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Incorrect shift result type on unsigned short first argument.

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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.
This commit is contained in:
Vincent Lefevre
2012-07-06 14:22:37 +02:00
parent 09b98a42a3
commit d27a0b3548
1 changed files with 3 additions and 1 deletions
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4
tccgen.c
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@ -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 */