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#include <stdio.h>
#include <string.h>
#include <stddef.h>
#include <stdint.h>
// Build with `gcc -march=core2 -O2 test24.c -o test24`
uint64_t a = 0x12345678abcdefed;
uint32_t b = 0x12345678;
uint16_t c = 0x1234;
int main()
{
uint64_t ret1;
uint32_t ret2;
uint16_t ret3;
asm volatile(
"movbe %1, %0\n"
: "=r"(ret1)
: "m"(a)
: "memory");
printf("ret = 0x%lx\n", ret1);
asm volatile(
"movbe %1, %0\n"
: "=r"(ret2)
: "m"(b)
: "memory");
printf("ret = 0x%x\n", ret2);
asm volatile(
"movbe %1, %0\n"
: "=r"(ret3)
: "m"(c)
: "memory");
printf("ret = 0x%x\n", ret3);
asm volatile(
"movbe %1, %0\n"
: "=m"(ret1)
: "r"(a)
: "memory");
printf("ret = 0x%lx\n", ret1);
asm volatile(
"movbe %1, %0\n"
: "=m"(ret2)
: "r"(b)
: "memory");
printf("ret = 0x%x\n", ret2);
asm volatile(
"movbe %1, %0\n"
: "=m"(ret3)
: "r"(c)
: "memory");
printf("ret = 0x%x\n", ret3);
asm volatile(
"bswap %0\n"
: "+r"(ret1)
:
:);
printf("ret = 0x%lx\n", ret1);
asm volatile(
"bswap %0\n"
: "+r"(ret2)
:
:);
printf("ret = 0x%x\n", ret2);
return 0;
}
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