mirror of
https://git.suyu.dev/suyu/dynarmic.git
synced 2026-02-06 11:43:36 +00:00
5b71b1337b
Now that we handle the signed variants, we also have to be careful about left shifts with negative values, as this is considered undefined behavior.
1724 lines
58 KiB
C++
1724 lines
58 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2016 MerryMage
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* This software may be used and distributed according to the terms of the GNU
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* General Public License version 2 or any later version.
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*/
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#include <algorithm>
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#include <functional>
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#include <type_traits>
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#include "backend_x64/abi.h"
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#include "backend_x64/block_of_code.h"
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#include "backend_x64/emit_x64.h"
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#include "common/assert.h"
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#include "common/bit_util.h"
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#include "common/common_types.h"
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#include "common/mp.h"
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#include "frontend/ir/basic_block.h"
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#include "frontend/ir/microinstruction.h"
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#include "frontend/ir/opcodes.h"
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namespace Dynarmic::BackendX64 {
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using namespace Xbyak::util;
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template <typename Function>
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static void EmitVectorOperation(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, Function fn) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
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Xbyak::Xmm xmm_b = ctx.reg_alloc.UseXmm(args[1]);
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(code.*fn)(xmm_a, xmm_b);
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ctx.reg_alloc.DefineValue(inst, xmm_a);
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}
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template <typename Lambda>
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static void EmitOneArgumentFallback(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, Lambda lambda) {
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const auto fn = static_cast<mp::equivalent_function_type_t<Lambda>*>(lambda);
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constexpr u32 stack_space = 2 * 16;
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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const Xbyak::Xmm arg1 = ctx.reg_alloc.UseXmm(args[0]);
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ctx.reg_alloc.EndOfAllocScope();
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ctx.reg_alloc.HostCall(nullptr);
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code.sub(rsp, stack_space + ABI_SHADOW_SPACE);
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code.lea(code.ABI_PARAM1, ptr[rsp + ABI_SHADOW_SPACE + 0 * 16]);
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code.lea(code.ABI_PARAM2, ptr[rsp + ABI_SHADOW_SPACE + 1 * 16]);
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code.movaps(xword[code.ABI_PARAM2], arg1);
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code.CallFunction(fn);
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code.movaps(xmm0, xword[rsp + ABI_SHADOW_SPACE + 0 * 16]);
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code.add(rsp, stack_space + ABI_SHADOW_SPACE);
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ctx.reg_alloc.DefineValue(inst, xmm0);
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}
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template <typename Lambda>
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static void EmitTwoArgumentFallback(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, Lambda lambda) {
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const auto fn = static_cast<mp::equivalent_function_type_t<Lambda>*>(lambda);
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constexpr u32 stack_space = 3 * 16;
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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const Xbyak::Xmm arg1 = ctx.reg_alloc.UseXmm(args[0]);
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const Xbyak::Xmm arg2 = ctx.reg_alloc.UseXmm(args[1]);
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ctx.reg_alloc.EndOfAllocScope();
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ctx.reg_alloc.HostCall(nullptr);
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code.sub(rsp, stack_space + ABI_SHADOW_SPACE);
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code.lea(code.ABI_PARAM1, ptr[rsp + ABI_SHADOW_SPACE + 0 * 16]);
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code.lea(code.ABI_PARAM2, ptr[rsp + ABI_SHADOW_SPACE + 1 * 16]);
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code.lea(code.ABI_PARAM3, ptr[rsp + ABI_SHADOW_SPACE + 2 * 16]);
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code.movaps(xword[code.ABI_PARAM2], arg1);
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code.movaps(xword[code.ABI_PARAM3], arg2);
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code.CallFunction(fn);
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code.movaps(xmm0, xword[rsp + ABI_SHADOW_SPACE + 0 * 16]);
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code.add(rsp, stack_space + ABI_SHADOW_SPACE);
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ctx.reg_alloc.DefineValue(inst, xmm0);
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}
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void EmitX64::EmitVectorGetElement8(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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ASSERT(args[1].IsImmediate());
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u8 index = args[1].GetImmediateU8();
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Xbyak::Xmm source = ctx.reg_alloc.UseXmm(args[0]);
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if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
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Xbyak::Reg32 dest = ctx.reg_alloc.ScratchGpr().cvt32();
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code.pextrb(dest, source, index);
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ctx.reg_alloc.DefineValue(inst, dest);
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} else {
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Xbyak::Reg32 dest = ctx.reg_alloc.ScratchGpr().cvt32();
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code.pextrw(dest, source, index / 2);
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if (index % 2 == 1) {
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code.shr(dest, 8);
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}
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ctx.reg_alloc.DefineValue(inst, dest);
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}
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}
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void EmitX64::EmitVectorGetElement16(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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ASSERT(args[1].IsImmediate());
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u8 index = args[1].GetImmediateU8();
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Xbyak::Xmm source = ctx.reg_alloc.UseXmm(args[0]);
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Xbyak::Reg32 dest = ctx.reg_alloc.ScratchGpr().cvt32();
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code.pextrw(dest, source, index);
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ctx.reg_alloc.DefineValue(inst, dest);
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}
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void EmitX64::EmitVectorGetElement32(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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ASSERT(args[1].IsImmediate());
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u8 index = args[1].GetImmediateU8();
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Xbyak::Reg32 dest = ctx.reg_alloc.ScratchGpr().cvt32();
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if (index == 0) {
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Xbyak::Xmm source = ctx.reg_alloc.UseXmm(args[0]);
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code.movd(dest, source);
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} else if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
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Xbyak::Xmm source = ctx.reg_alloc.UseXmm(args[0]);
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code.pextrd(dest, source, index);
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} else {
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Xbyak::Xmm source = ctx.reg_alloc.UseScratchXmm(args[0]);
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code.pshufd(source, source, index);
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code.movd(dest, source);
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}
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ctx.reg_alloc.DefineValue(inst, dest);
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}
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void EmitX64::EmitVectorGetElement64(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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ASSERT(args[1].IsImmediate());
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u8 index = args[1].GetImmediateU8();
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Xbyak::Reg64 dest = ctx.reg_alloc.ScratchGpr().cvt64();
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if (index == 0) {
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Xbyak::Xmm source = ctx.reg_alloc.UseXmm(args[0]);
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code.movq(dest, source);
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} else if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
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Xbyak::Xmm source = ctx.reg_alloc.UseXmm(args[0]);
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code.pextrq(dest, source, 1);
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} else {
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Xbyak::Xmm source = ctx.reg_alloc.UseScratchXmm(args[0]);
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code.punpckhqdq(source, source);
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code.movq(dest, source);
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}
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ctx.reg_alloc.DefineValue(inst, dest);
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}
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void EmitX64::EmitVectorSetElement8(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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ASSERT(args[1].IsImmediate());
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u8 index = args[1].GetImmediateU8();
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if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
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Xbyak::Xmm source_vector = ctx.reg_alloc.UseScratchXmm(args[0]);
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Xbyak::Reg8 source_elem = ctx.reg_alloc.UseGpr(args[2]).cvt8();
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code.pinsrb(source_vector, source_elem.cvt32(), index);
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ctx.reg_alloc.DefineValue(inst, source_vector);
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} else {
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Xbyak::Xmm source_vector = ctx.reg_alloc.UseScratchXmm(args[0]);
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Xbyak::Reg32 source_elem = ctx.reg_alloc.UseScratchGpr(args[2]).cvt32();
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Xbyak::Reg32 tmp = ctx.reg_alloc.ScratchGpr().cvt32();
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code.pextrw(tmp, source_vector, index / 2);
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if (index % 2 == 0) {
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code.and_(tmp, 0xFF00);
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code.and_(source_elem, 0x00FF);
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code.or_(tmp, source_elem);
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} else {
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code.and_(tmp, 0x00FF);
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code.shl(source_elem, 8);
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code.or_(tmp, source_elem);
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}
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code.pinsrw(source_vector, tmp, index / 2);
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ctx.reg_alloc.DefineValue(inst, source_vector);
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}
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}
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void EmitX64::EmitVectorSetElement16(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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ASSERT(args[1].IsImmediate());
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u8 index = args[1].GetImmediateU8();
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Xbyak::Xmm source_vector = ctx.reg_alloc.UseScratchXmm(args[0]);
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Xbyak::Reg16 source_elem = ctx.reg_alloc.UseGpr(args[2]).cvt16();
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code.pinsrw(source_vector, source_elem.cvt32(), index);
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ctx.reg_alloc.DefineValue(inst, source_vector);
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}
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void EmitX64::EmitVectorSetElement32(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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ASSERT(args[1].IsImmediate());
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u8 index = args[1].GetImmediateU8();
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if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
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Xbyak::Xmm source_vector = ctx.reg_alloc.UseScratchXmm(args[0]);
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Xbyak::Reg32 source_elem = ctx.reg_alloc.UseGpr(args[2]).cvt32();
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code.pinsrd(source_vector, source_elem, index);
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ctx.reg_alloc.DefineValue(inst, source_vector);
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} else {
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Xbyak::Xmm source_vector = ctx.reg_alloc.UseScratchXmm(args[0]);
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Xbyak::Reg32 source_elem = ctx.reg_alloc.UseScratchGpr(args[2]).cvt32();
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code.pinsrw(source_vector, source_elem, index * 2);
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code.shr(source_elem, 16);
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code.pinsrw(source_vector, source_elem, index * 2 + 1);
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ctx.reg_alloc.DefineValue(inst, source_vector);
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}
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}
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void EmitX64::EmitVectorSetElement64(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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ASSERT(args[1].IsImmediate());
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u8 index = args[1].GetImmediateU8();
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if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
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Xbyak::Xmm source_vector = ctx.reg_alloc.UseScratchXmm(args[0]);
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Xbyak::Reg64 source_elem = ctx.reg_alloc.UseGpr(args[2]);
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code.pinsrq(source_vector, source_elem, index);
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ctx.reg_alloc.DefineValue(inst, source_vector);
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} else {
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Xbyak::Xmm source_vector = ctx.reg_alloc.UseScratchXmm(args[0]);
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Xbyak::Reg64 source_elem = ctx.reg_alloc.UseScratchGpr(args[2]);
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code.pinsrw(source_vector, source_elem.cvt32(), index * 4);
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code.shr(source_elem, 16);
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code.pinsrw(source_vector, source_elem.cvt32(), index * 4 + 1);
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code.shr(source_elem, 16);
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code.pinsrw(source_vector, source_elem.cvt32(), index * 4 + 2);
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code.shr(source_elem, 16);
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code.pinsrw(source_vector, source_elem.cvt32(), index * 4 + 3);
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ctx.reg_alloc.DefineValue(inst, source_vector);
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}
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}
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static void EmitVectorAbs(size_t esize, EmitContext& ctx, IR::Inst* inst, BlockOfCode& code) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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const Xbyak::Xmm data = ctx.reg_alloc.UseScratchXmm(args[0]);
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switch (esize) {
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case 8:
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if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSSE3)) {
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code.pabsb(data, data);
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} else {
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const Xbyak::Xmm temp = ctx.reg_alloc.ScratchXmm();
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code.pxor(temp, temp);
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code.psubb(temp, data);
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code.pminub(data, temp);
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}
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break;
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case 16:
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if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSSE3)) {
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code.pabsw(data, data);
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} else {
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const Xbyak::Xmm temp = ctx.reg_alloc.ScratchXmm();
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code.pxor(temp, temp);
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code.psubw(temp, data);
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code.pmaxsw(data, temp);
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}
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break;
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case 32:
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if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSSE3)) {
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code.pabsd(data, data);
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} else {
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const Xbyak::Xmm temp = ctx.reg_alloc.ScratchXmm();
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code.movdqa(temp, data);
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code.psrad(temp, 31);
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code.pxor(data, temp);
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code.psubd(data, temp);
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}
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break;
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case 64: {
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const Xbyak::Xmm temp = ctx.reg_alloc.ScratchXmm();
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code.pshufd(temp, data, 0b11110101);
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code.psrad(temp, 31);
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code.pxor(data, temp);
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code.psubq(data, temp);
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break;
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}
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}
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ctx.reg_alloc.DefineValue(inst, data);
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}
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void EmitX64::EmitVectorAbs8(EmitContext& ctx, IR::Inst* inst) {
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EmitVectorAbs(8, ctx, inst, code);
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}
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void EmitX64::EmitVectorAbs16(EmitContext& ctx, IR::Inst* inst) {
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EmitVectorAbs(16, ctx, inst, code);
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}
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void EmitX64::EmitVectorAbs32(EmitContext& ctx, IR::Inst* inst) {
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EmitVectorAbs(32, ctx, inst, code);
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}
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void EmitX64::EmitVectorAbs64(EmitContext& ctx, IR::Inst* inst) {
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EmitVectorAbs(64, ctx, inst, code);
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}
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void EmitX64::EmitVectorAdd8(EmitContext& ctx, IR::Inst* inst) {
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EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::paddb);
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}
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void EmitX64::EmitVectorAdd16(EmitContext& ctx, IR::Inst* inst) {
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EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::paddw);
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}
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void EmitX64::EmitVectorAdd32(EmitContext& ctx, IR::Inst* inst) {
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EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::paddd);
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}
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void EmitX64::EmitVectorAdd64(EmitContext& ctx, IR::Inst* inst) {
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EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::paddq);
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}
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void EmitX64::EmitVectorAnd(EmitContext& ctx, IR::Inst* inst) {
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EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pand);
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}
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void EmitX64::EmitVectorArithmeticShiftRight8(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
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Xbyak::Xmm tmp = ctx.reg_alloc.ScratchXmm();
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const u8 shift_amount = args[1].GetImmediateU8();
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// TODO: Optimize
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code.movdqa(tmp, result);
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code.pslldq(tmp, 1);
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code.psraw(tmp, shift_amount);
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code.psraw(result, shift_amount + 8);
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code.psllw(result, 8);
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code.psrlw(tmp, 8);
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code.por(result, tmp);
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ctx.reg_alloc.DefineValue(inst, result);
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}
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void EmitX64::EmitVectorArithmeticShiftRight16(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
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const u8 shift_amount = args[1].GetImmediateU8();
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code.psraw(result, shift_amount);
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ctx.reg_alloc.DefineValue(inst, result);
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}
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void EmitX64::EmitVectorArithmeticShiftRight32(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
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const u8 shift_amount = args[1].GetImmediateU8();
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code.psrad(result, shift_amount);
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ctx.reg_alloc.DefineValue(inst, result);
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}
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void EmitX64::EmitVectorArithmeticShiftRight64(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
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Xbyak::Xmm tmp1 = ctx.reg_alloc.ScratchXmm();
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Xbyak::Xmm tmp2 = ctx.reg_alloc.ScratchXmm();
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const u8 shift_amount = std::min(args[1].GetImmediateU8(), u8(63));
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const u64 sign_bit = 0x80000000'00000000u >> shift_amount;
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code.pxor(tmp2, tmp2);
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code.psrlq(result, shift_amount);
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code.movdqa(tmp1, code.MConst(xword, sign_bit, sign_bit));
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code.pand(tmp1, result);
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code.psubq(tmp2, tmp1);
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code.por(result, tmp2);
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ctx.reg_alloc.DefineValue(inst, result);
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}
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void EmitX64::EmitVectorBroadcastLower8(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
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if (code.DoesCpuSupport(Xbyak::util::Cpu::tAVX2)) {
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code.vpbroadcastb(a, a);
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code.movq(a, a);
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} else if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSSE3)) {
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Xbyak::Xmm tmp = ctx.reg_alloc.ScratchXmm();
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code.pxor(tmp, tmp);
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code.pshufb(a, tmp);
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code.movq(a, a);
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} else {
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code.punpcklbw(a, a);
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code.pshuflw(a, a, 0);
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}
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ctx.reg_alloc.DefineValue(inst, a);
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}
|
|
|
|
void EmitX64::EmitVectorBroadcastLower16(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
|
|
code.pshuflw(a, a, 0);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorBroadcastLower32(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
|
|
code.pshuflw(a, a, 0b01000100);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorBroadcast8(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tAVX2)) {
|
|
code.vpbroadcastb(a, a);
|
|
} else if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSSE3)) {
|
|
Xbyak::Xmm tmp = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.pxor(tmp, tmp);
|
|
code.pshufb(a, tmp);
|
|
} else {
|
|
code.punpcklbw(a, a);
|
|
code.pshuflw(a, a, 0);
|
|
code.punpcklqdq(a, a);
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorBroadcast16(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tAVX2)) {
|
|
code.vpbroadcastw(a, a);
|
|
} else {
|
|
code.pshuflw(a, a, 0);
|
|
code.punpcklqdq(a, a);
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorBroadcast32(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tAVX2)) {
|
|
code.vpbroadcastd(a, a);
|
|
} else {
|
|
code.pshufd(a, a, 0);
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorBroadcast64(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tAVX2)) {
|
|
code.vpbroadcastq(a, a);
|
|
} else {
|
|
code.punpcklqdq(a, a);
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorDeinterleaveEven8(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
const Xbyak::Xmm lhs = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm rhs = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
const Xbyak::Xmm tmp = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.movdqa(tmp, code.MConst(xword, 0x00FF00FF00FF00FF, 0x00FF00FF00FF00FF));
|
|
code.pand(lhs, tmp);
|
|
code.pand(rhs, tmp);
|
|
code.packuswb(lhs, rhs);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, lhs);
|
|
}
|
|
|
|
void EmitX64::EmitVectorDeinterleaveEven16(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
const Xbyak::Xmm lhs = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm rhs = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
|
|
code.pslld(lhs, 16);
|
|
code.psrad(lhs, 16);
|
|
|
|
code.pslld(rhs, 16);
|
|
code.psrad(rhs, 16);
|
|
|
|
code.packssdw(lhs, rhs);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, lhs);
|
|
}
|
|
|
|
void EmitX64::EmitVectorDeinterleaveEven32(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
const Xbyak::Xmm lhs = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm rhs = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
|
|
code.pshufd(lhs, lhs, 0b10001000);
|
|
code.pshufd(rhs, rhs, 0b10001000);
|
|
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
code.pblendw(lhs, rhs, 0b11110000);
|
|
} else {
|
|
code.punpcklqdq(lhs, rhs);
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, lhs);
|
|
}
|
|
|
|
void EmitX64::EmitVectorDeinterleaveEven64(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
const Xbyak::Xmm lhs = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm rhs = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
|
|
code.movq(lhs, lhs);
|
|
code.pslldq(rhs, 8);
|
|
code.por(lhs, rhs);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, lhs);
|
|
}
|
|
|
|
void EmitX64::EmitVectorDeinterleaveOdd8(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
const Xbyak::Xmm lhs = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm rhs = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
|
|
code.psraw(lhs, 8);
|
|
code.psraw(rhs, 8);
|
|
code.packsswb(lhs, rhs);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, lhs);
|
|
}
|
|
|
|
void EmitX64::EmitVectorDeinterleaveOdd16(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
const Xbyak::Xmm lhs = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm rhs = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
|
|
code.psrad(lhs, 16);
|
|
code.psrad(rhs, 16);
|
|
code.packssdw(lhs, rhs);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, lhs);
|
|
}
|
|
|
|
void EmitX64::EmitVectorDeinterleaveOdd32(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
const Xbyak::Xmm lhs = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm rhs = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
|
|
code.pshufd(lhs, lhs, 0b11011101);
|
|
code.pshufd(rhs, rhs, 0b11011101);
|
|
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
code.pblendw(lhs, rhs, 0b11110000);
|
|
} else {
|
|
code.punpcklqdq(lhs, rhs);
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, lhs);
|
|
}
|
|
|
|
void EmitX64::EmitVectorDeinterleaveOdd64(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
const Xbyak::Xmm lhs = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm rhs = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
|
|
code.punpckhqdq(lhs, rhs);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, lhs);
|
|
}
|
|
|
|
void EmitX64::EmitVectorEor(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pxor);
|
|
}
|
|
|
|
void EmitX64::EmitVectorEqual8(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pcmpeqb);
|
|
}
|
|
|
|
void EmitX64::EmitVectorEqual16(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pcmpeqw);
|
|
}
|
|
|
|
void EmitX64::EmitVectorEqual32(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pcmpeqd);
|
|
}
|
|
|
|
void EmitX64::EmitVectorEqual64(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pcmpeqq);
|
|
return;
|
|
}
|
|
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm xmm_b = ctx.reg_alloc.UseXmm(args[1]);
|
|
Xbyak::Xmm tmp = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.pcmpeqd(xmm_a, xmm_b);
|
|
code.pshufd(tmp, xmm_a, 0b10110001);
|
|
code.pand(xmm_a, tmp);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, xmm_a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorEqual128(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm xmm_b = ctx.reg_alloc.UseXmm(args[1]);
|
|
Xbyak::Xmm tmp = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.pcmpeqq(xmm_a, xmm_b);
|
|
code.pshufd(tmp, xmm_a, 0b01001110);
|
|
code.pand(xmm_a, tmp);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, xmm_a);
|
|
} else {
|
|
Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm xmm_b = ctx.reg_alloc.UseXmm(args[1]);
|
|
Xbyak::Xmm tmp = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.pcmpeqd(xmm_a, xmm_b);
|
|
code.pshufd(tmp, xmm_a, 0b10110001);
|
|
code.pand(xmm_a, tmp);
|
|
code.pshufd(tmp, xmm_a, 0b01001110);
|
|
code.pand(xmm_a, tmp);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, xmm_a);
|
|
}
|
|
}
|
|
|
|
void EmitX64::EmitVectorExtract(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
const Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm xmm_b = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
|
|
const u8 position = args[2].GetImmediateU8();
|
|
ASSERT(position % 8 == 0);
|
|
|
|
code.psrldq(xmm_a, position / 8);
|
|
code.pslldq(xmm_b, (128 - position) / 8);
|
|
code.por(xmm_a, xmm_b);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, xmm_a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorExtractLower(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
const Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm xmm_b = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
|
|
const u8 position = args[2].GetImmediateU8();
|
|
ASSERT(position % 8 == 0);
|
|
|
|
code.psrldq(xmm_a, position / 8);
|
|
code.pslldq(xmm_b, (64 - position) / 8);
|
|
code.por(xmm_a, xmm_b);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, xmm_a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorGreaterS8(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pcmpgtb);
|
|
}
|
|
|
|
void EmitX64::EmitVectorGreaterS16(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pcmpgtw);
|
|
}
|
|
|
|
void EmitX64::EmitVectorGreaterS32(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pcmpgtd);
|
|
}
|
|
|
|
void EmitX64::EmitVectorGreaterS64(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE42)) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pcmpgtq);
|
|
return;
|
|
}
|
|
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<s64, 2>& a, const std::array<s64, 2>& b){
|
|
for (size_t i = 0; i < result.size(); ++i) {
|
|
result[i] = (a[i] > b[i]) ? ~u64(0) : 0;
|
|
}
|
|
});
|
|
}
|
|
|
|
static void EmitVectorInterleaveLower(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, int size) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm b = ctx.reg_alloc.UseXmm(args[1]);
|
|
|
|
switch (size) {
|
|
case 8:
|
|
code.punpcklbw(a, b);
|
|
break;
|
|
case 16:
|
|
code.punpcklwd(a, b);
|
|
break;
|
|
case 32:
|
|
code.punpckldq(a, b);
|
|
break;
|
|
case 64:
|
|
code.punpcklqdq(a, b);
|
|
break;
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorInterleaveLower8(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorInterleaveLower(code, ctx, inst, 8);
|
|
}
|
|
|
|
void EmitX64::EmitVectorInterleaveLower16(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorInterleaveLower(code, ctx, inst, 16);
|
|
}
|
|
|
|
void EmitX64::EmitVectorInterleaveLower32(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorInterleaveLower(code, ctx, inst, 32);
|
|
}
|
|
|
|
void EmitX64::EmitVectorInterleaveLower64(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorInterleaveLower(code, ctx, inst, 64);
|
|
}
|
|
|
|
static void EmitVectorInterleaveUpper(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, int size) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm b = ctx.reg_alloc.UseXmm(args[1]);
|
|
|
|
switch (size) {
|
|
case 8:
|
|
code.punpckhbw(a, b);
|
|
break;
|
|
case 16:
|
|
code.punpckhwd(a, b);
|
|
break;
|
|
case 32:
|
|
code.punpckhdq(a, b);
|
|
break;
|
|
case 64:
|
|
code.punpckhqdq(a, b);
|
|
break;
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorInterleaveUpper8(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorInterleaveUpper(code, ctx, inst, 8);
|
|
}
|
|
|
|
void EmitX64::EmitVectorInterleaveUpper16(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorInterleaveUpper(code, ctx, inst, 16);
|
|
}
|
|
|
|
void EmitX64::EmitVectorInterleaveUpper32(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorInterleaveUpper(code, ctx, inst, 32);
|
|
}
|
|
|
|
void EmitX64::EmitVectorInterleaveUpper64(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorInterleaveUpper(code, ctx, inst, 64);
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalShiftLeft8(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const u8 shift_amount = args[1].GetImmediateU8();
|
|
|
|
// TODO: Optimize
|
|
for (size_t i = 0; i < shift_amount; ++i) {
|
|
code.paddb(result, result);
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, result);
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalShiftLeft16(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const u8 shift_amount = args[1].GetImmediateU8();
|
|
|
|
code.psllw(result, shift_amount);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, result);
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalShiftLeft32(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const u8 shift_amount = args[1].GetImmediateU8();
|
|
|
|
code.pslld(result, shift_amount);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, result);
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalShiftLeft64(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const u8 shift_amount = args[1].GetImmediateU8();
|
|
|
|
code.psllq(result, shift_amount);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, result);
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalShiftRight8(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm zeros = ctx.reg_alloc.ScratchXmm();
|
|
Xbyak::Xmm mask = ctx.reg_alloc.ScratchXmm();
|
|
const u8 shift_amount = args[1].GetImmediateU8();
|
|
|
|
// TODO: Optimize
|
|
code.pcmpeqb(mask, mask); // mask = 0xFF
|
|
code.paddb(mask, mask); // mask = 0xFE
|
|
code.pxor(zeros, zeros);
|
|
for (size_t i = 0; i < shift_amount; ++i) {
|
|
code.pand(result, mask);
|
|
code.pavgb(result, zeros);
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, result);
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalShiftRight16(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const u8 shift_amount = args[1].GetImmediateU8();
|
|
|
|
code.psrlw(result, shift_amount);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, result);
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalShiftRight32(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const u8 shift_amount = args[1].GetImmediateU8();
|
|
|
|
code.psrld(result, shift_amount);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, result);
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalShiftRight64(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm result = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const u8 shift_amount = args[1].GetImmediateU8();
|
|
|
|
code.psrlq(result, shift_amount);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, result);
|
|
}
|
|
|
|
template <typename T>
|
|
static constexpr T LogicalVShift(T x, T y) {
|
|
const s8 shift_amount = static_cast<s8>(static_cast<u8>(y));
|
|
const s64 bit_size = static_cast<s64>(Common::BitSize<T>());
|
|
|
|
if constexpr (std::is_signed_v<T>) {
|
|
if (shift_amount >= bit_size) {
|
|
return 0;
|
|
}
|
|
} else if (shift_amount <= -bit_size || shift_amount >= bit_size) {
|
|
return 0;
|
|
}
|
|
|
|
if constexpr (std::is_signed_v<T>) {
|
|
if (shift_amount <= -bit_size) {
|
|
// Parentheses necessary, as MSVC doesn't appear to consider cast parentheses
|
|
// as a grouping in terms of precedence, causing warning C4554 to fire. See:
|
|
// https://developercommunity.visualstudio.com/content/problem/144783/msvc-2017-does-not-understand-that-static-cast-cou.html
|
|
return x >> (T(bit_size - 1));
|
|
}
|
|
}
|
|
|
|
if (shift_amount < 0) {
|
|
return x >> T(-shift_amount);
|
|
}
|
|
|
|
using unsigned_type = std::make_unsigned_t<T>;
|
|
return static_cast<T>(static_cast<unsigned_type>(x) << static_cast<unsigned_type>(shift_amount));
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalVShiftS8(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<s8, 16>& result, const std::array<s8, 16>& a, const std::array<s8, 16>& b) {
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), LogicalVShift<s8>);
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalVShiftS16(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<s16, 8>& result, const std::array<s16, 8>& a, const std::array<s16, 8>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), LogicalVShift<s16>);
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalVShiftS32(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<s32, 4>& result, const std::array<s32, 4>& a, const std::array<s32, 4>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), LogicalVShift<s32>);
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalVShiftS64(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<s64, 2>& result, const std::array<s64, 2>& a, const std::array<s64, 2>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), LogicalVShift<s64>);
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalVShiftU8(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u8, 16>& result, const std::array<u8, 16>& a, const std::array<u8, 16>& b) {
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), LogicalVShift<u8>);
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalVShiftU16(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u16, 8>& result, const std::array<u16, 8>& a, const std::array<u16, 8>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), LogicalVShift<u16>);
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalVShiftU32(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u32, 4>& result, const std::array<u32, 4>& a, const std::array<u32, 4>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), LogicalVShift<u32>);
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorLogicalVShiftU64(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<u64, 2>& a, const std::array<u64, 2>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), LogicalVShift<u64>);
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorMaxS8(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pmaxsb);
|
|
return;
|
|
}
|
|
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<s8, 16>& result, const std::array<s8, 16>& a, const std::array<s8, 16>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::max(x, y); });
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorMaxS16(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pmaxsw);
|
|
}
|
|
|
|
void EmitX64::EmitVectorMaxS32(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pmaxsd);
|
|
return;
|
|
}
|
|
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<s32, 4>& result, const std::array<s32, 4>& a, const std::array<s32, 4>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::max(x, y); });
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorMaxS64(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<s64, 2>& result, const std::array<s64, 2>& a, const std::array<s64, 2>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::max(x, y); });
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorMaxU8(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pmaxub);
|
|
}
|
|
|
|
void EmitX64::EmitVectorMaxU16(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pmaxuw);
|
|
return;
|
|
}
|
|
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm b = ctx.reg_alloc.UseXmm(args[1]);
|
|
|
|
code.psubusw(a, b);
|
|
code.paddw(a, b);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorMaxU32(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pmaxud);
|
|
return;
|
|
}
|
|
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u32, 4>& result, const std::array<u32, 4>& a, const std::array<u32, 4>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::max(x, y); });
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorMaxU64(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<u64, 2>& a, const std::array<u64, 2>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::max(x, y); });
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorMinS8(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pminsb);
|
|
return;
|
|
}
|
|
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<s8, 16>& result, const std::array<s8, 16>& a, const std::array<s8, 16>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); });
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorMinS16(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pminsw);
|
|
}
|
|
|
|
void EmitX64::EmitVectorMinS32(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pminsd);
|
|
return;
|
|
}
|
|
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<s32, 4>& result, const std::array<s32, 4>& a, const std::array<s32, 4>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); });
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorMinS64(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<s64, 2>& result, const std::array<s64, 2>& a, const std::array<s64, 2>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); });
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorMinU8(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pminub);
|
|
}
|
|
|
|
void EmitX64::EmitVectorMinU16(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pminuw);
|
|
return;
|
|
}
|
|
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u16, 8>& result, const std::array<u16, 8>& a, const std::array<u16, 8>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); });
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorMinU32(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pminud);
|
|
return;
|
|
}
|
|
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u32, 4>& result, const std::array<u32, 4>& a, const std::array<u32, 4>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); });
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorMinU64(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<u64, 2>& a, const std::array<u64, 2>& b){
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), [](auto x, auto y) { return std::min(x, y); });
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorMultiply8(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm b = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
Xbyak::Xmm tmp_a = ctx.reg_alloc.ScratchXmm();
|
|
Xbyak::Xmm tmp_b = ctx.reg_alloc.ScratchXmm();
|
|
|
|
// TODO: Optimize
|
|
code.movdqa(tmp_a, a);
|
|
code.movdqa(tmp_b, b);
|
|
code.pmullw(a, b);
|
|
code.psrlw(tmp_a, 8);
|
|
code.psrlw(tmp_b, 8);
|
|
code.pmullw(tmp_a, tmp_b);
|
|
code.pand(a, code.MConst(xword, 0x00FF00FF00FF00FF, 0x00FF00FF00FF00FF));
|
|
code.psllw(tmp_a, 8);
|
|
code.por(a, tmp_a);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorMultiply16(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pmullw);
|
|
}
|
|
|
|
void EmitX64::EmitVectorMultiply32(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::pmulld);
|
|
return;
|
|
}
|
|
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm b = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
const Xbyak::Xmm tmp = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.movdqa(tmp, a);
|
|
code.psrlq(a, 32);
|
|
code.pmuludq(tmp, b);
|
|
code.psrlq(b, 32);
|
|
code.pmuludq(a, b);
|
|
code.pshufd(tmp, tmp, 0b00001000);
|
|
code.pshufd(b, a, 0b00001000);
|
|
code.punpckldq(tmp, b);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, tmp);
|
|
}
|
|
|
|
void EmitX64::EmitVectorMultiply64(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm b = ctx.reg_alloc.UseXmm(args[1]);
|
|
Xbyak::Reg64 tmp1 = ctx.reg_alloc.ScratchGpr();
|
|
Xbyak::Reg64 tmp2 = ctx.reg_alloc.ScratchGpr();
|
|
|
|
code.movq(tmp1, a);
|
|
code.movq(tmp2, b);
|
|
code.imul(tmp2, tmp1);
|
|
code.pextrq(tmp1, a, 1);
|
|
code.movq(a, tmp2);
|
|
code.pextrq(tmp2, b, 1);
|
|
code.imul(tmp1, tmp2);
|
|
code.pinsrq(a, tmp1, 1);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
return;
|
|
}
|
|
|
|
EmitTwoArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<u64, 2>& a, const std::array<u64, 2>& b) {
|
|
std::transform(a.begin(), a.end(), b.begin(), result.begin(), std::multiplies<>());
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorNarrow16(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm zeros = ctx.reg_alloc.ScratchXmm();
|
|
|
|
// TODO: AVX512F implementation
|
|
|
|
code.pxor(zeros, zeros);
|
|
code.pand(a, code.MConst(xword, 0x00FF00FF00FF00FF, 0x00FF00FF00FF00FF));
|
|
code.packuswb(a, zeros);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorNarrow32(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm zeros = ctx.reg_alloc.ScratchXmm();
|
|
|
|
// TODO: AVX512F implementation
|
|
|
|
code.pxor(zeros, zeros);
|
|
code.pand(a, code.MConst(xword, 0x0000FFFF0000FFFF, 0x0000FFFF0000FFFF));
|
|
code.packusdw(a, zeros);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorNarrow64(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm zeros = ctx.reg_alloc.ScratchXmm();
|
|
|
|
// TODO: AVX512F implementation
|
|
|
|
code.pxor(zeros, zeros);
|
|
code.shufps(a, zeros, 0b00001000);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorNot(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm xmm_b = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.pcmpeqw(xmm_b, xmm_b);
|
|
code.pxor(xmm_a, xmm_b);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, xmm_a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorOr(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::por);
|
|
}
|
|
|
|
void EmitX64::EmitVectorPairedAddLower8(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm xmm_b = ctx.reg_alloc.UseXmm(args[1]);
|
|
Xbyak::Xmm tmp = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.punpcklqdq(xmm_a, xmm_b);
|
|
code.movdqa(tmp, xmm_a);
|
|
code.psllw(xmm_a, 8);
|
|
code.paddw(xmm_a, tmp);
|
|
code.pxor(tmp, tmp);
|
|
code.psrlw(xmm_a, 8);
|
|
code.packuswb(xmm_a, tmp);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, xmm_a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorPairedAddLower16(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm xmm_b = ctx.reg_alloc.UseXmm(args[1]);
|
|
Xbyak::Xmm tmp = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.punpcklqdq(xmm_a, xmm_b);
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSSE3)) {
|
|
code.pxor(tmp, tmp);
|
|
code.phaddw(xmm_a, tmp);
|
|
} else {
|
|
code.movdqa(tmp, xmm_a);
|
|
code.pslld(xmm_a, 16);
|
|
code.paddd(xmm_a, tmp);
|
|
code.pxor(tmp, tmp);
|
|
code.psrad(xmm_a, 16);
|
|
code.packssdw(xmm_a, tmp); // Note: packusdw is SSE4.1, hence the arithmetic shift above.
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, xmm_a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorPairedAddLower32(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm xmm_a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm xmm_b = ctx.reg_alloc.UseXmm(args[1]);
|
|
Xbyak::Xmm tmp = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.punpcklqdq(xmm_a, xmm_b);
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSSE3)) {
|
|
code.pxor(tmp, tmp);
|
|
code.phaddd(xmm_a, tmp);
|
|
} else {
|
|
code.movdqa(tmp, xmm_a);
|
|
code.psllq(xmm_a, 32);
|
|
code.paddq(xmm_a, tmp);
|
|
code.psrlq(xmm_a, 32);
|
|
code.pshufd(xmm_a, xmm_a, 0b11011000);
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, xmm_a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorPairedAdd8(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm b = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
Xbyak::Xmm c = ctx.reg_alloc.ScratchXmm();
|
|
Xbyak::Xmm d = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.movdqa(c, a);
|
|
code.movdqa(d, b);
|
|
code.psllw(a, 8);
|
|
code.psllw(b, 8);
|
|
code.paddw(a, c);
|
|
code.paddw(b, d);
|
|
code.psrlw(a, 8);
|
|
code.psrlw(b, 8);
|
|
code.packuswb(a, b);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorPairedAdd16(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSSE3)) {
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm b = ctx.reg_alloc.UseXmm(args[1]);
|
|
|
|
code.phaddw(a, b);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
} else {
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm b = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
Xbyak::Xmm c = ctx.reg_alloc.ScratchXmm();
|
|
Xbyak::Xmm d = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.movdqa(c, a);
|
|
code.movdqa(d, b);
|
|
code.pslld(a, 16);
|
|
code.pslld(b, 16);
|
|
code.paddd(a, c);
|
|
code.paddd(b, d);
|
|
code.psrad(a, 16);
|
|
code.psrad(b, 16);
|
|
code.packssdw(a, b);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
}
|
|
|
|
void EmitX64::EmitVectorPairedAdd32(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSSE3)) {
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm b = ctx.reg_alloc.UseXmm(args[1]);
|
|
|
|
code.phaddd(a, b);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
} else {
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm b = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
Xbyak::Xmm c = ctx.reg_alloc.ScratchXmm();
|
|
Xbyak::Xmm d = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.movdqa(c, a);
|
|
code.movdqa(d, b);
|
|
code.psllq(a, 32);
|
|
code.psllq(b, 32);
|
|
code.paddq(a, c);
|
|
code.paddq(b, d);
|
|
code.shufps(a, b, 0b11011101);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
}
|
|
|
|
void EmitX64::EmitVectorPairedAdd64(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm b = ctx.reg_alloc.UseXmm(args[1]);
|
|
Xbyak::Xmm c = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.movdqa(c, a);
|
|
code.punpcklqdq(a, b);
|
|
code.punpckhqdq(c, b);
|
|
code.paddq(a, c);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorPopulationCount(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSSE3)) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
Xbyak::Xmm low_a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
Xbyak::Xmm high_a = ctx.reg_alloc.ScratchXmm();
|
|
Xbyak::Xmm tmp1 = ctx.reg_alloc.ScratchXmm();
|
|
Xbyak::Xmm tmp2 = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.movdqa(high_a, low_a);
|
|
code.psrlw(high_a, 4);
|
|
code.movdqa(tmp1, code.MConst(xword, 0x0F0F0F0F0F0F0F0F, 0x0F0F0F0F0F0F0F0F));
|
|
code.pand(high_a, tmp1); // High nibbles
|
|
code.pand(low_a, tmp1); // Low nibbles
|
|
|
|
code.movdqa(tmp1, code.MConst(xword, 0x0302020102010100, 0x0403030203020201));
|
|
code.movdqa(tmp2, tmp1);
|
|
code.pshufb(tmp1, low_a);
|
|
code.pshufb(tmp2, high_a);
|
|
|
|
code.paddb(tmp1, tmp2);
|
|
|
|
ctx.reg_alloc.DefineValue(inst, tmp1);
|
|
return;
|
|
}
|
|
|
|
EmitOneArgumentFallback(code, ctx, inst, [](std::array<u8, 16>& result, const std::array<u8, 16>& a){
|
|
std::transform(a.begin(), a.end(), result.begin(), [](u8 val) {
|
|
return static_cast<u8>(Common::BitCount(val));
|
|
});
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorReverseBits(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
const Xbyak::Xmm data = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm high_nibble_reg = ctx.reg_alloc.ScratchXmm();
|
|
|
|
code.movdqa(high_nibble_reg, code.MConst(xword, 0xF0F0F0F0F0F0F0F0, 0xF0F0F0F0F0F0F0F0));
|
|
code.pand(high_nibble_reg, data);
|
|
code.pxor(data, high_nibble_reg);
|
|
code.psrld(high_nibble_reg, 4);
|
|
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSSE3)) {
|
|
// High lookup
|
|
const Xbyak::Xmm high_reversed_reg = ctx.reg_alloc.ScratchXmm();
|
|
code.movdqa(high_reversed_reg, code.MConst(xword, 0xE060A020C0408000, 0xF070B030D0509010));
|
|
code.pshufb(high_reversed_reg, data);
|
|
|
|
// Low lookup (low nibble equivalent of the above)
|
|
code.movdqa(data, code.MConst(xword, 0x0E060A020C040800, 0x0F070B030D050901));
|
|
code.pshufb(data, high_nibble_reg);
|
|
code.por(data, high_reversed_reg);
|
|
} else {
|
|
code.pslld(data, 4);
|
|
code.por(data, high_nibble_reg);
|
|
|
|
code.movdqa(high_nibble_reg, code.MConst(xword, 0xCCCCCCCCCCCCCCCC, 0xCCCCCCCCCCCCCCCC));
|
|
code.pand(high_nibble_reg, data);
|
|
code.pxor(data, high_nibble_reg);
|
|
code.psrld(high_nibble_reg, 2);
|
|
code.pslld(data, 2);
|
|
code.por(data, high_nibble_reg);
|
|
|
|
code.movdqa(high_nibble_reg, code.MConst(xword, 0xAAAAAAAAAAAAAAAA, 0xAAAAAAAAAAAAAAAA));
|
|
code.pand(high_nibble_reg, data);
|
|
code.pxor(data, high_nibble_reg);
|
|
code.psrld(high_nibble_reg, 1);
|
|
code.paddd(data, data);
|
|
code.por(data, high_nibble_reg);
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, data);
|
|
}
|
|
|
|
enum class ShuffleType {
|
|
LowHalfwords,
|
|
HighHalfwords,
|
|
Words
|
|
};
|
|
|
|
static void VectorShuffleImpl(ShuffleType type, EmitContext& ctx, IR::Inst* inst, BlockOfCode& code) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
const Xbyak::Xmm operand = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
|
|
const u8 mask = args[1].GetImmediateU8();
|
|
|
|
if (type == ShuffleType::LowHalfwords) {
|
|
code.pshuflw(result, operand, mask);
|
|
} else if (type == ShuffleType::HighHalfwords) {
|
|
code.pshufhw(result, operand, mask);
|
|
} else {
|
|
code.pshufd(result, operand, mask);
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, result);
|
|
}
|
|
|
|
void EmitX64::EmitVectorShuffleHighHalfwords(EmitContext& ctx, IR::Inst* inst) {
|
|
VectorShuffleImpl(ShuffleType::HighHalfwords, ctx, inst, code);
|
|
}
|
|
|
|
void EmitX64::EmitVectorShuffleLowHalfwords(EmitContext& ctx, IR::Inst* inst) {
|
|
VectorShuffleImpl(ShuffleType::LowHalfwords, ctx, inst, code);
|
|
}
|
|
|
|
void EmitX64::EmitVectorShuffleWords(EmitContext& ctx, IR::Inst* inst) {
|
|
VectorShuffleImpl(ShuffleType::Words, ctx, inst, code);
|
|
}
|
|
|
|
void EmitX64::EmitVectorSignExtend8(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
code.pmovsxbw(a, a);
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
} else {
|
|
const Xbyak::Xmm a = ctx.reg_alloc.UseXmm(args[0]);
|
|
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
|
|
code.pxor(result, result);
|
|
code.punpcklbw(result, a);
|
|
code.psraw(result, 8);
|
|
ctx.reg_alloc.DefineValue(inst, result);
|
|
}
|
|
}
|
|
|
|
void EmitX64::EmitVectorSignExtend16(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
code.pmovsxwd(a, a);
|
|
} else {
|
|
const Xbyak::Xmm a = ctx.reg_alloc.UseXmm(args[0]);
|
|
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
|
|
code.pxor(result, result);
|
|
code.punpcklwd(result, a);
|
|
code.psrad(result, 16);
|
|
ctx.reg_alloc.DefineValue(inst, result);
|
|
}
|
|
}
|
|
|
|
void EmitX64::EmitVectorSignExtend32(EmitContext& ctx, IR::Inst* inst) {
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
code.pmovsxdq(a, a);
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
return;
|
|
}
|
|
|
|
EmitOneArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<u32, 4>& a){
|
|
for (size_t i = 0; i < result.size(); ++i) {
|
|
result[i] = Common::SignExtend<32, u64>(a[i]);
|
|
}
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorSignExtend64(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitOneArgumentFallback(code, ctx, inst, [](std::array<u64, 2>& result, const std::array<u64, 2>& a){
|
|
result[1] = (a[0] >> 63) ? ~u64(0) : 0;
|
|
result[0] = a[0];
|
|
});
|
|
}
|
|
|
|
void EmitX64::EmitVectorSub8(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::psubb);
|
|
}
|
|
|
|
void EmitX64::EmitVectorSub16(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::psubw);
|
|
}
|
|
|
|
void EmitX64::EmitVectorSub32(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::psubd);
|
|
}
|
|
|
|
void EmitX64::EmitVectorSub64(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorOperation(code, ctx, inst, &Xbyak::CodeGenerator::psubq);
|
|
}
|
|
|
|
static void EmitVectorUnsignedAbsoluteDifference(size_t esize, EmitContext& ctx, IR::Inst* inst, BlockOfCode& code) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
|
|
const Xbyak::Xmm temp = ctx.reg_alloc.ScratchXmm();
|
|
const Xbyak::Xmm x = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
const Xbyak::Xmm y = ctx.reg_alloc.UseScratchXmm(args[1]);
|
|
|
|
switch (esize) {
|
|
case 8:
|
|
code.movdqa(temp, x);
|
|
code.psubusb(temp, y);
|
|
code.psubusb(y, x);
|
|
code.por(temp, y);
|
|
break;
|
|
case 16:
|
|
code.movdqa(temp, x);
|
|
code.psubusw(temp, y);
|
|
code.psubusw(y, x);
|
|
code.por(temp, y);
|
|
break;
|
|
case 32:
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
code.movdqa(temp, x);
|
|
code.pminud(x, y);
|
|
code.pmaxud(temp, y);
|
|
code.psubd(temp, x);
|
|
} else {
|
|
code.movdqa(temp, code.MConst(xword, 0x8000000080000000, 0x8000000080000000));
|
|
code.pxor(x, temp);
|
|
code.pxor(y, temp);
|
|
code.movdqa(temp, x);
|
|
code.psubd(temp, y);
|
|
code.pcmpgtd(y, x);
|
|
code.psrld(y, 1);
|
|
code.pxor(temp, y);
|
|
code.psubd(temp, y);
|
|
}
|
|
break;
|
|
}
|
|
|
|
ctx.reg_alloc.DefineValue(inst, temp);
|
|
}
|
|
|
|
void EmitX64::EmitVectorUnsignedAbsoluteDifference8(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorUnsignedAbsoluteDifference(8, ctx, inst, code);
|
|
}
|
|
|
|
void EmitX64::EmitVectorUnsignedAbsoluteDifference16(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorUnsignedAbsoluteDifference(16, ctx, inst, code);
|
|
}
|
|
|
|
void EmitX64::EmitVectorUnsignedAbsoluteDifference32(EmitContext& ctx, IR::Inst* inst) {
|
|
EmitVectorUnsignedAbsoluteDifference(32, ctx, inst, code);
|
|
}
|
|
|
|
void EmitX64::EmitVectorZeroExtend8(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
|
|
const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
|
|
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
|
|
code.pmovzxbw(a, a);
|
|
} else {
|
|
const Xbyak::Xmm zeros = ctx.reg_alloc.ScratchXmm();
|
|
code.pxor(zeros, zeros);
|
|
code.punpcklbw(a, zeros);
|
|
}
|
|
ctx.reg_alloc.DefineValue(inst, a);
|
|
}
|
|
|
|
void EmitX64::EmitVectorZeroExtend16(EmitContext& ctx, IR::Inst* inst) {
|
|
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
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if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
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code.pmovzxwd(a, a);
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} else {
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const Xbyak::Xmm zeros = ctx.reg_alloc.ScratchXmm();
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code.pxor(zeros, zeros);
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code.punpcklwd(a, zeros);
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}
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ctx.reg_alloc.DefineValue(inst, a);
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}
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void EmitX64::EmitVectorZeroExtend32(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
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if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
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code.pmovzxdq(a, a);
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} else {
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const Xbyak::Xmm zeros = ctx.reg_alloc.ScratchXmm();
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code.pxor(zeros, zeros);
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code.punpckldq(a, zeros);
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}
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ctx.reg_alloc.DefineValue(inst, a);
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}
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void EmitX64::EmitVectorZeroExtend64(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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const Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
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const Xbyak::Xmm zeros = ctx.reg_alloc.ScratchXmm();
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code.pxor(zeros, zeros);
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code.punpcklqdq(a, zeros);
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ctx.reg_alloc.DefineValue(inst, a);
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}
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void EmitX64::EmitVectorZeroUpper(EmitContext& ctx, IR::Inst* inst) {
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auto args = ctx.reg_alloc.GetArgumentInfo(inst);
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Xbyak::Xmm a = ctx.reg_alloc.UseScratchXmm(args[0]);
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code.movq(a, a); // TODO: !IsLastUse
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ctx.reg_alloc.DefineValue(inst, a);
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}
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void EmitX64::EmitZeroVector(EmitContext& ctx, IR::Inst* inst) {
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Xbyak::Xmm a = ctx.reg_alloc.ScratchXmm();
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code.pxor(a, a);
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ctx.reg_alloc.DefineValue(inst, a);
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}
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} // namespace Dynarmic::BackendX64
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