pinned.set(tmp);
liftoff::ChangeEndiannessStore(this, src, type, pinned);
}
#endif
if (protected_store_pc) *protected_store_pc = pc_offset();
switch (type.value()) {
case StoreType::kI32Store8:
case StoreType::kI64Store8:
Sb(src.gp(), dst_op);
break;
case StoreType::kI32Store16:
case StoreType::kI64Store16:
TurboAssembler::Ush(src.gp(), dst_op, t8);
break;
case StoreType::kI32Store:
case StoreType::kI64Store32:
TurboAssembler::Usw(src.gp(), dst_op);
break;
case StoreType::kI64Store:
TurboAssembler::Usd(src.gp(), dst_op);
break;
case StoreType::kF32Store:
TurboAssembler::Uswc1(src.fp(), dst_op, t8);
break;
case StoreType::kF64Store:
TurboAssembler::Usdc1(src.fp(), dst_op, t8);
break;
case StoreType::kS128Store:
TurboAssembler::st_b(src.fp().toW(), dst_op);
break;
default:
UNREACHABLE();
}
}
void LiftoffAssembler::AtomicLoad(LiftoffRegister dst, Register src_addr,
Register offset_reg, uintptr_t offset_imm,
LoadType type, LiftoffRegList pinned) {
bailout(kAtomics, "AtomicLoad");
}
void LiftoffAssembler::AtomicStore(Register dst_addr, Register offset_reg,
uintptr_t offset_imm, LiftoffRegister src,
StoreType type, LiftoffRegList pinned) {
bailout(kAtomics, "AtomicStore");
}
void LiftoffAssembler::AtomicAdd(Register dst_addr, Register offset_reg,
uintptr_t offset_imm, LiftoffRegister value,
LiftoffRegister result, StoreType type) {
bailout(kAtomics, "AtomicAdd");
}
void LiftoffAssembler::AtomicSub(Register dst_addr, Register offset_reg,
uintptr_t offset_imm, LiftoffRegister value,
LiftoffRegister result, StoreType type) {
bailout(kAtomics, "AtomicSub");
}
void LiftoffAssembler::AtomicAnd(Register dst_addr, Register offset_reg,
uintptr_t offset_imm, LiftoffRegister value,
LiftoffRegister result, StoreType type) {
bailout(kAtomics, "AtomicAnd");
}
void LiftoffAssembler::AtomicOr(Register dst_addr, Register offset_reg,
uintptr_t offset_imm, LiftoffRegister value,
LiftoffRegister result, StoreType type) {
bailout(kAtomics, "AtomicOr");
}
void LiftoffAssembler::AtomicXor(Register dst_addr, Register offset_reg,
uintptr_t offset_imm, LiftoffRegister value,
LiftoffRegister result, StoreType type) {
bailout(kAtomics, "AtomicXor");
}
void LiftoffAssembler::AtomicExchange(Register dst_addr, Register offset_reg,
uintptr_t offset_imm,
LiftoffRegister value,
LiftoffRegister result, StoreType type) {
bailout(kAtomics, "AtomicExchange");
}
void LiftoffAssembler::AtomicCompareExchange(
Register dst_addr, Register offset_reg, uintptr_t offset_imm,
LiftoffRegister expected, LiftoffRegister new_value, LiftoffRegister result,
StoreType type) {
bailout(kAtomics, "AtomicCompareExchange");
}
void LiftoffAssembler::AtomicFence() { sync(); }
void LiftoffAssembler::LoadCallerFrameSlot(LiftoffRegister dst,
uint32_t caller_slot_idx,
ValueKind kind) {
MemOperand src(fp, kSystemPointerSize * (caller_slot_idx + 1));
liftoff::Load(this, dst, src, kind);
}
void LiftoffAssembler::StoreCallerFrameSlot(LiftoffRegister src,
uint32_t caller_slot_idx,
ValueKind kind) {
int32_t offset = kSystemPointerSize * (caller_slot_idx + 1);
liftoff::Store(this, fp, offset, src, kind);
}
void LiftoffAssembler::LoadReturnStackSlot(LiftoffRegister dst, int offset,
ValueKind kind) {
liftoff::Load(this, dst, MemOperand(sp, offset), kind);
}
void LiftoffAssembler::MoveStackValue(uint32_t dst_offset, uint32_t src_offset,
ValueKind kind) {
DCHECK_NE(dst_offset, src_offset);
LiftoffRegister reg = GetUnusedRegister(reg_class_for(kind), {});
Fill(reg, src_offset, kind);
Spill(dst_offset, reg, kind);
}
void LiftoffAssembler::Move(Register dst, Register src, ValueKind kind) {
DCHECK_NE(dst, src);
// TODO(ksreten): Handle different sizes here.
TurboAssembler::Move(dst, src);
}
void LiftoffAssembler::Move(DoubleRegister dst, DoubleRegister src,
ValueKind kind) {
DCHECK_NE(dst, src);
if (kind != kS128) {
TurboAssembler::Move(dst, src);
} else {
TurboAssembler::move_v(dst.toW(), src.toW());
}
}
void LiftoffAssembler::Spill(int offset, LiftoffRegister reg, ValueKind kind) {
RecordUsedSpillOffset(offset);
MemOperand dst = liftoff::GetStackSlot(offset);
switch (kind) {
case kI32:
Sw(reg.gp(), dst);
break;
case kI64:
case kRef:
case kOptRef:
case kRtt:
case kRttWithDepth:
Sd(reg.gp(), dst);
break;
case kF32:
Swc1(reg.fp(), dst);
break;
case kF64:
TurboAssembler::Sdc1(reg.fp(), dst);
break;
case kS128:
TurboAssembler::st_b(reg.fp().toW(), dst);
break;
default:
UNREACHABLE();
}
}
void LiftoffAssembler::Spill(int offset, WasmValue value) {
RecordUsedSpillOffset(offset);
MemOperand dst = liftoff::GetStackSlot(offset);
switch (value.type().kind()) {
case kI32: {
LiftoffRegister tmp = GetUnusedRegister(kGpReg, {});
TurboAssembler::li(tmp.gp(), Operand(value.to_i32()));
Sw(tmp.gp(), dst);
break;
}
case kI64:
case kRef:
case kOptRef: {
LiftoffRegister tmp = GetUnusedRegister(kGpReg, {});
TurboAssembler::li(tmp.gp(), value.to_i64());
Sd(tmp.gp(), dst);
break;
}
default:
// kWasmF32 and kWasmF64 are unreachable, since those
// constants are not tracked.
UNREACHABLE();
}
}
void LiftoffAssembler::Fill(LiftoffRegister reg, int offset, ValueKind kind) {
MemOperand src = liftoff::GetStackSlot(offset);
switch (kind) {
case kI32:
Lw(reg.gp(), src);
break;
case kI64:
case kRef:
case kOptRef:
Ld(reg.gp(), src);
break;
case kF32:
Lwc1(reg.fp(), src);
break;
case kF64:
TurboAssembler::Ldc1(reg.fp(), src);
break;
case kS128:
TurboAssembler::ld_b(reg.fp().toW(), src);
break;
default:
UNREACHABLE();
}
}
void LiftoffAssembler::FillI64Half(Register, int offset, RegPairHalf) {
UNREACHABLE();
}
void LiftoffAssembler::FillStackSlotsWithZero(int start, int size) {
DCHECK_LT(0, size);
RecordUsedSpillOffset(start + size);
if (size <= 12 * kStackSlotSize) {
// Special straight-line code for up to 12 slots. Generates one
// instruction per slot (<= 12 instructions total).
uint32_t remainder = size;
for (; remainder >= kStackSlotSize; remainder -= kStackSlotSize) {
Sd(zero_reg, liftoff::GetStackSlot(start + remainder));
}
DCHECK(remainder == 4 || remainder == 0);
if (remainder) {
Sw(zero_reg, liftoff::GetStackSlot(start + remainder));
}
} else {
// General case for bigger counts (12 instructions).
// Use a0 for start address (inclusive), a1 for end address (exclusive).
Push(a1, a0);
Daddu(a0, fp, Operand(-start - size));
Daddu(a1, fp, Operand(-start));
Label loop;
bind(&loop);
Sd(zero_reg, MemOperand(a0));
daddiu(a0, a0, kSystemPointerSize);
BranchShort(&loop, ne, a0, Operand(a1));
Pop(a1, a0);
}
}
void LiftoffAssembler::emit_i64_clz(LiftoffRegister dst, LiftoffRegister src) {
TurboAssembler::Dclz(dst.gp(), src.gp());
}
void LiftoffAssembler::emit_i64_ctz(LiftoffRegister dst, LiftoffRegister src) {
TurboAssembler::Dctz(dst.gp(), src.gp());
}
bool LiftoffAssembler::emit_i64_popcnt(LiftoffRegister dst,
LiftoffRegister src) {
TurboAssembler::Dpopcnt(dst.gp(), src.gp());
return true;
}
void LiftoffAssembler::emit_i32_mul(Register dst, Register lhs, Register rhs) {
TurboAssembler::Mul(dst, lhs, rhs);
}
void LiftoffAssembler::emit_i32_divs(Register dst, Register lhs, Register rhs,
Label* trap_div_by_zero,
Label* trap_div_unrepresentable) {
TurboAssembler::Branch(trap_div_by_zero, eq, rhs, Operand(zero_reg));
// Check if lhs == kMinInt and rhs == -1, since this case is unrepresentable.
TurboAssembler::li(kScratchReg, 1);
TurboAssembler::li(kScratchReg2, 1);
TurboAssembler::LoadZeroOnCondition(kScratchReg, lhs, Operand(kMinInt), eq);
TurboAssembler::LoadZeroOnCondition(kScratchReg2, rhs, Operand(-1), eq);
daddu(kScratchReg, kScratchReg, kScratchReg2);
TurboAssembler::Branch(trap_div_unrepresentable, eq, kScratchReg,
Operand(zero_reg));
TurboAssembler::Div(dst, lhs, rhs);
}
void LiftoffAssembler::emit_i32_divu(Register dst, Register lhs, Register rhs,
Label* trap_div_by_zero) {
TurboAssembler::Branch(trap_div_by_zero, eq, rhs, Operand(zero_reg));
TurboAssembler::Divu(dst, lhs, rhs);
}
void LiftoffAssembler::emit_i32_rems(Register dst, Register lhs, Register rhs,
Label* trap_div_by_zero) {
TurboAssembler::Branch(trap_div_by_zero, eq, rhs, Operand(zero_reg));
TurboAssembler::Mod(dst, lhs, rhs);
}
void LiftoffAssembler::emit_i32_remu(Register dst, Register lhs, Register rhs,
Label* trap_div_by_zero) {
TurboAssembler::Branch(trap_div_by_zero, eq, rhs, Operand(zero_reg));
TurboAssembler::Modu(dst, lhs, rhs);
}
#define I32_BINOP(name, instruction) \
void LiftoffAssembler::emit_i32_##name(Register dst, Register lhs, \
Register rhs) { \
instruction(dst, lhs, rhs); \
}
// clang-format off
I32_BINOP(add, addu)
I32_BINOP(sub, subu)
I32_BINOP(and, and_)
I32_BINOP(or, or_)
I32_BINOP(xor, xor_)
// clang-format on
#undef I32_BINOP
#define I32_BINOP_I(name, instruction) \
void LiftoffAssembler::emit_i32_##name##i(Register dst, Register lhs, \
int32_t imm) { \
instruction(dst, lhs, Operand(imm)); \
}
// clang-format off
I32_BINOP_I(add, Addu)
I32_BINOP_I(sub, Subu)
I32_BINOP_I(and, And)
I32_BINOP_I(or, Or)
I32_BINOP_I(xor, Xor)
// clang-format on
#undef I32_BINOP_I
void LiftoffAssembler::emit_i32_clz(Register dst, Register src) {
TurboAssembler::Clz(dst, src);
}
void LiftoffAssembler::emit_i32_ctz(Register dst, Register src) {
TurboAssembler::Ctz(dst, src);
}
bool LiftoffAssembler::emit_i32_popcnt(Register dst, Register src) {
TurboAssembler::Popcnt(dst, src);
return true;
}
#define I32_SHIFTOP(name, instruction) \
void LiftoffAssembler::emit_i32_##name(Register dst, Register src, \
Register amount) { \
instruction(dst, src, amount); \
}
#define I32_SHIFTOP_I(name, instruction) \
I32_SHIFTOP(name, instruction##v) \
void LiftoffAssembler::emit_i32_##name##i(Register dst, Register src, \
int amount) { \
instruction(dst, src, amount & 31); \
}
I32_SHIFTOP_I(shl, sll)
I32_SHIFTOP_I(sar, sra)
I32_SHIFTOP_I(shr, srl)
#undef I32_SHIFTOP
#undef I32_SHIFTOP_I
void LiftoffAssembler::emit_i64_addi(LiftoffRegister dst, LiftoffRegister lhs,
int64_t imm) {
TurboAssembler::Daddu(dst.gp(), lhs.gp(), Operand(imm));
}
void LiftoffAssembler::emit_i64_mul(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
TurboAssembler::Dmul(dst.gp(), lhs.gp(), rhs.gp());
}
bool LiftoffAssembler::emit_i64_divs(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs,
Label* trap_div_by_zero,
Label* trap_div_unrepresentable) {
TurboAssembler::Branch(trap_div_by_zero, eq, rhs.gp(), Operand(zero_reg));
// Check if lhs == MinInt64 and rhs == -1, since this case is unrepresentable.
TurboAssembler::li(kScratchReg, 1);
TurboAssembler::li(kScratchReg2, 1);
TurboAssembler::LoadZeroOnCondition(
kScratchReg, lhs.gp(), Operand(std::numeric_limits<int64_t>::min()), eq);
TurboAssembler::LoadZeroOnCondition(kScratchReg2, rhs.gp(), Operand(-1), eq);
daddu(kScratchReg, kScratchReg, kScratchReg2);
TurboAssembler::Branch(trap_div_unrepresentable, eq, kScratchReg,
Operand(zero_reg));
TurboAssembler::Ddiv(dst.gp(), lhs.gp(), rhs.gp());
return true;
}
bool LiftoffAssembler::emit_i64_divu(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs,
Label* trap_div_by_zero) {
TurboAssembler::Branch(trap_div_by_zero, eq, rhs.gp(), Operand(zero_reg));
TurboAssembler::Ddivu(dst.gp(), lhs.gp(), rhs.gp());
return true;
}
bool LiftoffAssembler::emit_i64_rems(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs,
Label* trap_div_by_zero) {
TurboAssembler::Branch(trap_div_by_zero, eq, rhs.gp(), Operand(zero_reg));
TurboAssembler::Dmod(dst.gp(), lhs.gp(), rhs.gp());
return true;
}
bool LiftoffAssembler::emit_i64_remu(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs,
Label* trap_div_by_zero) {
TurboAssembler::Branch(trap_div_by_zero, eq, rhs.gp(), Operand(zero_reg));
TurboAssembler::Dmodu(dst.gp(), lhs.gp(), rhs.gp());
return true;
}
#define I64_BINOP(name, instruction) \
void LiftoffAssembler::emit_i64_##name( \
LiftoffRegister dst, LiftoffRegister lhs, LiftoffRegister rhs) { \
instruction(dst.gp(), lhs.gp(), rhs.gp()); \
}
// clang-format off
I64_BINOP(add, daddu)
I64_BINOP(sub, dsubu)
I64_BINOP(and, and_)
I64_BINOP(or, or_)
I64_BINOP(xor, xor_)
// clang-format on
#undef I64_BINOP
#define I64_BINOP_I(name, instruction) \
void LiftoffAssembler::emit_i64_##name##i( \
LiftoffRegister dst, LiftoffRegister lhs, int32_t imm) { \
instruction(dst.gp(), lhs.gp(), Operand(imm)); \
}
// clang-format off
I64_BINOP_I(and, And)
I64_BINOP_I(or, Or)
I64_BINOP_I(xor, Xor)
// clang-format on
#undef I64_BINOP_I
#define I64_SHIFTOP(name, instruction) \
void LiftoffAssembler::emit_i64_##name( \
LiftoffRegister dst, LiftoffRegister src, Register amount) { \
instruction(dst.gp(), src.gp(), amount); \
}
#define I64_SHIFTOP_I(name, instruction) \
I64_SHIFTOP(name, instruction##v) \
void LiftoffAssembler::emit_i64_##name##i(LiftoffRegister dst, \
LiftoffRegister src, int amount) { \
amount &= 63; \
if (amount < 32) \
instruction(dst.gp(), src.gp(), amount); \
else \
instruction##32(dst.gp(), src.gp(), amount - 32); \
}
I64_SHIFTOP_I(shl, dsll)
I64_SHIFTOP_I(sar, dsra)
I64_SHIFTOP_I(shr, dsrl)
#undef I64_SHIFTOP
#undef I64_SHIFTOP_I
void LiftoffAssembler::emit_u32_to_intptr(Register dst, Register src) {
Dext(dst, src, 0, 32);
}
void LiftoffAssembler::emit_f32_neg(DoubleRegister dst, DoubleRegister src) {
TurboAssembler::Neg_s(dst, src);
}
void LiftoffAssembler::emit_f64_neg(DoubleRegister dst, DoubleRegister src) {
TurboAssembler::Neg_d(dst, src);
}
void LiftoffAssembler::emit_f32_min(DoubleRegister dst, DoubleRegister lhs,
DoubleRegister rhs) {
Label ool, done;
TurboAssembler::Float32Min(dst, lhs, rhs, &ool);
Branch(&done);
bind(&ool);
TurboAssembler::Float32MinOutOfLine(dst, lhs, rhs);
bind(&done);
}
void LiftoffAssembler::emit_f32_max(DoubleRegister dst, DoubleRegister lhs,
DoubleRegister rhs) {
Label ool, done;
TurboAssembler::Float32Max(dst, lhs, rhs, &ool);
Branch(&done);
bind(&ool);
TurboAssembler::Float32MaxOutOfLine(dst, lhs, rhs);
bind(&done);
}
void LiftoffAssembler::emit_f32_copysign(DoubleRegister dst, DoubleRegister lhs,
DoubleRegister rhs) {
bailout(kComplexOperation, "f32_copysign");
}
void LiftoffAssembler::emit_f64_min(DoubleRegister dst, DoubleRegister lhs,
DoubleRegister rhs) {
Label ool, done;
TurboAssembler::Float64Min(dst, lhs, rhs, &ool);
Branch(&done);
bind(&ool);
TurboAssembler::Float64MinOutOfLine(dst, lhs, rhs);
bind(&done);
}
void LiftoffAssembler::emit_f64_max(DoubleRegister dst, DoubleRegister lhs,
DoubleRegister rhs) {
Label ool, done;
TurboAssembler::Float64Max(dst, lhs, rhs, &ool);
Branch(&done);
bind(&ool);
TurboAssembler::Float64MaxOutOfLine(dst, lhs, rhs);
bind(&done);
}
void LiftoffAssembler::emit_f64_copysign(DoubleRegister dst, DoubleRegister lhs,
DoubleRegister rhs) {
bailout(kComplexOperation, "f64_copysign");
}
#define FP_BINOP(name, instruction) \
void LiftoffAssembler::emit_##name(DoubleRegister dst, DoubleRegister lhs, \
DoubleRegister rhs) { \
instruction(dst, lhs, rhs); \
}
#define FP_UNOP(name, instruction) \
void LiftoffAssembler::emit_##name(DoubleRegister dst, DoubleRegister src) { \
instruction(dst, src); \
}
#define FP_UNOP_RETURN_TRUE(name, instruction) \
bool LiftoffAssembler::emit_##name(DoubleRegister dst, DoubleRegister src) { \
instruction(dst, src); \
return true; \
}
FP_BINOP(f32_add, add_s)
FP_BINOP(f32_sub, sub_s)
FP_BINOP(f32_mul, mul_s)
FP_BINOP(f32_div, div_s)
FP_UNOP(f32_abs, abs_s)
FP_UNOP_RETURN_TRUE(f32_ceil, Ceil_s_s)
FP_UNOP_RETURN_TRUE(f32_floor, Floor_s_s)
FP_UNOP_RETURN_TRUE(f32_trunc, Trunc_s_s)
FP_UNOP_RETURN_TRUE(f32_nearest_int, Round_s_s)
FP_UNOP(f32_sqrt, sqrt_s)
FP_BINOP(f64_add, add_d)
FP_BINOP(f64_sub, sub_d)
FP_BINOP(f64_mul, mul_d)
FP_BINOP(f64_div, div_d)
FP_UNOP(f64_abs, abs_d)
FP_UNOP_RETURN_TRUE(f64_ceil, Ceil_d_d)
FP_UNOP_RETURN_TRUE(f64_floor, Floor_d_d)
FP_UNOP_RETURN_TRUE(f64_trunc, Trunc_d_d)
FP_UNOP_RETURN_TRUE(f64_nearest_int, Round_d_d)
FP_UNOP(f64_sqrt, sqrt_d)
#undef FP_BINOP
#undef FP_UNOP
#undef FP_UNOP_RETURN_TRUE
bool LiftoffAssembler::emit_type_conversion(WasmOpcode opcode,
LiftoffRegister dst,
LiftoffRegister src, Label* trap) {
switch (opcode) {
case kExprI32ConvertI64:
TurboAssembler::Ext(dst.gp(), src.gp(), 0, 32);
return true;
case kExprI32SConvertF32: {
LiftoffRegister rounded =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(src));
LiftoffRegister converted_back =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(src, rounded));
// Real conversion.
TurboAssembler::Trunc_s_s(rounded.fp(), src.fp());
trunc_w_s(kScratchDoubleReg, rounded.fp());
mfc1(dst.gp(), kScratchDoubleReg);
// Avoid INT32_MAX as an overflow indicator and use INT32_MIN instead,
// because INT32_MIN allows easier out-of-bounds detection.
TurboAssembler::Addu(kScratchReg, dst.gp(), 1);
TurboAssembler::Slt(kScratchReg2, kScratchReg, dst.gp());
TurboAssembler::Movn(dst.gp(), kScratchReg, kScratchReg2);
// Checking if trap.
mtc1(dst.gp(), kScratchDoubleReg);
cvt_s_w(converted_back.fp(), kScratchDoubleReg);
TurboAssembler::CompareF32(EQ, rounded.fp(), converted_back.fp());
TurboAssembler::BranchFalseF(trap);
return true;
}
case kExprI32UConvertF32: {
LiftoffRegister rounded =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(src));
LiftoffRegister converted_back =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(src, rounded));
// Real conversion.
TurboAssembler::Trunc_s_s(rounded.fp(), src.fp());
TurboAssembler::Trunc_uw_s(dst.gp(), rounded.fp(), kScratchDoubleReg);
// Avoid UINT32_MAX as an overflow indicator and use 0 instead,
// because 0 allows easier out-of-bounds detection.
TurboAssembler::Addu(kScratchReg, dst.gp(), 1);
TurboAssembler::Movz(dst.gp(), zero_reg, kScratchReg);
// Checking if trap.
TurboAssembler::Cvt_d_uw(converted_back.fp(), dst.gp());
cvt_s_d(converted_back.fp(), converted_back.fp());
TurboAssembler::CompareF32(EQ, rounded.fp(), converted_back.fp());
TurboAssembler::BranchFalseF(trap);
return true;
}
case kExprI32SConvertF64: {
LiftoffRegister rounded =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(src));
LiftoffRegister converted_back =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(src, rounded));
// Real conversion.
TurboAssembler::Trunc_d_d(rounded.fp(), src.fp());
trunc_w_d(kScratchDoubleReg, rounded.fp());
mfc1(dst.gp(), kScratchDoubleReg);
// Checking if trap.
cvt_d_w(converted_back.fp(), kScratchDoubleReg);
TurboAssembler::CompareF64(EQ, rounded.fp(), converted_back.fp());
TurboAssembler::BranchFalseF(trap);
return true;
}
case kExprI32UConvertF64: {
LiftoffRegister rounded =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(src));
LiftoffRegister converted_back =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(src, rounded));
// Real conversion.
TurboAssembler::Trunc_d_d(rounded.fp(), src.fp());
TurboAssembler::Trunc_uw_d(dst.gp(), rounded.fp(), kScratchDoubleReg);
// Checking if trap.
TurboAssembler::Cvt_d_uw(converted_back.fp(), dst.gp());
TurboAssembler::CompareF64(EQ, rounded.fp(), converted_back.fp());
TurboAssembler::BranchFalseF(trap);
return true;
}
case kExprI32ReinterpretF32:
TurboAssembler::FmoveLow(dst.gp(), src.fp());
return true;
case kExprI64SConvertI32:
sll(dst.gp(), src.gp(), 0);
return true;
case kExprI64UConvertI32:
TurboAssembler::Dext(dst.gp(), src.gp(), 0, 32);
return true;
case kExprI64SConvertF32: {
LiftoffRegister rounded =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(src));
LiftoffRegister converted_back =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(src, rounded));
// Real conversion.
TurboAssembler::Trunc_s_s(rounded.fp(), src.fp());
trunc_l_s(kScratchDoubleReg, rounded.fp());
dmfc1(dst.gp(), kScratchDoubleReg);
// Avoid INT64_MAX as an overflow indicator and use INT64_MIN instead,
// because INT64_MIN allows easier out-of-bounds detection.
TurboAssembler::Daddu(kScratchReg, dst.gp(), 1);
TurboAssembler::Slt(kScratchReg2, kScratchReg, dst.gp());
TurboAssembler::Movn(dst.gp(), kScratchReg, kScratchReg2);
// Checking if trap.
dmtc1(dst.gp(), kScratchDoubleReg);
cvt_s_l(converted_back.fp(), kScratchDoubleReg);
TurboAssembler::CompareF32(EQ, rounded.fp(), converted_back.fp());
TurboAssembler::BranchFalseF(trap);
return true;
}
case kExprI64UConvertF32: {
// Real conversion.
TurboAssembler::Trunc_ul_s(dst.gp(), src.fp(), kScratchDoubleReg,
kScratchReg);
// Checking if trap.
TurboAssembler::Branch(trap, eq, kScratchReg, Operand(zero_reg));
return true;
}
case kExprI64SConvertF64: {
LiftoffRegister rounded =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(src));
LiftoffRegister converted_back =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(src, rounded));
// Real conversion.
TurboAssembler::Trunc_d_d(rounded.fp(), src.fp());
trunc_l_d(kScratchDoubleReg, rounded.fp());
dmfc1(dst.gp(), kScratchDoubleReg);
// Avoid INT64_MAX as an overflow indicator and use INT64_MIN instead,
// because INT64_MIN allows easier out-of-bounds detection.
TurboAssembler::Daddu(kScratchReg, dst.gp(), 1);
TurboAssembler::Slt(kScratchReg2, kScratchReg, dst.gp());
TurboAssembler::Movn(dst.gp(), kScratchReg, kScratchReg2);
// Checking if trap.
dmtc1(dst.gp(), kScratchDoubleReg);
cvt_d_l(converted_back.fp(), kScratchDoubleReg);
TurboAssembler::CompareF64(EQ, rounded.fp(), converted_back.fp());
TurboAssembler::BranchFalseF(trap);
return true;
}
case kExprI64UConvertF64: {
// Real conversion.
TurboAssembler::Trunc_ul_d(dst.gp(), src.fp(), kScratchDoubleReg,
kScratchReg);
// Checking if trap.
TurboAssembler::Branch(trap, eq, kScratchReg, Operand(zero_reg));
return true;
}
case kExprI64ReinterpretF64:
dmfc1(dst.gp(), src.fp());
return true;
case kExprF32SConvertI32: {
LiftoffRegister scratch =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(dst));
mtc1(src.gp(), scratch.fp());
cvt_s_w(dst.fp(), scratch.fp());
return true;
}
case kExprF32UConvertI32:
TurboAssembler::Cvt_s_uw(dst.fp(), src.gp());
return true;
case kExprF32ConvertF64:
cvt_s_d(dst.fp(), src.fp());
return true;
case kExprF32ReinterpretI32:
TurboAssembler::FmoveLow(dst.fp(), src.gp());
return true;
case kExprF64SConvertI32: {
LiftoffRegister scratch =
GetUnusedRegister(kFpReg, LiftoffRegList::ForRegs(dst));
mtc1(src.gp(), scratch.fp());
cvt_d_w(dst.fp(), scratch.fp());
return true;
}
case kExprF64UConvertI32:
TurboAssembler::Cvt_d_uw(dst.fp(), src.gp());
return true;
case kExprF64ConvertF32:
cvt_d_s(dst.fp(), src.fp());
return true;
case kExprF64ReinterpretI64:
dmtc1(src.gp(), dst.fp());
return true;
case kExprI32SConvertSatF32:
bailout(kNonTrappingFloatToInt, "kExprI32SConvertSatF32");
return true;
case kExprI32UConvertSatF32:
bailout(kNonTrappingFloatToInt, "kExprI32UConvertSatF32");
return true;
case kExprI32SConvertSatF64:
bailout(kNonTrappingFloatToInt, "kExprI32SConvertSatF64");
return true;
case kExprI32UConvertSatF64:
bailout(kNonTrappingFloatToInt, "kExprI32UConvertSatF64");
return true;
case kExprI64SConvertSatF32:
bailout(kNonTrappingFloatToInt, "kExprI64SConvertSatF32");
return true;
case kExprI64UConvertSatF32:
bailout(kNonTrappingFloatToInt, "kExprI64UConvertSatF32");
return true;
case kExprI64SConvertSatF64:
bailout(kNonTrappingFloatToInt, "kExprI64SConvertSatF64");
return true;
case kExprI64UConvertSatF64:
bailout(kNonTrappingFloatToInt, "kExprI64UConvertSatF64");
return true;
default:
return false;
}
}
void LiftoffAssembler::emit_i32_signextend_i8(Register dst, Register src) {
bailout(kComplexOperation, "i32_signextend_i8");
}
void LiftoffAssembler::emit_i32_signextend_i16(Register dst, Register src) {
bailout(kComplexOperation, "i32_signextend_i16");
}
void LiftoffAssembler::emit_i64_signextend_i8(LiftoffRegister dst,
LiftoffRegister src) {
bailout(kComplexOperation, "i64_signextend_i8");
}
void LiftoffAssembler::emit_i64_signextend_i16(LiftoffRegister dst,
LiftoffRegister src) {
bailout(kComplexOperation, "i64_signextend_i16");
}
void LiftoffAssembler::emit_i64_signextend_i32(LiftoffRegister dst,
LiftoffRegister src) {
bailout(kComplexOperation, "i64_signextend_i32");
}
void LiftoffAssembler::emit_jump(Label* label) {
TurboAssembler::Branch(label);
}
void LiftoffAssembler::emit_jump(Register target) {
TurboAssembler::Jump(target);
}
void LiftoffAssembler::emit_cond_jump(LiftoffCondition liftoff_cond,
Label* label, ValueKind kind,
Register lhs, Register rhs) {
Condition cond = liftoff::ToCondition(liftoff_cond);
if (rhs == no_reg) {
DCHECK(kind == kI32 || kind == kI64);
TurboAssembler::Branch(label, cond, lhs, Operand(zero_reg));
} else {
DCHECK((kind == kI32 || kind == kI64) ||
(is_reference(kind) &&
(liftoff_cond == kEqual || liftoff_cond == kUnequal)));
TurboAssembler::Branch(label, cond, lhs, Operand(rhs));
}
}
void LiftoffAssembler::emit_i32_cond_jumpi(LiftoffCondition liftoff_cond,
Label* label, Register lhs,
int32_t imm) {
Condition cond = liftoff::ToCondition(liftoff_cond);
TurboAssembler::Branch(label, cond, lhs, Operand(imm));
}
void LiftoffAssembler::emit_i32_eqz(Register dst, Register src) {
sltiu(dst, src, 1);
}
void LiftoffAssembler::emit_i32_set_cond(LiftoffCondition liftoff_cond,
Register dst, Register lhs,
Register rhs) {
Condition cond = liftoff::ToCondition(liftoff_cond);
Register tmp = dst;
if (dst == lhs || dst == rhs) {
tmp = GetUnusedRegister(kGpReg, LiftoffRegList::ForRegs(lhs, rhs)).gp();
}
// Write 1 as result.
TurboAssembler::li(tmp, 1);
// If negative condition is true, write 0 as result.
Condition neg_cond = NegateCondition(cond);
TurboAssembler::LoadZeroOnCondition(tmp, lhs, Operand(rhs), neg_cond);
// If tmp != dst, result will be moved.
TurboAssembler::Move(dst, tmp);
}
void LiftoffAssembler::emit_i64_eqz(Register dst, LiftoffRegister src) {
sltiu(dst, src.gp(), 1);
}
void LiftoffAssembler::emit_i64_set_cond(LiftoffCondition liftoff_cond,
Register dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
Condition cond = liftoff::ToCondition(liftoff_cond);
Register tmp = dst;
if (dst == lhs.gp() || dst == rhs.gp()) {
tmp = GetUnusedRegister(kGpReg, LiftoffRegList::ForRegs(lhs, rhs)).gp();
}
// Write 1 as result.
TurboAssembler::li(tmp, 1);
// If negative condition is true, write 0 as result.
Condition neg_cond = NegateCondition(cond);
TurboAssembler::LoadZeroOnCondition(tmp, lhs.gp(), Operand(rhs.gp()),
neg_cond);
// If tmp != dst, result will be moved.
TurboAssembler::Move(dst, tmp);
}
namespace liftoff {
inline FPUCondition ConditionToConditionCmpFPU(LiftoffCondition condition,
bool* predicate) {
switch (condition) {
case kEqual:
*predicate = true;
return EQ;
case kUnequal:
*predicate = false;
return EQ;
case kUnsignedLessThan:
*predicate = true;
return OLT;
case kUnsignedGreaterEqual:
*predicate = false;
return OLT;
case kUnsignedLessEqual:
*predicate = true;
return OLE;
case kUnsignedGreaterThan:
*predicate = false;
return OLE;
default:
*predicate = true;
break;
}
UNREACHABLE();
}
inline void EmitAnyTrue(LiftoffAssembler* assm, LiftoffRegister dst,
LiftoffRegister src) {
Label all_false;
assm->BranchMSA(&all_false, MSA_BRANCH_V, all_zero, src.fp().toW(),
USE_DELAY_SLOT);
assm->li(dst.gp(), 0l);
assm->li(dst.gp(), 1);
assm->bind(&all_false);
}
inline void EmitAllTrue(LiftoffAssembler* assm, LiftoffRegister dst,
LiftoffRegister src, MSABranchDF msa_branch_df) {
Label all_true;
assm->BranchMSA(&all_true, msa_branch_df, all_not_zero, src.fp().toW(),
USE_DELAY_SLOT);
assm->li(dst.gp(), 1);
assm->li(dst.gp(), 0l);
assm->bind(&all_true);
}
} // namespace liftoff
void LiftoffAssembler::emit_f32_set_cond(LiftoffCondition liftoff_cond,
Register dst, DoubleRegister lhs,
DoubleRegister rhs) {
Condition cond = liftoff::ToCondition(liftoff_cond);
Label not_nan, cont;
TurboAssembler::CompareIsNanF32(lhs, rhs);
TurboAssembler::BranchFalseF(¬_nan);
// If one of the operands is NaN, return 1 for f32.ne, else 0.
if (cond == ne) {
TurboAssembler::li(dst, 1);
} else {
TurboAssembler::Move(dst, zero_reg);
}
TurboAssembler::Branch(&cont);
bind(¬_nan);
TurboAssembler::li(dst, 1);
bool predicate;
FPUCondition fcond =
liftoff::ConditionToConditionCmpFPU(liftoff_cond, &predicate);
TurboAssembler::CompareF32(fcond, lhs, rhs);
if (predicate) {
TurboAssembler::LoadZeroIfNotFPUCondition(dst);
} else {
TurboAssembler::LoadZeroIfFPUCondition(dst);
}
bind(&cont);
}
void LiftoffAssembler::emit_f64_set_cond(LiftoffCondition liftoff_cond,
Register dst, DoubleRegister lhs,
DoubleRegister rhs) {
Condition cond = liftoff::ToCondition(liftoff_cond);
Label not_nan, cont;
TurboAssembler::CompareIsNanF64(lhs, rhs);
TurboAssembler::BranchFalseF(¬_nan);
// If one of the operands is NaN, return 1 for f64.ne, else 0.
if (cond == ne) {
TurboAssembler::li(dst, 1);
} else {
TurboAssembler::Move(dst, zero_reg);
}
TurboAssembler::Branch(&cont);
bind(¬_nan);
TurboAssembler::li(dst, 1);
bool predicate;
FPUCondition fcond =
liftoff::ConditionToConditionCmpFPU(liftoff_cond, &predicate);
TurboAssembler::CompareF64(fcond, lhs, rhs);
if (predicate) {
TurboAssembler::LoadZeroIfNotFPUCondition(dst);
} else {
TurboAssembler::LoadZeroIfFPUCondition(dst);
}
bind(&cont);
}
bool LiftoffAssembler::emit_select(LiftoffRegister dst, Register condition,
LiftoffRegister true_value,
LiftoffRegister false_value,
ValueKind kind) {
return false;
}
void LiftoffAssembler::emit_smi_check(Register obj, Label* target,
SmiCheckMode mode) {
UseScratchRegisterScope temps(this);
Register scratch = temps.Acquire();
And(scratch, obj, Operand(kSmiTagMask));
Condition condition = mode == kJumpOnSmi ? eq : ne;
Branch(target, condition, scratch, Operand(zero_reg));
}
void LiftoffAssembler::LoadTransform(LiftoffRegister dst, Register src_addr,
Register offset_reg, uintptr_t offset_imm,
LoadType type,
LoadTransformationKind transform,
uint32_t* protected_load_pc) {
UseScratchRegisterScope temps(this);
Register scratch = temps.Acquire();
MemOperand src_op =
liftoff::GetMemOp(this, src_addr, offset_reg, offset_imm);
MSARegister dst_msa = dst.fp().toW();
*protected_load_pc = pc_offset();
MachineType memtype = type.mem_type();
if (transform == LoadTransformationKind::kExtend) {
Ld(scratch, src_op);
if (memtype == MachineType::Int8()) {
fill_d(dst_msa, scratch);
clti_s_b(kSimd128ScratchReg, dst_msa, 0);
ilvr_b(dst_msa, kSimd128ScratchReg, dst_msa);
} else if (memtype == MachineType::Uint8()) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
fill_d(dst_msa, scratch);
ilvr_b(dst_msa, kSimd128RegZero, dst_msa);
} else if (memtype == MachineType::Int16()) {
fill_d(dst_msa, scratch);
clti_s_h(kSimd128ScratchReg, dst_msa, 0);
ilvr_h(dst_msa, kSimd128ScratchReg, dst_msa);
} else if (memtype == MachineType::Uint16()) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
fill_d(dst_msa, scratch);
ilvr_h(dst_msa, kSimd128RegZero, dst_msa);
} else if (memtype == MachineType::Int32()) {
fill_d(dst_msa, scratch);
clti_s_w(kSimd128ScratchReg, dst_msa, 0);
ilvr_w(dst_msa, kSimd128ScratchReg, dst_msa);
} else if (memtype == MachineType::Uint32()) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
fill_d(dst_msa, scratch);
ilvr_w(dst_msa, kSimd128RegZero, dst_msa);
}
} else if (transform == LoadTransformationKind::kZeroExtend) {
xor_v(dst_msa, dst_msa, dst_msa);
if (memtype == MachineType::Int32()) {
Lwu(scratch, src_op);
insert_w(dst_msa, 0, scratch);
} else {
DCHECK_EQ(MachineType::Int64(), memtype);
Ld(scratch, src_op);
insert_d(dst_msa, 0, scratch);
}
} else {
DCHECK_EQ(LoadTransformationKind::kSplat, transform);
if (memtype == MachineType::Int8()) {
Lb(scratch, src_op);
fill_b(dst_msa, scratch);
} else if (memtype == MachineType::Int16()) {
Lh(scratch, src_op);
fill_h(dst_msa, scratch);
} else if (memtype == MachineType::Int32()) {
Lw(scratch, src_op);
fill_w(dst_msa, scratch);
} else if (memtype == MachineType::Int64()) {
Ld(scratch, src_op);
fill_d(dst_msa, scratch);
}
}
}
void LiftoffAssembler::LoadLane(LiftoffRegister dst, LiftoffRegister src,
Register addr, Register offset_reg,
uintptr_t offset_imm, LoadType type,
uint8_t laneidx, uint32_t* protected_load_pc) {
MemOperand src_op = liftoff::GetMemOp(this, addr, offset_reg, offset_imm);
*protected_load_pc = pc_offset();
LoadStoreLaneParams load_params(type.mem_type().representation(), laneidx);
TurboAssembler::LoadLane(load_params.sz, dst.fp().toW(), laneidx, src_op);
}
void LiftoffAssembler::StoreLane(Register dst, Register offset,
uintptr_t offset_imm, LiftoffRegister src,
StoreType type, uint8_t lane,
uint32_t* protected_store_pc) {
MemOperand dst_op = liftoff::GetMemOp(this, dst, offset, offset_imm);
if (protected_store_pc) *protected_store_pc = pc_offset();
LoadStoreLaneParams store_params(type.mem_rep(), lane);
TurboAssembler::StoreLane(store_params.sz, src.fp().toW(), lane, dst_op);
}
void LiftoffAssembler::emit_i8x16_shuffle(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs,
const uint8_t shuffle[16],
bool is_swizzle) {
MSARegister dst_msa = dst.fp().toW();
MSARegister lhs_msa = lhs.fp().toW();
MSARegister rhs_msa = rhs.fp().toW();
uint64_t control_hi = 0;
uint64_t control_low = 0;
for (int i = 7; i >= 0; i--) {
control_hi <<= 8;
control_hi |= shuffle[i + 8];
control_low <<= 8;
control_low |= shuffle[i];
}
if (dst_msa == lhs_msa) {
move_v(kSimd128ScratchReg, lhs_msa);
lhs_msa = kSimd128ScratchReg;
} else if (dst_msa == rhs_msa) {
move_v(kSimd128ScratchReg, rhs_msa);
rhs_msa = kSimd128ScratchReg;
}
li(kScratchReg, control_low);
insert_d(dst_msa, 0, kScratchReg);
li(kScratchReg, control_hi);
insert_d(dst_msa, 1, kScratchReg);
vshf_b(dst_msa, rhs_msa, lhs_msa);
}
void LiftoffAssembler::emit_i8x16_swizzle(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
MSARegister dst_msa = dst.fp().toW();
MSARegister lhs_msa = lhs.fp().toW();
MSARegister rhs_msa = rhs.fp().toW();
if (dst == lhs) {
move_v(kSimd128ScratchReg, lhs_msa);
lhs_msa = kSimd128ScratchReg;
}
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
move_v(dst_msa, rhs_msa);
vshf_b(dst_msa, kSimd128RegZero, lhs_msa);
}
void LiftoffAssembler::emit_i8x16_splat(LiftoffRegister dst,
LiftoffRegister src) {
fill_b(dst.fp().toW(), src.gp());
}
void LiftoffAssembler::emit_i16x8_splat(LiftoffRegister dst,
LiftoffRegister src) {
fill_h(dst.fp().toW(), src.gp());
}
void LiftoffAssembler::emit_i32x4_splat(LiftoffRegister dst,
LiftoffRegister src) {
fill_w(dst.fp().toW(), src.gp());
}
void LiftoffAssembler::emit_i64x2_splat(LiftoffRegister dst,
LiftoffRegister src) {
fill_d(dst.fp().toW(), src.gp());
}
void LiftoffAssembler::emit_f32x4_splat(LiftoffRegister dst,
LiftoffRegister src) {
TurboAssembler::FmoveLow(kScratchReg, src.fp());
fill_w(dst.fp().toW(), kScratchReg);
}
void LiftoffAssembler::emit_f64x2_splat(LiftoffRegister dst,
LiftoffRegister src) {
TurboAssembler::Move(kScratchReg, src.fp());
fill_d(dst.fp().toW(), kScratchReg);
}
#define SIMD_BINOP(name1, name2, type) \
void LiftoffAssembler::emit_##name1##_extmul_low_##name2( \
LiftoffRegister dst, LiftoffRegister src1, LiftoffRegister src2) { \
TurboAssembler::ExtMulLow(type, dst.fp().toW(), src1.fp().toW(), \
src2.fp().toW()); \
} \
void LiftoffAssembler::emit_##name1##_extmul_high_##name2( \
LiftoffRegister dst, LiftoffRegister src1, LiftoffRegister src2) { \
TurboAssembler::ExtMulHigh(type, dst.fp().toW(), src1.fp().toW(), \
src2.fp().toW()); \
}
SIMD_BINOP(i16x8, i8x16_s, MSAS8)
SIMD_BINOP(i16x8, i8x16_u, MSAU8)
SIMD_BINOP(i32x4, i16x8_s, MSAS16)
SIMD_BINOP(i32x4, i16x8_u, MSAU16)
SIMD_BINOP(i64x2, i32x4_s, MSAS32)
SIMD_BINOP(i64x2, i32x4_u, MSAU32)
#undef SIMD_BINOP
#define SIMD_BINOP(name1, name2, type) \
void LiftoffAssembler::emit_##name1##_extadd_pairwise_##name2( \
LiftoffRegister dst, LiftoffRegister src) { \
TurboAssembler::ExtAddPairwise(type, dst.fp().toW(), src.fp().toW()); \
}
SIMD_BINOP(i16x8, i8x16_s, MSAS8)
SIMD_BINOP(i16x8, i8x16_u, MSAU8)
SIMD_BINOP(i32x4, i16x8_s, MSAS16)
SIMD_BINOP(i32x4, i16x8_u, MSAU16)
#undef SIMD_BINOP
void LiftoffAssembler::emit_i16x8_q15mulr_sat_s(LiftoffRegister dst,
LiftoffRegister src1,
LiftoffRegister src2) {
mulr_q_h(dst.fp().toW(), src1.fp().toW(), src2.fp().toW());
}
void LiftoffAssembler::emit_i8x16_eq(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
ceq_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_ne(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
ceq_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
nor_v(dst.fp().toW(), dst.fp().toW(), dst.fp().toW());
}
void LiftoffAssembler::emit_i8x16_gt_s(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
clt_s_b(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_gt_u(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
clt_u_b(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_ge_s(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
cle_s_b(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_ge_u(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
cle_u_b(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_eq(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
ceq_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_ne(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
ceq_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
nor_v(dst.fp().toW(), dst.fp().toW(), dst.fp().toW());
}
void LiftoffAssembler::emit_i16x8_gt_s(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
clt_s_h(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_gt_u(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
clt_u_h(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_ge_s(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
cle_s_h(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_ge_u(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
cle_u_h(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_eq(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
ceq_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_ne(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
ceq_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
nor_v(dst.fp().toW(), dst.fp().toW(), dst.fp().toW());
}
void LiftoffAssembler::emit_i32x4_gt_s(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
clt_s_w(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_gt_u(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
clt_u_w(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_ge_s(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
cle_s_w(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_ge_u(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
cle_u_w(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_f32x4_eq(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fceq_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f32x4_ne(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fcune_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f32x4_lt(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fclt_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f32x4_le(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fcle_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i64x2_eq(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
ceq_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i64x2_ne(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
ceq_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
nor_v(dst.fp().toW(), dst.fp().toW(), dst.fp().toW());
}
void LiftoffAssembler::emit_i64x2_abs(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
add_a_d(dst.fp().toW(), src.fp().toW(), kSimd128RegZero);
}
void LiftoffAssembler::emit_f64x2_eq(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fceq_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f64x2_ne(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fcune_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f64x2_lt(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fclt_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f64x2_le(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fcle_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_s128_const(LiftoffRegister dst,
const uint8_t imms[16]) {
MSARegister dst_msa = dst.fp().toW();
uint64_t vals[2];
memcpy(vals, imms, sizeof(vals));
li(kScratchReg, vals[0]);
insert_d(dst_msa, 0, kScratchReg);
li(kScratchReg, vals[1]);
insert_d(dst_msa, 1, kScratchReg);
}
void LiftoffAssembler::emit_s128_not(LiftoffRegister dst, LiftoffRegister src) {
nor_v(dst.fp().toW(), src.fp().toW(), src.fp().toW());
}
void LiftoffAssembler::emit_s128_and(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
and_v(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_s128_or(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
or_v(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_s128_xor(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
xor_v(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_s128_and_not(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
nor_v(kSimd128ScratchReg, rhs.fp().toW(), rhs.fp().toW());
and_v(dst.fp().toW(), kSimd128ScratchReg, lhs.fp().toW());
}
void LiftoffAssembler::emit_s128_select(LiftoffRegister dst,
LiftoffRegister src1,
LiftoffRegister src2,
LiftoffRegister mask) {
if (dst == mask) {
bsel_v(dst.fp().toW(), src2.fp().toW(), src1.fp().toW());
} else {
xor_v(kSimd128ScratchReg, src1.fp().toW(), src2.fp().toW());
and_v(kSimd128ScratchReg, kSimd128ScratchReg, mask.fp().toW());
xor_v(dst.fp().toW(), kSimd128ScratchReg, src2.fp().toW());
}
}
void LiftoffAssembler::emit_i8x16_neg(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
subv_b(dst.fp().toW(), kSimd128RegZero, src.fp().toW());
}
void LiftoffAssembler::emit_v128_anytrue(LiftoffRegister dst,
LiftoffRegister src) {
liftoff::EmitAnyTrue(this, dst, src);
}
void LiftoffAssembler::emit_i8x16_alltrue(LiftoffRegister dst,
LiftoffRegister src) {
liftoff::EmitAllTrue(this, dst, src, MSA_BRANCH_B);
}
void LiftoffAssembler::emit_i8x16_bitmask(LiftoffRegister dst,
LiftoffRegister src) {
MSARegister scratch0 = kSimd128RegZero;
MSARegister scratch1 = kSimd128ScratchReg;
srli_b(scratch0, src.fp().toW(), 7);
srli_h(scratch1, scratch0, 7);
or_v(scratch0, scratch0, scratch1);
srli_w(scratch1, scratch0, 14);
or_v(scratch0, scratch0, scratch1);
srli_d(scratch1, scratch0, 28);
or_v(scratch0, scratch0, scratch1);
shf_w(scratch1, scratch0, 0x0E);
ilvev_b(scratch0, scratch1, scratch0);
copy_u_h(dst.gp(), scratch0, 0);
}
void LiftoffAssembler::emit_i8x16_shl(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fill_b(kSimd128ScratchReg, rhs.gp());
sll_b(dst.fp().toW(), lhs.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i8x16_shli(LiftoffRegister dst, LiftoffRegister lhs,
int32_t rhs) {
slli_b(dst.fp().toW(), lhs.fp().toW(), rhs & 7);
}
void LiftoffAssembler::emit_i8x16_shr_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
fill_b(kSimd128ScratchReg, rhs.gp());
sra_b(dst.fp().toW(), lhs.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i8x16_shri_s(LiftoffRegister dst,
LiftoffRegister lhs, int32_t rhs) {
srai_b(dst.fp().toW(), lhs.fp().toW(), rhs & 7);
}
void LiftoffAssembler::emit_i8x16_shr_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
fill_b(kSimd128ScratchReg, rhs.gp());
srl_b(dst.fp().toW(), lhs.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i8x16_shri_u(LiftoffRegister dst,
LiftoffRegister lhs, int32_t rhs) {
srli_b(dst.fp().toW(), lhs.fp().toW(), rhs & 7);
}
void LiftoffAssembler::emit_i8x16_add(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
addv_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_add_sat_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
adds_s_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_add_sat_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
adds_u_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_sub(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
subv_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_sub_sat_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
subs_s_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_sub_sat_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
subs_u_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_min_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
min_s_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_min_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
min_u_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_max_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
max_s_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_max_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
max_u_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_popcnt(LiftoffRegister dst,
LiftoffRegister src) {
pcnt_b(dst.fp().toW(), src.fp().toW());
}
void LiftoffAssembler::emit_i16x8_neg(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
subv_h(dst.fp().toW(), kSimd128RegZero, src.fp().toW());
}
void LiftoffAssembler::emit_i16x8_alltrue(LiftoffRegister dst,
LiftoffRegister src) {
liftoff::EmitAllTrue(this, dst, src, MSA_BRANCH_H);
}
void LiftoffAssembler::emit_i16x8_bitmask(LiftoffRegister dst,
LiftoffRegister src) {
MSARegister scratch0 = kSimd128RegZero;
MSARegister scratch1 = kSimd128ScratchReg;
srli_h(scratch0, src.fp().toW(), 15);
srli_w(scratch1, scratch0, 15);
or_v(scratch0, scratch0, scratch1);
srli_d(scratch1, scratch0, 30);
or_v(scratch0, scratch0, scratch1);
shf_w(scratch1, scratch0, 0x0E);
slli_d(scratch1, scratch1, 4);
or_v(scratch0, scratch0, scratch1);
copy_u_b(dst.gp(), scratch0, 0);
}
void LiftoffAssembler::emit_i16x8_shl(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fill_h(kSimd128ScratchReg, rhs.gp());
sll_h(dst.fp().toW(), lhs.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i16x8_shli(LiftoffRegister dst, LiftoffRegister lhs,
int32_t rhs) {
slli_h(dst.fp().toW(), lhs.fp().toW(), rhs & 15);
}
void LiftoffAssembler::emit_i16x8_shr_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
fill_h(kSimd128ScratchReg, rhs.gp());
sra_h(dst.fp().toW(), lhs.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i16x8_shri_s(LiftoffRegister dst,
LiftoffRegister lhs, int32_t rhs) {
srai_h(dst.fp().toW(), lhs.fp().toW(), rhs & 15);
}
void LiftoffAssembler::emit_i16x8_shr_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
fill_h(kSimd128ScratchReg, rhs.gp());
srl_h(dst.fp().toW(), lhs.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i16x8_shri_u(LiftoffRegister dst,
LiftoffRegister lhs, int32_t rhs) {
srli_h(dst.fp().toW(), lhs.fp().toW(), rhs & 15);
}
void LiftoffAssembler::emit_i16x8_add(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
addv_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_add_sat_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
adds_s_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_add_sat_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
adds_u_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_sub(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
subv_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_sub_sat_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
subs_s_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_sub_sat_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
subs_u_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_mul(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
mulv_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_min_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
min_s_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_min_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
min_u_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_max_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
max_s_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_max_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
max_u_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_neg(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
subv_w(dst.fp().toW(), kSimd128RegZero, src.fp().toW());
}
void LiftoffAssembler::emit_i32x4_alltrue(LiftoffRegister dst,
LiftoffRegister src) {
liftoff::EmitAllTrue(this, dst, src, MSA_BRANCH_W);
}
void LiftoffAssembler::emit_i32x4_bitmask(LiftoffRegister dst,
LiftoffRegister src) {
MSARegister scratch0 = kSimd128RegZero;
MSARegister scratch1 = kSimd128ScratchReg;
srli_w(scratch0, src.fp().toW(), 31);
srli_d(scratch1, scratch0, 31);
or_v(scratch0, scratch0, scratch1);
shf_w(scratch1, scratch0, 0x0E);
slli_d(scratch1, scratch1, 2);
or_v(scratch0, scratch0, scratch1);
copy_u_b(dst.gp(), scratch0, 0);
}
void LiftoffAssembler::emit_i32x4_shl(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fill_w(kSimd128ScratchReg, rhs.gp());
sll_w(dst.fp().toW(), lhs.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i32x4_shli(LiftoffRegister dst, LiftoffRegister lhs,
int32_t rhs) {
slli_w(dst.fp().toW(), lhs.fp().toW(), rhs & 31);
}
void LiftoffAssembler::emit_i32x4_shr_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
fill_w(kSimd128ScratchReg, rhs.gp());
sra_w(dst.fp().toW(), lhs.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i32x4_shri_s(LiftoffRegister dst,
LiftoffRegister lhs, int32_t rhs) {
srai_w(dst.fp().toW(), lhs.fp().toW(), rhs & 31);
}
void LiftoffAssembler::emit_i32x4_shr_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
fill_w(kSimd128ScratchReg, rhs.gp());
srl_w(dst.fp().toW(), lhs.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i32x4_shri_u(LiftoffRegister dst,
LiftoffRegister lhs, int32_t rhs) {
srli_w(dst.fp().toW(), lhs.fp().toW(), rhs & 31);
}
void LiftoffAssembler::emit_i32x4_add(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
addv_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_sub(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
subv_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_mul(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
mulv_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_min_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
min_s_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_min_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
min_u_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_max_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
max_s_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_max_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
max_u_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i32x4_dot_i16x8_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
dotp_s_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i64x2_neg(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
subv_d(dst.fp().toW(), kSimd128RegZero, src.fp().toW());
}
void LiftoffAssembler::emit_i64x2_alltrue(LiftoffRegister dst,
LiftoffRegister src) {
liftoff::EmitAllTrue(this, dst, src, MSA_BRANCH_D);
}
void LiftoffAssembler::emit_i64x2_bitmask(LiftoffRegister dst,
LiftoffRegister src) {
srli_d(kSimd128RegZero, src.fp().toW(), 63);
shf_w(kSimd128ScratchReg, kSimd128RegZero, 0x02);
slli_d(kSimd128ScratchReg, kSimd128ScratchReg, 1);
or_v(kSimd128RegZero, kSimd128RegZero, kSimd128ScratchReg);
copy_u_b(dst.gp(), kSimd128RegZero, 0);
}
void LiftoffAssembler::emit_i64x2_shl(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fill_d(kSimd128ScratchReg, rhs.gp());
sll_d(dst.fp().toW(), lhs.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i64x2_shli(LiftoffRegister dst, LiftoffRegister lhs,
int32_t rhs) {
slli_d(dst.fp().toW(), lhs.fp().toW(), rhs & 63);
}
void LiftoffAssembler::emit_i64x2_shr_s(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
fill_d(kSimd128ScratchReg, rhs.gp());
sra_d(dst.fp().toW(), lhs.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i64x2_shri_s(LiftoffRegister dst,
LiftoffRegister lhs, int32_t rhs) {
srai_d(dst.fp().toW(), lhs.fp().toW(), rhs & 63);
}
void LiftoffAssembler::emit_i64x2_shr_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
fill_d(kSimd128ScratchReg, rhs.gp());
srl_d(dst.fp().toW(), lhs.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i64x2_shri_u(LiftoffRegister dst,
LiftoffRegister lhs, int32_t rhs) {
srli_d(dst.fp().toW(), lhs.fp().toW(), rhs & 63);
}
void LiftoffAssembler::emit_i64x2_add(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
addv_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i64x2_sub(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
subv_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i64x2_mul(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
mulv_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i64x2_gt_s(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
clt_s_d(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_i64x2_ge_s(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
cle_s_d(dst.fp().toW(), rhs.fp().toW(), lhs.fp().toW());
}
void LiftoffAssembler::emit_f32x4_abs(LiftoffRegister dst,
LiftoffRegister src) {
bclri_w(dst.fp().toW(), src.fp().toW(), 31);
}
void LiftoffAssembler::emit_f32x4_neg(LiftoffRegister dst,
LiftoffRegister src) {
bnegi_w(dst.fp().toW(), src.fp().toW(), 31);
}
void LiftoffAssembler::emit_f32x4_sqrt(LiftoffRegister dst,
LiftoffRegister src) {
fsqrt_w(dst.fp().toW(), src.fp().toW());
}
bool LiftoffAssembler::emit_f32x4_ceil(LiftoffRegister dst,
LiftoffRegister src) {
MSARoundW(dst.fp().toW(), src.fp().toW(), kRoundToPlusInf);
return true;
}
bool LiftoffAssembler::emit_f32x4_floor(LiftoffRegister dst,
LiftoffRegister src) {
MSARoundW(dst.fp().toW(), src.fp().toW(), kRoundToMinusInf);
return true;
}
bool LiftoffAssembler::emit_f32x4_trunc(LiftoffRegister dst,
LiftoffRegister src) {
MSARoundW(dst.fp().toW(), src.fp().toW(), kRoundToZero);
return true;
}
bool LiftoffAssembler::emit_f32x4_nearest_int(LiftoffRegister dst,
LiftoffRegister src) {
MSARoundW(dst.fp().toW(), src.fp().toW(), kRoundToNearest);
return true;
}
void LiftoffAssembler::emit_f32x4_add(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fadd_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f32x4_sub(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fsub_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f32x4_mul(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fmul_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f32x4_div(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fdiv_w(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f32x4_min(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
MSARegister dst_msa = dst.fp().toW();
MSARegister lhs_msa = lhs.fp().toW();
MSARegister rhs_msa = rhs.fp().toW();
MSARegister scratch0 = kSimd128RegZero;
MSARegister scratch1 = kSimd128ScratchReg;
// If inputs are -0.0. and +0.0, then write -0.0 to scratch1.
// scratch1 = (lhs == rhs) ? (lhs | rhs) : (rhs | rhs).
fseq_w(scratch0, lhs_msa, rhs_msa);
bsel_v(scratch0, rhs_msa, lhs_msa);
or_v(scratch1, scratch0, rhs_msa);
// scratch0 = isNaN(scratch1) ? scratch1: lhs.
fseq_w(scratch0, scratch1, scratch1);
bsel_v(scratch0, scratch1, lhs_msa);
// dst = (scratch1 <= scratch0) ? scratch1 : scratch0.
fsle_w(dst_msa, scratch1, scratch0);
bsel_v(dst_msa, scratch0, scratch1);
// Canonicalize the result.
fmin_w(dst_msa, dst_msa, dst_msa);
}
void LiftoffAssembler::emit_f32x4_max(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
MSARegister dst_msa = dst.fp().toW();
MSARegister lhs_msa = lhs.fp().toW();
MSARegister rhs_msa = rhs.fp().toW();
MSARegister scratch0 = kSimd128RegZero;
MSARegister scratch1 = kSimd128ScratchReg;
// If inputs are -0.0. and +0.0, then write +0.0 to scratch1.
// scratch1 = (lhs == rhs) ? (lhs | rhs) : (rhs | rhs).
fseq_w(scratch0, lhs_msa, rhs_msa);
bsel_v(scratch0, rhs_msa, lhs_msa);
and_v(scratch1, scratch0, rhs_msa);
// scratch0 = isNaN(scratch1) ? scratch1: lhs.
fseq_w(scratch0, scratch1, scratch1);
bsel_v(scratch0, scratch1, lhs_msa);
// dst = (scratch0 <= scratch1) ? scratch1 : scratch0.
fsle_w(dst_msa, scratch0, scratch1);
bsel_v(dst_msa, scratch0, scratch1);
// Canonicalize the result.
fmax_w(dst_msa, dst_msa, dst_msa);
}
void LiftoffAssembler::emit_f32x4_pmin(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
MSARegister dst_msa = dst.fp().toW();
MSARegister lhs_msa = lhs.fp().toW();
MSARegister rhs_msa = rhs.fp().toW();
// dst = rhs < lhs ? rhs : lhs
fclt_w(dst_msa, rhs_msa, lhs_msa);
bsel_v(dst_msa, lhs_msa, rhs_msa);
}
void LiftoffAssembler::emit_f32x4_pmax(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
MSARegister dst_msa = dst.fp().toW();
MSARegister lhs_msa = lhs.fp().toW();
MSARegister rhs_msa = rhs.fp().toW();
// dst = lhs < rhs ? rhs : lhs
fclt_w(dst_msa, lhs_msa, rhs_msa);
bsel_v(dst_msa, lhs_msa, rhs_msa);
}
void LiftoffAssembler::emit_f64x2_abs(LiftoffRegister dst,
LiftoffRegister src) {
bclri_d(dst.fp().toW(), src.fp().toW(), 63);
}
void LiftoffAssembler::emit_f64x2_neg(LiftoffRegister dst,
LiftoffRegister src) {
bnegi_d(dst.fp().toW(), src.fp().toW(), 63);
}
void LiftoffAssembler::emit_f64x2_sqrt(LiftoffRegister dst,
LiftoffRegister src) {
fsqrt_d(dst.fp().toW(), src.fp().toW());
}
bool LiftoffAssembler::emit_f64x2_ceil(LiftoffRegister dst,
LiftoffRegister src) {
MSARoundD(dst.fp().toW(), src.fp().toW(), kRoundToPlusInf);
return true;
}
bool LiftoffAssembler::emit_f64x2_floor(LiftoffRegister dst,
LiftoffRegister src) {
MSARoundD(dst.fp().toW(), src.fp().toW(), kRoundToMinusInf);
return true;
}
bool LiftoffAssembler::emit_f64x2_trunc(LiftoffRegister dst,
LiftoffRegister src) {
MSARoundD(dst.fp().toW(), src.fp().toW(), kRoundToZero);
return true;
}
bool LiftoffAssembler::emit_f64x2_nearest_int(LiftoffRegister dst,
LiftoffRegister src) {
MSARoundD(dst.fp().toW(), src.fp().toW(), kRoundToNearest);
return true;
}
void LiftoffAssembler::emit_f64x2_add(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fadd_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f64x2_sub(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fsub_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f64x2_mul(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fmul_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f64x2_div(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
fdiv_d(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_f64x2_min(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
MSARegister dst_msa = dst.fp().toW();
MSARegister lhs_msa = lhs.fp().toW();
MSARegister rhs_msa = rhs.fp().toW();
MSARegister scratch0 = kSimd128RegZero;
MSARegister scratch1 = kSimd128ScratchReg;
// If inputs are -0.0. and +0.0, then write -0.0 to scratch1.
// scratch1 = (lhs == rhs) ? (lhs | rhs) : (rhs | rhs).
fseq_d(scratch0, lhs_msa, rhs_msa);
bsel_v(scratch0, rhs_msa, lhs_msa);
or_v(scratch1, scratch0, rhs_msa);
// scratch0 = isNaN(scratch1) ? scratch1: lhs.
fseq_d(scratch0, scratch1, scratch1);
bsel_v(scratch0, scratch1, lhs_msa);
// dst = (scratch1 <= scratch0) ? scratch1 : scratch0.
fsle_d(dst_msa, scratch1, scratch0);
bsel_v(dst_msa, scratch0, scratch1);
// Canonicalize the result.
fmin_d(dst_msa, dst_msa, dst_msa);
}
void LiftoffAssembler::emit_f64x2_max(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
MSARegister dst_msa = dst.fp().toW();
MSARegister lhs_msa = lhs.fp().toW();
MSARegister rhs_msa = rhs.fp().toW();
MSARegister scratch0 = kSimd128RegZero;
MSARegister scratch1 = kSimd128ScratchReg;
// If inputs are -0.0. and +0.0, then write +0.0 to scratch1.
// scratch1 = (lhs == rhs) ? (lhs | rhs) : (rhs | rhs).
fseq_d(scratch0, lhs_msa, rhs_msa);
bsel_v(scratch0, rhs_msa, lhs_msa);
and_v(scratch1, scratch0, rhs_msa);
// scratch0 = isNaN(scratch1) ? scratch1: lhs.
fseq_d(scratch0, scratch1, scratch1);
bsel_v(scratch0, scratch1, lhs_msa);
// dst = (scratch0 <= scratch1) ? scratch1 : scratch0.
fsle_d(dst_msa, scratch0, scratch1);
bsel_v(dst_msa, scratch0, scratch1);
// Canonicalize the result.
fmax_d(dst_msa, dst_msa, dst_msa);
}
void LiftoffAssembler::emit_f64x2_pmin(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
MSARegister dst_msa = dst.fp().toW();
MSARegister lhs_msa = lhs.fp().toW();
MSARegister rhs_msa = rhs.fp().toW();
// dst = rhs < lhs ? rhs : lhs
fclt_d(dst_msa, rhs_msa, lhs_msa);
bsel_v(dst_msa, lhs_msa, rhs_msa);
}
void LiftoffAssembler::emit_f64x2_pmax(LiftoffRegister dst, LiftoffRegister lhs,
LiftoffRegister rhs) {
MSARegister dst_msa = dst.fp().toW();
MSARegister lhs_msa = lhs.fp().toW();
MSARegister rhs_msa = rhs.fp().toW();
// dst = lhs < rhs ? rhs : lhs
fclt_d(dst_msa, lhs_msa, rhs_msa);
bsel_v(dst_msa, lhs_msa, rhs_msa);
}
void LiftoffAssembler::emit_f64x2_convert_low_i32x4_s(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
ilvr_w(kSimd128RegZero, kSimd128RegZero, src.fp().toW());
slli_d(kSimd128RegZero, kSimd128RegZero, 32);
srai_d(kSimd128RegZero, kSimd128RegZero, 32);
ffint_s_d(dst.fp().toW(), kSimd128RegZero);
}
void LiftoffAssembler::emit_f64x2_convert_low_i32x4_u(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
ilvr_w(kSimd128RegZero, kSimd128RegZero, src.fp().toW());
ffint_u_d(dst.fp().toW(), kSimd128RegZero);
}
void LiftoffAssembler::emit_f64x2_promote_low_f32x4(LiftoffRegister dst,
LiftoffRegister src) {
fexupr_d(dst.fp().toW(), src.fp().toW());
}
void LiftoffAssembler::emit_i32x4_sconvert_f32x4(LiftoffRegister dst,
LiftoffRegister src) {
ftrunc_s_w(dst.fp().toW(), src.fp().toW());
}
void LiftoffAssembler::emit_i32x4_uconvert_f32x4(LiftoffRegister dst,
LiftoffRegister src) {
ftrunc_u_w(dst.fp().toW(), src.fp().toW());
}
void LiftoffAssembler::emit_i32x4_trunc_sat_f64x2_s_zero(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
ftrunc_s_d(kSimd128ScratchReg, src.fp().toW());
sat_s_d(kSimd128ScratchReg, kSimd128ScratchReg, 31);
pckev_w(dst.fp().toW(), kSimd128RegZero, kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i32x4_trunc_sat_f64x2_u_zero(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
ftrunc_u_d(kSimd128ScratchReg, src.fp().toW());
sat_u_d(kSimd128ScratchReg, kSimd128ScratchReg, 31);
pckev_w(dst.fp().toW(), kSimd128RegZero, kSimd128ScratchReg);
}
void LiftoffAssembler::emit_f32x4_sconvert_i32x4(LiftoffRegister dst,
LiftoffRegister src) {
ffint_s_w(dst.fp().toW(), src.fp().toW());
}
void LiftoffAssembler::emit_f32x4_uconvert_i32x4(LiftoffRegister dst,
LiftoffRegister src) {
ffint_u_w(dst.fp().toW(), src.fp().toW());
}
void LiftoffAssembler::emit_f32x4_demote_f64x2_zero(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
fexdo_w(dst.fp().toW(), kSimd128RegZero, src.fp().toW());
}
void LiftoffAssembler::emit_i8x16_sconvert_i16x8(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
sat_s_h(kSimd128ScratchReg, lhs.fp().toW(), 7);
sat_s_h(dst.fp().toW(), lhs.fp().toW(), 7);
pckev_b(dst.fp().toW(), dst.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i8x16_uconvert_i16x8(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
max_s_h(kSimd128ScratchReg, kSimd128RegZero, lhs.fp().toW());
sat_u_h(kSimd128ScratchReg, kSimd128ScratchReg, 7);
max_s_h(dst.fp().toW(), kSimd128RegZero, rhs.fp().toW());
sat_u_h(dst.fp().toW(), dst.fp().toW(), 7);
pckev_b(dst.fp().toW(), dst.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i16x8_sconvert_i32x4(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
sat_s_w(kSimd128ScratchReg, lhs.fp().toW(), 15);
sat_s_w(dst.fp().toW(), lhs.fp().toW(), 15);
pckev_h(dst.fp().toW(), dst.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i16x8_uconvert_i32x4(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
max_s_w(kSimd128ScratchReg, kSimd128RegZero, lhs.fp().toW());
sat_u_w(kSimd128ScratchReg, kSimd128ScratchReg, 15);
max_s_w(dst.fp().toW(), kSimd128RegZero, rhs.fp().toW());
sat_u_w(dst.fp().toW(), dst.fp().toW(), 15);
pckev_h(dst.fp().toW(), dst.fp().toW(), kSimd128ScratchReg);
}
void LiftoffAssembler::emit_i16x8_sconvert_i8x16_low(LiftoffRegister dst,
LiftoffRegister src) {
ilvr_b(kSimd128ScratchReg, src.fp().toW(), src.fp().toW());
slli_h(dst.fp().toW(), kSimd128ScratchReg, 8);
srai_h(dst.fp().toW(), dst.fp().toW(), 8);
}
void LiftoffAssembler::emit_i16x8_sconvert_i8x16_high(LiftoffRegister dst,
LiftoffRegister src) {
ilvl_b(kSimd128ScratchReg, src.fp().toW(), src.fp().toW());
slli_h(dst.fp().toW(), kSimd128ScratchReg, 8);
srai_h(dst.fp().toW(), dst.fp().toW(), 8);
}
void LiftoffAssembler::emit_i16x8_uconvert_i8x16_low(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
ilvr_b(dst.fp().toW(), kSimd128RegZero, src.fp().toW());
}
void LiftoffAssembler::emit_i16x8_uconvert_i8x16_high(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
ilvl_b(dst.fp().toW(), kSimd128RegZero, src.fp().toW());
}
void LiftoffAssembler::emit_i32x4_sconvert_i16x8_low(LiftoffRegister dst,
LiftoffRegister src) {
ilvr_h(kSimd128ScratchReg, src.fp().toW(), src.fp().toW());
slli_w(dst.fp().toW(), kSimd128ScratchReg, 16);
srai_w(dst.fp().toW(), dst.fp().toW(), 16);
}
void LiftoffAssembler::emit_i32x4_sconvert_i16x8_high(LiftoffRegister dst,
LiftoffRegister src) {
ilvl_h(kSimd128ScratchReg, src.fp().toW(), src.fp().toW());
slli_w(dst.fp().toW(), kSimd128ScratchReg, 16);
srai_w(dst.fp().toW(), dst.fp().toW(), 16);
}
void LiftoffAssembler::emit_i32x4_uconvert_i16x8_low(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
ilvr_h(dst.fp().toW(), kSimd128RegZero, src.fp().toW());
}
void LiftoffAssembler::emit_i32x4_uconvert_i16x8_high(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
ilvl_h(dst.fp().toW(), kSimd128RegZero, src.fp().toW());
}
void LiftoffAssembler::emit_i64x2_sconvert_i32x4_low(LiftoffRegister dst,
LiftoffRegister src) {
ilvr_w(kSimd128ScratchReg, src.fp().toW(), src.fp().toW());
slli_d(dst.fp().toW(), kSimd128ScratchReg, 32);
srai_d(dst.fp().toW(), dst.fp().toW(), 32);
}
void LiftoffAssembler::emit_i64x2_sconvert_i32x4_high(LiftoffRegister dst,
LiftoffRegister src) {
ilvl_w(kSimd128ScratchReg, src.fp().toW(), src.fp().toW());
slli_d(dst.fp().toW(), kSimd128ScratchReg, 32);
srai_d(dst.fp().toW(), dst.fp().toW(), 32);
}
void LiftoffAssembler::emit_i64x2_uconvert_i32x4_low(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
ilvr_w(dst.fp().toW(), kSimd128RegZero, src.fp().toW());
}
void LiftoffAssembler::emit_i64x2_uconvert_i32x4_high(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
ilvl_w(dst.fp().toW(), kSimd128RegZero, src.fp().toW());
}
void LiftoffAssembler::emit_i8x16_rounding_average_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
aver_u_b(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i16x8_rounding_average_u(LiftoffRegister dst,
LiftoffRegister lhs,
LiftoffRegister rhs) {
aver_u_h(dst.fp().toW(), lhs.fp().toW(), rhs.fp().toW());
}
void LiftoffAssembler::emit_i8x16_abs(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
asub_s_b(dst.fp().toW(), src.fp().toW(), kSimd128RegZero);
}
void LiftoffAssembler::emit_i16x8_abs(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
asub_s_h(dst.fp().toW(), src.fp().toW(), kSimd128RegZero);
}
void LiftoffAssembler::emit_i32x4_abs(LiftoffRegister dst,
LiftoffRegister src) {
xor_v(kSimd128RegZero, kSimd128RegZero, kSimd128RegZero);
asub_s_w(dst.fp().toW(), src.fp().toW(), kSimd128RegZero);
}
void LiftoffAssembler::emit_i8x16_extract_lane_s(LiftoffRegister dst,
LiftoffRegister lhs,
uint8_t imm_lane_idx) {
copy_s_b(dst.gp(), lhs.fp().toW(), imm_lane_idx);
}
void LiftoffAssembler::emit_i8x16_extract_lane_u(LiftoffRegister dst,
LiftoffRegister lhs,
uint8_t imm_lane_idx) {
copy_u_b(dst.gp(), lhs.fp().toW(), imm_lane_idx);
}
void LiftoffAssembler::emit_i16x8_extract_lane_s(LiftoffRegister dst,
LiftoffRegister lhs,
uint8_t imm_lane_idx) {
copy_s_h(dst.gp(), lhs.fp().toW(), imm_lane_idx);
}
void LiftoffAssembler::emit_i16x8_extract_lane_u(LiftoffRegister dst,
LiftoffRegister lhs,
uint8_t imm_lane_idx) {
copy_u_h(dst.gp(), lhs.fp().toW(), imm_lane_idx);
}
void LiftoffAssembler::emit_i32x4_extract_lane(LiftoffRegister dst,
LiftoffRegister lhs,
uint8_t imm_lane_idx) {
copy_s_w(dst.gp(), lhs.fp().toW(), imm_lane_idx);
}
void LiftoffAssembler::emit_i64x2_extract_lane(LiftoffRegister dst,
LiftoffRegister lhs,
uint8_t imm_lane_idx) {
copy_s_d(dst.gp(), lhs.fp().toW(), imm_lane_idx);
}
void LiftoffAssembler::emit_f32x4_extract_lane(LiftoffRegister dst,
LiftoffRegister lhs,
uint8_t imm_lane_idx) {
copy_u_w(kScratchReg, lhs.fp().toW(), imm_lane_idx);
TurboAssembler::FmoveLow(dst.fp(), kScratchReg);
}
void LiftoffAssembler::emit_f64x2_extract_lane(LiftoffRegister dst,
LiftoffRegister lhs,
uint8_t imm_lane_idx) {
copy_s_d(kScratchReg, lhs.fp().toW(), imm_lane_idx);
TurboAssembler::Move(dst.fp(), kScratchReg);
}
void LiftoffAssembler::emit_i8x16_replace_lane(LiftoffRegister dst,
LiftoffRegister src1,
LiftoffRegister src2,
uint8_t imm_lane_idx) {
if (dst != src1) {
move_v(dst.fp().toW(), src1.fp().toW());
}
insert_b(dst.fp().toW(), imm_lane_idx, src2.gp());
}
void LiftoffAssembler::emit_i16x8_replace_lane(LiftoffRegister dst,
LiftoffRegister src1,
LiftoffRegister src2,
uint8_t imm_lane_idx) {
if (dst != src1) {
move_v(dst.fp().toW(), src1.fp().toW());
}
insert_h(dst.fp().toW(), imm_lane_idx, src2.gp());
}
void LiftoffAssembler::emit_i32x4_replace_lane(LiftoffRegister dst,
LiftoffRegister src1,
LiftoffRegister src2,
uint8_t imm_lane_idx) {
if (dst != src1) {
move_v(dst.fp().toW(), src1.fp().toW());
}
insert_w(dst.fp().toW(), imm_lane_idx, src2.gp());
}
void LiftoffAssembler::emit_i64x2_replace_lane(LiftoffRegister dst,
LiftoffRegister src1,
LiftoffRegister src2,
uint8_t imm_lane_idx) {
if (dst != src1) {
move_v(dst.fp().toW(), src1.fp().toW());
}
insert_d(dst.fp().toW(), imm_lane_idx, src2.gp());
}
void LiftoffAssembler::emit_f32x4_replace_lane(LiftoffRegister dst,
LiftoffRegister src1,
LiftoffRegister src2,
uint8_t imm_lane_idx) {
TurboAssembler::FmoveLow(kScratchReg, src2.fp());
if (dst != src1) {
move_v(dst.fp().toW(), src1.fp().toW());
}
insert_w(dst.fp().toW(), imm_lane_idx, kScratchReg);
}
void LiftoffAssembler::emit_f64x2_replace_lane(LiftoffRegister dst,
LiftoffRegister src1,
LiftoffRegister src2,
uint8_t imm_lane_idx) {
TurboAssembler::Move(kScratchReg, src2.fp());
if (dst != src1) {
move_v(dst.fp().toW(), src1.fp().toW());
}
insert_d(dst.fp().toW(), imm_lane_idx, kScratchReg);
}
void LiftoffAssembler::StackCheck(Label* ool_code, Register limit_address) {
TurboAssembler::Uld(limit_address, MemOperand(limit_address));
TurboAssembler::Branch(ool_code, ule, sp, Operand(limit_address));
}
void LiftoffAssembler::CallTrapCallbackForTesting() {
PrepareCallCFunction(0, GetUnusedRegister(kGpReg, {}).gp());
CallCFunction(ExternalReference::wasm_call_trap_callback_for_testing(), 0);
}
void LiftoffAssembler::AssertUnreachable(AbortReason reason) {
if (FLAG_debug_code) Abort(reason);
}
void LiftoffAssembler::PushRegisters(LiftoffRegList regs) {
LiftoffRegList gp_regs = regs & kGpCacheRegList;
unsigned num_gp_regs = gp_regs.GetNumRegsSet();
if (num_gp_regs) {
unsigned offset = num_gp_regs * kSystemPointerSize;
daddiu(sp, sp, -offset);
while (!gp_regs.is_empty()) {
LiftoffRegister reg = gp_regs.GetFirstRegSet();
offset -= kSystemPointerSize;
sd(reg.gp(), MemOperand(sp, offset));
gp_regs.clear(reg);
}
DCHECK_EQ(offset, 0);
}
LiftoffRegList fp_regs = regs & kFpCacheRegList;
unsigned num_fp_regs = fp_regs.GetNumRegsSet();
if (num_fp_regs) {
unsigned slot_size = IsEnabled(MIPS_SIMD) ? 16 : 8;
daddiu(sp, sp, -(num_fp_regs * slot_size));
unsigned offset = 0;
while (!fp_regs.is_empty()) {
LiftoffRegister reg = fp_regs.GetFirstRegSet();
if (IsEnabled(MIPS_SIMD)) {
TurboAssembler::st_d(reg.fp().toW(), MemOperand(sp, offset));
} else {
TurboAssembler::Sdc1(reg.fp(), MemOperand(sp, offset));
}
fp_regs.clear(reg);
offset += slot_size;
}
DCHECK_EQ(offset, num_fp_regs * slot_size);
}
}
void LiftoffAssembler::PopRegisters(LiftoffRegList regs) {
LiftoffRegList fp_regs = regs & kFpCacheRegList;
unsigned fp_offset = 0;
while (!fp_regs.is_empty()) {
LiftoffRegister reg = fp_regs.GetFirstRegSet();
if (IsEnabled(MIPS_SIMD)) {
TurboAssembler::ld_d(reg.fp().toW(), MemOperand(sp, fp_offset));
} else {
TurboAssembler::Ldc1(reg.fp(), MemOperand(sp, fp_offset));
}
fp_regs.clear(reg);
fp_offset += (IsEnabled(MIPS_SIMD) ? 16 : 8);
}
if (fp_offset) daddiu(sp, sp, fp_offset);
LiftoffRegList gp_regs = regs & kGpCacheRegList;
unsigned gp_offset = 0;
while (!gp_regs.is_empty()) {
LiftoffRegister reg = gp_regs.GetLastRegSet();
ld(reg.gp(), MemOperand(sp, gp_offset));
gp_regs.clear(reg);
gp_offset += kSystemPointerSize;
}
daddiu(sp, sp, gp_offset);
}
void LiftoffAssembler::RecordSpillsInSafepoint(Safepoint& safepoint,
LiftoffRegList all_spills,
LiftoffRegList ref_spills,
int spill_offset) {
int spill_space_size = 0;
while (!all_spills.is_empty()) {
LiftoffRegister reg = all_spills.GetFirstRegSet();
if (ref_spills.has(reg)) {
safepoint.DefinePointerSlot(spill_offset);
}
all_spills.clear(reg);
++spill_offset;
spill_space_size += kSystemPointerSize;
}
// Record the number of additional spill slots.
RecordOolSpillSpaceSize(spill_space_size);
}
void LiftoffAssembler::DropStackSlotsAndRet(uint32_t num_stack_slots) {
DCHECK_LT(num_stack_slots,
(1 << 16) / kSystemPointerSize); // 16 bit immediate
TurboAssembler::DropAndRet(static_cast<int>(num_stack_slots));
}
void LiftoffAssembler::CallC(const ValueKindSig* sig,
const LiftoffRegister* args,
const LiftoffRegister* rets,
ValueKind out_argument_kind, int stack_bytes,
ExternalReference ext_ref) {
Daddu(sp, sp, -stack_bytes);
int arg_bytes = 0;
for (ValueKind param_kind : sig->parameters()) {
liftoff::Store(this, sp, arg_bytes, *args++, param_kind);
arg_bytes += element_size_bytes(param_kind);
}
DCHECK_LE(arg_bytes, stack_bytes);
// Pass a pointer to the buffer with the arguments to the C function.
// On mips, the first argument is passed in {a0}.
constexpr Register kFirstArgReg = a0;
mov(kFirstArgReg, sp);
// Now call the C function.
constexpr int kNumCCallArgs = 1;
PrepareCallCFunction(kNumCCallArgs, kScratchReg);
CallCFunction(ext_ref, kNumCCallArgs);
// Move return value to the right register.
const LiftoffRegister* next_result_reg = rets;
if (sig->return_count() > 0) {
DCHECK_EQ(1, sig->return_count());
constexpr Register kReturnReg = v0;
if (kReturnReg != next_result_reg->gp()) {
Move(*next_result_reg, LiftoffRegister(kReturnReg), sig->GetReturn(0));
}
++next_result_reg;
}
// Load potential output value from the buffer on the stack.
if (out_argument_kind != kVoid) {
liftoff::Load(this, *next_result_reg, MemOperand(sp, 0), out_argument_kind);
}
Daddu(sp, sp, stack_bytes);
}
void LiftoffAssembler::CallNativeWasmCode(Address addr) {
Call(addr, RelocInfo::WASM_CALL);
}
void LiftoffAssembler::TailCallNativeWasmCode(Address addr) {
Jump(addr, RelocInfo::WASM_CALL);
}
void LiftoffAssembler::CallIndirect(const ValueKindSig* sig,
compiler::CallDescriptor* call_descriptor,
Register target) {
if (target == no_reg) {
pop(kScratchReg);
Call(kScratchReg);
} else {
Call(target);
}
}
void LiftoffAssembler::TailCallIndirect(Register target) {
if (target == no_reg) {
Pop(kScratchReg);
Jump(kScratchReg);
} else {
Jump(target);
}
}
void LiftoffAssembler::CallRuntimeStub(WasmCode::RuntimeStubId sid) {
// A direct call to a wasm runtime stub defined in this module.
// Just encode the stub index. This will be patched at relocation.
Call(static_cast<Address>(sid), RelocInfo::WASM_STUB_CALL);
}
void LiftoffAssembler::AllocateStackSlot(Register addr, uint32_t size) {
Daddu(sp, sp, -size);
TurboAssembler::Move(addr, sp);
}
void LiftoffAssembler::DeallocateStackSlot(uint32_t size) {
Daddu(sp, sp, size);
}
void LiftoffAssembler::MaybeOSR() {}
void LiftoffAssembler::emit_set_if_nan(Register dst, FPURegister src,
ValueKind kind) {
UseScratchRegisterScope temps(this);
Register scratch = temps.Acquire();
li(scratch, 1);
if (kind == kF32) {
CompareIsNanF32(src, src);
} else {
DCHECK_EQ(kind, kF64);
CompareIsNanF64(src, src);
}
LoadZeroIfNotFPUCondition(scratch);
Sd(scratch, MemOperand(dst));
}
void LiftoffAssembler::emit_s128_set_if_nan(Register dst, DoubleRegister src,
Register tmp_gp,
DoubleRegister tmp_fp,
ValueKind lane_kind) {
UNIMPLEMENTED();
}
void LiftoffStackSlots::Construct(int param_slots) {
DCHECK_LT(0, slots_.size());
SortInPushOrder();
int last_stack_slot = param_slots;
for (auto& slot : slots_) {
const int stack_slot = slot.dst_slot_;
int stack_decrement = (last_stack_slot - stack_slot) * kSystemPointerSize;
DCHECK_LT(0, stack_decrement);
last_stack_slot = stack_slot;
const LiftoffAssembler::VarState& src = slot.src_;
switch (src.loc()) {
case LiftoffAssembler::VarState::kStack:
if (src.kind() != kS128) {
asm_->AllocateStackSpace(stack_decrement - kSystemPointerSize);
asm_->Ld(kScratchReg, liftoff::GetStackSlot(slot.src_offset_));
asm_->push(kScratchReg);
} else {
asm_->AllocateStackSpace(stack_decrement - kSimd128Size);
asm_->Ld(kScratchReg, liftoff::GetStackSlot(slot.src_offset_ - 8));
asm_->push(kScratchReg);
asm_->Ld(kScratchReg, liftoff::GetStackSlot(slot.src_offset_));
asm_->push(kScratchReg);
}
break;
case LiftoffAssembler::VarState::kRegister: {
int pushed_bytes = SlotSizeInBytes(slot);
asm_->AllocateStackSpace(stack_decrement - pushed_bytes);
liftoff::push(asm_, src.reg(), src.kind());
break;
}
case LiftoffAssembler::VarState::kIntConst: {
asm_->AllocateStackSpace(stack_decrement - kSystemPointerSize);
asm_->li(kScratchReg, Operand(src.i32_const()));
asm_->push(kScratchReg);
break;
}
}
}
}
} // namespace wasm
} // namespace internal
} // namespace v8
#endif // V8_WASM_BASELINE_MIPS64_LIFTOFF_ASSEMBLER_MIPS64_H_
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