2 * Copyright © 2018 Valve Corporation
3 * Copyright © 2018 Google
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
30 #include "ac_shader_util.h"
32 #include "aco_builder.h"
33 #include "aco_interface.h"
34 #include "aco_instruction_selection_setup.cpp"
35 #include "util/fast_idiv_by_const.h"
40 class loop_info_RAII
{
42 unsigned header_idx_old
;
44 bool divergent_cont_old
;
45 bool divergent_branch_old
;
46 bool divergent_if_old
;
49 loop_info_RAII(isel_context
* ctx
, unsigned loop_header_idx
, Block
* loop_exit
)
51 header_idx_old(ctx
->cf_info
.parent_loop
.header_idx
), exit_old(ctx
->cf_info
.parent_loop
.exit
),
52 divergent_cont_old(ctx
->cf_info
.parent_loop
.has_divergent_continue
),
53 divergent_branch_old(ctx
->cf_info
.parent_loop
.has_divergent_branch
),
54 divergent_if_old(ctx
->cf_info
.parent_if
.is_divergent
)
56 ctx
->cf_info
.parent_loop
.header_idx
= loop_header_idx
;
57 ctx
->cf_info
.parent_loop
.exit
= loop_exit
;
58 ctx
->cf_info
.parent_loop
.has_divergent_continue
= false;
59 ctx
->cf_info
.parent_loop
.has_divergent_branch
= false;
60 ctx
->cf_info
.parent_if
.is_divergent
= false;
61 ctx
->cf_info
.loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
+ 1;
66 ctx
->cf_info
.parent_loop
.header_idx
= header_idx_old
;
67 ctx
->cf_info
.parent_loop
.exit
= exit_old
;
68 ctx
->cf_info
.parent_loop
.has_divergent_continue
= divergent_cont_old
;
69 ctx
->cf_info
.parent_loop
.has_divergent_branch
= divergent_branch_old
;
70 ctx
->cf_info
.parent_if
.is_divergent
= divergent_if_old
;
71 ctx
->cf_info
.loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
- 1;
72 if (!ctx
->cf_info
.loop_nest_depth
&& !ctx
->cf_info
.parent_if
.is_divergent
)
73 ctx
->cf_info
.exec_potentially_empty
= false;
81 bool exec_potentially_empty_old
;
85 bool then_branch_divergent
;
90 static void visit_cf_list(struct isel_context
*ctx
,
91 struct exec_list
*list
);
93 static void add_logical_edge(unsigned pred_idx
, Block
*succ
)
95 succ
->logical_preds
.emplace_back(pred_idx
);
99 static void add_linear_edge(unsigned pred_idx
, Block
*succ
)
101 succ
->linear_preds
.emplace_back(pred_idx
);
104 static void add_edge(unsigned pred_idx
, Block
*succ
)
106 add_logical_edge(pred_idx
, succ
);
107 add_linear_edge(pred_idx
, succ
);
110 static void append_logical_start(Block
*b
)
112 Builder(NULL
, b
).pseudo(aco_opcode::p_logical_start
);
115 static void append_logical_end(Block
*b
)
117 Builder(NULL
, b
).pseudo(aco_opcode::p_logical_end
);
120 Temp
get_ssa_temp(struct isel_context
*ctx
, nir_ssa_def
*def
)
122 assert(ctx
->allocated
[def
->index
].id());
123 return ctx
->allocated
[def
->index
];
126 Temp
emit_wqm(isel_context
*ctx
, Temp src
, Temp dst
=Temp(0, s1
), bool program_needs_wqm
= false)
128 Builder
bld(ctx
->program
, ctx
->block
);
131 dst
= bld
.tmp(src
.regClass());
133 if (ctx
->stage
!= fragment_fs
) {
137 if (src
.type() == RegType::vgpr
|| src
.size() > 1)
138 bld
.copy(Definition(dst
), src
);
140 bld
.sop1(aco_opcode::s_mov_b32
, Definition(dst
), src
);
144 bld
.pseudo(aco_opcode::p_wqm
, Definition(dst
), src
);
145 ctx
->program
->needs_wqm
|= program_needs_wqm
;
149 Temp
as_vgpr(isel_context
*ctx
, Temp val
)
151 if (val
.type() == RegType::sgpr
) {
152 Builder
bld(ctx
->program
, ctx
->block
);
153 return bld
.copy(bld
.def(RegType::vgpr
, val
.size()), val
);
155 assert(val
.type() == RegType::vgpr
);
159 //assumes a != 0xffffffff
160 void emit_v_div_u32(isel_context
*ctx
, Temp dst
, Temp a
, uint32_t b
)
163 Builder
bld(ctx
->program
, ctx
->block
);
165 if (util_is_power_of_two_or_zero(b
)) {
166 bld
.vop2(aco_opcode::v_lshrrev_b32
, Definition(dst
), Operand((uint32_t)util_logbase2(b
)), a
);
170 util_fast_udiv_info info
= util_compute_fast_udiv_info(b
, 32, 32);
172 assert(info
.multiplier
<= 0xffffffff);
174 bool pre_shift
= info
.pre_shift
!= 0;
175 bool increment
= info
.increment
!= 0;
176 bool multiply
= true;
177 bool post_shift
= info
.post_shift
!= 0;
179 if (!pre_shift
&& !increment
&& !multiply
&& !post_shift
) {
180 bld
.vop1(aco_opcode::v_mov_b32
, Definition(dst
), a
);
184 Temp pre_shift_dst
= a
;
186 pre_shift_dst
= (increment
|| multiply
|| post_shift
) ? bld
.tmp(v1
) : dst
;
187 bld
.vop2(aco_opcode::v_lshrrev_b32
, Definition(pre_shift_dst
), Operand((uint32_t)info
.pre_shift
), a
);
190 Temp increment_dst
= pre_shift_dst
;
192 increment_dst
= (post_shift
|| multiply
) ? bld
.tmp(v1
) : dst
;
193 bld
.vadd32(Definition(increment_dst
), Operand((uint32_t) info
.increment
), pre_shift_dst
);
196 Temp multiply_dst
= increment_dst
;
198 multiply_dst
= post_shift
? bld
.tmp(v1
) : dst
;
199 bld
.vop3(aco_opcode::v_mul_hi_u32
, Definition(multiply_dst
), increment_dst
,
200 bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand((uint32_t)info
.multiplier
)));
204 bld
.vop2(aco_opcode::v_lshrrev_b32
, Definition(dst
), Operand((uint32_t)info
.post_shift
), multiply_dst
);
208 void emit_extract_vector(isel_context
* ctx
, Temp src
, uint32_t idx
, Temp dst
)
210 Builder
bld(ctx
->program
, ctx
->block
);
211 bld
.pseudo(aco_opcode::p_extract_vector
, Definition(dst
), src
, Operand(idx
));
215 Temp
emit_extract_vector(isel_context
* ctx
, Temp src
, uint32_t idx
, RegClass dst_rc
)
217 /* no need to extract the whole vector */
218 if (src
.regClass() == dst_rc
) {
222 assert(src
.size() > idx
);
223 Builder
bld(ctx
->program
, ctx
->block
);
224 auto it
= ctx
->allocated_vec
.find(src
.id());
225 /* the size check needs to be early because elements other than 0 may be garbage */
226 if (it
!= ctx
->allocated_vec
.end() && it
->second
[0].size() == dst_rc
.size()) {
227 if (it
->second
[idx
].regClass() == dst_rc
) {
228 return it
->second
[idx
];
230 assert(dst_rc
.size() == it
->second
[idx
].regClass().size());
231 assert(dst_rc
.type() == RegType::vgpr
&& it
->second
[idx
].type() == RegType::sgpr
);
232 return bld
.copy(bld
.def(dst_rc
), it
->second
[idx
]);
236 if (src
.size() == dst_rc
.size()) {
238 return bld
.copy(bld
.def(dst_rc
), src
);
240 Temp dst
= bld
.tmp(dst_rc
);
241 emit_extract_vector(ctx
, src
, idx
, dst
);
246 void emit_split_vector(isel_context
* ctx
, Temp vec_src
, unsigned num_components
)
248 if (num_components
== 1)
250 if (ctx
->allocated_vec
.find(vec_src
.id()) != ctx
->allocated_vec
.end())
252 aco_ptr
<Pseudo_instruction
> split
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_split_vector
, Format::PSEUDO
, 1, num_components
)};
253 split
->operands
[0] = Operand(vec_src
);
254 std::array
<Temp
,4> elems
;
255 for (unsigned i
= 0; i
< num_components
; i
++) {
256 elems
[i
] = {ctx
->program
->allocateId(), RegClass(vec_src
.type(), vec_src
.size() / num_components
)};
257 split
->definitions
[i
] = Definition(elems
[i
]);
259 ctx
->block
->instructions
.emplace_back(std::move(split
));
260 ctx
->allocated_vec
.emplace(vec_src
.id(), elems
);
263 /* This vector expansion uses a mask to determine which elements in the new vector
264 * come from the original vector. The other elements are undefined. */
265 void expand_vector(isel_context
* ctx
, Temp vec_src
, Temp dst
, unsigned num_components
, unsigned mask
)
267 emit_split_vector(ctx
, vec_src
, util_bitcount(mask
));
272 Builder
bld(ctx
->program
, ctx
->block
);
273 if (num_components
== 1) {
274 if (dst
.type() == RegType::sgpr
)
275 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), vec_src
);
277 bld
.copy(Definition(dst
), vec_src
);
281 unsigned component_size
= dst
.size() / num_components
;
282 std::array
<Temp
,4> elems
;
284 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, num_components
, 1)};
285 vec
->definitions
[0] = Definition(dst
);
287 for (unsigned i
= 0; i
< num_components
; i
++) {
288 if (mask
& (1 << i
)) {
289 Temp src
= emit_extract_vector(ctx
, vec_src
, k
++, RegClass(vec_src
.type(), component_size
));
290 if (dst
.type() == RegType::sgpr
)
291 src
= bld
.as_uniform(src
);
292 vec
->operands
[i
] = Operand(src
);
294 vec
->operands
[i
] = Operand(0u);
296 elems
[i
] = vec
->operands
[i
].getTemp();
298 ctx
->block
->instructions
.emplace_back(std::move(vec
));
299 ctx
->allocated_vec
.emplace(dst
.id(), elems
);
302 Temp
as_divergent_bool(isel_context
*ctx
, Temp val
, bool vcc_hint
)
304 if (val
.regClass() == s2
) {
307 assert(val
.regClass() == s1
);
308 Builder
bld(ctx
->program
, ctx
->block
);
309 Definition
& def
= bld
.sop2(aco_opcode::s_cselect_b64
, bld
.def(s2
),
310 Operand((uint32_t) -1), Operand(0u), bld
.scc(val
)).def(0);
313 return def
.getTemp();
317 Temp
as_uniform_bool(isel_context
*ctx
, Temp val
)
319 if (val
.regClass() == s1
) {
322 assert(val
.regClass() == s2
);
323 Builder
bld(ctx
->program
, ctx
->block
);
324 return bld
.sopc(aco_opcode::s_cmp_lg_u64
, bld
.def(s1
, scc
), Operand(0u), Operand(val
));
328 Temp
get_alu_src(struct isel_context
*ctx
, nir_alu_src src
, unsigned size
=1)
330 if (src
.src
.ssa
->num_components
== 1 && src
.swizzle
[0] == 0 && size
== 1)
331 return get_ssa_temp(ctx
, src
.src
.ssa
);
333 if (src
.src
.ssa
->num_components
== size
) {
334 bool identity_swizzle
= true;
335 for (unsigned i
= 0; identity_swizzle
&& i
< size
; i
++) {
336 if (src
.swizzle
[i
] != i
)
337 identity_swizzle
= false;
339 if (identity_swizzle
)
340 return get_ssa_temp(ctx
, src
.src
.ssa
);
343 Temp vec
= get_ssa_temp(ctx
, src
.src
.ssa
);
344 unsigned elem_size
= vec
.size() / src
.src
.ssa
->num_components
;
345 assert(elem_size
> 0); /* TODO: 8 and 16-bit vectors not supported */
346 assert(vec
.size() % elem_size
== 0);
348 RegClass elem_rc
= RegClass(vec
.type(), elem_size
);
350 return emit_extract_vector(ctx
, vec
, src
.swizzle
[0], elem_rc
);
353 std::array
<Temp
,4> elems
;
354 aco_ptr
<Pseudo_instruction
> vec_instr
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, size
, 1)};
355 for (unsigned i
= 0; i
< size
; ++i
) {
356 elems
[i
] = emit_extract_vector(ctx
, vec
, src
.swizzle
[i
], elem_rc
);
357 vec_instr
->operands
[i
] = Operand
{elems
[i
]};
359 Temp dst
{ctx
->program
->allocateId(), RegClass(vec
.type(), elem_size
* size
)};
360 vec_instr
->definitions
[0] = Definition(dst
);
361 ctx
->block
->instructions
.emplace_back(std::move(vec_instr
));
362 ctx
->allocated_vec
.emplace(dst
.id(), elems
);
367 Temp
convert_pointer_to_64_bit(isel_context
*ctx
, Temp ptr
)
371 Builder
bld(ctx
->program
, ctx
->block
);
372 if (ptr
.type() == RegType::vgpr
)
373 ptr
= bld
.vop1(aco_opcode::v_readfirstlane_b32
, bld
.def(s1
), ptr
);
374 return bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
),
375 ptr
, Operand((unsigned)ctx
->options
->address32_hi
));
378 void emit_sop2_instruction(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op
, Temp dst
, bool writes_scc
)
380 aco_ptr
<SOP2_instruction
> sop2
{create_instruction
<SOP2_instruction
>(op
, Format::SOP2
, 2, writes_scc
? 2 : 1)};
381 sop2
->operands
[0] = Operand(get_alu_src(ctx
, instr
->src
[0]));
382 sop2
->operands
[1] = Operand(get_alu_src(ctx
, instr
->src
[1]));
383 sop2
->definitions
[0] = Definition(dst
);
385 sop2
->definitions
[1] = Definition(ctx
->program
->allocateId(), scc
, s1
);
386 ctx
->block
->instructions
.emplace_back(std::move(sop2
));
389 void emit_vop2_instruction(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op
, Temp dst
, bool commutative
, bool swap_srcs
=false)
391 Builder
bld(ctx
->program
, ctx
->block
);
392 Temp src0
= get_alu_src(ctx
, instr
->src
[swap_srcs
? 1 : 0]);
393 Temp src1
= get_alu_src(ctx
, instr
->src
[swap_srcs
? 0 : 1]);
394 if (src1
.type() == RegType::sgpr
) {
395 if (commutative
&& src0
.type() == RegType::vgpr
) {
399 } else if (src0
.type() == RegType::vgpr
&&
400 op
!= aco_opcode::v_madmk_f32
&&
401 op
!= aco_opcode::v_madak_f32
&&
402 op
!= aco_opcode::v_madmk_f16
&&
403 op
!= aco_opcode::v_madak_f16
) {
404 /* If the instruction is not commutative, we emit a VOP3A instruction */
405 bld
.vop2_e64(op
, Definition(dst
), src0
, src1
);
408 src1
= bld
.copy(bld
.def(RegType::vgpr
, src1
.size()), src1
); //TODO: as_vgpr
411 bld
.vop2(op
, Definition(dst
), src0
, src1
);
414 void emit_vop3a_instruction(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op
, Temp dst
)
416 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
417 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
418 Temp src2
= get_alu_src(ctx
, instr
->src
[2]);
420 /* ensure that the instruction has at most 1 sgpr operand
421 * The optimizer will inline constants for us */
422 if (src0
.type() == RegType::sgpr
&& src1
.type() == RegType::sgpr
)
423 src0
= as_vgpr(ctx
, src0
);
424 if (src1
.type() == RegType::sgpr
&& src2
.type() == RegType::sgpr
)
425 src1
= as_vgpr(ctx
, src1
);
426 if (src2
.type() == RegType::sgpr
&& src0
.type() == RegType::sgpr
)
427 src2
= as_vgpr(ctx
, src2
);
429 Builder
bld(ctx
->program
, ctx
->block
);
430 bld
.vop3(op
, Definition(dst
), src0
, src1
, src2
);
433 void emit_vop1_instruction(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op
, Temp dst
)
435 Builder
bld(ctx
->program
, ctx
->block
);
436 bld
.vop1(op
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
439 void emit_vopc_instruction(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op
, Temp dst
)
441 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
442 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
443 aco_ptr
<Instruction
> vopc
;
444 if (src1
.type() == RegType::sgpr
) {
445 if (src0
.type() == RegType::vgpr
) {
446 /* to swap the operands, we might also have to change the opcode */
448 case aco_opcode::v_cmp_lt_f32
:
449 op
= aco_opcode::v_cmp_gt_f32
;
451 case aco_opcode::v_cmp_ge_f32
:
452 op
= aco_opcode::v_cmp_le_f32
;
454 case aco_opcode::v_cmp_lt_i32
:
455 op
= aco_opcode::v_cmp_gt_i32
;
457 case aco_opcode::v_cmp_ge_i32
:
458 op
= aco_opcode::v_cmp_le_i32
;
460 case aco_opcode::v_cmp_lt_u32
:
461 op
= aco_opcode::v_cmp_gt_u32
;
463 case aco_opcode::v_cmp_ge_u32
:
464 op
= aco_opcode::v_cmp_le_u32
;
466 case aco_opcode::v_cmp_lt_f64
:
467 op
= aco_opcode::v_cmp_gt_f64
;
469 case aco_opcode::v_cmp_ge_f64
:
470 op
= aco_opcode::v_cmp_le_f64
;
472 case aco_opcode::v_cmp_lt_i64
:
473 op
= aco_opcode::v_cmp_gt_i64
;
475 case aco_opcode::v_cmp_ge_i64
:
476 op
= aco_opcode::v_cmp_le_i64
;
478 case aco_opcode::v_cmp_lt_u64
:
479 op
= aco_opcode::v_cmp_gt_u64
;
481 case aco_opcode::v_cmp_ge_u64
:
482 op
= aco_opcode::v_cmp_le_u64
;
484 default: /* eq and ne are commutative */
491 src1
= as_vgpr(ctx
, src1
);
494 Builder
bld(ctx
->program
, ctx
->block
);
495 bld
.vopc(op
, Definition(dst
), src0
, src1
).def(0).setHint(vcc
);
498 void emit_comparison(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op
, Temp dst
)
500 if (dst
.regClass() == s2
) {
501 emit_vopc_instruction(ctx
, instr
, op
, dst
);
502 if (!ctx
->divergent_vals
[instr
->dest
.dest
.ssa
.index
])
503 emit_split_vector(ctx
, dst
, 2);
504 } else if (dst
.regClass() == s1
) {
505 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
506 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
507 assert(src0
.type() == RegType::sgpr
&& src1
.type() == RegType::sgpr
);
509 Builder
bld(ctx
->program
, ctx
->block
);
510 bld
.sopc(op
, bld
.scc(Definition(dst
)), src0
, src1
);
517 void emit_boolean_logic(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op32
, aco_opcode op64
, Temp dst
)
519 Builder
bld(ctx
->program
, ctx
->block
);
520 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
521 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
522 if (dst
.regClass() == s2
) {
523 bld
.sop2(op64
, Definition(dst
), bld
.def(s1
, scc
),
524 as_divergent_bool(ctx
, src0
, false), as_divergent_bool(ctx
, src1
, false));
526 assert(dst
.regClass() == s1
);
527 bld
.sop2(op32
, bld
.def(s1
), bld
.scc(Definition(dst
)),
528 as_uniform_bool(ctx
, src0
), as_uniform_bool(ctx
, src1
));
533 void emit_bcsel(isel_context
*ctx
, nir_alu_instr
*instr
, Temp dst
)
535 Builder
bld(ctx
->program
, ctx
->block
);
536 Temp cond
= get_alu_src(ctx
, instr
->src
[0]);
537 Temp then
= get_alu_src(ctx
, instr
->src
[1]);
538 Temp els
= get_alu_src(ctx
, instr
->src
[2]);
540 if (dst
.type() == RegType::vgpr
) {
541 cond
= as_divergent_bool(ctx
, cond
, true);
543 aco_ptr
<Instruction
> bcsel
;
544 if (dst
.size() == 1) {
545 then
= as_vgpr(ctx
, then
);
546 els
= as_vgpr(ctx
, els
);
548 bld
.vop2(aco_opcode::v_cndmask_b32
, Definition(dst
), els
, then
, cond
);
549 } else if (dst
.size() == 2) {
550 Temp then_lo
= bld
.tmp(v1
), then_hi
= bld
.tmp(v1
);
551 bld
.pseudo(aco_opcode::p_split_vector
, Definition(then_lo
), Definition(then_hi
), then
);
552 Temp else_lo
= bld
.tmp(v1
), else_hi
= bld
.tmp(v1
);
553 bld
.pseudo(aco_opcode::p_split_vector
, Definition(else_lo
), Definition(else_hi
), els
);
555 Temp dst0
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), else_lo
, then_lo
, cond
);
556 Temp dst1
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), else_hi
, then_hi
, cond
);
558 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), dst0
, dst1
);
560 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
561 nir_print_instr(&instr
->instr
, stderr
);
562 fprintf(stderr
, "\n");
567 if (instr
->dest
.dest
.ssa
.bit_size
!= 1) { /* uniform condition and values in sgpr */
568 if (dst
.regClass() == s1
|| dst
.regClass() == s2
) {
569 assert((then
.regClass() == s1
|| then
.regClass() == s2
) && els
.regClass() == then
.regClass());
570 aco_opcode op
= dst
.regClass() == s1
? aco_opcode::s_cselect_b32
: aco_opcode::s_cselect_b64
;
571 bld
.sop2(op
, Definition(dst
), then
, els
, bld
.scc(as_uniform_bool(ctx
, cond
)));
573 fprintf(stderr
, "Unimplemented uniform bcsel bit size: ");
574 nir_print_instr(&instr
->instr
, stderr
);
575 fprintf(stderr
, "\n");
581 assert(instr
->dest
.dest
.ssa
.bit_size
== 1);
583 if (dst
.regClass() == s1
)
584 cond
= as_uniform_bool(ctx
, cond
);
586 if (cond
.regClass() == s1
) { /* uniform selection */
588 if (dst
.regClass() == s2
) {
589 op
= aco_opcode::s_cselect_b64
;
590 then
= as_divergent_bool(ctx
, then
, false);
591 els
= as_divergent_bool(ctx
, els
, false);
593 assert(dst
.regClass() == s1
);
594 op
= aco_opcode::s_cselect_b32
;
595 then
= as_uniform_bool(ctx
, then
);
596 els
= as_uniform_bool(ctx
, els
);
598 bld
.sop2(op
, Definition(dst
), then
, els
, bld
.scc(cond
));
602 /* divergent boolean bcsel
603 * this implements bcsel on bools: dst = s0 ? s1 : s2
604 * are going to be: dst = (s0 & s1) | (~s0 & s2) */
605 assert (dst
.regClass() == s2
);
606 then
= as_divergent_bool(ctx
, then
, false);
607 els
= as_divergent_bool(ctx
, els
, false);
609 if (cond
.id() != then
.id())
610 then
= bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
), cond
, then
);
612 if (cond
.id() == els
.id())
613 bld
.sop1(aco_opcode::s_mov_b64
, Definition(dst
), then
);
615 bld
.sop2(aco_opcode::s_or_b64
, Definition(dst
), bld
.def(s1
, scc
), then
,
616 bld
.sop2(aco_opcode::s_andn2_b64
, bld
.def(s2
), bld
.def(s1
, scc
), els
, cond
));
619 void visit_alu_instr(isel_context
*ctx
, nir_alu_instr
*instr
)
621 if (!instr
->dest
.dest
.is_ssa
) {
622 fprintf(stderr
, "nir alu dst not in ssa: ");
623 nir_print_instr(&instr
->instr
, stderr
);
624 fprintf(stderr
, "\n");
627 Builder
bld(ctx
->program
, ctx
->block
);
628 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.dest
.ssa
);
633 std::array
<Temp
,4> elems
;
634 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, instr
->dest
.dest
.ssa
.num_components
, 1)};
635 for (unsigned i
= 0; i
< instr
->dest
.dest
.ssa
.num_components
; ++i
) {
636 elems
[i
] = get_alu_src(ctx
, instr
->src
[i
]);
637 vec
->operands
[i
] = Operand
{elems
[i
]};
639 vec
->definitions
[0] = Definition(dst
);
640 ctx
->block
->instructions
.emplace_back(std::move(vec
));
641 ctx
->allocated_vec
.emplace(dst
.id(), elems
);
645 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
646 aco_ptr
<Instruction
> mov
;
647 if (dst
.type() == RegType::sgpr
) {
648 if (src
.type() == RegType::vgpr
)
649 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), src
);
650 else if (src
.regClass() == s1
)
651 bld
.sop1(aco_opcode::s_mov_b32
, Definition(dst
), src
);
652 else if (src
.regClass() == s2
)
653 bld
.sop1(aco_opcode::s_mov_b64
, Definition(dst
), src
);
655 unreachable("wrong src register class for nir_op_imov");
656 } else if (dst
.regClass() == v1
) {
657 bld
.vop1(aco_opcode::v_mov_b32
, Definition(dst
), src
);
658 } else if (dst
.regClass() == v2
) {
659 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), src
);
661 nir_print_instr(&instr
->instr
, stderr
);
662 unreachable("Should have been lowered to scalar.");
667 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
668 /* uniform booleans */
669 if (instr
->dest
.dest
.ssa
.bit_size
== 1 && dst
.regClass() == s1
) {
670 if (src
.regClass() == s1
) {
671 /* in this case, src is either 1 or 0 */
672 bld
.sop2(aco_opcode::s_xor_b32
, bld
.def(s1
), bld
.scc(Definition(dst
)), Operand(1u), src
);
674 /* src is either exec_mask or 0 */
675 assert(src
.regClass() == s2
);
676 bld
.sopc(aco_opcode::s_cmp_eq_u64
, bld
.scc(Definition(dst
)), Operand(0u), src
);
678 } else if (dst
.regClass() == v1
) {
679 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_not_b32
, dst
);
680 } else if (dst
.type() == RegType::sgpr
) {
681 aco_opcode opcode
= dst
.size() == 1 ? aco_opcode::s_not_b32
: aco_opcode::s_not_b64
;
682 bld
.sop1(opcode
, Definition(dst
), bld
.def(s1
, scc
), src
);
684 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
685 nir_print_instr(&instr
->instr
, stderr
);
686 fprintf(stderr
, "\n");
691 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
692 if (dst
.regClass() == v1
) {
693 bld
.vsub32(Definition(dst
), Operand(0u), Operand(src
));
694 } else if (dst
.regClass() == s1
) {
695 bld
.sop2(aco_opcode::s_mul_i32
, Definition(dst
), Operand((uint32_t) -1), src
);
696 } else if (dst
.size() == 2) {
697 Temp src0
= bld
.tmp(dst
.type(), 1);
698 Temp src1
= bld
.tmp(dst
.type(), 1);
699 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src0
), Definition(src1
), src
);
701 if (dst
.regClass() == s2
) {
702 Temp carry
= bld
.tmp(s1
);
703 Temp dst0
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.scc(Definition(carry
)), Operand(0u), src0
);
704 Temp dst1
= bld
.sop2(aco_opcode::s_subb_u32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0u), src1
, carry
);
705 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), dst0
, dst1
);
707 Temp lower
= bld
.tmp(v1
);
708 Temp borrow
= bld
.vsub32(Definition(lower
), Operand(0u), src0
, true).def(1).getTemp();
709 Temp upper
= bld
.vsub32(bld
.def(v1
), Operand(0u), src1
, false, borrow
);
710 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
713 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
714 nir_print_instr(&instr
->instr
, stderr
);
715 fprintf(stderr
, "\n");
720 if (dst
.regClass() == s1
) {
721 bld
.sop1(aco_opcode::s_abs_i32
, Definition(dst
), bld
.def(s1
, scc
), get_alu_src(ctx
, instr
->src
[0]));
722 } else if (dst
.regClass() == v1
) {
723 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
724 bld
.vop2(aco_opcode::v_max_i32
, Definition(dst
), src
, bld
.vsub32(bld
.def(v1
), Operand(0u), src
));
726 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
727 nir_print_instr(&instr
->instr
, stderr
);
728 fprintf(stderr
, "\n");
733 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
734 if (dst
.regClass() == s1
) {
735 Temp tmp
= bld
.sop2(aco_opcode::s_ashr_i32
, bld
.def(s1
), bld
.def(s1
, scc
), src
, Operand(31u));
736 Temp gtz
= bld
.sopc(aco_opcode::s_cmp_gt_i32
, bld
.def(s1
, scc
), src
, Operand(0u));
737 bld
.sop2(aco_opcode::s_add_i32
, Definition(dst
), bld
.def(s1
, scc
), gtz
, tmp
);
738 } else if (dst
.regClass() == s2
) {
739 Temp neg
= bld
.sop2(aco_opcode::s_ashr_i64
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(63u));
740 Temp neqz
= bld
.sopc(aco_opcode::s_cmp_lg_u64
, bld
.def(s1
, scc
), src
, Operand(0u));
741 bld
.sop2(aco_opcode::s_or_b64
, Definition(dst
), bld
.def(s1
, scc
), neg
, neqz
);
742 } else if (dst
.regClass() == v1
) {
743 Temp tmp
= bld
.vop2(aco_opcode::v_ashrrev_i32
, bld
.def(v1
), Operand(31u), src
);
744 Temp gtz
= bld
.vopc(aco_opcode::v_cmp_ge_i32
, bld
.hint_vcc(bld
.def(s2
)), Operand(0u), src
);
745 bld
.vop2(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(1u), tmp
, gtz
);
746 } else if (dst
.regClass() == v2
) {
747 Temp upper
= emit_extract_vector(ctx
, src
, 1, v1
);
748 Temp neg
= bld
.vop2(aco_opcode::v_ashrrev_i32
, bld
.def(v1
), Operand(31u), upper
);
749 Temp gtz
= bld
.vopc(aco_opcode::v_cmp_ge_i64
, bld
.hint_vcc(bld
.def(s2
)), Operand(0u), src
);
750 Temp lower
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(1u), neg
, gtz
);
751 upper
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0u), neg
, gtz
);
752 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
754 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
755 nir_print_instr(&instr
->instr
, stderr
);
756 fprintf(stderr
, "\n");
761 if (dst
.regClass() == v1
) {
762 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_max_i32
, dst
, true);
763 } else if (dst
.regClass() == s1
) {
764 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_max_i32
, dst
, true);
766 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
767 nir_print_instr(&instr
->instr
, stderr
);
768 fprintf(stderr
, "\n");
773 if (dst
.regClass() == v1
) {
774 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_max_u32
, dst
, true);
775 } else if (dst
.regClass() == s1
) {
776 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_max_u32
, dst
, true);
778 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
779 nir_print_instr(&instr
->instr
, stderr
);
780 fprintf(stderr
, "\n");
785 if (dst
.regClass() == v1
) {
786 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_min_i32
, dst
, true);
787 } else if (dst
.regClass() == s1
) {
788 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_min_i32
, dst
, true);
790 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
791 nir_print_instr(&instr
->instr
, stderr
);
792 fprintf(stderr
, "\n");
797 if (dst
.regClass() == v1
) {
798 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_min_u32
, dst
, true);
799 } else if (dst
.regClass() == s1
) {
800 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_min_u32
, dst
, true);
802 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
803 nir_print_instr(&instr
->instr
, stderr
);
804 fprintf(stderr
, "\n");
809 if (instr
->dest
.dest
.ssa
.bit_size
== 1) {
810 emit_boolean_logic(ctx
, instr
, aco_opcode::s_or_b32
, aco_opcode::s_or_b64
, dst
);
811 } else if (dst
.regClass() == v1
) {
812 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_or_b32
, dst
, true);
813 } else if (dst
.regClass() == s1
) {
814 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_or_b32
, dst
, true);
815 } else if (dst
.regClass() == s2
) {
816 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_or_b64
, dst
, true);
818 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
819 nir_print_instr(&instr
->instr
, stderr
);
820 fprintf(stderr
, "\n");
825 if (instr
->dest
.dest
.ssa
.bit_size
== 1) {
826 emit_boolean_logic(ctx
, instr
, aco_opcode::s_and_b32
, aco_opcode::s_and_b64
, dst
);
827 } else if (dst
.regClass() == v1
) {
828 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_and_b32
, dst
, true);
829 } else if (dst
.regClass() == s1
) {
830 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_and_b32
, dst
, true);
831 } else if (dst
.regClass() == s2
) {
832 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_and_b64
, dst
, true);
834 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
835 nir_print_instr(&instr
->instr
, stderr
);
836 fprintf(stderr
, "\n");
841 if (instr
->dest
.dest
.ssa
.bit_size
== 1) {
842 emit_boolean_logic(ctx
, instr
, aco_opcode::s_xor_b32
, aco_opcode::s_xor_b64
, dst
);
843 } else if (dst
.regClass() == v1
) {
844 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_xor_b32
, dst
, true);
845 } else if (dst
.regClass() == s1
) {
846 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_xor_b32
, dst
, true);
847 } else if (dst
.regClass() == s2
) {
848 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_xor_b64
, dst
, true);
850 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
851 nir_print_instr(&instr
->instr
, stderr
);
852 fprintf(stderr
, "\n");
857 if (dst
.regClass() == v1
) {
858 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_lshrrev_b32
, dst
, false, true);
859 } else if (dst
.regClass() == v2
) {
860 bld
.vop3(aco_opcode::v_lshrrev_b64
, Definition(dst
),
861 get_alu_src(ctx
, instr
->src
[1]), get_alu_src(ctx
, instr
->src
[0]));
862 } else if (dst
.regClass() == s2
) {
863 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_lshr_b64
, dst
, true);
864 } else if (dst
.regClass() == s1
) {
865 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_lshr_b32
, dst
, true);
867 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
868 nir_print_instr(&instr
->instr
, stderr
);
869 fprintf(stderr
, "\n");
874 if (dst
.regClass() == v1
) {
875 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_lshlrev_b32
, dst
, false, true);
876 } else if (dst
.regClass() == v2
) {
877 bld
.vop3(aco_opcode::v_lshlrev_b64
, Definition(dst
),
878 get_alu_src(ctx
, instr
->src
[1]), get_alu_src(ctx
, instr
->src
[0]));
879 } else if (dst
.regClass() == s1
) {
880 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_lshl_b32
, dst
, true);
881 } else if (dst
.regClass() == s2
) {
882 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_lshl_b64
, dst
, true);
884 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
885 nir_print_instr(&instr
->instr
, stderr
);
886 fprintf(stderr
, "\n");
891 if (dst
.regClass() == v1
) {
892 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_ashrrev_i32
, dst
, false, true);
893 } else if (dst
.regClass() == v2
) {
894 bld
.vop3(aco_opcode::v_ashrrev_i64
, Definition(dst
),
895 get_alu_src(ctx
, instr
->src
[1]), get_alu_src(ctx
, instr
->src
[0]));
896 } else if (dst
.regClass() == s1
) {
897 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_ashr_i32
, dst
, true);
898 } else if (dst
.regClass() == s2
) {
899 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_ashr_i64
, dst
, true);
901 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
902 nir_print_instr(&instr
->instr
, stderr
);
903 fprintf(stderr
, "\n");
907 case nir_op_find_lsb
: {
908 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
909 if (src
.regClass() == s1
) {
910 bld
.sop1(aco_opcode::s_ff1_i32_b32
, Definition(dst
), src
);
911 } else if (src
.regClass() == v1
) {
912 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_ffbl_b32
, dst
);
913 } else if (src
.regClass() == s2
) {
914 bld
.sop1(aco_opcode::s_ff1_i32_b64
, Definition(dst
), src
);
916 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
917 nir_print_instr(&instr
->instr
, stderr
);
918 fprintf(stderr
, "\n");
922 case nir_op_ufind_msb
:
923 case nir_op_ifind_msb
: {
924 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
925 if (src
.regClass() == s1
|| src
.regClass() == s2
) {
926 aco_opcode op
= src
.regClass() == s2
?
927 (instr
->op
== nir_op_ufind_msb
? aco_opcode::s_flbit_i32_b64
: aco_opcode::s_flbit_i32_i64
) :
928 (instr
->op
== nir_op_ufind_msb
? aco_opcode::s_flbit_i32_b32
: aco_opcode::s_flbit_i32
);
929 Temp msb_rev
= bld
.sop1(op
, bld
.def(s1
), src
);
931 Builder::Result sub
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.def(s1
, scc
),
932 Operand(src
.size() * 32u - 1u), msb_rev
);
933 Temp msb
= sub
.def(0).getTemp();
934 Temp carry
= sub
.def(1).getTemp();
936 bld
.sop2(aco_opcode::s_cselect_b32
, Definition(dst
), Operand((uint32_t)-1), msb
, carry
);
937 } else if (src
.regClass() == v1
) {
938 aco_opcode op
= instr
->op
== nir_op_ufind_msb
? aco_opcode::v_ffbh_u32
: aco_opcode::v_ffbh_i32
;
939 Temp msb_rev
= bld
.tmp(v1
);
940 emit_vop1_instruction(ctx
, instr
, op
, msb_rev
);
941 Temp msb
= bld
.tmp(v1
);
942 Temp carry
= bld
.vsub32(Definition(msb
), Operand(31u), Operand(msb_rev
), true).def(1).getTemp();
943 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), msb
, Operand((uint32_t)-1), carry
);
945 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
946 nir_print_instr(&instr
->instr
, stderr
);
947 fprintf(stderr
, "\n");
951 case nir_op_bitfield_reverse
: {
952 if (dst
.regClass() == s1
) {
953 bld
.sop1(aco_opcode::s_brev_b32
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
954 } else if (dst
.regClass() == v1
) {
955 bld
.vop1(aco_opcode::v_bfrev_b32
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
957 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
958 nir_print_instr(&instr
->instr
, stderr
);
959 fprintf(stderr
, "\n");
964 if (dst
.regClass() == s1
) {
965 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_add_u32
, dst
, true);
969 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
970 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
971 if (dst
.regClass() == v1
) {
972 bld
.vadd32(Definition(dst
), Operand(src0
), Operand(src1
));
976 assert(src0
.size() == 2 && src1
.size() == 2);
977 Temp src00
= bld
.tmp(src0
.type(), 1);
978 Temp src01
= bld
.tmp(dst
.type(), 1);
979 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src00
), Definition(src01
), src0
);
980 Temp src10
= bld
.tmp(src1
.type(), 1);
981 Temp src11
= bld
.tmp(dst
.type(), 1);
982 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src10
), Definition(src11
), src1
);
984 if (dst
.regClass() == s2
) {
985 Temp carry
= bld
.tmp(s1
);
986 Temp dst0
= bld
.sop2(aco_opcode::s_add_u32
, bld
.def(s1
), bld
.scc(Definition(carry
)), src00
, src10
);
987 Temp dst1
= bld
.sop2(aco_opcode::s_addc_u32
, bld
.def(s1
), bld
.def(s1
, scc
), src01
, src11
, bld
.scc(carry
));
988 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), dst0
, dst1
);
989 } else if (dst
.regClass() == v2
) {
990 Temp dst0
= bld
.tmp(v1
);
991 Temp carry
= bld
.vadd32(Definition(dst0
), src00
, src10
, true).def(1).getTemp();
992 Temp dst1
= bld
.vadd32(bld
.def(v1
), src01
, src11
, false, carry
);
993 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), dst0
, dst1
);
995 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
996 nir_print_instr(&instr
->instr
, stderr
);
997 fprintf(stderr
, "\n");
1001 case nir_op_uadd_sat
: {
1002 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
1003 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
1004 if (dst
.regClass() == s1
) {
1005 Temp tmp
= bld
.tmp(s1
), carry
= bld
.tmp(s1
);
1006 bld
.sop2(aco_opcode::s_add_u32
, Definition(tmp
), bld
.scc(Definition(carry
)),
1008 bld
.sop2(aco_opcode::s_cselect_b32
, Definition(dst
), Operand((uint32_t) -1), tmp
, bld
.scc(carry
));
1009 } else if (dst
.regClass() == v1
) {
1010 if (ctx
->options
->chip_class
>= GFX9
) {
1011 aco_ptr
<VOP3A_instruction
> add
{create_instruction
<VOP3A_instruction
>(aco_opcode::v_add_u32
, asVOP3(Format::VOP2
), 2, 1)};
1012 add
->operands
[0] = Operand(src0
);
1013 add
->operands
[1] = Operand(src1
);
1014 add
->definitions
[0] = Definition(dst
);
1016 ctx
->block
->instructions
.emplace_back(std::move(add
));
1018 if (src1
.regClass() != v1
)
1019 std::swap(src0
, src1
);
1020 assert(src1
.regClass() == v1
);
1021 Temp tmp
= bld
.tmp(v1
);
1022 Temp carry
= bld
.vadd32(Definition(tmp
), src0
, src1
, true).def(1).getTemp();
1023 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), tmp
, Operand((uint32_t) -1), carry
);
1026 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1027 nir_print_instr(&instr
->instr
, stderr
);
1028 fprintf(stderr
, "\n");
1032 case nir_op_uadd_carry
: {
1033 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
1034 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
1035 if (dst
.regClass() == s1
) {
1036 bld
.sop2(aco_opcode::s_add_u32
, bld
.def(s1
), bld
.scc(Definition(dst
)), src0
, src1
);
1039 if (dst
.regClass() == v1
) {
1040 Temp carry
= bld
.vadd32(bld
.def(v1
), src0
, src1
, true).def(1).getTemp();
1041 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0u), Operand(1u), carry
);
1045 Temp src00
= bld
.tmp(src0
.type(), 1);
1046 Temp src01
= bld
.tmp(dst
.type(), 1);
1047 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src00
), Definition(src01
), src0
);
1048 Temp src10
= bld
.tmp(src1
.type(), 1);
1049 Temp src11
= bld
.tmp(dst
.type(), 1);
1050 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src10
), Definition(src11
), src1
);
1051 if (dst
.regClass() == s2
) {
1052 Temp carry
= bld
.tmp(s1
);
1053 bld
.sop2(aco_opcode::s_add_u32
, bld
.def(s1
), bld
.scc(Definition(carry
)), src00
, src10
);
1054 carry
= bld
.sop2(aco_opcode::s_addc_u32
, bld
.def(s1
), bld
.scc(bld
.def(s1
)), src01
, src11
, bld
.scc(carry
)).def(1).getTemp();
1055 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), carry
, Operand(0u));
1056 } else if (dst
.regClass() == v2
) {
1057 Temp carry
= bld
.vadd32(bld
.def(v1
), src00
, src10
, true).def(1).getTemp();
1058 carry
= bld
.vadd32(bld
.def(v1
), src01
, src11
, true, carry
).def(1).getTemp();
1059 carry
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0u), Operand(1u), carry
);
1060 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), carry
, Operand(0u));
1062 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1063 nir_print_instr(&instr
->instr
, stderr
);
1064 fprintf(stderr
, "\n");
1069 if (dst
.regClass() == s1
) {
1070 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_sub_i32
, dst
, true);
1074 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
1075 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
1076 if (dst
.regClass() == v1
) {
1077 bld
.vsub32(Definition(dst
), src0
, src1
);
1081 Temp src00
= bld
.tmp(src0
.type(), 1);
1082 Temp src01
= bld
.tmp(dst
.type(), 1);
1083 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src00
), Definition(src01
), src0
);
1084 Temp src10
= bld
.tmp(src1
.type(), 1);
1085 Temp src11
= bld
.tmp(dst
.type(), 1);
1086 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src10
), Definition(src11
), src1
);
1087 if (dst
.regClass() == s2
) {
1088 Temp carry
= bld
.tmp(s1
);
1089 Temp dst0
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.scc(Definition(carry
)), src00
, src10
);
1090 Temp dst1
= bld
.sop2(aco_opcode::s_subb_u32
, bld
.def(s1
), bld
.def(s1
, scc
), src01
, src11
, carry
);
1091 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), dst0
, dst1
);
1092 } else if (dst
.regClass() == v2
) {
1093 Temp lower
= bld
.tmp(v1
);
1094 Temp borrow
= bld
.vsub32(Definition(lower
), src00
, src10
, true).def(1).getTemp();
1095 Temp upper
= bld
.vsub32(bld
.def(v1
), src01
, src11
, false, borrow
);
1096 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1098 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1099 nir_print_instr(&instr
->instr
, stderr
);
1100 fprintf(stderr
, "\n");
1104 case nir_op_usub_borrow
: {
1105 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
1106 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
1107 if (dst
.regClass() == s1
) {
1108 bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.scc(Definition(dst
)), src0
, src1
);
1110 } else if (dst
.regClass() == v1
) {
1111 Temp borrow
= bld
.vsub32(bld
.def(v1
), src0
, src1
, true).def(1).getTemp();
1112 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0u), Operand(1u), borrow
);
1116 Temp src00
= bld
.tmp(src0
.type(), 1);
1117 Temp src01
= bld
.tmp(dst
.type(), 1);
1118 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src00
), Definition(src01
), src0
);
1119 Temp src10
= bld
.tmp(src1
.type(), 1);
1120 Temp src11
= bld
.tmp(dst
.type(), 1);
1121 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src10
), Definition(src11
), src1
);
1122 if (dst
.regClass() == s2
) {
1123 Temp borrow
= bld
.tmp(s1
);
1124 bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.scc(Definition(borrow
)), src00
, src10
);
1125 borrow
= bld
.sop2(aco_opcode::s_subb_u32
, bld
.def(s1
), bld
.scc(bld
.def(s1
)), src01
, src11
, bld
.scc(borrow
)).def(1).getTemp();
1126 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), borrow
, Operand(0u));
1127 } else if (dst
.regClass() == v2
) {
1128 Temp borrow
= bld
.vsub32(bld
.def(v1
), src00
, src10
, true).def(1).getTemp();
1129 borrow
= bld
.vsub32(bld
.def(v1
), src01
, src11
, true, Operand(borrow
)).def(1).getTemp();
1130 borrow
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0u), Operand(1u), borrow
);
1131 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), borrow
, Operand(0u));
1133 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1134 nir_print_instr(&instr
->instr
, stderr
);
1135 fprintf(stderr
, "\n");
1140 if (dst
.regClass() == v1
) {
1141 bld
.vop3(aco_opcode::v_mul_lo_u32
, Definition(dst
),
1142 get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
1143 } else if (dst
.regClass() == s1
) {
1144 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_mul_i32
, dst
, false);
1146 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1147 nir_print_instr(&instr
->instr
, stderr
);
1148 fprintf(stderr
, "\n");
1152 case nir_op_umul_high
: {
1153 if (dst
.regClass() == v1
) {
1154 bld
.vop3(aco_opcode::v_mul_hi_u32
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
1155 } else if (dst
.regClass() == s1
&& ctx
->options
->chip_class
>= GFX9
) {
1156 bld
.sop2(aco_opcode::s_mul_hi_u32
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
1157 } else if (dst
.regClass() == s1
) {
1158 Temp tmp
= bld
.vop3(aco_opcode::v_mul_hi_u32
, bld
.def(v1
), get_alu_src(ctx
, instr
->src
[0]),
1159 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1160 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), tmp
);
1162 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1163 nir_print_instr(&instr
->instr
, stderr
);
1164 fprintf(stderr
, "\n");
1168 case nir_op_imul_high
: {
1169 if (dst
.regClass() == v1
) {
1170 bld
.vop3(aco_opcode::v_mul_hi_i32
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
1171 } else if (dst
.regClass() == s1
&& ctx
->options
->chip_class
>= GFX9
) {
1172 bld
.sop2(aco_opcode::s_mul_hi_i32
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
1173 } else if (dst
.regClass() == s1
) {
1174 Temp tmp
= bld
.vop3(aco_opcode::v_mul_hi_i32
, bld
.def(v1
), get_alu_src(ctx
, instr
->src
[0]),
1175 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1176 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), tmp
);
1178 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1179 nir_print_instr(&instr
->instr
, stderr
);
1180 fprintf(stderr
, "\n");
1185 if (dst
.size() == 1) {
1186 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_mul_f32
, dst
, true);
1187 } else if (dst
.size() == 2) {
1188 bld
.vop3(aco_opcode::v_mul_f64
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]),
1189 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1191 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1192 nir_print_instr(&instr
->instr
, stderr
);
1193 fprintf(stderr
, "\n");
1198 if (dst
.size() == 1) {
1199 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_add_f32
, dst
, true);
1200 } else if (dst
.size() == 2) {
1201 bld
.vop3(aco_opcode::v_add_f64
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]),
1202 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1204 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1205 nir_print_instr(&instr
->instr
, stderr
);
1206 fprintf(stderr
, "\n");
1211 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
1212 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
1213 if (dst
.size() == 1) {
1214 if (src1
.type() == RegType::vgpr
|| src0
.type() != RegType::vgpr
)
1215 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_sub_f32
, dst
, false);
1217 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_subrev_f32
, dst
, true);
1218 } else if (dst
.size() == 2) {
1219 Instruction
* add
= bld
.vop3(aco_opcode::v_add_f64
, Definition(dst
),
1220 get_alu_src(ctx
, instr
->src
[0]),
1221 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1222 VOP3A_instruction
* sub
= static_cast<VOP3A_instruction
*>(add
);
1225 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1226 nir_print_instr(&instr
->instr
, stderr
);
1227 fprintf(stderr
, "\n");
1232 if (dst
.size() == 1) {
1233 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_max_f32
, dst
, true);
1234 } else if (dst
.size() == 2) {
1235 bld
.vop3(aco_opcode::v_max_f64
, Definition(dst
),
1236 get_alu_src(ctx
, instr
->src
[0]),
1237 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1239 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1240 nir_print_instr(&instr
->instr
, stderr
);
1241 fprintf(stderr
, "\n");
1246 if (dst
.size() == 1) {
1247 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_min_f32
, dst
, true);
1248 } else if (dst
.size() == 2) {
1249 bld
.vop3(aco_opcode::v_min_f64
, Definition(dst
),
1250 get_alu_src(ctx
, instr
->src
[0]),
1251 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1253 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1254 nir_print_instr(&instr
->instr
, stderr
);
1255 fprintf(stderr
, "\n");
1259 case nir_op_fmax3
: {
1260 if (dst
.size() == 1) {
1261 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_max3_f32
, dst
);
1263 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1264 nir_print_instr(&instr
->instr
, stderr
);
1265 fprintf(stderr
, "\n");
1269 case nir_op_fmin3
: {
1270 if (dst
.size() == 1) {
1271 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_min3_f32
, dst
);
1273 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1274 nir_print_instr(&instr
->instr
, stderr
);
1275 fprintf(stderr
, "\n");
1279 case nir_op_fmed3
: {
1280 if (dst
.size() == 1) {
1281 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_med3_f32
, dst
);
1283 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1284 nir_print_instr(&instr
->instr
, stderr
);
1285 fprintf(stderr
, "\n");
1289 case nir_op_umax3
: {
1290 if (dst
.size() == 1) {
1291 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_max3_u32
, dst
);
1293 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1294 nir_print_instr(&instr
->instr
, stderr
);
1295 fprintf(stderr
, "\n");
1299 case nir_op_umin3
: {
1300 if (dst
.size() == 1) {
1301 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_min3_u32
, dst
);
1303 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1304 nir_print_instr(&instr
->instr
, stderr
);
1305 fprintf(stderr
, "\n");
1309 case nir_op_umed3
: {
1310 if (dst
.size() == 1) {
1311 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_med3_u32
, dst
);
1313 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1314 nir_print_instr(&instr
->instr
, stderr
);
1315 fprintf(stderr
, "\n");
1319 case nir_op_imax3
: {
1320 if (dst
.size() == 1) {
1321 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_max3_i32
, dst
);
1323 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1324 nir_print_instr(&instr
->instr
, stderr
);
1325 fprintf(stderr
, "\n");
1329 case nir_op_imin3
: {
1330 if (dst
.size() == 1) {
1331 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_min3_i32
, dst
);
1333 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1334 nir_print_instr(&instr
->instr
, stderr
);
1335 fprintf(stderr
, "\n");
1339 case nir_op_imed3
: {
1340 if (dst
.size() == 1) {
1341 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_med3_i32
, dst
);
1343 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1344 nir_print_instr(&instr
->instr
, stderr
);
1345 fprintf(stderr
, "\n");
1349 case nir_op_cube_face_coord
: {
1350 Temp in
= get_alu_src(ctx
, instr
->src
[0], 3);
1351 Temp src
[3] = { emit_extract_vector(ctx
, in
, 0, v1
),
1352 emit_extract_vector(ctx
, in
, 1, v1
),
1353 emit_extract_vector(ctx
, in
, 2, v1
) };
1354 Temp ma
= bld
.vop3(aco_opcode::v_cubema_f32
, bld
.def(v1
), src
[0], src
[1], src
[2]);
1355 ma
= bld
.vop1(aco_opcode::v_rcp_f32
, bld
.def(v1
), ma
);
1356 Temp sc
= bld
.vop3(aco_opcode::v_cubesc_f32
, bld
.def(v1
), src
[0], src
[1], src
[2]);
1357 Temp tc
= bld
.vop3(aco_opcode::v_cubetc_f32
, bld
.def(v1
), src
[0], src
[1], src
[2]);
1358 sc
= bld
.vop2(aco_opcode::v_madak_f32
, bld
.def(v1
), sc
, ma
, Operand(0x3f000000u
/*0.5*/));
1359 tc
= bld
.vop2(aco_opcode::v_madak_f32
, bld
.def(v1
), tc
, ma
, Operand(0x3f000000u
/*0.5*/));
1360 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), sc
, tc
);
1363 case nir_op_cube_face_index
: {
1364 Temp in
= get_alu_src(ctx
, instr
->src
[0], 3);
1365 Temp src
[3] = { emit_extract_vector(ctx
, in
, 0, v1
),
1366 emit_extract_vector(ctx
, in
, 1, v1
),
1367 emit_extract_vector(ctx
, in
, 2, v1
) };
1368 bld
.vop3(aco_opcode::v_cubeid_f32
, Definition(dst
), src
[0], src
[1], src
[2]);
1371 case nir_op_bcsel
: {
1372 emit_bcsel(ctx
, instr
, dst
);
1376 if (dst
.size() == 1) {
1377 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_rsq_f32
, dst
);
1378 } else if (dst
.size() == 2) {
1379 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_rsq_f64
, dst
);
1381 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1382 nir_print_instr(&instr
->instr
, stderr
);
1383 fprintf(stderr
, "\n");
1388 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1389 if (dst
.size() == 1) {
1390 bld
.vop2(aco_opcode::v_xor_b32
, Definition(dst
), Operand(0x80000000u
), as_vgpr(ctx
, src
));
1391 } else if (dst
.size() == 2) {
1392 Temp upper
= bld
.tmp(v1
), lower
= bld
.tmp(v1
);
1393 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), src
);
1394 upper
= bld
.vop2(aco_opcode::v_xor_b32
, bld
.def(v1
), Operand(0x80000000u
), upper
);
1395 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1397 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1398 nir_print_instr(&instr
->instr
, stderr
);
1399 fprintf(stderr
, "\n");
1404 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1405 if (dst
.size() == 1) {
1406 bld
.vop2(aco_opcode::v_and_b32
, Definition(dst
), Operand(0x7FFFFFFFu
), as_vgpr(ctx
, src
));
1407 } else if (dst
.size() == 2) {
1408 Temp upper
= bld
.tmp(v1
), lower
= bld
.tmp(v1
);
1409 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), src
);
1410 upper
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(0x7FFFFFFFu
), upper
);
1411 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1413 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1414 nir_print_instr(&instr
->instr
, stderr
);
1415 fprintf(stderr
, "\n");
1420 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1421 if (dst
.size() == 1) {
1422 bld
.vop3(aco_opcode::v_med3_f32
, Definition(dst
), Operand(0u), Operand(0x3f800000u
), src
);
1423 } else if (dst
.size() == 2) {
1424 Instruction
* add
= bld
.vop3(aco_opcode::v_add_f64
, Definition(dst
), src
, Operand(0u));
1425 VOP3A_instruction
* vop3
= static_cast<VOP3A_instruction
*>(add
);
1428 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1429 nir_print_instr(&instr
->instr
, stderr
);
1430 fprintf(stderr
, "\n");
1434 case nir_op_flog2
: {
1435 if (dst
.size() == 1) {
1436 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_log_f32
, dst
);
1438 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1439 nir_print_instr(&instr
->instr
, stderr
);
1440 fprintf(stderr
, "\n");
1445 if (dst
.size() == 1) {
1446 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_rcp_f32
, dst
);
1447 } else if (dst
.size() == 2) {
1448 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_rcp_f64
, dst
);
1450 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1451 nir_print_instr(&instr
->instr
, stderr
);
1452 fprintf(stderr
, "\n");
1456 case nir_op_fexp2
: {
1457 if (dst
.size() == 1) {
1458 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_exp_f32
, dst
);
1460 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1461 nir_print_instr(&instr
->instr
, stderr
);
1462 fprintf(stderr
, "\n");
1466 case nir_op_fsqrt
: {
1467 if (dst
.size() == 1) {
1468 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_sqrt_f32
, dst
);
1469 } else if (dst
.size() == 2) {
1470 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_sqrt_f64
, dst
);
1472 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1473 nir_print_instr(&instr
->instr
, stderr
);
1474 fprintf(stderr
, "\n");
1478 case nir_op_ffract
: {
1479 if (dst
.size() == 1) {
1480 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_fract_f32
, dst
);
1481 } else if (dst
.size() == 2) {
1482 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_fract_f64
, dst
);
1484 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1485 nir_print_instr(&instr
->instr
, stderr
);
1486 fprintf(stderr
, "\n");
1490 case nir_op_ffloor
: {
1491 if (dst
.size() == 1) {
1492 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_floor_f32
, dst
);
1493 } else if (dst
.size() == 2) {
1494 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_floor_f64
, dst
);
1496 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1497 nir_print_instr(&instr
->instr
, stderr
);
1498 fprintf(stderr
, "\n");
1502 case nir_op_fceil
: {
1503 if (dst
.size() == 1) {
1504 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_ceil_f32
, dst
);
1505 } else if (dst
.size() == 2) {
1506 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_ceil_f64
, dst
);
1508 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1509 nir_print_instr(&instr
->instr
, stderr
);
1510 fprintf(stderr
, "\n");
1514 case nir_op_ftrunc
: {
1515 if (dst
.size() == 1) {
1516 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_trunc_f32
, dst
);
1517 } else if (dst
.size() == 2) {
1518 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_trunc_f64
, dst
);
1520 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1521 nir_print_instr(&instr
->instr
, stderr
);
1522 fprintf(stderr
, "\n");
1526 case nir_op_fround_even
: {
1527 if (dst
.size() == 1) {
1528 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_rndne_f32
, dst
);
1529 } else if (dst
.size() == 2) {
1530 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_rndne_f64
, dst
);
1532 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1533 nir_print_instr(&instr
->instr
, stderr
);
1534 fprintf(stderr
, "\n");
1540 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1541 aco_ptr
<Instruction
> norm
;
1542 if (dst
.size() == 1) {
1544 Operand
half_pi(0x3e22f983u
);
1545 if (src
.type() == RegType::sgpr
)
1546 tmp
= bld
.vop2_e64(aco_opcode::v_mul_f32
, bld
.def(v1
), half_pi
, src
);
1548 tmp
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), half_pi
, src
);
1550 /* before GFX9, v_sin_f32 and v_cos_f32 had a valid input domain of [-256, +256] */
1551 if (ctx
->options
->chip_class
< GFX9
)
1552 tmp
= bld
.vop1(aco_opcode::v_fract_f32
, bld
.def(v1
), tmp
);
1554 aco_opcode opcode
= instr
->op
== nir_op_fsin
? aco_opcode::v_sin_f32
: aco_opcode::v_cos_f32
;
1555 bld
.vop1(opcode
, Definition(dst
), tmp
);
1557 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1558 nir_print_instr(&instr
->instr
, stderr
);
1559 fprintf(stderr
, "\n");
1563 case nir_op_ldexp
: {
1564 if (dst
.size() == 1) {
1565 bld
.vop3(aco_opcode::v_ldexp_f32
, Definition(dst
),
1566 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[0])),
1567 get_alu_src(ctx
, instr
->src
[1]));
1568 } else if (dst
.size() == 2) {
1569 bld
.vop3(aco_opcode::v_ldexp_f64
, Definition(dst
),
1570 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[0])),
1571 get_alu_src(ctx
, instr
->src
[1]));
1573 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1574 nir_print_instr(&instr
->instr
, stderr
);
1575 fprintf(stderr
, "\n");
1579 case nir_op_frexp_sig
: {
1580 if (dst
.size() == 1) {
1581 bld
.vop1(aco_opcode::v_frexp_mant_f32
, Definition(dst
),
1582 get_alu_src(ctx
, instr
->src
[0]));
1583 } else if (dst
.size() == 2) {
1584 bld
.vop1(aco_opcode::v_frexp_mant_f64
, Definition(dst
),
1585 get_alu_src(ctx
, instr
->src
[0]));
1587 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1588 nir_print_instr(&instr
->instr
, stderr
);
1589 fprintf(stderr
, "\n");
1593 case nir_op_frexp_exp
: {
1594 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1595 bld
.vop1(aco_opcode::v_frexp_exp_i32_f32
, Definition(dst
),
1596 get_alu_src(ctx
, instr
->src
[0]));
1597 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1598 bld
.vop1(aco_opcode::v_frexp_exp_i32_f64
, Definition(dst
),
1599 get_alu_src(ctx
, instr
->src
[0]));
1601 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1602 nir_print_instr(&instr
->instr
, stderr
);
1603 fprintf(stderr
, "\n");
1607 case nir_op_fsign
: {
1608 Temp src
= as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[0]));
1609 if (dst
.size() == 1) {
1610 Temp cond
= bld
.vopc(aco_opcode::v_cmp_nlt_f32
, bld
.hint_vcc(bld
.def(s2
)), Operand(0u), src
);
1611 src
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0x3f800000u
), src
, cond
);
1612 cond
= bld
.vopc(aco_opcode::v_cmp_le_f32
, bld
.hint_vcc(bld
.def(s2
)), Operand(0u), src
);
1613 bld
.vop2(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0xbf800000u
), src
, cond
);
1614 } else if (dst
.size() == 2) {
1615 Temp cond
= bld
.vopc(aco_opcode::v_cmp_nlt_f64
, bld
.hint_vcc(bld
.def(s2
)), Operand(0u), src
);
1616 Temp tmp
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(0x3FF00000u
));
1617 Temp upper
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), tmp
, src
, cond
);
1619 cond
= bld
.vopc(aco_opcode::v_cmp_le_f64
, bld
.hint_vcc(bld
.def(s2
)), Operand(0u), src
);
1620 tmp
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(0xBFF00000u
));
1621 upper
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), tmp
, upper
, cond
);
1623 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), Operand(0u), upper
);
1625 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1626 nir_print_instr(&instr
->instr
, stderr
);
1627 fprintf(stderr
, "\n");
1631 case nir_op_f2f32
: {
1632 if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1633 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_cvt_f32_f64
, dst
);
1635 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1636 nir_print_instr(&instr
->instr
, stderr
);
1637 fprintf(stderr
, "\n");
1641 case nir_op_f2f64
: {
1642 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1643 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_cvt_f64_f32
, dst
);
1645 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1646 nir_print_instr(&instr
->instr
, stderr
);
1647 fprintf(stderr
, "\n");
1651 case nir_op_i2f32
: {
1652 assert(dst
.size() == 1);
1653 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_cvt_f32_i32
, dst
);
1656 case nir_op_i2f64
: {
1657 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1658 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_cvt_f64_i32
, dst
);
1659 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1660 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1661 RegClass rc
= RegClass(src
.type(), 1);
1662 Temp lower
= bld
.tmp(rc
), upper
= bld
.tmp(rc
);
1663 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), src
);
1664 lower
= bld
.vop1(aco_opcode::v_cvt_f64_u32
, bld
.def(v2
), lower
);
1665 upper
= bld
.vop1(aco_opcode::v_cvt_f64_i32
, bld
.def(v2
), upper
);
1666 upper
= bld
.vop3(aco_opcode::v_ldexp_f64
, bld
.def(v2
), upper
, Operand(32u));
1667 bld
.vop3(aco_opcode::v_add_f64
, Definition(dst
), lower
, upper
);
1670 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1671 nir_print_instr(&instr
->instr
, stderr
);
1672 fprintf(stderr
, "\n");
1676 case nir_op_u2f32
: {
1677 assert(dst
.size() == 1);
1678 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_cvt_f32_u32
, dst
);
1681 case nir_op_u2f64
: {
1682 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1683 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_cvt_f64_u32
, dst
);
1684 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1685 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1686 RegClass rc
= RegClass(src
.type(), 1);
1687 Temp lower
= bld
.tmp(rc
), upper
= bld
.tmp(rc
);
1688 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), src
);
1689 lower
= bld
.vop1(aco_opcode::v_cvt_f64_u32
, bld
.def(v2
), lower
);
1690 upper
= bld
.vop1(aco_opcode::v_cvt_f64_u32
, bld
.def(v2
), upper
);
1691 upper
= bld
.vop3(aco_opcode::v_ldexp_f64
, bld
.def(v2
), upper
, Operand(32u));
1692 bld
.vop3(aco_opcode::v_add_f64
, Definition(dst
), lower
, upper
);
1694 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1695 nir_print_instr(&instr
->instr
, stderr
);
1696 fprintf(stderr
, "\n");
1700 case nir_op_f2i32
: {
1701 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1702 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1703 if (dst
.type() == RegType::vgpr
)
1704 bld
.vop1(aco_opcode::v_cvt_i32_f32
, Definition(dst
), src
);
1706 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
),
1707 bld
.vop1(aco_opcode::v_cvt_i32_f32
, bld
.def(v1
), src
));
1709 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1710 if (dst
.type() == RegType::vgpr
)
1711 bld
.vop1(aco_opcode::v_cvt_i32_f64
, Definition(dst
), src
);
1713 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
),
1714 bld
.vop1(aco_opcode::v_cvt_i32_f64
, bld
.def(v1
), src
));
1717 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1718 nir_print_instr(&instr
->instr
, stderr
);
1719 fprintf(stderr
, "\n");
1723 case nir_op_f2u32
: {
1724 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1725 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1726 if (dst
.type() == RegType::vgpr
)
1727 bld
.vop1(aco_opcode::v_cvt_u32_f32
, Definition(dst
), src
);
1729 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
),
1730 bld
.vop1(aco_opcode::v_cvt_u32_f32
, bld
.def(v1
), src
));
1732 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1733 if (dst
.type() == RegType::vgpr
)
1734 bld
.vop1(aco_opcode::v_cvt_u32_f64
, Definition(dst
), src
);
1736 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
),
1737 bld
.vop1(aco_opcode::v_cvt_u32_f64
, bld
.def(v1
), src
));
1740 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1741 nir_print_instr(&instr
->instr
, stderr
);
1742 fprintf(stderr
, "\n");
1746 case nir_op_f2i64
: {
1747 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1748 if (instr
->src
[0].src
.ssa
->bit_size
== 32 && dst
.type() == RegType::vgpr
) {
1749 Temp exponent
= bld
.vop1(aco_opcode::v_frexp_exp_i32_f32
, bld
.def(v1
), src
);
1750 exponent
= bld
.vop3(aco_opcode::v_med3_i32
, bld
.def(v1
), Operand(0x0u
), exponent
, Operand(64u));
1751 Temp mantissa
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(0x7fffffu
), src
);
1752 Temp sign
= bld
.vop2(aco_opcode::v_ashrrev_i32
, bld
.def(v1
), Operand(31u), src
);
1753 mantissa
= bld
.vop2(aco_opcode::v_or_b32
, bld
.def(v1
), Operand(0x800000u
), mantissa
);
1754 mantissa
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(7u), mantissa
);
1755 mantissa
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
), Operand(0u), mantissa
);
1756 Temp new_exponent
= bld
.tmp(v1
);
1757 Temp borrow
= bld
.vsub32(Definition(new_exponent
), Operand(63u), exponent
, true).def(1).getTemp();
1758 mantissa
= bld
.vop3(aco_opcode::v_lshrrev_b64
, bld
.def(v2
), new_exponent
, mantissa
);
1759 Temp saturate
= bld
.vop1(aco_opcode::v_bfrev_b32
, bld
.def(v1
), Operand(0xfffffffeu
));
1760 Temp lower
= bld
.tmp(v1
), upper
= bld
.tmp(v1
);
1761 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), mantissa
);
1762 lower
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), lower
, Operand(0xffffffffu
), borrow
);
1763 upper
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), upper
, saturate
, borrow
);
1764 lower
= bld
.vop2(aco_opcode::v_xor_b32
, bld
.def(v1
), sign
, lower
);
1765 upper
= bld
.vop2(aco_opcode::v_xor_b32
, bld
.def(v1
), sign
, upper
);
1766 Temp new_lower
= bld
.tmp(v1
);
1767 borrow
= bld
.vsub32(Definition(new_lower
), lower
, sign
, true).def(1).getTemp();
1768 Temp new_upper
= bld
.vsub32(bld
.def(v1
), upper
, sign
, false, borrow
);
1769 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), new_lower
, new_upper
);
1771 } else if (instr
->src
[0].src
.ssa
->bit_size
== 32 && dst
.type() == RegType::sgpr
) {
1772 if (src
.type() == RegType::vgpr
)
1773 src
= bld
.as_uniform(src
);
1774 Temp exponent
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
), src
, Operand(0x80017u
));
1775 exponent
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.def(s1
, scc
), exponent
, Operand(126u));
1776 exponent
= bld
.sop2(aco_opcode::s_max_u32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0u), exponent
);
1777 exponent
= bld
.sop2(aco_opcode::s_min_u32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(64u), exponent
);
1778 Temp mantissa
= bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0x7fffffu
), src
);
1779 Temp sign
= bld
.sop2(aco_opcode::s_ashr_i32
, bld
.def(s1
), bld
.def(s1
, scc
), src
, Operand(31u));
1780 mantissa
= bld
.sop2(aco_opcode::s_or_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0x800000u
), mantissa
);
1781 mantissa
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), mantissa
, Operand(7u));
1782 mantissa
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(0u), mantissa
);
1783 exponent
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(63u), exponent
);
1784 mantissa
= bld
.sop2(aco_opcode::s_lshr_b64
, bld
.def(s2
), bld
.def(s1
, scc
), mantissa
, exponent
);
1785 Temp cond
= bld
.sopc(aco_opcode::s_cmp_eq_u32
, bld
.def(s1
, scc
), exponent
, Operand(0xffffffffu
)); // exp >= 64
1786 Temp saturate
= bld
.sop1(aco_opcode::s_brev_b64
, bld
.def(s2
), Operand(0xfffffffeu
));
1787 mantissa
= bld
.sop2(aco_opcode::s_cselect_b64
, bld
.def(s2
), saturate
, mantissa
, cond
);
1788 Temp lower
= bld
.tmp(s1
), upper
= bld
.tmp(s1
);
1789 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), mantissa
);
1790 lower
= bld
.sop2(aco_opcode::s_xor_b32
, bld
.def(s1
), bld
.def(s1
, scc
), sign
, lower
);
1791 upper
= bld
.sop2(aco_opcode::s_xor_b32
, bld
.def(s1
), bld
.def(s1
, scc
), sign
, upper
);
1792 Temp borrow
= bld
.tmp(s1
);
1793 lower
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.scc(Definition(borrow
)), lower
, sign
);
1794 upper
= bld
.sop2(aco_opcode::s_subb_u32
, bld
.def(s1
), bld
.def(s1
, scc
), upper
, sign
, borrow
);
1795 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1797 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1798 Temp vec
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(0u), Operand(0x3df00000u
));
1799 Temp trunc
= bld
.vop1(aco_opcode::v_trunc_f64
, bld
.def(v2
), src
);
1800 Temp mul
= bld
.vop3(aco_opcode::v_mul_f64
, bld
.def(v2
), trunc
, vec
);
1801 vec
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(0u), Operand(0xc1f00000u
));
1802 Temp floor
= bld
.vop1(aco_opcode::v_floor_f64
, bld
.def(v2
), mul
);
1803 Temp fma
= bld
.vop3(aco_opcode::v_fma_f64
, bld
.def(v2
), floor
, vec
, trunc
);
1804 Temp lower
= bld
.vop1(aco_opcode::v_cvt_u32_f64
, bld
.def(v1
), fma
);
1805 Temp upper
= bld
.vop1(aco_opcode::v_cvt_i32_f64
, bld
.def(v1
), floor
);
1806 if (dst
.type() == RegType::sgpr
) {
1807 lower
= bld
.as_uniform(lower
);
1808 upper
= bld
.as_uniform(upper
);
1810 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1813 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1814 nir_print_instr(&instr
->instr
, stderr
);
1815 fprintf(stderr
, "\n");
1819 case nir_op_f2u64
: {
1820 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1821 if (instr
->src
[0].src
.ssa
->bit_size
== 32 && dst
.type() == RegType::vgpr
) {
1822 Temp exponent
= bld
.vop1(aco_opcode::v_frexp_exp_i32_f32
, bld
.def(v1
), src
);
1823 Temp exponent_in_range
= bld
.vopc(aco_opcode::v_cmp_ge_i32
, bld
.hint_vcc(bld
.def(s2
)), Operand(64u), exponent
);
1824 exponent
= bld
.vop2(aco_opcode::v_max_i32
, bld
.def(v1
), Operand(0x0u
), exponent
);
1825 Temp mantissa
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(0x7fffffu
), src
);
1826 mantissa
= bld
.vop2(aco_opcode::v_or_b32
, bld
.def(v1
), Operand(0x800000u
), mantissa
);
1827 Temp exponent_small
= bld
.vsub32(bld
.def(v1
), Operand(24u), exponent
);
1828 Temp small
= bld
.vop2(aco_opcode::v_lshrrev_b32
, bld
.def(v1
), exponent_small
, mantissa
);
1829 mantissa
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
), Operand(0u), mantissa
);
1830 Temp new_exponent
= bld
.tmp(v1
);
1831 Temp cond_small
= bld
.vsub32(Definition(new_exponent
), exponent
, Operand(24u), true).def(1).getTemp();
1832 mantissa
= bld
.vop3(aco_opcode::v_lshlrev_b64
, bld
.def(v2
), new_exponent
, mantissa
);
1833 Temp lower
= bld
.tmp(v1
), upper
= bld
.tmp(v1
);
1834 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), mantissa
);
1835 lower
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), lower
, small
, cond_small
);
1836 upper
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), upper
, Operand(0u), cond_small
);
1837 lower
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0xffffffffu
), lower
, exponent_in_range
);
1838 upper
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0xffffffffu
), upper
, exponent_in_range
);
1839 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1841 } else if (instr
->src
[0].src
.ssa
->bit_size
== 32 && dst
.type() == RegType::sgpr
) {
1842 if (src
.type() == RegType::vgpr
)
1843 src
= bld
.as_uniform(src
);
1844 Temp exponent
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
), src
, Operand(0x80017u
));
1845 exponent
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.def(s1
, scc
), exponent
, Operand(126u));
1846 exponent
= bld
.sop2(aco_opcode::s_max_u32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0u), exponent
);
1847 Temp mantissa
= bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0x7fffffu
), src
);
1848 mantissa
= bld
.sop2(aco_opcode::s_or_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0x800000u
), mantissa
);
1849 Temp exponent_small
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(24u), exponent
);
1850 Temp small
= bld
.sop2(aco_opcode::s_lshr_b32
, bld
.def(s1
), bld
.def(s1
, scc
), mantissa
, exponent_small
);
1851 mantissa
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(0u), mantissa
);
1852 Temp exponent_large
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.def(s1
, scc
), exponent
, Operand(24u));
1853 mantissa
= bld
.sop2(aco_opcode::s_lshl_b64
, bld
.def(s2
), bld
.def(s1
, scc
), mantissa
, exponent_large
);
1854 Temp cond
= bld
.sopc(aco_opcode::s_cmp_ge_i32
, bld
.def(s1
, scc
), Operand(64u), exponent
);
1855 mantissa
= bld
.sop2(aco_opcode::s_cselect_b64
, bld
.def(s2
), mantissa
, Operand(0xffffffffu
), cond
);
1856 Temp lower
= bld
.tmp(s1
), upper
= bld
.tmp(s1
);
1857 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), mantissa
);
1858 Temp cond_small
= bld
.sopc(aco_opcode::s_cmp_le_i32
, bld
.def(s1
, scc
), exponent
, Operand(24u));
1859 lower
= bld
.sop2(aco_opcode::s_cselect_b32
, bld
.def(s1
), small
, lower
, cond_small
);
1860 upper
= bld
.sop2(aco_opcode::s_cselect_b32
, bld
.def(s1
), Operand(0u), upper
, cond_small
);
1861 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1863 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1864 Temp vec
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(0u), Operand(0x3df00000u
));
1865 Temp trunc
= bld
.vop1(aco_opcode::v_trunc_f64
, bld
.def(v2
), src
);
1866 Temp mul
= bld
.vop3(aco_opcode::v_mul_f64
, bld
.def(v2
), trunc
, vec
);
1867 vec
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(0u), Operand(0xc1f00000u
));
1868 Temp floor
= bld
.vop1(aco_opcode::v_floor_f64
, bld
.def(v2
), mul
);
1869 Temp fma
= bld
.vop3(aco_opcode::v_fma_f64
, bld
.def(v2
), floor
, vec
, trunc
);
1870 Temp lower
= bld
.vop1(aco_opcode::v_cvt_u32_f64
, bld
.def(v1
), fma
);
1871 Temp upper
= bld
.vop1(aco_opcode::v_cvt_u32_f64
, bld
.def(v1
), floor
);
1872 if (dst
.type() == RegType::sgpr
) {
1873 lower
= bld
.as_uniform(lower
);
1874 upper
= bld
.as_uniform(upper
);
1876 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1879 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1880 nir_print_instr(&instr
->instr
, stderr
);
1881 fprintf(stderr
, "\n");
1885 case nir_op_b2f32
: {
1886 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1887 if (dst
.regClass() == s1
) {
1888 src
= as_uniform_bool(ctx
, src
);
1889 bld
.sop2(aco_opcode::s_mul_i32
, Definition(dst
), Operand(0x3f800000u
), src
);
1890 } else if (dst
.regClass() == v1
) {
1891 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0u), Operand(0x3f800000u
),
1892 as_divergent_bool(ctx
, src
, true));
1894 unreachable("Wrong destination register class for nir_op_b2f32.");
1898 case nir_op_b2f64
: {
1899 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1900 if (dst
.regClass() == s2
) {
1901 src
= as_uniform_bool(ctx
, src
);
1902 bld
.sop2(aco_opcode::s_cselect_b64
, Definition(dst
), Operand(0x3f800000u
), Operand(0u), bld
.scc(src
));
1903 } else if (dst
.regClass() == v2
) {
1904 Temp one
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v2
), Operand(0x3FF00000u
));
1905 Temp upper
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0u), one
,
1906 as_divergent_bool(ctx
, src
, true));
1907 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), Operand(0u), upper
);
1909 unreachable("Wrong destination register class for nir_op_b2f64.");
1913 case nir_op_i2i32
: {
1914 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1915 if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1916 /* we can actually just say dst = src, as it would map the lower register */
1917 emit_extract_vector(ctx
, src
, 0, dst
);
1919 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1920 nir_print_instr(&instr
->instr
, stderr
);
1921 fprintf(stderr
, "\n");
1925 case nir_op_u2u32
: {
1926 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1927 if (instr
->src
[0].src
.ssa
->bit_size
== 16) {
1928 if (dst
.regClass() == s1
) {
1929 bld
.sop2(aco_opcode::s_and_b32
, Definition(dst
), bld
.def(s1
, scc
), Operand(0xFFFFu
), src
);
1931 // TODO: do better with SDWA
1932 bld
.vop2(aco_opcode::v_and_b32
, Definition(dst
), Operand(0xFFFFu
), src
);
1934 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1935 /* we can actually just say dst = src, as it would map the lower register */
1936 emit_extract_vector(ctx
, src
, 0, dst
);
1938 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1939 nir_print_instr(&instr
->instr
, stderr
);
1940 fprintf(stderr
, "\n");
1944 case nir_op_i2i64
: {
1945 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1946 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1947 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), src
, Operand(0u));
1949 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1950 nir_print_instr(&instr
->instr
, stderr
);
1951 fprintf(stderr
, "\n");
1955 case nir_op_u2u64
: {
1956 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1957 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1958 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), src
, Operand(0u));
1960 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1961 nir_print_instr(&instr
->instr
, stderr
);
1962 fprintf(stderr
, "\n");
1966 case nir_op_b2i32
: {
1967 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1968 if (dst
.regClass() == s1
) {
1969 if (src
.regClass() == s1
) {
1970 bld
.copy(Definition(dst
), src
);
1972 // TODO: in a post-RA optimization, we can check if src is in VCC, and directly use VCCNZ
1973 assert(src
.regClass() == s2
);
1974 bld
.sopc(aco_opcode::s_cmp_lg_u64
, bld
.scc(Definition(dst
)), Operand(0u), src
);
1977 assert(dst
.regClass() == v1
&& src
.regClass() == s2
);
1978 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0u), Operand(1u), src
);
1983 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1984 if (dst
.regClass() == s2
) {
1985 assert(src
.regClass() == v1
|| src
.regClass() == v2
);
1986 bld
.vopc(src
.size() == 2 ? aco_opcode::v_cmp_lg_u64
: aco_opcode::v_cmp_lg_u32
,
1987 Definition(dst
), Operand(0u), src
).def(0).setHint(vcc
);
1989 assert(src
.regClass() == s1
&& dst
.regClass() == s1
);
1990 bld
.sopc(aco_opcode::s_cmp_lg_u32
, bld
.scc(Definition(dst
)), Operand(0u), src
);
1994 case nir_op_pack_64_2x32_split
: {
1995 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
1996 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
1998 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), src0
, src1
);
2001 case nir_op_unpack_64_2x32_split_x
:
2002 bld
.pseudo(aco_opcode::p_split_vector
, Definition(dst
), bld
.def(dst
.regClass()), get_alu_src(ctx
, instr
->src
[0]));
2004 case nir_op_unpack_64_2x32_split_y
:
2005 bld
.pseudo(aco_opcode::p_split_vector
, bld
.def(dst
.regClass()), Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
2007 case nir_op_pack_half_2x16
: {
2008 Temp src
= get_alu_src(ctx
, instr
->src
[0], 2);
2010 if (dst
.regClass() == v1
) {
2011 Temp src0
= bld
.tmp(v1
);
2012 Temp src1
= bld
.tmp(v1
);
2013 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src0
), Definition(src1
), src
);
2014 bld
.vop3(aco_opcode::v_cvt_pkrtz_f16_f32
, Definition(dst
), src0
, src1
);
2017 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2018 nir_print_instr(&instr
->instr
, stderr
);
2019 fprintf(stderr
, "\n");
2023 case nir_op_unpack_half_2x16_split_x
: {
2024 if (dst
.regClass() == v1
) {
2025 Builder
bld(ctx
->program
, ctx
->block
);
2026 bld
.vop1(aco_opcode::v_cvt_f32_f16
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
2028 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2029 nir_print_instr(&instr
->instr
, stderr
);
2030 fprintf(stderr
, "\n");
2034 case nir_op_unpack_half_2x16_split_y
: {
2035 if (dst
.regClass() == v1
) {
2036 Builder
bld(ctx
->program
, ctx
->block
);
2037 /* TODO: use SDWA here */
2038 bld
.vop1(aco_opcode::v_cvt_f32_f16
, Definition(dst
),
2039 bld
.vop2(aco_opcode::v_lshrrev_b32
, bld
.def(v1
), Operand(16u), as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[0]))));
2041 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2042 nir_print_instr(&instr
->instr
, stderr
);
2043 fprintf(stderr
, "\n");
2047 case nir_op_fquantize2f16
: {
2048 Temp f16
= bld
.vop1(aco_opcode::v_cvt_f16_f32
, bld
.def(v1
), get_alu_src(ctx
, instr
->src
[0]));
2050 Temp mask
= bld
.copy(bld
.def(s1
), Operand(0x36Fu
)); /* value is NOT negative/positive denormal value */
2052 Temp cmp_res
= bld
.tmp(s2
);
2053 bld
.vopc_e64(aco_opcode::v_cmp_class_f16
, Definition(cmp_res
), f16
, mask
).def(0).setHint(vcc
);
2055 Temp f32
= bld
.vop1(aco_opcode::v_cvt_f32_f16
, bld
.def(v1
), f16
);
2057 bld
.vop2(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0u), f32
, cmp_res
);
2061 Temp bits
= get_alu_src(ctx
, instr
->src
[0]);
2062 Temp offset
= get_alu_src(ctx
, instr
->src
[1]);
2064 if (dst
.regClass() == s1
) {
2065 bld
.sop2(aco_opcode::s_bfm_b32
, Definition(dst
), bits
, offset
);
2066 } else if (dst
.regClass() == v1
) {
2067 bld
.vop3(aco_opcode::v_bfm_b32
, Definition(dst
), bits
, offset
);
2069 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2070 nir_print_instr(&instr
->instr
, stderr
);
2071 fprintf(stderr
, "\n");
2075 case nir_op_bitfield_select
: {
2076 /* (mask & insert) | (~mask & base) */
2077 Temp bitmask
= get_alu_src(ctx
, instr
->src
[0]);
2078 Temp insert
= get_alu_src(ctx
, instr
->src
[1]);
2079 Temp base
= get_alu_src(ctx
, instr
->src
[2]);
2081 /* dst = (insert & bitmask) | (base & ~bitmask) */
2082 if (dst
.regClass() == s1
) {
2083 aco_ptr
<Instruction
> sop2
;
2084 nir_const_value
* const_bitmask
= nir_src_as_const_value(instr
->src
[0].src
);
2085 nir_const_value
* const_insert
= nir_src_as_const_value(instr
->src
[1].src
);
2087 if (const_insert
&& const_bitmask
) {
2088 lhs
= Operand(const_insert
->u32
& const_bitmask
->u32
);
2090 insert
= bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), insert
, bitmask
);
2091 lhs
= Operand(insert
);
2095 nir_const_value
* const_base
= nir_src_as_const_value(instr
->src
[2].src
);
2096 if (const_base
&& const_bitmask
) {
2097 rhs
= Operand(const_base
->u32
& ~const_bitmask
->u32
);
2099 base
= bld
.sop2(aco_opcode::s_andn2_b32
, bld
.def(s1
), bld
.def(s1
, scc
), base
, bitmask
);
2100 rhs
= Operand(base
);
2103 bld
.sop2(aco_opcode::s_or_b32
, Definition(dst
), bld
.def(s1
, scc
), rhs
, lhs
);
2105 } else if (dst
.regClass() == v1
) {
2106 if (base
.type() == RegType::sgpr
&& (bitmask
.type() == RegType::sgpr
|| (insert
.type() == RegType::sgpr
)))
2107 base
= as_vgpr(ctx
, base
);
2108 if (insert
.type() == RegType::sgpr
&& bitmask
.type() == RegType::sgpr
)
2109 insert
= as_vgpr(ctx
, insert
);
2111 bld
.vop3(aco_opcode::v_bfi_b32
, Definition(dst
), bitmask
, insert
, base
);
2114 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2115 nir_print_instr(&instr
->instr
, stderr
);
2116 fprintf(stderr
, "\n");
2122 Temp base
= get_alu_src(ctx
, instr
->src
[0]);
2123 Temp offset
= get_alu_src(ctx
, instr
->src
[1]);
2124 Temp bits
= get_alu_src(ctx
, instr
->src
[2]);
2126 if (dst
.type() == RegType::sgpr
) {
2128 nir_const_value
* const_offset
= nir_src_as_const_value(instr
->src
[1].src
);
2129 nir_const_value
* const_bits
= nir_src_as_const_value(instr
->src
[2].src
);
2130 if (const_offset
&& const_bits
) {
2131 uint32_t const_extract
= (const_bits
->u32
<< 16) | const_offset
->u32
;
2132 extract
= Operand(const_extract
);
2136 width
= Operand(const_bits
->u32
<< 16);
2138 width
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), bits
, Operand(16u));
2140 extract
= bld
.sop2(aco_opcode::s_or_b32
, bld
.def(s1
), bld
.def(s1
, scc
), offset
, width
);
2144 if (dst
.regClass() == s1
) {
2145 if (instr
->op
== nir_op_ubfe
)
2146 opcode
= aco_opcode::s_bfe_u32
;
2148 opcode
= aco_opcode::s_bfe_i32
;
2149 } else if (dst
.regClass() == s2
) {
2150 if (instr
->op
== nir_op_ubfe
)
2151 opcode
= aco_opcode::s_bfe_u64
;
2153 opcode
= aco_opcode::s_bfe_i64
;
2155 unreachable("Unsupported BFE bit size");
2158 bld
.sop2(opcode
, Definition(dst
), bld
.def(s1
, scc
), base
, extract
);
2162 if (dst
.regClass() == v1
) {
2163 if (instr
->op
== nir_op_ubfe
)
2164 opcode
= aco_opcode::v_bfe_u32
;
2166 opcode
= aco_opcode::v_bfe_i32
;
2168 unreachable("Unsupported BFE bit size");
2171 emit_vop3a_instruction(ctx
, instr
, opcode
, dst
);
2175 case nir_op_bit_count
: {
2176 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
2177 if (src
.regClass() == s1
) {
2178 bld
.sop1(aco_opcode::s_bcnt1_i32_b32
, Definition(dst
), bld
.def(s1
, scc
), src
);
2179 } else if (src
.regClass() == v1
) {
2180 bld
.vop3(aco_opcode::v_bcnt_u32_b32
, Definition(dst
), src
, Operand(0u));
2181 } else if (src
.regClass() == v2
) {
2182 bld
.vop3(aco_opcode::v_bcnt_u32_b32
, Definition(dst
),
2183 emit_extract_vector(ctx
, src
, 1, v1
),
2184 bld
.vop3(aco_opcode::v_bcnt_u32_b32
, bld
.def(v1
),
2185 emit_extract_vector(ctx
, src
, 0, v1
), Operand(0u)));
2186 } else if (src
.regClass() == s2
) {
2187 bld
.sop1(aco_opcode::s_bcnt1_i32_b64
, Definition(dst
), bld
.def(s1
, scc
), src
);
2189 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2190 nir_print_instr(&instr
->instr
, stderr
);
2191 fprintf(stderr
, "\n");
2196 if (instr
->src
[0].src
.ssa
->bit_size
== 32)
2197 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_lt_f32
, dst
);
2198 else if (instr
->src
[0].src
.ssa
->bit_size
== 64)
2199 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_lt_f64
, dst
);
2203 if (instr
->src
[0].src
.ssa
->bit_size
== 32)
2204 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_ge_f32
, dst
);
2205 else if (instr
->src
[0].src
.ssa
->bit_size
== 64)
2206 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_ge_f64
, dst
);
2210 if (instr
->src
[0].src
.ssa
->bit_size
== 32)
2211 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_eq_f32
, dst
);
2212 else if (instr
->src
[0].src
.ssa
->bit_size
== 64)
2213 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_eq_f64
, dst
);
2217 if (instr
->src
[0].src
.ssa
->bit_size
== 32)
2218 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_neq_f32
, dst
);
2219 else if (instr
->src
[0].src
.ssa
->bit_size
== 64)
2220 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_neq_f64
, dst
);
2224 if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 32)
2225 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_lt_i32
, dst
);
2226 else if (dst
.regClass() == s1
&& instr
->src
[0].src
.ssa
->bit_size
== 32)
2227 emit_comparison(ctx
, instr
, aco_opcode::s_cmp_lt_i32
, dst
);
2228 else if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 64)
2229 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_lt_i64
, dst
);
2233 if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 32)
2234 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_ge_i32
, dst
);
2235 else if (dst
.regClass() == s1
&& instr
->src
[0].src
.ssa
->bit_size
== 32)
2236 emit_comparison(ctx
, instr
, aco_opcode::s_cmp_ge_i32
, dst
);
2237 else if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 64)
2238 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_ge_i64
, dst
);
2242 if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 32) {
2243 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_eq_i32
, dst
);
2244 } else if (dst
.regClass() == s1
&& instr
->src
[0].src
.ssa
->bit_size
== 32) {
2245 emit_comparison(ctx
, instr
, aco_opcode::s_cmp_eq_i32
, dst
);
2246 } else if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 64) {
2247 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_eq_i64
, dst
);
2248 } else if (dst
.regClass() == s1
&& instr
->src
[0].src
.ssa
->bit_size
== 64) {
2249 emit_comparison(ctx
, instr
, aco_opcode::s_cmp_eq_u64
, dst
);
2250 } else if (dst
.regClass() == s1
&& instr
->src
[0].src
.ssa
->bit_size
== 1) {
2251 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
2252 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
2253 bld
.sopc(aco_opcode::s_cmp_eq_i32
, bld
.scc(Definition(dst
)),
2254 as_uniform_bool(ctx
, src0
), as_uniform_bool(ctx
, src1
));
2255 } else if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 1) {
2256 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
2257 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
2258 bld
.sop2(aco_opcode::s_xnor_b64
, Definition(dst
), bld
.def(s1
, scc
),
2259 as_divergent_bool(ctx
, src0
, false), as_divergent_bool(ctx
, src1
, false));
2261 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2262 nir_print_instr(&instr
->instr
, stderr
);
2263 fprintf(stderr
, "\n");
2268 if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 32) {
2269 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_lg_i32
, dst
);
2270 } else if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 64) {
2271 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_lg_i64
, dst
);
2272 } else if (dst
.regClass() == s1
&& instr
->src
[0].src
.ssa
->bit_size
== 32) {
2273 emit_comparison(ctx
, instr
, aco_opcode::s_cmp_lg_i32
, dst
);
2274 } else if (dst
.regClass() == s1
&& instr
->src
[0].src
.ssa
->bit_size
== 64) {
2275 emit_comparison(ctx
, instr
, aco_opcode::s_cmp_lg_u64
, dst
);
2276 } else if (dst
.regClass() == s1
&& instr
->src
[0].src
.ssa
->bit_size
== 1) {
2277 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
2278 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
2279 bld
.sopc(aco_opcode::s_cmp_lg_i32
, bld
.scc(Definition(dst
)),
2280 as_uniform_bool(ctx
, src0
), as_uniform_bool(ctx
, src1
));
2281 } else if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 1) {
2282 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
2283 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
2284 bld
.sop2(aco_opcode::s_xor_b64
, Definition(dst
), bld
.def(s1
, scc
),
2285 as_divergent_bool(ctx
, src0
, false), as_divergent_bool(ctx
, src1
, false));
2287 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2288 nir_print_instr(&instr
->instr
, stderr
);
2289 fprintf(stderr
, "\n");
2294 if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 32)
2295 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_lt_u32
, dst
);
2296 else if (dst
.regClass() == s1
&& instr
->src
[0].src
.ssa
->bit_size
== 32)
2297 emit_comparison(ctx
, instr
, aco_opcode::s_cmp_lt_u32
, dst
);
2298 else if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 64)
2299 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_lt_u64
, dst
);
2303 if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 32)
2304 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_ge_u32
, dst
);
2305 else if (dst
.regClass() == s1
&& instr
->src
[0].src
.ssa
->bit_size
== 32)
2306 emit_comparison(ctx
, instr
, aco_opcode::s_cmp_ge_u32
, dst
);
2307 else if (dst
.regClass() == s2
&& instr
->src
[0].src
.ssa
->bit_size
== 64)
2308 emit_comparison(ctx
, instr
, aco_opcode::v_cmp_ge_u64
, dst
);
2313 case nir_op_fddx_fine
:
2314 case nir_op_fddy_fine
:
2315 case nir_op_fddx_coarse
:
2316 case nir_op_fddy_coarse
: {
2317 Definition tl
= bld
.def(v1
);
2319 if (instr
->op
== nir_op_fddx_fine
) {
2320 bld
.vop1_dpp(aco_opcode::v_mov_b32
, tl
, get_alu_src(ctx
, instr
->src
[0]), dpp_quad_perm(0, 0, 2, 2));
2321 dpp_ctrl
= dpp_quad_perm(1, 1, 3, 3);
2322 } else if (instr
->op
== nir_op_fddy_fine
) {
2323 bld
.vop1_dpp(aco_opcode::v_mov_b32
, tl
, get_alu_src(ctx
, instr
->src
[0]), dpp_quad_perm(0, 1, 0, 1));
2324 dpp_ctrl
= dpp_quad_perm(2, 3, 2, 3);
2326 bld
.vop1_dpp(aco_opcode::v_mov_b32
, tl
, get_alu_src(ctx
, instr
->src
[0]), dpp_quad_perm(0, 0, 0, 0));
2327 if (instr
->op
== nir_op_fddx
|| instr
->op
== nir_op_fddx_coarse
)
2328 dpp_ctrl
= dpp_quad_perm(1, 1, 1, 1);
2330 dpp_ctrl
= dpp_quad_perm(2, 2, 2, 2);
2333 Definition tmp
= bld
.def(v1
);
2334 bld
.vop2_dpp(aco_opcode::v_sub_f32
, tmp
, get_alu_src(ctx
, instr
->src
[0]), tl
.getTemp(), dpp_ctrl
);
2335 emit_wqm(ctx
, tmp
.getTemp(), dst
, true);
2339 fprintf(stderr
, "Unknown NIR ALU instr: ");
2340 nir_print_instr(&instr
->instr
, stderr
);
2341 fprintf(stderr
, "\n");
2345 void visit_load_const(isel_context
*ctx
, nir_load_const_instr
*instr
)
2347 Temp dst
= get_ssa_temp(ctx
, &instr
->def
);
2349 // TODO: we really want to have the resulting type as this would allow for 64bit literals
2350 // which get truncated the lsb if double and msb if int
2351 // for now, we only use s_mov_b64 with 64bit inline constants
2352 assert(instr
->def
.num_components
== 1 && "Vector load_const should be lowered to scalar.");
2353 assert(dst
.type() == RegType::sgpr
);
2355 if (dst
.size() == 1)
2357 Builder(ctx
->program
, ctx
->block
).copy(Definition(dst
), Operand(instr
->value
[0].u32
));
2359 assert(dst
.size() != 1);
2360 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, dst
.size(), 1)};
2361 if (instr
->def
.bit_size
== 64)
2362 for (unsigned i
= 0; i
< dst
.size(); i
++)
2363 vec
->operands
[i
] = Operand
{(uint32_t)(instr
->value
[0].u64
>> i
* 32)};
2365 for (unsigned i
= 0; i
< dst
.size(); i
++)
2366 vec
->operands
[i
] = Operand
{instr
->value
[i
].u32
};
2368 vec
->definitions
[0] = Definition(dst
);
2369 ctx
->block
->instructions
.emplace_back(std::move(vec
));
2373 uint32_t widen_mask(uint32_t mask
, unsigned multiplier
)
2375 uint32_t new_mask
= 0;
2376 for(unsigned i
= 0; i
< 32 && (1u << i
) <= mask
; ++i
)
2377 if (mask
& (1u << i
))
2378 new_mask
|= ((1u << multiplier
) - 1u) << (i
* multiplier
);
2382 void visit_store_vs_output(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
2384 /* This wouldn't work inside control flow or with indirect offsets but
2385 * that doesn't happen because of nir_lower_io_to_temporaries(). */
2387 unsigned write_mask
= nir_intrinsic_write_mask(instr
);
2388 unsigned component
= nir_intrinsic_component(instr
);
2389 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
2390 unsigned idx
= nir_intrinsic_base(instr
) + component
;
2392 nir_instr
*off_instr
= instr
->src
[1].ssa
->parent_instr
;
2393 if (off_instr
->type
!= nir_instr_type_load_const
) {
2394 fprintf(stderr
, "Unimplemented nir_intrinsic_load_input offset\n");
2395 nir_print_instr(off_instr
, stderr
);
2396 fprintf(stderr
, "\n");
2398 idx
+= nir_instr_as_load_const(off_instr
)->value
[0].u32
* 4u;
2400 if (instr
->src
[0].ssa
->bit_size
== 64)
2401 write_mask
= widen_mask(write_mask
, 2);
2403 for (unsigned i
= 0; i
< 8; ++i
) {
2404 if (write_mask
& (1 << i
)) {
2405 ctx
->vs_output
.mask
[idx
/ 4u] |= 1 << (idx
% 4u);
2406 ctx
->vs_output
.outputs
[idx
/ 4u][idx
% 4u] = emit_extract_vector(ctx
, src
, i
, v1
);
2412 void visit_store_fs_output(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
2414 unsigned write_mask
= nir_intrinsic_write_mask(instr
);
2416 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
2417 for (unsigned i
= 0; i
< 4; ++i
) {
2418 if (write_mask
& (1 << i
)) {
2419 Temp tmp
= emit_extract_vector(ctx
, src
, i
, v1
);
2420 values
[i
] = Operand(tmp
);
2422 values
[i
] = Operand(v1
);
2426 unsigned index
= nir_intrinsic_base(instr
) / 4;
2427 unsigned target
, col_format
;
2428 unsigned enabled_channels
= 0xF;
2429 aco_opcode compr_op
= (aco_opcode
)0;
2431 nir_const_value
* offset
= nir_src_as_const_value(instr
->src
[1]);
2432 assert(offset
&& "Non-const offsets on exports not yet supported");
2433 index
+= offset
->u32
;
2435 assert(index
!= FRAG_RESULT_COLOR
);
2437 /* Unlike vertex shader exports, it's fine to use multiple exports to
2438 * export separate channels of one target. So shaders which export both
2439 * FRAG_RESULT_SAMPLE_MASK and FRAG_RESULT_DEPTH should work fine.
2440 * TODO: combine the exports in those cases and create better code
2443 if (index
== FRAG_RESULT_SAMPLE_MASK
) {
2445 if (ctx
->program
->info
->ps
.writes_z
) {
2446 target
= V_008DFC_SQ_EXP_MRTZ
;
2447 enabled_channels
= 0x4;
2448 col_format
= (unsigned) -1;
2450 values
[2] = values
[0];
2451 values
[0] = Operand(v1
);
2453 aco_ptr
<Export_instruction
> exp
{create_instruction
<Export_instruction
>(aco_opcode::exp
, Format::EXP
, 4, 0)};
2454 exp
->valid_mask
= false;
2456 exp
->compressed
= true;
2457 exp
->dest
= V_008DFC_SQ_EXP_MRTZ
;
2458 exp
->enabled_mask
= 0xc;
2459 for (int i
= 0; i
< 4; i
++)
2460 exp
->operands
[i
] = Operand(v1
);
2461 exp
->operands
[1] = Operand(values
[0]);
2462 ctx
->block
->instructions
.emplace_back(std::move(exp
));
2466 } else if (index
== FRAG_RESULT_DEPTH
) {
2468 target
= V_008DFC_SQ_EXP_MRTZ
;
2469 enabled_channels
= 0x1;
2470 col_format
= (unsigned) -1;
2472 } else if (index
== FRAG_RESULT_STENCIL
) {
2474 if (ctx
->program
->info
->ps
.writes_z
) {
2475 target
= V_008DFC_SQ_EXP_MRTZ
;
2476 enabled_channels
= 0x2;
2477 col_format
= (unsigned) -1;
2479 values
[1] = values
[0];
2480 values
[0] = Operand(v1
);
2482 aco_ptr
<Instruction
> shift
{create_instruction
<VOP2_instruction
>(aco_opcode::v_lshlrev_b32
, Format::VOP2
, 2, 1)};
2483 shift
->operands
[0] = Operand((uint32_t) 16);
2484 shift
->operands
[1] = values
[0];
2485 Temp tmp
= {ctx
->program
->allocateId(), v1
};
2486 shift
->definitions
[0] = Definition(tmp
);
2487 ctx
->block
->instructions
.emplace_back(std::move(shift
));
2489 aco_ptr
<Export_instruction
> exp
{create_instruction
<Export_instruction
>(aco_opcode::exp
, Format::EXP
, 4, 0)};
2490 exp
->valid_mask
= false;
2492 exp
->compressed
= true;
2493 exp
->dest
= V_008DFC_SQ_EXP_MRTZ
;
2494 exp
->enabled_mask
= 0x3;
2495 exp
->operands
[0] = Operand(tmp
);
2496 for (int i
= 1; i
< 4; i
++)
2497 exp
->operands
[i
] = Operand(v1
);
2498 ctx
->block
->instructions
.emplace_back(std::move(exp
));
2503 index
-= FRAG_RESULT_DATA0
;
2504 target
= V_008DFC_SQ_EXP_MRT
+ index
;
2505 col_format
= (ctx
->options
->key
.fs
.col_format
>> (4 * index
)) & 0xf;
2507 ASSERTED
bool is_int8
= (ctx
->options
->key
.fs
.is_int8
>> index
) & 1;
2508 ASSERTED
bool is_int10
= (ctx
->options
->key
.fs
.is_int10
>> index
) & 1;
2509 assert(!is_int8
&& !is_int10
);
2513 case V_028714_SPI_SHADER_ZERO
:
2514 enabled_channels
= 0; /* writemask */
2515 target
= V_008DFC_SQ_EXP_NULL
;
2518 case V_028714_SPI_SHADER_32_R
:
2519 enabled_channels
= 1;
2522 case V_028714_SPI_SHADER_32_GR
:
2523 enabled_channels
= 0x3;
2526 case V_028714_SPI_SHADER_32_AR
:
2527 enabled_channels
= 0x9;
2530 case V_028714_SPI_SHADER_FP16_ABGR
:
2531 enabled_channels
= 0x5;
2532 compr_op
= aco_opcode::v_cvt_pkrtz_f16_f32
;
2535 case V_028714_SPI_SHADER_UNORM16_ABGR
:
2536 enabled_channels
= 0x5;
2537 compr_op
= aco_opcode::v_cvt_pknorm_u16_f32
;
2540 case V_028714_SPI_SHADER_SNORM16_ABGR
:
2541 enabled_channels
= 0x5;
2542 compr_op
= aco_opcode::v_cvt_pknorm_i16_f32
;
2545 case V_028714_SPI_SHADER_UINT16_ABGR
:
2546 enabled_channels
= 0x5;
2547 compr_op
= aco_opcode::v_cvt_pk_u16_u32
;
2550 case V_028714_SPI_SHADER_SINT16_ABGR
:
2551 enabled_channels
= 0x5;
2552 compr_op
= aco_opcode::v_cvt_pk_i16_i32
;
2555 case V_028714_SPI_SHADER_32_ABGR
:
2556 enabled_channels
= 0xF;
2563 if (target
== V_008DFC_SQ_EXP_NULL
)
2568 for (int i
= 0; i
< 2; i
++)
2570 /* check if at least one of the values to be compressed is enabled */
2571 unsigned enabled
= (write_mask
>> (i
*2) | write_mask
>> (i
*2+1)) & 0x1;
2573 enabled_channels
|= enabled
<< (i
*2);
2574 aco_ptr
<VOP3A_instruction
> compr
{create_instruction
<VOP3A_instruction
>(compr_op
, Format::VOP3A
, 2, 1)};
2575 Temp tmp
{ctx
->program
->allocateId(), v1
};
2576 compr
->operands
[0] = values
[i
*2].isUndefined() ? Operand(0u) : values
[i
*2];
2577 compr
->operands
[1] = values
[i
*2+1].isUndefined() ? Operand(0u): values
[i
*2+1];
2578 compr
->definitions
[0] = Definition(tmp
);
2579 values
[i
] = Operand(tmp
);
2580 ctx
->block
->instructions
.emplace_back(std::move(compr
));
2582 values
[i
] = Operand(v1
);
2587 aco_ptr
<Export_instruction
> exp
{create_instruction
<Export_instruction
>(aco_opcode::exp
, Format::EXP
, 4, 0)};
2588 exp
->valid_mask
= false;
2590 exp
->compressed
= (bool) compr_op
;
2592 exp
->enabled_mask
= enabled_channels
;
2593 if ((bool) compr_op
) {
2594 for (int i
= 0; i
< 2; i
++)
2595 exp
->operands
[i
] = enabled_channels
& (3 << (i
* 2)) ? values
[i
] : Operand(v1
);
2596 exp
->operands
[2] = Operand(v1
);
2597 exp
->operands
[3] = Operand(v1
);
2599 for (int i
= 0; i
< 4; i
++)
2600 exp
->operands
[i
] = enabled_channels
& (1 << i
) ? values
[i
] : Operand(v1
);
2603 ctx
->block
->instructions
.emplace_back(std::move(exp
));
2606 void visit_store_output(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
2608 if (ctx
->stage
== vertex_vs
) {
2609 visit_store_vs_output(ctx
, instr
);
2610 } else if (ctx
->stage
== fragment_fs
) {
2611 visit_store_fs_output(ctx
, instr
);
2613 unreachable("Shader stage not implemented");
2617 void emit_interp_instr(isel_context
*ctx
, unsigned idx
, unsigned component
, Temp src
, Temp dst
, Temp prim_mask
)
2619 Temp coord1
= emit_extract_vector(ctx
, src
, 0, v1
);
2620 Temp coord2
= emit_extract_vector(ctx
, src
, 1, v1
);
2622 Builder
bld(ctx
->program
, ctx
->block
);
2623 Temp tmp
= bld
.vintrp(aco_opcode::v_interp_p1_f32
, bld
.def(v1
), coord1
, bld
.m0(prim_mask
), idx
, component
);
2624 bld
.vintrp(aco_opcode::v_interp_p2_f32
, Definition(dst
), coord2
, bld
.m0(prim_mask
), tmp
, idx
, component
);
2627 void emit_load_frag_coord(isel_context
*ctx
, Temp dst
, unsigned num_components
)
2629 aco_ptr
<Pseudo_instruction
> vec(create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, num_components
, 1));
2630 for (unsigned i
= 0; i
< num_components
; i
++)
2631 vec
->operands
[i
] = Operand(ctx
->fs_inputs
[fs_input::frag_pos_0
+ i
]);
2633 if (ctx
->fs_vgpr_args
[fs_input::frag_pos_3
]) {
2634 assert(num_components
== 4);
2635 Builder
bld(ctx
->program
, ctx
->block
);
2636 vec
->operands
[3] = bld
.vop1(aco_opcode::v_rcp_f32
, bld
.def(v1
), ctx
->fs_inputs
[fs_input::frag_pos_3
]);
2639 for (Operand
& op
: vec
->operands
)
2640 op
= op
.isUndefined() ? Operand(0u) : op
;
2642 vec
->definitions
[0] = Definition(dst
);
2643 ctx
->block
->instructions
.emplace_back(std::move(vec
));
2644 emit_split_vector(ctx
, dst
, num_components
);
2648 void visit_load_interpolated_input(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
2650 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
2651 Temp coords
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
2652 unsigned idx
= nir_intrinsic_base(instr
);
2653 unsigned component
= nir_intrinsic_component(instr
);
2654 Temp prim_mask
= ctx
->prim_mask
;
2656 nir_const_value
* offset
= nir_src_as_const_value(instr
->src
[1]);
2658 assert(offset
->u32
== 0);
2660 /* the lower 15bit of the prim_mask contain the offset into LDS
2661 * while the upper bits contain the number of prims */
2662 Temp offset_src
= get_ssa_temp(ctx
, instr
->src
[1].ssa
);
2663 assert(offset_src
.regClass() == s1
&& "TODO: divergent offsets...");
2664 Builder
bld(ctx
->program
, ctx
->block
);
2665 Temp stride
= bld
.sop2(aco_opcode::s_lshr_b32
, bld
.def(s1
), bld
.def(s1
, scc
), prim_mask
, Operand(16u));
2666 stride
= bld
.sop1(aco_opcode::s_bcnt1_i32_b32
, bld
.def(s1
), bld
.def(s1
, scc
), stride
);
2667 stride
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), stride
, Operand(48u));
2668 offset_src
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), stride
, offset_src
);
2669 prim_mask
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
, m0
), bld
.def(s1
, scc
), offset_src
, prim_mask
);
2672 if (instr
->dest
.ssa
.num_components
== 1) {
2673 emit_interp_instr(ctx
, idx
, component
, coords
, dst
, prim_mask
);
2675 aco_ptr
<Pseudo_instruction
> vec(create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, instr
->dest
.ssa
.num_components
, 1));
2676 for (unsigned i
= 0; i
< instr
->dest
.ssa
.num_components
; i
++)
2678 Temp tmp
= {ctx
->program
->allocateId(), v1
};
2679 emit_interp_instr(ctx
, idx
, component
+i
, coords
, tmp
, prim_mask
);
2680 vec
->operands
[i
] = Operand(tmp
);
2682 vec
->definitions
[0] = Definition(dst
);
2683 ctx
->block
->instructions
.emplace_back(std::move(vec
));
2687 unsigned get_num_channels_from_data_format(unsigned data_format
)
2689 switch (data_format
) {
2690 case V_008F0C_BUF_DATA_FORMAT_8
:
2691 case V_008F0C_BUF_DATA_FORMAT_16
:
2692 case V_008F0C_BUF_DATA_FORMAT_32
:
2694 case V_008F0C_BUF_DATA_FORMAT_8_8
:
2695 case V_008F0C_BUF_DATA_FORMAT_16_16
:
2696 case V_008F0C_BUF_DATA_FORMAT_32_32
:
2698 case V_008F0C_BUF_DATA_FORMAT_10_11_11
:
2699 case V_008F0C_BUF_DATA_FORMAT_11_11_10
:
2700 case V_008F0C_BUF_DATA_FORMAT_32_32_32
:
2702 case V_008F0C_BUF_DATA_FORMAT_8_8_8_8
:
2703 case V_008F0C_BUF_DATA_FORMAT_10_10_10_2
:
2704 case V_008F0C_BUF_DATA_FORMAT_2_10_10_10
:
2705 case V_008F0C_BUF_DATA_FORMAT_16_16_16_16
:
2706 case V_008F0C_BUF_DATA_FORMAT_32_32_32_32
:
2715 /* For 2_10_10_10 formats the alpha is handled as unsigned by pre-vega HW.
2716 * so we may need to fix it up. */
2717 Temp
adjust_vertex_fetch_alpha(isel_context
*ctx
, unsigned adjustment
, Temp alpha
)
2719 Builder
bld(ctx
->program
, ctx
->block
);
2721 if (adjustment
== RADV_ALPHA_ADJUST_SSCALED
)
2722 alpha
= bld
.vop1(aco_opcode::v_cvt_u32_f32
, bld
.def(v1
), alpha
);
2724 /* For the integer-like cases, do a natural sign extension.
2726 * For the SNORM case, the values are 0.0, 0.333, 0.666, 1.0
2727 * and happen to contain 0, 1, 2, 3 as the two LSBs of the
2730 alpha
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(adjustment
== RADV_ALPHA_ADJUST_SNORM
? 7u : 30u), alpha
);
2731 alpha
= bld
.vop2(aco_opcode::v_ashrrev_i32
, bld
.def(v1
), Operand(30u), alpha
);
2733 /* Convert back to the right type. */
2734 if (adjustment
== RADV_ALPHA_ADJUST_SNORM
) {
2735 alpha
= bld
.vop1(aco_opcode::v_cvt_f32_i32
, bld
.def(v1
), alpha
);
2736 Temp clamp
= bld
.vopc(aco_opcode::v_cmp_le_f32
, bld
.hint_vcc(bld
.def(s2
)), Operand(0xbf800000u
), alpha
);
2737 alpha
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0xbf800000u
), alpha
, clamp
);
2738 } else if (adjustment
== RADV_ALPHA_ADJUST_SSCALED
) {
2739 alpha
= bld
.vop1(aco_opcode::v_cvt_f32_i32
, bld
.def(v1
), alpha
);
2745 void visit_load_input(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
2747 Builder
bld(ctx
->program
, ctx
->block
);
2748 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
2749 if (ctx
->stage
& sw_vs
) {
2751 nir_instr
*off_instr
= instr
->src
[0].ssa
->parent_instr
;
2752 if (off_instr
->type
!= nir_instr_type_load_const
) {
2753 fprintf(stderr
, "Unimplemented nir_intrinsic_load_input offset\n");
2754 nir_print_instr(off_instr
, stderr
);
2755 fprintf(stderr
, "\n");
2757 uint32_t offset
= nir_instr_as_load_const(off_instr
)->value
[0].u32
;
2759 Temp vertex_buffers
= convert_pointer_to_64_bit(ctx
, ctx
->vertex_buffers
);
2761 unsigned location
= nir_intrinsic_base(instr
) / 4 - VERT_ATTRIB_GENERIC0
+ offset
;
2762 unsigned component
= nir_intrinsic_component(instr
);
2763 unsigned attrib_binding
= ctx
->options
->key
.vs
.vertex_attribute_bindings
[location
];
2764 uint32_t attrib_offset
= ctx
->options
->key
.vs
.vertex_attribute_offsets
[location
];
2765 uint32_t attrib_stride
= ctx
->options
->key
.vs
.vertex_attribute_strides
[location
];
2766 unsigned attrib_format
= ctx
->options
->key
.vs
.vertex_attribute_formats
[location
];
2768 unsigned dfmt
= attrib_format
& 0xf;
2770 unsigned nfmt
= (attrib_format
>> 4) & 0x7;
2771 unsigned num_dfmt_channels
= get_num_channels_from_data_format(dfmt
);
2772 unsigned mask
= nir_ssa_def_components_read(&instr
->dest
.ssa
) << component
;
2773 unsigned num_channels
= MIN2(util_last_bit(mask
), num_dfmt_channels
);
2774 unsigned alpha_adjust
= (ctx
->options
->key
.vs
.alpha_adjust
>> (location
* 2)) & 3;
2775 bool post_shuffle
= ctx
->options
->key
.vs
.post_shuffle
& (1 << location
);
2777 num_channels
= MAX2(num_channels
, 3);
2779 Temp list
= bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), vertex_buffers
, Operand(attrib_binding
* 16u));
2782 if (ctx
->options
->key
.vs
.instance_rate_inputs
& (1u << location
)) {
2783 uint32_t divisor
= ctx
->options
->key
.vs
.instance_rate_divisors
[location
];
2785 ctx
->needs_instance_id
= true;
2788 Temp divided
= bld
.tmp(v1
);
2789 emit_v_div_u32(ctx
, divided
, as_vgpr(ctx
, ctx
->instance_id
), divisor
);
2790 index
= bld
.vadd32(bld
.def(v1
), ctx
->start_instance
, divided
);
2792 index
= bld
.vadd32(bld
.def(v1
), ctx
->start_instance
, ctx
->instance_id
);
2795 index
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), ctx
->start_instance
);
2798 index
= bld
.vadd32(bld
.def(v1
), ctx
->base_vertex
, ctx
->vertex_id
);
2801 if (attrib_stride
!= 0 && attrib_offset
> attrib_stride
) {
2802 index
= bld
.vadd32(bld
.def(v1
), Operand(attrib_offset
/ attrib_stride
), index
);
2803 attrib_offset
= attrib_offset
% attrib_stride
;
2806 Operand
soffset(0u);
2807 if (attrib_offset
>= 4096) {
2808 soffset
= bld
.copy(bld
.def(s1
), Operand(attrib_offset
));
2813 switch (num_channels
) {
2815 opcode
= aco_opcode::tbuffer_load_format_x
;
2818 opcode
= aco_opcode::tbuffer_load_format_xy
;
2821 opcode
= aco_opcode::tbuffer_load_format_xyz
;
2824 opcode
= aco_opcode::tbuffer_load_format_xyzw
;
2827 unreachable("Unimplemented load_input vector size");
2830 Temp tmp
= post_shuffle
|| num_channels
!= dst
.size() || alpha_adjust
!= RADV_ALPHA_ADJUST_NONE
|| component
? bld
.tmp(RegType::vgpr
, num_channels
) : dst
;
2832 aco_ptr
<MTBUF_instruction
> mubuf
{create_instruction
<MTBUF_instruction
>(opcode
, Format::MTBUF
, 3, 1)};
2833 mubuf
->operands
[0] = Operand(index
);
2834 mubuf
->operands
[1] = Operand(list
);
2835 mubuf
->operands
[2] = soffset
;
2836 mubuf
->definitions
[0] = Definition(tmp
);
2837 mubuf
->idxen
= true;
2838 mubuf
->can_reorder
= true;
2841 assert(attrib_offset
< 4096);
2842 mubuf
->offset
= attrib_offset
;
2843 ctx
->block
->instructions
.emplace_back(std::move(mubuf
));
2845 emit_split_vector(ctx
, tmp
, tmp
.size());
2847 if (tmp
.id() != dst
.id()) {
2848 bool is_float
= nfmt
!= V_008F0C_BUF_NUM_FORMAT_UINT
&&
2849 nfmt
!= V_008F0C_BUF_NUM_FORMAT_SINT
;
2851 static const unsigned swizzle_normal
[4] = {0, 1, 2, 3};
2852 static const unsigned swizzle_post_shuffle
[4] = {2, 1, 0, 3};
2853 const unsigned *swizzle
= post_shuffle
? swizzle_post_shuffle
: swizzle_normal
;
2855 aco_ptr
<Instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, dst
.size(), 1)};
2856 for (unsigned i
= 0; i
< dst
.size(); i
++) {
2857 unsigned idx
= i
+ component
;
2858 if (idx
== 3 && alpha_adjust
!= RADV_ALPHA_ADJUST_NONE
&& num_channels
>= 4) {
2859 Temp alpha
= emit_extract_vector(ctx
, tmp
, swizzle
[3], v1
);
2860 vec
->operands
[3] = Operand(adjust_vertex_fetch_alpha(ctx
, alpha_adjust
, alpha
));
2861 } else if (idx
< num_channels
) {
2862 vec
->operands
[i
] = Operand(emit_extract_vector(ctx
, tmp
, swizzle
[idx
], v1
));
2863 } else if (is_float
&& idx
== 3) {
2864 vec
->operands
[i
] = Operand(0x3f800000u
);
2865 } else if (!is_float
&& idx
== 3) {
2866 vec
->operands
[i
] = Operand(1u);
2868 vec
->operands
[i
] = Operand(0u);
2871 vec
->definitions
[0] = Definition(dst
);
2872 ctx
->block
->instructions
.emplace_back(std::move(vec
));
2873 emit_split_vector(ctx
, dst
, dst
.size());
2876 } else if (ctx
->stage
== fragment_fs
) {
2877 nir_instr
*off_instr
= instr
->src
[0].ssa
->parent_instr
;
2878 if (off_instr
->type
!= nir_instr_type_load_const
||
2879 nir_instr_as_load_const(off_instr
)->value
[0].u32
!= 0) {
2880 fprintf(stderr
, "Unimplemented nir_intrinsic_load_input offset\n");
2881 nir_print_instr(off_instr
, stderr
);
2882 fprintf(stderr
, "\n");
2885 Temp prim_mask
= ctx
->prim_mask
;
2886 nir_const_value
* offset
= nir_src_as_const_value(instr
->src
[0]);
2888 assert(offset
->u32
== 0);
2890 /* the lower 15bit of the prim_mask contain the offset into LDS
2891 * while the upper bits contain the number of prims */
2892 Temp offset_src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
2893 assert(offset_src
.regClass() == s1
&& "TODO: divergent offsets...");
2894 Builder
bld(ctx
->program
, ctx
->block
);
2895 Temp stride
= bld
.sop2(aco_opcode::s_lshr_b32
, bld
.def(s1
), bld
.def(s1
, scc
), prim_mask
, Operand(16u));
2896 stride
= bld
.sop1(aco_opcode::s_bcnt1_i32_b32
, bld
.def(s1
), bld
.def(s1
, scc
), stride
);
2897 stride
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), stride
, Operand(48u));
2898 offset_src
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), stride
, offset_src
);
2899 prim_mask
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
, m0
), bld
.def(s1
, scc
), offset_src
, prim_mask
);
2902 unsigned idx
= nir_intrinsic_base(instr
);
2903 unsigned component
= nir_intrinsic_component(instr
);
2905 if (dst
.size() == 1) {
2906 bld
.vintrp(aco_opcode::v_interp_mov_f32
, Definition(dst
), Operand(2u), bld
.m0(prim_mask
), idx
, component
);
2908 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, dst
.size(), 1)};
2909 for (unsigned i
= 0; i
< dst
.size(); i
++)
2910 vec
->operands
[i
] = bld
.vintrp(aco_opcode::v_interp_mov_f32
, bld
.def(v1
), Operand(2u), bld
.m0(prim_mask
), idx
, component
+ i
);
2911 vec
->definitions
[0] = Definition(dst
);
2912 bld
.insert(std::move(vec
));
2916 unreachable("Shader stage not implemented");
2920 Temp
load_desc_ptr(isel_context
*ctx
, unsigned desc_set
)
2922 if (ctx
->program
->info
->need_indirect_descriptor_sets
) {
2923 Builder
bld(ctx
->program
, ctx
->block
);
2924 Temp ptr64
= convert_pointer_to_64_bit(ctx
, ctx
->descriptor_sets
[0]);
2925 return bld
.smem(aco_opcode::s_load_dword
, bld
.def(s1
), ptr64
, Operand(desc_set
<< 2));//, false, false, false);
2928 return ctx
->descriptor_sets
[desc_set
];
2932 void visit_load_resource(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
2934 Builder
bld(ctx
->program
, ctx
->block
);
2935 Temp index
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
2936 if (!ctx
->divergent_vals
[instr
->dest
.ssa
.index
])
2937 index
= bld
.as_uniform(index
);
2938 unsigned desc_set
= nir_intrinsic_desc_set(instr
);
2939 unsigned binding
= nir_intrinsic_binding(instr
);
2942 radv_pipeline_layout
*pipeline_layout
= ctx
->options
->layout
;
2943 radv_descriptor_set_layout
*layout
= pipeline_layout
->set
[desc_set
].layout
;
2944 unsigned offset
= layout
->binding
[binding
].offset
;
2946 if (layout
->binding
[binding
].type
== VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC
||
2947 layout
->binding
[binding
].type
== VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC
) {
2948 unsigned idx
= pipeline_layout
->set
[desc_set
].dynamic_offset_start
+ layout
->binding
[binding
].dynamic_offset_offset
;
2949 desc_ptr
= ctx
->push_constants
;
2950 offset
= pipeline_layout
->push_constant_size
+ 16 * idx
;
2953 desc_ptr
= load_desc_ptr(ctx
, desc_set
);
2954 stride
= layout
->binding
[binding
].size
;
2957 nir_const_value
* nir_const_index
= nir_src_as_const_value(instr
->src
[0]);
2958 unsigned const_index
= nir_const_index
? nir_const_index
->u32
: 0;
2960 if (nir_const_index
) {
2961 const_index
= const_index
* stride
;
2962 } else if (index
.type() == RegType::vgpr
) {
2963 bool index24bit
= layout
->binding
[binding
].array_size
<= 0x1000000;
2964 index
= bld
.v_mul_imm(bld
.def(v1
), index
, stride
, index24bit
);
2966 index
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), Operand(stride
), Operand(index
));
2970 if (nir_const_index
) {
2971 const_index
= const_index
+ offset
;
2972 } else if (index
.type() == RegType::vgpr
) {
2973 index
= bld
.vadd32(bld
.def(v1
), Operand(offset
), index
);
2975 index
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(offset
), Operand(index
));
2979 if (nir_const_index
&& const_index
== 0) {
2981 } else if (index
.type() == RegType::vgpr
) {
2982 index
= bld
.vadd32(bld
.def(v1
),
2983 nir_const_index
? Operand(const_index
) : Operand(index
),
2986 index
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
),
2987 nir_const_index
? Operand(const_index
) : Operand(index
),
2991 bld
.copy(Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), index
);
2994 void load_buffer(isel_context
*ctx
, unsigned num_components
, Temp dst
, Temp rsrc
, Temp offset
, bool glc
=false)
2996 Builder
bld(ctx
->program
, ctx
->block
);
2998 unsigned num_bytes
= dst
.size() * 4;
2999 bool dlc
= glc
&& ctx
->options
->chip_class
>= GFX10
;
3002 if (dst
.type() == RegType::vgpr
|| (glc
&& ctx
->options
->chip_class
< GFX8
)) {
3003 if (ctx
->options
->chip_class
< GFX8
)
3004 offset
= as_vgpr(ctx
, offset
);
3006 Operand vaddr
= offset
.type() == RegType::vgpr
? Operand(offset
) : Operand(v1
);
3007 Operand soffset
= offset
.type() == RegType::sgpr
? Operand(offset
) : Operand((uint32_t) 0);
3008 unsigned const_offset
= 0;
3010 Temp lower
= Temp();
3011 if (num_bytes
> 16) {
3012 assert(num_components
== 3 || num_components
== 4);
3013 op
= aco_opcode::buffer_load_dwordx4
;
3014 lower
= bld
.tmp(v4
);
3015 aco_ptr
<MUBUF_instruction
> mubuf
{create_instruction
<MUBUF_instruction
>(op
, Format::MUBUF
, 3, 1)};
3016 mubuf
->definitions
[0] = Definition(lower
);
3017 mubuf
->operands
[0] = vaddr
;
3018 mubuf
->operands
[1] = Operand(rsrc
);
3019 mubuf
->operands
[2] = soffset
;
3020 mubuf
->offen
= (offset
.type() == RegType::vgpr
);
3023 mubuf
->barrier
= barrier_buffer
;
3024 bld
.insert(std::move(mubuf
));
3025 emit_split_vector(ctx
, lower
, 2);
3030 switch (num_bytes
) {
3032 op
= aco_opcode::buffer_load_dword
;
3035 op
= aco_opcode::buffer_load_dwordx2
;
3038 op
= aco_opcode::buffer_load_dwordx3
;
3041 op
= aco_opcode::buffer_load_dwordx4
;
3044 unreachable("Load SSBO not implemented for this size.");
3046 aco_ptr
<MUBUF_instruction
> mubuf
{create_instruction
<MUBUF_instruction
>(op
, Format::MUBUF
, 3, 1)};
3047 mubuf
->operands
[0] = vaddr
;
3048 mubuf
->operands
[1] = Operand(rsrc
);
3049 mubuf
->operands
[2] = soffset
;
3050 mubuf
->offen
= (offset
.type() == RegType::vgpr
);
3053 mubuf
->barrier
= barrier_buffer
;
3054 mubuf
->offset
= const_offset
;
3055 aco_ptr
<Instruction
> instr
= std::move(mubuf
);
3057 if (dst
.size() > 4) {
3058 assert(lower
!= Temp());
3059 Temp upper
= bld
.tmp(RegType::vgpr
, dst
.size() - lower
.size());
3060 instr
->definitions
[0] = Definition(upper
);
3061 bld
.insert(std::move(instr
));
3062 if (dst
.size() == 8)
3063 emit_split_vector(ctx
, upper
, 2);
3064 instr
.reset(create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, dst
.size() / 2, 1));
3065 instr
->operands
[0] = Operand(emit_extract_vector(ctx
, lower
, 0, v2
));
3066 instr
->operands
[1] = Operand(emit_extract_vector(ctx
, lower
, 1, v2
));
3067 instr
->operands
[2] = Operand(emit_extract_vector(ctx
, upper
, 0, v2
));
3068 if (dst
.size() == 8)
3069 instr
->operands
[3] = Operand(emit_extract_vector(ctx
, upper
, 1, v2
));
3072 if (dst
.type() == RegType::sgpr
) {
3073 Temp vec
= bld
.tmp(RegType::vgpr
, dst
.size());
3074 instr
->definitions
[0] = Definition(vec
);
3075 bld
.insert(std::move(instr
));
3076 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), vec
);
3078 instr
->definitions
[0] = Definition(dst
);
3079 bld
.insert(std::move(instr
));
3082 switch (num_bytes
) {
3084 op
= aco_opcode::s_buffer_load_dword
;
3087 op
= aco_opcode::s_buffer_load_dwordx2
;
3091 op
= aco_opcode::s_buffer_load_dwordx4
;
3095 op
= aco_opcode::s_buffer_load_dwordx8
;
3098 unreachable("Load SSBO not implemented for this size.");
3100 aco_ptr
<SMEM_instruction
> load
{create_instruction
<SMEM_instruction
>(op
, Format::SMEM
, 2, 1)};
3101 load
->operands
[0] = Operand(rsrc
);
3102 load
->operands
[1] = Operand(bld
.as_uniform(offset
));
3103 assert(load
->operands
[1].getTemp().type() == RegType::sgpr
);
3104 load
->definitions
[0] = Definition(dst
);
3107 load
->barrier
= barrier_buffer
;
3108 assert(ctx
->options
->chip_class
>= GFX8
|| !glc
);
3111 if (dst
.size() == 3) {
3112 Temp vec
= bld
.tmp(s4
);
3113 load
->definitions
[0] = Definition(vec
);
3114 bld
.insert(std::move(load
));
3115 emit_split_vector(ctx
, vec
, 4);
3117 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
3118 emit_extract_vector(ctx
, vec
, 0, s1
),
3119 emit_extract_vector(ctx
, vec
, 1, s1
),
3120 emit_extract_vector(ctx
, vec
, 2, s1
));
3121 } else if (dst
.size() == 6) {
3122 Temp vec
= bld
.tmp(s8
);
3123 load
->definitions
[0] = Definition(vec
);
3124 bld
.insert(std::move(load
));
3125 emit_split_vector(ctx
, vec
, 4);
3127 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
3128 emit_extract_vector(ctx
, vec
, 0, s2
),
3129 emit_extract_vector(ctx
, vec
, 1, s2
),
3130 emit_extract_vector(ctx
, vec
, 2, s2
));
3132 bld
.insert(std::move(load
));
3136 emit_split_vector(ctx
, dst
, num_components
);
3139 void visit_load_ubo(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3141 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
3142 Temp rsrc
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
3144 Builder
bld(ctx
->program
, ctx
->block
);
3146 nir_intrinsic_instr
* idx_instr
= nir_instr_as_intrinsic(instr
->src
[0].ssa
->parent_instr
);
3147 unsigned desc_set
= nir_intrinsic_desc_set(idx_instr
);
3148 unsigned binding
= nir_intrinsic_binding(idx_instr
);
3149 radv_descriptor_set_layout
*layout
= ctx
->options
->layout
->set
[desc_set
].layout
;
3151 if (layout
->binding
[binding
].type
== VK_DESCRIPTOR_TYPE_INLINE_UNIFORM_BLOCK_EXT
) {
3152 uint32_t desc_type
= S_008F0C_DST_SEL_X(V_008F0C_SQ_SEL_X
) |
3153 S_008F0C_DST_SEL_Y(V_008F0C_SQ_SEL_Y
) |
3154 S_008F0C_DST_SEL_Z(V_008F0C_SQ_SEL_Z
) |
3155 S_008F0C_DST_SEL_W(V_008F0C_SQ_SEL_W
);
3156 if (ctx
->options
->chip_class
>= GFX10
) {
3157 desc_type
|= S_008F0C_FORMAT(V_008F0C_IMG_FORMAT_32_FLOAT
) |
3158 S_008F0C_OOB_SELECT(3) |
3159 S_008F0C_RESOURCE_LEVEL(1);
3161 desc_type
|= S_008F0C_NUM_FORMAT(V_008F0C_BUF_NUM_FORMAT_FLOAT
) |
3162 S_008F0C_DATA_FORMAT(V_008F0C_BUF_DATA_FORMAT_32
);
3164 Temp upper_dwords
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s3
),
3165 Operand(S_008F04_BASE_ADDRESS_HI(ctx
->options
->address32_hi
)),
3166 Operand(0xFFFFFFFFu
),
3167 Operand(desc_type
));
3168 rsrc
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s4
),
3169 rsrc
, upper_dwords
);
3171 rsrc
= convert_pointer_to_64_bit(ctx
, rsrc
);
3172 rsrc
= bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), rsrc
, Operand(0u));
3175 load_buffer(ctx
, instr
->num_components
, dst
, rsrc
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
3178 void visit_load_push_constant(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3180 Builder
bld(ctx
->program
, ctx
->block
);
3181 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
3183 unsigned offset
= nir_intrinsic_base(instr
);
3184 nir_const_value
*index_cv
= nir_src_as_const_value(instr
->src
[0]);
3185 if (index_cv
&& instr
->dest
.ssa
.bit_size
== 32) {
3187 unsigned count
= instr
->dest
.ssa
.num_components
;
3188 unsigned start
= (offset
+ index_cv
->u32
) / 4u;
3189 start
-= ctx
->base_inline_push_consts
;
3190 if (start
+ count
<= ctx
->num_inline_push_consts
) {
3191 std::array
<Temp
,NIR_MAX_VEC_COMPONENTS
> elems
;
3192 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, count
, 1)};
3193 for (unsigned i
= 0; i
< count
; ++i
) {
3194 elems
[i
] = ctx
->inline_push_consts
[start
+ i
];
3195 vec
->operands
[i
] = Operand
{elems
[i
]};
3197 vec
->definitions
[0] = Definition(dst
);
3198 ctx
->block
->instructions
.emplace_back(std::move(vec
));
3199 ctx
->allocated_vec
.emplace(dst
.id(), elems
);
3204 Temp index
= bld
.as_uniform(get_ssa_temp(ctx
, instr
->src
[0].ssa
));
3205 if (offset
!= 0) // TODO check if index != 0 as well
3206 index
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(offset
), index
);
3207 Temp ptr
= convert_pointer_to_64_bit(ctx
, ctx
->push_constants
);
3212 switch (dst
.size()) {
3214 op
= aco_opcode::s_load_dword
;
3217 op
= aco_opcode::s_load_dwordx2
;
3223 op
= aco_opcode::s_load_dwordx4
;
3229 op
= aco_opcode::s_load_dwordx8
;
3232 unreachable("unimplemented or forbidden load_push_constant.");
3235 bld
.smem(op
, Definition(vec
), ptr
, index
);
3238 emit_split_vector(ctx
, vec
, 4);
3239 RegClass rc
= dst
.size() == 3 ? s1
: s2
;
3240 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
3241 emit_extract_vector(ctx
, vec
, 0, rc
),
3242 emit_extract_vector(ctx
, vec
, 1, rc
),
3243 emit_extract_vector(ctx
, vec
, 2, rc
));
3246 emit_split_vector(ctx
, dst
, instr
->dest
.ssa
.num_components
);
3249 void visit_load_constant(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3251 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
3253 Builder
bld(ctx
->program
, ctx
->block
);
3255 uint32_t desc_type
= S_008F0C_DST_SEL_X(V_008F0C_SQ_SEL_X
) |
3256 S_008F0C_DST_SEL_Y(V_008F0C_SQ_SEL_Y
) |
3257 S_008F0C_DST_SEL_Z(V_008F0C_SQ_SEL_Z
) |
3258 S_008F0C_DST_SEL_W(V_008F0C_SQ_SEL_W
);
3259 if (ctx
->options
->chip_class
>= GFX10
) {
3260 desc_type
|= S_008F0C_FORMAT(V_008F0C_IMG_FORMAT_32_FLOAT
) |
3261 S_008F0C_OOB_SELECT(3) |
3262 S_008F0C_RESOURCE_LEVEL(1);
3264 desc_type
|= S_008F0C_NUM_FORMAT(V_008F0C_BUF_NUM_FORMAT_FLOAT
) |
3265 S_008F0C_DATA_FORMAT(V_008F0C_BUF_DATA_FORMAT_32
);
3268 unsigned base
= nir_intrinsic_base(instr
);
3269 unsigned range
= nir_intrinsic_range(instr
);
3271 Temp offset
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
3272 if (base
&& offset
.type() == RegType::sgpr
)
3273 offset
= bld
.sop2(aco_opcode::s_add_u32
, bld
.def(s1
), bld
.def(s1
, scc
), offset
, Operand(base
));
3274 else if (base
&& offset
.type() == RegType::vgpr
)
3275 offset
= bld
.vadd32(bld
.def(v1
), Operand(base
), offset
);
3277 Temp rsrc
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s4
),
3278 bld
.sop1(aco_opcode::p_constaddr
, bld
.def(s2
), bld
.def(s1
, scc
), Operand(ctx
->constant_data_offset
)),
3279 Operand(MIN2(base
+ range
, ctx
->shader
->constant_data_size
)),
3280 Operand(desc_type
));
3282 load_buffer(ctx
, instr
->num_components
, dst
, rsrc
, offset
);
3285 void visit_discard_if(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3287 if (ctx
->cf_info
.loop_nest_depth
|| ctx
->cf_info
.parent_if
.is_divergent
)
3288 ctx
->cf_info
.exec_potentially_empty
= true;
3290 ctx
->program
->needs_exact
= true;
3292 // TODO: optimize uniform conditions
3293 Builder
bld(ctx
->program
, ctx
->block
);
3294 Temp src
= as_divergent_bool(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
), false);
3295 src
= bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(exec
, s2
));
3296 bld
.pseudo(aco_opcode::p_discard_if
, src
);
3297 ctx
->block
->kind
|= block_kind_uses_discard_if
;
3301 void visit_discard(isel_context
* ctx
, nir_intrinsic_instr
*instr
)
3303 Builder
bld(ctx
->program
, ctx
->block
);
3305 if (ctx
->cf_info
.loop_nest_depth
|| ctx
->cf_info
.parent_if
.is_divergent
)
3306 ctx
->cf_info
.exec_potentially_empty
= true;
3308 bool divergent
= ctx
->cf_info
.parent_if
.is_divergent
||
3309 ctx
->cf_info
.parent_loop
.has_divergent_continue
;
3311 if (ctx
->block
->loop_nest_depth
&&
3312 ((nir_instr_is_last(&instr
->instr
) && !divergent
) || divergent
)) {
3313 /* we handle discards the same way as jump instructions */
3314 append_logical_end(ctx
->block
);
3316 /* in loops, discard behaves like break */
3317 Block
*linear_target
= ctx
->cf_info
.parent_loop
.exit
;
3318 ctx
->block
->kind
|= block_kind_discard
;
3321 /* uniform discard - loop ends here */
3322 assert(nir_instr_is_last(&instr
->instr
));
3323 ctx
->block
->kind
|= block_kind_uniform
;
3324 ctx
->cf_info
.has_branch
= true;
3325 bld
.branch(aco_opcode::p_branch
);
3326 add_linear_edge(ctx
->block
->index
, linear_target
);
3330 /* we add a break right behind the discard() instructions */
3331 ctx
->block
->kind
|= block_kind_break
;
3332 unsigned idx
= ctx
->block
->index
;
3334 /* remove critical edges from linear CFG */
3335 bld
.branch(aco_opcode::p_branch
);
3336 Block
* break_block
= ctx
->program
->create_and_insert_block();
3337 break_block
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
3338 break_block
->kind
|= block_kind_uniform
;
3339 add_linear_edge(idx
, break_block
);
3340 add_linear_edge(break_block
->index
, linear_target
);
3341 bld
.reset(break_block
);
3342 bld
.branch(aco_opcode::p_branch
);
3344 Block
* continue_block
= ctx
->program
->create_and_insert_block();
3345 continue_block
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
3346 add_linear_edge(idx
, continue_block
);
3347 append_logical_start(continue_block
);
3348 ctx
->block
= continue_block
;
3353 /* it can currently happen that NIR doesn't remove the unreachable code */
3354 if (!nir_instr_is_last(&instr
->instr
)) {
3355 ctx
->program
->needs_exact
= true;
3356 /* save exec somewhere temporarily so that it doesn't get
3357 * overwritten before the discard from outer exec masks */
3358 Temp cond
= bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
), Operand(0xFFFFFFFF), Operand(exec
, s2
));
3359 bld
.pseudo(aco_opcode::p_discard_if
, cond
);
3360 ctx
->block
->kind
|= block_kind_uses_discard_if
;
3364 /* This condition is incorrect for uniformly branched discards in a loop
3365 * predicated by a divergent condition, but the above code catches that case
3366 * and the discard would end up turning into a discard_if.
3376 if (!ctx
->cf_info
.parent_if
.is_divergent
) {
3377 /* program just ends here */
3378 ctx
->block
->kind
|= block_kind_uniform
;
3379 bld
.exp(aco_opcode::exp
, Operand(v1
), Operand(v1
), Operand(v1
), Operand(v1
),
3380 0 /* enabled mask */, 9 /* dest */,
3381 false /* compressed */, true/* done */, true /* valid mask */);
3382 bld
.sopp(aco_opcode::s_endpgm
);
3383 // TODO: it will potentially be followed by a branch which is dead code to sanitize NIR phis
3385 ctx
->block
->kind
|= block_kind_discard
;
3386 /* branch and linear edge is added by visit_if() */
3390 enum aco_descriptor_type
{
3401 should_declare_array(isel_context
*ctx
, enum glsl_sampler_dim sampler_dim
, bool is_array
) {
3402 if (sampler_dim
== GLSL_SAMPLER_DIM_BUF
)
3404 ac_image_dim dim
= ac_get_sampler_dim(ctx
->options
->chip_class
, sampler_dim
, is_array
);
3405 return dim
== ac_image_cube
||
3406 dim
== ac_image_1darray
||
3407 dim
== ac_image_2darray
||
3408 dim
== ac_image_2darraymsaa
;
3411 Temp
get_sampler_desc(isel_context
*ctx
, nir_deref_instr
*deref_instr
,
3412 enum aco_descriptor_type desc_type
,
3413 const nir_tex_instr
*tex_instr
, bool image
, bool write
)
3415 /* FIXME: we should lower the deref with some new nir_intrinsic_load_desc
3416 std::unordered_map<uint64_t, Temp>::iterator it = ctx->tex_desc.find((uint64_t) desc_type << 32 | deref_instr->dest.ssa.index);
3417 if (it != ctx->tex_desc.end())
3420 Temp index
= Temp();
3421 bool index_set
= false;
3422 unsigned constant_index
= 0;
3423 unsigned descriptor_set
;
3424 unsigned base_index
;
3425 Builder
bld(ctx
->program
, ctx
->block
);
3428 assert(tex_instr
&& !image
);
3430 base_index
= tex_instr
->sampler_index
;
3432 while(deref_instr
->deref_type
!= nir_deref_type_var
) {
3433 unsigned array_size
= glsl_get_aoa_size(deref_instr
->type
);
3437 assert(deref_instr
->deref_type
== nir_deref_type_array
);
3438 nir_const_value
*const_value
= nir_src_as_const_value(deref_instr
->arr
.index
);
3440 constant_index
+= array_size
* const_value
->u32
;
3442 Temp indirect
= get_ssa_temp(ctx
, deref_instr
->arr
.index
.ssa
);
3443 if (indirect
.type() == RegType::vgpr
)
3444 indirect
= bld
.vop1(aco_opcode::v_readfirstlane_b32
, bld
.def(s1
), indirect
);
3446 if (array_size
!= 1)
3447 indirect
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), Operand(array_size
), indirect
);
3453 index
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
), index
, indirect
);
3457 deref_instr
= nir_src_as_deref(deref_instr
->parent
);
3459 descriptor_set
= deref_instr
->var
->data
.descriptor_set
;
3460 base_index
= deref_instr
->var
->data
.binding
;
3463 Temp list
= load_desc_ptr(ctx
, descriptor_set
);
3464 list
= convert_pointer_to_64_bit(ctx
, list
);
3466 struct radv_descriptor_set_layout
*layout
= ctx
->options
->layout
->set
[descriptor_set
].layout
;
3467 struct radv_descriptor_set_binding_layout
*binding
= layout
->binding
+ base_index
;
3468 unsigned offset
= binding
->offset
;
3469 unsigned stride
= binding
->size
;
3473 assert(base_index
< layout
->binding_count
);
3475 switch (desc_type
) {
3476 case ACO_DESC_IMAGE
:
3478 opcode
= aco_opcode::s_load_dwordx8
;
3480 case ACO_DESC_FMASK
:
3482 opcode
= aco_opcode::s_load_dwordx8
;
3485 case ACO_DESC_SAMPLER
:
3487 opcode
= aco_opcode::s_load_dwordx4
;
3488 if (binding
->type
== VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
)
3489 offset
+= radv_combined_image_descriptor_sampler_offset(binding
);
3491 case ACO_DESC_BUFFER
:
3493 opcode
= aco_opcode::s_load_dwordx4
;
3495 case ACO_DESC_PLANE_0
:
3496 case ACO_DESC_PLANE_1
:
3498 opcode
= aco_opcode::s_load_dwordx8
;
3499 offset
+= 32 * (desc_type
- ACO_DESC_PLANE_0
);
3501 case ACO_DESC_PLANE_2
:
3503 opcode
= aco_opcode::s_load_dwordx4
;
3507 unreachable("invalid desc_type\n");
3510 offset
+= constant_index
* stride
;
3512 if (desc_type
== ACO_DESC_SAMPLER
&& binding
->immutable_samplers_offset
&&
3513 (!index_set
|| binding
->immutable_samplers_equal
)) {
3514 if (binding
->immutable_samplers_equal
)
3517 const uint32_t *samplers
= radv_immutable_samplers(layout
, binding
);
3518 return bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s4
),
3519 Operand(samplers
[constant_index
* 4 + 0]),
3520 Operand(samplers
[constant_index
* 4 + 1]),
3521 Operand(samplers
[constant_index
* 4 + 2]),
3522 Operand(samplers
[constant_index
* 4 + 3]));
3527 off
= Operand(offset
);
3529 off
= Operand((Temp
)bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(offset
),
3530 bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), Operand(stride
), index
)));
3533 Temp res
= bld
.smem(opcode
, bld
.def(type
), list
, off
);
3535 if (desc_type
== ACO_DESC_PLANE_2
) {
3537 for (unsigned i
= 0; i
< 8; i
++)
3538 components
[i
] = bld
.tmp(s1
);
3539 bld
.pseudo(aco_opcode::p_split_vector
,
3540 Definition(components
[0]),
3541 Definition(components
[1]),
3542 Definition(components
[2]),
3543 Definition(components
[3]),
3546 Temp desc2
= get_sampler_desc(ctx
, deref_instr
, ACO_DESC_PLANE_1
, tex_instr
, image
, write
);
3547 bld
.pseudo(aco_opcode::p_split_vector
,
3548 bld
.def(s1
), bld
.def(s1
), bld
.def(s1
), bld
.def(s1
),
3549 Definition(components
[4]),
3550 Definition(components
[5]),
3551 Definition(components
[6]),
3552 Definition(components
[7]),
3555 res
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s8
),
3556 components
[0], components
[1], components
[2], components
[3],
3557 components
[4], components
[5], components
[6], components
[7]);
3563 static int image_type_to_components_count(enum glsl_sampler_dim dim
, bool array
)
3566 case GLSL_SAMPLER_DIM_BUF
:
3568 case GLSL_SAMPLER_DIM_1D
:
3569 return array
? 2 : 1;
3570 case GLSL_SAMPLER_DIM_2D
:
3571 return array
? 3 : 2;
3572 case GLSL_SAMPLER_DIM_MS
:
3573 return array
? 4 : 3;
3574 case GLSL_SAMPLER_DIM_3D
:
3575 case GLSL_SAMPLER_DIM_CUBE
:
3577 case GLSL_SAMPLER_DIM_RECT
:
3578 case GLSL_SAMPLER_DIM_SUBPASS
:
3580 case GLSL_SAMPLER_DIM_SUBPASS_MS
:
3589 /* Adjust the sample index according to FMASK.
3591 * For uncompressed MSAA surfaces, FMASK should return 0x76543210,
3592 * which is the identity mapping. Each nibble says which physical sample
3593 * should be fetched to get that sample.
3595 * For example, 0x11111100 means there are only 2 samples stored and
3596 * the second sample covers 3/4 of the pixel. When reading samples 0
3597 * and 1, return physical sample 0 (determined by the first two 0s
3598 * in FMASK), otherwise return physical sample 1.
3600 * The sample index should be adjusted as follows:
3601 * sample_index = (fmask >> (sample_index * 4)) & 0xF;
3603 static Temp
adjust_sample_index_using_fmask(isel_context
*ctx
, bool da
, Temp coords
, Operand sample_index
, Temp fmask_desc_ptr
)
3605 Builder
bld(ctx
->program
, ctx
->block
);
3606 Temp fmask
= bld
.tmp(v1
);
3607 unsigned dim
= ctx
->options
->chip_class
>= GFX10
3608 ? ac_get_sampler_dim(ctx
->options
->chip_class
, GLSL_SAMPLER_DIM_2D
, da
)
3611 aco_ptr
<MIMG_instruction
> load
{create_instruction
<MIMG_instruction
>(aco_opcode::image_load
, Format::MIMG
, 2, 1)};
3612 load
->operands
[0] = Operand(coords
);
3613 load
->operands
[1] = Operand(fmask_desc_ptr
);
3614 load
->definitions
[0] = Definition(fmask
);
3621 load
->can_reorder
= true; /* fmask images shouldn't be modified */
3622 ctx
->block
->instructions
.emplace_back(std::move(load
));
3624 Operand sample_index4
;
3625 if (sample_index
.isConstant() && sample_index
.constantValue() < 16) {
3626 sample_index4
= Operand(sample_index
.constantValue() << 2);
3627 } else if (sample_index
.regClass() == s1
) {
3628 sample_index4
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), sample_index
, Operand(2u));
3630 assert(sample_index
.regClass() == v1
);
3631 sample_index4
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(2u), sample_index
);
3635 if (sample_index4
.isConstant() && sample_index4
.constantValue() == 0)
3636 final_sample
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(15u), fmask
);
3637 else if (sample_index4
.isConstant() && sample_index4
.constantValue() == 28)
3638 final_sample
= bld
.vop2(aco_opcode::v_lshrrev_b32
, bld
.def(v1
), Operand(28u), fmask
);
3640 final_sample
= bld
.vop3(aco_opcode::v_bfe_u32
, bld
.def(v1
), fmask
, sample_index4
, Operand(4u));
3642 /* Don't rewrite the sample index if WORD1.DATA_FORMAT of the FMASK
3643 * resource descriptor is 0 (invalid),
3645 Temp compare
= bld
.tmp(s2
);
3646 bld
.vopc_e64(aco_opcode::v_cmp_lg_u32
, Definition(compare
),
3647 Operand(0u), emit_extract_vector(ctx
, fmask_desc_ptr
, 1, s1
)).def(0).setHint(vcc
);
3649 Temp sample_index_v
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), sample_index
);
3651 /* Replace the MSAA sample index. */
3652 return bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), sample_index_v
, final_sample
, compare
);
3655 static Temp
get_image_coords(isel_context
*ctx
, const nir_intrinsic_instr
*instr
, const struct glsl_type
*type
)
3658 Temp src0
= get_ssa_temp(ctx
, instr
->src
[1].ssa
);
3659 enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
3660 bool is_array
= glsl_sampler_type_is_array(type
);
3661 ASSERTED
bool add_frag_pos
= (dim
== GLSL_SAMPLER_DIM_SUBPASS
|| dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
);
3662 assert(!add_frag_pos
&& "Input attachments should be lowered.");
3663 bool is_ms
= (dim
== GLSL_SAMPLER_DIM_MS
|| dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
);
3664 bool gfx9_1d
= ctx
->options
->chip_class
== GFX9
&& dim
== GLSL_SAMPLER_DIM_1D
;
3665 int count
= image_type_to_components_count(dim
, is_array
);
3666 std::vector
<Operand
> coords(count
);
3669 Operand sample_index
;
3670 nir_const_value
*sample_cv
= nir_src_as_const_value(instr
->src
[2]);
3672 sample_index
= Operand(sample_cv
->u32
);
3674 sample_index
= Operand(emit_extract_vector(ctx
, get_ssa_temp(ctx
, instr
->src
[2].ssa
), 0, v1
));
3676 if (instr
->intrinsic
== nir_intrinsic_image_deref_load
) {
3677 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, is_array
? 3 : 2, 1)};
3678 for (unsigned i
= 0; i
< vec
->operands
.size(); i
++)
3679 vec
->operands
[i
] = Operand(emit_extract_vector(ctx
, src0
, i
, v1
));
3680 Temp fmask_load_address
= {ctx
->program
->allocateId(), is_array
? v3
: v2
};
3681 vec
->definitions
[0] = Definition(fmask_load_address
);
3682 ctx
->block
->instructions
.emplace_back(std::move(vec
));
3684 Temp fmask_desc_ptr
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_FMASK
, nullptr, false, false);
3685 sample_index
= Operand(adjust_sample_index_using_fmask(ctx
, is_array
, fmask_load_address
, sample_index
, fmask_desc_ptr
));
3688 coords
[count
] = sample_index
;
3691 if (count
== 1 && !gfx9_1d
)
3692 return emit_extract_vector(ctx
, src0
, 0, v1
);
3695 coords
[0] = Operand(emit_extract_vector(ctx
, src0
, 0, v1
));
3696 coords
.resize(coords
.size() + 1);
3697 coords
[1] = Operand((uint32_t) 0);
3699 coords
[2] = Operand(emit_extract_vector(ctx
, src0
, 1, v1
));
3701 for (int i
= 0; i
< count
; i
++)
3702 coords
[i
] = Operand(emit_extract_vector(ctx
, src0
, i
, v1
));
3705 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, coords
.size(), 1)};
3706 for (unsigned i
= 0; i
< coords
.size(); i
++)
3707 vec
->operands
[i
] = coords
[i
];
3708 Temp res
= {ctx
->program
->allocateId(), RegClass(RegType::vgpr
, coords
.size())};
3709 vec
->definitions
[0] = Definition(res
);
3710 ctx
->block
->instructions
.emplace_back(std::move(vec
));
3715 void visit_image_load(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3717 Builder
bld(ctx
->program
, ctx
->block
);
3718 const nir_variable
*var
= nir_deref_instr_get_variable(nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
));
3719 const struct glsl_type
*type
= glsl_without_array(var
->type
);
3720 const enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
3721 bool is_array
= glsl_sampler_type_is_array(type
);
3722 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
3724 if (dim
== GLSL_SAMPLER_DIM_BUF
) {
3725 unsigned mask
= nir_ssa_def_components_read(&instr
->dest
.ssa
);
3726 unsigned num_channels
= util_last_bit(mask
);
3727 Temp rsrc
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_BUFFER
, nullptr, true, true);
3728 Temp vindex
= emit_extract_vector(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
), 0, v1
);
3731 switch (num_channels
) {
3733 opcode
= aco_opcode::buffer_load_format_x
;
3736 opcode
= aco_opcode::buffer_load_format_xy
;
3739 opcode
= aco_opcode::buffer_load_format_xyz
;
3742 opcode
= aco_opcode::buffer_load_format_xyzw
;
3745 unreachable(">4 channel buffer image load");
3747 aco_ptr
<MUBUF_instruction
> load
{create_instruction
<MUBUF_instruction
>(opcode
, Format::MUBUF
, 3, 1)};
3748 load
->operands
[0] = Operand(vindex
);
3749 load
->operands
[1] = Operand(rsrc
);
3750 load
->operands
[2] = Operand((uint32_t) 0);
3752 if (num_channels
== instr
->dest
.ssa
.num_components
&& dst
.type() == RegType::vgpr
)
3755 tmp
= {ctx
->program
->allocateId(), RegClass(RegType::vgpr
, num_channels
)};
3756 load
->definitions
[0] = Definition(tmp
);
3758 load
->barrier
= barrier_image
;
3759 ctx
->block
->instructions
.emplace_back(std::move(load
));
3761 expand_vector(ctx
, tmp
, dst
, instr
->dest
.ssa
.num_components
, (1 << num_channels
) - 1);
3765 Temp coords
= get_image_coords(ctx
, instr
, type
);
3766 Temp resource
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_IMAGE
, nullptr, true, true);
3768 unsigned dmask
= nir_ssa_def_components_read(&instr
->dest
.ssa
);
3769 unsigned num_components
= util_bitcount(dmask
);
3771 if (num_components
== instr
->dest
.ssa
.num_components
&& dst
.type() == RegType::vgpr
)
3774 tmp
= {ctx
->program
->allocateId(), RegClass(RegType::vgpr
, num_components
)};
3776 aco_ptr
<MIMG_instruction
> load
{create_instruction
<MIMG_instruction
>(aco_opcode::image_load
, Format::MIMG
, 2, 1)};
3777 load
->operands
[0] = Operand(coords
);
3778 load
->operands
[1] = Operand(resource
);
3779 load
->definitions
[0] = Definition(tmp
);
3780 load
->glc
= var
->data
.image
.access
& (ACCESS_VOLATILE
| ACCESS_COHERENT
) ? 1 : 0;
3781 load
->dim
= ac_get_image_dim(ctx
->options
->chip_class
, dim
, is_array
);
3782 load
->dmask
= dmask
;
3784 load
->da
= should_declare_array(ctx
, dim
, glsl_sampler_type_is_array(type
));
3785 load
->barrier
= barrier_image
;
3786 ctx
->block
->instructions
.emplace_back(std::move(load
));
3788 expand_vector(ctx
, tmp
, dst
, instr
->dest
.ssa
.num_components
, dmask
);
3792 void visit_image_store(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3794 const nir_variable
*var
= nir_deref_instr_get_variable(nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
));
3795 const struct glsl_type
*type
= glsl_without_array(var
->type
);
3796 const enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
3797 bool is_array
= glsl_sampler_type_is_array(type
);
3798 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[3].ssa
));
3800 bool glc
= ctx
->options
->chip_class
== GFX6
|| var
->data
.image
.access
& (ACCESS_VOLATILE
| ACCESS_COHERENT
| ACCESS_NON_READABLE
) ? 1 : 0;
3802 if (dim
== GLSL_SAMPLER_DIM_BUF
) {
3803 Temp rsrc
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_BUFFER
, nullptr, true, true);
3804 Temp vindex
= emit_extract_vector(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
), 0, v1
);
3806 switch (data
.size()) {
3808 opcode
= aco_opcode::buffer_store_format_x
;
3811 opcode
= aco_opcode::buffer_store_format_xy
;
3814 opcode
= aco_opcode::buffer_store_format_xyz
;
3817 opcode
= aco_opcode::buffer_store_format_xyzw
;
3820 unreachable(">4 channel buffer image store");
3822 aco_ptr
<MUBUF_instruction
> store
{create_instruction
<MUBUF_instruction
>(opcode
, Format::MUBUF
, 4, 0)};
3823 store
->operands
[0] = Operand(vindex
);
3824 store
->operands
[1] = Operand(rsrc
);
3825 store
->operands
[2] = Operand((uint32_t) 0);
3826 store
->operands
[3] = Operand(data
);
3827 store
->idxen
= true;
3830 store
->disable_wqm
= true;
3831 store
->barrier
= barrier_image
;
3832 ctx
->program
->needs_exact
= true;
3833 ctx
->block
->instructions
.emplace_back(std::move(store
));
3837 assert(data
.type() == RegType::vgpr
);
3838 Temp coords
= get_image_coords(ctx
, instr
, type
);
3839 Temp resource
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_IMAGE
, nullptr, true, true);
3841 aco_ptr
<MIMG_instruction
> store
{create_instruction
<MIMG_instruction
>(aco_opcode::image_store
, Format::MIMG
, 4, 0)};
3842 store
->operands
[0] = Operand(coords
);
3843 store
->operands
[1] = Operand(resource
);
3844 store
->operands
[2] = Operand(s4
);
3845 store
->operands
[3] = Operand(data
);
3848 store
->dim
= ac_get_image_dim(ctx
->options
->chip_class
, dim
, is_array
);
3849 store
->dmask
= (1 << data
.size()) - 1;
3851 store
->da
= should_declare_array(ctx
, dim
, glsl_sampler_type_is_array(type
));
3852 store
->disable_wqm
= true;
3853 store
->barrier
= barrier_image
;
3854 ctx
->program
->needs_exact
= true;
3855 ctx
->block
->instructions
.emplace_back(std::move(store
));
3859 void visit_image_atomic(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3861 /* return the previous value if dest is ever used */
3862 bool return_previous
= false;
3863 nir_foreach_use_safe(use_src
, &instr
->dest
.ssa
) {
3864 return_previous
= true;
3867 nir_foreach_if_use_safe(use_src
, &instr
->dest
.ssa
) {
3868 return_previous
= true;
3872 const nir_variable
*var
= nir_deref_instr_get_variable(nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
));
3873 const struct glsl_type
*type
= glsl_without_array(var
->type
);
3874 const enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
3875 bool is_array
= glsl_sampler_type_is_array(type
);
3876 Builder
bld(ctx
->program
, ctx
->block
);
3878 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[3].ssa
));
3879 assert(data
.size() == 1 && "64bit ssbo atomics not yet implemented.");
3881 if (instr
->intrinsic
== nir_intrinsic_image_deref_atomic_comp_swap
)
3882 data
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
), get_ssa_temp(ctx
, instr
->src
[4].ssa
), data
);
3884 aco_opcode buf_op
, image_op
;
3885 switch (instr
->intrinsic
) {
3886 case nir_intrinsic_image_deref_atomic_add
:
3887 buf_op
= aco_opcode::buffer_atomic_add
;
3888 image_op
= aco_opcode::image_atomic_add
;
3890 case nir_intrinsic_image_deref_atomic_umin
:
3891 buf_op
= aco_opcode::buffer_atomic_umin
;
3892 image_op
= aco_opcode::image_atomic_umin
;
3894 case nir_intrinsic_image_deref_atomic_imin
:
3895 buf_op
= aco_opcode::buffer_atomic_smin
;
3896 image_op
= aco_opcode::image_atomic_smin
;
3898 case nir_intrinsic_image_deref_atomic_umax
:
3899 buf_op
= aco_opcode::buffer_atomic_umax
;
3900 image_op
= aco_opcode::image_atomic_umax
;
3902 case nir_intrinsic_image_deref_atomic_imax
:
3903 buf_op
= aco_opcode::buffer_atomic_smax
;
3904 image_op
= aco_opcode::image_atomic_smax
;
3906 case nir_intrinsic_image_deref_atomic_and
:
3907 buf_op
= aco_opcode::buffer_atomic_and
;
3908 image_op
= aco_opcode::image_atomic_and
;
3910 case nir_intrinsic_image_deref_atomic_or
:
3911 buf_op
= aco_opcode::buffer_atomic_or
;
3912 image_op
= aco_opcode::image_atomic_or
;
3914 case nir_intrinsic_image_deref_atomic_xor
:
3915 buf_op
= aco_opcode::buffer_atomic_xor
;
3916 image_op
= aco_opcode::image_atomic_xor
;
3918 case nir_intrinsic_image_deref_atomic_exchange
:
3919 buf_op
= aco_opcode::buffer_atomic_swap
;
3920 image_op
= aco_opcode::image_atomic_swap
;
3922 case nir_intrinsic_image_deref_atomic_comp_swap
:
3923 buf_op
= aco_opcode::buffer_atomic_cmpswap
;
3924 image_op
= aco_opcode::image_atomic_cmpswap
;
3927 unreachable("visit_image_atomic should only be called with nir_intrinsic_image_deref_atomic_* instructions.");
3930 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
3932 if (dim
== GLSL_SAMPLER_DIM_BUF
) {
3933 Temp vindex
= emit_extract_vector(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
), 0, v1
);
3934 Temp resource
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_BUFFER
, nullptr, true, true);
3935 //assert(ctx->options->chip_class < GFX9 && "GFX9 stride size workaround not yet implemented.");
3936 aco_ptr
<MUBUF_instruction
> mubuf
{create_instruction
<MUBUF_instruction
>(buf_op
, Format::MUBUF
, 4, return_previous
? 1 : 0)};
3937 mubuf
->operands
[0] = Operand(vindex
);
3938 mubuf
->operands
[1] = Operand(resource
);
3939 mubuf
->operands
[2] = Operand((uint32_t)0);
3940 mubuf
->operands
[3] = Operand(data
);
3941 if (return_previous
)
3942 mubuf
->definitions
[0] = Definition(dst
);
3944 mubuf
->idxen
= true;
3945 mubuf
->glc
= return_previous
;
3946 mubuf
->dlc
= false; /* Not needed for atomics */
3947 mubuf
->disable_wqm
= true;
3948 mubuf
->barrier
= barrier_image
;
3949 ctx
->program
->needs_exact
= true;
3950 ctx
->block
->instructions
.emplace_back(std::move(mubuf
));
3954 Temp coords
= get_image_coords(ctx
, instr
, type
);
3955 Temp resource
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_IMAGE
, nullptr, true, true);
3956 aco_ptr
<MIMG_instruction
> mimg
{create_instruction
<MIMG_instruction
>(image_op
, Format::MIMG
, 4, return_previous
? 1 : 0)};
3957 mimg
->operands
[0] = Operand(coords
);
3958 mimg
->operands
[1] = Operand(resource
);
3959 mimg
->operands
[2] = Operand(s4
); /* no sampler */
3960 mimg
->operands
[3] = Operand(data
);
3961 if (return_previous
)
3962 mimg
->definitions
[0] = Definition(dst
);
3963 mimg
->glc
= return_previous
;
3964 mimg
->dlc
= false; /* Not needed for atomics */
3965 mimg
->dim
= ac_get_image_dim(ctx
->options
->chip_class
, dim
, is_array
);
3966 mimg
->dmask
= (1 << data
.size()) - 1;
3968 mimg
->da
= should_declare_array(ctx
, dim
, glsl_sampler_type_is_array(type
));
3969 mimg
->disable_wqm
= true;
3970 mimg
->barrier
= barrier_image
;
3971 ctx
->program
->needs_exact
= true;
3972 ctx
->block
->instructions
.emplace_back(std::move(mimg
));
3976 void get_buffer_size(isel_context
*ctx
, Temp desc
, Temp dst
, bool in_elements
)
3978 if (in_elements
&& ctx
->options
->chip_class
== GFX8
) {
3979 Builder
bld(ctx
->program
, ctx
->block
);
3981 Temp stride
= emit_extract_vector(ctx
, desc
, 1, s1
);
3982 stride
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
), stride
, Operand((5u << 16) | 16u));
3983 stride
= bld
.vop1(aco_opcode::v_cvt_f32_ubyte0
, bld
.def(v1
), stride
);
3984 stride
= bld
.vop1(aco_opcode::v_rcp_iflag_f32
, bld
.def(v1
), stride
);
3986 Temp size
= emit_extract_vector(ctx
, desc
, 2, s1
);
3987 size
= bld
.vop1(aco_opcode::v_cvt_f32_u32
, bld
.def(v1
), size
);
3989 Temp res
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), size
, stride
);
3990 res
= bld
.vop1(aco_opcode::v_cvt_u32_f32
, bld
.def(v1
), res
);
3991 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), res
);
3993 // TODO: we can probably calculate this faster on the scalar unit to do: size / stride{1,2,4,8,12,16}
3995 * for 1,2,4,8,16, the result is just (stride >> S_FF1_I32_B32)
3996 * in case 12 (or 3?), we have to divide by 3:
3997 * set v_skip in case it's 12 (if we also have to take care of 3, shift first)
3998 * use v_mul_hi_u32 with magic number to divide
3999 * we need some pseudo merge opcode to overwrite the original SALU result with readfirstlane
4001 * total: 6 SALU + 2 VALU instructions vs 1 SALU + 6 VALU instructions
4005 emit_extract_vector(ctx
, desc
, 2, dst
);
4009 void visit_image_size(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4011 const nir_variable
*var
= nir_deref_instr_get_variable(nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
));
4012 const struct glsl_type
*type
= glsl_without_array(var
->type
);
4013 const enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
4014 bool is_array
= glsl_sampler_type_is_array(type
);
4015 Builder
bld(ctx
->program
, ctx
->block
);
4017 if (glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_BUF
) {
4018 Temp desc
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_BUFFER
, NULL
, true, false);
4019 return get_buffer_size(ctx
, desc
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), true);
4023 Temp lod
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(0u));
4026 Temp resource
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_IMAGE
, NULL
, true, false);
4028 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4030 aco_ptr
<MIMG_instruction
> mimg
{create_instruction
<MIMG_instruction
>(aco_opcode::image_get_resinfo
, Format::MIMG
, 2, 1)};
4031 mimg
->operands
[0] = Operand(lod
);
4032 mimg
->operands
[1] = Operand(resource
);
4033 unsigned& dmask
= mimg
->dmask
;
4034 mimg
->dim
= ac_get_image_dim(ctx
->options
->chip_class
, dim
, is_array
);
4035 mimg
->dmask
= (1 << instr
->dest
.ssa
.num_components
) - 1;
4036 mimg
->da
= glsl_sampler_type_is_array(type
);
4037 mimg
->can_reorder
= true;
4038 Definition
& def
= mimg
->definitions
[0];
4039 ctx
->block
->instructions
.emplace_back(std::move(mimg
));
4041 if (glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_CUBE
&&
4042 glsl_sampler_type_is_array(type
)) {
4044 assert(instr
->dest
.ssa
.num_components
== 3);
4045 Temp tmp
= {ctx
->program
->allocateId(), v3
};
4046 def
= Definition(tmp
);
4047 emit_split_vector(ctx
, tmp
, 3);
4049 /* divide 3rd value by 6 by multiplying with magic number */
4050 Temp c
= bld
.copy(bld
.def(s1
), Operand((uint32_t) 0x2AAAAAAB));
4051 Temp by_6
= bld
.vop3(aco_opcode::v_mul_hi_i32
, bld
.def(v1
), emit_extract_vector(ctx
, tmp
, 2, v1
), c
);
4053 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
4054 emit_extract_vector(ctx
, tmp
, 0, v1
),
4055 emit_extract_vector(ctx
, tmp
, 1, v1
),
4058 } else if (ctx
->options
->chip_class
== GFX9
&&
4059 glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_1D
&&
4060 glsl_sampler_type_is_array(type
)) {
4061 assert(instr
->dest
.ssa
.num_components
== 2);
4062 def
= Definition(dst
);
4065 def
= Definition(dst
);
4068 emit_split_vector(ctx
, dst
, instr
->dest
.ssa
.num_components
);
4071 void visit_load_ssbo(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4073 Builder
bld(ctx
->program
, ctx
->block
);
4074 unsigned num_components
= instr
->num_components
;
4076 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4077 Temp rsrc
= convert_pointer_to_64_bit(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4078 rsrc
= bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), rsrc
, Operand(0u));
4080 bool glc
= nir_intrinsic_access(instr
) & (ACCESS_VOLATILE
| ACCESS_COHERENT
);
4081 load_buffer(ctx
, num_components
, dst
, rsrc
, get_ssa_temp(ctx
, instr
->src
[1].ssa
), glc
);
4084 void visit_store_ssbo(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4086 Builder
bld(ctx
->program
, ctx
->block
);
4087 Temp data
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
4088 unsigned elem_size_bytes
= instr
->src
[0].ssa
->bit_size
/ 8;
4089 unsigned writemask
= nir_intrinsic_write_mask(instr
);
4092 if (ctx
->options
->chip_class
< GFX8
)
4093 offset
= as_vgpr(ctx
,get_ssa_temp(ctx
, instr
->src
[2].ssa
));
4095 offset
= get_ssa_temp(ctx
, instr
->src
[2].ssa
);
4097 Temp rsrc
= convert_pointer_to_64_bit(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
4098 rsrc
= bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), rsrc
, Operand(0u));
4100 bool smem
= !ctx
->divergent_vals
[instr
->src
[2].ssa
->index
] &&
4101 ctx
->options
->chip_class
>= GFX8
;
4103 offset
= bld
.as_uniform(offset
);
4104 bool smem_nonfs
= smem
&& ctx
->stage
!= fragment_fs
;
4108 u_bit_scan_consecutive_range(&writemask
, &start
, &count
);
4109 if (count
== 3 && smem
) {
4110 writemask
|= 1u << (start
+ 2);
4113 int num_bytes
= count
* elem_size_bytes
;
4115 if (num_bytes
> 16) {
4116 assert(elem_size_bytes
== 8);
4117 writemask
|= (((count
- 2) << 1) - 1) << (start
+ 2);
4122 // TODO: check alignment of sub-dword stores
4123 // TODO: split 3 bytes. there is no store instruction for that
4126 if (count
!= instr
->num_components
) {
4127 emit_split_vector(ctx
, data
, instr
->num_components
);
4128 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, count
, 1)};
4129 for (int i
= 0; i
< count
; i
++) {
4130 Temp elem
= emit_extract_vector(ctx
, data
, start
+ i
, RegClass(data
.type(), elem_size_bytes
/ 4));
4131 vec
->operands
[i
] = Operand(smem_nonfs
? bld
.as_uniform(elem
) : elem
);
4133 write_data
= bld
.tmp(smem_nonfs
? RegType::sgpr
: data
.type(), count
* elem_size_bytes
/ 4);
4134 vec
->definitions
[0] = Definition(write_data
);
4135 ctx
->block
->instructions
.emplace_back(std::move(vec
));
4136 } else if (!smem
&& data
.type() != RegType::vgpr
) {
4137 assert(num_bytes
% 4 == 0);
4138 write_data
= bld
.copy(bld
.def(RegType::vgpr
, num_bytes
/ 4), data
);
4139 } else if (smem_nonfs
&& data
.type() == RegType::vgpr
) {
4140 assert(num_bytes
% 4 == 0);
4141 write_data
= bld
.as_uniform(data
);
4146 aco_opcode vmem_op
, smem_op
;
4147 switch (num_bytes
) {
4149 vmem_op
= aco_opcode::buffer_store_dword
;
4150 smem_op
= aco_opcode::s_buffer_store_dword
;
4153 vmem_op
= aco_opcode::buffer_store_dwordx2
;
4154 smem_op
= aco_opcode::s_buffer_store_dwordx2
;
4157 vmem_op
= aco_opcode::buffer_store_dwordx3
;
4158 smem_op
= aco_opcode::last_opcode
;
4162 vmem_op
= aco_opcode::buffer_store_dwordx4
;
4163 smem_op
= aco_opcode::s_buffer_store_dwordx4
;
4166 unreachable("Store SSBO not implemented for this size.");
4168 if (ctx
->stage
== fragment_fs
)
4169 smem_op
= aco_opcode::p_fs_buffer_store_smem
;
4172 aco_ptr
<SMEM_instruction
> store
{create_instruction
<SMEM_instruction
>(smem_op
, Format::SMEM
, 3, 0)};
4173 store
->operands
[0] = Operand(rsrc
);
4175 Temp off
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
),
4176 offset
, Operand(start
* elem_size_bytes
));
4177 store
->operands
[1] = Operand(off
);
4179 store
->operands
[1] = Operand(offset
);
4181 if (smem_op
!= aco_opcode::p_fs_buffer_store_smem
)
4182 store
->operands
[1].setFixed(m0
);
4183 store
->operands
[2] = Operand(write_data
);
4184 store
->glc
= nir_intrinsic_access(instr
) & (ACCESS_VOLATILE
| ACCESS_COHERENT
| ACCESS_NON_READABLE
);
4186 store
->disable_wqm
= true;
4187 store
->barrier
= barrier_buffer
;
4188 ctx
->block
->instructions
.emplace_back(std::move(store
));
4189 ctx
->program
->wb_smem_l1_on_end
= true;
4190 if (smem_op
== aco_opcode::p_fs_buffer_store_smem
) {
4191 ctx
->block
->kind
|= block_kind_needs_lowering
;
4192 ctx
->program
->needs_exact
= true;
4195 aco_ptr
<MUBUF_instruction
> store
{create_instruction
<MUBUF_instruction
>(vmem_op
, Format::MUBUF
, 4, 0)};
4196 store
->operands
[0] = offset
.type() == RegType::vgpr
? Operand(offset
) : Operand(v1
);
4197 store
->operands
[1] = Operand(rsrc
);
4198 store
->operands
[2] = offset
.type() == RegType::sgpr
? Operand(offset
) : Operand((uint32_t) 0);
4199 store
->operands
[3] = Operand(write_data
);
4200 store
->offset
= start
* elem_size_bytes
;
4201 store
->offen
= (offset
.type() == RegType::vgpr
);
4202 store
->glc
= nir_intrinsic_access(instr
) & (ACCESS_VOLATILE
| ACCESS_COHERENT
| ACCESS_NON_READABLE
);
4204 store
->disable_wqm
= true;
4205 store
->barrier
= barrier_buffer
;
4206 ctx
->program
->needs_exact
= true;
4207 ctx
->block
->instructions
.emplace_back(std::move(store
));
4212 void visit_atomic_ssbo(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4214 /* return the previous value if dest is ever used */
4215 bool return_previous
= false;
4216 nir_foreach_use_safe(use_src
, &instr
->dest
.ssa
) {
4217 return_previous
= true;
4220 nir_foreach_if_use_safe(use_src
, &instr
->dest
.ssa
) {
4221 return_previous
= true;
4225 Builder
bld(ctx
->program
, ctx
->block
);
4226 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[2].ssa
));
4228 if (instr
->intrinsic
== nir_intrinsic_ssbo_atomic_comp_swap
)
4229 data
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(RegType::vgpr
, data
.size() * 2),
4230 get_ssa_temp(ctx
, instr
->src
[3].ssa
), data
);
4233 if (ctx
->options
->chip_class
< GFX8
)
4234 offset
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
4236 offset
= get_ssa_temp(ctx
, instr
->src
[1].ssa
);
4238 Temp rsrc
= convert_pointer_to_64_bit(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4239 rsrc
= bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), rsrc
, Operand(0u));
4241 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4243 aco_opcode op32
, op64
;
4244 switch (instr
->intrinsic
) {
4245 case nir_intrinsic_ssbo_atomic_add
:
4246 op32
= aco_opcode::buffer_atomic_add
;
4247 op64
= aco_opcode::buffer_atomic_add_x2
;
4249 case nir_intrinsic_ssbo_atomic_imin
:
4250 op32
= aco_opcode::buffer_atomic_smin
;
4251 op64
= aco_opcode::buffer_atomic_smin_x2
;
4253 case nir_intrinsic_ssbo_atomic_umin
:
4254 op32
= aco_opcode::buffer_atomic_umin
;
4255 op64
= aco_opcode::buffer_atomic_umin_x2
;
4257 case nir_intrinsic_ssbo_atomic_imax
:
4258 op32
= aco_opcode::buffer_atomic_smax
;
4259 op64
= aco_opcode::buffer_atomic_smax_x2
;
4261 case nir_intrinsic_ssbo_atomic_umax
:
4262 op32
= aco_opcode::buffer_atomic_umax
;
4263 op64
= aco_opcode::buffer_atomic_umax_x2
;
4265 case nir_intrinsic_ssbo_atomic_and
:
4266 op32
= aco_opcode::buffer_atomic_and
;
4267 op64
= aco_opcode::buffer_atomic_and_x2
;
4269 case nir_intrinsic_ssbo_atomic_or
:
4270 op32
= aco_opcode::buffer_atomic_or
;
4271 op64
= aco_opcode::buffer_atomic_or_x2
;
4273 case nir_intrinsic_ssbo_atomic_xor
:
4274 op32
= aco_opcode::buffer_atomic_xor
;
4275 op64
= aco_opcode::buffer_atomic_xor_x2
;
4277 case nir_intrinsic_ssbo_atomic_exchange
:
4278 op32
= aco_opcode::buffer_atomic_swap
;
4279 op64
= aco_opcode::buffer_atomic_swap_x2
;
4281 case nir_intrinsic_ssbo_atomic_comp_swap
:
4282 op32
= aco_opcode::buffer_atomic_cmpswap
;
4283 op64
= aco_opcode::buffer_atomic_cmpswap_x2
;
4286 unreachable("visit_atomic_ssbo should only be called with nir_intrinsic_ssbo_atomic_* instructions.");
4288 aco_opcode op
= instr
->dest
.ssa
.bit_size
== 32 ? op32
: op64
;
4289 aco_ptr
<MUBUF_instruction
> mubuf
{create_instruction
<MUBUF_instruction
>(op
, Format::MUBUF
, 4, return_previous
? 1 : 0)};
4290 mubuf
->operands
[0] = offset
.type() == RegType::vgpr
? Operand(offset
) : Operand(v1
);
4291 mubuf
->operands
[1] = Operand(rsrc
);
4292 mubuf
->operands
[2] = offset
.type() == RegType::sgpr
? Operand(offset
) : Operand((uint32_t) 0);
4293 mubuf
->operands
[3] = Operand(data
);
4294 if (return_previous
)
4295 mubuf
->definitions
[0] = Definition(dst
);
4297 mubuf
->offen
= (offset
.type() == RegType::vgpr
);
4298 mubuf
->glc
= return_previous
;
4299 mubuf
->dlc
= false; /* Not needed for atomics */
4300 mubuf
->disable_wqm
= true;
4301 mubuf
->barrier
= barrier_buffer
;
4302 ctx
->program
->needs_exact
= true;
4303 ctx
->block
->instructions
.emplace_back(std::move(mubuf
));
4306 void visit_get_buffer_size(isel_context
*ctx
, nir_intrinsic_instr
*instr
) {
4308 Temp index
= convert_pointer_to_64_bit(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4309 Builder
bld(ctx
->program
, ctx
->block
);
4310 Temp desc
= bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), index
, Operand(0u));
4311 get_buffer_size(ctx
, desc
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), false);
4314 void visit_load_global(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4316 Builder
bld(ctx
->program
, ctx
->block
);
4317 unsigned num_components
= instr
->num_components
;
4318 unsigned num_bytes
= num_components
* instr
->dest
.ssa
.bit_size
/ 8;
4320 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4321 Temp addr
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
4323 bool glc
= nir_intrinsic_access(instr
) & (ACCESS_VOLATILE
| ACCESS_COHERENT
);
4324 bool dlc
= glc
&& ctx
->options
->chip_class
>= GFX10
;
4326 if (dst
.type() == RegType::vgpr
|| (glc
&& ctx
->options
->chip_class
< GFX8
)) {
4327 bool global
= ctx
->options
->chip_class
>= GFX9
;
4329 switch (num_bytes
) {
4331 op
= global
? aco_opcode::global_load_dword
: aco_opcode::flat_load_dword
;
4334 op
= global
? aco_opcode::global_load_dwordx2
: aco_opcode::flat_load_dwordx2
;
4337 op
= global
? aco_opcode::global_load_dwordx3
: aco_opcode::flat_load_dwordx3
;
4340 op
= global
? aco_opcode::global_load_dwordx4
: aco_opcode::flat_load_dwordx4
;
4343 unreachable("load_global not implemented for this size.");
4345 aco_ptr
<FLAT_instruction
> flat
{create_instruction
<FLAT_instruction
>(op
, global
? Format::GLOBAL
: Format::FLAT
, 2, 1)};
4346 flat
->operands
[0] = Operand(addr
);
4347 flat
->operands
[1] = Operand(s1
);
4351 if (dst
.type() == RegType::sgpr
) {
4352 Temp vec
= bld
.tmp(RegType::vgpr
, dst
.size());
4353 flat
->definitions
[0] = Definition(vec
);
4354 ctx
->block
->instructions
.emplace_back(std::move(flat
));
4355 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), vec
);
4357 flat
->definitions
[0] = Definition(dst
);
4358 ctx
->block
->instructions
.emplace_back(std::move(flat
));
4360 emit_split_vector(ctx
, dst
, num_components
);
4362 switch (num_bytes
) {
4364 op
= aco_opcode::s_load_dword
;
4367 op
= aco_opcode::s_load_dwordx2
;
4371 op
= aco_opcode::s_load_dwordx4
;
4374 unreachable("load_global not implemented for this size.");
4376 aco_ptr
<SMEM_instruction
> load
{create_instruction
<SMEM_instruction
>(op
, Format::SMEM
, 2, 1)};
4377 load
->operands
[0] = Operand(addr
);
4378 load
->operands
[1] = Operand(0u);
4379 load
->definitions
[0] = Definition(dst
);
4382 load
->barrier
= barrier_buffer
;
4383 assert(ctx
->options
->chip_class
>= GFX8
|| !glc
);
4385 if (dst
.size() == 3) {
4387 Temp vec
= bld
.tmp(s4
);
4388 load
->definitions
[0] = Definition(vec
);
4389 ctx
->block
->instructions
.emplace_back(std::move(load
));
4390 emit_split_vector(ctx
, vec
, 4);
4392 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
4393 emit_extract_vector(ctx
, vec
, 0, s1
),
4394 emit_extract_vector(ctx
, vec
, 1, s1
),
4395 emit_extract_vector(ctx
, vec
, 2, s1
));
4397 ctx
->block
->instructions
.emplace_back(std::move(load
));
4402 void visit_store_global(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4404 Builder
bld(ctx
->program
, ctx
->block
);
4405 unsigned elem_size_bytes
= instr
->src
[0].ssa
->bit_size
/ 8;
4407 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4408 Temp addr
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
4410 unsigned writemask
= nir_intrinsic_write_mask(instr
);
4413 u_bit_scan_consecutive_range(&writemask
, &start
, &count
);
4414 unsigned num_bytes
= count
* elem_size_bytes
;
4416 Temp write_data
= data
;
4417 if (count
!= instr
->num_components
) {
4418 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, count
, 1)};
4419 for (int i
= 0; i
< count
; i
++)
4420 vec
->operands
[i
] = Operand(emit_extract_vector(ctx
, data
, start
+ i
, v1
));
4421 write_data
= bld
.tmp(RegType::vgpr
, count
);
4422 vec
->definitions
[0] = Definition(write_data
);
4423 ctx
->block
->instructions
.emplace_back(std::move(vec
));
4426 unsigned offset
= start
* elem_size_bytes
;
4427 if (offset
> 0 && ctx
->options
->chip_class
< GFX9
) {
4428 Temp addr0
= bld
.tmp(v1
), addr1
= bld
.tmp(v1
);
4429 Temp new_addr0
= bld
.tmp(v1
), new_addr1
= bld
.tmp(v1
);
4430 Temp carry
= bld
.tmp(s2
);
4431 bld
.pseudo(aco_opcode::p_split_vector
, Definition(addr0
), Definition(addr1
), addr
);
4433 bld
.vop2(aco_opcode::v_add_co_u32
, Definition(new_addr0
), bld
.hint_vcc(Definition(carry
)),
4434 Operand(offset
), addr0
);
4435 bld
.vop2(aco_opcode::v_addc_co_u32
, Definition(new_addr1
), bld
.def(s2
),
4437 carry
).def(1).setHint(vcc
);
4439 addr
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
), new_addr0
, new_addr1
);
4444 bool glc
= nir_intrinsic_access(instr
) & (ACCESS_VOLATILE
| ACCESS_COHERENT
| ACCESS_NON_READABLE
);
4445 bool global
= ctx
->options
->chip_class
>= GFX9
;
4447 switch (num_bytes
) {
4449 op
= global
? aco_opcode::global_store_dword
: aco_opcode::flat_store_dword
;
4452 op
= global
? aco_opcode::global_store_dwordx2
: aco_opcode::flat_store_dwordx2
;
4455 op
= global
? aco_opcode::global_store_dwordx3
: aco_opcode::flat_store_dwordx3
;
4458 op
= global
? aco_opcode::global_store_dwordx4
: aco_opcode::flat_store_dwordx4
;
4461 unreachable("store_global not implemented for this size.");
4463 aco_ptr
<FLAT_instruction
> flat
{create_instruction
<FLAT_instruction
>(op
, global
? Format::GLOBAL
: Format::FLAT
, 3, 0)};
4464 flat
->operands
[0] = Operand(addr
);
4465 flat
->operands
[1] = Operand(s1
);
4466 flat
->operands
[2] = Operand(data
);
4469 flat
->offset
= offset
;
4470 ctx
->block
->instructions
.emplace_back(std::move(flat
));
4474 void emit_memory_barrier(isel_context
*ctx
, nir_intrinsic_instr
*instr
) {
4475 Builder
bld(ctx
->program
, ctx
->block
);
4476 switch(instr
->intrinsic
) {
4477 case nir_intrinsic_group_memory_barrier
:
4478 case nir_intrinsic_memory_barrier
:
4479 bld
.barrier(aco_opcode::p_memory_barrier_all
);
4481 case nir_intrinsic_memory_barrier_atomic_counter
:
4482 bld
.barrier(aco_opcode::p_memory_barrier_atomic
);
4484 case nir_intrinsic_memory_barrier_buffer
:
4485 bld
.barrier(aco_opcode::p_memory_barrier_buffer
);
4487 case nir_intrinsic_memory_barrier_image
:
4488 bld
.barrier(aco_opcode::p_memory_barrier_image
);
4490 case nir_intrinsic_memory_barrier_shared
:
4491 bld
.barrier(aco_opcode::p_memory_barrier_shared
);
4494 unreachable("Unimplemented memory barrier intrinsic");
4499 Operand
load_lds_size_m0(isel_context
*ctx
)
4501 /* TODO: m0 does not need to be initialized on GFX9+ */
4502 Builder
bld(ctx
->program
, ctx
->block
);
4503 return bld
.m0((Temp
)bld
.sopk(aco_opcode::s_movk_i32
, bld
.def(s1
, m0
), 0xffff));
4507 void visit_load_shared(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4509 // TODO: implement sparse reads using ds_read2_b32 and nir_ssa_def_components_read()
4510 Operand m
= load_lds_size_m0(ctx
);
4511 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4512 assert(instr
->dest
.ssa
.bit_size
>= 32 && "Bitsize not supported in load_shared.");
4513 Temp address
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4514 Builder
bld(ctx
->program
, ctx
->block
);
4516 unsigned elem_size_bytes
= instr
->dest
.ssa
.bit_size
/ 8;
4517 unsigned bytes_read
= 0;
4518 unsigned result_size
= 0;
4519 unsigned total_bytes
= instr
->num_components
* elem_size_bytes
;
4520 unsigned align
= nir_intrinsic_align_mul(instr
) ? nir_intrinsic_align(instr
) : instr
->dest
.ssa
.bit_size
/ 8;
4521 std::array
<Temp
, 4> result
;
4523 while (bytes_read
< total_bytes
) {
4524 unsigned todo
= total_bytes
- bytes_read
;
4525 bool aligned8
= bytes_read
% 8 == 0 && align
% 8 == 0;
4526 bool aligned16
= bytes_read
% 16 == 0 && align
% 16 == 0;
4528 aco_opcode op
= aco_opcode::last_opcode
;
4529 if (todo
>= 16 && aligned16
) {
4530 op
= aco_opcode::ds_read_b128
;
4532 } else if (todo
>= 12 && aligned16
) {
4533 op
= aco_opcode::ds_read_b96
;
4535 } else if (todo
>= 8) {
4536 op
= aligned8
? aco_opcode::ds_read_b64
: aco_opcode::ds_read2_b32
;
4538 } else if (todo
>= 4) {
4539 op
= aco_opcode::ds_read_b32
;
4544 assert(todo
% elem_size_bytes
== 0);
4545 unsigned num_elements
= todo
/ elem_size_bytes
;
4546 unsigned offset
= nir_intrinsic_base(instr
) + bytes_read
;
4547 unsigned max_offset
= op
== aco_opcode::ds_read2_b32
? 1019 : 65535;
4549 Temp address_offset
= address
;
4550 if (offset
> max_offset
) {
4551 address_offset
= bld
.vadd32(bld
.def(v1
), Operand((uint32_t)nir_intrinsic_base(instr
)), address_offset
);
4552 offset
= bytes_read
;
4554 assert(offset
<= max_offset
); /* bytes_read shouldn't be large enough for this to happen */
4557 if (instr
->num_components
== 1 && dst
.type() == RegType::vgpr
)
4560 res
= bld
.tmp(RegClass(RegType::vgpr
, todo
/ 4));
4562 if (op
== aco_opcode::ds_read2_b32
)
4563 res
= bld
.ds(op
, Definition(res
), address_offset
, m
, offset
>> 2, (offset
>> 2) + 1);
4565 res
= bld
.ds(op
, Definition(res
), address_offset
, m
, offset
);
4567 if (instr
->num_components
== 1) {
4568 assert(todo
== total_bytes
);
4569 if (dst
.type() == RegType::sgpr
)
4570 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), res
);
4574 if (dst
.type() == RegType::sgpr
)
4575 res
= bld
.as_uniform(res
);
4577 if (num_elements
== 1) {
4578 result
[result_size
++] = res
;
4580 assert(res
!= dst
&& res
.size() % num_elements
== 0);
4581 aco_ptr
<Pseudo_instruction
> split
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_split_vector
, Format::PSEUDO
, 1, num_elements
)};
4582 split
->operands
[0] = Operand(res
);
4583 for (unsigned i
= 0; i
< num_elements
; i
++)
4584 split
->definitions
[i
] = Definition(result
[result_size
++] = bld
.tmp(res
.type(), elem_size_bytes
/ 4));
4585 ctx
->block
->instructions
.emplace_back(std::move(split
));
4591 assert(result_size
== instr
->num_components
&& result_size
> 1);
4592 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, result_size
, 1)};
4593 for (unsigned i
= 0; i
< result_size
; i
++)
4594 vec
->operands
[i
] = Operand(result
[i
]);
4595 vec
->definitions
[0] = Definition(dst
);
4596 ctx
->block
->instructions
.emplace_back(std::move(vec
));
4597 ctx
->allocated_vec
.emplace(dst
.id(), result
);
4600 void ds_write_helper(isel_context
*ctx
, Operand m
, Temp address
, Temp data
, unsigned offset0
, unsigned offset1
, unsigned align
)
4602 Builder
bld(ctx
->program
, ctx
->block
);
4603 unsigned bytes_written
= 0;
4604 while (bytes_written
< data
.size() * 4) {
4605 unsigned todo
= data
.size() * 4 - bytes_written
;
4606 bool aligned8
= bytes_written
% 8 == 0 && align
% 8 == 0;
4607 bool aligned16
= bytes_written
% 16 == 0 && align
% 16 == 0;
4609 aco_opcode op
= aco_opcode::last_opcode
;
4611 if (todo
>= 16 && aligned16
) {
4612 op
= aco_opcode::ds_write_b128
;
4614 } else if (todo
>= 12 && aligned16
) {
4615 op
= aco_opcode::ds_write_b96
;
4617 } else if (todo
>= 8) {
4618 op
= aligned8
? aco_opcode::ds_write_b64
: aco_opcode::ds_write2_b32
;
4620 } else if (todo
>= 4) {
4621 op
= aco_opcode::ds_write_b32
;
4627 bool write2
= op
== aco_opcode::ds_write2_b32
;
4628 unsigned offset
= offset0
+ offset1
+ bytes_written
;
4629 unsigned max_offset
= write2
? 1020 : 65535;
4630 Temp address_offset
= address
;
4631 if (offset
> max_offset
) {
4632 address_offset
= bld
.vadd32(bld
.def(v1
), Operand(offset0
), address_offset
);
4633 offset
= offset1
+ bytes_written
;
4635 assert(offset
<= max_offset
); /* offset1 shouldn't be large enough for this to happen */
4638 Temp val0
= emit_extract_vector(ctx
, data
, bytes_written
>> 2, v1
);
4639 Temp val1
= emit_extract_vector(ctx
, data
, (bytes_written
>> 2) + 1, v1
);
4640 bld
.ds(op
, address_offset
, val0
, val1
, m
, offset
>> 2, (offset
>> 2) + 1);
4642 Temp val
= emit_extract_vector(ctx
, data
, bytes_written
>> 2, RegClass(RegType::vgpr
, size
));
4643 bld
.ds(op
, address_offset
, val
, m
, offset
);
4646 bytes_written
+= size
* 4;
4650 void visit_store_shared(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4652 unsigned offset
= nir_intrinsic_base(instr
);
4653 unsigned writemask
= nir_intrinsic_write_mask(instr
);
4654 Operand m
= load_lds_size_m0(ctx
);
4655 Temp data
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
4656 Temp address
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
4657 unsigned elem_size_bytes
= instr
->src
[0].ssa
->bit_size
/ 8;
4658 assert(elem_size_bytes
>= 4 && "Only 32bit & 64bit store_shared currently supported.");
4660 /* we need at most two stores for 32bit variables */
4661 int start
[2], count
[2];
4662 u_bit_scan_consecutive_range(&writemask
, &start
[0], &count
[0]);
4663 u_bit_scan_consecutive_range(&writemask
, &start
[1], &count
[1]);
4664 assert(writemask
== 0);
4666 /* one combined store is sufficient */
4667 if (count
[0] == count
[1]) {
4668 Builder
bld(ctx
->program
, ctx
->block
);
4670 Temp address_offset
= address
;
4671 if ((offset
>> 2) + start
[1] > 255) {
4672 address_offset
= bld
.vadd32(bld
.def(v1
), Operand(offset
), address_offset
);
4676 assert(count
[0] == 1);
4677 Temp val0
= emit_extract_vector(ctx
, data
, start
[0], v1
);
4678 Temp val1
= emit_extract_vector(ctx
, data
, start
[1], v1
);
4679 aco_opcode op
= elem_size_bytes
== 4 ? aco_opcode::ds_write2_b32
: aco_opcode::ds_write2_b64
;
4680 offset
= offset
/ elem_size_bytes
;
4681 bld
.ds(op
, address_offset
, val0
, val1
, m
,
4682 offset
+ start
[0], offset
+ start
[1]);
4686 unsigned align
= nir_intrinsic_align_mul(instr
) ? nir_intrinsic_align(instr
) : elem_size_bytes
;
4687 for (unsigned i
= 0; i
< 2; i
++) {
4691 Temp write_data
= emit_extract_vector(ctx
, data
, start
[i
], RegClass(RegType::vgpr
, count
[i
] * elem_size_bytes
/ 4));
4692 ds_write_helper(ctx
, m
, address
, write_data
, offset
, start
[i
] * elem_size_bytes
, align
);
4697 void visit_shared_atomic(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4699 unsigned offset
= nir_intrinsic_base(instr
);
4700 Operand m
= load_lds_size_m0(ctx
);
4701 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
4702 Temp address
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4704 unsigned num_operands
= 3;
4705 aco_opcode op32
, op64
, op32_rtn
, op64_rtn
;
4706 switch(instr
->intrinsic
) {
4707 case nir_intrinsic_shared_atomic_add
:
4708 op32
= aco_opcode::ds_add_u32
;
4709 op64
= aco_opcode::ds_add_u64
;
4710 op32_rtn
= aco_opcode::ds_add_rtn_u32
;
4711 op64_rtn
= aco_opcode::ds_add_rtn_u64
;
4713 case nir_intrinsic_shared_atomic_imin
:
4714 op32
= aco_opcode::ds_min_i32
;
4715 op64
= aco_opcode::ds_min_i64
;
4716 op32_rtn
= aco_opcode::ds_min_rtn_i32
;
4717 op64_rtn
= aco_opcode::ds_min_rtn_i64
;
4719 case nir_intrinsic_shared_atomic_umin
:
4720 op32
= aco_opcode::ds_min_u32
;
4721 op64
= aco_opcode::ds_min_u64
;
4722 op32_rtn
= aco_opcode::ds_min_rtn_u32
;
4723 op64_rtn
= aco_opcode::ds_min_rtn_u64
;
4725 case nir_intrinsic_shared_atomic_imax
:
4726 op32
= aco_opcode::ds_max_i32
;
4727 op64
= aco_opcode::ds_max_i64
;
4728 op32_rtn
= aco_opcode::ds_max_rtn_i32
;
4729 op64_rtn
= aco_opcode::ds_max_rtn_i64
;
4731 case nir_intrinsic_shared_atomic_umax
:
4732 op32
= aco_opcode::ds_max_u32
;
4733 op64
= aco_opcode::ds_max_u64
;
4734 op32_rtn
= aco_opcode::ds_max_rtn_u32
;
4735 op64_rtn
= aco_opcode::ds_max_rtn_u64
;
4737 case nir_intrinsic_shared_atomic_and
:
4738 op32
= aco_opcode::ds_and_b32
;
4739 op64
= aco_opcode::ds_and_b64
;
4740 op32_rtn
= aco_opcode::ds_and_rtn_b32
;
4741 op64_rtn
= aco_opcode::ds_and_rtn_b64
;
4743 case nir_intrinsic_shared_atomic_or
:
4744 op32
= aco_opcode::ds_or_b32
;
4745 op64
= aco_opcode::ds_or_b64
;
4746 op32_rtn
= aco_opcode::ds_or_rtn_b32
;
4747 op64_rtn
= aco_opcode::ds_or_rtn_b64
;
4749 case nir_intrinsic_shared_atomic_xor
:
4750 op32
= aco_opcode::ds_xor_b32
;
4751 op64
= aco_opcode::ds_xor_b64
;
4752 op32_rtn
= aco_opcode::ds_xor_rtn_b32
;
4753 op64_rtn
= aco_opcode::ds_xor_rtn_b64
;
4755 case nir_intrinsic_shared_atomic_exchange
:
4756 op32
= aco_opcode::ds_write_b32
;
4757 op64
= aco_opcode::ds_write_b64
;
4758 op32_rtn
= aco_opcode::ds_wrxchg_rtn_b32
;
4759 op64_rtn
= aco_opcode::ds_wrxchg2_rtn_b64
;
4761 case nir_intrinsic_shared_atomic_comp_swap
:
4762 op32
= aco_opcode::ds_cmpst_b32
;
4763 op64
= aco_opcode::ds_cmpst_b64
;
4764 op32_rtn
= aco_opcode::ds_cmpst_rtn_b32
;
4765 op64_rtn
= aco_opcode::ds_cmpst_rtn_b64
;
4769 unreachable("Unhandled shared atomic intrinsic");
4772 /* return the previous value if dest is ever used */
4773 bool return_previous
= false;
4774 nir_foreach_use_safe(use_src
, &instr
->dest
.ssa
) {
4775 return_previous
= true;
4778 nir_foreach_if_use_safe(use_src
, &instr
->dest
.ssa
) {
4779 return_previous
= true;
4784 if (data
.size() == 1) {
4785 assert(instr
->dest
.ssa
.bit_size
== 32);
4786 op
= return_previous
? op32_rtn
: op32
;
4788 assert(instr
->dest
.ssa
.bit_size
== 64);
4789 op
= return_previous
? op64_rtn
: op64
;
4792 if (offset
> 65535) {
4793 Builder
bld(ctx
->program
, ctx
->block
);
4794 address
= bld
.vadd32(bld
.def(v1
), Operand(offset
), address
);
4798 aco_ptr
<DS_instruction
> ds
;
4799 ds
.reset(create_instruction
<DS_instruction
>(op
, Format::DS
, num_operands
, return_previous
? 1 : 0));
4800 ds
->operands
[0] = Operand(address
);
4801 ds
->operands
[1] = Operand(data
);
4802 if (num_operands
== 4)
4803 ds
->operands
[2] = Operand(get_ssa_temp(ctx
, instr
->src
[2].ssa
));
4804 ds
->operands
[num_operands
- 1] = m
;
4805 ds
->offset0
= offset
;
4806 if (return_previous
)
4807 ds
->definitions
[0] = Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
));
4808 ctx
->block
->instructions
.emplace_back(std::move(ds
));
4811 Temp
get_scratch_resource(isel_context
*ctx
)
4813 Builder
bld(ctx
->program
, ctx
->block
);
4814 Temp scratch_addr
= ctx
->private_segment_buffer
;
4815 if (ctx
->stage
!= compute_cs
)
4816 scratch_addr
= bld
.smem(aco_opcode::s_load_dwordx2
, bld
.def(s2
), ctx
->private_segment_buffer
, Operand(0u));
4818 uint32_t rsrc_conf
= S_008F0C_ADD_TID_ENABLE(1) |
4819 S_008F0C_INDEX_STRIDE(ctx
->options
->wave_size
== 64 ? 3 : 2);;
4821 if (ctx
->program
->chip_class
>= GFX10
) {
4822 rsrc_conf
|= S_008F0C_FORMAT(V_008F0C_IMG_FORMAT_32_FLOAT
) |
4823 S_008F0C_OOB_SELECT(3) |
4824 S_008F0C_RESOURCE_LEVEL(1);
4825 } else if (ctx
->program
->chip_class
<= GFX7
) { /* dfmt modifies stride on GFX8/GFX9 when ADD_TID_EN=1 */
4826 rsrc_conf
|= S_008F0C_NUM_FORMAT(V_008F0C_BUF_NUM_FORMAT_FLOAT
) |
4827 S_008F0C_DATA_FORMAT(V_008F0C_BUF_DATA_FORMAT_32
);
4830 /* older generations need element size = 16 bytes. element size removed in GFX9 */
4831 if (ctx
->program
->chip_class
<= GFX8
)
4832 rsrc_conf
|= S_008F0C_ELEMENT_SIZE(3);
4834 return bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s4
), scratch_addr
, Operand(-1u), Operand(rsrc_conf
));
4837 void visit_load_scratch(isel_context
*ctx
, nir_intrinsic_instr
*instr
) {
4838 assert(instr
->dest
.ssa
.bit_size
== 32 || instr
->dest
.ssa
.bit_size
== 64);
4839 Builder
bld(ctx
->program
, ctx
->block
);
4840 Temp rsrc
= get_scratch_resource(ctx
);
4841 Temp offset
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4842 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4845 switch (dst
.size()) {
4847 op
= aco_opcode::buffer_load_dword
;
4850 op
= aco_opcode::buffer_load_dwordx2
;
4853 op
= aco_opcode::buffer_load_dwordx3
;
4856 op
= aco_opcode::buffer_load_dwordx4
;
4860 std::array
<Temp
,NIR_MAX_VEC_COMPONENTS
> elems
;
4861 Temp lower
= bld
.mubuf(aco_opcode::buffer_load_dwordx4
,
4862 bld
.def(v4
), offset
, rsrc
,
4863 ctx
->scratch_offset
, 0, true);
4864 Temp upper
= bld
.mubuf(dst
.size() == 6 ? aco_opcode::buffer_load_dwordx2
:
4865 aco_opcode::buffer_load_dwordx4
,
4866 dst
.size() == 6 ? bld
.def(v2
) : bld
.def(v4
),
4867 offset
, rsrc
, ctx
->scratch_offset
, 16, true);
4868 emit_split_vector(ctx
, lower
, 2);
4869 elems
[0] = emit_extract_vector(ctx
, lower
, 0, v2
);
4870 elems
[1] = emit_extract_vector(ctx
, lower
, 1, v2
);
4871 if (dst
.size() == 8) {
4872 emit_split_vector(ctx
, upper
, 2);
4873 elems
[2] = emit_extract_vector(ctx
, upper
, 0, v2
);
4874 elems
[3] = emit_extract_vector(ctx
, upper
, 1, v2
);
4879 aco_ptr
<Instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
,
4880 Format::PSEUDO
, dst
.size() / 2, 1)};
4881 for (unsigned i
= 0; i
< dst
.size() / 2; i
++)
4882 vec
->operands
[i
] = Operand(elems
[i
]);
4883 vec
->definitions
[0] = Definition(dst
);
4884 bld
.insert(std::move(vec
));
4885 ctx
->allocated_vec
.emplace(dst
.id(), elems
);
4889 unreachable("Wrong dst size for nir_intrinsic_load_scratch");
4892 bld
.mubuf(op
, Definition(dst
), offset
, rsrc
, ctx
->scratch_offset
, 0, true);
4893 emit_split_vector(ctx
, dst
, instr
->num_components
);
4896 void visit_store_scratch(isel_context
*ctx
, nir_intrinsic_instr
*instr
) {
4897 assert(instr
->src
[0].ssa
->bit_size
== 32 || instr
->src
[0].ssa
->bit_size
== 64);
4898 Builder
bld(ctx
->program
, ctx
->block
);
4899 Temp rsrc
= get_scratch_resource(ctx
);
4900 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4901 Temp offset
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
4903 unsigned elem_size_bytes
= instr
->src
[0].ssa
->bit_size
/ 8;
4904 unsigned writemask
= nir_intrinsic_write_mask(instr
);
4908 u_bit_scan_consecutive_range(&writemask
, &start
, &count
);
4909 int num_bytes
= count
* elem_size_bytes
;
4911 if (num_bytes
> 16) {
4912 assert(elem_size_bytes
== 8);
4913 writemask
|= (((count
- 2) << 1) - 1) << (start
+ 2);
4918 // TODO: check alignment of sub-dword stores
4919 // TODO: split 3 bytes. there is no store instruction for that
4922 if (count
!= instr
->num_components
) {
4923 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, count
, 1)};
4924 for (int i
= 0; i
< count
; i
++) {
4925 Temp elem
= emit_extract_vector(ctx
, data
, start
+ i
, RegClass(RegType::vgpr
, elem_size_bytes
/ 4));
4926 vec
->operands
[i
] = Operand(elem
);
4928 write_data
= bld
.tmp(RegClass(RegType::vgpr
, count
* elem_size_bytes
/ 4));
4929 vec
->definitions
[0] = Definition(write_data
);
4930 ctx
->block
->instructions
.emplace_back(std::move(vec
));
4936 switch (num_bytes
) {
4938 op
= aco_opcode::buffer_store_dword
;
4941 op
= aco_opcode::buffer_store_dwordx2
;
4944 op
= aco_opcode::buffer_store_dwordx3
;
4947 op
= aco_opcode::buffer_store_dwordx4
;
4950 unreachable("Invalid data size for nir_intrinsic_store_scratch.");
4953 bld
.mubuf(op
, offset
, rsrc
, ctx
->scratch_offset
, write_data
, start
* elem_size_bytes
, true);
4957 void visit_load_sample_mask_in(isel_context
*ctx
, nir_intrinsic_instr
*instr
) {
4958 uint8_t log2_ps_iter_samples
;
4959 if (ctx
->program
->info
->ps
.force_persample
) {
4960 log2_ps_iter_samples
=
4961 util_logbase2(ctx
->options
->key
.fs
.num_samples
);
4963 log2_ps_iter_samples
= ctx
->options
->key
.fs
.log2_ps_iter_samples
;
4966 /* The bit pattern matches that used by fixed function fragment
4968 static const unsigned ps_iter_masks
[] = {
4969 0xffff, /* not used */
4975 assert(log2_ps_iter_samples
< ARRAY_SIZE(ps_iter_masks
));
4977 Builder
bld(ctx
->program
, ctx
->block
);
4979 Temp sample_id
= bld
.vop3(aco_opcode::v_bfe_u32
, bld
.def(v1
), ctx
->fs_inputs
[fs_input::ancillary
], Operand(8u), Operand(4u));
4980 Temp ps_iter_mask
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(ps_iter_masks
[log2_ps_iter_samples
]));
4981 Temp mask
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), sample_id
, ps_iter_mask
);
4982 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4983 bld
.vop2(aco_opcode::v_and_b32
, Definition(dst
), mask
, ctx
->fs_inputs
[fs_input::sample_coverage
]);
4986 Temp
emit_boolean_reduce(isel_context
*ctx
, nir_op op
, unsigned cluster_size
, Temp src
)
4988 Builder
bld(ctx
->program
, ctx
->block
);
4990 if (cluster_size
== 1) {
4992 } if (op
== nir_op_iand
&& cluster_size
== 4) {
4993 //subgroupClusteredAnd(val, 4) -> ~wqm(exec & ~val)
4994 Temp tmp
= bld
.sop2(aco_opcode::s_andn2_b64
, bld
.def(s2
), bld
.def(s1
, scc
), Operand(exec
, s2
), src
);
4995 return bld
.sop1(aco_opcode::s_not_b64
, bld
.def(s2
), bld
.def(s1
, scc
),
4996 bld
.sop1(aco_opcode::s_wqm_b64
, bld
.def(s2
), bld
.def(s1
, scc
), tmp
));
4997 } else if (op
== nir_op_ior
&& cluster_size
== 4) {
4998 //subgroupClusteredOr(val, 4) -> wqm(val & exec)
4999 return bld
.sop1(aco_opcode::s_wqm_b64
, bld
.def(s2
), bld
.def(s1
, scc
),
5000 bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(exec
, s2
)));
5001 } else if (op
== nir_op_iand
&& cluster_size
== 64) {
5002 //subgroupAnd(val) -> (exec & ~val) == 0
5003 Temp tmp
= bld
.sop2(aco_opcode::s_andn2_b64
, bld
.def(s2
), bld
.def(s1
, scc
), Operand(exec
, s2
), src
).def(1).getTemp();
5004 return bld
.sopc(aco_opcode::s_cmp_eq_u32
, bld
.def(s1
, scc
), tmp
, Operand(0u));
5005 } else if (op
== nir_op_ior
&& cluster_size
== 64) {
5006 //subgroupOr(val) -> (val & exec) != 0
5007 return bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(exec
, s2
)).def(1).getTemp();
5008 } else if (op
== nir_op_ixor
&& cluster_size
== 64) {
5009 //subgroupXor(val) -> s_bcnt1_i32_b64(val & exec) & 1
5010 Temp tmp
= bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(exec
, s2
));
5011 tmp
= bld
.sop1(aco_opcode::s_bcnt1_i32_b64
, bld
.def(s2
), bld
.def(s1
, scc
), tmp
);
5012 return bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), tmp
, Operand(1u)).def(1).getTemp();
5014 //subgroupClustered{And,Or,Xor}(val, n) ->
5015 //lane_id = v_mbcnt_hi_u32_b32(-1, v_mbcnt_lo_u32_b32(-1, 0))
5016 //cluster_offset = ~(n - 1) & lane_id
5017 //cluster_mask = ((1 << n) - 1)
5018 //subgroupClusteredAnd():
5019 // return ((val | ~exec) >> cluster_offset) & cluster_mask == cluster_mask
5020 //subgroupClusteredOr():
5021 // return ((val & exec) >> cluster_offset) & cluster_mask != 0
5022 //subgroupClusteredXor():
5023 // return v_bnt_u32_b32(((val & exec) >> cluster_offset) & cluster_mask, 0) & 1 != 0
5024 Temp lane_id
= bld
.vop3(aco_opcode::v_mbcnt_hi_u32_b32
, bld
.def(v1
), Operand((uint32_t) -1),
5025 bld
.vop3(aco_opcode::v_mbcnt_lo_u32_b32
, bld
.def(v1
), Operand((uint32_t) -1), Operand(0u)));
5026 Temp cluster_offset
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(~uint32_t(cluster_size
- 1)), lane_id
);
5029 if (op
== nir_op_iand
)
5030 tmp
= bld
.sop2(aco_opcode::s_orn2_b64
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(exec
, s2
));
5032 tmp
= bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(exec
, s2
));
5034 uint32_t cluster_mask
= cluster_size
== 32 ? -1 : (1u << cluster_size
) - 1u;
5035 tmp
= bld
.vop3(aco_opcode::v_lshrrev_b64
, bld
.def(v2
), cluster_offset
, tmp
);
5036 tmp
= emit_extract_vector(ctx
, tmp
, 0, v1
);
5037 if (cluster_mask
!= 0xffffffff)
5038 tmp
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(cluster_mask
), tmp
);
5040 Definition cmp_def
= Definition();
5041 if (op
== nir_op_iand
) {
5042 cmp_def
= bld
.vopc(aco_opcode::v_cmp_eq_u32
, bld
.def(s2
), Operand(cluster_mask
), tmp
).def(0);
5043 } else if (op
== nir_op_ior
) {
5044 cmp_def
= bld
.vopc(aco_opcode::v_cmp_lg_u32
, bld
.def(s2
), Operand(0u), tmp
).def(0);
5045 } else if (op
== nir_op_ixor
) {
5046 tmp
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(1u),
5047 bld
.vop3(aco_opcode::v_bcnt_u32_b32
, bld
.def(v1
), tmp
, Operand(0u)));
5048 cmp_def
= bld
.vopc(aco_opcode::v_cmp_lg_u32
, bld
.def(s2
), Operand(0u), tmp
).def(0);
5050 cmp_def
.setHint(vcc
);
5051 return cmp_def
.getTemp();
5055 Temp
emit_boolean_exclusive_scan(isel_context
*ctx
, nir_op op
, Temp src
)
5057 Builder
bld(ctx
->program
, ctx
->block
);
5059 //subgroupExclusiveAnd(val) -> mbcnt(exec & ~val) == 0
5060 //subgroupExclusiveOr(val) -> mbcnt(val & exec) != 0
5061 //subgroupExclusiveXor(val) -> mbcnt(val & exec) & 1 != 0
5063 if (op
== nir_op_iand
)
5064 tmp
= bld
.sop2(aco_opcode::s_andn2_b64
, bld
.def(s2
), bld
.def(s1
, scc
), Operand(exec
, s2
), src
);
5066 tmp
= bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(exec
, s2
));
5068 Builder::Result lohi
= bld
.pseudo(aco_opcode::p_split_vector
, bld
.def(s1
), bld
.def(s1
), tmp
);
5069 Temp lo
= lohi
.def(0).getTemp();
5070 Temp hi
= lohi
.def(1).getTemp();
5071 Temp mbcnt
= bld
.vop3(aco_opcode::v_mbcnt_hi_u32_b32
, bld
.def(v1
), hi
,
5072 bld
.vop3(aco_opcode::v_mbcnt_lo_u32_b32
, bld
.def(v1
), lo
, Operand(0u)));
5074 Definition cmp_def
= Definition();
5075 if (op
== nir_op_iand
)
5076 cmp_def
= bld
.vopc(aco_opcode::v_cmp_eq_u32
, bld
.def(s2
), Operand(0u), mbcnt
).def(0);
5077 else if (op
== nir_op_ior
)
5078 cmp_def
= bld
.vopc(aco_opcode::v_cmp_lg_u32
, bld
.def(s2
), Operand(0u), mbcnt
).def(0);
5079 else if (op
== nir_op_ixor
)
5080 cmp_def
= bld
.vopc(aco_opcode::v_cmp_lg_u32
, bld
.def(s2
), Operand(0u),
5081 bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(1u), mbcnt
)).def(0);
5082 cmp_def
.setHint(vcc
);
5083 return cmp_def
.getTemp();
5086 Temp
emit_boolean_inclusive_scan(isel_context
*ctx
, nir_op op
, Temp src
)
5088 Builder
bld(ctx
->program
, ctx
->block
);
5090 //subgroupInclusiveAnd(val) -> subgroupExclusiveAnd(val) && val
5091 //subgroupInclusiveOr(val) -> subgroupExclusiveOr(val) || val
5092 //subgroupInclusiveXor(val) -> subgroupExclusiveXor(val) ^^ val
5093 Temp tmp
= emit_boolean_exclusive_scan(ctx
, op
, src
);
5094 if (op
== nir_op_iand
)
5095 return bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
), tmp
, src
);
5096 else if (op
== nir_op_ior
)
5097 return bld
.sop2(aco_opcode::s_or_b64
, bld
.def(s2
), bld
.def(s1
, scc
), tmp
, src
);
5098 else if (op
== nir_op_ixor
)
5099 return bld
.sop2(aco_opcode::s_xor_b64
, bld
.def(s2
), bld
.def(s1
, scc
), tmp
, src
);
5105 void emit_uniform_subgroup(isel_context
*ctx
, nir_intrinsic_instr
*instr
, Temp src
)
5107 Builder
bld(ctx
->program
, ctx
->block
);
5108 Definition
dst(get_ssa_temp(ctx
, &instr
->dest
.ssa
));
5109 if (src
.regClass().type() == RegType::vgpr
) {
5110 bld
.pseudo(aco_opcode::p_as_uniform
, dst
, src
);
5111 } else if (instr
->dest
.ssa
.bit_size
== 1 && src
.regClass() == s2
) {
5112 bld
.sopc(aco_opcode::s_cmp_lg_u64
, bld
.scc(dst
), Operand(0u), Operand(src
));
5113 } else if (src
.regClass() == s1
) {
5114 bld
.sop1(aco_opcode::s_mov_b32
, dst
, src
);
5115 } else if (src
.regClass() == s2
) {
5116 bld
.sop1(aco_opcode::s_mov_b64
, dst
, src
);
5118 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5119 nir_print_instr(&instr
->instr
, stderr
);
5120 fprintf(stderr
, "\n");
5124 void emit_interp_center(isel_context
*ctx
, Temp dst
, Temp pos1
, Temp pos2
)
5126 Builder
bld(ctx
->program
, ctx
->block
);
5127 Temp p1
= ctx
->fs_inputs
[fs_input::persp_center_p1
];
5128 Temp p2
= ctx
->fs_inputs
[fs_input::persp_center_p2
];
5131 Temp tl_1
= bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), p1
, dpp_quad_perm(0, 0, 0, 0));
5132 Temp ddx_1
= bld
.vop2_dpp(aco_opcode::v_sub_f32
, bld
.def(v1
), p1
, tl_1
, dpp_quad_perm(1, 1, 1, 1));
5133 Temp ddy_1
= bld
.vop2_dpp(aco_opcode::v_sub_f32
, bld
.def(v1
), p1
, tl_1
, dpp_quad_perm(2, 2, 2, 2));
5134 Temp tl_2
= bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), p2
, dpp_quad_perm(0, 0, 0, 0));
5135 Temp ddx_2
= bld
.vop2_dpp(aco_opcode::v_sub_f32
, bld
.def(v1
), p2
, tl_2
, dpp_quad_perm(1, 1, 1, 1));
5136 Temp ddy_2
= bld
.vop2_dpp(aco_opcode::v_sub_f32
, bld
.def(v1
), p2
, tl_2
, dpp_quad_perm(2, 2, 2, 2));
5138 /* res_k = p_k + ddx_k * pos1 + ddy_k * pos2 */
5139 Temp tmp1
= bld
.vop3(aco_opcode::v_mad_f32
, bld
.def(v1
), ddx_1
, pos1
, p1
);
5140 Temp tmp2
= bld
.vop3(aco_opcode::v_mad_f32
, bld
.def(v1
), ddx_2
, pos1
, p2
);
5141 tmp1
= bld
.vop3(aco_opcode::v_mad_f32
, bld
.def(v1
), ddy_1
, pos2
, tmp1
);
5142 tmp2
= bld
.vop3(aco_opcode::v_mad_f32
, bld
.def(v1
), ddy_2
, pos2
, tmp2
);
5143 Temp wqm1
= bld
.tmp(v1
);
5144 emit_wqm(ctx
, tmp1
, wqm1
, true);
5145 Temp wqm2
= bld
.tmp(v1
);
5146 emit_wqm(ctx
, tmp2
, wqm2
, true);
5147 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), wqm1
, wqm2
);
5151 void visit_intrinsic(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
5153 Builder
bld(ctx
->program
, ctx
->block
);
5154 switch(instr
->intrinsic
) {
5155 case nir_intrinsic_load_barycentric_sample
:
5156 case nir_intrinsic_load_barycentric_pixel
:
5157 case nir_intrinsic_load_barycentric_centroid
: {
5158 glsl_interp_mode mode
= (glsl_interp_mode
)nir_intrinsic_interp_mode(instr
);
5159 fs_input input
= get_interp_input(instr
->intrinsic
, mode
);
5161 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5162 if (input
== fs_input::max_inputs
) {
5163 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
5164 Operand(0u), Operand(0u));
5166 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
5167 ctx
->fs_inputs
[input
],
5168 ctx
->fs_inputs
[input
+ 1]);
5170 emit_split_vector(ctx
, dst
, 2);
5173 case nir_intrinsic_load_barycentric_at_sample
: {
5174 uint32_t sample_pos_offset
= RING_PS_SAMPLE_POSITIONS
* 16;
5175 switch (ctx
->options
->key
.fs
.num_samples
) {
5176 case 2: sample_pos_offset
+= 1 << 3; break;
5177 case 4: sample_pos_offset
+= 3 << 3; break;
5178 case 8: sample_pos_offset
+= 7 << 3; break;
5182 Temp addr
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5183 nir_const_value
* const_addr
= nir_src_as_const_value(instr
->src
[0]);
5184 if (addr
.type() == RegType::sgpr
) {
5187 sample_pos_offset
+= const_addr
->u32
<< 3;
5188 offset
= Operand(sample_pos_offset
);
5189 } else if (ctx
->options
->chip_class
>= GFX9
) {
5190 offset
= bld
.sop2(aco_opcode::s_lshl3_add_u32
, bld
.def(s1
), bld
.def(s1
, scc
), addr
, Operand(sample_pos_offset
));
5192 offset
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), addr
, Operand(3u));
5193 offset
= bld
.sop2(aco_opcode::s_add_u32
, bld
.def(s1
), bld
.def(s1
, scc
), addr
, Operand(sample_pos_offset
));
5195 addr
= ctx
->private_segment_buffer
;
5196 sample_pos
= bld
.smem(aco_opcode::s_load_dwordx2
, bld
.def(s2
), addr
, Operand(offset
));
5198 } else if (ctx
->options
->chip_class
>= GFX9
) {
5199 addr
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(3u), addr
);
5200 sample_pos
= bld
.global(aco_opcode::global_load_dwordx2
, bld
.def(v2
), addr
, ctx
->private_segment_buffer
, sample_pos_offset
);
5202 /* addr += ctx->private_segment_buffer + sample_pos_offset */
5203 Temp tmp0
= bld
.tmp(s1
);
5204 Temp tmp1
= bld
.tmp(s1
);
5205 bld
.pseudo(aco_opcode::p_split_vector
, Definition(tmp0
), Definition(tmp1
), ctx
->private_segment_buffer
);
5206 Definition scc_tmp
= bld
.def(s1
, scc
);
5207 tmp0
= bld
.sop2(aco_opcode::s_add_u32
, bld
.def(s1
), scc_tmp
, tmp0
, Operand(sample_pos_offset
));
5208 tmp1
= bld
.sop2(aco_opcode::s_addc_u32
, bld
.def(s1
), bld
.def(s1
, scc
), tmp1
, Operand(0u), scc_tmp
.getTemp());
5209 addr
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(3u), addr
);
5210 Temp pck0
= bld
.tmp(v1
);
5211 Temp carry
= bld
.vadd32(Definition(pck0
), tmp0
, addr
, true).def(1).getTemp();
5212 tmp1
= as_vgpr(ctx
, tmp1
);
5213 Temp pck1
= bld
.vop2_e64(aco_opcode::v_addc_co_u32
, bld
.def(v1
), bld
.hint_vcc(bld
.def(s2
)), tmp1
, Operand(0u), carry
);
5214 addr
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
), pck0
, pck1
);
5216 /* sample_pos = flat_load_dwordx2 addr */
5217 sample_pos
= bld
.flat(aco_opcode::flat_load_dwordx2
, bld
.def(v2
), addr
, Operand(s1
));
5220 /* sample_pos -= 0.5 */
5221 Temp pos1
= bld
.tmp(RegClass(sample_pos
.type(), 1));
5222 Temp pos2
= bld
.tmp(RegClass(sample_pos
.type(), 1));
5223 bld
.pseudo(aco_opcode::p_split_vector
, Definition(pos1
), Definition(pos2
), sample_pos
);
5224 pos1
= bld
.vop2_e64(aco_opcode::v_sub_f32
, bld
.def(v1
), pos1
, Operand(0x3f000000u
));
5225 pos2
= bld
.vop2_e64(aco_opcode::v_sub_f32
, bld
.def(v1
), pos2
, Operand(0x3f000000u
));
5227 emit_interp_center(ctx
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), pos1
, pos2
);
5230 case nir_intrinsic_load_barycentric_at_offset
: {
5231 Temp offset
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5232 RegClass rc
= RegClass(offset
.type(), 1);
5233 Temp pos1
= bld
.tmp(rc
), pos2
= bld
.tmp(rc
);
5234 bld
.pseudo(aco_opcode::p_split_vector
, Definition(pos1
), Definition(pos2
), offset
);
5235 emit_interp_center(ctx
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), pos1
, pos2
);
5238 case nir_intrinsic_load_front_face
: {
5239 bld
.vopc(aco_opcode::v_cmp_lg_u32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)),
5240 Operand(0u), ctx
->fs_inputs
[fs_input::front_face
]).def(0).setHint(vcc
);
5243 case nir_intrinsic_load_view_index
:
5244 case nir_intrinsic_load_layer_id
: {
5245 if (instr
->intrinsic
== nir_intrinsic_load_view_index
&& (ctx
->stage
& sw_vs
)) {
5246 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5247 bld
.copy(Definition(dst
), Operand(ctx
->view_index
));
5251 unsigned idx
= nir_intrinsic_base(instr
);
5252 bld
.vintrp(aco_opcode::v_interp_mov_f32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)),
5253 Operand(2u), bld
.m0(ctx
->prim_mask
), idx
, 0);
5256 case nir_intrinsic_load_frag_coord
: {
5257 emit_load_frag_coord(ctx
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), 4);
5260 case nir_intrinsic_load_sample_pos
: {
5261 Temp posx
= ctx
->fs_inputs
[fs_input::frag_pos_0
];
5262 Temp posy
= ctx
->fs_inputs
[fs_input::frag_pos_1
];
5263 bld
.pseudo(aco_opcode::p_create_vector
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)),
5264 posx
.id() ? bld
.vop1(aco_opcode::v_fract_f32
, bld
.def(v1
), posx
) : Operand(0u),
5265 posy
.id() ? bld
.vop1(aco_opcode::v_fract_f32
, bld
.def(v1
), posy
) : Operand(0u));
5268 case nir_intrinsic_load_interpolated_input
:
5269 visit_load_interpolated_input(ctx
, instr
);
5271 case nir_intrinsic_store_output
:
5272 visit_store_output(ctx
, instr
);
5274 case nir_intrinsic_load_input
:
5275 visit_load_input(ctx
, instr
);
5277 case nir_intrinsic_load_ubo
:
5278 visit_load_ubo(ctx
, instr
);
5280 case nir_intrinsic_load_push_constant
:
5281 visit_load_push_constant(ctx
, instr
);
5283 case nir_intrinsic_load_constant
:
5284 visit_load_constant(ctx
, instr
);
5286 case nir_intrinsic_vulkan_resource_index
:
5287 visit_load_resource(ctx
, instr
);
5289 case nir_intrinsic_discard
:
5290 visit_discard(ctx
, instr
);
5292 case nir_intrinsic_discard_if
:
5293 visit_discard_if(ctx
, instr
);
5295 case nir_intrinsic_load_shared
:
5296 visit_load_shared(ctx
, instr
);
5298 case nir_intrinsic_store_shared
:
5299 visit_store_shared(ctx
, instr
);
5301 case nir_intrinsic_shared_atomic_add
:
5302 case nir_intrinsic_shared_atomic_imin
:
5303 case nir_intrinsic_shared_atomic_umin
:
5304 case nir_intrinsic_shared_atomic_imax
:
5305 case nir_intrinsic_shared_atomic_umax
:
5306 case nir_intrinsic_shared_atomic_and
:
5307 case nir_intrinsic_shared_atomic_or
:
5308 case nir_intrinsic_shared_atomic_xor
:
5309 case nir_intrinsic_shared_atomic_exchange
:
5310 case nir_intrinsic_shared_atomic_comp_swap
:
5311 visit_shared_atomic(ctx
, instr
);
5313 case nir_intrinsic_image_deref_load
:
5314 visit_image_load(ctx
, instr
);
5316 case nir_intrinsic_image_deref_store
:
5317 visit_image_store(ctx
, instr
);
5319 case nir_intrinsic_image_deref_atomic_add
:
5320 case nir_intrinsic_image_deref_atomic_umin
:
5321 case nir_intrinsic_image_deref_atomic_imin
:
5322 case nir_intrinsic_image_deref_atomic_umax
:
5323 case nir_intrinsic_image_deref_atomic_imax
:
5324 case nir_intrinsic_image_deref_atomic_and
:
5325 case nir_intrinsic_image_deref_atomic_or
:
5326 case nir_intrinsic_image_deref_atomic_xor
:
5327 case nir_intrinsic_image_deref_atomic_exchange
:
5328 case nir_intrinsic_image_deref_atomic_comp_swap
:
5329 visit_image_atomic(ctx
, instr
);
5331 case nir_intrinsic_image_deref_size
:
5332 visit_image_size(ctx
, instr
);
5334 case nir_intrinsic_load_ssbo
:
5335 visit_load_ssbo(ctx
, instr
);
5337 case nir_intrinsic_store_ssbo
:
5338 visit_store_ssbo(ctx
, instr
);
5340 case nir_intrinsic_load_global
:
5341 visit_load_global(ctx
, instr
);
5343 case nir_intrinsic_store_global
:
5344 visit_store_global(ctx
, instr
);
5346 case nir_intrinsic_ssbo_atomic_add
:
5347 case nir_intrinsic_ssbo_atomic_imin
:
5348 case nir_intrinsic_ssbo_atomic_umin
:
5349 case nir_intrinsic_ssbo_atomic_imax
:
5350 case nir_intrinsic_ssbo_atomic_umax
:
5351 case nir_intrinsic_ssbo_atomic_and
:
5352 case nir_intrinsic_ssbo_atomic_or
:
5353 case nir_intrinsic_ssbo_atomic_xor
:
5354 case nir_intrinsic_ssbo_atomic_exchange
:
5355 case nir_intrinsic_ssbo_atomic_comp_swap
:
5356 visit_atomic_ssbo(ctx
, instr
);
5358 case nir_intrinsic_load_scratch
:
5359 visit_load_scratch(ctx
, instr
);
5361 case nir_intrinsic_store_scratch
:
5362 visit_store_scratch(ctx
, instr
);
5364 case nir_intrinsic_get_buffer_size
:
5365 visit_get_buffer_size(ctx
, instr
);
5367 case nir_intrinsic_barrier
: {
5368 unsigned* bsize
= ctx
->program
->info
->cs
.block_size
;
5369 unsigned workgroup_size
= bsize
[0] * bsize
[1] * bsize
[2];
5370 if (workgroup_size
> 64)
5371 bld
.sopp(aco_opcode::s_barrier
);
5374 case nir_intrinsic_group_memory_barrier
:
5375 case nir_intrinsic_memory_barrier
:
5376 case nir_intrinsic_memory_barrier_atomic_counter
:
5377 case nir_intrinsic_memory_barrier_buffer
:
5378 case nir_intrinsic_memory_barrier_image
:
5379 case nir_intrinsic_memory_barrier_shared
:
5380 emit_memory_barrier(ctx
, instr
);
5382 case nir_intrinsic_load_num_work_groups
:
5383 case nir_intrinsic_load_work_group_id
:
5384 case nir_intrinsic_load_local_invocation_id
: {
5385 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5387 if (instr
->intrinsic
== nir_intrinsic_load_num_work_groups
)
5388 ids
= ctx
->num_workgroups
;
5389 else if (instr
->intrinsic
== nir_intrinsic_load_work_group_id
)
5390 ids
= ctx
->workgroup_ids
;
5392 ids
= ctx
->local_invocation_ids
;
5393 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
5394 ids
[0].id() ? Operand(ids
[0]) : Operand(1u),
5395 ids
[1].id() ? Operand(ids
[1]) : Operand(1u),
5396 ids
[2].id() ? Operand(ids
[2]) : Operand(1u));
5397 emit_split_vector(ctx
, dst
, 3);
5400 case nir_intrinsic_load_local_invocation_index
: {
5401 Temp id
= bld
.vop3(aco_opcode::v_mbcnt_hi_u32_b32
, bld
.def(v1
), Operand((uint32_t) -1),
5402 bld
.vop3(aco_opcode::v_mbcnt_lo_u32_b32
, bld
.def(v1
), Operand((uint32_t) -1), Operand(0u)));
5403 Temp tg_num
= bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0xfc0u
), ctx
->tg_size
);
5404 bld
.vop2(aco_opcode::v_or_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), tg_num
, id
);
5407 case nir_intrinsic_load_subgroup_id
: {
5408 if (ctx
->stage
== compute_cs
) {
5409 Temp tg_num
= bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0xfc0u
), ctx
->tg_size
);
5410 bld
.sop2(aco_opcode::s_lshr_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), bld
.def(s1
, scc
), tg_num
, Operand(0x6u
));
5412 bld
.sop1(aco_opcode::s_mov_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), Operand(0x0u
));
5416 case nir_intrinsic_load_subgroup_invocation
: {
5417 bld
.vop3(aco_opcode::v_mbcnt_hi_u32_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), Operand((uint32_t) -1),
5418 bld
.vop3(aco_opcode::v_mbcnt_lo_u32_b32
, bld
.def(v1
), Operand((uint32_t) -1), Operand(0u)));
5421 case nir_intrinsic_load_num_subgroups
: {
5422 if (ctx
->stage
== compute_cs
)
5423 bld
.sop2(aco_opcode::s_and_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), bld
.def(s1
, scc
), Operand(0x3fu
), ctx
->tg_size
);
5425 bld
.sop1(aco_opcode::s_mov_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), Operand(0x1u
));
5428 case nir_intrinsic_ballot
: {
5429 Definition tmp
= bld
.def(s2
);
5430 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5431 if (instr
->src
[0].ssa
->bit_size
== 1 && src
.regClass() == s2
) {
5432 bld
.sop2(aco_opcode::s_and_b64
, tmp
, bld
.def(s1
, scc
), Operand(exec
, s2
), src
);
5433 } else if (instr
->src
[0].ssa
->bit_size
== 1 && src
.regClass() == s1
) {
5434 bld
.sop2(aco_opcode::s_cselect_b64
, tmp
, Operand(exec
, s2
), Operand(0u), bld
.scc(src
));
5435 } else if (instr
->src
[0].ssa
->bit_size
== 32 && src
.regClass() == v1
) {
5436 bld
.vopc(aco_opcode::v_cmp_lg_u32
, tmp
, Operand(0u), src
);
5437 } else if (instr
->src
[0].ssa
->bit_size
== 64 && src
.regClass() == v2
) {
5438 bld
.vopc(aco_opcode::v_cmp_lg_u64
, tmp
, Operand(0u), src
);
5440 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5441 nir_print_instr(&instr
->instr
, stderr
);
5442 fprintf(stderr
, "\n");
5444 emit_wqm(ctx
, tmp
.getTemp(), get_ssa_temp(ctx
, &instr
->dest
.ssa
));
5447 case nir_intrinsic_shuffle
: {
5448 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5449 if (!ctx
->divergent_vals
[instr
->dest
.ssa
.index
]) {
5450 emit_uniform_subgroup(ctx
, instr
, src
);
5452 Temp tid
= get_ssa_temp(ctx
, instr
->src
[1].ssa
);
5453 assert(tid
.regClass() == v1
);
5454 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5455 if (src
.regClass() == v1
) {
5456 tid
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(2u), tid
);
5457 emit_wqm(ctx
, bld
.ds(aco_opcode::ds_bpermute_b32
, bld
.def(v1
), tid
, src
), dst
);
5458 } else if (src
.regClass() == v2
) {
5459 tid
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(2u), tid
);
5461 Temp lo
= bld
.tmp(v1
), hi
= bld
.tmp(v1
);
5462 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lo
), Definition(hi
), src
);
5463 lo
= emit_wqm(ctx
, bld
.ds(aco_opcode::ds_bpermute_b32
, bld
.def(v1
), tid
, lo
));
5464 hi
= emit_wqm(ctx
, bld
.ds(aco_opcode::ds_bpermute_b32
, bld
.def(v1
), tid
, hi
));
5465 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
5466 emit_split_vector(ctx
, dst
, 2);
5467 } else if (instr
->dest
.ssa
.bit_size
== 1 && src
.regClass() == s2
) {
5468 Temp tmp
= bld
.vop3(aco_opcode::v_lshrrev_b64
, bld
.def(v2
), tid
, src
);
5469 tmp
= emit_extract_vector(ctx
, tmp
, 0, v1
);
5470 tmp
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(1u), tmp
);
5471 emit_wqm(ctx
, bld
.vopc(aco_opcode::v_cmp_lg_u32
, bld
.def(s2
), Operand(0u), tmp
), dst
);
5473 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5474 nir_print_instr(&instr
->instr
, stderr
);
5475 fprintf(stderr
, "\n");
5480 case nir_intrinsic_load_sample_id
: {
5481 bld
.vop3(aco_opcode::v_bfe_u32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)),
5482 ctx
->fs_inputs
[ancillary
], Operand(8u), Operand(4u));
5485 case nir_intrinsic_load_sample_mask_in
: {
5486 visit_load_sample_mask_in(ctx
, instr
);
5489 case nir_intrinsic_read_first_invocation
: {
5490 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5491 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5492 if (src
.regClass() == v1
) {
5494 bld
.vop1(aco_opcode::v_readfirstlane_b32
, bld
.def(s1
), src
),
5496 } else if (src
.regClass() == v2
) {
5497 Temp lo
= bld
.tmp(v1
), hi
= bld
.tmp(v1
);
5498 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lo
), Definition(hi
), src
);
5499 lo
= emit_wqm(ctx
, bld
.vop1(aco_opcode::v_readfirstlane_b32
, bld
.def(s1
), lo
));
5500 hi
= emit_wqm(ctx
, bld
.vop1(aco_opcode::v_readfirstlane_b32
, bld
.def(s1
), hi
));
5501 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
5502 emit_split_vector(ctx
, dst
, 2);
5503 } else if (instr
->dest
.ssa
.bit_size
== 1 && src
.regClass() == s2
) {
5505 bld
.sopc(aco_opcode::s_bitcmp1_b64
, bld
.def(s1
, scc
), src
,
5506 bld
.sop1(aco_opcode::s_ff1_i32_b64
, bld
.def(s1
), Operand(exec
, s2
))),
5508 } else if (src
.regClass() == s1
) {
5509 bld
.sop1(aco_opcode::s_mov_b32
, Definition(dst
), src
);
5510 } else if (src
.regClass() == s2
) {
5511 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), src
);
5513 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5514 nir_print_instr(&instr
->instr
, stderr
);
5515 fprintf(stderr
, "\n");
5519 case nir_intrinsic_read_invocation
: {
5520 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5521 Temp lane
= get_ssa_temp(ctx
, instr
->src
[1].ssa
);
5522 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5523 assert(lane
.regClass() == s1
);
5524 if (src
.regClass() == v1
) {
5525 emit_wqm(ctx
, bld
.vop3(aco_opcode::v_readlane_b32
, bld
.def(s1
), src
, lane
), dst
);
5526 } else if (src
.regClass() == v2
) {
5527 Temp lo
= bld
.tmp(v1
), hi
= bld
.tmp(v1
);
5528 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lo
), Definition(hi
), src
);
5529 lo
= emit_wqm(ctx
, bld
.vop3(aco_opcode::v_readlane_b32
, bld
.def(s1
), lo
, lane
));
5530 hi
= emit_wqm(ctx
, bld
.vop3(aco_opcode::v_readlane_b32
, bld
.def(s1
), hi
, lane
));
5531 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
5532 emit_split_vector(ctx
, dst
, 2);
5533 } else if (instr
->dest
.ssa
.bit_size
== 1 && src
.regClass() == s2
) {
5534 emit_wqm(ctx
, bld
.sopc(aco_opcode::s_bitcmp1_b64
, bld
.def(s1
, scc
), src
, lane
), dst
);
5535 } else if (src
.regClass() == s1
) {
5536 bld
.sop1(aco_opcode::s_mov_b32
, Definition(dst
), src
);
5537 } else if (src
.regClass() == s2
) {
5538 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), src
);
5540 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5541 nir_print_instr(&instr
->instr
, stderr
);
5542 fprintf(stderr
, "\n");
5546 case nir_intrinsic_vote_all
: {
5547 Temp src
= as_divergent_bool(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
), false);
5548 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5549 assert(src
.regClass() == s2
);
5550 assert(dst
.regClass() == s1
);
5552 Definition tmp
= bld
.def(s1
);
5553 bld
.sopc(aco_opcode::s_cmp_eq_u64
, bld
.scc(tmp
),
5554 bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(exec
, s2
)),
5556 emit_wqm(ctx
, tmp
.getTemp(), dst
);
5559 case nir_intrinsic_vote_any
: {
5560 Temp src
= as_divergent_bool(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
), false);
5561 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5562 assert(src
.regClass() == s2
);
5563 assert(dst
.regClass() == s1
);
5565 Definition tmp
= bld
.def(s1
);
5566 bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.scc(tmp
), src
, Operand(exec
, s2
));
5567 emit_wqm(ctx
, tmp
.getTemp(), dst
);
5570 case nir_intrinsic_reduce
:
5571 case nir_intrinsic_inclusive_scan
:
5572 case nir_intrinsic_exclusive_scan
: {
5573 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5574 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5575 nir_op op
= (nir_op
) nir_intrinsic_reduction_op(instr
);
5576 unsigned cluster_size
= instr
->intrinsic
== nir_intrinsic_reduce
?
5577 nir_intrinsic_cluster_size(instr
) : 0;
5578 cluster_size
= util_next_power_of_two(MIN2(cluster_size
? cluster_size
: 64, 64));
5580 if (!ctx
->divergent_vals
[instr
->src
[0].ssa
->index
] && (op
== nir_op_ior
|| op
== nir_op_iand
)) {
5581 emit_uniform_subgroup(ctx
, instr
, src
);
5582 } else if (instr
->dest
.ssa
.bit_size
== 1) {
5583 if (op
== nir_op_imul
|| op
== nir_op_umin
|| op
== nir_op_imin
)
5585 else if (op
== nir_op_iadd
)
5587 else if (op
== nir_op_umax
|| op
== nir_op_imax
)
5589 assert(op
== nir_op_iand
|| op
== nir_op_ior
|| op
== nir_op_ixor
);
5591 switch (instr
->intrinsic
) {
5592 case nir_intrinsic_reduce
:
5593 emit_wqm(ctx
, emit_boolean_reduce(ctx
, op
, cluster_size
, src
), dst
);
5595 case nir_intrinsic_exclusive_scan
:
5596 emit_wqm(ctx
, emit_boolean_exclusive_scan(ctx
, op
, src
), dst
);
5598 case nir_intrinsic_inclusive_scan
:
5599 emit_wqm(ctx
, emit_boolean_inclusive_scan(ctx
, op
, src
), dst
);
5604 } else if (cluster_size
== 1) {
5605 bld
.copy(Definition(dst
), src
);
5607 src
= as_vgpr(ctx
, src
);
5611 #define CASE(name) case nir_op_##name: reduce_op = (src.regClass() == v1) ? name##32 : name##64; break;
5626 unreachable("unknown reduction op");
5631 switch (instr
->intrinsic
) {
5632 case nir_intrinsic_reduce
: aco_op
= aco_opcode::p_reduce
; break;
5633 case nir_intrinsic_inclusive_scan
: aco_op
= aco_opcode::p_inclusive_scan
; break;
5634 case nir_intrinsic_exclusive_scan
: aco_op
= aco_opcode::p_exclusive_scan
; break;
5636 unreachable("unknown reduce intrinsic");
5639 aco_ptr
<Pseudo_reduction_instruction
> reduce
{create_instruction
<Pseudo_reduction_instruction
>(aco_op
, Format::PSEUDO_REDUCTION
, 3, 5)};
5640 reduce
->operands
[0] = Operand(src
);
5641 // filled in by aco_reduce_assign.cpp, used internally as part of the
5643 assert(dst
.size() == 1 || dst
.size() == 2);
5644 reduce
->operands
[1] = Operand(RegClass(RegType::vgpr
, dst
.size()).as_linear());
5645 reduce
->operands
[2] = Operand(v1
.as_linear());
5647 Temp tmp_dst
= bld
.tmp(dst
.regClass());
5648 reduce
->definitions
[0] = Definition(tmp_dst
);
5649 reduce
->definitions
[1] = bld
.def(s2
); // used internally
5650 reduce
->definitions
[2] = Definition();
5651 reduce
->definitions
[3] = Definition(scc
, s1
);
5652 reduce
->definitions
[4] = Definition();
5653 reduce
->reduce_op
= reduce_op
;
5654 reduce
->cluster_size
= cluster_size
;
5655 ctx
->block
->instructions
.emplace_back(std::move(reduce
));
5657 emit_wqm(ctx
, tmp_dst
, dst
);
5661 case nir_intrinsic_quad_broadcast
: {
5662 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5663 if (!ctx
->divergent_vals
[instr
->dest
.ssa
.index
]) {
5664 emit_uniform_subgroup(ctx
, instr
, src
);
5666 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5667 unsigned lane
= nir_src_as_const_value(instr
->src
[1])->u32
;
5668 if (instr
->dest
.ssa
.bit_size
== 1 && src
.regClass() == s2
) {
5669 uint32_t half_mask
= 0x11111111u
<< lane
;
5670 Temp mask_tmp
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(half_mask
), Operand(half_mask
));
5671 Temp tmp
= bld
.tmp(s2
);
5672 bld
.sop1(aco_opcode::s_wqm_b64
, Definition(tmp
),
5673 bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
), mask_tmp
,
5674 bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(exec
, s2
))));
5675 emit_wqm(ctx
, tmp
, dst
);
5676 } else if (instr
->dest
.ssa
.bit_size
== 32) {
5678 bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), src
,
5679 dpp_quad_perm(lane
, lane
, lane
, lane
)),
5681 } else if (instr
->dest
.ssa
.bit_size
== 64) {
5682 Temp lo
= bld
.tmp(v1
), hi
= bld
.tmp(v1
);
5683 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lo
), Definition(hi
), src
);
5684 lo
= emit_wqm(ctx
, bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), lo
, dpp_quad_perm(lane
, lane
, lane
, lane
)));
5685 hi
= emit_wqm(ctx
, bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), hi
, dpp_quad_perm(lane
, lane
, lane
, lane
)));
5686 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
5687 emit_split_vector(ctx
, dst
, 2);
5689 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5690 nir_print_instr(&instr
->instr
, stderr
);
5691 fprintf(stderr
, "\n");
5696 case nir_intrinsic_quad_swap_horizontal
:
5697 case nir_intrinsic_quad_swap_vertical
:
5698 case nir_intrinsic_quad_swap_diagonal
:
5699 case nir_intrinsic_quad_swizzle_amd
: {
5700 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5701 if (!ctx
->divergent_vals
[instr
->dest
.ssa
.index
]) {
5702 emit_uniform_subgroup(ctx
, instr
, src
);
5705 uint16_t dpp_ctrl
= 0;
5706 switch (instr
->intrinsic
) {
5707 case nir_intrinsic_quad_swap_horizontal
:
5708 dpp_ctrl
= dpp_quad_perm(1, 0, 3, 2);
5710 case nir_intrinsic_quad_swap_vertical
:
5711 dpp_ctrl
= dpp_quad_perm(2, 3, 0, 1);
5713 case nir_intrinsic_quad_swap_diagonal
:
5714 dpp_ctrl
= dpp_quad_perm(3, 2, 1, 0);
5716 case nir_intrinsic_quad_swizzle_amd
: {
5717 dpp_ctrl
= nir_intrinsic_swizzle_mask(instr
);
5724 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5725 if (instr
->dest
.ssa
.bit_size
== 1 && src
.regClass() == s2
) {
5726 src
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0u), Operand((uint32_t)-1), src
);
5727 src
= bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), src
, dpp_ctrl
);
5728 Temp tmp
= bld
.vopc(aco_opcode::v_cmp_lg_u32
, bld
.def(s2
), Operand(0u), src
);
5729 emit_wqm(ctx
, tmp
, dst
);
5730 } else if (instr
->dest
.ssa
.bit_size
== 32) {
5731 Temp tmp
= bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), src
, dpp_ctrl
);
5732 emit_wqm(ctx
, tmp
, dst
);
5733 } else if (instr
->dest
.ssa
.bit_size
== 64) {
5734 Temp lo
= bld
.tmp(v1
), hi
= bld
.tmp(v1
);
5735 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lo
), Definition(hi
), src
);
5736 lo
= emit_wqm(ctx
, bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), lo
, dpp_ctrl
));
5737 hi
= emit_wqm(ctx
, bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), hi
, dpp_ctrl
));
5738 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
5739 emit_split_vector(ctx
, dst
, 2);
5741 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5742 nir_print_instr(&instr
->instr
, stderr
);
5743 fprintf(stderr
, "\n");
5747 case nir_intrinsic_masked_swizzle_amd
: {
5748 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5749 if (!ctx
->divergent_vals
[instr
->dest
.ssa
.index
]) {
5750 emit_uniform_subgroup(ctx
, instr
, src
);
5753 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5754 uint32_t mask
= nir_intrinsic_swizzle_mask(instr
);
5755 if (dst
.regClass() == v1
) {
5757 bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), src
, mask
, 0, false),
5759 } else if (dst
.regClass() == v2
) {
5760 Temp lo
= bld
.tmp(v1
), hi
= bld
.tmp(v1
);
5761 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lo
), Definition(hi
), src
);
5762 lo
= emit_wqm(ctx
, bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), lo
, mask
, 0, false));
5763 hi
= emit_wqm(ctx
, bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), hi
, mask
, 0, false));
5764 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
5765 emit_split_vector(ctx
, dst
, 2);
5767 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5768 nir_print_instr(&instr
->instr
, stderr
);
5769 fprintf(stderr
, "\n");
5773 case nir_intrinsic_write_invocation_amd
: {
5774 Temp src
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
5775 Temp val
= bld
.as_uniform(get_ssa_temp(ctx
, instr
->src
[1].ssa
));
5776 Temp lane
= bld
.as_uniform(get_ssa_temp(ctx
, instr
->src
[2].ssa
));
5777 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5778 if (dst
.regClass() == v1
) {
5779 /* src2 is ignored for writelane. RA assigns the same reg for dst */
5780 emit_wqm(ctx
, bld
.vop3(aco_opcode::v_writelane_b32
, bld
.def(v1
), val
, lane
, src
), dst
);
5781 } else if (dst
.regClass() == v2
) {
5782 Temp src_lo
= bld
.tmp(v1
), src_hi
= bld
.tmp(v1
);
5783 Temp val_lo
= bld
.tmp(s1
), val_hi
= bld
.tmp(s1
);
5784 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src_lo
), Definition(src_hi
), src
);
5785 bld
.pseudo(aco_opcode::p_split_vector
, Definition(val_lo
), Definition(val_hi
), val
);
5786 Temp lo
= emit_wqm(ctx
, bld
.vop3(aco_opcode::v_writelane_b32
, bld
.def(v1
), val_lo
, lane
, src_hi
));
5787 Temp hi
= emit_wqm(ctx
, bld
.vop3(aco_opcode::v_writelane_b32
, bld
.def(v1
), val_hi
, lane
, src_hi
));
5788 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
5789 emit_split_vector(ctx
, dst
, 2);
5791 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5792 nir_print_instr(&instr
->instr
, stderr
);
5793 fprintf(stderr
, "\n");
5797 case nir_intrinsic_mbcnt_amd
: {
5798 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5799 RegClass rc
= RegClass(src
.type(), 1);
5800 Temp mask_lo
= bld
.tmp(rc
), mask_hi
= bld
.tmp(rc
);
5801 bld
.pseudo(aco_opcode::p_split_vector
, Definition(mask_lo
), Definition(mask_hi
), src
);
5802 Temp tmp
= bld
.vop3(aco_opcode::v_mbcnt_lo_u32_b32
, bld
.def(v1
), mask_lo
, Operand(0u));
5803 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5804 Temp wqm_tmp
= bld
.vop3(aco_opcode::v_mbcnt_hi_u32_b32
, bld
.def(v1
), mask_hi
, tmp
);
5805 emit_wqm(ctx
, wqm_tmp
, dst
);
5808 case nir_intrinsic_load_helper_invocation
: {
5809 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5810 bld
.pseudo(aco_opcode::p_load_helper
, Definition(dst
));
5811 ctx
->block
->kind
|= block_kind_needs_lowering
;
5812 ctx
->program
->needs_exact
= true;
5815 case nir_intrinsic_is_helper_invocation
: {
5816 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5817 bld
.pseudo(aco_opcode::p_is_helper
, Definition(dst
));
5818 ctx
->block
->kind
|= block_kind_needs_lowering
;
5819 ctx
->program
->needs_exact
= true;
5822 case nir_intrinsic_demote
:
5823 bld
.pseudo(aco_opcode::p_demote_to_helper
);
5824 ctx
->block
->kind
|= block_kind_uses_demote
;
5825 ctx
->program
->needs_exact
= true;
5827 case nir_intrinsic_demote_if
: {
5828 Temp cond
= bld
.sop2(aco_opcode::s_and_b64
, bld
.def(s2
), bld
.def(s1
, scc
),
5829 as_divergent_bool(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
), false),
5831 bld
.pseudo(aco_opcode::p_demote_to_helper
, cond
);
5832 ctx
->block
->kind
|= block_kind_uses_demote
;
5833 ctx
->program
->needs_exact
= true;
5836 case nir_intrinsic_first_invocation
: {
5837 emit_wqm(ctx
, bld
.sop1(aco_opcode::s_ff1_i32_b64
, bld
.def(s1
), Operand(exec
, s2
)),
5838 get_ssa_temp(ctx
, &instr
->dest
.ssa
));
5841 case nir_intrinsic_shader_clock
:
5842 bld
.smem(aco_opcode::s_memtime
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), false);
5844 case nir_intrinsic_load_vertex_id_zero_base
: {
5845 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5846 bld
.copy(Definition(dst
), ctx
->vertex_id
);
5849 case nir_intrinsic_load_first_vertex
: {
5850 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5851 bld
.copy(Definition(dst
), ctx
->base_vertex
);
5854 case nir_intrinsic_load_base_instance
: {
5855 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5856 bld
.copy(Definition(dst
), ctx
->start_instance
);
5859 case nir_intrinsic_load_instance_id
: {
5860 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5861 bld
.copy(Definition(dst
), ctx
->instance_id
);
5864 case nir_intrinsic_load_draw_id
: {
5865 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5866 bld
.copy(Definition(dst
), ctx
->draw_id
);
5870 fprintf(stderr
, "Unimplemented intrinsic instr: ");
5871 nir_print_instr(&instr
->instr
, stderr
);
5872 fprintf(stderr
, "\n");
5880 void tex_fetch_ptrs(isel_context
*ctx
, nir_tex_instr
*instr
,
5881 Temp
*res_ptr
, Temp
*samp_ptr
, Temp
*fmask_ptr
,
5882 enum glsl_base_type
*stype
)
5884 nir_deref_instr
*texture_deref_instr
= NULL
;
5885 nir_deref_instr
*sampler_deref_instr
= NULL
;
5888 for (unsigned i
= 0; i
< instr
->num_srcs
; i
++) {
5889 switch (instr
->src
[i
].src_type
) {
5890 case nir_tex_src_texture_deref
:
5891 texture_deref_instr
= nir_src_as_deref(instr
->src
[i
].src
);
5893 case nir_tex_src_sampler_deref
:
5894 sampler_deref_instr
= nir_src_as_deref(instr
->src
[i
].src
);
5896 case nir_tex_src_plane
:
5897 plane
= nir_src_as_int(instr
->src
[i
].src
);
5904 *stype
= glsl_get_sampler_result_type(texture_deref_instr
->type
);
5906 if (!sampler_deref_instr
)
5907 sampler_deref_instr
= texture_deref_instr
;
5910 assert(instr
->op
!= nir_texop_txf_ms
&&
5911 instr
->op
!= nir_texop_samples_identical
);
5912 assert(instr
->sampler_dim
!= GLSL_SAMPLER_DIM_BUF
);
5913 *res_ptr
= get_sampler_desc(ctx
, texture_deref_instr
, (aco_descriptor_type
)(ACO_DESC_PLANE_0
+ plane
), instr
, false, false);
5914 } else if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
) {
5915 *res_ptr
= get_sampler_desc(ctx
, texture_deref_instr
, ACO_DESC_BUFFER
, instr
, false, false);
5917 *res_ptr
= get_sampler_desc(ctx
, texture_deref_instr
, ACO_DESC_IMAGE
, instr
, false, false);
5920 *samp_ptr
= get_sampler_desc(ctx
, sampler_deref_instr
, ACO_DESC_SAMPLER
, instr
, false, false);
5921 if (instr
->sampler_dim
< GLSL_SAMPLER_DIM_RECT
&& ctx
->options
->chip_class
< GFX8
) {
5922 fprintf(stderr
, "Unimplemented sampler descriptor: ");
5923 nir_print_instr(&instr
->instr
, stderr
);
5924 fprintf(stderr
, "\n");
5926 // TODO: build samp_ptr = and(samp_ptr, res_ptr)
5929 if (fmask_ptr
&& (instr
->op
== nir_texop_txf_ms
||
5930 instr
->op
== nir_texop_samples_identical
))
5931 *fmask_ptr
= get_sampler_desc(ctx
, texture_deref_instr
, ACO_DESC_FMASK
, instr
, false, false);
5934 void build_cube_select(isel_context
*ctx
, Temp ma
, Temp id
, Temp deriv
,
5935 Temp
*out_ma
, Temp
*out_sc
, Temp
*out_tc
)
5937 Builder
bld(ctx
->program
, ctx
->block
);
5939 Temp deriv_x
= emit_extract_vector(ctx
, deriv
, 0, v1
);
5940 Temp deriv_y
= emit_extract_vector(ctx
, deriv
, 1, v1
);
5941 Temp deriv_z
= emit_extract_vector(ctx
, deriv
, 2, v1
);
5943 Operand
neg_one(0xbf800000u
);
5944 Operand
one(0x3f800000u
);
5945 Operand
two(0x40000000u
);
5946 Operand
four(0x40800000u
);
5948 Temp is_ma_positive
= bld
.vopc(aco_opcode::v_cmp_le_f32
, bld
.hint_vcc(bld
.def(s2
)), Operand(0u), ma
);
5949 Temp sgn_ma
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), neg_one
, one
, is_ma_positive
);
5950 Temp neg_sgn_ma
= bld
.vop2(aco_opcode::v_sub_f32
, bld
.def(v1
), Operand(0u), sgn_ma
);
5952 Temp is_ma_z
= bld
.vopc(aco_opcode::v_cmp_le_f32
, bld
.hint_vcc(bld
.def(s2
)), four
, id
);
5953 Temp is_ma_y
= bld
.vopc(aco_opcode::v_cmp_le_f32
, bld
.def(s2
), two
, id
);
5954 is_ma_y
= bld
.sop2(aco_opcode::s_andn2_b64
, bld
.hint_vcc(bld
.def(s2
)), is_ma_y
, is_ma_z
);
5955 Temp is_not_ma_x
= bld
.sop2(aco_opcode::s_or_b64
, bld
.hint_vcc(bld
.def(s2
)), bld
.def(s1
, scc
), is_ma_z
, is_ma_y
);
5958 Temp tmp
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), deriv_z
, deriv_x
, is_not_ma_x
);
5959 Temp sgn
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
),
5960 bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), neg_sgn_ma
, sgn_ma
, is_ma_z
),
5962 *out_sc
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), tmp
, sgn
);
5965 tmp
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), deriv_y
, deriv_z
, is_ma_y
);
5966 sgn
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), neg_one
, sgn_ma
, is_ma_y
);
5967 *out_tc
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), tmp
, sgn
);
5970 tmp
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
),
5971 bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), deriv_x
, deriv_y
, is_ma_y
),
5973 tmp
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(0x7fffffffu
), tmp
);
5974 *out_ma
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), two
, tmp
);
5977 void prepare_cube_coords(isel_context
*ctx
, Temp
* coords
, Temp
* ddx
, Temp
* ddy
, bool is_deriv
, bool is_array
)
5979 Builder
bld(ctx
->program
, ctx
->block
);
5980 Temp coord_args
[4], ma
, tc
, sc
, id
;
5981 for (unsigned i
= 0; i
< (is_array
? 4 : 3); i
++)
5982 coord_args
[i
] = emit_extract_vector(ctx
, *coords
, i
, v1
);
5985 coord_args
[3] = bld
.vop1(aco_opcode::v_rndne_f32
, bld
.def(v1
), coord_args
[3]);
5987 // see comment in ac_prepare_cube_coords()
5988 if (ctx
->options
->chip_class
<= GFX8
)
5989 coord_args
[3] = bld
.vop2(aco_opcode::v_max_f32
, bld
.def(v1
), Operand(0u), coord_args
[3]);
5992 ma
= bld
.vop3(aco_opcode::v_cubema_f32
, bld
.def(v1
), coord_args
[0], coord_args
[1], coord_args
[2]);
5994 aco_ptr
<VOP3A_instruction
> vop3a
{create_instruction
<VOP3A_instruction
>(aco_opcode::v_rcp_f32
, asVOP3(Format::VOP1
), 1, 1)};
5995 vop3a
->operands
[0] = Operand(ma
);
5996 vop3a
->abs
[0] = true;
5997 Temp invma
= bld
.tmp(v1
);
5998 vop3a
->definitions
[0] = Definition(invma
);
5999 ctx
->block
->instructions
.emplace_back(std::move(vop3a
));
6001 sc
= bld
.vop3(aco_opcode::v_cubesc_f32
, bld
.def(v1
), coord_args
[0], coord_args
[1], coord_args
[2]);
6003 sc
= bld
.vop2(aco_opcode::v_madak_f32
, bld
.def(v1
), sc
, invma
, Operand(0x3fc00000u
/*1.5*/));
6005 tc
= bld
.vop3(aco_opcode::v_cubetc_f32
, bld
.def(v1
), coord_args
[0], coord_args
[1], coord_args
[2]);
6007 tc
= bld
.vop2(aco_opcode::v_madak_f32
, bld
.def(v1
), tc
, invma
, Operand(0x3fc00000u
/*1.5*/));
6009 id
= bld
.vop3(aco_opcode::v_cubeid_f32
, bld
.def(v1
), coord_args
[0], coord_args
[1], coord_args
[2]);
6012 sc
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), sc
, invma
);
6013 tc
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), tc
, invma
);
6015 for (unsigned i
= 0; i
< 2; i
++) {
6016 // see comment in ac_prepare_cube_coords()
6018 Temp deriv_sc
, deriv_tc
;
6019 build_cube_select(ctx
, ma
, id
, i
? *ddy
: *ddx
,
6020 &deriv_ma
, &deriv_sc
, &deriv_tc
);
6022 deriv_ma
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), deriv_ma
, invma
);
6024 Temp x
= bld
.vop2(aco_opcode::v_sub_f32
, bld
.def(v1
),
6025 bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), deriv_sc
, invma
),
6026 bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), deriv_ma
, sc
));
6027 Temp y
= bld
.vop2(aco_opcode::v_sub_f32
, bld
.def(v1
),
6028 bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), deriv_tc
, invma
),
6029 bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), deriv_ma
, tc
));
6030 *(i
? ddy
: ddx
) = bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
), x
, y
);
6033 sc
= bld
.vop2(aco_opcode::v_add_f32
, bld
.def(v1
), Operand(0x3fc00000u
/*1.5*/), sc
);
6034 tc
= bld
.vop2(aco_opcode::v_add_f32
, bld
.def(v1
), Operand(0x3fc00000u
/*1.5*/), tc
);
6038 id
= bld
.vop2(aco_opcode::v_madmk_f32
, bld
.def(v1
), coord_args
[3], id
, Operand(0x41000000u
/*8.0*/));
6039 *coords
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v3
), sc
, tc
, id
);
6043 Temp
apply_round_slice(isel_context
*ctx
, Temp coords
, unsigned idx
)
6046 for (unsigned i
= 0; i
< coords
.size(); i
++)
6047 coord_vec
[i
] = emit_extract_vector(ctx
, coords
, i
, v1
);
6049 Builder
bld(ctx
->program
, ctx
->block
);
6050 coord_vec
[idx
] = bld
.vop1(aco_opcode::v_rndne_f32
, bld
.def(v1
), coord_vec
[idx
]);
6052 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, coords
.size(), 1)};
6053 for (unsigned i
= 0; i
< coords
.size(); i
++)
6054 vec
->operands
[i
] = Operand(coord_vec
[i
]);
6055 Temp res
= bld
.tmp(RegType::vgpr
, coords
.size());
6056 vec
->definitions
[0] = Definition(res
);
6057 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6061 void get_const_vec(nir_ssa_def
*vec
, nir_const_value
*cv
[4])
6063 if (vec
->parent_instr
->type
!= nir_instr_type_alu
)
6065 nir_alu_instr
*vec_instr
= nir_instr_as_alu(vec
->parent_instr
);
6066 if (vec_instr
->op
!= nir_op_vec(vec
->num_components
))
6069 for (unsigned i
= 0; i
< vec
->num_components
; i
++) {
6070 cv
[i
] = vec_instr
->src
[i
].swizzle
[0] == 0 ?
6071 nir_src_as_const_value(vec_instr
->src
[i
].src
) : NULL
;
6075 void visit_tex(isel_context
*ctx
, nir_tex_instr
*instr
)
6077 Builder
bld(ctx
->program
, ctx
->block
);
6078 bool has_bias
= false, has_lod
= false, level_zero
= false, has_compare
= false,
6079 has_offset
= false, has_ddx
= false, has_ddy
= false, has_derivs
= false, has_sample_index
= false;
6080 Temp resource
, sampler
, fmask_ptr
, bias
= Temp(), coords
, compare
= Temp(), sample_index
= Temp(),
6081 lod
= Temp(), offset
= Temp(), ddx
= Temp(), ddy
= Temp(), derivs
= Temp();
6082 nir_const_value
*sample_index_cv
= NULL
;
6083 nir_const_value
*const_offset
[4] = {NULL
, NULL
, NULL
, NULL
};
6084 enum glsl_base_type stype
;
6085 tex_fetch_ptrs(ctx
, instr
, &resource
, &sampler
, &fmask_ptr
, &stype
);
6087 bool tg4_integer_workarounds
= ctx
->options
->chip_class
<= GFX8
&& instr
->op
== nir_texop_tg4
&&
6088 (stype
== GLSL_TYPE_UINT
|| stype
== GLSL_TYPE_INT
);
6089 bool tg4_integer_cube_workaround
= tg4_integer_workarounds
&&
6090 instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
;
6092 for (unsigned i
= 0; i
< instr
->num_srcs
; i
++) {
6093 switch (instr
->src
[i
].src_type
) {
6094 case nir_tex_src_coord
:
6095 coords
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
));
6097 case nir_tex_src_bias
:
6098 if (instr
->op
== nir_texop_txb
) {
6099 bias
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6103 case nir_tex_src_lod
: {
6104 nir_const_value
*val
= nir_src_as_const_value(instr
->src
[i
].src
);
6106 if (val
&& val
->f32
<= 0.0) {
6109 lod
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6114 case nir_tex_src_comparator
:
6115 if (instr
->is_shadow
) {
6116 compare
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6120 case nir_tex_src_offset
:
6121 offset
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6122 get_const_vec(instr
->src
[i
].src
.ssa
, const_offset
);
6125 case nir_tex_src_ddx
:
6126 ddx
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6129 case nir_tex_src_ddy
:
6130 ddy
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6133 case nir_tex_src_ms_index
:
6134 sample_index
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6135 sample_index_cv
= nir_src_as_const_value(instr
->src
[i
].src
);
6136 has_sample_index
= true;
6138 case nir_tex_src_texture_offset
:
6139 case nir_tex_src_sampler_offset
:
6144 // TODO: all other cases: structure taken from ac_nir_to_llvm.c
6145 if (instr
->op
== nir_texop_txs
&& instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
)
6146 return get_buffer_size(ctx
, resource
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), true);
6148 if (instr
->op
== nir_texop_texture_samples
) {
6149 Temp dword3
= emit_extract_vector(ctx
, resource
, 3, s1
);
6151 Temp samples_log2
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
), dword3
, Operand(16u | 4u<<16));
6152 Temp samples
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(1u), samples_log2
);
6153 Temp type
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
), dword3
, Operand(28u | 4u<<16 /* offset=28, width=4 */));
6154 Temp is_msaa
= bld
.sopc(aco_opcode::s_cmp_ge_u32
, bld
.def(s1
, scc
), type
, Operand(14u));
6156 bld
.sop2(aco_opcode::s_cselect_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)),
6157 samples
, Operand(1u), bld
.scc(is_msaa
));
6161 if (has_offset
&& instr
->op
!= nir_texop_txf
&& instr
->op
!= nir_texop_txf_ms
) {
6162 aco_ptr
<Instruction
> tmp_instr
;
6163 Temp acc
, pack
= Temp();
6165 uint32_t pack_const
= 0;
6166 for (unsigned i
= 0; i
< offset
.size(); i
++) {
6167 if (!const_offset
[i
])
6169 pack_const
|= (const_offset
[i
]->u32
& 0x3Fu
) << (8u * i
);
6172 if (offset
.type() == RegType::sgpr
) {
6173 for (unsigned i
= 0; i
< offset
.size(); i
++) {
6174 if (const_offset
[i
])
6177 acc
= emit_extract_vector(ctx
, offset
, i
, s1
);
6178 acc
= bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), acc
, Operand(0x3Fu
));
6181 acc
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), acc
, Operand(8u * i
));
6184 if (pack
== Temp()) {
6187 pack
= bld
.sop2(aco_opcode::s_or_b32
, bld
.def(s1
), bld
.def(s1
, scc
), pack
, acc
);
6191 if (pack_const
&& pack
!= Temp())
6192 pack
= bld
.sop2(aco_opcode::s_or_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(pack_const
), pack
);
6194 for (unsigned i
= 0; i
< offset
.size(); i
++) {
6195 if (const_offset
[i
])
6198 acc
= emit_extract_vector(ctx
, offset
, i
, v1
);
6199 acc
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(0x3Fu
), acc
);
6202 acc
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(8u * i
), acc
);
6205 if (pack
== Temp()) {
6208 pack
= bld
.vop2(aco_opcode::v_or_b32
, bld
.def(v1
), pack
, acc
);
6212 if (pack_const
&& pack
!= Temp())
6213 pack
= bld
.sop2(aco_opcode::v_or_b32
, bld
.def(v1
), Operand(pack_const
), pack
);
6215 if (pack_const
&& pack
== Temp())
6216 offset
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(pack_const
));
6217 else if (pack
== Temp())
6223 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
&& instr
->coord_components
)
6224 prepare_cube_coords(ctx
, &coords
, &ddx
, &ddy
, instr
->op
== nir_texop_txd
, instr
->is_array
&& instr
->op
!= nir_texop_lod
);
6226 /* pack derivatives */
6227 if (has_ddx
|| has_ddy
) {
6228 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&& ctx
->options
->chip_class
== GFX9
) {
6229 derivs
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v4
),
6230 ddx
, Operand(0u), ddy
, Operand(0u));
6232 derivs
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(RegType::vgpr
, ddx
.size() + ddy
.size()), ddx
, ddy
);
6237 if (instr
->coord_components
> 1 &&
6238 instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&&
6240 instr
->op
!= nir_texop_txf
)
6241 coords
= apply_round_slice(ctx
, coords
, 1);
6243 if (instr
->coord_components
> 2 &&
6244 (instr
->sampler_dim
== GLSL_SAMPLER_DIM_2D
||
6245 instr
->sampler_dim
== GLSL_SAMPLER_DIM_MS
||
6246 instr
->sampler_dim
== GLSL_SAMPLER_DIM_SUBPASS
||
6247 instr
->sampler_dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
) &&
6249 instr
->op
!= nir_texop_txf
&& instr
->op
!= nir_texop_txf_ms
)
6250 coords
= apply_round_slice(ctx
, coords
, 2);
6252 if (ctx
->options
->chip_class
== GFX9
&&
6253 instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&&
6254 instr
->op
!= nir_texop_lod
&& instr
->coord_components
) {
6255 assert(coords
.size() > 0 && coords
.size() < 3);
6257 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, coords
.size() + 1, 1)};
6258 vec
->operands
[0] = Operand(emit_extract_vector(ctx
, coords
, 0, v1
));
6259 vec
->operands
[1] = instr
->op
== nir_texop_txf
? Operand((uint32_t) 0) : Operand((uint32_t) 0x3f000000);
6260 if (coords
.size() > 1)
6261 vec
->operands
[2] = Operand(emit_extract_vector(ctx
, coords
, 1, v1
));
6262 coords
= bld
.tmp(RegType::vgpr
, coords
.size() + 1);
6263 vec
->definitions
[0] = Definition(coords
);
6264 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6267 bool da
= should_declare_array(ctx
, instr
->sampler_dim
, instr
->is_array
);
6269 if (instr
->op
== nir_texop_samples_identical
)
6270 resource
= fmask_ptr
;
6272 else if ((instr
->sampler_dim
== GLSL_SAMPLER_DIM_MS
||
6273 instr
->sampler_dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
) &&
6274 instr
->op
!= nir_texop_txs
) {
6275 assert(has_sample_index
);
6276 Operand
op(sample_index
);
6277 if (sample_index_cv
)
6278 op
= Operand(sample_index_cv
->u32
);
6279 sample_index
= adjust_sample_index_using_fmask(ctx
, da
, coords
, op
, fmask_ptr
);
6282 if (has_offset
&& (instr
->op
== nir_texop_txf
|| instr
->op
== nir_texop_txf_ms
)) {
6283 Temp split_coords
[coords
.size()];
6284 emit_split_vector(ctx
, coords
, coords
.size());
6285 for (unsigned i
= 0; i
< coords
.size(); i
++)
6286 split_coords
[i
] = emit_extract_vector(ctx
, coords
, i
, v1
);
6289 for (; i
< std::min(offset
.size(), instr
->coord_components
); i
++) {
6290 Temp off
= emit_extract_vector(ctx
, offset
, i
, v1
);
6291 split_coords
[i
] = bld
.vadd32(bld
.def(v1
), split_coords
[i
], off
);
6294 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, coords
.size(), 1)};
6295 for (unsigned i
= 0; i
< coords
.size(); i
++)
6296 vec
->operands
[i
] = Operand(split_coords
[i
]);
6297 coords
= bld
.tmp(coords
.regClass());
6298 vec
->definitions
[0] = Definition(coords
);
6299 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6304 /* Build tex instruction */
6305 unsigned dmask
= nir_ssa_def_components_read(&instr
->dest
.ssa
);
6306 unsigned dim
= ctx
->options
->chip_class
>= GFX10
&& instr
->sampler_dim
!= GLSL_SAMPLER_DIM_BUF
6307 ? ac_get_sampler_dim(ctx
->options
->chip_class
, instr
->sampler_dim
, instr
->is_array
)
6309 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6312 /* gather4 selects the component by dmask and always returns vec4 */
6313 if (instr
->op
== nir_texop_tg4
) {
6314 assert(instr
->dest
.ssa
.num_components
== 4);
6315 if (instr
->is_shadow
)
6318 dmask
= 1 << instr
->component
;
6319 if (tg4_integer_cube_workaround
|| dst
.type() == RegType::sgpr
)
6320 tmp_dst
= bld
.tmp(v4
);
6321 } else if (instr
->op
== nir_texop_samples_identical
) {
6322 tmp_dst
= bld
.tmp(v1
);
6323 } else if (util_bitcount(dmask
) != instr
->dest
.ssa
.num_components
|| dst
.type() == RegType::sgpr
) {
6324 tmp_dst
= bld
.tmp(RegClass(RegType::vgpr
, util_bitcount(dmask
)));
6327 aco_ptr
<MIMG_instruction
> tex
;
6328 if (instr
->op
== nir_texop_txs
|| instr
->op
== nir_texop_query_levels
) {
6330 lod
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(0u));
6332 bool div_by_6
= instr
->op
== nir_texop_txs
&&
6333 instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
&&
6336 if (tmp_dst
.id() == dst
.id() && div_by_6
)
6337 tmp_dst
= bld
.tmp(tmp_dst
.regClass());
6339 tex
.reset(create_instruction
<MIMG_instruction
>(aco_opcode::image_get_resinfo
, Format::MIMG
, 2, 1));
6340 tex
->operands
[0] = Operand(as_vgpr(ctx
,lod
));
6341 tex
->operands
[1] = Operand(resource
);
6342 if (ctx
->options
->chip_class
== GFX9
&&
6343 instr
->op
== nir_texop_txs
&&
6344 instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&&
6346 tex
->dmask
= (dmask
& 0x1) | ((dmask
& 0x2) << 1);
6347 } else if (instr
->op
== nir_texop_query_levels
) {
6348 tex
->dmask
= 1 << 3;
6353 tex
->definitions
[0] = Definition(tmp_dst
);
6355 tex
->can_reorder
= true;
6356 ctx
->block
->instructions
.emplace_back(std::move(tex
));
6359 /* divide 3rd value by 6 by multiplying with magic number */
6360 emit_split_vector(ctx
, tmp_dst
, tmp_dst
.size());
6361 Temp c
= bld
.copy(bld
.def(s1
), Operand((uint32_t) 0x2AAAAAAB));
6362 Temp by_6
= bld
.vop3(aco_opcode::v_mul_hi_i32
, bld
.def(v1
), emit_extract_vector(ctx
, tmp_dst
, 2, v1
), c
);
6363 assert(instr
->dest
.ssa
.num_components
== 3);
6364 Temp tmp
= dst
.type() == RegType::vgpr
? dst
: bld
.tmp(v3
);
6365 tmp_dst
= bld
.pseudo(aco_opcode::p_create_vector
, Definition(tmp
),
6366 emit_extract_vector(ctx
, tmp_dst
, 0, v1
),
6367 emit_extract_vector(ctx
, tmp_dst
, 1, v1
),
6372 expand_vector(ctx
, tmp_dst
, dst
, instr
->dest
.ssa
.num_components
, dmask
);
6376 Temp tg4_compare_cube_wa64
= Temp();
6378 if (tg4_integer_workarounds
) {
6379 tex
.reset(create_instruction
<MIMG_instruction
>(aco_opcode::image_get_resinfo
, Format::MIMG
, 2, 1));
6380 tex
->operands
[0] = bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(0u));
6381 tex
->operands
[1] = Operand(resource
);
6385 Temp size
= bld
.tmp(v2
);
6386 tex
->definitions
[0] = Definition(size
);
6387 tex
->can_reorder
= true;
6388 ctx
->block
->instructions
.emplace_back(std::move(tex
));
6389 emit_split_vector(ctx
, size
, size
.size());
6392 for (unsigned i
= 0; i
< 2; i
++) {
6393 half_texel
[i
] = emit_extract_vector(ctx
, size
, i
, v1
);
6394 half_texel
[i
] = bld
.vop1(aco_opcode::v_cvt_f32_i32
, bld
.def(v1
), half_texel
[i
]);
6395 half_texel
[i
] = bld
.vop1(aco_opcode::v_rcp_iflag_f32
, bld
.def(v1
), half_texel
[i
]);
6396 half_texel
[i
] = bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), Operand(0xbf000000/*-0.5*/), half_texel
[i
]);
6399 Temp orig_coords
[2] = {
6400 emit_extract_vector(ctx
, coords
, 0, v1
),
6401 emit_extract_vector(ctx
, coords
, 1, v1
)};
6402 Temp new_coords
[2] = {
6403 bld
.vop2(aco_opcode::v_add_f32
, bld
.def(v1
), orig_coords
[0], half_texel
[0]),
6404 bld
.vop2(aco_opcode::v_add_f32
, bld
.def(v1
), orig_coords
[1], half_texel
[1])
6407 if (tg4_integer_cube_workaround
) {
6408 // see comment in ac_nir_to_llvm.c's lower_gather4_integer()
6409 Temp desc
[resource
.size()];
6410 aco_ptr
<Instruction
> split
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_split_vector
,
6411 Format::PSEUDO
, 1, resource
.size())};
6412 split
->operands
[0] = Operand(resource
);
6413 for (unsigned i
= 0; i
< resource
.size(); i
++) {
6414 desc
[i
] = bld
.tmp(s1
);
6415 split
->definitions
[i
] = Definition(desc
[i
]);
6417 ctx
->block
->instructions
.emplace_back(std::move(split
));
6419 Temp dfmt
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
), desc
[1], Operand(20u | (6u << 16)));
6420 Temp compare_cube_wa
= bld
.sopc(aco_opcode::s_cmp_eq_u32
, bld
.def(s1
, scc
), dfmt
,
6421 Operand((uint32_t)V_008F14_IMG_DATA_FORMAT_8_8_8_8
));
6424 if (stype
== GLSL_TYPE_UINT
) {
6425 nfmt
= bld
.sop2(aco_opcode::s_cselect_b32
, bld
.def(s1
),
6426 Operand((uint32_t)V_008F14_IMG_NUM_FORMAT_USCALED
),
6427 Operand((uint32_t)V_008F14_IMG_NUM_FORMAT_UINT
),
6428 bld
.scc(compare_cube_wa
));
6430 nfmt
= bld
.sop2(aco_opcode::s_cselect_b32
, bld
.def(s1
),
6431 Operand((uint32_t)V_008F14_IMG_NUM_FORMAT_SSCALED
),
6432 Operand((uint32_t)V_008F14_IMG_NUM_FORMAT_SINT
),
6433 bld
.scc(compare_cube_wa
));
6435 tg4_compare_cube_wa64
= as_divergent_bool(ctx
, compare_cube_wa
, true);
6436 nfmt
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), nfmt
, Operand(26u));
6438 desc
[1] = bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), desc
[1],
6439 Operand((uint32_t)C_008F14_NUM_FORMAT
));
6440 desc
[1] = bld
.sop2(aco_opcode::s_or_b32
, bld
.def(s1
), bld
.def(s1
, scc
), desc
[1], nfmt
);
6442 aco_ptr
<Instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
,
6443 Format::PSEUDO
, resource
.size(), 1)};
6444 for (unsigned i
= 0; i
< resource
.size(); i
++)
6445 vec
->operands
[i
] = Operand(desc
[i
]);
6446 resource
= bld
.tmp(resource
.regClass());
6447 vec
->definitions
[0] = Definition(resource
);
6448 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6450 new_coords
[0] = bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
),
6451 new_coords
[0], orig_coords
[0], tg4_compare_cube_wa64
);
6452 new_coords
[1] = bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
),
6453 new_coords
[1], orig_coords
[1], tg4_compare_cube_wa64
);
6456 if (coords
.size() == 3) {
6457 coords
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v3
),
6458 new_coords
[0], new_coords
[1],
6459 emit_extract_vector(ctx
, coords
, 2, v1
));
6461 assert(coords
.size() == 2);
6462 coords
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
),
6463 new_coords
[0], new_coords
[1]);
6467 if (!(has_ddx
&& has_ddy
) && !has_lod
&& !level_zero
&&
6468 instr
->sampler_dim
!= GLSL_SAMPLER_DIM_MS
&&
6469 instr
->sampler_dim
!= GLSL_SAMPLER_DIM_SUBPASS_MS
)
6470 coords
= emit_wqm(ctx
, coords
, bld
.tmp(coords
.regClass()), true);
6472 std::vector
<Operand
> args
;
6474 args
.emplace_back(Operand(offset
));
6476 args
.emplace_back(Operand(bias
));
6478 args
.emplace_back(Operand(compare
));
6480 args
.emplace_back(Operand(derivs
));
6481 args
.emplace_back(Operand(coords
));
6482 if (has_sample_index
)
6483 args
.emplace_back(Operand(sample_index
));
6485 args
.emplace_back(lod
);
6488 if (args
.size() > 1) {
6489 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, args
.size(), 1)};
6491 for (unsigned i
= 0; i
< args
.size(); i
++) {
6492 size
+= args
[i
].size();
6493 vec
->operands
[i
] = args
[i
];
6495 RegClass rc
= RegClass(RegType::vgpr
, size
);
6496 Temp tmp
= bld
.tmp(rc
);
6497 vec
->definitions
[0] = Definition(tmp
);
6498 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6501 assert(args
[0].isTemp());
6502 arg
= Operand(as_vgpr(ctx
, args
[0].getTemp()));
6505 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
) {
6506 //FIXME: if (ctx->abi->gfx9_stride_size_workaround) return ac_build_buffer_load_format_gfx9_safe()
6508 assert(coords
.size() == 1);
6509 unsigned last_bit
= util_last_bit(nir_ssa_def_components_read(&instr
->dest
.ssa
));
6513 op
= aco_opcode::buffer_load_format_x
; break;
6515 op
= aco_opcode::buffer_load_format_xy
; break;
6517 op
= aco_opcode::buffer_load_format_xyz
; break;
6519 op
= aco_opcode::buffer_load_format_xyzw
; break;
6521 unreachable("Tex instruction loads more than 4 components.");
6524 /* if the instruction return value matches exactly the nir dest ssa, we can use it directly */
6525 if (last_bit
== instr
->dest
.ssa
.num_components
&& dst
.type() == RegType::vgpr
)
6528 tmp_dst
= bld
.tmp(RegType::vgpr
, last_bit
);
6530 aco_ptr
<MUBUF_instruction
> mubuf
{create_instruction
<MUBUF_instruction
>(op
, Format::MUBUF
, 3, 1)};
6531 mubuf
->operands
[0] = Operand(coords
);
6532 mubuf
->operands
[1] = Operand(resource
);
6533 mubuf
->operands
[2] = Operand((uint32_t) 0);
6534 mubuf
->definitions
[0] = Definition(tmp_dst
);
6535 mubuf
->idxen
= true;
6536 mubuf
->can_reorder
= true;
6537 ctx
->block
->instructions
.emplace_back(std::move(mubuf
));
6539 expand_vector(ctx
, tmp_dst
, dst
, instr
->dest
.ssa
.num_components
, (1 << last_bit
) - 1);
6544 if (instr
->op
== nir_texop_txf
||
6545 instr
->op
== nir_texop_txf_ms
||
6546 instr
->op
== nir_texop_samples_identical
) {
6547 aco_opcode op
= level_zero
|| instr
->sampler_dim
== GLSL_SAMPLER_DIM_MS
? aco_opcode::image_load
: aco_opcode::image_load_mip
;
6548 tex
.reset(create_instruction
<MIMG_instruction
>(op
, Format::MIMG
, 2, 1));
6549 tex
->operands
[0] = Operand(arg
);
6550 tex
->operands
[1] = Operand(resource
);
6555 tex
->definitions
[0] = Definition(tmp_dst
);
6556 tex
->can_reorder
= true;
6557 ctx
->block
->instructions
.emplace_back(std::move(tex
));
6559 if (instr
->op
== nir_texop_samples_identical
) {
6560 assert(dmask
== 1 && dst
.regClass() == v1
);
6561 assert(dst
.id() != tmp_dst
.id());
6563 Temp tmp
= bld
.tmp(s2
);
6564 bld
.vopc(aco_opcode::v_cmp_eq_u32
, Definition(tmp
), Operand(0u), tmp_dst
).def(0).setHint(vcc
);
6565 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0u), Operand((uint32_t)-1), tmp
);
6568 expand_vector(ctx
, tmp_dst
, dst
, instr
->dest
.ssa
.num_components
, dmask
);
6573 // TODO: would be better to do this by adding offsets, but needs the opcodes ordered.
6574 aco_opcode opcode
= aco_opcode::image_sample
;
6575 if (has_offset
) { /* image_sample_*_o */
6577 opcode
= aco_opcode::image_sample_c_o
;
6579 opcode
= aco_opcode::image_sample_c_d_o
;
6581 opcode
= aco_opcode::image_sample_c_b_o
;
6583 opcode
= aco_opcode::image_sample_c_lz_o
;
6585 opcode
= aco_opcode::image_sample_c_l_o
;
6587 opcode
= aco_opcode::image_sample_o
;
6589 opcode
= aco_opcode::image_sample_d_o
;
6591 opcode
= aco_opcode::image_sample_b_o
;
6593 opcode
= aco_opcode::image_sample_lz_o
;
6595 opcode
= aco_opcode::image_sample_l_o
;
6597 } else { /* no offset */
6599 opcode
= aco_opcode::image_sample_c
;
6601 opcode
= aco_opcode::image_sample_c_d
;
6603 opcode
= aco_opcode::image_sample_c_b
;
6605 opcode
= aco_opcode::image_sample_c_lz
;
6607 opcode
= aco_opcode::image_sample_c_l
;
6609 opcode
= aco_opcode::image_sample
;
6611 opcode
= aco_opcode::image_sample_d
;
6613 opcode
= aco_opcode::image_sample_b
;
6615 opcode
= aco_opcode::image_sample_lz
;
6617 opcode
= aco_opcode::image_sample_l
;
6621 if (instr
->op
== nir_texop_tg4
) {
6623 opcode
= aco_opcode::image_gather4_lz_o
;
6625 opcode
= aco_opcode::image_gather4_c_lz_o
;
6627 opcode
= aco_opcode::image_gather4_lz
;
6629 opcode
= aco_opcode::image_gather4_c_lz
;
6631 } else if (instr
->op
== nir_texop_lod
) {
6632 opcode
= aco_opcode::image_get_lod
;
6635 tex
.reset(create_instruction
<MIMG_instruction
>(opcode
, Format::MIMG
, 3, 1));
6636 tex
->operands
[0] = arg
;
6637 tex
->operands
[1] = Operand(resource
);
6638 tex
->operands
[2] = Operand(sampler
);
6642 tex
->definitions
[0] = Definition(tmp_dst
);
6643 tex
->can_reorder
= true;
6644 ctx
->block
->instructions
.emplace_back(std::move(tex
));
6646 if (tg4_integer_cube_workaround
) {
6647 assert(tmp_dst
.id() != dst
.id());
6648 assert(tmp_dst
.size() == dst
.size() && dst
.size() == 4);
6650 emit_split_vector(ctx
, tmp_dst
, tmp_dst
.size());
6652 for (unsigned i
= 0; i
< dst
.size(); i
++) {
6653 val
[i
] = emit_extract_vector(ctx
, tmp_dst
, i
, v1
);
6655 if (stype
== GLSL_TYPE_UINT
)
6656 cvt_val
= bld
.vop1(aco_opcode::v_cvt_u32_f32
, bld
.def(v1
), val
[i
]);
6658 cvt_val
= bld
.vop1(aco_opcode::v_cvt_i32_f32
, bld
.def(v1
), val
[i
]);
6659 val
[i
] = bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), val
[i
], cvt_val
, tg4_compare_cube_wa64
);
6661 Temp tmp
= dst
.regClass() == v4
? dst
: bld
.tmp(v4
);
6662 tmp_dst
= bld
.pseudo(aco_opcode::p_create_vector
, Definition(tmp
),
6663 val
[0], val
[1], val
[2], val
[3]);
6665 unsigned mask
= instr
->op
== nir_texop_tg4
? 0xF : dmask
;
6666 expand_vector(ctx
, tmp_dst
, dst
, instr
->dest
.ssa
.num_components
, mask
);
6671 Operand
get_phi_operand(isel_context
*ctx
, nir_ssa_def
*ssa
)
6673 Temp tmp
= get_ssa_temp(ctx
, ssa
);
6674 if (ssa
->parent_instr
->type
== nir_instr_type_ssa_undef
)
6675 return Operand(tmp
.regClass());
6677 return Operand(tmp
);
6680 void visit_phi(isel_context
*ctx
, nir_phi_instr
*instr
)
6682 aco_ptr
<Pseudo_instruction
> phi
;
6683 unsigned num_src
= exec_list_length(&instr
->srcs
);
6684 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6686 aco_opcode opcode
= !dst
.is_linear() || ctx
->divergent_vals
[instr
->dest
.ssa
.index
] ? aco_opcode::p_phi
: aco_opcode::p_linear_phi
;
6688 std::map
<unsigned, nir_ssa_def
*> phi_src
;
6689 bool all_undef
= true;
6690 nir_foreach_phi_src(src
, instr
) {
6691 phi_src
[src
->pred
->index
] = src
->src
.ssa
;
6692 if (src
->src
.ssa
->parent_instr
->type
!= nir_instr_type_ssa_undef
)
6696 Builder
bld(ctx
->program
, ctx
->block
);
6697 if (dst
.regClass() == s1
) {
6698 bld
.sop1(aco_opcode::s_mov_b32
, Definition(dst
), Operand(0u));
6699 } else if (dst
.regClass() == v1
) {
6700 bld
.vop1(aco_opcode::v_mov_b32
, Definition(dst
), Operand(0u));
6702 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, dst
.size(), 1)};
6703 for (unsigned i
= 0; i
< dst
.size(); i
++)
6704 vec
->operands
[i
] = Operand(0u);
6705 vec
->definitions
[0] = Definition(dst
);
6706 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6711 /* try to scalarize vector phis */
6712 if (dst
.size() > 1) {
6713 // TODO: scalarize linear phis on divergent ifs
6714 bool can_scalarize
= (opcode
== aco_opcode::p_phi
|| !(ctx
->block
->kind
& block_kind_merge
));
6715 std::array
<Temp
, 4> new_vec
;
6716 for (std::pair
<const unsigned, nir_ssa_def
*>& pair
: phi_src
) {
6717 Operand src
= get_phi_operand(ctx
, pair
.second
);
6718 if (src
.isTemp() && ctx
->allocated_vec
.find(src
.tempId()) == ctx
->allocated_vec
.end()) {
6719 can_scalarize
= false;
6723 if (can_scalarize
) {
6724 unsigned num_components
= instr
->dest
.ssa
.num_components
;
6725 assert(dst
.size() % num_components
== 0);
6726 RegClass rc
= RegClass(dst
.type(), dst
.size() / num_components
);
6728 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, num_components
, 1)};
6729 for (unsigned k
= 0; k
< num_components
; k
++) {
6730 phi
.reset(create_instruction
<Pseudo_instruction
>(opcode
, Format::PSEUDO
, num_src
, 1));
6731 std::map
<unsigned, nir_ssa_def
*>::iterator it
= phi_src
.begin();
6732 for (unsigned i
= 0; i
< num_src
; i
++) {
6733 Operand src
= get_phi_operand(ctx
, it
->second
);
6734 phi
->operands
[i
] = src
.isTemp() ? Operand(ctx
->allocated_vec
[src
.tempId()][k
]) : Operand(rc
);
6737 Temp phi_dst
= {ctx
->program
->allocateId(), rc
};
6738 phi
->definitions
[0] = Definition(phi_dst
);
6739 ctx
->block
->instructions
.emplace(ctx
->block
->instructions
.begin(), std::move(phi
));
6740 new_vec
[k
] = phi_dst
;
6741 vec
->operands
[k
] = Operand(phi_dst
);
6743 vec
->definitions
[0] = Definition(dst
);
6744 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6745 ctx
->allocated_vec
.emplace(dst
.id(), new_vec
);
6750 unsigned extra_src
= 0;
6751 if (opcode
== aco_opcode::p_linear_phi
&& (ctx
->block
->kind
& block_kind_loop_exit
) &&
6752 ctx
->program
->blocks
[ctx
->block
->index
-2].kind
& block_kind_continue_or_break
) {
6756 phi
.reset(create_instruction
<Pseudo_instruction
>(opcode
, Format::PSEUDO
, num_src
+ extra_src
, 1));
6758 /* if we have a linear phi on a divergent if, we know that one src is undef */
6759 if (opcode
== aco_opcode::p_linear_phi
&& ctx
->block
->kind
& block_kind_merge
) {
6760 assert(extra_src
== 0);
6762 /* we place the phi either in the invert-block or in the current block */
6763 if (phi_src
.begin()->second
->parent_instr
->type
!= nir_instr_type_ssa_undef
) {
6764 assert((++phi_src
.begin())->second
->parent_instr
->type
== nir_instr_type_ssa_undef
);
6765 Block
& linear_else
= ctx
->program
->blocks
[ctx
->block
->linear_preds
[1]];
6766 block
= &ctx
->program
->blocks
[linear_else
.linear_preds
[0]];
6767 assert(block
->kind
& block_kind_invert
);
6768 phi
->operands
[0] = get_phi_operand(ctx
, phi_src
.begin()->second
);
6770 assert((++phi_src
.begin())->second
->parent_instr
->type
!= nir_instr_type_ssa_undef
);
6772 phi
->operands
[0] = get_phi_operand(ctx
, (++phi_src
.begin())->second
);
6774 phi
->operands
[1] = Operand(dst
.regClass());
6775 phi
->definitions
[0] = Definition(dst
);
6776 block
->instructions
.emplace(block
->instructions
.begin(), std::move(phi
));
6780 std::map
<unsigned, nir_ssa_def
*>::iterator it
= phi_src
.begin();
6781 for (unsigned i
= 0; i
< num_src
; i
++) {
6782 phi
->operands
[i
] = get_phi_operand(ctx
, it
->second
);
6785 for (unsigned i
= 0; i
< extra_src
; i
++)
6786 phi
->operands
[num_src
+ i
] = Operand(dst
.regClass());
6787 phi
->definitions
[0] = Definition(dst
);
6788 ctx
->block
->instructions
.emplace(ctx
->block
->instructions
.begin(), std::move(phi
));
6792 void visit_undef(isel_context
*ctx
, nir_ssa_undef_instr
*instr
)
6794 Temp dst
= get_ssa_temp(ctx
, &instr
->def
);
6796 assert(dst
.type() == RegType::sgpr
);
6798 if (dst
.size() == 1) {
6799 Builder(ctx
->program
, ctx
->block
).copy(Definition(dst
), Operand(0u));
6801 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, dst
.size(), 1)};
6802 for (unsigned i
= 0; i
< dst
.size(); i
++)
6803 vec
->operands
[i
] = Operand(0u);
6804 vec
->definitions
[0] = Definition(dst
);
6805 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6809 void visit_jump(isel_context
*ctx
, nir_jump_instr
*instr
)
6811 Builder
bld(ctx
->program
, ctx
->block
);
6812 Block
*logical_target
;
6813 append_logical_end(ctx
->block
);
6814 unsigned idx
= ctx
->block
->index
;
6816 switch (instr
->type
) {
6817 case nir_jump_break
:
6818 logical_target
= ctx
->cf_info
.parent_loop
.exit
;
6819 add_logical_edge(idx
, logical_target
);
6820 ctx
->block
->kind
|= block_kind_break
;
6822 if (!ctx
->cf_info
.parent_if
.is_divergent
&&
6823 !ctx
->cf_info
.parent_loop
.has_divergent_continue
) {
6824 /* uniform break - directly jump out of the loop */
6825 ctx
->block
->kind
|= block_kind_uniform
;
6826 ctx
->cf_info
.has_branch
= true;
6827 bld
.branch(aco_opcode::p_branch
);
6828 add_linear_edge(idx
, logical_target
);
6831 ctx
->cf_info
.parent_loop
.has_divergent_branch
= true;
6833 case nir_jump_continue
:
6834 logical_target
= &ctx
->program
->blocks
[ctx
->cf_info
.parent_loop
.header_idx
];
6835 add_logical_edge(idx
, logical_target
);
6836 ctx
->block
->kind
|= block_kind_continue
;
6838 if (ctx
->cf_info
.parent_if
.is_divergent
) {
6839 /* for potential uniform breaks after this continue,
6840 we must ensure that they are handled correctly */
6841 ctx
->cf_info
.parent_loop
.has_divergent_continue
= true;
6842 ctx
->cf_info
.parent_loop
.has_divergent_branch
= true;
6844 /* uniform continue - directly jump to the loop header */
6845 ctx
->block
->kind
|= block_kind_uniform
;
6846 ctx
->cf_info
.has_branch
= true;
6847 bld
.branch(aco_opcode::p_branch
);
6848 add_linear_edge(idx
, logical_target
);
6853 fprintf(stderr
, "Unknown NIR jump instr: ");
6854 nir_print_instr(&instr
->instr
, stderr
);
6855 fprintf(stderr
, "\n");
6859 /* remove critical edges from linear CFG */
6860 bld
.branch(aco_opcode::p_branch
);
6861 Block
* break_block
= ctx
->program
->create_and_insert_block();
6862 break_block
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
6863 break_block
->kind
|= block_kind_uniform
;
6864 add_linear_edge(idx
, break_block
);
6865 /* the loop_header pointer might be invalidated by this point */
6866 if (instr
->type
== nir_jump_continue
)
6867 logical_target
= &ctx
->program
->blocks
[ctx
->cf_info
.parent_loop
.header_idx
];
6868 add_linear_edge(break_block
->index
, logical_target
);
6869 bld
.reset(break_block
);
6870 bld
.branch(aco_opcode::p_branch
);
6872 Block
* continue_block
= ctx
->program
->create_and_insert_block();
6873 continue_block
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
6874 add_linear_edge(idx
, continue_block
);
6875 append_logical_start(continue_block
);
6876 ctx
->block
= continue_block
;
6880 void visit_block(isel_context
*ctx
, nir_block
*block
)
6882 nir_foreach_instr(instr
, block
) {
6883 switch (instr
->type
) {
6884 case nir_instr_type_alu
:
6885 visit_alu_instr(ctx
, nir_instr_as_alu(instr
));
6887 case nir_instr_type_load_const
:
6888 visit_load_const(ctx
, nir_instr_as_load_const(instr
));
6890 case nir_instr_type_intrinsic
:
6891 visit_intrinsic(ctx
, nir_instr_as_intrinsic(instr
));
6893 case nir_instr_type_tex
:
6894 visit_tex(ctx
, nir_instr_as_tex(instr
));
6896 case nir_instr_type_phi
:
6897 visit_phi(ctx
, nir_instr_as_phi(instr
));
6899 case nir_instr_type_ssa_undef
:
6900 visit_undef(ctx
, nir_instr_as_ssa_undef(instr
));
6902 case nir_instr_type_deref
:
6904 case nir_instr_type_jump
:
6905 visit_jump(ctx
, nir_instr_as_jump(instr
));
6908 fprintf(stderr
, "Unknown NIR instr type: ");
6909 nir_print_instr(instr
, stderr
);
6910 fprintf(stderr
, "\n");
6918 static void visit_loop(isel_context
*ctx
, nir_loop
*loop
)
6920 append_logical_end(ctx
->block
);
6921 ctx
->block
->kind
|= block_kind_loop_preheader
| block_kind_uniform
;
6922 Builder
bld(ctx
->program
, ctx
->block
);
6923 bld
.branch(aco_opcode::p_branch
);
6924 unsigned loop_preheader_idx
= ctx
->block
->index
;
6926 Block loop_exit
= Block();
6927 loop_exit
.loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
6928 loop_exit
.kind
|= (block_kind_loop_exit
| (ctx
->block
->kind
& block_kind_top_level
));
6930 Block
* loop_header
= ctx
->program
->create_and_insert_block();
6931 loop_header
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
+ 1;
6932 loop_header
->kind
|= block_kind_loop_header
;
6933 add_edge(loop_preheader_idx
, loop_header
);
6934 ctx
->block
= loop_header
;
6936 /* emit loop body */
6937 unsigned loop_header_idx
= loop_header
->index
;
6938 loop_info_RAII
loop_raii(ctx
, loop_header_idx
, &loop_exit
);
6939 append_logical_start(ctx
->block
);
6940 visit_cf_list(ctx
, &loop
->body
);
6942 //TODO: what if a loop ends with a unconditional or uniformly branched continue and this branch is never taken?
6943 if (!ctx
->cf_info
.has_branch
) {
6944 append_logical_end(ctx
->block
);
6945 if (ctx
->cf_info
.exec_potentially_empty
) {
6946 /* Discards can result in code running with an empty exec mask.
6947 * This would result in divergent breaks not ever being taken. As a
6948 * workaround, break the loop when the loop mask is empty instead of
6949 * always continuing. */
6950 ctx
->block
->kind
|= (block_kind_continue_or_break
| block_kind_uniform
);
6952 /* create "loop_almost_exit" to avoid critical edges */
6953 unsigned block_idx
= ctx
->block
->index
;
6954 Block
*loop_almost_exit
= ctx
->program
->create_and_insert_block();
6955 loop_almost_exit
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
6956 loop_almost_exit
->kind
= block_kind_uniform
;
6957 bld
.reset(loop_almost_exit
);
6958 bld
.branch(aco_opcode::p_branch
);
6960 add_linear_edge(block_idx
, loop_almost_exit
);
6961 add_linear_edge(loop_almost_exit
->index
, &loop_exit
);
6963 ctx
->block
= &ctx
->program
->blocks
[block_idx
];
6965 ctx
->block
->kind
|= (block_kind_continue
| block_kind_uniform
);
6967 if (!ctx
->cf_info
.parent_loop
.has_divergent_branch
)
6968 add_edge(ctx
->block
->index
, &ctx
->program
->blocks
[loop_header_idx
]);
6970 add_linear_edge(ctx
->block
->index
, &ctx
->program
->blocks
[loop_header_idx
]);
6971 bld
.reset(ctx
->block
);
6972 bld
.branch(aco_opcode::p_branch
);
6975 /* fixup phis in loop header from unreachable blocks */
6976 if (ctx
->cf_info
.has_branch
|| ctx
->cf_info
.parent_loop
.has_divergent_branch
) {
6977 bool linear
= ctx
->cf_info
.has_branch
;
6978 bool logical
= ctx
->cf_info
.has_branch
|| ctx
->cf_info
.parent_loop
.has_divergent_branch
;
6979 for (aco_ptr
<Instruction
>& instr
: ctx
->program
->blocks
[loop_header_idx
].instructions
) {
6980 if ((logical
&& instr
->opcode
== aco_opcode::p_phi
) ||
6981 (linear
&& instr
->opcode
== aco_opcode::p_linear_phi
)) {
6982 /* the last operand should be the one that needs to be removed */
6983 instr
->operands
.pop_back();
6984 } else if (!is_phi(instr
)) {
6990 ctx
->cf_info
.has_branch
= false;
6992 // TODO: if the loop has not a single exit, we must add one °°
6993 /* emit loop successor block */
6994 ctx
->block
= ctx
->program
->insert_block(std::move(loop_exit
));
6995 append_logical_start(ctx
->block
);
6998 // TODO: check if it is beneficial to not branch on continues
6999 /* trim linear phis in loop header */
7000 for (auto&& instr
: loop_entry
->instructions
) {
7001 if (instr
->opcode
== aco_opcode::p_linear_phi
) {
7002 aco_ptr
<Pseudo_instruction
> new_phi
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_linear_phi
, Format::PSEUDO
, loop_entry
->linear_predecessors
.size(), 1)};
7003 new_phi
->definitions
[0] = instr
->definitions
[0];
7004 for (unsigned i
= 0; i
< new_phi
->operands
.size(); i
++)
7005 new_phi
->operands
[i
] = instr
->operands
[i
];
7006 /* check that the remaining operands are all the same */
7007 for (unsigned i
= new_phi
->operands
.size(); i
< instr
->operands
.size(); i
++)
7008 assert(instr
->operands
[i
].tempId() == instr
->operands
.back().tempId());
7009 instr
.swap(new_phi
);
7010 } else if (instr
->opcode
== aco_opcode::p_phi
) {
7019 static void begin_divergent_if_then(isel_context
*ctx
, if_context
*ic
, Temp cond
)
7023 append_logical_end(ctx
->block
);
7024 ctx
->block
->kind
|= block_kind_branch
;
7026 /* branch to linear then block */
7027 assert(cond
.regClass() == s2
);
7028 aco_ptr
<Pseudo_branch_instruction
> branch
;
7029 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_cbranch_z
, Format::PSEUDO_BRANCH
, 1, 0));
7030 branch
->operands
[0] = Operand(cond
);
7031 ctx
->block
->instructions
.push_back(std::move(branch
));
7033 ic
->BB_if_idx
= ctx
->block
->index
;
7034 ic
->BB_invert
= Block();
7035 ic
->BB_invert
.loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7036 /* Invert blocks are intentionally not marked as top level because they
7037 * are not part of the logical cfg. */
7038 ic
->BB_invert
.kind
|= block_kind_invert
;
7039 ic
->BB_endif
= Block();
7040 ic
->BB_endif
.loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7041 ic
->BB_endif
.kind
|= (block_kind_merge
| (ctx
->block
->kind
& block_kind_top_level
));
7043 ic
->exec_potentially_empty_old
= ctx
->cf_info
.exec_potentially_empty
;
7044 ic
->divergent_old
= ctx
->cf_info
.parent_if
.is_divergent
;
7045 ctx
->cf_info
.parent_if
.is_divergent
= true;
7046 ctx
->cf_info
.exec_potentially_empty
= false; /* divergent branches use cbranch_execz */
7048 /** emit logical then block */
7049 Block
* BB_then_logical
= ctx
->program
->create_and_insert_block();
7050 BB_then_logical
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7051 add_edge(ic
->BB_if_idx
, BB_then_logical
);
7052 ctx
->block
= BB_then_logical
;
7053 append_logical_start(BB_then_logical
);
7056 static void begin_divergent_if_else(isel_context
*ctx
, if_context
*ic
)
7058 Block
*BB_then_logical
= ctx
->block
;
7059 append_logical_end(BB_then_logical
);
7060 /* branch from logical then block to invert block */
7061 aco_ptr
<Pseudo_branch_instruction
> branch
;
7062 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_branch
, Format::PSEUDO_BRANCH
, 0, 0));
7063 BB_then_logical
->instructions
.emplace_back(std::move(branch
));
7064 add_linear_edge(BB_then_logical
->index
, &ic
->BB_invert
);
7065 if (!ctx
->cf_info
.parent_loop
.has_divergent_branch
)
7066 add_logical_edge(BB_then_logical
->index
, &ic
->BB_endif
);
7067 BB_then_logical
->kind
|= block_kind_uniform
;
7068 assert(!ctx
->cf_info
.has_branch
);
7069 ic
->then_branch_divergent
= ctx
->cf_info
.parent_loop
.has_divergent_branch
;
7070 ctx
->cf_info
.parent_loop
.has_divergent_branch
= false;
7072 /** emit linear then block */
7073 Block
* BB_then_linear
= ctx
->program
->create_and_insert_block();
7074 BB_then_linear
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7075 BB_then_linear
->kind
|= block_kind_uniform
;
7076 add_linear_edge(ic
->BB_if_idx
, BB_then_linear
);
7077 /* branch from linear then block to invert block */
7078 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_branch
, Format::PSEUDO_BRANCH
, 0, 0));
7079 BB_then_linear
->instructions
.emplace_back(std::move(branch
));
7080 add_linear_edge(BB_then_linear
->index
, &ic
->BB_invert
);
7082 /** emit invert merge block */
7083 ctx
->block
= ctx
->program
->insert_block(std::move(ic
->BB_invert
));
7084 ic
->invert_idx
= ctx
->block
->index
;
7086 /* branch to linear else block (skip else) */
7087 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_cbranch_nz
, Format::PSEUDO_BRANCH
, 1, 0));
7088 branch
->operands
[0] = Operand(ic
->cond
);
7089 ctx
->block
->instructions
.push_back(std::move(branch
));
7091 ic
->exec_potentially_empty_old
|= ctx
->cf_info
.exec_potentially_empty
;
7092 ctx
->cf_info
.exec_potentially_empty
= false; /* divergent branches use cbranch_execz */
7094 /** emit logical else block */
7095 Block
* BB_else_logical
= ctx
->program
->create_and_insert_block();
7096 BB_else_logical
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7097 add_logical_edge(ic
->BB_if_idx
, BB_else_logical
);
7098 add_linear_edge(ic
->invert_idx
, BB_else_logical
);
7099 ctx
->block
= BB_else_logical
;
7100 append_logical_start(BB_else_logical
);
7103 static void end_divergent_if(isel_context
*ctx
, if_context
*ic
)
7105 Block
*BB_else_logical
= ctx
->block
;
7106 append_logical_end(BB_else_logical
);
7108 /* branch from logical else block to endif block */
7109 aco_ptr
<Pseudo_branch_instruction
> branch
;
7110 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_branch
, Format::PSEUDO_BRANCH
, 0, 0));
7111 BB_else_logical
->instructions
.emplace_back(std::move(branch
));
7112 add_linear_edge(BB_else_logical
->index
, &ic
->BB_endif
);
7113 if (!ctx
->cf_info
.parent_loop
.has_divergent_branch
)
7114 add_logical_edge(BB_else_logical
->index
, &ic
->BB_endif
);
7115 BB_else_logical
->kind
|= block_kind_uniform
;
7117 assert(!ctx
->cf_info
.has_branch
);
7118 ctx
->cf_info
.parent_loop
.has_divergent_branch
&= ic
->then_branch_divergent
;
7121 /** emit linear else block */
7122 Block
* BB_else_linear
= ctx
->program
->create_and_insert_block();
7123 BB_else_linear
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7124 BB_else_linear
->kind
|= block_kind_uniform
;
7125 add_linear_edge(ic
->invert_idx
, BB_else_linear
);
7127 /* branch from linear else block to endif block */
7128 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_branch
, Format::PSEUDO_BRANCH
, 0, 0));
7129 BB_else_linear
->instructions
.emplace_back(std::move(branch
));
7130 add_linear_edge(BB_else_linear
->index
, &ic
->BB_endif
);
7133 /** emit endif merge block */
7134 ctx
->block
= ctx
->program
->insert_block(std::move(ic
->BB_endif
));
7135 append_logical_start(ctx
->block
);
7138 ctx
->cf_info
.parent_if
.is_divergent
= ic
->divergent_old
;
7139 ctx
->cf_info
.exec_potentially_empty
|= ic
->exec_potentially_empty_old
;
7140 /* uniform control flow never has an empty exec-mask */
7141 if (!ctx
->cf_info
.loop_nest_depth
&& !ctx
->cf_info
.parent_if
.is_divergent
)
7142 ctx
->cf_info
.exec_potentially_empty
= false;
7145 static void visit_if(isel_context
*ctx
, nir_if
*if_stmt
)
7147 Temp cond
= get_ssa_temp(ctx
, if_stmt
->condition
.ssa
);
7148 Builder
bld(ctx
->program
, ctx
->block
);
7149 aco_ptr
<Pseudo_branch_instruction
> branch
;
7151 if (!ctx
->divergent_vals
[if_stmt
->condition
.ssa
->index
]) { /* uniform condition */
7153 * Uniform conditionals are represented in the following way*) :
7155 * The linear and logical CFG:
7158 * BB_THEN (logical) BB_ELSE (logical)
7162 * *) Exceptions may be due to break and continue statements within loops
7163 * If a break/continue happens within uniform control flow, it branches
7164 * to the loop exit/entry block. Otherwise, it branches to the next
7167 append_logical_end(ctx
->block
);
7168 ctx
->block
->kind
|= block_kind_uniform
;
7171 if (cond
.regClass() == s2
) {
7172 // TODO: in a post-RA optimizer, we could check if the condition is in VCC and omit this instruction
7173 cond
= as_uniform_bool(ctx
, cond
);
7175 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_cbranch_z
, Format::PSEUDO_BRANCH
, 1, 0));
7176 branch
->operands
[0] = Operand(cond
);
7177 branch
->operands
[0].setFixed(scc
);
7178 ctx
->block
->instructions
.emplace_back(std::move(branch
));
7180 unsigned BB_if_idx
= ctx
->block
->index
;
7181 Block BB_endif
= Block();
7182 BB_endif
.loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7183 BB_endif
.kind
|= ctx
->block
->kind
& block_kind_top_level
;
7185 /** emit then block */
7186 Block
* BB_then
= ctx
->program
->create_and_insert_block();
7187 BB_then
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7188 add_edge(BB_if_idx
, BB_then
);
7189 append_logical_start(BB_then
);
7190 ctx
->block
= BB_then
;
7191 visit_cf_list(ctx
, &if_stmt
->then_list
);
7192 BB_then
= ctx
->block
;
7193 bool then_branch
= ctx
->cf_info
.has_branch
;
7194 bool then_branch_divergent
= ctx
->cf_info
.parent_loop
.has_divergent_branch
;
7197 append_logical_end(BB_then
);
7198 /* branch from then block to endif block */
7199 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_branch
, Format::PSEUDO_BRANCH
, 0, 0));
7200 BB_then
->instructions
.emplace_back(std::move(branch
));
7201 add_linear_edge(BB_then
->index
, &BB_endif
);
7202 if (!then_branch_divergent
)
7203 add_logical_edge(BB_then
->index
, &BB_endif
);
7204 BB_then
->kind
|= block_kind_uniform
;
7207 ctx
->cf_info
.has_branch
= false;
7208 ctx
->cf_info
.parent_loop
.has_divergent_branch
= false;
7210 /** emit else block */
7211 Block
* BB_else
= ctx
->program
->create_and_insert_block();
7212 BB_else
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7213 add_edge(BB_if_idx
, BB_else
);
7214 append_logical_start(BB_else
);
7215 ctx
->block
= BB_else
;
7216 visit_cf_list(ctx
, &if_stmt
->else_list
);
7217 BB_else
= ctx
->block
;
7219 if (!ctx
->cf_info
.has_branch
) {
7220 append_logical_end(BB_else
);
7221 /* branch from then block to endif block */
7222 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_branch
, Format::PSEUDO_BRANCH
, 0, 0));
7223 BB_else
->instructions
.emplace_back(std::move(branch
));
7224 add_linear_edge(BB_else
->index
, &BB_endif
);
7225 if (!ctx
->cf_info
.parent_loop
.has_divergent_branch
)
7226 add_logical_edge(BB_else
->index
, &BB_endif
);
7227 BB_else
->kind
|= block_kind_uniform
;
7230 ctx
->cf_info
.has_branch
&= then_branch
;
7231 ctx
->cf_info
.parent_loop
.has_divergent_branch
&= then_branch_divergent
;
7233 /** emit endif merge block */
7234 if (!ctx
->cf_info
.has_branch
) {
7235 ctx
->block
= ctx
->program
->insert_block(std::move(BB_endif
));
7236 append_logical_start(ctx
->block
);
7238 } else { /* non-uniform condition */
7240 * To maintain a logical and linear CFG without critical edges,
7241 * non-uniform conditionals are represented in the following way*) :
7246 * BB_THEN (logical) BB_THEN (linear)
7248 * BB_INVERT (linear)
7250 * BB_ELSE (logical) BB_ELSE (linear)
7257 * BB_THEN (logical) BB_ELSE (logical)
7261 * *) Exceptions may be due to break and continue statements within loops
7266 begin_divergent_if_then(ctx
, &ic
, cond
);
7267 visit_cf_list(ctx
, &if_stmt
->then_list
);
7269 begin_divergent_if_else(ctx
, &ic
);
7270 visit_cf_list(ctx
, &if_stmt
->else_list
);
7272 end_divergent_if(ctx
, &ic
);
7276 static void visit_cf_list(isel_context
*ctx
,
7277 struct exec_list
*list
)
7279 foreach_list_typed(nir_cf_node
, node
, node
, list
) {
7280 switch (node
->type
) {
7281 case nir_cf_node_block
:
7282 visit_block(ctx
, nir_cf_node_as_block(node
));
7284 case nir_cf_node_if
:
7285 visit_if(ctx
, nir_cf_node_as_if(node
));
7287 case nir_cf_node_loop
:
7288 visit_loop(ctx
, nir_cf_node_as_loop(node
));
7291 unreachable("unimplemented cf list type");
7296 static void export_vs_varying(isel_context
*ctx
, int slot
, bool is_pos
, int *next_pos
)
7298 int offset
= ctx
->program
->info
->vs
.outinfo
.vs_output_param_offset
[slot
];
7299 uint64_t mask
= ctx
->vs_output
.mask
[slot
];
7300 if (!is_pos
&& !mask
)
7302 if (!is_pos
&& offset
== AC_EXP_PARAM_UNDEFINED
)
7304 aco_ptr
<Export_instruction
> exp
{create_instruction
<Export_instruction
>(aco_opcode::exp
, Format::EXP
, 4, 0)};
7305 exp
->enabled_mask
= mask
;
7306 for (unsigned i
= 0; i
< 4; ++i
) {
7307 if (mask
& (1 << i
))
7308 exp
->operands
[i
] = Operand(ctx
->vs_output
.outputs
[slot
][i
]);
7310 exp
->operands
[i
] = Operand(v1
);
7312 exp
->valid_mask
= false;
7314 exp
->compressed
= false;
7316 exp
->dest
= V_008DFC_SQ_EXP_POS
+ (*next_pos
)++;
7318 exp
->dest
= V_008DFC_SQ_EXP_PARAM
+ offset
;
7319 ctx
->block
->instructions
.emplace_back(std::move(exp
));
7322 static void export_vs_psiz_layer_viewport(isel_context
*ctx
, int *next_pos
)
7324 aco_ptr
<Export_instruction
> exp
{create_instruction
<Export_instruction
>(aco_opcode::exp
, Format::EXP
, 4, 0)};
7325 exp
->enabled_mask
= 0;
7326 for (unsigned i
= 0; i
< 4; ++i
)
7327 exp
->operands
[i
] = Operand(v1
);
7328 if (ctx
->vs_output
.mask
[VARYING_SLOT_PSIZ
]) {
7329 exp
->operands
[0] = Operand(ctx
->vs_output
.outputs
[VARYING_SLOT_PSIZ
][0]);
7330 exp
->enabled_mask
|= 0x1;
7332 if (ctx
->vs_output
.mask
[VARYING_SLOT_LAYER
]) {
7333 exp
->operands
[2] = Operand(ctx
->vs_output
.outputs
[VARYING_SLOT_LAYER
][0]);
7334 exp
->enabled_mask
|= 0x4;
7336 if (ctx
->vs_output
.mask
[VARYING_SLOT_VIEWPORT
]) {
7337 if (ctx
->options
->chip_class
< GFX9
) {
7338 exp
->operands
[3] = Operand(ctx
->vs_output
.outputs
[VARYING_SLOT_VIEWPORT
][0]);
7339 exp
->enabled_mask
|= 0x8;
7341 Builder
bld(ctx
->program
, ctx
->block
);
7343 Temp out
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(16u),
7344 Operand(ctx
->vs_output
.outputs
[VARYING_SLOT_VIEWPORT
][0]));
7345 if (exp
->operands
[2].isTemp())
7346 out
= bld
.vop2(aco_opcode::v_or_b32
, bld
.def(v1
), Operand(out
), exp
->operands
[2]);
7348 exp
->operands
[2] = Operand(out
);
7349 exp
->enabled_mask
|= 0x4;
7352 exp
->valid_mask
= false;
7354 exp
->compressed
= false;
7355 exp
->dest
= V_008DFC_SQ_EXP_POS
+ (*next_pos
)++;
7356 ctx
->block
->instructions
.emplace_back(std::move(exp
));
7359 static void create_vs_exports(isel_context
*ctx
)
7361 radv_vs_output_info
*outinfo
= &ctx
->program
->info
->vs
.outinfo
;
7363 if (outinfo
->export_prim_id
) {
7364 ctx
->vs_output
.mask
[VARYING_SLOT_PRIMITIVE_ID
] |= 0x1;
7365 ctx
->vs_output
.outputs
[VARYING_SLOT_PRIMITIVE_ID
][0] = ctx
->vs_prim_id
;
7368 if (ctx
->options
->key
.has_multiview_view_index
) {
7369 ctx
->vs_output
.mask
[VARYING_SLOT_LAYER
] |= 0x1;
7370 ctx
->vs_output
.outputs
[VARYING_SLOT_LAYER
][0] = as_vgpr(ctx
, ctx
->view_index
);
7373 /* the order these position exports are created is important */
7375 export_vs_varying(ctx
, VARYING_SLOT_POS
, true, &next_pos
);
7376 if (outinfo
->writes_pointsize
|| outinfo
->writes_layer
|| outinfo
->writes_viewport_index
) {
7377 export_vs_psiz_layer_viewport(ctx
, &next_pos
);
7379 if (ctx
->num_clip_distances
+ ctx
->num_cull_distances
> 0)
7380 export_vs_varying(ctx
, VARYING_SLOT_CLIP_DIST0
, true, &next_pos
);
7381 if (ctx
->num_clip_distances
+ ctx
->num_cull_distances
> 4)
7382 export_vs_varying(ctx
, VARYING_SLOT_CLIP_DIST1
, true, &next_pos
);
7384 if (ctx
->options
->key
.vs_common_out
.export_clip_dists
) {
7385 if (ctx
->num_clip_distances
+ ctx
->num_cull_distances
> 0)
7386 export_vs_varying(ctx
, VARYING_SLOT_CLIP_DIST0
, false, &next_pos
);
7387 if (ctx
->num_clip_distances
+ ctx
->num_cull_distances
> 4)
7388 export_vs_varying(ctx
, VARYING_SLOT_CLIP_DIST1
, false, &next_pos
);
7391 for (unsigned i
= 0; i
<= VARYING_SLOT_VAR31
; ++i
) {
7392 if (i
< VARYING_SLOT_VAR0
&& i
!= VARYING_SLOT_LAYER
&&
7393 i
!= VARYING_SLOT_PRIMITIVE_ID
)
7396 export_vs_varying(ctx
, i
, false, NULL
);
7400 static void emit_stream_output(isel_context
*ctx
,
7401 Temp
const *so_buffers
,
7402 Temp
const *so_write_offset
,
7403 const struct radv_stream_output
*output
)
7405 unsigned num_comps
= util_bitcount(output
->component_mask
);
7406 unsigned loc
= output
->location
;
7407 unsigned buf
= output
->buffer
;
7408 unsigned offset
= output
->offset
;
7410 assert(num_comps
&& num_comps
<= 4);
7411 if (!num_comps
|| num_comps
> 4)
7414 unsigned start
= ffs(output
->component_mask
) - 1;
7417 bool all_undef
= true;
7418 assert(ctx
->stage
== vertex_vs
);
7419 for (unsigned i
= 0; i
< num_comps
; i
++) {
7420 out
[i
] = ctx
->vs_output
.outputs
[loc
][start
+ i
];
7421 all_undef
= all_undef
&& !out
[i
].id();
7426 Temp write_data
= {ctx
->program
->allocateId(), RegClass(RegType::vgpr
, num_comps
)};
7427 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, num_comps
, 1)};
7428 for (unsigned i
= 0; i
< num_comps
; ++i
)
7429 vec
->operands
[i
] = (ctx
->vs_output
.mask
[loc
] & 1 << i
) ? Operand(out
[i
]) : Operand(0u);
7430 vec
->definitions
[0] = Definition(write_data
);
7431 ctx
->block
->instructions
.emplace_back(std::move(vec
));
7434 switch (num_comps
) {
7436 opcode
= aco_opcode::buffer_store_dword
;
7439 opcode
= aco_opcode::buffer_store_dwordx2
;
7442 opcode
= aco_opcode::buffer_store_dwordx3
;
7445 opcode
= aco_opcode::buffer_store_dwordx4
;
7449 aco_ptr
<MUBUF_instruction
> store
{create_instruction
<MUBUF_instruction
>(opcode
, Format::MUBUF
, 4, 0)};
7450 store
->operands
[0] = Operand(so_write_offset
[buf
]);
7451 store
->operands
[1] = Operand(so_buffers
[buf
]);
7452 store
->operands
[2] = Operand((uint32_t) 0);
7453 store
->operands
[3] = Operand(write_data
);
7454 if (offset
> 4095) {
7455 /* Don't think this can happen in RADV, but maybe GL? It's easy to do this anyway. */
7456 Builder
bld(ctx
->program
, ctx
->block
);
7457 store
->operands
[0] = bld
.vadd32(bld
.def(v1
), Operand(offset
), Operand(so_write_offset
[buf
]));
7459 store
->offset
= offset
;
7461 store
->offen
= true;
7465 store
->can_reorder
= true;
7466 ctx
->block
->instructions
.emplace_back(std::move(store
));
7469 static void emit_streamout(isel_context
*ctx
, unsigned stream
)
7471 Builder
bld(ctx
->program
, ctx
->block
);
7474 Temp buf_ptr
= convert_pointer_to_64_bit(ctx
, ctx
->streamout_buffers
);
7475 for (unsigned i
= 0; i
< 4; i
++) {
7476 unsigned stride
= ctx
->program
->info
->so
.strides
[i
];
7480 so_buffers
[i
] = bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), buf_ptr
, Operand(i
* 16u));
7483 Temp so_vtx_count
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
),
7484 ctx
->streamout_config
, Operand(0x70010u
));
7486 Temp tid
= bld
.vop3(aco_opcode::v_mbcnt_hi_u32_b32
, bld
.def(v1
), Operand((uint32_t) -1),
7487 bld
.vop3(aco_opcode::v_mbcnt_lo_u32_b32
, bld
.def(v1
), Operand((uint32_t) -1), Operand(0u)));
7489 Temp can_emit
= bld
.vopc(aco_opcode::v_cmp_gt_i32
, bld
.def(s2
), so_vtx_count
, tid
);
7492 begin_divergent_if_then(ctx
, &ic
, can_emit
);
7494 bld
.reset(ctx
->block
);
7496 Temp so_write_index
= bld
.vadd32(bld
.def(v1
), ctx
->streamout_write_idx
, tid
);
7498 Temp so_write_offset
[4];
7500 for (unsigned i
= 0; i
< 4; i
++) {
7501 unsigned stride
= ctx
->program
->info
->so
.strides
[i
];
7506 Temp offset
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
),
7507 ctx
->streamout_write_idx
, ctx
->streamout_offset
[i
]);
7508 Temp new_offset
= bld
.vadd32(bld
.def(v1
), offset
, tid
);
7510 so_write_offset
[i
] = bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(2u), new_offset
);
7512 Temp offset
= bld
.v_mul_imm(bld
.def(v1
), so_write_index
, stride
* 4u);
7513 Temp offset2
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), Operand(4u), ctx
->streamout_offset
[i
]);
7514 so_write_offset
[i
] = bld
.vadd32(bld
.def(v1
), offset
, offset2
);
7518 for (unsigned i
= 0; i
< ctx
->program
->info
->so
.num_outputs
; i
++) {
7519 struct radv_stream_output
*output
=
7520 &ctx
->program
->info
->so
.outputs
[i
];
7521 if (stream
!= output
->stream
)
7524 emit_stream_output(ctx
, so_buffers
, so_write_offset
, output
);
7527 begin_divergent_if_else(ctx
, &ic
);
7528 end_divergent_if(ctx
, &ic
);
7531 } /* end namespace */
7533 void handle_bc_optimize(isel_context
*ctx
)
7535 /* needed when SPI_PS_IN_CONTROL.BC_OPTIMIZE_DISABLE is set to 0 */
7536 Builder
bld(ctx
->program
, ctx
->block
);
7537 uint32_t spi_ps_input_ena
= ctx
->program
->config
->spi_ps_input_ena
;
7538 bool uses_center
= G_0286CC_PERSP_CENTER_ENA(spi_ps_input_ena
) || G_0286CC_LINEAR_CENTER_ENA(spi_ps_input_ena
);
7539 bool uses_centroid
= G_0286CC_PERSP_CENTROID_ENA(spi_ps_input_ena
) || G_0286CC_LINEAR_CENTROID_ENA(spi_ps_input_ena
);
7540 if (uses_center
&& uses_centroid
) {
7541 Temp sel
= bld
.vopc_e64(aco_opcode::v_cmp_lt_i32
, bld
.hint_vcc(bld
.def(s2
)), ctx
->prim_mask
, Operand(0u));
7543 if (G_0286CC_PERSP_CENTROID_ENA(spi_ps_input_ena
)) {
7544 for (unsigned i
= 0; i
< 2; i
++) {
7545 Temp new_coord
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
),
7546 ctx
->fs_inputs
[fs_input::persp_centroid_p1
+ i
],
7547 ctx
->fs_inputs
[fs_input::persp_center_p1
+ i
],
7549 ctx
->fs_inputs
[fs_input::persp_centroid_p1
+ i
] = new_coord
;
7553 if (G_0286CC_LINEAR_CENTROID_ENA(spi_ps_input_ena
)) {
7554 for (unsigned i
= 0; i
< 2; i
++) {
7555 Temp new_coord
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
),
7556 ctx
->fs_inputs
[fs_input::linear_centroid_p1
+ i
],
7557 ctx
->fs_inputs
[fs_input::linear_center_p1
+ i
],
7559 ctx
->fs_inputs
[fs_input::linear_centroid_p1
+ i
] = new_coord
;
7565 void select_program(Program
*program
,
7566 unsigned shader_count
,
7567 struct nir_shader
*const *shaders
,
7568 ac_shader_config
* config
,
7569 struct radv_shader_info
*info
,
7570 struct radv_nir_compiler_options
*options
)
7572 isel_context ctx
= setup_isel_context(program
, shader_count
, shaders
, config
, info
, options
);
7574 for (unsigned i
= 0; i
< shader_count
; i
++) {
7575 nir_shader
*nir
= shaders
[i
];
7576 init_context(&ctx
, nir
);
7579 add_startpgm(&ctx
); /* needs to be after init_context() for FS */
7580 append_logical_start(ctx
.block
);
7584 if (shader_count
>= 2) {
7585 Builder
bld(ctx
.program
, ctx
.block
);
7586 Temp count
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
), ctx
.merged_wave_info
, Operand((8u << 16) | (i
* 8u)));
7587 Temp thread_id
= bld
.vop3(aco_opcode::v_mbcnt_hi_u32_b32
, bld
.def(v1
), Operand((uint32_t) -1),
7588 bld
.vop3(aco_opcode::v_mbcnt_lo_u32_b32
, bld
.def(v1
), Operand((uint32_t) -1), Operand(0u)));
7589 Temp cond
= bld
.vopc(aco_opcode::v_cmp_gt_u32
, bld
.hint_vcc(bld
.def(s2
)), count
, thread_id
);
7591 begin_divergent_if_then(&ctx
, &ic
, cond
);
7595 Builder
bld(ctx
.program
, ctx
.block
);
7596 bld
.barrier(aco_opcode::p_memory_barrier_shared
); //TODO: different barriers are needed for different stages
7597 bld
.sopp(aco_opcode::s_barrier
);
7600 if (ctx
.stage
== fragment_fs
)
7601 handle_bc_optimize(&ctx
);
7603 nir_function_impl
*func
= nir_shader_get_entrypoint(nir
);
7604 visit_cf_list(&ctx
, &func
->body
);
7606 if (ctx
.program
->info
->so
.num_outputs
/*&& !ctx->is_gs_copy_shader */)
7607 emit_streamout(&ctx
, 0);
7609 if (ctx
.stage
== vertex_vs
)
7610 create_vs_exports(&ctx
);
7612 if (shader_count
>= 2) {
7613 begin_divergent_if_else(&ctx
, &ic
);
7614 end_divergent_if(&ctx
, &ic
);
7617 ralloc_free(ctx
.divergent_vals
);
7620 append_logical_end(ctx
.block
);
7621 ctx
.block
->kind
|= block_kind_uniform
;
7622 Builder
bld(ctx
.program
, ctx
.block
);
7623 if (ctx
.program
->wb_smem_l1_on_end
)
7624 bld
.smem(aco_opcode::s_dcache_wb
, false);
7625 bld
.sopp(aco_opcode::s_endpgm
);
7628 for (Block
& BB
: program
->blocks
) {
7629 for (unsigned idx
: BB
.linear_preds
)
7630 program
->blocks
[idx
].linear_succs
.emplace_back(BB
.index
);
7631 for (unsigned idx
: BB
.logical_preds
)
7632 program
->blocks
[idx
].logical_succs
.emplace_back(BB
.index
);