Hi > You're using r0 explicitly in the asm but I don't see where you're > reserving it for your use. You need it either on the clobbers or bound > to a dummy output with earlyclobber. (snip) > __asm__ __volatile__ ( > "strncpy_start:\n\t" > "mov.b @%[src]+,%[r0_reg]\n\t" > "cmp/eq #0,%[r0_reg]\n\t" > "bt.s strncpy_pad\n\t" > "cmp/eq %[dest],%[dest_end]\n\t" > "bt.s strncpy_end\n\t" > "mov.b %[r0_reg],@%[dest]\n\t" > "bra strncpy_start\n\t" > "add #1,%[dest]\n\t" > "strncpy_pad:\n\t" > "bt.s strncpy_end\n\t" > "mov.b %[r0_reg],@%[dest]\n\t" > "add #1,%[dest]\n\t" > "bra strncpy_pad\n\t" > "cmp/eq %[dest],%[dest_end]\n\t" > "strncpy_end:\n\t" > : [src] "+r" (__src), [dest] "+r" (__dest), [r0_reg] "+&z" (r0_register) > : [dest_end] "r" (__dest_end) > : "t","memory" > ); Or, can we use general strncpy() instead of SH assemble one ? Thank you for your help !! Best regards --- Kuninori Morimoto
