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block_of_code: Encapsulate CPU feature detection code

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This commit is contained in:
MerryMage 2020-06-09 21:25:57 +01:00
parent feddf69cb4
commit f495018f53
14 changed files with 259 additions and 184 deletions
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10
src/backend/x64/emit_x64_data_processing.cpp
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@ -36,7 +36,7 @@ void EmitX64::EmitPack2x64To1x128(EmitContext& ctx, IR::Inst* inst) {
const Xbyak::Reg64 hi = ctx.reg_alloc.UseGpr(args[1]);
const Xbyak::Xmm result = ctx.reg_alloc.ScratchXmm();
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE41)) {
if (code.HasSSE41()) {
code.movq(result, lo);
code.pinsrq(result, hi, 1);
} else {
@ -791,7 +791,7 @@ static void EmitMaskedShift32(BlockOfCode& code, EmitContext& ctx, IR::Inst* ins
}
if constexpr (!std::is_same_v<BMI2FT, std::nullptr_t>) {
if (code.DoesCpuSupport(Xbyak::util::Cpu::tBMI2)) {
if (code.HasBMI2()) {
const Xbyak::Reg32 result = ctx.reg_alloc.ScratchGpr().cvt32();
const Xbyak::Reg32 operand = ctx.reg_alloc.UseGpr(operand_arg).cvt32();
const Xbyak::Reg32 shift = ctx.reg_alloc.UseGpr(shift_arg).cvt32();
@ -828,7 +828,7 @@ static void EmitMaskedShift64(BlockOfCode& code, EmitContext& ctx, IR::Inst* ins
}
if constexpr (!std::is_same_v<BMI2FT, std::nullptr_t>) {
if (code.DoesCpuSupport(Xbyak::util::Cpu::tBMI2)) {
if (code.HasBMI2()) {
const Xbyak::Reg64 result = ctx.reg_alloc.ScratchGpr();
const Xbyak::Reg64 operand = ctx.reg_alloc.UseGpr(operand_arg);
const Xbyak::Reg64 shift = ctx.reg_alloc.UseGpr(shift_arg);
@ -1424,7 +1424,7 @@ void EmitX64::EmitByteReverseDual(EmitContext& ctx, IR::Inst* inst) {
void EmitX64::EmitCountLeadingZeros32(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
if (code.DoesCpuSupport(Xbyak::util::Cpu::tLZCNT)) {
if (code.HasLZCNT()) {
const Xbyak::Reg32 source = ctx.reg_alloc.UseGpr(args[0]).cvt32();
const Xbyak::Reg32 result = ctx.reg_alloc.ScratchGpr().cvt32();
@ -1448,7 +1448,7 @@ void EmitX64::EmitCountLeadingZeros32(EmitContext& ctx, IR::Inst* inst) {
void EmitX64::EmitCountLeadingZeros64(EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
if (code.DoesCpuSupport(Xbyak::util::Cpu::tLZCNT)) {
if (code.HasLZCNT()) {
const Xbyak::Reg64 source = ctx.reg_alloc.UseGpr(args[0]).cvt64();
const Xbyak::Reg64 result = ctx.reg_alloc.ScratchGpr().cvt64();