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git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/blob - arch/powerpc/math-emu/fnmsubs.c
4e1f6c2b7c402a4f748ea20758f71d80319d3655
1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/types.h>
3 #include <linux/errno.h>
4 #include <linux/uaccess.h>
6 #include <asm/sfp-machine.h>
7 #include <math-emu/soft-fp.h>
8 #include <math-emu/double.h>
9 #include <math-emu/single.h>
12 fnmsubs(void *frD
, void *frA
, void *frB
, void *frC
)
22 printk("%s: %p %p %p %p\n", __func__
, frD
, frA
, frB
, frC
);
30 printk("A: %ld %lu %lu %ld (%ld)\n", A_s
, A_f1
, A_f0
, A_e
, A_c
);
31 printk("B: %ld %lu %lu %ld (%ld)\n", B_s
, B_f1
, B_f0
, B_e
, B_c
);
32 printk("C: %ld %lu %lu %ld (%ld)\n", C_s
, C_f1
, C_f0
, C_e
, C_c
);
35 if ((A_c
== FP_CLS_INF
&& C_c
== FP_CLS_ZERO
) ||
36 (A_c
== FP_CLS_ZERO
&& C_c
== FP_CLS_INF
))
37 FP_SET_EXCEPTION(EFLAG_VXIMZ
);
41 if (B_c
!= FP_CLS_NAN
)
44 if (T_s
!= B_s
&& T_c
== FP_CLS_INF
&& B_c
== FP_CLS_INF
)
45 FP_SET_EXCEPTION(EFLAG_VXISI
);
49 if (R_c
!= FP_CLS_NAN
)
53 printk("D: %ld %lu %lu %ld (%ld)\n", R_s
, R_f1
, R_f0
, R_e
, R_c
);
58 return FP_CUR_EXCEPTIONS
;