?? pr20314-1.c
字號(hào):
/* PR inline-asm/20314 *//* { dg-do compile { target i?86-*-* x86_64-*-* powerpc*-*-* ia64-*-* } } */intf1 (void){ int x = 4, y; __asm__ volatile ("" : "+r,r" (x), "=r,r" (y) : "%r,r" (x), "m,r" (8), "r,r" (2)); return x;}intf2 (void){ int x = 4, y; __asm__ volatile ("" : "=r,r" (x), "=r,r" (y) : "%0,0" (x), "m,r" (8), "r,r" (2)); return x;}intf3 (void){ int x = 4, y; __asm__ volatile ("" : "+r,r" (x), "=r,r" (y) : "%m,r" (8), "r,r" (2)); return x;}intf4 (void){ int x = 4, y; __asm__ volatile ("" : "+r" (x), "=r" (y) : "r" (x), "r" (8), "r" (2)); return x;}intf5 (void){ int x = 4, y; __asm__ volatile ("" : "=r" (x), "=r" (y) : "0" (x), "r" (8), "r" (2)); return x;}intf6 (void){ int x = 4, y; __asm__ volatile ("" : "+r" (x), "=r" (y) : "r" (8), "r" (2)); return x;}?? 快捷鍵說明
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