2  * fp-bench.c - A collection of simple floating point microbenchmarks.
7  *   See the COPYING file in the top-level directory.
178             uint64_t hi = r.high;  in update_random_ops()  local
181                 hi = xorshift64star(hi);  in update_random_ops()
183                 r = make_float128(hi, lo);  in update_random_ops()
230  * on the compiler to unfold this at compile-time.
256                     res.f = a - b;  in bench()
291                     res.d = a - b;  in bench()
421         ns_elapsed += get_clock() - t0;  in bench()
498 /* @arr must be NULL-terminated */
508     return -1;  in find_name()
518     fprintf(stderr, " -d = duration, in seconds. Default: %d\n",  in usage_complete()
520     fprintf(stderr, " -h = show this help message.\n");  in usage_complete()
521     fprintf(stderr, " -o = floating point operation (%s). Default: %s\n",  in usage_complete()
523     fprintf(stderr, " -p = floating point precision (single, double, quad[soft only]). "  in usage_complete()
525     fprintf(stderr, " -r = rounding mode (even, zero, down, up, tieaway). "  in usage_complete()
527     fprintf(stderr, " -t = tester (%s). Default: %s\n",  in usage_complete()
529     fprintf(stderr, " -z = flush inputs to zero (soft tester only). "  in usage_complete()
531     fprintf(stderr, " -Z = flush output to zero (soft tester only). "  in usage_complete()
547     return -1;  in round_name_to_mode()
666         case 'z':  in parse_args()
669         case 'Z':  in parse_args()