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 #include "single.h" 85cd27208SKumar Gala 95cd27208SKumar Gala int 105cd27208SKumar Gala fsubs(void *frD, void *frA, void *frB) 115cd27208SKumar Gala { 125cd27208SKumar Gala FP_DECL_D(A); 135cd27208SKumar Gala FP_DECL_D(B); 145cd27208SKumar Gala FP_DECL_D(R); 155cd27208SKumar Gala int ret = 0; 165cd27208SKumar Gala 175cd27208SKumar Gala #ifdef DEBUG 185cd27208SKumar Gala printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB); 195cd27208SKumar Gala #endif 205cd27208SKumar Gala 215cd27208SKumar Gala __FP_UNPACK_D(A, frA); 225cd27208SKumar Gala __FP_UNPACK_D(B, frB); 235cd27208SKumar Gala 245cd27208SKumar Gala #ifdef DEBUG 255cd27208SKumar Gala printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); 265cd27208SKumar Gala printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); 275cd27208SKumar Gala #endif 285cd27208SKumar Gala 295cd27208SKumar Gala if (B_c != FP_CLS_NAN) 305cd27208SKumar Gala B_s ^= 1; 315cd27208SKumar Gala 325cd27208SKumar Gala if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF) 335cd27208SKumar Gala ret |= EFLAG_VXISI; 345cd27208SKumar Gala 355cd27208SKumar Gala FP_ADD_D(R, A, B); 365cd27208SKumar Gala 375cd27208SKumar Gala #ifdef DEBUG 385cd27208SKumar Gala printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); 395cd27208SKumar Gala #endif 405cd27208SKumar Gala 415cd27208SKumar Gala return (ret | __FP_PACK_DS(frD, R)); 425cd27208SKumar Gala } 43