view tests/mini/assign.d @ 932:5e3bb0c3ea8b

Fixed dstress/run/a/array_initialization_17_A.d regression. default initialized static array elements in a constant static array initializer was getting incorrect values. Fixed minor version problem in mini/naked_asm4.d test case.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Tue, 03 Feb 2009 23:48:47 +0100
parents 1bb99290e03a
children
line wrap: on
line source

module assign;

// this is taken from std.intrinsic from gdc

int mybtc(uint *p, uint bitnum)
{
    uint * q = p + (bitnum / (uint.sizeof*8));
    uint mask = 1 << (bitnum & ((uint.sizeof*8) - 1));
    int result = *q & mask;
    *q ^= mask;
    return result ? -1 : 0;
}

void main()
{
    uint i = 0xFFFF_FFFF;
    int r = mybtc(&i, 31);
    assert(r);
    assert(i == 0x7FFF_FFFF);
    r = mybtc(&i, 31);
    assert(!r);
    assert(i == 0xFFFF_FFFF);
}