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 "compiler.h"
25 #include "bi_test.h"
26 #include "bi_builder.h"
27 
28 #define TMP() bi_temp(b->shader)
29 
main(int argc,char ** argv)30 int main(int argc, char **argv)
31 {
32    unsigned nr_fail = 0, nr_pass = 0;
33    void *ralloc_ctx = ralloc_context(NULL);
34    bi_builder *b = bit_builder(ralloc_ctx);
35 
36    bi_instr *mov = bi_mov_i32_to(b, TMP(), TMP());
37    BIT_ASSERT(bi_can_fma(mov));
38    BIT_ASSERT(bi_can_add(mov));
39    BIT_ASSERT(!bi_must_message(mov));
40    BIT_ASSERT(bi_reads_zero(mov));
41    BIT_ASSERT(bi_reads_temps(mov, 0));
42    BIT_ASSERT(bi_reads_t(mov, 0));
43 
44    bi_instr *fma = bi_fma_f32_to(b, TMP(), TMP(), TMP(), bi_zero(), BI_ROUND_NONE);
45    BIT_ASSERT(bi_can_fma(fma));
46    BIT_ASSERT(!bi_can_add(fma));
47    BIT_ASSERT(!bi_must_message(fma));
48    BIT_ASSERT(bi_reads_zero(fma));
49    for (unsigned i = 0; i < 3; ++i) {
50       BIT_ASSERT(bi_reads_temps(fma, i));
51       BIT_ASSERT(bi_reads_t(fma, i));
52    }
53 
54    bi_instr *load = bi_load_i128_to(b, TMP(), TMP(), TMP(), BI_SEG_UBO);
55    BIT_ASSERT(!bi_can_fma(load));
56    BIT_ASSERT(bi_can_add(load));
57    BIT_ASSERT(bi_must_message(load));
58    for (unsigned i = 0; i < 2; ++i) {
59       BIT_ASSERT(bi_reads_temps(load, i));
60       BIT_ASSERT(bi_reads_t(load, i));
61    }
62 
63    bi_instr *blend = bi_blend_to(b, TMP(), TMP(), TMP(), TMP(), TMP(), 4);
64    BIT_ASSERT(!bi_can_fma(load));
65    BIT_ASSERT(bi_can_add(load));
66    BIT_ASSERT(bi_must_message(blend));
67    for (unsigned i = 0; i < 4; ++i)
68       BIT_ASSERT(bi_reads_temps(blend, i));
69    BIT_ASSERT(!bi_reads_t(blend, 0));
70    BIT_ASSERT(bi_reads_t(blend, 1));
71    BIT_ASSERT(!bi_reads_t(blend, 2));
72    BIT_ASSERT(!bi_reads_t(blend, 3));
73 
74    /* Test restrictions on modifiers of same cycle temporaries */
75    bi_instr *fadd = bi_fadd_f32_to(b, TMP(), TMP(), TMP(), BI_ROUND_NONE);
76    BIT_ASSERT(bi_reads_t(fadd, 0));
77 
78    for (unsigned i = 0; i < 2; ++i) {
79       for (unsigned j = 0; j < 2; ++j) {
80          bi_instr *fadd = bi_fadd_f32_to(b, TMP(), TMP(), TMP(), BI_ROUND_NONE);
81          fadd->src[i] = bi_swz_16(TMP(), j, j);
82          BIT_ASSERT(bi_reads_t(fadd, 1 - i));
83          BIT_ASSERT(!bi_reads_t(fadd, i));
84       }
85    }
86 
87    ralloc_free(ralloc_ctx);
88    TEST_END(nr_pass, nr_fail);
89 }
90