15cd27208SKumar Gala #include <linux/types.h> 25cd27208SKumar Gala #include <linux/errno.h> 35cd27208SKumar Gala #include <asm/uaccess.h> 45cd27208SKumar Gala 55cd27208SKumar Gala #include "soft-fp.h" 65cd27208SKumar Gala #include "double.h" 75cd27208SKumar Gala 85cd27208SKumar Gala int 95cd27208SKumar Gala fadd(void *frD, void *frA, void *frB) 105cd27208SKumar Gala { 115cd27208SKumar Gala FP_DECL_D(A); 125cd27208SKumar Gala FP_DECL_D(B); 135cd27208SKumar Gala FP_DECL_D(R); 145cd27208SKumar Gala int ret = 0; 155cd27208SKumar Gala 165cd27208SKumar Gala #ifdef DEBUG 17e48b1b45SHarvey Harrison printk("%s: %p %p %p\n", __func__, frD, frA, frB); 185cd27208SKumar Gala #endif 195cd27208SKumar Gala 205cd27208SKumar Gala __FP_UNPACK_D(A, frA); 215cd27208SKumar Gala __FP_UNPACK_D(B, frB); 225cd27208SKumar Gala 235cd27208SKumar Gala #ifdef DEBUG 245cd27208SKumar Gala printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); 255cd27208SKumar Gala printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); 265cd27208SKumar Gala #endif 275cd27208SKumar Gala 285cd27208SKumar Gala if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF) 295cd27208SKumar Gala ret |= EFLAG_VXISI; 305cd27208SKumar Gala 315cd27208SKumar Gala FP_ADD_D(R, A, B); 325cd27208SKumar Gala 335cd27208SKumar Gala #ifdef DEBUG 345cd27208SKumar Gala printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); 355cd27208SKumar Gala #endif 365cd27208SKumar Gala 375cd27208SKumar Gala return (ret | __FP_PACK_D(frD, R)); 385cd27208SKumar Gala } 39