18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci#include <linux/types.h> 38c2ecf20Sopenharmony_ci#include <linux/errno.h> 48c2ecf20Sopenharmony_ci#include <linux/uaccess.h> 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci#include <asm/sfp-machine.h> 78c2ecf20Sopenharmony_ci#include <math-emu/soft-fp.h> 88c2ecf20Sopenharmony_ci#include <math-emu/double.h> 98c2ecf20Sopenharmony_ci 108c2ecf20Sopenharmony_ciint 118c2ecf20Sopenharmony_cifsel(u32 *frD, void *frA, u32 *frB, u32 *frC) 128c2ecf20Sopenharmony_ci{ 138c2ecf20Sopenharmony_ci FP_DECL_D(A); 148c2ecf20Sopenharmony_ci FP_DECL_EX; 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci#ifdef DEBUG 178c2ecf20Sopenharmony_ci printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); 188c2ecf20Sopenharmony_ci#endif 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ci FP_UNPACK_DP(A, frA); 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ci#ifdef DEBUG 238c2ecf20Sopenharmony_ci printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); 248c2ecf20Sopenharmony_ci printk("B: %08x %08x\n", frB[0], frB[1]); 258c2ecf20Sopenharmony_ci printk("C: %08x %08x\n", frC[0], frC[1]); 268c2ecf20Sopenharmony_ci#endif 278c2ecf20Sopenharmony_ci 288c2ecf20Sopenharmony_ci if (A_c == FP_CLS_NAN || (A_c != FP_CLS_ZERO && A_s)) { 298c2ecf20Sopenharmony_ci frD[0] = frB[0]; 308c2ecf20Sopenharmony_ci frD[1] = frB[1]; 318c2ecf20Sopenharmony_ci } else { 328c2ecf20Sopenharmony_ci frD[0] = frC[0]; 338c2ecf20Sopenharmony_ci frD[1] = frC[1]; 348c2ecf20Sopenharmony_ci } 358c2ecf20Sopenharmony_ci 368c2ecf20Sopenharmony_ci#ifdef DEBUG 378c2ecf20Sopenharmony_ci printk("D: %08x.%08x\n", frD[0], frD[1]); 388c2ecf20Sopenharmony_ci#endif 398c2ecf20Sopenharmony_ci 408c2ecf20Sopenharmony_ci return 0; 418c2ecf20Sopenharmony_ci} 42