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 fmadd(void *frD, void *frA, void *frB, void *frC) 105cd27208SKumar Gala { 115cd27208SKumar Gala FP_DECL_D(R); 125cd27208SKumar Gala FP_DECL_D(A); 135cd27208SKumar Gala FP_DECL_D(B); 145cd27208SKumar Gala FP_DECL_D(C); 155cd27208SKumar Gala FP_DECL_D(T); 165cd27208SKumar Gala int ret = 0; 175cd27208SKumar Gala 185cd27208SKumar Gala #ifdef DEBUG 19e48b1b45SHarvey Harrison printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); 205cd27208SKumar Gala #endif 215cd27208SKumar Gala 225cd27208SKumar Gala __FP_UNPACK_D(A, frA); 235cd27208SKumar Gala __FP_UNPACK_D(B, frB); 245cd27208SKumar Gala __FP_UNPACK_D(C, frC); 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 printk("C: %ld %lu %lu %ld (%ld)\n", C_s, C_f1, C_f0, C_e, C_c); 305cd27208SKumar Gala #endif 315cd27208SKumar Gala 325cd27208SKumar Gala if ((A_c == FP_CLS_INF && C_c == FP_CLS_ZERO) || 335cd27208SKumar Gala (A_c == FP_CLS_ZERO && C_c == FP_CLS_INF)) 345cd27208SKumar Gala ret |= EFLAG_VXIMZ; 355cd27208SKumar Gala 365cd27208SKumar Gala FP_MUL_D(T, A, C); 375cd27208SKumar Gala 385cd27208SKumar Gala if (T_s != B_s && T_c == FP_CLS_INF && B_c == FP_CLS_INF) 395cd27208SKumar Gala ret |= EFLAG_VXISI; 405cd27208SKumar Gala 415cd27208SKumar Gala FP_ADD_D(R, T, B); 425cd27208SKumar Gala 435cd27208SKumar Gala #ifdef DEBUG 445cd27208SKumar Gala printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); 455cd27208SKumar Gala #endif 465cd27208SKumar Gala 475cd27208SKumar Gala return (ret | __FP_PACK_D(frD, R)); 485cd27208SKumar Gala } 49