xref: /linux/arch/powerpc/math-emu/fneg.c (revision 48dea9a700c8728cc31a1dd44588b97578de86ee)
1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/types.h>
3 #include <linux/errno.h>
4 #include <linux/uaccess.h>
5 
6 int
7 fneg(u32 *frD, u32 *frB)
8 {
9 	frD[0] = frB[0] ^ 0x80000000;
10 	frD[1] = frB[1];
11 
12 #ifdef DEBUG
13 	printk("%s: D %p, B %p: ", __func__, frD, frB);
14 	dump_double(frD);
15 	printk("\n");
16 #endif
17 
18 	return 0;
19 }
20