Linux Kernel  3.7.1
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fadds.c
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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 #include <math-emu/single.h>
9 
10 int
11 fadds(void *frD, void *frA, void *frB)
12 {
13  FP_DECL_D(A);
14  FP_DECL_D(B);
15  FP_DECL_D(R);
16  FP_DECL_EX;
17 
18 #ifdef DEBUG
19  printk("%s: %p %p %p\n", __func__, frD, frA, frB);
20 #endif
21 
22  FP_UNPACK_DP(A, frA);
23  FP_UNPACK_DP(B, frB);
24 
25 #ifdef DEBUG
26  printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c);
27  printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c);
28 #endif
29 
30  FP_ADD_D(R, A, B);
31 
32 #ifdef DEBUG
33  printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c);
34 #endif
35 
36  __FP_PACK_DS(frD, R);
37 
38  return FP_CUR_EXCEPTIONS;
39 }