Re: [Tinycc-devel] tcc 0.9.21: wrong code generated for casts

[Zhonglin Zhang]

Hi, how should i use 'arm-lcc' ?

Here are the wrong results !

#arm-tcc t1.c -o t3
/usr/lib/crt1.o: invalid object file
/usr/lib/crti.o: invalid object file
/lib/libc.so.6: bad architecture
/usr/lib/crtn.o: invalid object file
tcc: undefined symbol 'printf'


在2004年10月28日的21:05，Bruno Haible写道：
> /* Hi, this file exposes bugs in tcc-0.9.21. It prints 0 0 0 0 while the
>    correct result is 1 1 1 1. */
> 
> #include <stdbool.h>
> #include <stdio.h>
> 
> bool uint_char (char *p) {
>   return (char)(unsigned int)*p == *p;
> }
> 
> bool ulong_char (char *p) {
>   return (char)(unsigned long)*p == *p;
> }
> 
> bool uint_short (short *p) {
>   return (short)(unsigned int)*p == *p;
> }
> 
> bool ulong_short (short *p) {
>   return (short)(unsigned long)*p == *p;
> }
> 
> int main ()
> {
>   char x = -3;
>   short y = -5;
> 
>   printf ("%d %d %d %d\n",
>           uint_char (&x), ulong_char (&x), uint_short (&y), ulong_short (&y));
>   return 0;
> }
> 
> 
> 
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