DUMP_JIT always dump_code regardless of cpu

src/fp.cpp

@@ -3,15 +3,27 @@
 #include <cybozu/sha2.hpp>
 #include <cybozu/endian.hpp>
 #include <mcl/conversion.hpp>
+
+#if defined(MCL_STATIC_CODE) || defined(MCL_USE_XBYAK) || defined(MCL_USE_LLVM)
+
+#ifdef MCL_USE_XBYAK
+	#define XBYAK_DISABLE_AVX512
+#else
+	#define XBYAK_ONLY_CLASS_CPU
+#endif
+
+#include "xbyak/xbyak_util.h"
+Xbyak::util::Cpu g_cpu;
+
 #ifdef MCL_STATIC_CODE
 #include "fp_static_code.hpp"
 #endif
 #ifdef MCL_USE_XBYAK
 #include "fp_generator.hpp"
-#else
-#define XBYAK_ONLY_CLASS_CPU
-#include "xbyak/xbyak_util.h"
 #endif
+
+#endif
+
 #include "low_func.hpp"
 #ifdef MCL_USE_LLVM
 #include "proto.hpp"
@@ -303,8 +315,7 @@ void setOp(Op& op, Mode mode)
 	if (mode != fp::FP_GMP && mode != fp::FP_GMP_MONT) {
 #if MCL_LLVM_BMI2 == 1
 		const bool gmpIsFasterThanLLVM = false;//(N == 8 && MCL_SIZEOF_UNIT == 8);
-		Xbyak::util::Cpu cpu;
-		if (cpu.has(Xbyak::util::Cpu::tBMI2)) {
+		if (g_cpu.has(Xbyak::util::Cpu::tBMI2)) {
 			setOp2<N, LBMI2tag, (N * UnitBitSize <= 384), gmpIsFasterThanLLVM>(op);
 		} else
 #endif
@@ -368,9 +379,14 @@ static bool initForMont(Op& op, const Unit *p, Mode mode)
 	if (mode != FP_XBYAK) return true;
 #ifdef MCL_USE_XBYAK
 	if (op.fg == 0) op.fg = Op::createFpGenerator();
-	bool useXbyak = op.fg->init(op);
+	bool useXbyak = op.fg->init(op, g_cpu);
+#ifdef MCL_USE_VINT
+	const int maxN = 6;
+#else
+	const int maxN = 4;
+#endif
 
-	if (useXbyak && op.isMont && N <= 4) {
+	if (useXbyak && op.isMont && N <= maxN) {
 		op.fp_invOp = &invOpForMontC;
 		initInvTbl(op);
 	}
@@ -420,12 +436,11 @@ bool Op::init(const mpz_class& _p, size_t maxBitSize, int _xi_a, Mode mode, size
 	if (!isEnableJIT()) {
 		mode = FP_AUTO;
 	}
-#elif MCL_STATIC_CODE
+#elif defined(MCL_STATIC_CODE)
 	{
 		// static jit code uses avx, mulx, adox, adcx
 		using namespace Xbyak::util;
-		Cpu cpu;
-		if (!(cpu.has(Cpu::tAVX) && cpu.has(Cpu::tBMI2) && cpu.has(Cpu::tADX))) {
+		if (!(g_cpu.has(Cpu::tAVX) && g_cpu.has(Cpu::tBMI2) && g_cpu.has(Cpu::tADX))) {
 			mode = FP_AUTO;
 		}
 	}

src/fp_generator.hpp

@@ -7,8 +7,6 @@
 	http://opensource.org/licenses/BSD-3-Clause
 */
 #if CYBOZU_HOST == CYBOZU_HOST_INTEL
-#define XBYAK_DISABLE_AVX512
-#include "xbyak/xbyak_util.h"
 
 #if MCL_SIZEOF_UNIT == 8
 #include <stdio.h>
@@ -230,9 +228,6 @@ struct FpGenerator : Xbyak::CodeGenerator {
 		Ext2(const Ext2&);
 		void operator=(const Ext2&);
 	};
-	Xbyak::util::Cpu cpu_;
-	bool useMulx_;
-	bool  useAdx_;
 	const Reg64& gp0;
 	const Reg64& gp1;
 	const Reg64& gp2;
@@ -257,6 +252,8 @@ struct FpGenerator : Xbyak::CodeGenerator {
 	int pn_;
 	int FpByte_;
 	bool isFullBit_;
+	bool useMulx_;
+	bool useAdx_;
 #ifdef MCL_DUMP_JIT
 	DumpCode prof_;
 #else
@@ -297,12 +294,18 @@ struct FpGenerator : Xbyak::CodeGenerator {
 		, pn_(0)
 		, FpByte_(0)
 	{
-		useMulx_ = cpu_.has(Xbyak::util::Cpu::tBMI2);
-		useAdx_ = cpu_.has(Xbyak::util::Cpu::tADX);
 	}
-	bool init(Op& op)
+	bool init(Op& op, const Xbyak::util::Cpu& cpu)
 	{
-		if (!cpu_.has(Xbyak::util::Cpu::tAVX)) return false;
+#ifdef MCL_DUMP_JIT
+		useMulx_ = true;
+		useAdx_ = true;
+		(void)cpu;
+#else
+		if (!cpu.has(Xbyak::util::Cpu::tAVX)) return false;
+		useMulx_ = cpu.has(Xbyak::util::Cpu::tBMI2);
+		useAdx_ = cpu.has(Xbyak::util::Cpu::tADX);
+#endif
 		reset(); // reset jit code for reuse
 		setProtectModeRW(); // read/write memory
 		init_inner(op);

test/fp_generator_test.cpp

@@ -1,12 +1,10 @@
 #include <cybozu/test.hpp>
-#if MCL_SIZEOF_UNIT == 4
-// not support
-#else
 #include <mcl/gmp_util.hpp>
 #include <stdint.h>
 #include <string>
 #include <cybozu/itoa.hpp>
 #include <mcl/fp.hpp>
+#include "../src/xbyak/xbyak_util.h"
 #include "../src/fp_generator.hpp"
 #include <iostream>
 #include <cybozu/xorshift.hpp>
@@ -204,4 +202,3 @@ CYBOZU_TEST_AUTO(all)
 		test(primeTable[i]);
 	}
 }
-#endif