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URL https://opencores.org/ocsvn/or1k_soc_on_altera_embedded_dev_kit/or1k_soc_on_altera_embedded_dev_kit/trunk

Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [arch/] [powerpc/] [math-emu/] [fsel.c] - Blame information for rev 3

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Line No. Rev Author Line
1 3 xianfeng
#include <linux/types.h>
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#include <linux/errno.h>
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#include <asm/uaccess.h>
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#include "soft-fp.h"
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#include "double.h"
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int
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fsel(u32 *frD, void *frA, u32 *frB, u32 *frC)
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{
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        FP_DECL_D(A);
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#ifdef DEBUG
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        printk("%s: %p %p %p %p\n", __FUNCTION__, frD, frA, frB, frC);
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#endif
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        __FP_UNPACK_D(A, frA);
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#ifdef DEBUG
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        printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
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        printk("B: %08x %08x\n", frB[0], frB[1]);
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        printk("C: %08x %08x\n", frC[0], frC[1]);
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#endif
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        if (A_c == FP_CLS_NAN || (A_c != FP_CLS_ZERO && A_s)) {
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                frD[0] = frB[0];
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                frD[1] = frB[1];
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        } else {
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                frD[0] = frC[0];
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                frD[1] = frC[1];
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        }
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#ifdef DEBUG
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        printk("D: %08x.%08x\n", frD[0], frD[1]);
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#endif
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        return 0;
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}

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