Incorrect shift result type on unsigned short first argument.

The code for shifts is now similar to code for binary arithmetic operations,
except that only the first argument is considered, as required by the ISO C
standard.
master
Vincent Lefevre 2012-07-06 14:22:37 +02:00
parent 09b98a42a3
commit d27a0b3548
1 changed files with 3 additions and 1 deletions

View File

@ -1679,7 +1679,9 @@ ST_FUNC void gen_op(int op)
tcc_error("invalid operands for binary operation");
goto std_op;
} else if (op == TOK_SHR || op == TOK_SAR || op == TOK_SHL) {
t = (bt1 == VT_LLONG ? VT_LLONG : VT_INT) | (t1 & VT_UNSIGNED);
t = bt1 == VT_LLONG ? VT_LLONG : VT_INT;
if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (t | VT_UNSIGNED))
t |= VT_UNSIGNED;
goto std_op;
} else if (bt1 == VT_LLONG || bt2 == VT_LLONG) {
/* cast to biggest op */