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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_crc32.cpp
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@ -19,7 +19,7 @@ namespace CRC32 = Common::Crypto::CRC32;
static void EmitCRC32Castagnoli(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, const int data_size) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
if (code.DoesCpuSupport(Xbyak::util::Cpu::tSSE42)) {
if (code.HasSSE42()) {
const Xbyak::Reg32 crc = ctx.reg_alloc.UseScratchGpr(args[0]).cvt32();
const Xbyak::Reg value = ctx.reg_alloc.UseGpr(args[1]).changeBit(data_size);
code.crc32(crc, value);
@ -35,7 +35,7 @@ static void EmitCRC32Castagnoli(BlockOfCode& code, EmitContext& ctx, IR::Inst* i
static void EmitCRC32ISO(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, const int data_size) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
if (code.DoesCpuSupport(Xbyak::util::Cpu::tPCLMULQDQ) && data_size < 32) {
if (code.HasPCLMULQDQ() && data_size < 32) {
const Xbyak::Reg32 crc = ctx.reg_alloc.UseScratchGpr(args[0]).cvt32();
const Xbyak::Reg64 value = ctx.reg_alloc.UseScratchGpr(args[1]);
const Xbyak::Xmm xmm_value = ctx.reg_alloc.ScratchXmm();
@ -49,7 +49,7 @@ static void EmitCRC32ISO(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, co
code.movd(xmm_tmp, value.cvt32());
code.pslldq(xmm_tmp, (64 - data_size) / 8);
if (code.DoesCpuSupport(Xbyak::util::Cpu::tAVX)) {
if (code.HasAVX()) {
code.vpclmulqdq(xmm_value, xmm_tmp, xmm_const, 0x00);
code.pclmulqdq(xmm_value, xmm_const, 0x10);
code.pxor(xmm_value, xmm_tmp);
@ -66,7 +66,7 @@ static void EmitCRC32ISO(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, co
return;
}
if (code.DoesCpuSupport(Xbyak::util::Cpu::tPCLMULQDQ) && data_size == 32) {
if (code.HasPCLMULQDQ() && data_size == 32) {
const Xbyak::Reg32 crc = ctx.reg_alloc.UseScratchGpr(args[0]).cvt32();
const Xbyak::Reg32 value = ctx.reg_alloc.UseGpr(args[1]).cvt32();
const Xbyak::Xmm xmm_value = ctx.reg_alloc.ScratchXmm();
@ -87,7 +87,7 @@ static void EmitCRC32ISO(BlockOfCode& code, EmitContext& ctx, IR::Inst* inst, co
return;
}
if (code.DoesCpuSupport(Xbyak::util::Cpu::tPCLMULQDQ) && data_size == 64) {
if (code.HasPCLMULQDQ() && data_size == 64) {
const Xbyak::Reg32 crc = ctx.reg_alloc.UseScratchGpr(args[0]).cvt32();
const Xbyak::Reg64 value = ctx.reg_alloc.UseGpr(args[1]);
const Xbyak::Xmm xmm_value = ctx.reg_alloc.ScratchXmm();