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 "va_compiler.h"
25 #include "bi_test.h"
26 #include "bi_builder.h"
27
28 #include <gtest/gtest.h>
29
30 #define CASE(instr, expected) do { \
31 if (va_validate_fau(instr) != expected) { \
32 fprintf(stderr, "Incorrect validation for:\n"); \
33 bi_print_instr(instr, stderr); \
34 fprintf(stderr, "\n"); \
35 ADD_FAILURE(); \
36 } \
37 } while(0)
38
39 #define VALID(instr) CASE(instr, true)
40 #define INVALID(instr) CASE(instr, false)
41
42 class ValidateFau : public testing::Test {
43 protected:
ValidateFau()44 ValidateFau() {
45 mem_ctx = ralloc_context(NULL);
46 b = bit_builder(mem_ctx);
47
48 zero = bi_fau((enum bir_fau) (BIR_FAU_IMMEDIATE | 0), false);
49 imm1 = bi_fau((enum bir_fau) (BIR_FAU_IMMEDIATE | 1), false);
50 imm2 = bi_fau((enum bir_fau) (BIR_FAU_IMMEDIATE | 2), false);
51 unif = bi_fau((enum bir_fau) (BIR_FAU_UNIFORM | 5), false);
52 unif_hi = bi_fau((enum bir_fau) (BIR_FAU_UNIFORM | 5), true);
53 unif2 = bi_fau((enum bir_fau) (BIR_FAU_UNIFORM | 6), false);
54 core_id = bi_fau(BIR_FAU_CORE_ID, false);
55 lane_id = bi_fau(BIR_FAU_LANE_ID, false);
56 }
57
~ValidateFau()58 ~ValidateFau() {
59 ralloc_free(mem_ctx);
60 }
61
62 void *mem_ctx;
63 bi_builder *b;
64 bi_index zero, imm1, imm2, unif, unif_hi, unif2, core_id, lane_id;
65 };
66
TEST_F(ValidateFau,One64BitUniformSlot)67 TEST_F(ValidateFau, One64BitUniformSlot)
68 {
69 VALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), bi_register(3),
70 unif));
71 VALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), unif_hi, unif));
72 VALID(bi_fma_f32_to(b, bi_register(1), unif, unif, unif_hi));
73 INVALID(bi_fma_f32_to(b, bi_register(1), unif, unif2, bi_register(1)));
74 INVALID(bi_fma_f32_to(b, bi_register(1), unif, unif2, unif_hi));
75
76 /* Crafted case that appears correct at first glance and was erronously
77 * marked as valid in early versions of the validator.
78 */
79 INVALID(bi_fma_f32_to(b, bi_register(1), bi_register(2),
80 bi_fau((enum bir_fau) (BIR_FAU_UNIFORM | 0), false),
81 bi_fau((enum bir_fau) (BIR_FAU_UNIFORM | 1), true)));
82 }
83
TEST_F(ValidateFau,Combined64BitUniformsConstants)84 TEST_F(ValidateFau, Combined64BitUniformsConstants)
85 {
86 VALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), unif_hi, unif));
87 VALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), zero, unif));
88 VALID(bi_fma_f32_to(b, bi_register(1), zero, imm1, imm1));
89 INVALID(bi_fma_f32_to(b, bi_register(1), zero, unif_hi, unif));
90 INVALID(bi_fma_f32_to(b, bi_register(1), zero, imm1, imm2));
91 }
92
TEST_F(ValidateFau,UniformsOnlyInDefaultMode)93 TEST_F(ValidateFau, UniformsOnlyInDefaultMode)
94 {
95 INVALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), unif_hi, lane_id));
96 INVALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), unif_hi, core_id));
97 }
98
TEST_F(ValidateFau,SingleSpecialImmediate)99 TEST_F(ValidateFau, SingleSpecialImmediate)
100 {
101 VALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), bi_register(2),
102 lane_id));
103 VALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), bi_register(2),
104 core_id));
105 INVALID(bi_fma_f32_to(b, bi_register(1), bi_register(2), lane_id,
106 core_id));
107 }
108
TEST_F(ValidateFau,SmokeTests)109 TEST_F(ValidateFau, SmokeTests)
110 {
111 VALID(bi_mov_i32_to(b, bi_register(1), bi_register(2)));
112 VALID(bi_mov_i32_to(b, bi_register(1), unif));
113 VALID(bi_fma_f32_to(b, bi_register(1), bi_discard(bi_register(1)),
114 unif, bi_neg(zero)));
115 }
116