15cd27208SKumar Gala #include <linux/types.h> 25cd27208SKumar Gala #include <linux/errno.h> 35cd27208SKumar Gala #include <asm/uaccess.h> 45cd27208SKumar Gala 5d2b194edSKumar Gala #include <asm/sfp-machine.h> 6d2b194edSKumar Gala #include <math-emu/soft-fp.h> 7d2b194edSKumar Gala #include <math-emu/double.h> 8d2b194edSKumar Gala #include <math-emu/single.h> 95cd27208SKumar Gala 105cd27208SKumar Gala int 115cd27208SKumar Gala fsubs(void *frD, void *frA, void *frB) 125cd27208SKumar Gala { 135cd27208SKumar Gala FP_DECL_D(A); 145cd27208SKumar Gala FP_DECL_D(B); 155cd27208SKumar Gala FP_DECL_D(R); 16d2b194edSKumar Gala FP_DECL_EX; 175cd27208SKumar Gala int ret = 0; 185cd27208SKumar Gala 195cd27208SKumar Gala #ifdef DEBUG 20e48b1b45SHarvey Harrison printk("%s: %p %p %p\n", __func__, frD, frA, frB); 215cd27208SKumar Gala #endif 225cd27208SKumar Gala 23d2b194edSKumar Gala FP_UNPACK_DP(A, frA); 24d2b194edSKumar Gala FP_UNPACK_DP(B, frB); 255cd27208SKumar Gala 265cd27208SKumar Gala #ifdef DEBUG 275cd27208SKumar Gala printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); 285cd27208SKumar Gala printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); 295cd27208SKumar Gala #endif 305cd27208SKumar Gala 315cd27208SKumar Gala if (B_c != FP_CLS_NAN) 325cd27208SKumar Gala B_s ^= 1; 335cd27208SKumar Gala 345cd27208SKumar Gala if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF) 355cd27208SKumar Gala ret |= EFLAG_VXISI; 365cd27208SKumar Gala 375cd27208SKumar Gala FP_ADD_D(R, A, B); 385cd27208SKumar Gala 395cd27208SKumar Gala #ifdef DEBUG 405cd27208SKumar Gala printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); 415cd27208SKumar Gala #endif 425cd27208SKumar Gala 43d2b194edSKumar Gala __FP_PACK_DS(frD, R); 44d2b194edSKumar Gala 45d2b194edSKumar Gala return FP_CUR_EXCEPTIONS; 465cd27208SKumar Gala } 47