mirror of
https://github.com/ptitSeb/box86.git
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53 lines
954 B
C
53 lines
954 B
C
#include <stdio.h>
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#include <string.h>
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#include <stddef.h>
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#include <stdint.h>
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// Build with `gcc -march=core2 -O2 -m32 test23.c -o test23`
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uint64_t a = 0x12345678abcdefed;
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uint32_t b = 0x12345678;
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uint16_t c = 0x1234;
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int main()
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{
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uint32_t ret2;
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uint16_t ret3;
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asm volatile(
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"movbe %1, %0\n"
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: "=r"(ret2)
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: "m"(b)
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: "memory");
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printf("ret = 0x%x\n", ret2);
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asm volatile(
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"movbe %1, %0\n"
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: "=r"(ret3)
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: "m"(c)
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: "memory");
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printf("ret = 0x%x\n", ret3);
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asm volatile(
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"movbe %1, %0\n"
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: "=m"(ret2)
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: "r"(b)
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: "memory");
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printf("ret = 0x%x\n", ret2);
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asm volatile(
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"movbe %1, %0\n"
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: "=m"(ret3)
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: "r"(c)
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: "memory");
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printf("ret = 0x%x\n", ret3);
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asm volatile(
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"bswap %0\n"
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: "+r"(ret2)
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:
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:);
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printf("ret = 0x%x\n", ret2);
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return 0;
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}
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