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41 lines
786 B
41 lines
786 B
// SPDX-License-Identifier: GPL-2.0 |
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#include <linux/types.h> |
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#include <linux/errno.h> |
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#include <linux/uaccess.h> |
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#include <asm/sfp-machine.h> |
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#include <math-emu/soft-fp.h> |
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#include <math-emu/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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FP_DECL_EX; |
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#ifdef DEBUG |
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printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); |
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#endif |
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FP_UNPACK_DP(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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