bitwise.c

来自「sdcc是为51等小型嵌入式cpu设计的c语言编译器支持数种不同类型的cpu」· C语言 代码 · 共 39 行

/** Test the bitwise operators.

    type: char, short, long
    attr: volatile,
    storage: static,
 */
#include <testfwk.h>

static void
testTwoOpBitwise(void)
{
    {storage} {attr} {type} left, right;

    left = ({type})0x3df7;
    right = ({type})0xc1ec;

    ASSERT(({type})(left & right) == ({type})0x1E4);
    ASSERT(({type})(right & left) == ({type})0x1E4);
    ASSERT(({type})(left & 0xc1ec) == ({type})0x1E4);
    ASSERT(({type})(0x3df7 & right) == ({type})0x1E4);

    ASSERT(({type})(left | right) == ({type})0xFDFF);
    ASSERT(({type})(right | left) == ({type})0xFDFF);
    ASSERT(({type})(left | 0xc1ec) == ({type})0xFDFF);
    ASSERT(({type})(0x3df7 | right) == ({type})0xFDFF);

    ASSERT(({type})(left ^ right) == ({type})0xFC1B);
    ASSERT(({type})(right ^ left) == ({type})0xFC1B);
    ASSERT(({type})(left ^ 0xc1ec) == ({type})0xFC1B);
    ASSERT(({type})(0x3df7 ^ right) == ({type})0xFC1B);

#if defined (__alpha__) || defined (__x86_64__)
    /* long is 64 bits on 64 bit machines */
    ASSERT(({type})(~left) == ({type})0xFFFFFFFFFFFFC208);
#else
    ASSERT(({type})(~left) == ({type})0xFFFFC208);
#endif
}