1// SPDX-License-Identifier: GPL-2.0
 2#include <linux/types.h>
 3#include <linux/errno.h>
 4#include <linux/uaccess.h>
 5
 6#include <asm/sfp-machine.h>
 7#include <math-emu/soft-fp.h>
 8#include <math-emu/double.h>
 9
10int
11fsel(u32 *frD, void *frA, u32 *frB, u32 *frC)
12{
13	FP_DECL_D(A);
14	FP_DECL_EX;
15
16#ifdef DEBUG
17	printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
18#endif
19
20	FP_UNPACK_DP(A, frA);
21
22#ifdef DEBUG
23	printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
24	printk("B: %08x %08x\n", frB[0], frB[1]);
25	printk("C: %08x %08x\n", frC[0], frC[1]);
26#endif
27
28	if (A_c == FP_CLS_NAN || (A_c != FP_CLS_ZERO && A_s)) {
29		frD[0] = frB[0];
30		frD[1] = frB[1];
31	} else {
32		frD[0] = frC[0];
33		frD[1] = frC[1];
34	}
35
36#ifdef DEBUG
37	printk("D: %08x.%08x\n", frD[0], frD[1]);
38#endif
39
40	return 0;
41}

 
 1#include <linux/types.h>
 2#include <linux/errno.h>
 3#include <asm/uaccess.h>
 4
 5#include <asm/sfp-machine.h>
 6#include <math-emu/soft-fp.h>
 7#include <math-emu/double.h>
 8
 9int
10fsel(u32 *frD, void *frA, u32 *frB, u32 *frC)
11{
12	FP_DECL_D(A);
13	FP_DECL_EX;
14
15#ifdef DEBUG
16	printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC);
17#endif
18
19	FP_UNPACK_DP(A, frA);
20
21#ifdef DEBUG
22	printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
23	printk("B: %08x %08x\n", frB[0], frB[1]);
24	printk("C: %08x %08x\n", frC[0], frC[1]);
25#endif
26
27	if (A_c == FP_CLS_NAN || (A_c != FP_CLS_ZERO && A_s)) {
28		frD[0] = frB[0];
29		frD[1] = frB[1];
30	} else {
31		frD[0] = frC[0];
32		frD[1] = frC[1];
33	}
34
35#ifdef DEBUG
36	printk("D: %08x.%08x\n", frD[0], frD[1]);
37#endif
38
39	return 0;
40}