diff options
Diffstat (limited to 'tests/fp/fp-test.c')
| -rw-r--r-- | tests/fp/fp-test.c | 992 |
1 files changed, 992 insertions, 0 deletions
diff --git a/tests/fp/fp-test.c b/tests/fp/fp-test.c new file mode 100644 index 0000000..fca5763 --- /dev/null +++ b/tests/fp/fp-test.c @@ -0,0 +1,992 @@ +/* + * fp-test.c - test QEMU's softfloat implementation using Berkeley's Testfloat + * + * Copyright (C) 2018, Emilio G. Cota <cota@braap.org> + * + * License: GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + * This file is derived from testfloat/source/testsoftfloat.c. Its copyright + * info follows: + * + * Copyright 2011, 2012, 2013, 2014, 2015, 2016, 2017 The Regents of the + * University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions, and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions, and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the University nor the names of its contributors may + * be used to endorse or promote products derived from this software without + * specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS", AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE + * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef HW_POISON_H +#error Must define HW_POISON_H to work around TARGET_* poisoning +#endif + +#include "qemu/osdep.h" +#include "qemu/cutils.h" +#include <math.h> +#include "fpu/softfloat.h" +#include "platform.h" + +#include "fail.h" +#include "slowfloat.h" +#include "functions.h" +#include "genCases.h" +#include "verCases.h" +#include "writeCase.h" +#include "testLoops.h" + +typedef float16_t (*abz_f16)(float16_t, float16_t); +typedef bool (*ab_f16_z_bool)(float16_t, float16_t); +typedef float32_t (*abz_f32)(float32_t, float32_t); +typedef bool (*ab_f32_z_bool)(float32_t, float32_t); +typedef float64_t (*abz_f64)(float64_t, float64_t); +typedef bool (*ab_f64_z_bool)(float64_t, float64_t); +typedef void (*abz_extF80M)(const extFloat80_t *, const extFloat80_t *, + extFloat80_t *); +typedef bool (*ab_extF80M_z_bool)(const extFloat80_t *, const extFloat80_t *); +typedef void (*abz_f128M)(const float128_t *, const float128_t *, float128_t *); +typedef bool (*ab_f128M_z_bool)(const float128_t *, const float128_t *); + +static const char * const round_mode_names[] = { + [ROUND_NEAR_EVEN] = "even", + [ROUND_MINMAG] = "zero", + [ROUND_MIN] = "down", + [ROUND_MAX] = "up", + [ROUND_NEAR_MAXMAG] = "tieaway", + [ROUND_ODD] = "odd", +}; +static unsigned int *test_ops; +static unsigned int n_test_ops; +static unsigned int n_max_errors = 20; +static unsigned int test_round_mode = ROUND_NEAR_EVEN; +static unsigned int *round_modes; +static unsigned int n_round_modes; +static int test_level = 1; +static uint8_t slow_init_flags; +static uint8_t qemu_init_flags; + +/* qemu softfloat status */ +static float_status qsf; + +static const char commands_string[] = + "operations:\n" + " <int>_to_<float> <float>_add <float>_eq\n" + " <float>_to_<int> <float>_sub <float>_le\n" + " <float>_to_<int>_r_minMag <float>_mul <float>_lt\n" + " <float>_to_<float> <float>_mulAdd <float>_eq_signaling\n" + " <float>_roundToInt <float>_div <float>_le_quiet\n" + " <float>_rem <float>_lt_quiet\n" + " <float>_sqrt\n" + " Where <int>: ui32, ui64, i32, i64\n" + " <float>: f16, f32, f64, extF80, f128\n" + " If no operation is provided, all the above are tested\n" + "options:\n" + " -e = max error count per test. Default: 20. Set no limit with 0\n" + " -f = initial FP exception flags (vioux). Default: none\n" + " -l = thoroughness level (1 (default), 2)\n" + " -r = rounding mode (even (default), zero, down, up, tieaway, odd)\n" + " Set to 'all' to test all rounding modes, if applicable\n" + " -s = stop when a test fails"; + +static void usage_complete(int argc, char *argv[]) +{ + fprintf(stderr, "Usage: %s [options] [operation1 ...]\n", argv[0]); + fprintf(stderr, "%s\n", commands_string); + exit(EXIT_FAILURE); +} + +/* keep wrappers separate but do not bother defining headers for all of them */ +#include "wrap.inc.c" + +static void not_implemented(void) +{ + fprintf(stderr, "Not implemented.\n"); +} + +static bool blacklisted(unsigned op, int rmode) +{ + /* odd has only been implemented for a few 128-bit ops */ + if (rmode == softfloat_round_odd) { + switch (op) { + case F128_ADD: + case F128_SUB: + case F128_MUL: + case F128_DIV: + case F128_TO_F64: + case F128_SQRT: + return false; + default: + return true; + } + } + return false; +} + +static void do_testfloat(int op, int rmode, bool exact) +{ + abz_f16 true_abz_f16; + abz_f16 subj_abz_f16; + ab_f16_z_bool true_f16_z_bool; + ab_f16_z_bool subj_f16_z_bool; + abz_f32 true_abz_f32; + abz_f32 subj_abz_f32; + ab_f32_z_bool true_ab_f32_z_bool; + ab_f32_z_bool subj_ab_f32_z_bool; + abz_f64 true_abz_f64; + abz_f64 subj_abz_f64; + ab_f64_z_bool true_ab_f64_z_bool; + ab_f64_z_bool subj_ab_f64_z_bool; + abz_extF80M true_abz_extF80M; + abz_extF80M subj_abz_extF80M; + ab_extF80M_z_bool true_ab_extF80M_z_bool; + ab_extF80M_z_bool subj_ab_extF80M_z_bool; + abz_f128M true_abz_f128M; + abz_f128M subj_abz_f128M; + ab_f128M_z_bool true_ab_f128M_z_bool; + ab_f128M_z_bool subj_ab_f128M_z_bool; + + fputs(">> Testing ", stderr); + verCases_writeFunctionName(stderr); + fputs("\n", stderr); + + if (blacklisted(op, rmode)) { + not_implemented(); + return; + } + + switch (op) { + case UI32_TO_F16: + test_a_ui32_z_f16(slow_ui32_to_f16, qemu_ui32_to_f16); + break; + case UI32_TO_F32: + test_a_ui32_z_f32(slow_ui32_to_f32, qemu_ui32_to_f32); + break; + case UI32_TO_F64: + test_a_ui32_z_f64(slow_ui32_to_f64, qemu_ui32_to_f64); + break; + case UI32_TO_EXTF80: + not_implemented(); + break; + case UI32_TO_F128: + not_implemented(); + break; + case UI64_TO_F16: + test_a_ui64_z_f16(slow_ui64_to_f16, qemu_ui64_to_f16); + break; + case UI64_TO_F32: + test_a_ui64_z_f32(slow_ui64_to_f32, qemu_ui64_to_f32); + break; + case UI64_TO_F64: + test_a_ui64_z_f64(slow_ui64_to_f64, qemu_ui64_to_f64); + break; + case UI64_TO_EXTF80: + not_implemented(); + break; + case UI64_TO_F128: + test_a_ui64_z_f128(slow_ui64_to_f128M, qemu_ui64_to_f128M); + break; + case I32_TO_F16: + test_a_i32_z_f16(slow_i32_to_f16, qemu_i32_to_f16); + break; + case I32_TO_F32: + test_a_i32_z_f32(slow_i32_to_f32, qemu_i32_to_f32); + break; + case I32_TO_F64: + test_a_i32_z_f64(slow_i32_to_f64, qemu_i32_to_f64); + break; + case I32_TO_EXTF80: + test_a_i32_z_extF80(slow_i32_to_extF80M, qemu_i32_to_extF80M); + break; + case I32_TO_F128: + test_a_i32_z_f128(slow_i32_to_f128M, qemu_i32_to_f128M); + break; + case I64_TO_F16: + test_a_i64_z_f16(slow_i64_to_f16, qemu_i64_to_f16); + break; + case I64_TO_F32: + test_a_i64_z_f32(slow_i64_to_f32, qemu_i64_to_f32); + break; + case I64_TO_F64: + test_a_i64_z_f64(slow_i64_to_f64, qemu_i64_to_f64); + break; + case I64_TO_EXTF80: + test_a_i64_z_extF80(slow_i64_to_extF80M, qemu_i64_to_extF80M); + break; + case I64_TO_F128: + test_a_i64_z_f128(slow_i64_to_f128M, qemu_i64_to_f128M); + break; + case F16_TO_UI32: + test_a_f16_z_ui32_rx(slow_f16_to_ui32, qemu_f16_to_ui32, rmode, exact); + break; + case F16_TO_UI64: + test_a_f16_z_ui64_rx(slow_f16_to_ui64, qemu_f16_to_ui64, rmode, exact); + break; + case F16_TO_I32: + test_a_f16_z_i32_rx(slow_f16_to_i32, qemu_f16_to_i32, rmode, exact); + break; + case F16_TO_I64: + test_a_f16_z_i64_rx(slow_f16_to_i64, qemu_f16_to_i64, rmode, exact); + break; + case F16_TO_UI32_R_MINMAG: + test_a_f16_z_ui32_x(slow_f16_to_ui32_r_minMag, + qemu_f16_to_ui32_r_minMag, exact); + break; + case F16_TO_UI64_R_MINMAG: + test_a_f16_z_ui64_x(slow_f16_to_ui64_r_minMag, + qemu_f16_to_ui64_r_minMag, exact); + break; + case F16_TO_I32_R_MINMAG: + test_a_f16_z_i32_x(slow_f16_to_i32_r_minMag, qemu_f16_to_i32_r_minMag, + exact); + break; + case F16_TO_I64_R_MINMAG: + test_a_f16_z_i64_x(slow_f16_to_i64_r_minMag, qemu_f16_to_i64_r_minMag, + exact); + break; + case F16_TO_F32: + test_a_f16_z_f32(slow_f16_to_f32, qemu_f16_to_f32); + break; + case F16_TO_F64: + test_a_f16_z_f64(slow_f16_to_f64, qemu_f16_to_f64); + break; + case F16_TO_EXTF80: + not_implemented(); + break; + case F16_TO_F128: + not_implemented(); + break; + case F16_ROUNDTOINT: + test_az_f16_rx(slow_f16_roundToInt, qemu_f16_roundToInt, rmode, exact); + break; + case F16_ADD: + true_abz_f16 = slow_f16_add; + subj_abz_f16 = qemu_f16_add; + goto test_abz_f16; + case F16_SUB: + true_abz_f16 = slow_f16_sub; + subj_abz_f16 = qemu_f16_sub; + goto test_abz_f16; + case F16_MUL: + true_abz_f16 = slow_f16_mul; + subj_abz_f16 = qemu_f16_mul; + goto test_abz_f16; + case F16_DIV: + true_abz_f16 = slow_f16_div; + subj_abz_f16 = qemu_f16_div; + goto test_abz_f16; + case F16_REM: + not_implemented(); + break; + test_abz_f16: + test_abz_f16(true_abz_f16, subj_abz_f16); + break; + case F16_MULADD: + test_abcz_f16(slow_f16_mulAdd, qemu_f16_mulAdd); + break; + case F16_SQRT: + test_az_f16(slow_f16_sqrt, qemu_f16_sqrt); + break; + case F16_EQ: + true_f16_z_bool = slow_f16_eq; + subj_f16_z_bool = qemu_f16_eq; + goto test_ab_f16_z_bool; + case F16_LE: + true_f16_z_bool = slow_f16_le; + subj_f16_z_bool = qemu_f16_le; + goto test_ab_f16_z_bool; + case F16_LT: + true_f16_z_bool = slow_f16_lt; + subj_f16_z_bool = qemu_f16_lt; + goto test_ab_f16_z_bool; + case F16_EQ_SIGNALING: + true_f16_z_bool = slow_f16_eq_signaling; + subj_f16_z_bool = qemu_f16_eq_signaling; + goto test_ab_f16_z_bool; + case F16_LE_QUIET: + true_f16_z_bool = slow_f16_le_quiet; + subj_f16_z_bool = qemu_f16_le_quiet; + goto test_ab_f16_z_bool; + case F16_LT_QUIET: + true_f16_z_bool = slow_f16_lt_quiet; + subj_f16_z_bool = qemu_f16_lt_quiet; + test_ab_f16_z_bool: + test_ab_f16_z_bool(true_f16_z_bool, subj_f16_z_bool); + break; + case F32_TO_UI32: + test_a_f32_z_ui32_rx(slow_f32_to_ui32, qemu_f32_to_ui32, rmode, exact); + break; + case F32_TO_UI64: + test_a_f32_z_ui64_rx(slow_f32_to_ui64, qemu_f32_to_ui64, rmode, exact); + break; + case F32_TO_I32: + test_a_f32_z_i32_rx(slow_f32_to_i32, qemu_f32_to_i32, rmode, exact); + break; + case F32_TO_I64: + test_a_f32_z_i64_rx(slow_f32_to_i64, qemu_f32_to_i64, rmode, exact); + break; + case F32_TO_UI32_R_MINMAG: + test_a_f32_z_ui32_x(slow_f32_to_ui32_r_minMag, + qemu_f32_to_ui32_r_minMag, exact); + break; + case F32_TO_UI64_R_MINMAG: + test_a_f32_z_ui64_x(slow_f32_to_ui64_r_minMag, + qemu_f32_to_ui64_r_minMag, exact); + break; + case F32_TO_I32_R_MINMAG: + test_a_f32_z_i32_x(slow_f32_to_i32_r_minMag, qemu_f32_to_i32_r_minMag, + exact); + break; + case F32_TO_I64_R_MINMAG: + test_a_f32_z_i64_x(slow_f32_to_i64_r_minMag, qemu_f32_to_i64_r_minMag, + exact); + break; + case F32_TO_F16: + test_a_f32_z_f16(slow_f32_to_f16, qemu_f32_to_f16); + break; + case F32_TO_F64: + test_a_f32_z_f64(slow_f32_to_f64, qemu_f32_to_f64); + break; + case F32_TO_EXTF80: + test_a_f32_z_extF80(slow_f32_to_extF80M, qemu_f32_to_extF80M); + break; + case F32_TO_F128: + test_a_f32_z_f128(slow_f32_to_f128M, qemu_f32_to_f128M); + break; + case F32_ROUNDTOINT: + test_az_f32_rx(slow_f32_roundToInt, qemu_f32_roundToInt, rmode, exact); + break; + case F32_ADD: + true_abz_f32 = slow_f32_add; + subj_abz_f32 = qemu_f32_add; + goto test_abz_f32; + case F32_SUB: + true_abz_f32 = slow_f32_sub; + subj_abz_f32 = qemu_f32_sub; + goto test_abz_f32; + case F32_MUL: + true_abz_f32 = slow_f32_mul; + subj_abz_f32 = qemu_f32_mul; + goto test_abz_f32; + case F32_DIV: + true_abz_f32 = slow_f32_div; + subj_abz_f32 = qemu_f32_div; + goto test_abz_f32; + case F32_REM: + true_abz_f32 = slow_f32_rem; + subj_abz_f32 = qemu_f32_rem; + test_abz_f32: + test_abz_f32(true_abz_f32, subj_abz_f32); + break; + case F32_MULADD: + test_abcz_f32(slow_f32_mulAdd, qemu_f32_mulAdd); + break; + case F32_SQRT: + test_az_f32(slow_f32_sqrt, qemu_f32_sqrt); + break; + case F32_EQ: + true_ab_f32_z_bool = slow_f32_eq; + subj_ab_f32_z_bool = qemu_f32_eq; + goto test_ab_f32_z_bool; + case F32_LE: + true_ab_f32_z_bool = slow_f32_le; + subj_ab_f32_z_bool = qemu_f32_le; + goto test_ab_f32_z_bool; + case F32_LT: + true_ab_f32_z_bool = slow_f32_lt; + subj_ab_f32_z_bool = qemu_f32_lt; + goto test_ab_f32_z_bool; + case F32_EQ_SIGNALING: + true_ab_f32_z_bool = slow_f32_eq_signaling; + subj_ab_f32_z_bool = qemu_f32_eq_signaling; + goto test_ab_f32_z_bool; + case F32_LE_QUIET: + true_ab_f32_z_bool = slow_f32_le_quiet; + subj_ab_f32_z_bool = qemu_f32_le_quiet; + goto test_ab_f32_z_bool; + case F32_LT_QUIET: + true_ab_f32_z_bool = slow_f32_lt_quiet; + subj_ab_f32_z_bool = qemu_f32_lt_quiet; + test_ab_f32_z_bool: + test_ab_f32_z_bool(true_ab_f32_z_bool, subj_ab_f32_z_bool); + break; + case F64_TO_UI32: + test_a_f64_z_ui32_rx(slow_f64_to_ui32, qemu_f64_to_ui32, rmode, exact); + break; + case F64_TO_UI64: + test_a_f64_z_ui64_rx(slow_f64_to_ui64, qemu_f64_to_ui64, rmode, exact); + break; + case F64_TO_I32: + test_a_f64_z_i32_rx(slow_f64_to_i32, qemu_f64_to_i32, rmode, exact); + break; + case F64_TO_I64: + test_a_f64_z_i64_rx(slow_f64_to_i64, qemu_f64_to_i64, rmode, exact); + break; + case F64_TO_UI32_R_MINMAG: + test_a_f64_z_ui32_x(slow_f64_to_ui32_r_minMag, + qemu_f64_to_ui32_r_minMag, exact); + break; + case F64_TO_UI64_R_MINMAG: + test_a_f64_z_ui64_x(slow_f64_to_ui64_r_minMag, + qemu_f64_to_ui64_r_minMag, exact); + break; + case F64_TO_I32_R_MINMAG: + test_a_f64_z_i32_x(slow_f64_to_i32_r_minMag, qemu_f64_to_i32_r_minMag, + exact); + break; + case F64_TO_I64_R_MINMAG: + test_a_f64_z_i64_x(slow_f64_to_i64_r_minMag, qemu_f64_to_i64_r_minMag, + exact); + break; + case F64_TO_F16: + test_a_f64_z_f16(slow_f64_to_f16, qemu_f64_to_f16); + break; + case F64_TO_F32: + test_a_f64_z_f32(slow_f64_to_f32, qemu_f64_to_f32); + break; + case F64_TO_EXTF80: + test_a_f64_z_extF80(slow_f64_to_extF80M, qemu_f64_to_extF80M); + break; + case F64_TO_F128: + test_a_f64_z_f128(slow_f64_to_f128M, qemu_f64_to_f128M); + break; + case F64_ROUNDTOINT: + test_az_f64_rx(slow_f64_roundToInt, qemu_f64_roundToInt, rmode, exact); + break; + case F64_ADD: + true_abz_f64 = slow_f64_add; + subj_abz_f64 = qemu_f64_add; + goto test_abz_f64; + case F64_SUB: + true_abz_f64 = slow_f64_sub; + subj_abz_f64 = qemu_f64_sub; + goto test_abz_f64; + case F64_MUL: + true_abz_f64 = slow_f64_mul; + subj_abz_f64 = qemu_f64_mul; + goto test_abz_f64; + case F64_DIV: + true_abz_f64 = slow_f64_div; + subj_abz_f64 = qemu_f64_div; + goto test_abz_f64; + case F64_REM: + true_abz_f64 = slow_f64_rem; + subj_abz_f64 = qemu_f64_rem; + test_abz_f64: + test_abz_f64(true_abz_f64, subj_abz_f64); + break; + case F64_MULADD: + test_abcz_f64(slow_f64_mulAdd, qemu_f64_mulAdd); + break; + case F64_SQRT: + test_az_f64(slow_f64_sqrt, qemu_f64_sqrt); + break; + case F64_EQ: + true_ab_f64_z_bool = slow_f64_eq; + subj_ab_f64_z_bool = qemu_f64_eq; + goto test_ab_f64_z_bool; + case F64_LE: + true_ab_f64_z_bool = slow_f64_le; + subj_ab_f64_z_bool = qemu_f64_le; + goto test_ab_f64_z_bool; + case F64_LT: + true_ab_f64_z_bool = slow_f64_lt; + subj_ab_f64_z_bool = qemu_f64_lt; + goto test_ab_f64_z_bool; + case F64_EQ_SIGNALING: + true_ab_f64_z_bool = slow_f64_eq_signaling; + subj_ab_f64_z_bool = qemu_f64_eq_signaling; + goto test_ab_f64_z_bool; + case F64_LE_QUIET: + true_ab_f64_z_bool = slow_f64_le_quiet; + subj_ab_f64_z_bool = qemu_f64_le_quiet; + goto test_ab_f64_z_bool; + case F64_LT_QUIET: + true_ab_f64_z_bool = slow_f64_lt_quiet; + subj_ab_f64_z_bool = qemu_f64_lt_quiet; + test_ab_f64_z_bool: + test_ab_f64_z_bool(true_ab_f64_z_bool, subj_ab_f64_z_bool); + break; + case EXTF80_TO_UI32: + not_implemented(); + break; + case EXTF80_TO_UI64: + not_implemented(); + break; + case EXTF80_TO_I32: + test_a_extF80_z_i32_rx(slow_extF80M_to_i32, qemu_extF80M_to_i32, rmode, + exact); + break; + case EXTF80_TO_I64: + test_a_extF80_z_i64_rx(slow_extF80M_to_i64, qemu_extF80M_to_i64, rmode, + exact); + break; + case EXTF80_TO_UI32_R_MINMAG: + not_implemented(); + break; + case EXTF80_TO_UI64_R_MINMAG: + not_implemented(); + break; + case EXTF80_TO_I32_R_MINMAG: + test_a_extF80_z_i32_x(slow_extF80M_to_i32_r_minMag, + qemu_extF80M_to_i32_r_minMag, exact); + break; + case EXTF80_TO_I64_R_MINMAG: + test_a_extF80_z_i64_x(slow_extF80M_to_i64_r_minMag, + qemu_extF80M_to_i64_r_minMag, exact); + break; + case EXTF80_TO_F16: + not_implemented(); + break; + case EXTF80_TO_F32: + test_a_extF80_z_f32(slow_extF80M_to_f32, qemu_extF80M_to_f32); + break; + case EXTF80_TO_F64: + test_a_extF80_z_f64(slow_extF80M_to_f64, qemu_extF80M_to_f64); + break; + case EXTF80_TO_F128: + test_a_extF80_z_f128(slow_extF80M_to_f128M, qemu_extF80M_to_f128M); + break; + case EXTF80_ROUNDTOINT: + test_az_extF80_rx(slow_extF80M_roundToInt, qemu_extF80M_roundToInt, + rmode, exact); + break; + case EXTF80_ADD: + true_abz_extF80M = slow_extF80M_add; + subj_abz_extF80M = qemu_extF80M_add; + goto test_abz_extF80; + case EXTF80_SUB: + true_abz_extF80M = slow_extF80M_sub; + subj_abz_extF80M = qemu_extF80M_sub; + goto test_abz_extF80; + case EXTF80_MUL: + true_abz_extF80M = slow_extF80M_mul; + subj_abz_extF80M = qemu_extF80M_mul; + goto test_abz_extF80; + case EXTF80_DIV: + true_abz_extF80M = slow_extF80M_div; + subj_abz_extF80M = qemu_extF80M_div; + goto test_abz_extF80; + case EXTF80_REM: + true_abz_extF80M = slow_extF80M_rem; + subj_abz_extF80M = qemu_extF80M_rem; + test_abz_extF80: + test_abz_extF80(true_abz_extF80M, subj_abz_extF80M); + break; + case EXTF80_SQRT: + test_az_extF80(slow_extF80M_sqrt, qemu_extF80M_sqrt); + break; + case EXTF80_EQ: + true_ab_extF80M_z_bool = slow_extF80M_eq; + subj_ab_extF80M_z_bool = qemu_extF80M_eq; + goto test_ab_extF80_z_bool; + case EXTF80_LE: + true_ab_extF80M_z_bool = slow_extF80M_le; + subj_ab_extF80M_z_bool = qemu_extF80M_le; + goto test_ab_extF80_z_bool; + case EXTF80_LT: + true_ab_extF80M_z_bool = slow_extF80M_lt; + subj_ab_extF80M_z_bool = qemu_extF80M_lt; + goto test_ab_extF80_z_bool; + case EXTF80_EQ_SIGNALING: + true_ab_extF80M_z_bool = slow_extF80M_eq_signaling; + subj_ab_extF80M_z_bool = qemu_extF80M_eq_signaling; + goto test_ab_extF80_z_bool; + case EXTF80_LE_QUIET: + true_ab_extF80M_z_bool = slow_extF80M_le_quiet; + subj_ab_extF80M_z_bool = qemu_extF80M_le_quiet; + goto test_ab_extF80_z_bool; + case EXTF80_LT_QUIET: + true_ab_extF80M_z_bool = slow_extF80M_lt_quiet; + subj_ab_extF80M_z_bool = qemu_extF80M_lt_quiet; + test_ab_extF80_z_bool: + test_ab_extF80_z_bool(true_ab_extF80M_z_bool, subj_ab_extF80M_z_bool); + break; + case F128_TO_UI32: + not_implemented(); + break; + case F128_TO_UI64: + test_a_f128_z_ui64_rx(slow_f128M_to_ui64, qemu_f128M_to_ui64, rmode, + exact); + break; + case F128_TO_I32: + test_a_f128_z_i32_rx(slow_f128M_to_i32, qemu_f128M_to_i32, rmode, + exact); + break; + case F128_TO_I64: + test_a_f128_z_i64_rx(slow_f128M_to_i64, qemu_f128M_to_i64, rmode, + exact); + break; + case F128_TO_UI32_R_MINMAG: + test_a_f128_z_ui32_x(slow_f128M_to_ui32_r_minMag, + qemu_f128M_to_ui32_r_minMag, exact); + break; + case F128_TO_UI64_R_MINMAG: + test_a_f128_z_ui64_x(slow_f128M_to_ui64_r_minMag, + qemu_f128M_to_ui64_r_minMag, exact); + break; + case F128_TO_I32_R_MINMAG: + test_a_f128_z_i32_x(slow_f128M_to_i32_r_minMag, + qemu_f128M_to_i32_r_minMag, exact); + break; + case F128_TO_I64_R_MINMAG: + test_a_f128_z_i64_x(slow_f128M_to_i64_r_minMag, + qemu_f128M_to_i64_r_minMag, exact); + break; + case F128_TO_F16: + not_implemented(); + break; + case F128_TO_F32: + test_a_f128_z_f32(slow_f128M_to_f32, qemu_f128M_to_f32); + break; + case F128_TO_F64: + test_a_f128_z_f64(slow_f128M_to_f64, qemu_f128M_to_f64); + break; + case F128_TO_EXTF80: + test_a_f128_z_extF80(slow_f128M_to_extF80M, qemu_f128M_to_extF80M); + break; + case F128_ROUNDTOINT: + test_az_f128_rx(slow_f128M_roundToInt, qemu_f128M_roundToInt, rmode, + exact); + break; + case F128_ADD: + true_abz_f128M = slow_f128M_add; + subj_abz_f128M = qemu_f128M_add; + goto test_abz_f128; + case F128_SUB: + true_abz_f128M = slow_f128M_sub; + subj_abz_f128M = qemu_f128M_sub; + goto test_abz_f128; + case F128_MUL: + true_abz_f128M = slow_f128M_mul; + subj_abz_f128M = qemu_f128M_mul; + goto test_abz_f128; + case F128_DIV: + true_abz_f128M = slow_f128M_div; + subj_abz_f128M = qemu_f128M_div; + goto test_abz_f128; + case F128_REM: + true_abz_f128M = slow_f128M_rem; + subj_abz_f128M = qemu_f128M_rem; + test_abz_f128: + test_abz_f128(true_abz_f128M, subj_abz_f128M); + break; + case F128_MULADD: + not_implemented(); + break; + case F128_SQRT: + test_az_f128(slow_f128M_sqrt, qemu_f128M_sqrt); + break; + case F128_EQ: + true_ab_f128M_z_bool = slow_f128M_eq; + subj_ab_f128M_z_bool = qemu_f128M_eq; + goto test_ab_f128_z_bool; + case F128_LE: + true_ab_f128M_z_bool = slow_f128M_le; + subj_ab_f128M_z_bool = qemu_f128M_le; + goto test_ab_f128_z_bool; + case F128_LT: + true_ab_f128M_z_bool = slow_f128M_lt; + subj_ab_f128M_z_bool = qemu_f128M_lt; + goto test_ab_f128_z_bool; + case F128_EQ_SIGNALING: + true_ab_f128M_z_bool = slow_f128M_eq_signaling; + subj_ab_f128M_z_bool = qemu_f128M_eq_signaling; + goto test_ab_f128_z_bool; + case F128_LE_QUIET: + true_ab_f128M_z_bool = slow_f128M_le_quiet; + subj_ab_f128M_z_bool = qemu_f128M_le_quiet; + goto test_ab_f128_z_bool; + case F128_LT_QUIET: + true_ab_f128M_z_bool = slow_f128M_lt_quiet; + subj_ab_f128M_z_bool = qemu_f128M_lt_quiet; + test_ab_f128_z_bool: + test_ab_f128_z_bool(true_ab_f128M_z_bool, subj_ab_f128M_z_bool); + break; + } + if ((verCases_errorStop && verCases_anyErrors)) { + verCases_exitWithStatus(); + } +} + +static unsigned int test_name_to_op(const char *arg) +{ + unsigned int i; + + /* counting begins at 1 */ + for (i = 1; i < NUM_FUNCTIONS; i++) { + const char *name = functionInfos[i].namePtr; + + if (name && !strcmp(name, arg)) { + return i; + } + } + return 0; +} + +static unsigned int round_name_to_mode(const char *name) +{ + int i; + + /* counting begins at 1 */ + for (i = 1; i < NUM_ROUNDINGMODES; i++) { + if (!strcmp(round_mode_names[i], name)) { + return i; + } + } + return 0; +} + +static int set_init_flags(const char *flags) +{ + const char *p; + + for (p = flags; *p != '\0'; p++) { + switch (*p) { + case 'v': + slow_init_flags |= softfloat_flag_invalid; + qemu_init_flags |= float_flag_invalid; + break; + case 'i': + slow_init_flags |= softfloat_flag_infinite; + qemu_init_flags |= float_flag_divbyzero; + break; + case 'o': + slow_init_flags |= softfloat_flag_overflow; + qemu_init_flags |= float_flag_overflow; + break; + case 'u': + slow_init_flags |= softfloat_flag_underflow; + qemu_init_flags |= float_flag_underflow; + break; + case 'x': + slow_init_flags |= softfloat_flag_inexact; + qemu_init_flags |= float_flag_inexact; + break; + default: + return 1; + } + } + return 0; +} + +static uint8_t slow_clear_flags(void) +{ + uint8_t prev = slowfloat_exceptionFlags; + + slowfloat_exceptionFlags = slow_init_flags; + return prev; +} + +static uint8_t qemu_clear_flags(void) +{ + uint8_t prev = qemu_flags_to_sf(qsf.float_exception_flags); + + qsf.float_exception_flags = qemu_init_flags; + return prev; +} + +static void parse_args(int argc, char *argv[]) +{ + unsigned int i; + int c; + + for (;;) { + c = getopt(argc, argv, "he:f:l:r:s"); + if (c < 0) { + break; + } + switch (c) { + case 'h': + usage_complete(argc, argv); + exit(EXIT_SUCCESS); + case 'e': + if (qemu_strtoui(optarg, NULL, 0, &n_max_errors)) { + fprintf(stderr, "fatal: invalid max error count\n"); + exit(EXIT_FAILURE); + } + break; + case 'f': + if (set_init_flags(optarg)) { + fprintf(stderr, "fatal: flags must be a subset of 'vioux'\n"); + exit(EXIT_FAILURE); + } + break; + case 'l': + if (qemu_strtoi(optarg, NULL, 0, &test_level)) { + fprintf(stderr, "fatal: invalid test level\n"); + exit(EXIT_FAILURE); + } + break; + case 'r': + if (!strcmp(optarg, "all")) { + test_round_mode = 0; + } else { + test_round_mode = round_name_to_mode(optarg); + if (test_round_mode == 0) { + fprintf(stderr, "fatal: invalid rounding mode\n"); + exit(EXIT_FAILURE); + } + } + break; + case 's': + verCases_errorStop = true; + break; + case '?': + /* invalid option or missing argument; getopt prints error info */ + exit(EXIT_FAILURE); + } + } + + /* set rounding modes */ + if (test_round_mode == 0) { + /* test all rounding modes; note that counting begins at 1 */ + n_round_modes = NUM_ROUNDINGMODES - 1; + round_modes = g_malloc_n(n_round_modes, sizeof(*round_modes)); + for (i = 0; i < n_round_modes; i++) { + round_modes[i] = i + 1; + } + } else { + n_round_modes = 1; + round_modes = g_malloc(sizeof(*round_modes)); + round_modes[0] = test_round_mode; + } + + /* set test ops */ + if (optind == argc) { + /* test all ops; note that counting begins at 1 */ + n_test_ops = NUM_FUNCTIONS - 1; + test_ops = g_malloc_n(n_test_ops, sizeof(*test_ops)); + for (i = 0; i < n_test_ops; i++) { + test_ops[i] = i + 1; + } + } else { + n_test_ops = argc - optind; + test_ops = g_malloc_n(n_test_ops, sizeof(*test_ops)); + for (i = 0; i < n_test_ops; i++) { + const char *name = argv[i + optind]; + unsigned int op = test_name_to_op(name); + + if (op == 0) { + fprintf(stderr, "fatal: invalid op '%s'\n", name); + exit(EXIT_FAILURE); + } + test_ops[i] = op; + } + } +} + +static void QEMU_NORETURN run_test(void) +{ + unsigned int i; + + genCases_setLevel(test_level); + verCases_maxErrorCount = n_max_errors; + + testLoops_trueFlagsFunction = slow_clear_flags; + testLoops_subjFlagsFunction = qemu_clear_flags; + + for (i = 0; i < n_test_ops; i++) { + unsigned int op = test_ops[i]; + int j; + + if (functionInfos[op].namePtr == NULL) { + continue; + } + verCases_functionNamePtr = functionInfos[op].namePtr; + + for (j = 0; j < n_round_modes; j++) { + int attrs = functionInfos[op].attribs; + int round = round_modes[j]; + int rmode = roundingModes[round]; + int k; + + verCases_roundingCode = 0; + slowfloat_roundingMode = rmode; + qsf.float_rounding_mode = sf_rounding_to_qemu(rmode); + + if (attrs & (FUNC_ARG_ROUNDINGMODE | FUNC_EFF_ROUNDINGMODE)) { + /* print rounding mode if the op is affected by it */ + verCases_roundingCode = round; + } else if (j > 0) { + /* if the op is not sensitive to rounding, move on */ + break; + } + + /* QEMU doesn't have !exact */ + verCases_exact = true; + verCases_usesExact = !!(attrs & FUNC_ARG_EXACT); + + for (k = 0; k < 3; k++) { + int prec80 = 32; + int l; + + if (k == 1) { + prec80 = 64; + } else if (k == 2) { + prec80 = 80; + } + + verCases_roundingPrecision = 0; + slow_extF80_roundingPrecision = prec80; + qsf.floatx80_rounding_precision = prec80; + + if (attrs & FUNC_EFF_ROUNDINGPRECISION) { + verCases_roundingPrecision = prec80; + } else if (k > 0) { + /* if the op is not sensitive to prec80, move on */ + break; + } + + /* note: the count begins at 1 */ + for (l = 1; l < NUM_TININESSMODES; l++) { + int tmode = tininessModes[l]; + + verCases_tininessCode = 0; + slowfloat_detectTininess = tmode; + qsf.float_detect_tininess = sf_tininess_to_qemu(tmode); + + if (attrs & FUNC_EFF_TININESSMODE || + ((attrs & FUNC_EFF_TININESSMODE_REDUCEDPREC) && + prec80 && prec80 < 80)) { + verCases_tininessCode = l; + } else if (l > 1) { + /* if the op is not sensitive to tininess, move on */ + break; + } + + do_testfloat(op, rmode, true); + } + } + } + } + verCases_exitWithStatus(); + /* old compilers might miss that we exited */ + g_assert_not_reached(); +} + +int main(int argc, char *argv[]) +{ + parse_args(argc, argv); + fail_programName = argv[0]; + run_test(); /* does not return */ +} |