fctiwz.c

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#include <linux/types.h>
#include <linux/errno.h>
#include <asm/uaccess.h>

#include <asm/sfp-machine.h>
#include <math-emu/soft-fp.h>
#include <math-emu/double.h>

int
fctiwz(u32 *frD, void *frB)
{
    FP_DECL_D(B);
    FP_DECL_EX;
    u32 fpscr;
    unsigned int r;

    fpscr = __FPU_FPSCR;
    __FPU_FPSCR &= ~(3);
    __FPU_FPSCR |= FP_RND_ZERO;

    FP_UNPACK_DP(B, frB);
    FP_TO_INT_D(r, B, 32, 1);
    frD[1] = r;

    __FPU_FPSCR = fpscr;

#ifdef DEBUG
    printk("%s: D %p, B %p: ", __func__, frD, frB);
    dump_double(frD);
    printk("\n");
#endif

    return 0;
}