OSO/TinyCC
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Fixes for issues I've just found/introduced to x86 TCC.

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- Cast from pointer to long long makes TCC output an error. Use cast to int before we apply shift operation for a pointer value.
- Removed test cases for casts from pointer to char/short because they produce warning.
This commit is contained in:
Shinichiro Hamaji
2009-04-16 02:34:59 +09:00
committed by grischka
parent be43c8e0ed
commit 83fd36333a
2 changed files with 6 additions and 3 deletions
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5
tcc.c
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@ -6219,6 +6219,11 @@ static void gen_cast(CType *type)
vpushi(0); vpushi(0);
gv(RC_INT); gv(RC_INT);
} else { } else {
if (sbt == VT_PTR) {
/* cast from pointer to int before we apply
shift operation, which pointers don't support*/
gen_cast(&int_type);
}
gv_dup(); gv_dup();
vpushi(31); vpushi(31);
gen_op(TOK_SAR); gen_op(TOK_SAR);

4
tcctest.c
View File

@ -1154,9 +1154,7 @@ void cast_test()
printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a')); printf("sizeof(~(char)'a') = %d\n", sizeof(-(char)'a'));
/* from pointer to integer types */ /* from pointer to integer types */
printf("%d %d %d %d %d %d %ld %ld %lld %lld\n", printf("%d %d %ld %ld %lld %lld\n",
(char)p, (unsigned char)p,
(short)p, (unsigned short)p,
(int)p, (unsigned int)p, (int)p, (unsigned int)p,
(long)p, (unsigned long)p, (long)p, (unsigned long)p,
(long long)p, (unsigned long long)p); (long long)p, (unsigned long long)p);