diff options
Diffstat (limited to 'lib/libc/misc/t_vis.c')
| -rw-r--r-- | lib/libc/misc/t_vis.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/lib/libc/misc/t_vis.c b/lib/libc/misc/t_vis.c new file mode 100644 index 000000000000..a712ffa2f9d2 --- /dev/null +++ b/lib/libc/misc/t_vis.c @@ -0,0 +1,165 @@ +/* $NetBSD: t_vis.c,v 1.2 2025/11/16 12:43:25 nia Exp $ */ + +/*- + * Copyright (c) 2025 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Nia Alarie. + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. + */ + +#include <atf-c.h> +#include <string.h> +#include <stdio.h> +#include "vis_types.h" +#include "vis_proto.h" + +ATF_TC(vis_test_addsub); + +ATF_TC_HEAD(vis_test_addsub, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test 32-bit packed add/subtract"); +} + +ATF_TC_BODY(vis_test_addsub, tc) +{ + vis_d64 v1, v2, v3; + vis_f32 f1, f2; + vis_u32 u1, u2; + + v1 = vis_to_double(8, 16); + v2 = vis_to_double(16, 8); + + v3 = vis_fpadd32(v1, v2); + + f1 = vis_read_lo(v3); + memcpy(&u1, &f1, sizeof(f1)); + f2 = vis_read_hi(v3); + memcpy(&u2, &f2, sizeof(f2)); + + ATF_REQUIRE(u1 == 24 && u2 == 24); + + v2 = vis_to_double(4, 4); + v3 = vis_fpsub32(v3, v2); + + f1 = vis_read_lo(v3); + memcpy(&u1, &f1, sizeof(f1)); + f2 = vis_read_hi(v3); + memcpy(&u2, &f2, sizeof(f2)); + + ATF_REQUIRE(u1 == 20 && u2 == 20); +} + +ATF_TC(vis_test_bitwise); + +ATF_TC_HEAD(vis_test_bitwise, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test 32-bit packed bitwise"); +} + +ATF_TC_BODY(vis_test_bitwise, tc) +{ + static vis_u8 testbytes1[8] = { 1, 0, 1, 1, 1, 0, 1, 1 }; + static vis_u8 testbytes2[8] = { 1, 1, 0, 1, 1, 1, 0, 1 }; + static vis_u8 test_and[8] = { 1, 0, 0, 1, 1, 0, 0, 1 }; + static vis_u8 test_or[8] = { 1, 1, 1, 1, 1, 1, 1, 1 }; + static vis_u8 test_zero[8] = { 0 }; + static vis_u64 test_ones = 0xffffffffffffffff; + double v1, v2, v3; + + memcpy(&v1, testbytes1, sizeof(v1)); + memcpy(&v2, testbytes2, sizeof(v2)); + + v3 = vis_fand(v1, v2); + + ATF_REQUIRE(memcmp(&v3, test_and, sizeof(v3)) == 0); + + v3 = vis_fone(); + + ATF_REQUIRE(memcmp(&v3, &test_ones, sizeof(v3)) == 0); + + v3 = vis_for(v1, v2); + + ATF_REQUIRE(memcmp(&v3, test_or, sizeof(v3)) == 0); + + v3 = vis_fzero(); + + ATF_REQUIRE(memcmp(&v3, test_zero, sizeof(v3)) == 0); +} + +ATF_TC(vis_test_fcmpeq16); + +ATF_TC_HEAD(vis_test_fcmpeq16, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test 16-bit packed compare"); +} + +ATF_TC_BODY(vis_test_fcmpeq16, tc) +{ + static vis_u16 testshort1[4] = { 16000, 16000, 16000, 16000 }; + static vis_u16 testshort2[4] = { 32000, 16000, 32000, 16000 }; + static vis_u16 testshort3[4] = { 48000, 48000, 48000, 48000 }; + vis_d64 v1, v2, v3; + + memcpy(&v1, testshort1, sizeof(v1)); + memcpy(&v2, testshort2, sizeof(v2)); + memcpy(&v3, testshort3, sizeof(v3)); + + ATF_REQUIRE((!!vis_fcmpeq16(v1, v2)) != 0); + ATF_REQUIRE((!!vis_fcmpeq16(v1, v3)) == 0); + ATF_REQUIRE((!!vis_fcmpne16(v1, v3)) != 0); +} + +ATF_TC(vis_test_fcmpeq32); + +ATF_TC_HEAD(vis_test_fcmpeq32, tc) +{ + atf_tc_set_md_var(tc, "descr", "Test 32-bit packed compare"); +} + +ATF_TC_BODY(vis_test_fcmpeq32, tc) +{ + static vis_u32 testlong1[2] = { 16000, 16000 }; + static vis_u32 testlong2[2] = { 32000, 16000 }; + static vis_u32 testlong3[2] = { 48000, 48000 }; + vis_d64 v1, v2, v3; + + memcpy(&v1, testlong1, sizeof(v1)); + memcpy(&v2, testlong2, sizeof(v2)); + memcpy(&v3, testlong3, sizeof(v3)); + + ATF_REQUIRE((!!vis_fcmpeq32(v1, v2)) != 0); + ATF_REQUIRE((!!vis_fcmpeq32(v1, v3)) == 0); + ATF_REQUIRE((!!vis_fcmpne32(v1, v3)) != 0); +} + +ATF_TP_ADD_TCS(tp) +{ + ATF_TP_ADD_TC(tp, vis_test_addsub); + ATF_TP_ADD_TC(tp, vis_test_bitwise); + ATF_TP_ADD_TC(tp, vis_test_fcmpeq16); + ATF_TP_ADD_TC(tp, vis_test_fcmpeq32); + + return atf_no_error(); +} |