1 /*
2 * Copyright (C) 2021 Collabora, Ltd.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24 #include "bi_builder.h"
25 #include "bi_test.h"
26 #include "va_compiler.h"
27
28 #include <gtest/gtest.h>
29
30 #define CASE(instr, expected) \
31 do { \
32 if (va_validate_fau(instr) != expected) { \
33 fprintf(stderr, "Incorrect validation for:\n"); \
34 bi_print_instr(instr, stderr); \
35 fprintf(stderr, "\n"); \
36 ADD_FAILURE(); \
37 } \
38 } while (0)
39
40 #define VALID(instr) CASE(instr, true)
41 #define INVALID(instr) CASE(instr, false)
42
43 class ValidateFau : public testing::Test {
44 protected:
ValidateFau()45 ValidateFau()
46 {
47 mem_ctx = ralloc_context(NULL);
48 b = bit_builder(mem_ctx);
49
50 zero = bi_fau((enum bir_fau)(BIR_FAU_IMMEDIATE | 0), false);
51 imm1 = bi_fau((enum bir_fau)(BIR_FAU_IMMEDIATE | 1), false);
52 imm2 = bi_fau((enum bir_fau)(BIR_FAU_IMMEDIATE | 2), false);
53 unif = bi_fau((enum bir_fau)(BIR_FAU_UNIFORM | 5), false);
54 unif_hi = bi_fau((enum bir_fau)(BIR_FAU_UNIFORM | 5), true);
55 unif2 = bi_fau((enum bir_fau)(BIR_FAU_UNIFORM | 6), false);
56 core_id = bi_fau(BIR_FAU_CORE_ID, false);
57 lane_id = bi_fau(BIR_FAU_LANE_ID, false);
58 }
59
~ValidateFau()60 ~ValidateFau()
61 {
62 ralloc_free(mem_ctx);
63 }
64
65 void *mem_ctx;
66 bi_builder *b;
67 bi_index zero, imm1, imm2, unif, unif_hi, unif2, core_id, lane_id;
68 };
69
TEST_F(ValidateFau,One64BitUniformSlot)70 TEST_F(ValidateFau, One64BitUniformSlot)
71 {
72 VALID(
73 bi_fma_f32_to(b, bi_register(1), bi_register(2), bi_register(3), unif));
74 VALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), unif_hi, unif));
75 VALID(bi_fma_f32_to(b, bi_register(1), unif, unif, unif_hi));
76 INVALID(bi_fma_f32_to(b, bi_register(1), unif, unif2, bi_register(1)));
77 INVALID(bi_fma_f32_to(b, bi_register(1), unif, unif2, unif_hi));
78
79 /* Crafted case that appears correct at first glance and was erronously
80 * marked as valid in early versions of the validator.
81 */
82 INVALID(bi_fma_f32_to(b, bi_register(1), bi_register(2),
83 bi_fau((enum bir_fau)(BIR_FAU_UNIFORM | 0), false),
84 bi_fau((enum bir_fau)(BIR_FAU_UNIFORM | 1), true)));
85 }
86
TEST_F(ValidateFau,Combined64BitUniformsConstants)87 TEST_F(ValidateFau, Combined64BitUniformsConstants)
88 {
89 VALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), unif_hi, unif));
90 VALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), zero, unif));
91 VALID(bi_fma_f32_to(b, bi_register(1), zero, imm1, imm1));
92 INVALID(bi_fma_f32_to(b, bi_register(1), zero, unif_hi, unif));
93 INVALID(bi_fma_f32_to(b, bi_register(1), zero, imm1, imm2));
94 }
95
TEST_F(ValidateFau,UniformsOnlyInDefaultMode)96 TEST_F(ValidateFau, UniformsOnlyInDefaultMode)
97 {
98 INVALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), unif_hi, lane_id));
99 INVALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), unif_hi, core_id));
100 }
101
TEST_F(ValidateFau,SingleSpecialImmediate)102 TEST_F(ValidateFau, SingleSpecialImmediate)
103 {
104 VALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), bi_register(2),
105 lane_id));
106 VALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), bi_register(2),
107 core_id));
108 INVALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), lane_id, core_id));
109 }
110
TEST_F(ValidateFau,SmokeTests)111 TEST_F(ValidateFau, SmokeTests)
112 {
113 VALID(bi_mov_i32_to(b, bi_register(1), bi_register(2)));
114 VALID(bi_mov_i32_to(b, bi_register(1), unif));
115 VALID(bi_fma_f32_to(b, bi_register(1), bi_discard(bi_register(1)), unif,
116 bi_neg(zero)));
117 }
118