本文整理汇总了C++中Cpu::has方法的典型用法代码示例。如果您正苦于以下问题:C++ Cpu::has方法的具体用法?C++ Cpu::has怎么用?C++ Cpu::has使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Cpu
的用法示例。
在下文中一共展示了Cpu::has方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: putCPUinfo
void putCPUinfo()
{
using namespace Xbyak::util;
Cpu cpu;
printf("vendor %s\n", cpu.has(Cpu::tINTEL) ? "intel" : "amd");
static const struct {
Cpu::Type type;
const char *str;
} tbl[] = {
{ Cpu::tMMX, "mmx" },
{ Cpu::tMMX2, "mmx2" },
{ Cpu::tCMOV, "cmov" },
{ Cpu::tSSE, "sse" },
{ Cpu::tSSE2, "sse2" },
{ Cpu::tSSE3, "sse3" },
{ Cpu::tSSSE3, "ssse3" },
{ Cpu::tSSE41, "sse41" },
{ Cpu::tSSE42, "sse42" },
{ Cpu::tPOPCNT, "popcnt" },
{ Cpu::t3DN, "3dn" },
{ Cpu::tE3DN, "e3dn" },
{ Cpu::tSSE4a, "sse4a" },
{ Cpu::tSSE5, "sse5" },
{ Cpu::tAESNI, "aesni" },
{ Cpu::tRDTSCP, "rdtscp" },
{ Cpu::tOSXSAVE, "osxsave(xgetvb)" },
{ Cpu::tPCLMULQDQ, "pclmulqdq" },
{ Cpu::tAVX, "avx" },
{ Cpu::tFMA, "fma" },
};
for (size_t i = 0; i < NUM_OF_ARRAY(tbl); i++) {
if (cpu.has(tbl[i].type)) printf(" %s", tbl[i].str);
}
printf("\n");
if (cpu.has(Cpu::tPOPCNT)) {
const int n = 0x12345678; // bitcount = 13
const int ok = 13;
int r = ((int (*)())(PopCountTest(n).getCode()))();
if (r == ok) {
puts("popcnt ok");
} else {
printf("popcnt ng %d %d\n", r, ok);
}
}
}
示例2: putCPUinfo
void putCPUinfo()
{
using namespace Xbyak::util;
Cpu cpu;
printf("vendor %s\n", cpu.has(Cpu::tINTEL) ? "intel" : "amd");
static const struct {
Cpu::Type type;
const char *str;
} tbl[] = {
{ Cpu::tMMX, "mmx" },
{ Cpu::tMMX2, "mmx2" },
{ Cpu::tCMOV, "cmov" },
{ Cpu::tSSE, "sse" },
{ Cpu::tSSE2, "sse2" },
{ Cpu::tSSE3, "sse3" },
{ Cpu::tSSSE3, "ssse3" },
{ Cpu::tSSE41, "sse41" },
{ Cpu::tSSE42, "sse42" },
{ Cpu::tPOPCNT, "popcnt" },
{ Cpu::t3DN, "3dn" },
{ Cpu::tE3DN, "e3dn" },
{ Cpu::tSSE4a, "sse4a" },
{ Cpu::tSSE5, "sse5" },
{ Cpu::tAESNI, "aesni" },
{ Cpu::tRDTSCP, "rdtscp" },
{ Cpu::tOSXSAVE, "osxsave(xgetvb)" },
{ Cpu::tPCLMULQDQ, "pclmulqdq" },
{ Cpu::tAVX, "avx" },
{ Cpu::tFMA, "fma" },
{ Cpu::tAVX2, "avx2" },
{ Cpu::tBMI1, "bmi1" },
{ Cpu::tBMI2, "bmi2" },
{ Cpu::tLZCNT, "lzcnt" },
{ Cpu::tENHANCED_REP, "enh_rep" },
};
for (size_t i = 0; i < NUM_OF_ARRAY(tbl); i++) {
if (cpu.has(tbl[i].type)) printf(" %s", tbl[i].str);
}
printf("\n");
if (cpu.has(Cpu::tPOPCNT)) {
const int n = 0x12345678; // bitcount = 13
const int ok = 13;
int r = PopCountTest(n).getCode<int (*)()>()();
if (r == ok) {
puts("popcnt ok");
} else {
printf("popcnt ng %d %d\n", r, ok);
}
}
/*
displayFamily displayModel
Opteron 2376 10 4
Core2 Duo T7100 6 F
Core i3-2120T 6 2A
Core i7-2600 6 2A
Xeon X5650 6 2C
Core i7-3517 6 3A
Core i7-3930K 6 2D
*/
cpu.putFamily();
}