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_mbcnt(isel_context
*ctx
, Definition dst
,
127 Operand mask_lo
= Operand((uint32_t) -1), Operand mask_hi
= Operand((uint32_t) -1))
129 Builder
bld(ctx
->program
, ctx
->block
);
130 Definition lo_def
= ctx
->program
->wave_size
== 32 ? dst
: bld
.def(v1
);
131 Temp thread_id_lo
= bld
.vop3(aco_opcode::v_mbcnt_lo_u32_b32
, lo_def
, mask_lo
, Operand(0u));
133 if (ctx
->program
->wave_size
== 32) {
136 Temp thread_id_hi
= bld
.vop3(aco_opcode::v_mbcnt_hi_u32_b32
, dst
, mask_hi
, thread_id_lo
);
141 Temp
emit_wqm(isel_context
*ctx
, Temp src
, Temp dst
=Temp(0, s1
), bool program_needs_wqm
= false)
143 Builder
bld(ctx
->program
, ctx
->block
);
146 dst
= bld
.tmp(src
.regClass());
148 assert(src
.size() == dst
.size());
150 if (ctx
->stage
!= fragment_fs
) {
154 bld
.copy(Definition(dst
), src
);
158 bld
.pseudo(aco_opcode::p_wqm
, Definition(dst
), src
);
159 ctx
->program
->needs_wqm
|= program_needs_wqm
;
163 static Temp
emit_bpermute(isel_context
*ctx
, Builder
&bld
, Temp index
, Temp data
)
165 if (index
.regClass() == s1
)
166 return bld
.readlane(bld
.def(s1
), data
, index
);
168 Temp index_x4
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(2u), index
);
170 /* Currently not implemented on GFX6-7 */
171 assert(ctx
->options
->chip_class
>= GFX8
);
173 if (ctx
->options
->chip_class
<= GFX9
|| ctx
->program
->wave_size
== 32) {
174 return bld
.ds(aco_opcode::ds_bpermute_b32
, bld
.def(v1
), index_x4
, data
);
177 /* GFX10, wave64 mode:
178 * The bpermute instruction is limited to half-wave operation, which means that it can't
179 * properly support subgroup shuffle like older generations (or wave32 mode), so we
182 if (!ctx
->has_gfx10_wave64_bpermute
) {
183 ctx
->has_gfx10_wave64_bpermute
= true;
184 ctx
->program
->config
->num_shared_vgprs
= 8; /* Shared VGPRs are allocated in groups of 8 */
185 ctx
->program
->vgpr_limit
-= 4; /* We allocate 8 shared VGPRs, so we'll have 4 fewer normal VGPRs */
188 Temp lane_id
= emit_mbcnt(ctx
, bld
.def(v1
));
189 Temp lane_is_hi
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(0x20u
), lane_id
);
190 Temp index_is_hi
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(0x20u
), index
);
191 Temp cmp
= bld
.vopc(aco_opcode::v_cmp_eq_u32
, bld
.def(s2
, vcc
), lane_is_hi
, index_is_hi
);
193 return bld
.reduction(aco_opcode::p_wave64_bpermute
, bld
.def(v1
), bld
.def(s2
), bld
.def(s1
, scc
),
194 bld
.vcc(cmp
), Operand(v2
.as_linear()), index_x4
, data
, gfx10_wave64_bpermute
);
197 Temp
as_vgpr(isel_context
*ctx
, Temp val
)
199 if (val
.type() == RegType::sgpr
) {
200 Builder
bld(ctx
->program
, ctx
->block
);
201 return bld
.copy(bld
.def(RegType::vgpr
, val
.size()), val
);
203 assert(val
.type() == RegType::vgpr
);
207 //assumes a != 0xffffffff
208 void emit_v_div_u32(isel_context
*ctx
, Temp dst
, Temp a
, uint32_t b
)
211 Builder
bld(ctx
->program
, ctx
->block
);
213 if (util_is_power_of_two_or_zero(b
)) {
214 bld
.vop2(aco_opcode::v_lshrrev_b32
, Definition(dst
), Operand((uint32_t)util_logbase2(b
)), a
);
218 util_fast_udiv_info info
= util_compute_fast_udiv_info(b
, 32, 32);
220 assert(info
.multiplier
<= 0xffffffff);
222 bool pre_shift
= info
.pre_shift
!= 0;
223 bool increment
= info
.increment
!= 0;
224 bool multiply
= true;
225 bool post_shift
= info
.post_shift
!= 0;
227 if (!pre_shift
&& !increment
&& !multiply
&& !post_shift
) {
228 bld
.vop1(aco_opcode::v_mov_b32
, Definition(dst
), a
);
232 Temp pre_shift_dst
= a
;
234 pre_shift_dst
= (increment
|| multiply
|| post_shift
) ? bld
.tmp(v1
) : dst
;
235 bld
.vop2(aco_opcode::v_lshrrev_b32
, Definition(pre_shift_dst
), Operand((uint32_t)info
.pre_shift
), a
);
238 Temp increment_dst
= pre_shift_dst
;
240 increment_dst
= (post_shift
|| multiply
) ? bld
.tmp(v1
) : dst
;
241 bld
.vadd32(Definition(increment_dst
), Operand((uint32_t) info
.increment
), pre_shift_dst
);
244 Temp multiply_dst
= increment_dst
;
246 multiply_dst
= post_shift
? bld
.tmp(v1
) : dst
;
247 bld
.vop3(aco_opcode::v_mul_hi_u32
, Definition(multiply_dst
), increment_dst
,
248 bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand((uint32_t)info
.multiplier
)));
252 bld
.vop2(aco_opcode::v_lshrrev_b32
, Definition(dst
), Operand((uint32_t)info
.post_shift
), multiply_dst
);
256 void emit_extract_vector(isel_context
* ctx
, Temp src
, uint32_t idx
, Temp dst
)
258 Builder
bld(ctx
->program
, ctx
->block
);
259 bld
.pseudo(aco_opcode::p_extract_vector
, Definition(dst
), src
, Operand(idx
));
263 Temp
emit_extract_vector(isel_context
* ctx
, Temp src
, uint32_t idx
, RegClass dst_rc
)
265 /* no need to extract the whole vector */
266 if (src
.regClass() == dst_rc
) {
270 assert(src
.size() > idx
);
271 Builder
bld(ctx
->program
, ctx
->block
);
272 auto it
= ctx
->allocated_vec
.find(src
.id());
273 /* the size check needs to be early because elements other than 0 may be garbage */
274 if (it
!= ctx
->allocated_vec
.end() && it
->second
[0].size() == dst_rc
.size()) {
275 if (it
->second
[idx
].regClass() == dst_rc
) {
276 return it
->second
[idx
];
278 assert(dst_rc
.size() == it
->second
[idx
].regClass().size());
279 assert(dst_rc
.type() == RegType::vgpr
&& it
->second
[idx
].type() == RegType::sgpr
);
280 return bld
.copy(bld
.def(dst_rc
), it
->second
[idx
]);
284 if (src
.size() == dst_rc
.size()) {
286 return bld
.copy(bld
.def(dst_rc
), src
);
288 Temp dst
= bld
.tmp(dst_rc
);
289 emit_extract_vector(ctx
, src
, idx
, dst
);
294 void emit_split_vector(isel_context
* ctx
, Temp vec_src
, unsigned num_components
)
296 if (num_components
== 1)
298 if (ctx
->allocated_vec
.find(vec_src
.id()) != ctx
->allocated_vec
.end())
300 aco_ptr
<Pseudo_instruction
> split
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_split_vector
, Format::PSEUDO
, 1, num_components
)};
301 split
->operands
[0] = Operand(vec_src
);
302 std::array
<Temp
,4> elems
;
303 for (unsigned i
= 0; i
< num_components
; i
++) {
304 elems
[i
] = {ctx
->program
->allocateId(), RegClass(vec_src
.type(), vec_src
.size() / num_components
)};
305 split
->definitions
[i
] = Definition(elems
[i
]);
307 ctx
->block
->instructions
.emplace_back(std::move(split
));
308 ctx
->allocated_vec
.emplace(vec_src
.id(), elems
);
311 /* This vector expansion uses a mask to determine which elements in the new vector
312 * come from the original vector. The other elements are undefined. */
313 void expand_vector(isel_context
* ctx
, Temp vec_src
, Temp dst
, unsigned num_components
, unsigned mask
)
315 emit_split_vector(ctx
, vec_src
, util_bitcount(mask
));
320 Builder
bld(ctx
->program
, ctx
->block
);
321 if (num_components
== 1) {
322 if (dst
.type() == RegType::sgpr
)
323 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), vec_src
);
325 bld
.copy(Definition(dst
), vec_src
);
329 unsigned component_size
= dst
.size() / num_components
;
330 std::array
<Temp
,4> elems
;
332 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, num_components
, 1)};
333 vec
->definitions
[0] = Definition(dst
);
335 for (unsigned i
= 0; i
< num_components
; i
++) {
336 if (mask
& (1 << i
)) {
337 Temp src
= emit_extract_vector(ctx
, vec_src
, k
++, RegClass(vec_src
.type(), component_size
));
338 if (dst
.type() == RegType::sgpr
)
339 src
= bld
.as_uniform(src
);
340 vec
->operands
[i
] = Operand(src
);
342 vec
->operands
[i
] = Operand(0u);
344 elems
[i
] = vec
->operands
[i
].getTemp();
346 ctx
->block
->instructions
.emplace_back(std::move(vec
));
347 ctx
->allocated_vec
.emplace(dst
.id(), elems
);
350 Temp
bool_to_vector_condition(isel_context
*ctx
, Temp val
, Temp dst
= Temp(0, s2
))
352 Builder
bld(ctx
->program
, ctx
->block
);
354 dst
= bld
.tmp(bld
.lm
);
356 assert(val
.regClass() == s1
);
357 assert(dst
.regClass() == bld
.lm
);
359 return bld
.sop2(Builder::s_cselect
, bld
.hint_vcc(Definition(dst
)), Operand((uint32_t) -1), Operand(0u), bld
.scc(val
));
362 Temp
bool_to_scalar_condition(isel_context
*ctx
, Temp val
, Temp dst
= Temp(0, s1
))
364 Builder
bld(ctx
->program
, ctx
->block
);
368 assert(val
.regClass() == bld
.lm
);
369 assert(dst
.regClass() == s1
);
371 /* if we're currently in WQM mode, ensure that the source is also computed in WQM */
372 Temp tmp
= bld
.tmp(s1
);
373 bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.scc(Definition(tmp
)), val
, Operand(exec
, bld
.lm
));
374 return emit_wqm(ctx
, tmp
, dst
);
377 Temp
get_alu_src(struct isel_context
*ctx
, nir_alu_src src
, unsigned size
=1)
379 if (src
.src
.ssa
->num_components
== 1 && src
.swizzle
[0] == 0 && size
== 1)
380 return get_ssa_temp(ctx
, src
.src
.ssa
);
382 if (src
.src
.ssa
->num_components
== size
) {
383 bool identity_swizzle
= true;
384 for (unsigned i
= 0; identity_swizzle
&& i
< size
; i
++) {
385 if (src
.swizzle
[i
] != i
)
386 identity_swizzle
= false;
388 if (identity_swizzle
)
389 return get_ssa_temp(ctx
, src
.src
.ssa
);
392 Temp vec
= get_ssa_temp(ctx
, src
.src
.ssa
);
393 unsigned elem_size
= vec
.size() / src
.src
.ssa
->num_components
;
394 assert(elem_size
> 0); /* TODO: 8 and 16-bit vectors not supported */
395 assert(vec
.size() % elem_size
== 0);
397 RegClass elem_rc
= RegClass(vec
.type(), elem_size
);
399 return emit_extract_vector(ctx
, vec
, src
.swizzle
[0], elem_rc
);
402 std::array
<Temp
,4> elems
;
403 aco_ptr
<Pseudo_instruction
> vec_instr
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, size
, 1)};
404 for (unsigned i
= 0; i
< size
; ++i
) {
405 elems
[i
] = emit_extract_vector(ctx
, vec
, src
.swizzle
[i
], elem_rc
);
406 vec_instr
->operands
[i
] = Operand
{elems
[i
]};
408 Temp dst
{ctx
->program
->allocateId(), RegClass(vec
.type(), elem_size
* size
)};
409 vec_instr
->definitions
[0] = Definition(dst
);
410 ctx
->block
->instructions
.emplace_back(std::move(vec_instr
));
411 ctx
->allocated_vec
.emplace(dst
.id(), elems
);
416 Temp
convert_pointer_to_64_bit(isel_context
*ctx
, Temp ptr
)
420 Builder
bld(ctx
->program
, ctx
->block
);
421 if (ptr
.type() == RegType::vgpr
)
422 ptr
= bld
.vop1(aco_opcode::v_readfirstlane_b32
, bld
.def(s1
), ptr
);
423 return bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
),
424 ptr
, Operand((unsigned)ctx
->options
->address32_hi
));
427 void emit_sop2_instruction(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op
, Temp dst
, bool writes_scc
)
429 aco_ptr
<SOP2_instruction
> sop2
{create_instruction
<SOP2_instruction
>(op
, Format::SOP2
, 2, writes_scc
? 2 : 1)};
430 sop2
->operands
[0] = Operand(get_alu_src(ctx
, instr
->src
[0]));
431 sop2
->operands
[1] = Operand(get_alu_src(ctx
, instr
->src
[1]));
432 sop2
->definitions
[0] = Definition(dst
);
434 sop2
->definitions
[1] = Definition(ctx
->program
->allocateId(), scc
, s1
);
435 ctx
->block
->instructions
.emplace_back(std::move(sop2
));
438 void emit_vop2_instruction(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op
, Temp dst
,
439 bool commutative
, bool swap_srcs
=false, bool flush_denorms
= false)
441 Builder
bld(ctx
->program
, ctx
->block
);
442 Temp src0
= get_alu_src(ctx
, instr
->src
[swap_srcs
? 1 : 0]);
443 Temp src1
= get_alu_src(ctx
, instr
->src
[swap_srcs
? 0 : 1]);
444 if (src1
.type() == RegType::sgpr
) {
445 if (commutative
&& src0
.type() == RegType::vgpr
) {
449 } else if (src0
.type() == RegType::vgpr
&&
450 op
!= aco_opcode::v_madmk_f32
&&
451 op
!= aco_opcode::v_madak_f32
&&
452 op
!= aco_opcode::v_madmk_f16
&&
453 op
!= aco_opcode::v_madak_f16
) {
454 /* If the instruction is not commutative, we emit a VOP3A instruction */
455 bld
.vop2_e64(op
, Definition(dst
), src0
, src1
);
458 src1
= bld
.copy(bld
.def(RegType::vgpr
, src1
.size()), src1
); //TODO: as_vgpr
462 if (flush_denorms
&& ctx
->program
->chip_class
< GFX9
) {
463 assert(dst
.size() == 1);
464 Temp tmp
= bld
.vop2(op
, bld
.def(v1
), src0
, src1
);
465 bld
.vop2(aco_opcode::v_mul_f32
, Definition(dst
), Operand(0x3f800000u
), tmp
);
467 bld
.vop2(op
, Definition(dst
), src0
, src1
);
471 void emit_vop3a_instruction(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op
, Temp dst
,
472 bool flush_denorms
= false)
474 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
475 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
476 Temp src2
= get_alu_src(ctx
, instr
->src
[2]);
478 /* ensure that the instruction has at most 1 sgpr operand
479 * The optimizer will inline constants for us */
480 if (src0
.type() == RegType::sgpr
&& src1
.type() == RegType::sgpr
)
481 src0
= as_vgpr(ctx
, src0
);
482 if (src1
.type() == RegType::sgpr
&& src2
.type() == RegType::sgpr
)
483 src1
= as_vgpr(ctx
, src1
);
484 if (src2
.type() == RegType::sgpr
&& src0
.type() == RegType::sgpr
)
485 src2
= as_vgpr(ctx
, src2
);
487 Builder
bld(ctx
->program
, ctx
->block
);
488 if (flush_denorms
&& ctx
->program
->chip_class
< GFX9
) {
489 assert(dst
.size() == 1);
490 Temp tmp
= bld
.vop3(op
, Definition(dst
), src0
, src1
, src2
);
491 bld
.vop2(aco_opcode::v_mul_f32
, Definition(dst
), Operand(0x3f800000u
), tmp
);
493 bld
.vop3(op
, Definition(dst
), src0
, src1
, src2
);
497 void emit_vop1_instruction(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op
, Temp dst
)
499 Builder
bld(ctx
->program
, ctx
->block
);
500 bld
.vop1(op
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
503 void emit_vopc_instruction(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op
, Temp dst
)
505 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
506 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
507 assert(src0
.size() == src1
.size());
509 aco_ptr
<Instruction
> vopc
;
510 if (src1
.type() == RegType::sgpr
) {
511 if (src0
.type() == RegType::vgpr
) {
512 /* to swap the operands, we might also have to change the opcode */
514 case aco_opcode::v_cmp_lt_f32
:
515 op
= aco_opcode::v_cmp_gt_f32
;
517 case aco_opcode::v_cmp_ge_f32
:
518 op
= aco_opcode::v_cmp_le_f32
;
520 case aco_opcode::v_cmp_lt_i32
:
521 op
= aco_opcode::v_cmp_gt_i32
;
523 case aco_opcode::v_cmp_ge_i32
:
524 op
= aco_opcode::v_cmp_le_i32
;
526 case aco_opcode::v_cmp_lt_u32
:
527 op
= aco_opcode::v_cmp_gt_u32
;
529 case aco_opcode::v_cmp_ge_u32
:
530 op
= aco_opcode::v_cmp_le_u32
;
532 case aco_opcode::v_cmp_lt_f64
:
533 op
= aco_opcode::v_cmp_gt_f64
;
535 case aco_opcode::v_cmp_ge_f64
:
536 op
= aco_opcode::v_cmp_le_f64
;
538 case aco_opcode::v_cmp_lt_i64
:
539 op
= aco_opcode::v_cmp_gt_i64
;
541 case aco_opcode::v_cmp_ge_i64
:
542 op
= aco_opcode::v_cmp_le_i64
;
544 case aco_opcode::v_cmp_lt_u64
:
545 op
= aco_opcode::v_cmp_gt_u64
;
547 case aco_opcode::v_cmp_ge_u64
:
548 op
= aco_opcode::v_cmp_le_u64
;
550 default: /* eq and ne are commutative */
557 src1
= as_vgpr(ctx
, src1
);
561 Builder
bld(ctx
->program
, ctx
->block
);
562 bld
.vopc(op
, bld
.hint_vcc(Definition(dst
)), src0
, src1
);
565 void emit_sopc_instruction(isel_context
*ctx
, nir_alu_instr
*instr
, aco_opcode op
, Temp dst
)
567 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
568 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
569 Builder
bld(ctx
->program
, ctx
->block
);
571 assert(dst
.regClass() == bld
.lm
);
572 assert(src0
.type() == RegType::sgpr
);
573 assert(src1
.type() == RegType::sgpr
);
574 assert(src0
.regClass() == src1
.regClass());
576 /* Emit the SALU comparison instruction */
577 Temp cmp
= bld
.sopc(op
, bld
.scc(bld
.def(s1
)), src0
, src1
);
578 /* Turn the result into a per-lane bool */
579 bool_to_vector_condition(ctx
, cmp
, dst
);
582 void emit_comparison(isel_context
*ctx
, nir_alu_instr
*instr
, Temp dst
,
583 aco_opcode v32_op
, aco_opcode v64_op
, aco_opcode s32_op
= aco_opcode::num_opcodes
, aco_opcode s64_op
= aco_opcode::num_opcodes
)
585 aco_opcode s_op
= instr
->src
[0].src
.ssa
->bit_size
== 64 ? s64_op
: s32_op
;
586 aco_opcode v_op
= instr
->src
[0].src
.ssa
->bit_size
== 64 ? v64_op
: v32_op
;
587 bool divergent_vals
= ctx
->divergent_vals
[instr
->dest
.dest
.ssa
.index
];
588 bool use_valu
= s_op
== aco_opcode::num_opcodes
||
590 ctx
->allocated
[instr
->src
[0].src
.ssa
->index
].type() == RegType::vgpr
||
591 ctx
->allocated
[instr
->src
[1].src
.ssa
->index
].type() == RegType::vgpr
;
592 aco_opcode op
= use_valu
? v_op
: s_op
;
593 assert(op
!= aco_opcode::num_opcodes
);
596 emit_vopc_instruction(ctx
, instr
, op
, dst
);
598 emit_sopc_instruction(ctx
, instr
, op
, dst
);
601 void emit_boolean_logic(isel_context
*ctx
, nir_alu_instr
*instr
, Builder::WaveSpecificOpcode op
, Temp dst
)
603 Builder
bld(ctx
->program
, ctx
->block
);
604 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
605 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
607 assert(dst
.regClass() == bld
.lm
);
608 assert(src0
.regClass() == bld
.lm
);
609 assert(src1
.regClass() == bld
.lm
);
611 bld
.sop2(op
, Definition(dst
), bld
.def(s1
, scc
), src0
, src1
);
614 void emit_bcsel(isel_context
*ctx
, nir_alu_instr
*instr
, Temp dst
)
616 Builder
bld(ctx
->program
, ctx
->block
);
617 Temp cond
= get_alu_src(ctx
, instr
->src
[0]);
618 Temp then
= get_alu_src(ctx
, instr
->src
[1]);
619 Temp els
= get_alu_src(ctx
, instr
->src
[2]);
621 assert(cond
.regClass() == bld
.lm
);
623 if (dst
.type() == RegType::vgpr
) {
624 aco_ptr
<Instruction
> bcsel
;
625 if (dst
.size() == 1) {
626 then
= as_vgpr(ctx
, then
);
627 els
= as_vgpr(ctx
, els
);
629 bld
.vop2(aco_opcode::v_cndmask_b32
, Definition(dst
), els
, then
, cond
);
630 } else if (dst
.size() == 2) {
631 Temp then_lo
= bld
.tmp(v1
), then_hi
= bld
.tmp(v1
);
632 bld
.pseudo(aco_opcode::p_split_vector
, Definition(then_lo
), Definition(then_hi
), then
);
633 Temp else_lo
= bld
.tmp(v1
), else_hi
= bld
.tmp(v1
);
634 bld
.pseudo(aco_opcode::p_split_vector
, Definition(else_lo
), Definition(else_hi
), els
);
636 Temp dst0
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), else_lo
, then_lo
, cond
);
637 Temp dst1
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), else_hi
, then_hi
, cond
);
639 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), dst0
, dst1
);
641 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
642 nir_print_instr(&instr
->instr
, stderr
);
643 fprintf(stderr
, "\n");
648 if (instr
->dest
.dest
.ssa
.bit_size
== 1) {
649 assert(dst
.regClass() == bld
.lm
);
650 assert(then
.regClass() == bld
.lm
);
651 assert(els
.regClass() == bld
.lm
);
654 if (!ctx
->divergent_vals
[instr
->src
[0].src
.ssa
->index
]) { /* uniform condition and values in sgpr */
655 if (dst
.regClass() == s1
|| dst
.regClass() == s2
) {
656 assert((then
.regClass() == s1
|| then
.regClass() == s2
) && els
.regClass() == then
.regClass());
657 assert(dst
.size() == then
.size());
658 aco_opcode op
= dst
.regClass() == s1
? aco_opcode::s_cselect_b32
: aco_opcode::s_cselect_b64
;
659 bld
.sop2(op
, Definition(dst
), then
, els
, bld
.scc(bool_to_scalar_condition(ctx
, cond
)));
661 fprintf(stderr
, "Unimplemented uniform bcsel bit size: ");
662 nir_print_instr(&instr
->instr
, stderr
);
663 fprintf(stderr
, "\n");
668 /* divergent boolean bcsel
669 * this implements bcsel on bools: dst = s0 ? s1 : s2
670 * are going to be: dst = (s0 & s1) | (~s0 & s2) */
671 assert(instr
->dest
.dest
.ssa
.bit_size
== 1);
673 if (cond
.id() != then
.id())
674 then
= bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), cond
, then
);
676 if (cond
.id() == els
.id())
677 bld
.sop1(Builder::s_mov
, Definition(dst
), then
);
679 bld
.sop2(Builder::s_or
, Definition(dst
), bld
.def(s1
, scc
), then
,
680 bld
.sop2(Builder::s_andn2
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), els
, cond
));
683 void emit_scaled_op(isel_context
*ctx
, Builder
& bld
, Definition dst
, Temp val
,
684 aco_opcode op
, uint32_t undo
)
686 /* multiply by 16777216 to handle denormals */
687 Temp is_denormal
= bld
.vopc(aco_opcode::v_cmp_class_f32
, bld
.hint_vcc(bld
.def(bld
.lm
)),
688 as_vgpr(ctx
, val
), bld
.copy(bld
.def(v1
), Operand((1u << 7) | (1u << 4))));
689 Temp scaled
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), Operand(0x4b800000u
), val
);
690 scaled
= bld
.vop1(op
, bld
.def(v1
), scaled
);
691 scaled
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), Operand(undo
), scaled
);
693 Temp not_scaled
= bld
.vop1(op
, bld
.def(v1
), val
);
695 bld
.vop2(aco_opcode::v_cndmask_b32
, dst
, not_scaled
, scaled
, is_denormal
);
698 void emit_rcp(isel_context
*ctx
, Builder
& bld
, Definition dst
, Temp val
)
700 if (ctx
->block
->fp_mode
.denorm32
== 0) {
701 bld
.vop1(aco_opcode::v_rcp_f32
, dst
, val
);
705 emit_scaled_op(ctx
, bld
, dst
, val
, aco_opcode::v_rcp_f32
, 0x4b800000u
);
708 void emit_rsq(isel_context
*ctx
, Builder
& bld
, Definition dst
, Temp val
)
710 if (ctx
->block
->fp_mode
.denorm32
== 0) {
711 bld
.vop1(aco_opcode::v_rsq_f32
, dst
, val
);
715 emit_scaled_op(ctx
, bld
, dst
, val
, aco_opcode::v_rsq_f32
, 0x45800000u
);
718 void emit_sqrt(isel_context
*ctx
, Builder
& bld
, Definition dst
, Temp val
)
720 if (ctx
->block
->fp_mode
.denorm32
== 0) {
721 bld
.vop1(aco_opcode::v_sqrt_f32
, dst
, val
);
725 emit_scaled_op(ctx
, bld
, dst
, val
, aco_opcode::v_sqrt_f32
, 0x39800000u
);
728 void emit_log2(isel_context
*ctx
, Builder
& bld
, Definition dst
, Temp val
)
730 if (ctx
->block
->fp_mode
.denorm32
== 0) {
731 bld
.vop1(aco_opcode::v_log_f32
, dst
, val
);
735 emit_scaled_op(ctx
, bld
, dst
, val
, aco_opcode::v_log_f32
, 0xc1c00000u
);
738 void visit_alu_instr(isel_context
*ctx
, nir_alu_instr
*instr
)
740 if (!instr
->dest
.dest
.is_ssa
) {
741 fprintf(stderr
, "nir alu dst not in ssa: ");
742 nir_print_instr(&instr
->instr
, stderr
);
743 fprintf(stderr
, "\n");
746 Builder
bld(ctx
->program
, ctx
->block
);
747 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.dest
.ssa
);
752 std::array
<Temp
,4> elems
;
753 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, instr
->dest
.dest
.ssa
.num_components
, 1)};
754 for (unsigned i
= 0; i
< instr
->dest
.dest
.ssa
.num_components
; ++i
) {
755 elems
[i
] = get_alu_src(ctx
, instr
->src
[i
]);
756 vec
->operands
[i
] = Operand
{elems
[i
]};
758 vec
->definitions
[0] = Definition(dst
);
759 ctx
->block
->instructions
.emplace_back(std::move(vec
));
760 ctx
->allocated_vec
.emplace(dst
.id(), elems
);
764 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
765 aco_ptr
<Instruction
> mov
;
766 if (dst
.type() == RegType::sgpr
) {
767 if (src
.type() == RegType::vgpr
)
768 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), src
);
769 else if (src
.regClass() == s1
)
770 bld
.sop1(aco_opcode::s_mov_b32
, Definition(dst
), src
);
771 else if (src
.regClass() == s2
)
772 bld
.sop1(aco_opcode::s_mov_b64
, Definition(dst
), src
);
774 unreachable("wrong src register class for nir_op_imov");
775 } else if (dst
.regClass() == v1
) {
776 bld
.vop1(aco_opcode::v_mov_b32
, Definition(dst
), src
);
777 } else if (dst
.regClass() == v2
) {
778 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), src
);
780 nir_print_instr(&instr
->instr
, stderr
);
781 unreachable("Should have been lowered to scalar.");
786 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
787 if (instr
->dest
.dest
.ssa
.bit_size
== 1) {
788 assert(src
.regClass() == bld
.lm
);
789 assert(dst
.regClass() == bld
.lm
);
790 bld
.sop2(Builder::s_andn2
, Definition(dst
), bld
.def(s1
, scc
), Operand(exec
, bld
.lm
), src
);
791 } else if (dst
.regClass() == v1
) {
792 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_not_b32
, dst
);
793 } else if (dst
.type() == RegType::sgpr
) {
794 aco_opcode opcode
= dst
.size() == 1 ? aco_opcode::s_not_b32
: aco_opcode::s_not_b64
;
795 bld
.sop1(opcode
, Definition(dst
), bld
.def(s1
, scc
), src
);
797 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
798 nir_print_instr(&instr
->instr
, stderr
);
799 fprintf(stderr
, "\n");
804 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
805 if (dst
.regClass() == v1
) {
806 bld
.vsub32(Definition(dst
), Operand(0u), Operand(src
));
807 } else if (dst
.regClass() == s1
) {
808 bld
.sop2(aco_opcode::s_mul_i32
, Definition(dst
), Operand((uint32_t) -1), src
);
809 } else if (dst
.size() == 2) {
810 Temp src0
= bld
.tmp(dst
.type(), 1);
811 Temp src1
= bld
.tmp(dst
.type(), 1);
812 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src0
), Definition(src1
), src
);
814 if (dst
.regClass() == s2
) {
815 Temp carry
= bld
.tmp(s1
);
816 Temp dst0
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.scc(Definition(carry
)), Operand(0u), src0
);
817 Temp dst1
= bld
.sop2(aco_opcode::s_subb_u32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0u), src1
, carry
);
818 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), dst0
, dst1
);
820 Temp lower
= bld
.tmp(v1
);
821 Temp borrow
= bld
.vsub32(Definition(lower
), Operand(0u), src0
, true).def(1).getTemp();
822 Temp upper
= bld
.vsub32(bld
.def(v1
), Operand(0u), src1
, false, borrow
);
823 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
826 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
827 nir_print_instr(&instr
->instr
, stderr
);
828 fprintf(stderr
, "\n");
833 if (dst
.regClass() == s1
) {
834 bld
.sop1(aco_opcode::s_abs_i32
, Definition(dst
), bld
.def(s1
, scc
), get_alu_src(ctx
, instr
->src
[0]));
835 } else if (dst
.regClass() == v1
) {
836 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
837 bld
.vop2(aco_opcode::v_max_i32
, Definition(dst
), src
, bld
.vsub32(bld
.def(v1
), Operand(0u), src
));
839 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
840 nir_print_instr(&instr
->instr
, stderr
);
841 fprintf(stderr
, "\n");
846 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
847 if (dst
.regClass() == s1
) {
848 Temp tmp
= bld
.sop2(aco_opcode::s_ashr_i32
, bld
.def(s1
), bld
.def(s1
, scc
), src
, Operand(31u));
849 Temp gtz
= bld
.sopc(aco_opcode::s_cmp_gt_i32
, bld
.def(s1
, scc
), src
, Operand(0u));
850 bld
.sop2(aco_opcode::s_add_i32
, Definition(dst
), bld
.def(s1
, scc
), gtz
, tmp
);
851 } else if (dst
.regClass() == s2
) {
852 Temp neg
= bld
.sop2(aco_opcode::s_ashr_i64
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(63u));
854 if (ctx
->program
->chip_class
>= GFX8
)
855 neqz
= bld
.sopc(aco_opcode::s_cmp_lg_u64
, bld
.def(s1
, scc
), src
, Operand(0u));
857 neqz
= bld
.sop2(aco_opcode::s_or_b64
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(0u)).def(1).getTemp();
858 /* SCC gets zero-extended to 64 bit */
859 bld
.sop2(aco_opcode::s_or_b64
, Definition(dst
), bld
.def(s1
, scc
), neg
, bld
.scc(neqz
));
860 } else if (dst
.regClass() == v1
) {
861 Temp tmp
= bld
.vop2(aco_opcode::v_ashrrev_i32
, bld
.def(v1
), Operand(31u), src
);
862 Temp gtz
= bld
.vopc(aco_opcode::v_cmp_ge_i32
, bld
.hint_vcc(bld
.def(bld
.lm
)), Operand(0u), src
);
863 bld
.vop2(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(1u), tmp
, gtz
);
864 } else if (dst
.regClass() == v2
) {
865 Temp upper
= emit_extract_vector(ctx
, src
, 1, v1
);
866 Temp neg
= bld
.vop2(aco_opcode::v_ashrrev_i32
, bld
.def(v1
), Operand(31u), upper
);
867 Temp gtz
= bld
.vopc(aco_opcode::v_cmp_ge_i64
, bld
.hint_vcc(bld
.def(bld
.lm
)), Operand(0u), src
);
868 Temp lower
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(1u), neg
, gtz
);
869 upper
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0u), neg
, gtz
);
870 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
872 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
873 nir_print_instr(&instr
->instr
, stderr
);
874 fprintf(stderr
, "\n");
879 if (dst
.regClass() == v1
) {
880 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_max_i32
, dst
, true);
881 } else if (dst
.regClass() == s1
) {
882 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_max_i32
, 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_max_u32
, dst
, true);
893 } else if (dst
.regClass() == s1
) {
894 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_max_u32
, dst
, true);
896 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
897 nir_print_instr(&instr
->instr
, stderr
);
898 fprintf(stderr
, "\n");
903 if (dst
.regClass() == v1
) {
904 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_min_i32
, dst
, true);
905 } else if (dst
.regClass() == s1
) {
906 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_min_i32
, dst
, true);
908 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
909 nir_print_instr(&instr
->instr
, stderr
);
910 fprintf(stderr
, "\n");
915 if (dst
.regClass() == v1
) {
916 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_min_u32
, dst
, true);
917 } else if (dst
.regClass() == s1
) {
918 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_min_u32
, dst
, true);
920 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
921 nir_print_instr(&instr
->instr
, stderr
);
922 fprintf(stderr
, "\n");
927 if (instr
->dest
.dest
.ssa
.bit_size
== 1) {
928 emit_boolean_logic(ctx
, instr
, Builder::s_or
, dst
);
929 } else if (dst
.regClass() == v1
) {
930 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_or_b32
, dst
, true);
931 } else if (dst
.regClass() == s1
) {
932 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_or_b32
, dst
, true);
933 } else if (dst
.regClass() == s2
) {
934 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_or_b64
, dst
, true);
936 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
937 nir_print_instr(&instr
->instr
, stderr
);
938 fprintf(stderr
, "\n");
943 if (instr
->dest
.dest
.ssa
.bit_size
== 1) {
944 emit_boolean_logic(ctx
, instr
, Builder::s_and
, dst
);
945 } else if (dst
.regClass() == v1
) {
946 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_and_b32
, dst
, true);
947 } else if (dst
.regClass() == s1
) {
948 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_and_b32
, dst
, true);
949 } else if (dst
.regClass() == s2
) {
950 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_and_b64
, dst
, true);
952 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
953 nir_print_instr(&instr
->instr
, stderr
);
954 fprintf(stderr
, "\n");
959 if (instr
->dest
.dest
.ssa
.bit_size
== 1) {
960 emit_boolean_logic(ctx
, instr
, Builder::s_xor
, dst
);
961 } else if (dst
.regClass() == v1
) {
962 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_xor_b32
, dst
, true);
963 } else if (dst
.regClass() == s1
) {
964 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_xor_b32
, dst
, true);
965 } else if (dst
.regClass() == s2
) {
966 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_xor_b64
, dst
, true);
968 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
969 nir_print_instr(&instr
->instr
, stderr
);
970 fprintf(stderr
, "\n");
975 if (dst
.regClass() == v1
) {
976 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_lshrrev_b32
, dst
, false, true);
977 } else if (dst
.regClass() == v2
&& ctx
->program
->chip_class
>= GFX8
) {
978 bld
.vop3(aco_opcode::v_lshrrev_b64
, Definition(dst
),
979 get_alu_src(ctx
, instr
->src
[1]), get_alu_src(ctx
, instr
->src
[0]));
980 } else if (dst
.regClass() == v2
) {
981 bld
.vop3(aco_opcode::v_lshr_b64
, Definition(dst
),
982 get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
983 } else if (dst
.regClass() == s2
) {
984 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_lshr_b64
, dst
, true);
985 } else if (dst
.regClass() == s1
) {
986 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_lshr_b32
, dst
, true);
988 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
989 nir_print_instr(&instr
->instr
, stderr
);
990 fprintf(stderr
, "\n");
995 if (dst
.regClass() == v1
) {
996 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_lshlrev_b32
, dst
, false, true);
997 } else if (dst
.regClass() == v2
&& ctx
->program
->chip_class
>= GFX8
) {
998 bld
.vop3(aco_opcode::v_lshlrev_b64
, Definition(dst
),
999 get_alu_src(ctx
, instr
->src
[1]), get_alu_src(ctx
, instr
->src
[0]));
1000 } else if (dst
.regClass() == v2
) {
1001 bld
.vop3(aco_opcode::v_lshl_b64
, Definition(dst
),
1002 get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
1003 } else if (dst
.regClass() == s1
) {
1004 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_lshl_b32
, dst
, true);
1005 } else if (dst
.regClass() == s2
) {
1006 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_lshl_b64
, dst
, true);
1008 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1009 nir_print_instr(&instr
->instr
, stderr
);
1010 fprintf(stderr
, "\n");
1015 if (dst
.regClass() == v1
) {
1016 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_ashrrev_i32
, dst
, false, true);
1017 } else if (dst
.regClass() == v2
&& ctx
->program
->chip_class
>= GFX8
) {
1018 bld
.vop3(aco_opcode::v_ashrrev_i64
, Definition(dst
),
1019 get_alu_src(ctx
, instr
->src
[1]), get_alu_src(ctx
, instr
->src
[0]));
1020 } else if (dst
.regClass() == v2
) {
1021 bld
.vop3(aco_opcode::v_ashr_i64
, Definition(dst
),
1022 get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
1023 } else if (dst
.regClass() == s1
) {
1024 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_ashr_i32
, dst
, true);
1025 } else if (dst
.regClass() == s2
) {
1026 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_ashr_i64
, dst
, true);
1028 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1029 nir_print_instr(&instr
->instr
, stderr
);
1030 fprintf(stderr
, "\n");
1034 case nir_op_find_lsb
: {
1035 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1036 if (src
.regClass() == s1
) {
1037 bld
.sop1(aco_opcode::s_ff1_i32_b32
, Definition(dst
), src
);
1038 } else if (src
.regClass() == v1
) {
1039 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_ffbl_b32
, dst
);
1040 } else if (src
.regClass() == s2
) {
1041 bld
.sop1(aco_opcode::s_ff1_i32_b64
, Definition(dst
), src
);
1043 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1044 nir_print_instr(&instr
->instr
, stderr
);
1045 fprintf(stderr
, "\n");
1049 case nir_op_ufind_msb
:
1050 case nir_op_ifind_msb
: {
1051 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1052 if (src
.regClass() == s1
|| src
.regClass() == s2
) {
1053 aco_opcode op
= src
.regClass() == s2
?
1054 (instr
->op
== nir_op_ufind_msb
? aco_opcode::s_flbit_i32_b64
: aco_opcode::s_flbit_i32_i64
) :
1055 (instr
->op
== nir_op_ufind_msb
? aco_opcode::s_flbit_i32_b32
: aco_opcode::s_flbit_i32
);
1056 Temp msb_rev
= bld
.sop1(op
, bld
.def(s1
), src
);
1058 Builder::Result sub
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.def(s1
, scc
),
1059 Operand(src
.size() * 32u - 1u), msb_rev
);
1060 Temp msb
= sub
.def(0).getTemp();
1061 Temp carry
= sub
.def(1).getTemp();
1063 bld
.sop2(aco_opcode::s_cselect_b32
, Definition(dst
), Operand((uint32_t)-1), msb
, carry
);
1064 } else if (src
.regClass() == v1
) {
1065 aco_opcode op
= instr
->op
== nir_op_ufind_msb
? aco_opcode::v_ffbh_u32
: aco_opcode::v_ffbh_i32
;
1066 Temp msb_rev
= bld
.tmp(v1
);
1067 emit_vop1_instruction(ctx
, instr
, op
, msb_rev
);
1068 Temp msb
= bld
.tmp(v1
);
1069 Temp carry
= bld
.vsub32(Definition(msb
), Operand(31u), Operand(msb_rev
), true).def(1).getTemp();
1070 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), msb
, Operand((uint32_t)-1), carry
);
1072 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1073 nir_print_instr(&instr
->instr
, stderr
);
1074 fprintf(stderr
, "\n");
1078 case nir_op_bitfield_reverse
: {
1079 if (dst
.regClass() == s1
) {
1080 bld
.sop1(aco_opcode::s_brev_b32
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
1081 } else if (dst
.regClass() == v1
) {
1082 bld
.vop1(aco_opcode::v_bfrev_b32
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
1084 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1085 nir_print_instr(&instr
->instr
, stderr
);
1086 fprintf(stderr
, "\n");
1091 if (dst
.regClass() == s1
) {
1092 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_add_u32
, dst
, true);
1096 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
1097 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
1098 if (dst
.regClass() == v1
) {
1099 bld
.vadd32(Definition(dst
), Operand(src0
), Operand(src1
));
1103 assert(src0
.size() == 2 && src1
.size() == 2);
1104 Temp src00
= bld
.tmp(src0
.type(), 1);
1105 Temp src01
= bld
.tmp(dst
.type(), 1);
1106 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src00
), Definition(src01
), src0
);
1107 Temp src10
= bld
.tmp(src1
.type(), 1);
1108 Temp src11
= bld
.tmp(dst
.type(), 1);
1109 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src10
), Definition(src11
), src1
);
1111 if (dst
.regClass() == s2
) {
1112 Temp carry
= bld
.tmp(s1
);
1113 Temp dst0
= bld
.sop2(aco_opcode::s_add_u32
, bld
.def(s1
), bld
.scc(Definition(carry
)), src00
, src10
);
1114 Temp dst1
= bld
.sop2(aco_opcode::s_addc_u32
, bld
.def(s1
), bld
.def(s1
, scc
), src01
, src11
, bld
.scc(carry
));
1115 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), dst0
, dst1
);
1116 } else if (dst
.regClass() == v2
) {
1117 Temp dst0
= bld
.tmp(v1
);
1118 Temp carry
= bld
.vadd32(Definition(dst0
), src00
, src10
, true).def(1).getTemp();
1119 Temp dst1
= bld
.vadd32(bld
.def(v1
), src01
, src11
, false, carry
);
1120 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), dst0
, dst1
);
1122 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1123 nir_print_instr(&instr
->instr
, stderr
);
1124 fprintf(stderr
, "\n");
1128 case nir_op_uadd_sat
: {
1129 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
1130 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
1131 if (dst
.regClass() == s1
) {
1132 Temp tmp
= bld
.tmp(s1
), carry
= bld
.tmp(s1
);
1133 bld
.sop2(aco_opcode::s_add_u32
, Definition(tmp
), bld
.scc(Definition(carry
)),
1135 bld
.sop2(aco_opcode::s_cselect_b32
, Definition(dst
), Operand((uint32_t) -1), tmp
, bld
.scc(carry
));
1136 } else if (dst
.regClass() == v1
) {
1137 if (ctx
->options
->chip_class
>= GFX9
) {
1138 aco_ptr
<VOP3A_instruction
> add
{create_instruction
<VOP3A_instruction
>(aco_opcode::v_add_u32
, asVOP3(Format::VOP2
), 2, 1)};
1139 add
->operands
[0] = Operand(src0
);
1140 add
->operands
[1] = Operand(src1
);
1141 add
->definitions
[0] = Definition(dst
);
1143 ctx
->block
->instructions
.emplace_back(std::move(add
));
1145 if (src1
.regClass() != v1
)
1146 std::swap(src0
, src1
);
1147 assert(src1
.regClass() == v1
);
1148 Temp tmp
= bld
.tmp(v1
);
1149 Temp carry
= bld
.vadd32(Definition(tmp
), src0
, src1
, true).def(1).getTemp();
1150 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), tmp
, Operand((uint32_t) -1), carry
);
1153 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1154 nir_print_instr(&instr
->instr
, stderr
);
1155 fprintf(stderr
, "\n");
1159 case nir_op_uadd_carry
: {
1160 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
1161 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
1162 if (dst
.regClass() == s1
) {
1163 bld
.sop2(aco_opcode::s_add_u32
, bld
.def(s1
), bld
.scc(Definition(dst
)), src0
, src1
);
1166 if (dst
.regClass() == v1
) {
1167 Temp carry
= bld
.vadd32(bld
.def(v1
), src0
, src1
, true).def(1).getTemp();
1168 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0u), Operand(1u), carry
);
1172 Temp src00
= bld
.tmp(src0
.type(), 1);
1173 Temp src01
= bld
.tmp(dst
.type(), 1);
1174 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src00
), Definition(src01
), src0
);
1175 Temp src10
= bld
.tmp(src1
.type(), 1);
1176 Temp src11
= bld
.tmp(dst
.type(), 1);
1177 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src10
), Definition(src11
), src1
);
1178 if (dst
.regClass() == s2
) {
1179 Temp carry
= bld
.tmp(s1
);
1180 bld
.sop2(aco_opcode::s_add_u32
, bld
.def(s1
), bld
.scc(Definition(carry
)), src00
, src10
);
1181 carry
= bld
.sop2(aco_opcode::s_addc_u32
, bld
.def(s1
), bld
.scc(bld
.def(s1
)), src01
, src11
, bld
.scc(carry
)).def(1).getTemp();
1182 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), carry
, Operand(0u));
1183 } else if (dst
.regClass() == v2
) {
1184 Temp carry
= bld
.vadd32(bld
.def(v1
), src00
, src10
, true).def(1).getTemp();
1185 carry
= bld
.vadd32(bld
.def(v1
), src01
, src11
, true, carry
).def(1).getTemp();
1186 carry
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0u), Operand(1u), carry
);
1187 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), carry
, Operand(0u));
1189 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1190 nir_print_instr(&instr
->instr
, stderr
);
1191 fprintf(stderr
, "\n");
1196 if (dst
.regClass() == s1
) {
1197 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_sub_i32
, dst
, true);
1201 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
1202 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
1203 if (dst
.regClass() == v1
) {
1204 bld
.vsub32(Definition(dst
), src0
, src1
);
1208 Temp src00
= bld
.tmp(src0
.type(), 1);
1209 Temp src01
= bld
.tmp(dst
.type(), 1);
1210 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src00
), Definition(src01
), src0
);
1211 Temp src10
= bld
.tmp(src1
.type(), 1);
1212 Temp src11
= bld
.tmp(dst
.type(), 1);
1213 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src10
), Definition(src11
), src1
);
1214 if (dst
.regClass() == s2
) {
1215 Temp carry
= bld
.tmp(s1
);
1216 Temp dst0
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.scc(Definition(carry
)), src00
, src10
);
1217 Temp dst1
= bld
.sop2(aco_opcode::s_subb_u32
, bld
.def(s1
), bld
.def(s1
, scc
), src01
, src11
, carry
);
1218 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), dst0
, dst1
);
1219 } else if (dst
.regClass() == v2
) {
1220 Temp lower
= bld
.tmp(v1
);
1221 Temp borrow
= bld
.vsub32(Definition(lower
), src00
, src10
, true).def(1).getTemp();
1222 Temp upper
= bld
.vsub32(bld
.def(v1
), src01
, src11
, false, borrow
);
1223 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1225 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1226 nir_print_instr(&instr
->instr
, stderr
);
1227 fprintf(stderr
, "\n");
1231 case nir_op_usub_borrow
: {
1232 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
1233 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
1234 if (dst
.regClass() == s1
) {
1235 bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.scc(Definition(dst
)), src0
, src1
);
1237 } else if (dst
.regClass() == v1
) {
1238 Temp borrow
= bld
.vsub32(bld
.def(v1
), src0
, src1
, true).def(1).getTemp();
1239 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0u), Operand(1u), borrow
);
1243 Temp src00
= bld
.tmp(src0
.type(), 1);
1244 Temp src01
= bld
.tmp(dst
.type(), 1);
1245 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src00
), Definition(src01
), src0
);
1246 Temp src10
= bld
.tmp(src1
.type(), 1);
1247 Temp src11
= bld
.tmp(dst
.type(), 1);
1248 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src10
), Definition(src11
), src1
);
1249 if (dst
.regClass() == s2
) {
1250 Temp borrow
= bld
.tmp(s1
);
1251 bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.scc(Definition(borrow
)), src00
, src10
);
1252 borrow
= bld
.sop2(aco_opcode::s_subb_u32
, bld
.def(s1
), bld
.scc(bld
.def(s1
)), src01
, src11
, bld
.scc(borrow
)).def(1).getTemp();
1253 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), borrow
, Operand(0u));
1254 } else if (dst
.regClass() == v2
) {
1255 Temp borrow
= bld
.vsub32(bld
.def(v1
), src00
, src10
, true).def(1).getTemp();
1256 borrow
= bld
.vsub32(bld
.def(v1
), src01
, src11
, true, Operand(borrow
)).def(1).getTemp();
1257 borrow
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0u), Operand(1u), borrow
);
1258 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), borrow
, Operand(0u));
1260 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1261 nir_print_instr(&instr
->instr
, stderr
);
1262 fprintf(stderr
, "\n");
1267 if (dst
.regClass() == v1
) {
1268 bld
.vop3(aco_opcode::v_mul_lo_u32
, Definition(dst
),
1269 get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
1270 } else if (dst
.regClass() == s1
) {
1271 emit_sop2_instruction(ctx
, instr
, aco_opcode::s_mul_i32
, dst
, false);
1273 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1274 nir_print_instr(&instr
->instr
, stderr
);
1275 fprintf(stderr
, "\n");
1279 case nir_op_umul_high
: {
1280 if (dst
.regClass() == v1
) {
1281 bld
.vop3(aco_opcode::v_mul_hi_u32
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
1282 } else if (dst
.regClass() == s1
&& ctx
->options
->chip_class
>= GFX9
) {
1283 bld
.sop2(aco_opcode::s_mul_hi_u32
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
1284 } else if (dst
.regClass() == s1
) {
1285 Temp tmp
= bld
.vop3(aco_opcode::v_mul_hi_u32
, bld
.def(v1
), get_alu_src(ctx
, instr
->src
[0]),
1286 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1287 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), tmp
);
1289 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1290 nir_print_instr(&instr
->instr
, stderr
);
1291 fprintf(stderr
, "\n");
1295 case nir_op_imul_high
: {
1296 if (dst
.regClass() == v1
) {
1297 bld
.vop3(aco_opcode::v_mul_hi_i32
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
1298 } else if (dst
.regClass() == s1
&& ctx
->options
->chip_class
>= GFX9
) {
1299 bld
.sop2(aco_opcode::s_mul_hi_i32
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]), get_alu_src(ctx
, instr
->src
[1]));
1300 } else if (dst
.regClass() == s1
) {
1301 Temp tmp
= bld
.vop3(aco_opcode::v_mul_hi_i32
, bld
.def(v1
), get_alu_src(ctx
, instr
->src
[0]),
1302 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1303 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), tmp
);
1305 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1306 nir_print_instr(&instr
->instr
, stderr
);
1307 fprintf(stderr
, "\n");
1312 if (dst
.size() == 1) {
1313 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_mul_f32
, dst
, true);
1314 } else if (dst
.size() == 2) {
1315 bld
.vop3(aco_opcode::v_mul_f64
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]),
1316 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1318 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1319 nir_print_instr(&instr
->instr
, stderr
);
1320 fprintf(stderr
, "\n");
1325 if (dst
.size() == 1) {
1326 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_add_f32
, dst
, true);
1327 } else if (dst
.size() == 2) {
1328 bld
.vop3(aco_opcode::v_add_f64
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]),
1329 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1331 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1332 nir_print_instr(&instr
->instr
, stderr
);
1333 fprintf(stderr
, "\n");
1338 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
1339 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
1340 if (dst
.size() == 1) {
1341 if (src1
.type() == RegType::vgpr
|| src0
.type() != RegType::vgpr
)
1342 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_sub_f32
, dst
, false);
1344 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_subrev_f32
, dst
, true);
1345 } else if (dst
.size() == 2) {
1346 Instruction
* add
= bld
.vop3(aco_opcode::v_add_f64
, Definition(dst
),
1347 get_alu_src(ctx
, instr
->src
[0]),
1348 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1349 VOP3A_instruction
* sub
= static_cast<VOP3A_instruction
*>(add
);
1352 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1353 nir_print_instr(&instr
->instr
, stderr
);
1354 fprintf(stderr
, "\n");
1359 if (dst
.size() == 1) {
1360 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_max_f32
, dst
, true, false, ctx
->block
->fp_mode
.must_flush_denorms32
);
1361 } else if (dst
.size() == 2) {
1362 if (ctx
->block
->fp_mode
.must_flush_denorms16_64
&& ctx
->program
->chip_class
< GFX9
) {
1363 Temp tmp
= bld
.vop3(aco_opcode::v_max_f64
, bld
.def(v2
),
1364 get_alu_src(ctx
, instr
->src
[0]),
1365 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1366 bld
.vop3(aco_opcode::v_mul_f64
, Definition(dst
), Operand(0x3FF0000000000000lu
), tmp
);
1368 bld
.vop3(aco_opcode::v_max_f64
, Definition(dst
),
1369 get_alu_src(ctx
, instr
->src
[0]),
1370 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1373 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1374 nir_print_instr(&instr
->instr
, stderr
);
1375 fprintf(stderr
, "\n");
1380 if (dst
.size() == 1) {
1381 emit_vop2_instruction(ctx
, instr
, aco_opcode::v_min_f32
, dst
, true, false, ctx
->block
->fp_mode
.must_flush_denorms32
);
1382 } else if (dst
.size() == 2) {
1383 if (ctx
->block
->fp_mode
.must_flush_denorms16_64
&& ctx
->program
->chip_class
< GFX9
) {
1384 Temp tmp
= bld
.vop3(aco_opcode::v_min_f64
, bld
.def(v2
),
1385 get_alu_src(ctx
, instr
->src
[0]),
1386 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1387 bld
.vop3(aco_opcode::v_mul_f64
, Definition(dst
), Operand(0x3FF0000000000000lu
), tmp
);
1389 bld
.vop3(aco_opcode::v_min_f64
, Definition(dst
),
1390 get_alu_src(ctx
, instr
->src
[0]),
1391 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[1])));
1394 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1395 nir_print_instr(&instr
->instr
, stderr
);
1396 fprintf(stderr
, "\n");
1400 case nir_op_fmax3
: {
1401 if (dst
.size() == 1) {
1402 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_max3_f32
, dst
, ctx
->block
->fp_mode
.must_flush_denorms32
);
1404 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1405 nir_print_instr(&instr
->instr
, stderr
);
1406 fprintf(stderr
, "\n");
1410 case nir_op_fmin3
: {
1411 if (dst
.size() == 1) {
1412 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_min3_f32
, dst
, ctx
->block
->fp_mode
.must_flush_denorms32
);
1414 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1415 nir_print_instr(&instr
->instr
, stderr
);
1416 fprintf(stderr
, "\n");
1420 case nir_op_fmed3
: {
1421 if (dst
.size() == 1) {
1422 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_med3_f32
, dst
, ctx
->block
->fp_mode
.must_flush_denorms32
);
1424 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1425 nir_print_instr(&instr
->instr
, stderr
);
1426 fprintf(stderr
, "\n");
1430 case nir_op_umax3
: {
1431 if (dst
.size() == 1) {
1432 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_max3_u32
, dst
);
1434 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1435 nir_print_instr(&instr
->instr
, stderr
);
1436 fprintf(stderr
, "\n");
1440 case nir_op_umin3
: {
1441 if (dst
.size() == 1) {
1442 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_min3_u32
, dst
);
1444 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1445 nir_print_instr(&instr
->instr
, stderr
);
1446 fprintf(stderr
, "\n");
1450 case nir_op_umed3
: {
1451 if (dst
.size() == 1) {
1452 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_med3_u32
, dst
);
1454 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1455 nir_print_instr(&instr
->instr
, stderr
);
1456 fprintf(stderr
, "\n");
1460 case nir_op_imax3
: {
1461 if (dst
.size() == 1) {
1462 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_max3_i32
, dst
);
1464 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1465 nir_print_instr(&instr
->instr
, stderr
);
1466 fprintf(stderr
, "\n");
1470 case nir_op_imin3
: {
1471 if (dst
.size() == 1) {
1472 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_min3_i32
, dst
);
1474 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1475 nir_print_instr(&instr
->instr
, stderr
);
1476 fprintf(stderr
, "\n");
1480 case nir_op_imed3
: {
1481 if (dst
.size() == 1) {
1482 emit_vop3a_instruction(ctx
, instr
, aco_opcode::v_med3_i32
, dst
);
1484 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1485 nir_print_instr(&instr
->instr
, stderr
);
1486 fprintf(stderr
, "\n");
1490 case nir_op_cube_face_coord
: {
1491 Temp in
= get_alu_src(ctx
, instr
->src
[0], 3);
1492 Temp src
[3] = { emit_extract_vector(ctx
, in
, 0, v1
),
1493 emit_extract_vector(ctx
, in
, 1, v1
),
1494 emit_extract_vector(ctx
, in
, 2, v1
) };
1495 Temp ma
= bld
.vop3(aco_opcode::v_cubema_f32
, bld
.def(v1
), src
[0], src
[1], src
[2]);
1496 ma
= bld
.vop1(aco_opcode::v_rcp_f32
, bld
.def(v1
), ma
);
1497 Temp sc
= bld
.vop3(aco_opcode::v_cubesc_f32
, bld
.def(v1
), src
[0], src
[1], src
[2]);
1498 Temp tc
= bld
.vop3(aco_opcode::v_cubetc_f32
, bld
.def(v1
), src
[0], src
[1], src
[2]);
1499 sc
= bld
.vop2(aco_opcode::v_madak_f32
, bld
.def(v1
), sc
, ma
, Operand(0x3f000000u
/*0.5*/));
1500 tc
= bld
.vop2(aco_opcode::v_madak_f32
, bld
.def(v1
), tc
, ma
, Operand(0x3f000000u
/*0.5*/));
1501 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), sc
, tc
);
1504 case nir_op_cube_face_index
: {
1505 Temp in
= get_alu_src(ctx
, instr
->src
[0], 3);
1506 Temp src
[3] = { emit_extract_vector(ctx
, in
, 0, v1
),
1507 emit_extract_vector(ctx
, in
, 1, v1
),
1508 emit_extract_vector(ctx
, in
, 2, v1
) };
1509 bld
.vop3(aco_opcode::v_cubeid_f32
, Definition(dst
), src
[0], src
[1], src
[2]);
1512 case nir_op_bcsel
: {
1513 emit_bcsel(ctx
, instr
, dst
);
1517 if (dst
.size() == 1) {
1518 emit_rsq(ctx
, bld
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
1519 } else if (dst
.size() == 2) {
1520 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_rsq_f64
, dst
);
1522 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1523 nir_print_instr(&instr
->instr
, stderr
);
1524 fprintf(stderr
, "\n");
1529 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1530 if (dst
.size() == 1) {
1531 if (ctx
->block
->fp_mode
.must_flush_denorms32
)
1532 src
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), Operand(0x3f800000u
), as_vgpr(ctx
, src
));
1533 bld
.vop2(aco_opcode::v_xor_b32
, Definition(dst
), Operand(0x80000000u
), as_vgpr(ctx
, src
));
1534 } else if (dst
.size() == 2) {
1535 if (ctx
->block
->fp_mode
.must_flush_denorms16_64
)
1536 src
= bld
.vop3(aco_opcode::v_mul_f64
, bld
.def(v2
), Operand(0x3FF0000000000000lu
), as_vgpr(ctx
, src
));
1537 Temp upper
= bld
.tmp(v1
), lower
= bld
.tmp(v1
);
1538 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), src
);
1539 upper
= bld
.vop2(aco_opcode::v_xor_b32
, bld
.def(v1
), Operand(0x80000000u
), upper
);
1540 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1542 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1543 nir_print_instr(&instr
->instr
, stderr
);
1544 fprintf(stderr
, "\n");
1549 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1550 if (dst
.size() == 1) {
1551 if (ctx
->block
->fp_mode
.must_flush_denorms32
)
1552 src
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), Operand(0x3f800000u
), as_vgpr(ctx
, src
));
1553 bld
.vop2(aco_opcode::v_and_b32
, Definition(dst
), Operand(0x7FFFFFFFu
), as_vgpr(ctx
, src
));
1554 } else if (dst
.size() == 2) {
1555 if (ctx
->block
->fp_mode
.must_flush_denorms16_64
)
1556 src
= bld
.vop3(aco_opcode::v_mul_f64
, bld
.def(v2
), Operand(0x3FF0000000000000lu
), as_vgpr(ctx
, src
));
1557 Temp upper
= bld
.tmp(v1
), lower
= bld
.tmp(v1
);
1558 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), src
);
1559 upper
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(0x7FFFFFFFu
), upper
);
1560 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1562 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1563 nir_print_instr(&instr
->instr
, stderr
);
1564 fprintf(stderr
, "\n");
1569 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1570 if (dst
.size() == 1) {
1571 bld
.vop3(aco_opcode::v_med3_f32
, Definition(dst
), Operand(0u), Operand(0x3f800000u
), src
);
1572 /* apparently, it is not necessary to flush denorms if this instruction is used with these operands */
1573 // TODO: confirm that this holds under any circumstances
1574 } else if (dst
.size() == 2) {
1575 Instruction
* add
= bld
.vop3(aco_opcode::v_add_f64
, Definition(dst
), src
, Operand(0u));
1576 VOP3A_instruction
* vop3
= static_cast<VOP3A_instruction
*>(add
);
1579 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1580 nir_print_instr(&instr
->instr
, stderr
);
1581 fprintf(stderr
, "\n");
1585 case nir_op_flog2
: {
1586 if (dst
.size() == 1) {
1587 emit_log2(ctx
, bld
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
1589 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1590 nir_print_instr(&instr
->instr
, stderr
);
1591 fprintf(stderr
, "\n");
1596 if (dst
.size() == 1) {
1597 emit_rcp(ctx
, bld
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
1598 } else if (dst
.size() == 2) {
1599 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_rcp_f64
, dst
);
1601 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1602 nir_print_instr(&instr
->instr
, stderr
);
1603 fprintf(stderr
, "\n");
1607 case nir_op_fexp2
: {
1608 if (dst
.size() == 1) {
1609 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_exp_f32
, dst
);
1611 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1612 nir_print_instr(&instr
->instr
, stderr
);
1613 fprintf(stderr
, "\n");
1617 case nir_op_fsqrt
: {
1618 if (dst
.size() == 1) {
1619 emit_sqrt(ctx
, bld
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
1620 } else if (dst
.size() == 2) {
1621 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_sqrt_f64
, dst
);
1623 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1624 nir_print_instr(&instr
->instr
, stderr
);
1625 fprintf(stderr
, "\n");
1629 case nir_op_ffract
: {
1630 if (dst
.size() == 1) {
1631 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_fract_f32
, dst
);
1632 } else if (dst
.size() == 2) {
1633 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_fract_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_ffloor
: {
1642 if (dst
.size() == 1) {
1643 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_floor_f32
, dst
);
1644 } else if (dst
.size() == 2) {
1645 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_floor_f64
, dst
);
1647 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1648 nir_print_instr(&instr
->instr
, stderr
);
1649 fprintf(stderr
, "\n");
1653 case nir_op_fceil
: {
1654 if (dst
.size() == 1) {
1655 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_ceil_f32
, dst
);
1656 } else if (dst
.size() == 2) {
1657 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_ceil_f64
, dst
);
1659 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1660 nir_print_instr(&instr
->instr
, stderr
);
1661 fprintf(stderr
, "\n");
1665 case nir_op_ftrunc
: {
1666 if (dst
.size() == 1) {
1667 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_trunc_f32
, dst
);
1668 } else if (dst
.size() == 2) {
1669 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_trunc_f64
, dst
);
1671 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1672 nir_print_instr(&instr
->instr
, stderr
);
1673 fprintf(stderr
, "\n");
1677 case nir_op_fround_even
: {
1678 if (dst
.size() == 1) {
1679 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_rndne_f32
, dst
);
1680 } else if (dst
.size() == 2) {
1681 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_rndne_f64
, dst
);
1683 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1684 nir_print_instr(&instr
->instr
, stderr
);
1685 fprintf(stderr
, "\n");
1691 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1692 aco_ptr
<Instruction
> norm
;
1693 if (dst
.size() == 1) {
1694 Temp half_pi
= bld
.copy(bld
.def(s1
), Operand(0x3e22f983u
));
1695 Temp tmp
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), half_pi
, as_vgpr(ctx
, src
));
1697 /* before GFX9, v_sin_f32 and v_cos_f32 had a valid input domain of [-256, +256] */
1698 if (ctx
->options
->chip_class
< GFX9
)
1699 tmp
= bld
.vop1(aco_opcode::v_fract_f32
, bld
.def(v1
), tmp
);
1701 aco_opcode opcode
= instr
->op
== nir_op_fsin
? aco_opcode::v_sin_f32
: aco_opcode::v_cos_f32
;
1702 bld
.vop1(opcode
, Definition(dst
), tmp
);
1704 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1705 nir_print_instr(&instr
->instr
, stderr
);
1706 fprintf(stderr
, "\n");
1710 case nir_op_ldexp
: {
1711 if (dst
.size() == 1) {
1712 bld
.vop3(aco_opcode::v_ldexp_f32
, Definition(dst
),
1713 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[0])),
1714 get_alu_src(ctx
, instr
->src
[1]));
1715 } else if (dst
.size() == 2) {
1716 bld
.vop3(aco_opcode::v_ldexp_f64
, Definition(dst
),
1717 as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[0])),
1718 get_alu_src(ctx
, instr
->src
[1]));
1720 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1721 nir_print_instr(&instr
->instr
, stderr
);
1722 fprintf(stderr
, "\n");
1726 case nir_op_frexp_sig
: {
1727 if (dst
.size() == 1) {
1728 bld
.vop1(aco_opcode::v_frexp_mant_f32
, Definition(dst
),
1729 get_alu_src(ctx
, instr
->src
[0]));
1730 } else if (dst
.size() == 2) {
1731 bld
.vop1(aco_opcode::v_frexp_mant_f64
, Definition(dst
),
1732 get_alu_src(ctx
, instr
->src
[0]));
1734 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1735 nir_print_instr(&instr
->instr
, stderr
);
1736 fprintf(stderr
, "\n");
1740 case nir_op_frexp_exp
: {
1741 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1742 bld
.vop1(aco_opcode::v_frexp_exp_i32_f32
, Definition(dst
),
1743 get_alu_src(ctx
, instr
->src
[0]));
1744 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1745 bld
.vop1(aco_opcode::v_frexp_exp_i32_f64
, Definition(dst
),
1746 get_alu_src(ctx
, instr
->src
[0]));
1748 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1749 nir_print_instr(&instr
->instr
, stderr
);
1750 fprintf(stderr
, "\n");
1754 case nir_op_fsign
: {
1755 Temp src
= as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[0]));
1756 if (dst
.size() == 1) {
1757 Temp cond
= bld
.vopc(aco_opcode::v_cmp_nlt_f32
, bld
.hint_vcc(bld
.def(bld
.lm
)), Operand(0u), src
);
1758 src
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0x3f800000u
), src
, cond
);
1759 cond
= bld
.vopc(aco_opcode::v_cmp_le_f32
, bld
.hint_vcc(bld
.def(bld
.lm
)), Operand(0u), src
);
1760 bld
.vop2(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0xbf800000u
), src
, cond
);
1761 } else if (dst
.size() == 2) {
1762 Temp cond
= bld
.vopc(aco_opcode::v_cmp_nlt_f64
, bld
.hint_vcc(bld
.def(bld
.lm
)), Operand(0u), src
);
1763 Temp tmp
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(0x3FF00000u
));
1764 Temp upper
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), tmp
, emit_extract_vector(ctx
, src
, 1, v1
), cond
);
1766 cond
= bld
.vopc(aco_opcode::v_cmp_le_f64
, bld
.hint_vcc(bld
.def(bld
.lm
)), Operand(0u), src
);
1767 tmp
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(0xBFF00000u
));
1768 upper
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), tmp
, upper
, cond
);
1770 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), Operand(0u), upper
);
1772 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1773 nir_print_instr(&instr
->instr
, stderr
);
1774 fprintf(stderr
, "\n");
1778 case nir_op_f2f32
: {
1779 if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1780 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_cvt_f32_f64
, dst
);
1782 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1783 nir_print_instr(&instr
->instr
, stderr
);
1784 fprintf(stderr
, "\n");
1788 case nir_op_f2f64
: {
1789 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1790 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_cvt_f64_f32
, dst
);
1792 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1793 nir_print_instr(&instr
->instr
, stderr
);
1794 fprintf(stderr
, "\n");
1798 case nir_op_i2f32
: {
1799 assert(dst
.size() == 1);
1800 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_cvt_f32_i32
, dst
);
1803 case nir_op_i2f64
: {
1804 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1805 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_cvt_f64_i32
, dst
);
1806 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1807 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1808 RegClass rc
= RegClass(src
.type(), 1);
1809 Temp lower
= bld
.tmp(rc
), upper
= bld
.tmp(rc
);
1810 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), src
);
1811 lower
= bld
.vop1(aco_opcode::v_cvt_f64_u32
, bld
.def(v2
), lower
);
1812 upper
= bld
.vop1(aco_opcode::v_cvt_f64_i32
, bld
.def(v2
), upper
);
1813 upper
= bld
.vop3(aco_opcode::v_ldexp_f64
, bld
.def(v2
), upper
, Operand(32u));
1814 bld
.vop3(aco_opcode::v_add_f64
, Definition(dst
), lower
, upper
);
1817 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1818 nir_print_instr(&instr
->instr
, stderr
);
1819 fprintf(stderr
, "\n");
1823 case nir_op_u2f32
: {
1824 assert(dst
.size() == 1);
1825 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_cvt_f32_u32
, dst
);
1828 case nir_op_u2f64
: {
1829 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1830 emit_vop1_instruction(ctx
, instr
, aco_opcode::v_cvt_f64_u32
, dst
);
1831 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1832 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1833 RegClass rc
= RegClass(src
.type(), 1);
1834 Temp lower
= bld
.tmp(rc
), upper
= bld
.tmp(rc
);
1835 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), src
);
1836 lower
= bld
.vop1(aco_opcode::v_cvt_f64_u32
, bld
.def(v2
), lower
);
1837 upper
= bld
.vop1(aco_opcode::v_cvt_f64_u32
, bld
.def(v2
), upper
);
1838 upper
= bld
.vop3(aco_opcode::v_ldexp_f64
, bld
.def(v2
), upper
, Operand(32u));
1839 bld
.vop3(aco_opcode::v_add_f64
, Definition(dst
), lower
, upper
);
1841 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1842 nir_print_instr(&instr
->instr
, stderr
);
1843 fprintf(stderr
, "\n");
1847 case nir_op_f2i32
: {
1848 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1849 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1850 if (dst
.type() == RegType::vgpr
)
1851 bld
.vop1(aco_opcode::v_cvt_i32_f32
, Definition(dst
), src
);
1853 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
),
1854 bld
.vop1(aco_opcode::v_cvt_i32_f32
, bld
.def(v1
), src
));
1856 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1857 if (dst
.type() == RegType::vgpr
)
1858 bld
.vop1(aco_opcode::v_cvt_i32_f64
, Definition(dst
), src
);
1860 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
),
1861 bld
.vop1(aco_opcode::v_cvt_i32_f64
, bld
.def(v1
), src
));
1864 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1865 nir_print_instr(&instr
->instr
, stderr
);
1866 fprintf(stderr
, "\n");
1870 case nir_op_f2u32
: {
1871 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1872 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
1873 if (dst
.type() == RegType::vgpr
)
1874 bld
.vop1(aco_opcode::v_cvt_u32_f32
, Definition(dst
), src
);
1876 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
),
1877 bld
.vop1(aco_opcode::v_cvt_u32_f32
, bld
.def(v1
), src
));
1879 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1880 if (dst
.type() == RegType::vgpr
)
1881 bld
.vop1(aco_opcode::v_cvt_u32_f64
, Definition(dst
), src
);
1883 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
),
1884 bld
.vop1(aco_opcode::v_cvt_u32_f64
, bld
.def(v1
), src
));
1887 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1888 nir_print_instr(&instr
->instr
, stderr
);
1889 fprintf(stderr
, "\n");
1893 case nir_op_f2i64
: {
1894 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1895 if (instr
->src
[0].src
.ssa
->bit_size
== 32 && dst
.type() == RegType::vgpr
) {
1896 Temp exponent
= bld
.vop1(aco_opcode::v_frexp_exp_i32_f32
, bld
.def(v1
), src
);
1897 exponent
= bld
.vop3(aco_opcode::v_med3_i32
, bld
.def(v1
), Operand(0x0u
), exponent
, Operand(64u));
1898 Temp mantissa
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(0x7fffffu
), src
);
1899 Temp sign
= bld
.vop2(aco_opcode::v_ashrrev_i32
, bld
.def(v1
), Operand(31u), src
);
1900 mantissa
= bld
.vop2(aco_opcode::v_or_b32
, bld
.def(v1
), Operand(0x800000u
), mantissa
);
1901 mantissa
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(7u), mantissa
);
1902 mantissa
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
), Operand(0u), mantissa
);
1903 Temp new_exponent
= bld
.tmp(v1
);
1904 Temp borrow
= bld
.vsub32(Definition(new_exponent
), Operand(63u), exponent
, true).def(1).getTemp();
1905 if (ctx
->program
->chip_class
>= GFX8
)
1906 mantissa
= bld
.vop3(aco_opcode::v_lshrrev_b64
, bld
.def(v2
), new_exponent
, mantissa
);
1908 mantissa
= bld
.vop3(aco_opcode::v_lshr_b64
, bld
.def(v2
), mantissa
, new_exponent
);
1909 Temp saturate
= bld
.vop1(aco_opcode::v_bfrev_b32
, bld
.def(v1
), Operand(0xfffffffeu
));
1910 Temp lower
= bld
.tmp(v1
), upper
= bld
.tmp(v1
);
1911 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), mantissa
);
1912 lower
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), lower
, Operand(0xffffffffu
), borrow
);
1913 upper
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), upper
, saturate
, borrow
);
1914 lower
= bld
.vop2(aco_opcode::v_xor_b32
, bld
.def(v1
), sign
, lower
);
1915 upper
= bld
.vop2(aco_opcode::v_xor_b32
, bld
.def(v1
), sign
, upper
);
1916 Temp new_lower
= bld
.tmp(v1
);
1917 borrow
= bld
.vsub32(Definition(new_lower
), lower
, sign
, true).def(1).getTemp();
1918 Temp new_upper
= bld
.vsub32(bld
.def(v1
), upper
, sign
, false, borrow
);
1919 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), new_lower
, new_upper
);
1921 } else if (instr
->src
[0].src
.ssa
->bit_size
== 32 && dst
.type() == RegType::sgpr
) {
1922 if (src
.type() == RegType::vgpr
)
1923 src
= bld
.as_uniform(src
);
1924 Temp exponent
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
), src
, Operand(0x80017u
));
1925 exponent
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.def(s1
, scc
), exponent
, Operand(126u));
1926 exponent
= bld
.sop2(aco_opcode::s_max_u32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0u), exponent
);
1927 exponent
= bld
.sop2(aco_opcode::s_min_u32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(64u), exponent
);
1928 Temp mantissa
= bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0x7fffffu
), src
);
1929 Temp sign
= bld
.sop2(aco_opcode::s_ashr_i32
, bld
.def(s1
), bld
.def(s1
, scc
), src
, Operand(31u));
1930 mantissa
= bld
.sop2(aco_opcode::s_or_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0x800000u
), mantissa
);
1931 mantissa
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), mantissa
, Operand(7u));
1932 mantissa
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(0u), mantissa
);
1933 exponent
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(63u), exponent
);
1934 mantissa
= bld
.sop2(aco_opcode::s_lshr_b64
, bld
.def(s2
), bld
.def(s1
, scc
), mantissa
, exponent
);
1935 Temp cond
= bld
.sopc(aco_opcode::s_cmp_eq_u32
, bld
.def(s1
, scc
), exponent
, Operand(0xffffffffu
)); // exp >= 64
1936 Temp saturate
= bld
.sop1(aco_opcode::s_brev_b64
, bld
.def(s2
), Operand(0xfffffffeu
));
1937 mantissa
= bld
.sop2(aco_opcode::s_cselect_b64
, bld
.def(s2
), saturate
, mantissa
, cond
);
1938 Temp lower
= bld
.tmp(s1
), upper
= bld
.tmp(s1
);
1939 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), mantissa
);
1940 lower
= bld
.sop2(aco_opcode::s_xor_b32
, bld
.def(s1
), bld
.def(s1
, scc
), sign
, lower
);
1941 upper
= bld
.sop2(aco_opcode::s_xor_b32
, bld
.def(s1
), bld
.def(s1
, scc
), sign
, upper
);
1942 Temp borrow
= bld
.tmp(s1
);
1943 lower
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.scc(Definition(borrow
)), lower
, sign
);
1944 upper
= bld
.sop2(aco_opcode::s_subb_u32
, bld
.def(s1
), bld
.def(s1
, scc
), upper
, sign
, borrow
);
1945 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1947 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
1948 Temp vec
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(0u), Operand(0x3df00000u
));
1949 Temp trunc
= bld
.vop1(aco_opcode::v_trunc_f64
, bld
.def(v2
), src
);
1950 Temp mul
= bld
.vop3(aco_opcode::v_mul_f64
, bld
.def(v2
), trunc
, vec
);
1951 vec
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(0u), Operand(0xc1f00000u
));
1952 Temp floor
= bld
.vop1(aco_opcode::v_floor_f64
, bld
.def(v2
), mul
);
1953 Temp fma
= bld
.vop3(aco_opcode::v_fma_f64
, bld
.def(v2
), floor
, vec
, trunc
);
1954 Temp lower
= bld
.vop1(aco_opcode::v_cvt_u32_f64
, bld
.def(v1
), fma
);
1955 Temp upper
= bld
.vop1(aco_opcode::v_cvt_i32_f64
, bld
.def(v1
), floor
);
1956 if (dst
.type() == RegType::sgpr
) {
1957 lower
= bld
.as_uniform(lower
);
1958 upper
= bld
.as_uniform(upper
);
1960 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1963 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
1964 nir_print_instr(&instr
->instr
, stderr
);
1965 fprintf(stderr
, "\n");
1969 case nir_op_f2u64
: {
1970 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
1971 if (instr
->src
[0].src
.ssa
->bit_size
== 32 && dst
.type() == RegType::vgpr
) {
1972 Temp exponent
= bld
.vop1(aco_opcode::v_frexp_exp_i32_f32
, bld
.def(v1
), src
);
1973 Temp exponent_in_range
= bld
.vopc(aco_opcode::v_cmp_ge_i32
, bld
.hint_vcc(bld
.def(bld
.lm
)), Operand(64u), exponent
);
1974 exponent
= bld
.vop2(aco_opcode::v_max_i32
, bld
.def(v1
), Operand(0x0u
), exponent
);
1975 Temp mantissa
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(0x7fffffu
), src
);
1976 mantissa
= bld
.vop2(aco_opcode::v_or_b32
, bld
.def(v1
), Operand(0x800000u
), mantissa
);
1977 Temp exponent_small
= bld
.vsub32(bld
.def(v1
), Operand(24u), exponent
);
1978 Temp small
= bld
.vop2(aco_opcode::v_lshrrev_b32
, bld
.def(v1
), exponent_small
, mantissa
);
1979 mantissa
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
), Operand(0u), mantissa
);
1980 Temp new_exponent
= bld
.tmp(v1
);
1981 Temp cond_small
= bld
.vsub32(Definition(new_exponent
), exponent
, Operand(24u), true).def(1).getTemp();
1982 if (ctx
->program
->chip_class
>= GFX8
)
1983 mantissa
= bld
.vop3(aco_opcode::v_lshlrev_b64
, bld
.def(v2
), new_exponent
, mantissa
);
1985 mantissa
= bld
.vop3(aco_opcode::v_lshl_b64
, bld
.def(v2
), mantissa
, new_exponent
);
1986 Temp lower
= bld
.tmp(v1
), upper
= bld
.tmp(v1
);
1987 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), mantissa
);
1988 lower
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), lower
, small
, cond_small
);
1989 upper
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), upper
, Operand(0u), cond_small
);
1990 lower
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0xffffffffu
), lower
, exponent_in_range
);
1991 upper
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0xffffffffu
), upper
, exponent_in_range
);
1992 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
1994 } else if (instr
->src
[0].src
.ssa
->bit_size
== 32 && dst
.type() == RegType::sgpr
) {
1995 if (src
.type() == RegType::vgpr
)
1996 src
= bld
.as_uniform(src
);
1997 Temp exponent
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
), src
, Operand(0x80017u
));
1998 exponent
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.def(s1
, scc
), exponent
, Operand(126u));
1999 exponent
= bld
.sop2(aco_opcode::s_max_u32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0u), exponent
);
2000 Temp mantissa
= bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0x7fffffu
), src
);
2001 mantissa
= bld
.sop2(aco_opcode::s_or_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0x800000u
), mantissa
);
2002 Temp exponent_small
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(24u), exponent
);
2003 Temp small
= bld
.sop2(aco_opcode::s_lshr_b32
, bld
.def(s1
), bld
.def(s1
, scc
), mantissa
, exponent_small
);
2004 mantissa
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(0u), mantissa
);
2005 Temp exponent_large
= bld
.sop2(aco_opcode::s_sub_u32
, bld
.def(s1
), bld
.def(s1
, scc
), exponent
, Operand(24u));
2006 mantissa
= bld
.sop2(aco_opcode::s_lshl_b64
, bld
.def(s2
), bld
.def(s1
, scc
), mantissa
, exponent_large
);
2007 Temp cond
= bld
.sopc(aco_opcode::s_cmp_ge_i32
, bld
.def(s1
, scc
), Operand(64u), exponent
);
2008 mantissa
= bld
.sop2(aco_opcode::s_cselect_b64
, bld
.def(s2
), mantissa
, Operand(0xffffffffu
), cond
);
2009 Temp lower
= bld
.tmp(s1
), upper
= bld
.tmp(s1
);
2010 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lower
), Definition(upper
), mantissa
);
2011 Temp cond_small
= bld
.sopc(aco_opcode::s_cmp_le_i32
, bld
.def(s1
, scc
), exponent
, Operand(24u));
2012 lower
= bld
.sop2(aco_opcode::s_cselect_b32
, bld
.def(s1
), small
, lower
, cond_small
);
2013 upper
= bld
.sop2(aco_opcode::s_cselect_b32
, bld
.def(s1
), Operand(0u), upper
, cond_small
);
2014 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
2016 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
2017 Temp vec
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(0u), Operand(0x3df00000u
));
2018 Temp trunc
= bld
.vop1(aco_opcode::v_trunc_f64
, bld
.def(v2
), src
);
2019 Temp mul
= bld
.vop3(aco_opcode::v_mul_f64
, bld
.def(v2
), trunc
, vec
);
2020 vec
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(0u), Operand(0xc1f00000u
));
2021 Temp floor
= bld
.vop1(aco_opcode::v_floor_f64
, bld
.def(v2
), mul
);
2022 Temp fma
= bld
.vop3(aco_opcode::v_fma_f64
, bld
.def(v2
), floor
, vec
, trunc
);
2023 Temp lower
= bld
.vop1(aco_opcode::v_cvt_u32_f64
, bld
.def(v1
), fma
);
2024 Temp upper
= bld
.vop1(aco_opcode::v_cvt_u32_f64
, bld
.def(v1
), floor
);
2025 if (dst
.type() == RegType::sgpr
) {
2026 lower
= bld
.as_uniform(lower
);
2027 upper
= bld
.as_uniform(upper
);
2029 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lower
, upper
);
2032 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2033 nir_print_instr(&instr
->instr
, stderr
);
2034 fprintf(stderr
, "\n");
2038 case nir_op_b2f32
: {
2039 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
2040 assert(src
.regClass() == bld
.lm
);
2042 if (dst
.regClass() == s1
) {
2043 src
= bool_to_scalar_condition(ctx
, src
);
2044 bld
.sop2(aco_opcode::s_mul_i32
, Definition(dst
), Operand(0x3f800000u
), src
);
2045 } else if (dst
.regClass() == v1
) {
2046 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0u), Operand(0x3f800000u
), src
);
2048 unreachable("Wrong destination register class for nir_op_b2f32.");
2052 case nir_op_b2f64
: {
2053 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
2054 assert(src
.regClass() == bld
.lm
);
2056 if (dst
.regClass() == s2
) {
2057 src
= bool_to_scalar_condition(ctx
, src
);
2058 bld
.sop2(aco_opcode::s_cselect_b64
, Definition(dst
), Operand(0x3f800000u
), Operand(0u), bld
.scc(src
));
2059 } else if (dst
.regClass() == v2
) {
2060 Temp one
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v2
), Operand(0x3FF00000u
));
2061 Temp upper
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0u), one
, src
);
2062 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), Operand(0u), upper
);
2064 unreachable("Wrong destination register class for nir_op_b2f64.");
2068 case nir_op_i2i32
: {
2069 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
2070 if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
2071 /* we can actually just say dst = src, as it would map the lower register */
2072 emit_extract_vector(ctx
, src
, 0, dst
);
2074 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2075 nir_print_instr(&instr
->instr
, stderr
);
2076 fprintf(stderr
, "\n");
2080 case nir_op_u2u32
: {
2081 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
2082 if (instr
->src
[0].src
.ssa
->bit_size
== 16) {
2083 if (dst
.regClass() == s1
) {
2084 bld
.sop2(aco_opcode::s_and_b32
, Definition(dst
), bld
.def(s1
, scc
), Operand(0xFFFFu
), src
);
2086 // TODO: do better with SDWA
2087 bld
.vop2(aco_opcode::v_and_b32
, Definition(dst
), Operand(0xFFFFu
), src
);
2089 } else if (instr
->src
[0].src
.ssa
->bit_size
== 64) {
2090 /* we can actually just say dst = src, as it would map the lower register */
2091 emit_extract_vector(ctx
, src
, 0, dst
);
2093 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2094 nir_print_instr(&instr
->instr
, stderr
);
2095 fprintf(stderr
, "\n");
2099 case nir_op_i2i64
: {
2100 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
2101 if (src
.regClass() == s1
) {
2102 Temp high
= bld
.sopc(aco_opcode::s_ashr_i32
, bld
.def(s1
, scc
), src
, Operand(31u));
2103 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), src
, high
);
2104 } else if (src
.regClass() == v1
) {
2105 Temp high
= bld
.vop2(aco_opcode::v_ashrrev_i32
, bld
.def(v1
), Operand(31u), src
);
2106 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), src
, high
);
2108 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2109 nir_print_instr(&instr
->instr
, stderr
);
2110 fprintf(stderr
, "\n");
2114 case nir_op_u2u64
: {
2115 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
2116 if (instr
->src
[0].src
.ssa
->bit_size
== 32) {
2117 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), src
, Operand(0u));
2119 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2120 nir_print_instr(&instr
->instr
, stderr
);
2121 fprintf(stderr
, "\n");
2125 case nir_op_b2i32
: {
2126 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
2127 assert(src
.regClass() == bld
.lm
);
2129 if (dst
.regClass() == s1
) {
2130 // TODO: in a post-RA optimization, we can check if src is in VCC, and directly use VCCNZ
2131 bool_to_scalar_condition(ctx
, src
, dst
);
2132 } else if (dst
.regClass() == v1
) {
2133 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0u), Operand(1u), src
);
2135 unreachable("Invalid register class for b2i32");
2140 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
2141 assert(dst
.regClass() == bld
.lm
);
2143 if (src
.type() == RegType::vgpr
) {
2144 assert(src
.regClass() == v1
|| src
.regClass() == v2
);
2145 bld
.vopc(src
.size() == 2 ? aco_opcode::v_cmp_lg_u64
: aco_opcode::v_cmp_lg_u32
,
2146 Definition(dst
), Operand(0u), src
).def(0).setHint(vcc
);
2148 assert(src
.regClass() == s1
|| src
.regClass() == s2
);
2150 if (src
.regClass() == s2
&& ctx
->program
->chip_class
<= GFX7
) {
2151 tmp
= bld
.sop2(aco_opcode::s_or_b64
, bld
.def(s2
), bld
.def(s1
, scc
), Operand(0u), src
).def(1).getTemp();
2153 tmp
= bld
.sopc(src
.size() == 2 ? aco_opcode::s_cmp_lg_u64
: aco_opcode::s_cmp_lg_u32
,
2154 bld
.scc(bld
.def(s1
)), Operand(0u), src
);
2156 bool_to_vector_condition(ctx
, tmp
, dst
);
2160 case nir_op_pack_64_2x32_split
: {
2161 Temp src0
= get_alu_src(ctx
, instr
->src
[0]);
2162 Temp src1
= get_alu_src(ctx
, instr
->src
[1]);
2164 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), src0
, src1
);
2167 case nir_op_unpack_64_2x32_split_x
:
2168 bld
.pseudo(aco_opcode::p_split_vector
, Definition(dst
), bld
.def(dst
.regClass()), get_alu_src(ctx
, instr
->src
[0]));
2170 case nir_op_unpack_64_2x32_split_y
:
2171 bld
.pseudo(aco_opcode::p_split_vector
, bld
.def(dst
.regClass()), Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
2173 case nir_op_pack_half_2x16
: {
2174 Temp src
= get_alu_src(ctx
, instr
->src
[0], 2);
2176 if (dst
.regClass() == v1
) {
2177 Temp src0
= bld
.tmp(v1
);
2178 Temp src1
= bld
.tmp(v1
);
2179 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src0
), Definition(src1
), src
);
2180 if (!ctx
->block
->fp_mode
.care_about_round32
|| ctx
->block
->fp_mode
.round32
== fp_round_tz
)
2181 bld
.vop3(aco_opcode::v_cvt_pkrtz_f16_f32
, Definition(dst
), src0
, src1
);
2183 bld
.vop3(aco_opcode::v_cvt_pk_u16_u32
, Definition(dst
),
2184 bld
.vop1(aco_opcode::v_cvt_f32_f16
, bld
.def(v1
), src0
),
2185 bld
.vop1(aco_opcode::v_cvt_f32_f16
, bld
.def(v1
), src1
));
2187 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2188 nir_print_instr(&instr
->instr
, stderr
);
2189 fprintf(stderr
, "\n");
2193 case nir_op_unpack_half_2x16_split_x
: {
2194 if (dst
.regClass() == v1
) {
2195 Builder
bld(ctx
->program
, ctx
->block
);
2196 bld
.vop1(aco_opcode::v_cvt_f32_f16
, Definition(dst
), get_alu_src(ctx
, instr
->src
[0]));
2198 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2199 nir_print_instr(&instr
->instr
, stderr
);
2200 fprintf(stderr
, "\n");
2204 case nir_op_unpack_half_2x16_split_y
: {
2205 if (dst
.regClass() == v1
) {
2206 Builder
bld(ctx
->program
, ctx
->block
);
2207 /* TODO: use SDWA here */
2208 bld
.vop1(aco_opcode::v_cvt_f32_f16
, Definition(dst
),
2209 bld
.vop2(aco_opcode::v_lshrrev_b32
, bld
.def(v1
), Operand(16u), as_vgpr(ctx
, get_alu_src(ctx
, instr
->src
[0]))));
2211 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2212 nir_print_instr(&instr
->instr
, stderr
);
2213 fprintf(stderr
, "\n");
2217 case nir_op_fquantize2f16
: {
2218 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
2219 Temp f16
= bld
.vop1(aco_opcode::v_cvt_f16_f32
, bld
.def(v1
), src
);
2222 if (ctx
->program
->chip_class
>= GFX8
) {
2223 Temp mask
= bld
.copy(bld
.def(s1
), Operand(0x36Fu
)); /* value is NOT negative/positive denormal value */
2224 cmp_res
= bld
.vopc_e64(aco_opcode::v_cmp_class_f16
, bld
.hint_vcc(bld
.def(bld
.lm
)), f16
, mask
);
2225 f32
= bld
.vop1(aco_opcode::v_cvt_f32_f16
, bld
.def(v1
), f16
);
2227 /* 0x38800000 is smallest half float value (2^-14) in 32-bit float,
2228 * so compare the result and flush to 0 if it's smaller.
2230 f32
= bld
.vop1(aco_opcode::v_cvt_f32_f16
, bld
.def(v1
), f16
);
2231 Temp smallest
= bld
.copy(bld
.def(s1
), Operand(0x38800000u
));
2232 Instruction
* vop3
= bld
.vopc_e64(aco_opcode::v_cmp_nlt_f32
, bld
.hint_vcc(bld
.def(s2
)), f32
, smallest
);
2233 static_cast<VOP3A_instruction
*>(vop3
)->abs
[0] = true;
2234 cmp_res
= vop3
->definitions
[0].getTemp();
2237 if (ctx
->block
->fp_mode
.preserve_signed_zero_inf_nan32
|| ctx
->program
->chip_class
< GFX8
) {
2238 Temp copysign_0
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), Operand(0u), as_vgpr(ctx
, src
));
2239 bld
.vop2(aco_opcode::v_cndmask_b32
, Definition(dst
), copysign_0
, f32
, cmp_res
);
2241 bld
.vop2(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0u), f32
, cmp_res
);
2246 Temp bits
= get_alu_src(ctx
, instr
->src
[0]);
2247 Temp offset
= get_alu_src(ctx
, instr
->src
[1]);
2249 if (dst
.regClass() == s1
) {
2250 bld
.sop2(aco_opcode::s_bfm_b32
, Definition(dst
), bits
, offset
);
2251 } else if (dst
.regClass() == v1
) {
2252 bld
.vop3(aco_opcode::v_bfm_b32
, Definition(dst
), bits
, offset
);
2254 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2255 nir_print_instr(&instr
->instr
, stderr
);
2256 fprintf(stderr
, "\n");
2260 case nir_op_bitfield_select
: {
2261 /* (mask & insert) | (~mask & base) */
2262 Temp bitmask
= get_alu_src(ctx
, instr
->src
[0]);
2263 Temp insert
= get_alu_src(ctx
, instr
->src
[1]);
2264 Temp base
= get_alu_src(ctx
, instr
->src
[2]);
2266 /* dst = (insert & bitmask) | (base & ~bitmask) */
2267 if (dst
.regClass() == s1
) {
2268 aco_ptr
<Instruction
> sop2
;
2269 nir_const_value
* const_bitmask
= nir_src_as_const_value(instr
->src
[0].src
);
2270 nir_const_value
* const_insert
= nir_src_as_const_value(instr
->src
[1].src
);
2272 if (const_insert
&& const_bitmask
) {
2273 lhs
= Operand(const_insert
->u32
& const_bitmask
->u32
);
2275 insert
= bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), insert
, bitmask
);
2276 lhs
= Operand(insert
);
2280 nir_const_value
* const_base
= nir_src_as_const_value(instr
->src
[2].src
);
2281 if (const_base
&& const_bitmask
) {
2282 rhs
= Operand(const_base
->u32
& ~const_bitmask
->u32
);
2284 base
= bld
.sop2(aco_opcode::s_andn2_b32
, bld
.def(s1
), bld
.def(s1
, scc
), base
, bitmask
);
2285 rhs
= Operand(base
);
2288 bld
.sop2(aco_opcode::s_or_b32
, Definition(dst
), bld
.def(s1
, scc
), rhs
, lhs
);
2290 } else if (dst
.regClass() == v1
) {
2291 if (base
.type() == RegType::sgpr
&& (bitmask
.type() == RegType::sgpr
|| (insert
.type() == RegType::sgpr
)))
2292 base
= as_vgpr(ctx
, base
);
2293 if (insert
.type() == RegType::sgpr
&& bitmask
.type() == RegType::sgpr
)
2294 insert
= as_vgpr(ctx
, insert
);
2296 bld
.vop3(aco_opcode::v_bfi_b32
, Definition(dst
), bitmask
, insert
, base
);
2299 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2300 nir_print_instr(&instr
->instr
, stderr
);
2301 fprintf(stderr
, "\n");
2307 Temp base
= get_alu_src(ctx
, instr
->src
[0]);
2308 Temp offset
= get_alu_src(ctx
, instr
->src
[1]);
2309 Temp bits
= get_alu_src(ctx
, instr
->src
[2]);
2311 if (dst
.type() == RegType::sgpr
) {
2313 nir_const_value
* const_offset
= nir_src_as_const_value(instr
->src
[1].src
);
2314 nir_const_value
* const_bits
= nir_src_as_const_value(instr
->src
[2].src
);
2315 if (const_offset
&& const_bits
) {
2316 uint32_t const_extract
= (const_bits
->u32
<< 16) | const_offset
->u32
;
2317 extract
= Operand(const_extract
);
2321 width
= Operand(const_bits
->u32
<< 16);
2323 width
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), bits
, Operand(16u));
2325 extract
= bld
.sop2(aco_opcode::s_or_b32
, bld
.def(s1
), bld
.def(s1
, scc
), offset
, width
);
2329 if (dst
.regClass() == s1
) {
2330 if (instr
->op
== nir_op_ubfe
)
2331 opcode
= aco_opcode::s_bfe_u32
;
2333 opcode
= aco_opcode::s_bfe_i32
;
2334 } else if (dst
.regClass() == s2
) {
2335 if (instr
->op
== nir_op_ubfe
)
2336 opcode
= aco_opcode::s_bfe_u64
;
2338 opcode
= aco_opcode::s_bfe_i64
;
2340 unreachable("Unsupported BFE bit size");
2343 bld
.sop2(opcode
, Definition(dst
), bld
.def(s1
, scc
), base
, extract
);
2347 if (dst
.regClass() == v1
) {
2348 if (instr
->op
== nir_op_ubfe
)
2349 opcode
= aco_opcode::v_bfe_u32
;
2351 opcode
= aco_opcode::v_bfe_i32
;
2353 unreachable("Unsupported BFE bit size");
2356 emit_vop3a_instruction(ctx
, instr
, opcode
, dst
);
2360 case nir_op_bit_count
: {
2361 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
2362 if (src
.regClass() == s1
) {
2363 bld
.sop1(aco_opcode::s_bcnt1_i32_b32
, Definition(dst
), bld
.def(s1
, scc
), src
);
2364 } else if (src
.regClass() == v1
) {
2365 bld
.vop3(aco_opcode::v_bcnt_u32_b32
, Definition(dst
), src
, Operand(0u));
2366 } else if (src
.regClass() == v2
) {
2367 bld
.vop3(aco_opcode::v_bcnt_u32_b32
, Definition(dst
),
2368 emit_extract_vector(ctx
, src
, 1, v1
),
2369 bld
.vop3(aco_opcode::v_bcnt_u32_b32
, bld
.def(v1
),
2370 emit_extract_vector(ctx
, src
, 0, v1
), Operand(0u)));
2371 } else if (src
.regClass() == s2
) {
2372 bld
.sop1(aco_opcode::s_bcnt1_i32_b64
, Definition(dst
), bld
.def(s1
, scc
), src
);
2374 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
2375 nir_print_instr(&instr
->instr
, stderr
);
2376 fprintf(stderr
, "\n");
2381 emit_comparison(ctx
, instr
, dst
, aco_opcode::v_cmp_lt_f32
, aco_opcode::v_cmp_lt_f64
);
2385 emit_comparison(ctx
, instr
, dst
, aco_opcode::v_cmp_ge_f32
, aco_opcode::v_cmp_ge_f64
);
2389 emit_comparison(ctx
, instr
, dst
, aco_opcode::v_cmp_eq_f32
, aco_opcode::v_cmp_eq_f64
);
2393 emit_comparison(ctx
, instr
, dst
, aco_opcode::v_cmp_neq_f32
, aco_opcode::v_cmp_neq_f64
);
2397 emit_comparison(ctx
, instr
, dst
, aco_opcode::v_cmp_lt_i32
, aco_opcode::v_cmp_lt_i64
, aco_opcode::s_cmp_lt_i32
);
2401 emit_comparison(ctx
, instr
, dst
, aco_opcode::v_cmp_ge_i32
, aco_opcode::v_cmp_ge_i64
, aco_opcode::s_cmp_ge_i32
);
2405 if (instr
->src
[0].src
.ssa
->bit_size
== 1)
2406 emit_boolean_logic(ctx
, instr
, Builder::s_xnor
, dst
);
2408 emit_comparison(ctx
, instr
, dst
, aco_opcode::v_cmp_eq_i32
, aco_opcode::v_cmp_eq_i64
, aco_opcode::s_cmp_eq_i32
,
2409 ctx
->program
->chip_class
>= GFX8
? aco_opcode::s_cmp_eq_u64
: aco_opcode::num_opcodes
);
2413 if (instr
->src
[0].src
.ssa
->bit_size
== 1)
2414 emit_boolean_logic(ctx
, instr
, Builder::s_xor
, dst
);
2416 emit_comparison(ctx
, instr
, dst
, aco_opcode::v_cmp_lg_i32
, aco_opcode::v_cmp_lg_i64
, aco_opcode::s_cmp_lg_i32
,
2417 ctx
->program
->chip_class
>= GFX8
? aco_opcode::s_cmp_lg_u64
: aco_opcode::num_opcodes
);
2421 emit_comparison(ctx
, instr
, dst
, aco_opcode::v_cmp_lt_u32
, aco_opcode::v_cmp_lt_u64
, aco_opcode::s_cmp_lt_u32
);
2425 emit_comparison(ctx
, instr
, dst
, aco_opcode::v_cmp_ge_u32
, aco_opcode::v_cmp_ge_u64
, aco_opcode::s_cmp_ge_u32
);
2430 case nir_op_fddx_fine
:
2431 case nir_op_fddy_fine
:
2432 case nir_op_fddx_coarse
:
2433 case nir_op_fddy_coarse
: {
2434 Temp src
= get_alu_src(ctx
, instr
->src
[0]);
2435 uint16_t dpp_ctrl1
, dpp_ctrl2
;
2436 if (instr
->op
== nir_op_fddx_fine
) {
2437 dpp_ctrl1
= dpp_quad_perm(0, 0, 2, 2);
2438 dpp_ctrl2
= dpp_quad_perm(1, 1, 3, 3);
2439 } else if (instr
->op
== nir_op_fddy_fine
) {
2440 dpp_ctrl1
= dpp_quad_perm(0, 1, 0, 1);
2441 dpp_ctrl2
= dpp_quad_perm(2, 3, 2, 3);
2443 dpp_ctrl1
= dpp_quad_perm(0, 0, 0, 0);
2444 if (instr
->op
== nir_op_fddx
|| instr
->op
== nir_op_fddx_coarse
)
2445 dpp_ctrl2
= dpp_quad_perm(1, 1, 1, 1);
2447 dpp_ctrl2
= dpp_quad_perm(2, 2, 2, 2);
2451 if (ctx
->program
->chip_class
>= GFX8
) {
2452 Temp tl
= bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), src
, dpp_ctrl1
);
2453 tmp
= bld
.vop2_dpp(aco_opcode::v_sub_f32
, bld
.def(v1
), src
, tl
, dpp_ctrl2
);
2455 Temp tl
= bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), src
, (1 << 15) | dpp_ctrl1
);
2456 Temp tr
= bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), src
, (1 << 15) | dpp_ctrl2
);
2457 tmp
= bld
.vop2(aco_opcode::v_sub_f32
, bld
.def(v1
), tr
, tl
);
2459 emit_wqm(ctx
, tmp
, dst
, true);
2463 fprintf(stderr
, "Unknown NIR ALU instr: ");
2464 nir_print_instr(&instr
->instr
, stderr
);
2465 fprintf(stderr
, "\n");
2469 void visit_load_const(isel_context
*ctx
, nir_load_const_instr
*instr
)
2471 Temp dst
= get_ssa_temp(ctx
, &instr
->def
);
2473 // TODO: we really want to have the resulting type as this would allow for 64bit literals
2474 // which get truncated the lsb if double and msb if int
2475 // for now, we only use s_mov_b64 with 64bit inline constants
2476 assert(instr
->def
.num_components
== 1 && "Vector load_const should be lowered to scalar.");
2477 assert(dst
.type() == RegType::sgpr
);
2479 Builder
bld(ctx
->program
, ctx
->block
);
2481 if (instr
->def
.bit_size
== 1) {
2482 assert(dst
.regClass() == bld
.lm
);
2483 int val
= instr
->value
[0].b
? -1 : 0;
2484 Operand op
= bld
.lm
.size() == 1 ? Operand((uint32_t) val
) : Operand((uint64_t) val
);
2485 bld
.sop1(Builder::s_mov
, Definition(dst
), op
);
2486 } else if (dst
.size() == 1) {
2487 bld
.copy(Definition(dst
), Operand(instr
->value
[0].u32
));
2489 assert(dst
.size() != 1);
2490 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, dst
.size(), 1)};
2491 if (instr
->def
.bit_size
== 64)
2492 for (unsigned i
= 0; i
< dst
.size(); i
++)
2493 vec
->operands
[i
] = Operand
{(uint32_t)(instr
->value
[0].u64
>> i
* 32)};
2495 for (unsigned i
= 0; i
< dst
.size(); i
++)
2496 vec
->operands
[i
] = Operand
{instr
->value
[i
].u32
};
2498 vec
->definitions
[0] = Definition(dst
);
2499 ctx
->block
->instructions
.emplace_back(std::move(vec
));
2503 uint32_t widen_mask(uint32_t mask
, unsigned multiplier
)
2505 uint32_t new_mask
= 0;
2506 for(unsigned i
= 0; i
< 32 && (1u << i
) <= mask
; ++i
)
2507 if (mask
& (1u << i
))
2508 new_mask
|= ((1u << multiplier
) - 1u) << (i
* multiplier
);
2512 void visit_store_vs_output(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
2514 /* This wouldn't work inside control flow or with indirect offsets but
2515 * that doesn't happen because of nir_lower_io_to_temporaries(). */
2517 unsigned write_mask
= nir_intrinsic_write_mask(instr
);
2518 unsigned component
= nir_intrinsic_component(instr
);
2519 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
2520 unsigned idx
= nir_intrinsic_base(instr
) + component
;
2522 nir_instr
*off_instr
= instr
->src
[1].ssa
->parent_instr
;
2523 if (off_instr
->type
!= nir_instr_type_load_const
) {
2524 fprintf(stderr
, "Unimplemented nir_intrinsic_load_input offset\n");
2525 nir_print_instr(off_instr
, stderr
);
2526 fprintf(stderr
, "\n");
2528 idx
+= nir_instr_as_load_const(off_instr
)->value
[0].u32
* 4u;
2530 if (instr
->src
[0].ssa
->bit_size
== 64)
2531 write_mask
= widen_mask(write_mask
, 2);
2533 for (unsigned i
= 0; i
< 8; ++i
) {
2534 if (write_mask
& (1 << i
)) {
2535 ctx
->vs_output
.mask
[idx
/ 4u] |= 1 << (idx
% 4u);
2536 ctx
->vs_output
.outputs
[idx
/ 4u][idx
% 4u] = emit_extract_vector(ctx
, src
, i
, v1
);
2542 void visit_store_fs_output(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
2544 Builder
bld(ctx
->program
, ctx
->block
);
2545 unsigned write_mask
= nir_intrinsic_write_mask(instr
);
2547 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
2548 for (unsigned i
= 0; i
< 4; ++i
) {
2549 if (write_mask
& (1 << i
)) {
2550 Temp tmp
= emit_extract_vector(ctx
, src
, i
, v1
);
2551 values
[i
] = Operand(tmp
);
2553 values
[i
] = Operand(v1
);
2557 unsigned index
= nir_intrinsic_base(instr
) / 4;
2558 unsigned target
, col_format
;
2559 unsigned enabled_channels
= 0xF;
2560 aco_opcode compr_op
= (aco_opcode
)0;
2562 nir_const_value
* offset
= nir_src_as_const_value(instr
->src
[1]);
2563 assert(offset
&& "Non-const offsets on exports not yet supported");
2564 index
+= offset
->u32
;
2566 assert(index
!= FRAG_RESULT_COLOR
);
2568 /* Unlike vertex shader exports, it's fine to use multiple exports to
2569 * export separate channels of one target. So shaders which export both
2570 * FRAG_RESULT_SAMPLE_MASK and FRAG_RESULT_DEPTH should work fine.
2571 * TODO: combine the exports in those cases and create better code
2574 if (index
== FRAG_RESULT_SAMPLE_MASK
) {
2576 if (ctx
->program
->info
->ps
.writes_z
) {
2577 target
= V_008DFC_SQ_EXP_MRTZ
;
2578 enabled_channels
= 0x4;
2579 col_format
= (unsigned) -1;
2581 values
[2] = values
[0];
2582 values
[0] = Operand(v1
);
2584 bld
.exp(aco_opcode::exp
, Operand(v1
), Operand(values
[0]), Operand(v1
), Operand(v1
),
2585 0xc, V_008DFC_SQ_EXP_MRTZ
, true);
2589 } else if (index
== FRAG_RESULT_DEPTH
) {
2591 target
= V_008DFC_SQ_EXP_MRTZ
;
2592 enabled_channels
= 0x1;
2593 col_format
= (unsigned) -1;
2595 } else if (index
== FRAG_RESULT_STENCIL
) {
2597 if (ctx
->program
->info
->ps
.writes_z
) {
2598 target
= V_008DFC_SQ_EXP_MRTZ
;
2599 enabled_channels
= 0x2;
2600 col_format
= (unsigned) -1;
2602 values
[1] = values
[0];
2603 values
[0] = Operand(v1
);
2605 values
[0] = bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(16u), values
[0]);
2606 bld
.exp(aco_opcode::exp
, values
[0], Operand(v1
), Operand(v1
), Operand(v1
),
2607 0x3, V_008DFC_SQ_EXP_MRTZ
, true);
2612 index
-= FRAG_RESULT_DATA0
;
2613 target
= V_008DFC_SQ_EXP_MRT
+ index
;
2614 col_format
= (ctx
->options
->key
.fs
.col_format
>> (4 * index
)) & 0xf;
2616 bool is_int8
= (ctx
->options
->key
.fs
.is_int8
>> index
) & 1;
2617 bool is_int10
= (ctx
->options
->key
.fs
.is_int10
>> index
) & 1;
2621 case V_028714_SPI_SHADER_ZERO
:
2622 enabled_channels
= 0; /* writemask */
2623 target
= V_008DFC_SQ_EXP_NULL
;
2626 case V_028714_SPI_SHADER_32_R
:
2627 enabled_channels
= 1;
2630 case V_028714_SPI_SHADER_32_GR
:
2631 enabled_channels
= 0x3;
2634 case V_028714_SPI_SHADER_32_AR
:
2635 if (ctx
->options
->chip_class
>= GFX10
) {
2636 /* Special case: on GFX10, the outputs are different for 32_AR */
2637 enabled_channels
= 0x3;
2638 values
[1] = values
[3];
2639 values
[3] = Operand(v1
);
2641 enabled_channels
= 0x9;
2645 case V_028714_SPI_SHADER_FP16_ABGR
:
2646 enabled_channels
= 0x5;
2647 compr_op
= aco_opcode::v_cvt_pkrtz_f16_f32
;
2650 case V_028714_SPI_SHADER_UNORM16_ABGR
:
2651 enabled_channels
= 0x5;
2652 compr_op
= aco_opcode::v_cvt_pknorm_u16_f32
;
2655 case V_028714_SPI_SHADER_SNORM16_ABGR
:
2656 enabled_channels
= 0x5;
2657 compr_op
= aco_opcode::v_cvt_pknorm_i16_f32
;
2660 case V_028714_SPI_SHADER_UINT16_ABGR
: {
2661 enabled_channels
= 0x5;
2662 compr_op
= aco_opcode::v_cvt_pk_u16_u32
;
2663 if (is_int8
|| is_int10
) {
2665 uint32_t max_rgb
= is_int8
? 255 : is_int10
? 1023 : 0;
2666 Temp max_rgb_val
= bld
.copy(bld
.def(s1
), Operand(max_rgb
));
2668 for (unsigned i
= 0; i
< 4; i
++) {
2669 if ((write_mask
>> i
) & 1) {
2670 values
[i
] = bld
.vop2(aco_opcode::v_min_u32
, bld
.def(v1
),
2671 i
== 3 && is_int10
? Operand(3u) : Operand(max_rgb_val
),
2679 case V_028714_SPI_SHADER_SINT16_ABGR
:
2680 enabled_channels
= 0x5;
2681 compr_op
= aco_opcode::v_cvt_pk_i16_i32
;
2682 if (is_int8
|| is_int10
) {
2684 uint32_t max_rgb
= is_int8
? 127 : is_int10
? 511 : 0;
2685 uint32_t min_rgb
= is_int8
? -128 :is_int10
? -512 : 0;
2686 Temp max_rgb_val
= bld
.copy(bld
.def(s1
), Operand(max_rgb
));
2687 Temp min_rgb_val
= bld
.copy(bld
.def(s1
), Operand(min_rgb
));
2689 for (unsigned i
= 0; i
< 4; i
++) {
2690 if ((write_mask
>> i
) & 1) {
2691 values
[i
] = bld
.vop2(aco_opcode::v_min_i32
, bld
.def(v1
),
2692 i
== 3 && is_int10
? Operand(1u) : Operand(max_rgb_val
),
2694 values
[i
] = bld
.vop2(aco_opcode::v_max_i32
, bld
.def(v1
),
2695 i
== 3 && is_int10
? Operand(-2u) : Operand(min_rgb_val
),
2702 case V_028714_SPI_SHADER_32_ABGR
:
2703 enabled_channels
= 0xF;
2710 if (target
== V_008DFC_SQ_EXP_NULL
)
2713 if ((bool) compr_op
) {
2714 for (int i
= 0; i
< 2; i
++) {
2715 /* check if at least one of the values to be compressed is enabled */
2716 unsigned enabled
= (write_mask
>> (i
*2) | write_mask
>> (i
*2+1)) & 0x1;
2718 enabled_channels
|= enabled
<< (i
*2);
2719 values
[i
] = bld
.vop3(compr_op
, bld
.def(v1
),
2720 values
[i
*2].isUndefined() ? Operand(0u) : values
[i
*2],
2721 values
[i
*2+1].isUndefined() ? Operand(0u): values
[i
*2+1]);
2723 values
[i
] = Operand(v1
);
2726 values
[2] = Operand(v1
);
2727 values
[3] = Operand(v1
);
2729 for (int i
= 0; i
< 4; i
++)
2730 values
[i
] = enabled_channels
& (1 << i
) ? values
[i
] : Operand(v1
);
2733 bld
.exp(aco_opcode::exp
, values
[0], values
[1], values
[2], values
[3],
2734 enabled_channels
, target
, (bool) compr_op
);
2737 Operand
load_lds_size_m0(isel_context
*ctx
)
2739 /* TODO: m0 does not need to be initialized on GFX9+ */
2740 Builder
bld(ctx
->program
, ctx
->block
);
2741 return bld
.m0((Temp
)bld
.sopk(aco_opcode::s_movk_i32
, bld
.def(s1
, m0
), 0xffff));
2744 void load_lds(isel_context
*ctx
, unsigned elem_size_bytes
, Temp dst
,
2745 Temp address
, unsigned base_offset
, unsigned align
)
2747 assert(util_is_power_of_two_nonzero(align
) && align
>= 4);
2749 Builder
bld(ctx
->program
, ctx
->block
);
2751 Operand m
= load_lds_size_m0(ctx
);
2753 unsigned num_components
= dst
.size() * 4u / elem_size_bytes
;
2754 unsigned bytes_read
= 0;
2755 unsigned result_size
= 0;
2756 unsigned total_bytes
= num_components
* elem_size_bytes
;
2757 std::array
<Temp
, 4> result
;
2759 while (bytes_read
< total_bytes
) {
2760 unsigned todo
= total_bytes
- bytes_read
;
2761 bool aligned8
= bytes_read
% 8 == 0 && align
% 8 == 0;
2762 bool aligned16
= bytes_read
% 16 == 0 && align
% 16 == 0;
2764 aco_opcode op
= aco_opcode::last_opcode
;
2766 if (todo
>= 16 && aligned16
) {
2767 op
= aco_opcode::ds_read_b128
;
2769 } else if (todo
>= 16 && aligned8
) {
2770 op
= aco_opcode::ds_read2_b64
;
2773 } else if (todo
>= 12 && aligned16
) {
2774 op
= aco_opcode::ds_read_b96
;
2776 } else if (todo
>= 8 && aligned8
) {
2777 op
= aco_opcode::ds_read_b64
;
2779 } else if (todo
>= 8) {
2780 op
= aco_opcode::ds_read2_b32
;
2783 } else if (todo
>= 4) {
2784 op
= aco_opcode::ds_read_b32
;
2789 assert(todo
% elem_size_bytes
== 0);
2790 unsigned num_elements
= todo
/ elem_size_bytes
;
2791 unsigned offset
= base_offset
+ bytes_read
;
2792 unsigned max_offset
= read2
? 1019 : 65535;
2794 Temp address_offset
= address
;
2795 if (offset
> max_offset
) {
2796 address_offset
= bld
.vadd32(bld
.def(v1
), Operand(base_offset
), address_offset
);
2797 offset
= bytes_read
;
2799 assert(offset
<= max_offset
); /* bytes_read shouldn't be large enough for this to happen */
2802 if (num_components
== 1 && dst
.type() == RegType::vgpr
)
2805 res
= bld
.tmp(RegClass(RegType::vgpr
, todo
/ 4));
2808 res
= bld
.ds(op
, Definition(res
), address_offset
, m
, offset
>> 2, (offset
>> 2) + 1);
2810 res
= bld
.ds(op
, Definition(res
), address_offset
, m
, offset
);
2812 if (num_components
== 1) {
2813 assert(todo
== total_bytes
);
2814 if (dst
.type() == RegType::sgpr
)
2815 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), res
);
2819 if (dst
.type() == RegType::sgpr
)
2820 res
= bld
.as_uniform(res
);
2822 if (num_elements
== 1) {
2823 result
[result_size
++] = res
;
2825 assert(res
!= dst
&& res
.size() % num_elements
== 0);
2826 aco_ptr
<Pseudo_instruction
> split
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_split_vector
, Format::PSEUDO
, 1, num_elements
)};
2827 split
->operands
[0] = Operand(res
);
2828 for (unsigned i
= 0; i
< num_elements
; i
++)
2829 split
->definitions
[i
] = Definition(result
[result_size
++] = bld
.tmp(res
.type(), elem_size_bytes
/ 4));
2830 ctx
->block
->instructions
.emplace_back(std::move(split
));
2836 assert(result_size
== num_components
&& result_size
> 1);
2837 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, result_size
, 1)};
2838 for (unsigned i
= 0; i
< result_size
; i
++)
2839 vec
->operands
[i
] = Operand(result
[i
]);
2840 vec
->definitions
[0] = Definition(dst
);
2841 ctx
->block
->instructions
.emplace_back(std::move(vec
));
2842 ctx
->allocated_vec
.emplace(dst
.id(), result
);
2845 Temp
extract_subvector(isel_context
*ctx
, Temp data
, unsigned start
, unsigned size
, RegType type
)
2847 if (start
== 0 && size
== data
.size())
2848 return type
== RegType::vgpr
? as_vgpr(ctx
, data
) : data
;
2850 unsigned size_hint
= 1;
2851 auto it
= ctx
->allocated_vec
.find(data
.id());
2852 if (it
!= ctx
->allocated_vec
.end())
2853 size_hint
= it
->second
[0].size();
2854 if (size
% size_hint
|| start
% size_hint
)
2861 for (unsigned i
= 0; i
< size
; i
++)
2862 elems
[i
] = emit_extract_vector(ctx
, data
, start
+ i
, RegClass(type
, size_hint
));
2865 return type
== RegType::vgpr
? as_vgpr(ctx
, elems
[0]) : elems
[0];
2867 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, size
, 1)};
2868 for (unsigned i
= 0; i
< size
; i
++)
2869 vec
->operands
[i
] = Operand(elems
[i
]);
2870 Temp res
= {ctx
->program
->allocateId(), RegClass(type
, size
* size_hint
)};
2871 vec
->definitions
[0] = Definition(res
);
2872 ctx
->block
->instructions
.emplace_back(std::move(vec
));
2876 void ds_write_helper(isel_context
*ctx
, Operand m
, Temp address
, Temp data
, unsigned data_start
, unsigned total_size
, unsigned offset0
, unsigned offset1
, unsigned align
)
2878 Builder
bld(ctx
->program
, ctx
->block
);
2879 unsigned bytes_written
= 0;
2880 while (bytes_written
< total_size
* 4) {
2881 unsigned todo
= total_size
* 4 - bytes_written
;
2882 bool aligned8
= bytes_written
% 8 == 0 && align
% 8 == 0;
2883 bool aligned16
= bytes_written
% 16 == 0 && align
% 16 == 0;
2885 aco_opcode op
= aco_opcode::last_opcode
;
2886 bool write2
= false;
2888 if (todo
>= 16 && aligned16
) {
2889 op
= aco_opcode::ds_write_b128
;
2891 } else if (todo
>= 16 && aligned8
) {
2892 op
= aco_opcode::ds_write2_b64
;
2895 } else if (todo
>= 12 && aligned16
) {
2896 op
= aco_opcode::ds_write_b96
;
2898 } else if (todo
>= 8 && aligned8
) {
2899 op
= aco_opcode::ds_write_b64
;
2901 } else if (todo
>= 8) {
2902 op
= aco_opcode::ds_write2_b32
;
2905 } else if (todo
>= 4) {
2906 op
= aco_opcode::ds_write_b32
;
2912 unsigned offset
= offset0
+ offset1
+ bytes_written
;
2913 unsigned max_offset
= write2
? 1020 : 65535;
2914 Temp address_offset
= address
;
2915 if (offset
> max_offset
) {
2916 address_offset
= bld
.vadd32(bld
.def(v1
), Operand(offset0
), address_offset
);
2917 offset
= offset1
+ bytes_written
;
2919 assert(offset
<= max_offset
); /* offset1 shouldn't be large enough for this to happen */
2922 Temp val0
= extract_subvector(ctx
, data
, data_start
+ (bytes_written
>> 2), size
/ 2, RegType::vgpr
);
2923 Temp val1
= extract_subvector(ctx
, data
, data_start
+ (bytes_written
>> 2) + 1, size
/ 2, RegType::vgpr
);
2924 bld
.ds(op
, address_offset
, val0
, val1
, m
, offset
>> 2, (offset
>> 2) + 1);
2926 Temp val
= extract_subvector(ctx
, data
, data_start
+ (bytes_written
>> 2), size
, RegType::vgpr
);
2927 bld
.ds(op
, address_offset
, val
, m
, offset
);
2930 bytes_written
+= size
* 4;
2934 void store_lds(isel_context
*ctx
, unsigned elem_size_bytes
, Temp data
, uint32_t wrmask
,
2935 Temp address
, unsigned base_offset
, unsigned align
)
2937 assert(util_is_power_of_two_nonzero(align
) && align
>= 4);
2939 Operand m
= load_lds_size_m0(ctx
);
2941 /* we need at most two stores for 32bit variables */
2942 int start
[2], count
[2];
2943 u_bit_scan_consecutive_range(&wrmask
, &start
[0], &count
[0]);
2944 u_bit_scan_consecutive_range(&wrmask
, &start
[1], &count
[1]);
2945 assert(wrmask
== 0);
2947 /* one combined store is sufficient */
2948 if (count
[0] == count
[1]) {
2949 Builder
bld(ctx
->program
, ctx
->block
);
2951 Temp address_offset
= address
;
2952 if ((base_offset
>> 2) + start
[1] > 255) {
2953 address_offset
= bld
.vadd32(bld
.def(v1
), Operand(base_offset
), address_offset
);
2957 assert(count
[0] == 1);
2958 Temp val0
= emit_extract_vector(ctx
, data
, start
[0], v1
);
2959 Temp val1
= emit_extract_vector(ctx
, data
, start
[1], v1
);
2960 aco_opcode op
= elem_size_bytes
== 4 ? aco_opcode::ds_write2_b32
: aco_opcode::ds_write2_b64
;
2961 base_offset
= base_offset
/ elem_size_bytes
;
2962 bld
.ds(op
, address_offset
, val0
, val1
, m
,
2963 base_offset
+ start
[0], base_offset
+ start
[1]);
2967 for (unsigned i
= 0; i
< 2; i
++) {
2971 unsigned elem_size_words
= elem_size_bytes
/ 4;
2972 ds_write_helper(ctx
, m
, address
, data
, start
[i
] * elem_size_words
, count
[i
] * elem_size_words
,
2973 base_offset
, start
[i
] * elem_size_bytes
, align
);
2978 void visit_store_output(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
2980 if (ctx
->stage
== vertex_vs
) {
2981 visit_store_vs_output(ctx
, instr
);
2982 } else if (ctx
->stage
== fragment_fs
) {
2983 visit_store_fs_output(ctx
, instr
);
2985 unreachable("Shader stage not implemented");
2989 void emit_interp_instr(isel_context
*ctx
, unsigned idx
, unsigned component
, Temp src
, Temp dst
, Temp prim_mask
)
2991 Temp coord1
= emit_extract_vector(ctx
, src
, 0, v1
);
2992 Temp coord2
= emit_extract_vector(ctx
, src
, 1, v1
);
2994 Builder
bld(ctx
->program
, ctx
->block
);
2995 Temp tmp
= bld
.vintrp(aco_opcode::v_interp_p1_f32
, bld
.def(v1
), coord1
, bld
.m0(prim_mask
), idx
, component
);
2996 bld
.vintrp(aco_opcode::v_interp_p2_f32
, Definition(dst
), coord2
, bld
.m0(prim_mask
), tmp
, idx
, component
);
2999 void emit_load_frag_coord(isel_context
*ctx
, Temp dst
, unsigned num_components
)
3001 aco_ptr
<Pseudo_instruction
> vec(create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, num_components
, 1));
3002 for (unsigned i
= 0; i
< num_components
; i
++)
3003 vec
->operands
[i
] = Operand(get_arg(ctx
, ctx
->args
->ac
.frag_pos
[i
]));
3004 if (G_0286CC_POS_W_FLOAT_ENA(ctx
->program
->config
->spi_ps_input_ena
)) {
3005 assert(num_components
== 4);
3006 Builder
bld(ctx
->program
, ctx
->block
);
3007 vec
->operands
[3] = bld
.vop1(aco_opcode::v_rcp_f32
, bld
.def(v1
), get_arg(ctx
, ctx
->args
->ac
.frag_pos
[3]));
3010 for (Operand
& op
: vec
->operands
)
3011 op
= op
.isUndefined() ? Operand(0u) : op
;
3013 vec
->definitions
[0] = Definition(dst
);
3014 ctx
->block
->instructions
.emplace_back(std::move(vec
));
3015 emit_split_vector(ctx
, dst
, num_components
);
3019 void visit_load_interpolated_input(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3021 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
3022 Temp coords
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
3023 unsigned idx
= nir_intrinsic_base(instr
);
3024 unsigned component
= nir_intrinsic_component(instr
);
3025 Temp prim_mask
= get_arg(ctx
, ctx
->args
->ac
.prim_mask
);
3027 nir_const_value
* offset
= nir_src_as_const_value(instr
->src
[1]);
3029 assert(offset
->u32
== 0);
3031 /* the lower 15bit of the prim_mask contain the offset into LDS
3032 * while the upper bits contain the number of prims */
3033 Temp offset_src
= get_ssa_temp(ctx
, instr
->src
[1].ssa
);
3034 assert(offset_src
.regClass() == s1
&& "TODO: divergent offsets...");
3035 Builder
bld(ctx
->program
, ctx
->block
);
3036 Temp stride
= bld
.sop2(aco_opcode::s_lshr_b32
, bld
.def(s1
), bld
.def(s1
, scc
), prim_mask
, Operand(16u));
3037 stride
= bld
.sop1(aco_opcode::s_bcnt1_i32_b32
, bld
.def(s1
), bld
.def(s1
, scc
), stride
);
3038 stride
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), stride
, Operand(48u));
3039 offset_src
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), stride
, offset_src
);
3040 prim_mask
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
, m0
), bld
.def(s1
, scc
), offset_src
, prim_mask
);
3043 if (instr
->dest
.ssa
.num_components
== 1) {
3044 emit_interp_instr(ctx
, idx
, component
, coords
, dst
, prim_mask
);
3046 aco_ptr
<Pseudo_instruction
> vec(create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, instr
->dest
.ssa
.num_components
, 1));
3047 for (unsigned i
= 0; i
< instr
->dest
.ssa
.num_components
; i
++)
3049 Temp tmp
= {ctx
->program
->allocateId(), v1
};
3050 emit_interp_instr(ctx
, idx
, component
+i
, coords
, tmp
, prim_mask
);
3051 vec
->operands
[i
] = Operand(tmp
);
3053 vec
->definitions
[0] = Definition(dst
);
3054 ctx
->block
->instructions
.emplace_back(std::move(vec
));
3058 unsigned get_num_channels_from_data_format(unsigned data_format
)
3060 switch (data_format
) {
3061 case V_008F0C_BUF_DATA_FORMAT_8
:
3062 case V_008F0C_BUF_DATA_FORMAT_16
:
3063 case V_008F0C_BUF_DATA_FORMAT_32
:
3065 case V_008F0C_BUF_DATA_FORMAT_8_8
:
3066 case V_008F0C_BUF_DATA_FORMAT_16_16
:
3067 case V_008F0C_BUF_DATA_FORMAT_32_32
:
3069 case V_008F0C_BUF_DATA_FORMAT_10_11_11
:
3070 case V_008F0C_BUF_DATA_FORMAT_11_11_10
:
3071 case V_008F0C_BUF_DATA_FORMAT_32_32_32
:
3073 case V_008F0C_BUF_DATA_FORMAT_8_8_8_8
:
3074 case V_008F0C_BUF_DATA_FORMAT_10_10_10_2
:
3075 case V_008F0C_BUF_DATA_FORMAT_2_10_10_10
:
3076 case V_008F0C_BUF_DATA_FORMAT_16_16_16_16
:
3077 case V_008F0C_BUF_DATA_FORMAT_32_32_32_32
:
3086 /* For 2_10_10_10 formats the alpha is handled as unsigned by pre-vega HW.
3087 * so we may need to fix it up. */
3088 Temp
adjust_vertex_fetch_alpha(isel_context
*ctx
, unsigned adjustment
, Temp alpha
)
3090 Builder
bld(ctx
->program
, ctx
->block
);
3092 if (adjustment
== RADV_ALPHA_ADJUST_SSCALED
)
3093 alpha
= bld
.vop1(aco_opcode::v_cvt_u32_f32
, bld
.def(v1
), alpha
);
3095 /* For the integer-like cases, do a natural sign extension.
3097 * For the SNORM case, the values are 0.0, 0.333, 0.666, 1.0
3098 * and happen to contain 0, 1, 2, 3 as the two LSBs of the
3101 alpha
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(adjustment
== RADV_ALPHA_ADJUST_SNORM
? 7u : 30u), alpha
);
3102 alpha
= bld
.vop2(aco_opcode::v_ashrrev_i32
, bld
.def(v1
), Operand(30u), alpha
);
3104 /* Convert back to the right type. */
3105 if (adjustment
== RADV_ALPHA_ADJUST_SNORM
) {
3106 alpha
= bld
.vop1(aco_opcode::v_cvt_f32_i32
, bld
.def(v1
), alpha
);
3107 Temp clamp
= bld
.vopc(aco_opcode::v_cmp_le_f32
, bld
.hint_vcc(bld
.def(bld
.lm
)), Operand(0xbf800000u
), alpha
);
3108 alpha
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0xbf800000u
), alpha
, clamp
);
3109 } else if (adjustment
== RADV_ALPHA_ADJUST_SSCALED
) {
3110 alpha
= bld
.vop1(aco_opcode::v_cvt_f32_i32
, bld
.def(v1
), alpha
);
3116 void visit_load_input(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3118 Builder
bld(ctx
->program
, ctx
->block
);
3119 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
3120 if (ctx
->stage
& sw_vs
) {
3122 nir_instr
*off_instr
= instr
->src
[0].ssa
->parent_instr
;
3123 if (off_instr
->type
!= nir_instr_type_load_const
) {
3124 fprintf(stderr
, "Unimplemented nir_intrinsic_load_input offset\n");
3125 nir_print_instr(off_instr
, stderr
);
3126 fprintf(stderr
, "\n");
3128 uint32_t offset
= nir_instr_as_load_const(off_instr
)->value
[0].u32
;
3130 Temp vertex_buffers
= convert_pointer_to_64_bit(ctx
, get_arg(ctx
, ctx
->args
->vertex_buffers
));
3132 unsigned location
= nir_intrinsic_base(instr
) / 4 - VERT_ATTRIB_GENERIC0
+ offset
;
3133 unsigned component
= nir_intrinsic_component(instr
);
3134 unsigned attrib_binding
= ctx
->options
->key
.vs
.vertex_attribute_bindings
[location
];
3135 uint32_t attrib_offset
= ctx
->options
->key
.vs
.vertex_attribute_offsets
[location
];
3136 uint32_t attrib_stride
= ctx
->options
->key
.vs
.vertex_attribute_strides
[location
];
3137 unsigned attrib_format
= ctx
->options
->key
.vs
.vertex_attribute_formats
[location
];
3139 unsigned dfmt
= attrib_format
& 0xf;
3141 unsigned nfmt
= (attrib_format
>> 4) & 0x7;
3142 unsigned num_dfmt_channels
= get_num_channels_from_data_format(dfmt
);
3143 unsigned mask
= nir_ssa_def_components_read(&instr
->dest
.ssa
) << component
;
3144 unsigned num_channels
= MIN2(util_last_bit(mask
), num_dfmt_channels
);
3145 unsigned alpha_adjust
= (ctx
->options
->key
.vs
.alpha_adjust
>> (location
* 2)) & 3;
3146 bool post_shuffle
= ctx
->options
->key
.vs
.post_shuffle
& (1 << location
);
3148 num_channels
= MAX2(num_channels
, 3);
3150 Temp list
= bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), vertex_buffers
, Operand(attrib_binding
* 16u));
3153 if (ctx
->options
->key
.vs
.instance_rate_inputs
& (1u << location
)) {
3154 uint32_t divisor
= ctx
->options
->key
.vs
.instance_rate_divisors
[location
];
3155 Temp start_instance
= get_arg(ctx
, ctx
->args
->ac
.start_instance
);
3157 ctx
->needs_instance_id
= true;
3158 Temp instance_id
= get_arg(ctx
, ctx
->args
->ac
.instance_id
);
3160 Temp divided
= bld
.tmp(v1
);
3161 emit_v_div_u32(ctx
, divided
, as_vgpr(ctx
, instance_id
), divisor
);
3162 index
= bld
.vadd32(bld
.def(v1
), start_instance
, divided
);
3164 index
= bld
.vadd32(bld
.def(v1
), start_instance
, instance_id
);
3167 index
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), start_instance
);
3170 index
= bld
.vadd32(bld
.def(v1
),
3171 get_arg(ctx
, ctx
->args
->ac
.base_vertex
),
3172 get_arg(ctx
, ctx
->args
->ac
.vertex_id
));
3175 if (attrib_stride
!= 0 && attrib_offset
> attrib_stride
) {
3176 index
= bld
.vadd32(bld
.def(v1
), Operand(attrib_offset
/ attrib_stride
), index
);
3177 attrib_offset
= attrib_offset
% attrib_stride
;
3180 Operand
soffset(0u);
3181 if (attrib_offset
>= 4096) {
3182 soffset
= bld
.copy(bld
.def(s1
), Operand(attrib_offset
));
3187 switch (num_channels
) {
3189 opcode
= aco_opcode::tbuffer_load_format_x
;
3192 opcode
= aco_opcode::tbuffer_load_format_xy
;
3195 opcode
= aco_opcode::tbuffer_load_format_xyz
;
3198 opcode
= aco_opcode::tbuffer_load_format_xyzw
;
3201 unreachable("Unimplemented load_input vector size");
3204 Temp tmp
= post_shuffle
|| num_channels
!= dst
.size() || alpha_adjust
!= RADV_ALPHA_ADJUST_NONE
|| component
? bld
.tmp(RegType::vgpr
, num_channels
) : dst
;
3206 aco_ptr
<MTBUF_instruction
> mubuf
{create_instruction
<MTBUF_instruction
>(opcode
, Format::MTBUF
, 3, 1)};
3207 mubuf
->operands
[0] = Operand(index
);
3208 mubuf
->operands
[1] = Operand(list
);
3209 mubuf
->operands
[2] = soffset
;
3210 mubuf
->definitions
[0] = Definition(tmp
);
3211 mubuf
->idxen
= true;
3212 mubuf
->can_reorder
= true;
3215 assert(attrib_offset
< 4096);
3216 mubuf
->offset
= attrib_offset
;
3217 ctx
->block
->instructions
.emplace_back(std::move(mubuf
));
3219 emit_split_vector(ctx
, tmp
, tmp
.size());
3221 if (tmp
.id() != dst
.id()) {
3222 bool is_float
= nfmt
!= V_008F0C_BUF_NUM_FORMAT_UINT
&&
3223 nfmt
!= V_008F0C_BUF_NUM_FORMAT_SINT
;
3225 static const unsigned swizzle_normal
[4] = {0, 1, 2, 3};
3226 static const unsigned swizzle_post_shuffle
[4] = {2, 1, 0, 3};
3227 const unsigned *swizzle
= post_shuffle
? swizzle_post_shuffle
: swizzle_normal
;
3229 aco_ptr
<Instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, dst
.size(), 1)};
3230 for (unsigned i
= 0; i
< dst
.size(); i
++) {
3231 unsigned idx
= i
+ component
;
3232 if (idx
== 3 && alpha_adjust
!= RADV_ALPHA_ADJUST_NONE
&& num_channels
>= 4) {
3233 Temp alpha
= emit_extract_vector(ctx
, tmp
, swizzle
[3], v1
);
3234 vec
->operands
[3] = Operand(adjust_vertex_fetch_alpha(ctx
, alpha_adjust
, alpha
));
3235 } else if (idx
< num_channels
) {
3236 vec
->operands
[i
] = Operand(emit_extract_vector(ctx
, tmp
, swizzle
[idx
], v1
));
3237 } else if (is_float
&& idx
== 3) {
3238 vec
->operands
[i
] = Operand(0x3f800000u
);
3239 } else if (!is_float
&& idx
== 3) {
3240 vec
->operands
[i
] = Operand(1u);
3242 vec
->operands
[i
] = Operand(0u);
3245 vec
->definitions
[0] = Definition(dst
);
3246 ctx
->block
->instructions
.emplace_back(std::move(vec
));
3247 emit_split_vector(ctx
, dst
, dst
.size());
3250 } else if (ctx
->stage
== fragment_fs
) {
3251 nir_instr
*off_instr
= instr
->src
[0].ssa
->parent_instr
;
3252 if (off_instr
->type
!= nir_instr_type_load_const
||
3253 nir_instr_as_load_const(off_instr
)->value
[0].u32
!= 0) {
3254 fprintf(stderr
, "Unimplemented nir_intrinsic_load_input offset\n");
3255 nir_print_instr(off_instr
, stderr
);
3256 fprintf(stderr
, "\n");
3259 Temp prim_mask
= get_arg(ctx
, ctx
->args
->ac
.prim_mask
);
3260 nir_const_value
* offset
= nir_src_as_const_value(instr
->src
[0]);
3262 assert(offset
->u32
== 0);
3264 /* the lower 15bit of the prim_mask contain the offset into LDS
3265 * while the upper bits contain the number of prims */
3266 Temp offset_src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
3267 assert(offset_src
.regClass() == s1
&& "TODO: divergent offsets...");
3268 Builder
bld(ctx
->program
, ctx
->block
);
3269 Temp stride
= bld
.sop2(aco_opcode::s_lshr_b32
, bld
.def(s1
), bld
.def(s1
, scc
), prim_mask
, Operand(16u));
3270 stride
= bld
.sop1(aco_opcode::s_bcnt1_i32_b32
, bld
.def(s1
), bld
.def(s1
, scc
), stride
);
3271 stride
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), stride
, Operand(48u));
3272 offset_src
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), stride
, offset_src
);
3273 prim_mask
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
, m0
), bld
.def(s1
, scc
), offset_src
, prim_mask
);
3276 unsigned idx
= nir_intrinsic_base(instr
);
3277 unsigned component
= nir_intrinsic_component(instr
);
3279 if (dst
.size() == 1) {
3280 bld
.vintrp(aco_opcode::v_interp_mov_f32
, Definition(dst
), Operand(2u), bld
.m0(prim_mask
), idx
, component
);
3282 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, dst
.size(), 1)};
3283 for (unsigned i
= 0; i
< dst
.size(); i
++)
3284 vec
->operands
[i
] = bld
.vintrp(aco_opcode::v_interp_mov_f32
, bld
.def(v1
), Operand(2u), bld
.m0(prim_mask
), idx
, component
+ i
);
3285 vec
->definitions
[0] = Definition(dst
);
3286 bld
.insert(std::move(vec
));
3290 unreachable("Shader stage not implemented");
3294 Temp
load_desc_ptr(isel_context
*ctx
, unsigned desc_set
)
3296 if (ctx
->program
->info
->need_indirect_descriptor_sets
) {
3297 Builder
bld(ctx
->program
, ctx
->block
);
3298 Temp ptr64
= convert_pointer_to_64_bit(ctx
, get_arg(ctx
, ctx
->args
->descriptor_sets
[0]));
3299 return bld
.smem(aco_opcode::s_load_dword
, bld
.def(s1
), ptr64
, Operand(desc_set
<< 2));//, false, false, false);
3302 return get_arg(ctx
, ctx
->args
->descriptor_sets
[desc_set
]);
3306 void visit_load_resource(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3308 Builder
bld(ctx
->program
, ctx
->block
);
3309 Temp index
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
3310 if (!ctx
->divergent_vals
[instr
->dest
.ssa
.index
])
3311 index
= bld
.as_uniform(index
);
3312 unsigned desc_set
= nir_intrinsic_desc_set(instr
);
3313 unsigned binding
= nir_intrinsic_binding(instr
);
3316 radv_pipeline_layout
*pipeline_layout
= ctx
->options
->layout
;
3317 radv_descriptor_set_layout
*layout
= pipeline_layout
->set
[desc_set
].layout
;
3318 unsigned offset
= layout
->binding
[binding
].offset
;
3320 if (layout
->binding
[binding
].type
== VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC
||
3321 layout
->binding
[binding
].type
== VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC
) {
3322 unsigned idx
= pipeline_layout
->set
[desc_set
].dynamic_offset_start
+ layout
->binding
[binding
].dynamic_offset_offset
;
3323 desc_ptr
= get_arg(ctx
, ctx
->args
->ac
.push_constants
);
3324 offset
= pipeline_layout
->push_constant_size
+ 16 * idx
;
3327 desc_ptr
= load_desc_ptr(ctx
, desc_set
);
3328 stride
= layout
->binding
[binding
].size
;
3331 nir_const_value
* nir_const_index
= nir_src_as_const_value(instr
->src
[0]);
3332 unsigned const_index
= nir_const_index
? nir_const_index
->u32
: 0;
3334 if (nir_const_index
) {
3335 const_index
= const_index
* stride
;
3336 } else if (index
.type() == RegType::vgpr
) {
3337 bool index24bit
= layout
->binding
[binding
].array_size
<= 0x1000000;
3338 index
= bld
.v_mul_imm(bld
.def(v1
), index
, stride
, index24bit
);
3340 index
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), Operand(stride
), Operand(index
));
3344 if (nir_const_index
) {
3345 const_index
= const_index
+ offset
;
3346 } else if (index
.type() == RegType::vgpr
) {
3347 index
= bld
.vadd32(bld
.def(v1
), Operand(offset
), index
);
3349 index
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(offset
), Operand(index
));
3353 if (nir_const_index
&& const_index
== 0) {
3355 } else if (index
.type() == RegType::vgpr
) {
3356 index
= bld
.vadd32(bld
.def(v1
),
3357 nir_const_index
? Operand(const_index
) : Operand(index
),
3360 index
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
),
3361 nir_const_index
? Operand(const_index
) : Operand(index
),
3365 bld
.copy(Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), index
);
3368 void load_buffer(isel_context
*ctx
, unsigned num_components
, Temp dst
,
3369 Temp rsrc
, Temp offset
, bool glc
=false, bool readonly
=true)
3371 Builder
bld(ctx
->program
, ctx
->block
);
3373 unsigned num_bytes
= dst
.size() * 4;
3374 bool dlc
= glc
&& ctx
->options
->chip_class
>= GFX10
;
3377 if (dst
.type() == RegType::vgpr
|| (ctx
->options
->chip_class
< GFX8
&& !readonly
)) {
3378 Operand vaddr
= offset
.type() == RegType::vgpr
? Operand(offset
) : Operand(v1
);
3379 Operand soffset
= offset
.type() == RegType::sgpr
? Operand(offset
) : Operand((uint32_t) 0);
3380 unsigned const_offset
= 0;
3382 Temp lower
= Temp();
3383 if (num_bytes
> 16) {
3384 assert(num_components
== 3 || num_components
== 4);
3385 op
= aco_opcode::buffer_load_dwordx4
;
3386 lower
= bld
.tmp(v4
);
3387 aco_ptr
<MUBUF_instruction
> mubuf
{create_instruction
<MUBUF_instruction
>(op
, Format::MUBUF
, 3, 1)};
3388 mubuf
->definitions
[0] = Definition(lower
);
3389 mubuf
->operands
[0] = vaddr
;
3390 mubuf
->operands
[1] = Operand(rsrc
);
3391 mubuf
->operands
[2] = soffset
;
3392 mubuf
->offen
= (offset
.type() == RegType::vgpr
);
3395 mubuf
->barrier
= readonly
? barrier_none
: barrier_buffer
;
3396 mubuf
->can_reorder
= readonly
;
3397 bld
.insert(std::move(mubuf
));
3398 emit_split_vector(ctx
, lower
, 2);
3403 switch (num_bytes
) {
3405 op
= aco_opcode::buffer_load_dword
;
3408 op
= aco_opcode::buffer_load_dwordx2
;
3411 op
= aco_opcode::buffer_load_dwordx3
;
3414 op
= aco_opcode::buffer_load_dwordx4
;
3417 unreachable("Load SSBO not implemented for this size.");
3419 aco_ptr
<MUBUF_instruction
> mubuf
{create_instruction
<MUBUF_instruction
>(op
, Format::MUBUF
, 3, 1)};
3420 mubuf
->operands
[0] = vaddr
;
3421 mubuf
->operands
[1] = Operand(rsrc
);
3422 mubuf
->operands
[2] = soffset
;
3423 mubuf
->offen
= (offset
.type() == RegType::vgpr
);
3426 mubuf
->barrier
= readonly
? barrier_none
: barrier_buffer
;
3427 mubuf
->can_reorder
= readonly
;
3428 mubuf
->offset
= const_offset
;
3429 aco_ptr
<Instruction
> instr
= std::move(mubuf
);
3431 if (dst
.size() > 4) {
3432 assert(lower
!= Temp());
3433 Temp upper
= bld
.tmp(RegType::vgpr
, dst
.size() - lower
.size());
3434 instr
->definitions
[0] = Definition(upper
);
3435 bld
.insert(std::move(instr
));
3436 if (dst
.size() == 8)
3437 emit_split_vector(ctx
, upper
, 2);
3438 instr
.reset(create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, dst
.size() / 2, 1));
3439 instr
->operands
[0] = Operand(emit_extract_vector(ctx
, lower
, 0, v2
));
3440 instr
->operands
[1] = Operand(emit_extract_vector(ctx
, lower
, 1, v2
));
3441 instr
->operands
[2] = Operand(emit_extract_vector(ctx
, upper
, 0, v2
));
3442 if (dst
.size() == 8)
3443 instr
->operands
[3] = Operand(emit_extract_vector(ctx
, upper
, 1, v2
));
3446 if (dst
.type() == RegType::sgpr
) {
3447 Temp vec
= bld
.tmp(RegType::vgpr
, dst
.size());
3448 instr
->definitions
[0] = Definition(vec
);
3449 bld
.insert(std::move(instr
));
3450 expand_vector(ctx
, vec
, dst
, num_components
, (1 << num_components
) - 1);
3452 instr
->definitions
[0] = Definition(dst
);
3453 bld
.insert(std::move(instr
));
3454 emit_split_vector(ctx
, dst
, num_components
);
3457 switch (num_bytes
) {
3459 op
= aco_opcode::s_buffer_load_dword
;
3462 op
= aco_opcode::s_buffer_load_dwordx2
;
3466 op
= aco_opcode::s_buffer_load_dwordx4
;
3470 op
= aco_opcode::s_buffer_load_dwordx8
;
3473 unreachable("Load SSBO not implemented for this size.");
3475 aco_ptr
<SMEM_instruction
> load
{create_instruction
<SMEM_instruction
>(op
, Format::SMEM
, 2, 1)};
3476 load
->operands
[0] = Operand(rsrc
);
3477 load
->operands
[1] = Operand(bld
.as_uniform(offset
));
3478 assert(load
->operands
[1].getTemp().type() == RegType::sgpr
);
3479 load
->definitions
[0] = Definition(dst
);
3482 load
->barrier
= readonly
? barrier_none
: barrier_buffer
;
3483 load
->can_reorder
= false; // FIXME: currently, it doesn't seem beneficial due to how our scheduler works
3484 assert(ctx
->options
->chip_class
>= GFX8
|| !glc
);
3487 if (dst
.size() == 3) {
3488 Temp vec
= bld
.tmp(s4
);
3489 load
->definitions
[0] = Definition(vec
);
3490 bld
.insert(std::move(load
));
3491 emit_split_vector(ctx
, vec
, 4);
3493 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
3494 emit_extract_vector(ctx
, vec
, 0, s1
),
3495 emit_extract_vector(ctx
, vec
, 1, s1
),
3496 emit_extract_vector(ctx
, vec
, 2, s1
));
3497 } else if (dst
.size() == 6) {
3498 Temp vec
= bld
.tmp(s8
);
3499 load
->definitions
[0] = Definition(vec
);
3500 bld
.insert(std::move(load
));
3501 emit_split_vector(ctx
, vec
, 4);
3503 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
3504 emit_extract_vector(ctx
, vec
, 0, s2
),
3505 emit_extract_vector(ctx
, vec
, 1, s2
),
3506 emit_extract_vector(ctx
, vec
, 2, s2
));
3508 bld
.insert(std::move(load
));
3510 emit_split_vector(ctx
, dst
, num_components
);
3514 void visit_load_ubo(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3516 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
3517 Temp rsrc
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
3519 Builder
bld(ctx
->program
, ctx
->block
);
3521 nir_intrinsic_instr
* idx_instr
= nir_instr_as_intrinsic(instr
->src
[0].ssa
->parent_instr
);
3522 unsigned desc_set
= nir_intrinsic_desc_set(idx_instr
);
3523 unsigned binding
= nir_intrinsic_binding(idx_instr
);
3524 radv_descriptor_set_layout
*layout
= ctx
->options
->layout
->set
[desc_set
].layout
;
3526 if (layout
->binding
[binding
].type
== VK_DESCRIPTOR_TYPE_INLINE_UNIFORM_BLOCK_EXT
) {
3527 uint32_t desc_type
= S_008F0C_DST_SEL_X(V_008F0C_SQ_SEL_X
) |
3528 S_008F0C_DST_SEL_Y(V_008F0C_SQ_SEL_Y
) |
3529 S_008F0C_DST_SEL_Z(V_008F0C_SQ_SEL_Z
) |
3530 S_008F0C_DST_SEL_W(V_008F0C_SQ_SEL_W
);
3531 if (ctx
->options
->chip_class
>= GFX10
) {
3532 desc_type
|= S_008F0C_FORMAT(V_008F0C_IMG_FORMAT_32_FLOAT
) |
3533 S_008F0C_OOB_SELECT(3) |
3534 S_008F0C_RESOURCE_LEVEL(1);
3536 desc_type
|= S_008F0C_NUM_FORMAT(V_008F0C_BUF_NUM_FORMAT_FLOAT
) |
3537 S_008F0C_DATA_FORMAT(V_008F0C_BUF_DATA_FORMAT_32
);
3539 Temp upper_dwords
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s3
),
3540 Operand(S_008F04_BASE_ADDRESS_HI(ctx
->options
->address32_hi
)),
3541 Operand(0xFFFFFFFFu
),
3542 Operand(desc_type
));
3543 rsrc
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s4
),
3544 rsrc
, upper_dwords
);
3546 rsrc
= convert_pointer_to_64_bit(ctx
, rsrc
);
3547 rsrc
= bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), rsrc
, Operand(0u));
3550 load_buffer(ctx
, instr
->num_components
, dst
, rsrc
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
3553 void visit_load_push_constant(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3555 Builder
bld(ctx
->program
, ctx
->block
);
3556 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
3558 unsigned offset
= nir_intrinsic_base(instr
);
3559 nir_const_value
*index_cv
= nir_src_as_const_value(instr
->src
[0]);
3560 if (index_cv
&& instr
->dest
.ssa
.bit_size
== 32) {
3562 unsigned count
= instr
->dest
.ssa
.num_components
;
3563 unsigned start
= (offset
+ index_cv
->u32
) / 4u;
3564 start
-= ctx
->args
->ac
.base_inline_push_consts
;
3565 if (start
+ count
<= ctx
->args
->ac
.num_inline_push_consts
) {
3566 std::array
<Temp
,NIR_MAX_VEC_COMPONENTS
> elems
;
3567 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, count
, 1)};
3568 for (unsigned i
= 0; i
< count
; ++i
) {
3569 elems
[i
] = get_arg(ctx
, ctx
->args
->ac
.inline_push_consts
[start
+ i
]);
3570 vec
->operands
[i
] = Operand
{elems
[i
]};
3572 vec
->definitions
[0] = Definition(dst
);
3573 ctx
->block
->instructions
.emplace_back(std::move(vec
));
3574 ctx
->allocated_vec
.emplace(dst
.id(), elems
);
3579 Temp index
= bld
.as_uniform(get_ssa_temp(ctx
, instr
->src
[0].ssa
));
3580 if (offset
!= 0) // TODO check if index != 0 as well
3581 index
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(offset
), index
);
3582 Temp ptr
= convert_pointer_to_64_bit(ctx
, get_arg(ctx
, ctx
->args
->ac
.push_constants
));
3587 switch (dst
.size()) {
3589 op
= aco_opcode::s_load_dword
;
3592 op
= aco_opcode::s_load_dwordx2
;
3598 op
= aco_opcode::s_load_dwordx4
;
3604 op
= aco_opcode::s_load_dwordx8
;
3607 unreachable("unimplemented or forbidden load_push_constant.");
3610 bld
.smem(op
, Definition(vec
), ptr
, index
);
3613 emit_split_vector(ctx
, vec
, 4);
3614 RegClass rc
= dst
.size() == 3 ? s1
: s2
;
3615 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
3616 emit_extract_vector(ctx
, vec
, 0, rc
),
3617 emit_extract_vector(ctx
, vec
, 1, rc
),
3618 emit_extract_vector(ctx
, vec
, 2, rc
));
3621 emit_split_vector(ctx
, dst
, instr
->dest
.ssa
.num_components
);
3624 void visit_load_constant(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3626 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
3628 Builder
bld(ctx
->program
, ctx
->block
);
3630 uint32_t desc_type
= S_008F0C_DST_SEL_X(V_008F0C_SQ_SEL_X
) |
3631 S_008F0C_DST_SEL_Y(V_008F0C_SQ_SEL_Y
) |
3632 S_008F0C_DST_SEL_Z(V_008F0C_SQ_SEL_Z
) |
3633 S_008F0C_DST_SEL_W(V_008F0C_SQ_SEL_W
);
3634 if (ctx
->options
->chip_class
>= GFX10
) {
3635 desc_type
|= S_008F0C_FORMAT(V_008F0C_IMG_FORMAT_32_FLOAT
) |
3636 S_008F0C_OOB_SELECT(3) |
3637 S_008F0C_RESOURCE_LEVEL(1);
3639 desc_type
|= S_008F0C_NUM_FORMAT(V_008F0C_BUF_NUM_FORMAT_FLOAT
) |
3640 S_008F0C_DATA_FORMAT(V_008F0C_BUF_DATA_FORMAT_32
);
3643 unsigned base
= nir_intrinsic_base(instr
);
3644 unsigned range
= nir_intrinsic_range(instr
);
3646 Temp offset
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
3647 if (base
&& offset
.type() == RegType::sgpr
)
3648 offset
= bld
.sop2(aco_opcode::s_add_u32
, bld
.def(s1
), bld
.def(s1
, scc
), offset
, Operand(base
));
3649 else if (base
&& offset
.type() == RegType::vgpr
)
3650 offset
= bld
.vadd32(bld
.def(v1
), Operand(base
), offset
);
3652 Temp rsrc
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s4
),
3653 bld
.sop1(aco_opcode::p_constaddr
, bld
.def(s2
), bld
.def(s1
, scc
), Operand(ctx
->constant_data_offset
)),
3654 Operand(MIN2(base
+ range
, ctx
->shader
->constant_data_size
)),
3655 Operand(desc_type
));
3657 load_buffer(ctx
, instr
->num_components
, dst
, rsrc
, offset
);
3660 void visit_discard_if(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
3662 if (ctx
->cf_info
.loop_nest_depth
|| ctx
->cf_info
.parent_if
.is_divergent
)
3663 ctx
->cf_info
.exec_potentially_empty
= true;
3665 ctx
->program
->needs_exact
= true;
3667 // TODO: optimize uniform conditions
3668 Builder
bld(ctx
->program
, ctx
->block
);
3669 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
3670 assert(src
.regClass() == bld
.lm
);
3671 src
= bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), src
, Operand(exec
, bld
.lm
));
3672 bld
.pseudo(aco_opcode::p_discard_if
, src
);
3673 ctx
->block
->kind
|= block_kind_uses_discard_if
;
3677 void visit_discard(isel_context
* ctx
, nir_intrinsic_instr
*instr
)
3679 Builder
bld(ctx
->program
, ctx
->block
);
3681 if (ctx
->cf_info
.loop_nest_depth
|| ctx
->cf_info
.parent_if
.is_divergent
)
3682 ctx
->cf_info
.exec_potentially_empty
= true;
3684 bool divergent
= ctx
->cf_info
.parent_if
.is_divergent
||
3685 ctx
->cf_info
.parent_loop
.has_divergent_continue
;
3687 if (ctx
->block
->loop_nest_depth
&&
3688 ((nir_instr_is_last(&instr
->instr
) && !divergent
) || divergent
)) {
3689 /* we handle discards the same way as jump instructions */
3690 append_logical_end(ctx
->block
);
3692 /* in loops, discard behaves like break */
3693 Block
*linear_target
= ctx
->cf_info
.parent_loop
.exit
;
3694 ctx
->block
->kind
|= block_kind_discard
;
3697 /* uniform discard - loop ends here */
3698 assert(nir_instr_is_last(&instr
->instr
));
3699 ctx
->block
->kind
|= block_kind_uniform
;
3700 ctx
->cf_info
.has_branch
= true;
3701 bld
.branch(aco_opcode::p_branch
);
3702 add_linear_edge(ctx
->block
->index
, linear_target
);
3706 /* we add a break right behind the discard() instructions */
3707 ctx
->block
->kind
|= block_kind_break
;
3708 unsigned idx
= ctx
->block
->index
;
3710 /* remove critical edges from linear CFG */
3711 bld
.branch(aco_opcode::p_branch
);
3712 Block
* break_block
= ctx
->program
->create_and_insert_block();
3713 break_block
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
3714 break_block
->kind
|= block_kind_uniform
;
3715 add_linear_edge(idx
, break_block
);
3716 add_linear_edge(break_block
->index
, linear_target
);
3717 bld
.reset(break_block
);
3718 bld
.branch(aco_opcode::p_branch
);
3720 Block
* continue_block
= ctx
->program
->create_and_insert_block();
3721 continue_block
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
3722 add_linear_edge(idx
, continue_block
);
3723 append_logical_start(continue_block
);
3724 ctx
->block
= continue_block
;
3729 /* it can currently happen that NIR doesn't remove the unreachable code */
3730 if (!nir_instr_is_last(&instr
->instr
)) {
3731 ctx
->program
->needs_exact
= true;
3732 /* save exec somewhere temporarily so that it doesn't get
3733 * overwritten before the discard from outer exec masks */
3734 Temp cond
= bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), Operand(0xFFFFFFFF), Operand(exec
, bld
.lm
));
3735 bld
.pseudo(aco_opcode::p_discard_if
, cond
);
3736 ctx
->block
->kind
|= block_kind_uses_discard_if
;
3740 /* This condition is incorrect for uniformly branched discards in a loop
3741 * predicated by a divergent condition, but the above code catches that case
3742 * and the discard would end up turning into a discard_if.
3752 if (!ctx
->cf_info
.parent_if
.is_divergent
) {
3753 /* program just ends here */
3754 ctx
->block
->kind
|= block_kind_uniform
;
3755 bld
.exp(aco_opcode::exp
, Operand(v1
), Operand(v1
), Operand(v1
), Operand(v1
),
3756 0 /* enabled mask */, 9 /* dest */,
3757 false /* compressed */, true/* done */, true /* valid mask */);
3758 bld
.sopp(aco_opcode::s_endpgm
);
3759 // TODO: it will potentially be followed by a branch which is dead code to sanitize NIR phis
3761 ctx
->block
->kind
|= block_kind_discard
;
3762 /* branch and linear edge is added by visit_if() */
3766 enum aco_descriptor_type
{
3777 should_declare_array(isel_context
*ctx
, enum glsl_sampler_dim sampler_dim
, bool is_array
) {
3778 if (sampler_dim
== GLSL_SAMPLER_DIM_BUF
)
3780 ac_image_dim dim
= ac_get_sampler_dim(ctx
->options
->chip_class
, sampler_dim
, is_array
);
3781 return dim
== ac_image_cube
||
3782 dim
== ac_image_1darray
||
3783 dim
== ac_image_2darray
||
3784 dim
== ac_image_2darraymsaa
;
3787 Temp
get_sampler_desc(isel_context
*ctx
, nir_deref_instr
*deref_instr
,
3788 enum aco_descriptor_type desc_type
,
3789 const nir_tex_instr
*tex_instr
, bool image
, bool write
)
3791 /* FIXME: we should lower the deref with some new nir_intrinsic_load_desc
3792 std::unordered_map<uint64_t, Temp>::iterator it = ctx->tex_desc.find((uint64_t) desc_type << 32 | deref_instr->dest.ssa.index);
3793 if (it != ctx->tex_desc.end())
3796 Temp index
= Temp();
3797 bool index_set
= false;
3798 unsigned constant_index
= 0;
3799 unsigned descriptor_set
;
3800 unsigned base_index
;
3801 Builder
bld(ctx
->program
, ctx
->block
);
3804 assert(tex_instr
&& !image
);
3806 base_index
= tex_instr
->sampler_index
;
3808 while(deref_instr
->deref_type
!= nir_deref_type_var
) {
3809 unsigned array_size
= glsl_get_aoa_size(deref_instr
->type
);
3813 assert(deref_instr
->deref_type
== nir_deref_type_array
);
3814 nir_const_value
*const_value
= nir_src_as_const_value(deref_instr
->arr
.index
);
3816 constant_index
+= array_size
* const_value
->u32
;
3818 Temp indirect
= get_ssa_temp(ctx
, deref_instr
->arr
.index
.ssa
);
3819 if (indirect
.type() == RegType::vgpr
)
3820 indirect
= bld
.vop1(aco_opcode::v_readfirstlane_b32
, bld
.def(s1
), indirect
);
3822 if (array_size
!= 1)
3823 indirect
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), Operand(array_size
), indirect
);
3829 index
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
), index
, indirect
);
3833 deref_instr
= nir_src_as_deref(deref_instr
->parent
);
3835 descriptor_set
= deref_instr
->var
->data
.descriptor_set
;
3836 base_index
= deref_instr
->var
->data
.binding
;
3839 Temp list
= load_desc_ptr(ctx
, descriptor_set
);
3840 list
= convert_pointer_to_64_bit(ctx
, list
);
3842 struct radv_descriptor_set_layout
*layout
= ctx
->options
->layout
->set
[descriptor_set
].layout
;
3843 struct radv_descriptor_set_binding_layout
*binding
= layout
->binding
+ base_index
;
3844 unsigned offset
= binding
->offset
;
3845 unsigned stride
= binding
->size
;
3849 assert(base_index
< layout
->binding_count
);
3851 switch (desc_type
) {
3852 case ACO_DESC_IMAGE
:
3854 opcode
= aco_opcode::s_load_dwordx8
;
3856 case ACO_DESC_FMASK
:
3858 opcode
= aco_opcode::s_load_dwordx8
;
3861 case ACO_DESC_SAMPLER
:
3863 opcode
= aco_opcode::s_load_dwordx4
;
3864 if (binding
->type
== VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER
)
3865 offset
+= radv_combined_image_descriptor_sampler_offset(binding
);
3867 case ACO_DESC_BUFFER
:
3869 opcode
= aco_opcode::s_load_dwordx4
;
3871 case ACO_DESC_PLANE_0
:
3872 case ACO_DESC_PLANE_1
:
3874 opcode
= aco_opcode::s_load_dwordx8
;
3875 offset
+= 32 * (desc_type
- ACO_DESC_PLANE_0
);
3877 case ACO_DESC_PLANE_2
:
3879 opcode
= aco_opcode::s_load_dwordx4
;
3883 unreachable("invalid desc_type\n");
3886 offset
+= constant_index
* stride
;
3888 if (desc_type
== ACO_DESC_SAMPLER
&& binding
->immutable_samplers_offset
&&
3889 (!index_set
|| binding
->immutable_samplers_equal
)) {
3890 if (binding
->immutable_samplers_equal
)
3893 const uint32_t *samplers
= radv_immutable_samplers(layout
, binding
);
3894 return bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s4
),
3895 Operand(samplers
[constant_index
* 4 + 0]),
3896 Operand(samplers
[constant_index
* 4 + 1]),
3897 Operand(samplers
[constant_index
* 4 + 2]),
3898 Operand(samplers
[constant_index
* 4 + 3]));
3903 off
= Operand(offset
);
3905 off
= Operand((Temp
)bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(offset
),
3906 bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), Operand(stride
), index
)));
3909 Temp res
= bld
.smem(opcode
, bld
.def(type
), list
, off
);
3911 if (desc_type
== ACO_DESC_PLANE_2
) {
3913 for (unsigned i
= 0; i
< 8; i
++)
3914 components
[i
] = bld
.tmp(s1
);
3915 bld
.pseudo(aco_opcode::p_split_vector
,
3916 Definition(components
[0]),
3917 Definition(components
[1]),
3918 Definition(components
[2]),
3919 Definition(components
[3]),
3922 Temp desc2
= get_sampler_desc(ctx
, deref_instr
, ACO_DESC_PLANE_1
, tex_instr
, image
, write
);
3923 bld
.pseudo(aco_opcode::p_split_vector
,
3924 bld
.def(s1
), bld
.def(s1
), bld
.def(s1
), bld
.def(s1
),
3925 Definition(components
[4]),
3926 Definition(components
[5]),
3927 Definition(components
[6]),
3928 Definition(components
[7]),
3931 res
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s8
),
3932 components
[0], components
[1], components
[2], components
[3],
3933 components
[4], components
[5], components
[6], components
[7]);
3939 static int image_type_to_components_count(enum glsl_sampler_dim dim
, bool array
)
3942 case GLSL_SAMPLER_DIM_BUF
:
3944 case GLSL_SAMPLER_DIM_1D
:
3945 return array
? 2 : 1;
3946 case GLSL_SAMPLER_DIM_2D
:
3947 return array
? 3 : 2;
3948 case GLSL_SAMPLER_DIM_MS
:
3949 return array
? 4 : 3;
3950 case GLSL_SAMPLER_DIM_3D
:
3951 case GLSL_SAMPLER_DIM_CUBE
:
3953 case GLSL_SAMPLER_DIM_RECT
:
3954 case GLSL_SAMPLER_DIM_SUBPASS
:
3956 case GLSL_SAMPLER_DIM_SUBPASS_MS
:
3965 /* Adjust the sample index according to FMASK.
3967 * For uncompressed MSAA surfaces, FMASK should return 0x76543210,
3968 * which is the identity mapping. Each nibble says which physical sample
3969 * should be fetched to get that sample.
3971 * For example, 0x11111100 means there are only 2 samples stored and
3972 * the second sample covers 3/4 of the pixel. When reading samples 0
3973 * and 1, return physical sample 0 (determined by the first two 0s
3974 * in FMASK), otherwise return physical sample 1.
3976 * The sample index should be adjusted as follows:
3977 * sample_index = (fmask >> (sample_index * 4)) & 0xF;
3979 static Temp
adjust_sample_index_using_fmask(isel_context
*ctx
, bool da
, Temp coords
, Operand sample_index
, Temp fmask_desc_ptr
)
3981 Builder
bld(ctx
->program
, ctx
->block
);
3982 Temp fmask
= bld
.tmp(v1
);
3983 unsigned dim
= ctx
->options
->chip_class
>= GFX10
3984 ? ac_get_sampler_dim(ctx
->options
->chip_class
, GLSL_SAMPLER_DIM_2D
, da
)
3987 aco_ptr
<MIMG_instruction
> load
{create_instruction
<MIMG_instruction
>(aco_opcode::image_load
, Format::MIMG
, 2, 1)};
3988 load
->operands
[0] = Operand(coords
);
3989 load
->operands
[1] = Operand(fmask_desc_ptr
);
3990 load
->definitions
[0] = Definition(fmask
);
3997 load
->can_reorder
= true; /* fmask images shouldn't be modified */
3998 ctx
->block
->instructions
.emplace_back(std::move(load
));
4000 Operand sample_index4
;
4001 if (sample_index
.isConstant() && sample_index
.constantValue() < 16) {
4002 sample_index4
= Operand(sample_index
.constantValue() << 2);
4003 } else if (sample_index
.regClass() == s1
) {
4004 sample_index4
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), sample_index
, Operand(2u));
4006 assert(sample_index
.regClass() == v1
);
4007 sample_index4
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(2u), sample_index
);
4011 if (sample_index4
.isConstant() && sample_index4
.constantValue() == 0)
4012 final_sample
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(15u), fmask
);
4013 else if (sample_index4
.isConstant() && sample_index4
.constantValue() == 28)
4014 final_sample
= bld
.vop2(aco_opcode::v_lshrrev_b32
, bld
.def(v1
), Operand(28u), fmask
);
4016 final_sample
= bld
.vop3(aco_opcode::v_bfe_u32
, bld
.def(v1
), fmask
, sample_index4
, Operand(4u));
4018 /* Don't rewrite the sample index if WORD1.DATA_FORMAT of the FMASK
4019 * resource descriptor is 0 (invalid),
4021 Temp compare
= bld
.tmp(bld
.lm
);
4022 bld
.vopc_e64(aco_opcode::v_cmp_lg_u32
, Definition(compare
),
4023 Operand(0u), emit_extract_vector(ctx
, fmask_desc_ptr
, 1, s1
)).def(0).setHint(vcc
);
4025 Temp sample_index_v
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), sample_index
);
4027 /* Replace the MSAA sample index. */
4028 return bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), sample_index_v
, final_sample
, compare
);
4031 static Temp
get_image_coords(isel_context
*ctx
, const nir_intrinsic_instr
*instr
, const struct glsl_type
*type
)
4034 Temp src0
= get_ssa_temp(ctx
, instr
->src
[1].ssa
);
4035 enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
4036 bool is_array
= glsl_sampler_type_is_array(type
);
4037 ASSERTED
bool add_frag_pos
= (dim
== GLSL_SAMPLER_DIM_SUBPASS
|| dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
);
4038 assert(!add_frag_pos
&& "Input attachments should be lowered.");
4039 bool is_ms
= (dim
== GLSL_SAMPLER_DIM_MS
|| dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
);
4040 bool gfx9_1d
= ctx
->options
->chip_class
== GFX9
&& dim
== GLSL_SAMPLER_DIM_1D
;
4041 int count
= image_type_to_components_count(dim
, is_array
);
4042 std::vector
<Operand
> coords(count
);
4045 Operand sample_index
;
4046 nir_const_value
*sample_cv
= nir_src_as_const_value(instr
->src
[2]);
4048 sample_index
= Operand(sample_cv
->u32
);
4050 sample_index
= Operand(emit_extract_vector(ctx
, get_ssa_temp(ctx
, instr
->src
[2].ssa
), 0, v1
));
4052 if (instr
->intrinsic
== nir_intrinsic_image_deref_load
) {
4053 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, is_array
? 3 : 2, 1)};
4054 for (unsigned i
= 0; i
< vec
->operands
.size(); i
++)
4055 vec
->operands
[i
] = Operand(emit_extract_vector(ctx
, src0
, i
, v1
));
4056 Temp fmask_load_address
= {ctx
->program
->allocateId(), is_array
? v3
: v2
};
4057 vec
->definitions
[0] = Definition(fmask_load_address
);
4058 ctx
->block
->instructions
.emplace_back(std::move(vec
));
4060 Temp fmask_desc_ptr
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_FMASK
, nullptr, false, false);
4061 sample_index
= Operand(adjust_sample_index_using_fmask(ctx
, is_array
, fmask_load_address
, sample_index
, fmask_desc_ptr
));
4064 coords
[count
] = sample_index
;
4067 if (count
== 1 && !gfx9_1d
)
4068 return emit_extract_vector(ctx
, src0
, 0, v1
);
4071 coords
[0] = Operand(emit_extract_vector(ctx
, src0
, 0, v1
));
4072 coords
.resize(coords
.size() + 1);
4073 coords
[1] = Operand((uint32_t) 0);
4075 coords
[2] = Operand(emit_extract_vector(ctx
, src0
, 1, v1
));
4077 for (int i
= 0; i
< count
; i
++)
4078 coords
[i
] = Operand(emit_extract_vector(ctx
, src0
, i
, v1
));
4081 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, coords
.size(), 1)};
4082 for (unsigned i
= 0; i
< coords
.size(); i
++)
4083 vec
->operands
[i
] = coords
[i
];
4084 Temp res
= {ctx
->program
->allocateId(), RegClass(RegType::vgpr
, coords
.size())};
4085 vec
->definitions
[0] = Definition(res
);
4086 ctx
->block
->instructions
.emplace_back(std::move(vec
));
4091 void visit_image_load(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4093 Builder
bld(ctx
->program
, ctx
->block
);
4094 const nir_variable
*var
= nir_deref_instr_get_variable(nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
));
4095 const struct glsl_type
*type
= glsl_without_array(var
->type
);
4096 const enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
4097 bool is_array
= glsl_sampler_type_is_array(type
);
4098 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4100 if (dim
== GLSL_SAMPLER_DIM_BUF
) {
4101 unsigned mask
= nir_ssa_def_components_read(&instr
->dest
.ssa
);
4102 unsigned num_channels
= util_last_bit(mask
);
4103 Temp rsrc
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_BUFFER
, nullptr, true, true);
4104 Temp vindex
= emit_extract_vector(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
), 0, v1
);
4107 switch (num_channels
) {
4109 opcode
= aco_opcode::buffer_load_format_x
;
4112 opcode
= aco_opcode::buffer_load_format_xy
;
4115 opcode
= aco_opcode::buffer_load_format_xyz
;
4118 opcode
= aco_opcode::buffer_load_format_xyzw
;
4121 unreachable(">4 channel buffer image load");
4123 aco_ptr
<MUBUF_instruction
> load
{create_instruction
<MUBUF_instruction
>(opcode
, Format::MUBUF
, 3, 1)};
4124 load
->operands
[0] = Operand(vindex
);
4125 load
->operands
[1] = Operand(rsrc
);
4126 load
->operands
[2] = Operand((uint32_t) 0);
4128 if (num_channels
== instr
->dest
.ssa
.num_components
&& dst
.type() == RegType::vgpr
)
4131 tmp
= {ctx
->program
->allocateId(), RegClass(RegType::vgpr
, num_channels
)};
4132 load
->definitions
[0] = Definition(tmp
);
4134 load
->glc
= var
->data
.access
& (ACCESS_VOLATILE
| ACCESS_COHERENT
);
4135 load
->dlc
= load
->glc
&& ctx
->options
->chip_class
>= GFX10
;
4136 load
->barrier
= barrier_image
;
4137 ctx
->block
->instructions
.emplace_back(std::move(load
));
4139 expand_vector(ctx
, tmp
, dst
, instr
->dest
.ssa
.num_components
, (1 << num_channels
) - 1);
4143 Temp coords
= get_image_coords(ctx
, instr
, type
);
4144 Temp resource
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_IMAGE
, nullptr, true, true);
4146 unsigned dmask
= nir_ssa_def_components_read(&instr
->dest
.ssa
);
4147 unsigned num_components
= util_bitcount(dmask
);
4149 if (num_components
== instr
->dest
.ssa
.num_components
&& dst
.type() == RegType::vgpr
)
4152 tmp
= {ctx
->program
->allocateId(), RegClass(RegType::vgpr
, num_components
)};
4154 aco_ptr
<MIMG_instruction
> load
{create_instruction
<MIMG_instruction
>(aco_opcode::image_load
, Format::MIMG
, 2, 1)};
4155 load
->operands
[0] = Operand(coords
);
4156 load
->operands
[1] = Operand(resource
);
4157 load
->definitions
[0] = Definition(tmp
);
4158 load
->glc
= var
->data
.access
& (ACCESS_VOLATILE
| ACCESS_COHERENT
) ? 1 : 0;
4159 load
->dlc
= load
->glc
&& ctx
->options
->chip_class
>= GFX10
;
4160 load
->dim
= ac_get_image_dim(ctx
->options
->chip_class
, dim
, is_array
);
4161 load
->dmask
= dmask
;
4163 load
->da
= should_declare_array(ctx
, dim
, glsl_sampler_type_is_array(type
));
4164 load
->barrier
= barrier_image
;
4165 ctx
->block
->instructions
.emplace_back(std::move(load
));
4167 expand_vector(ctx
, tmp
, dst
, instr
->dest
.ssa
.num_components
, dmask
);
4171 void visit_image_store(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4173 const nir_variable
*var
= nir_deref_instr_get_variable(nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
));
4174 const struct glsl_type
*type
= glsl_without_array(var
->type
);
4175 const enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
4176 bool is_array
= glsl_sampler_type_is_array(type
);
4177 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[3].ssa
));
4179 bool glc
= ctx
->options
->chip_class
== GFX6
|| var
->data
.access
& (ACCESS_VOLATILE
| ACCESS_COHERENT
| ACCESS_NON_READABLE
) ? 1 : 0;
4181 if (dim
== GLSL_SAMPLER_DIM_BUF
) {
4182 Temp rsrc
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_BUFFER
, nullptr, true, true);
4183 Temp vindex
= emit_extract_vector(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
), 0, v1
);
4185 switch (data
.size()) {
4187 opcode
= aco_opcode::buffer_store_format_x
;
4190 opcode
= aco_opcode::buffer_store_format_xy
;
4193 opcode
= aco_opcode::buffer_store_format_xyz
;
4196 opcode
= aco_opcode::buffer_store_format_xyzw
;
4199 unreachable(">4 channel buffer image store");
4201 aco_ptr
<MUBUF_instruction
> store
{create_instruction
<MUBUF_instruction
>(opcode
, Format::MUBUF
, 4, 0)};
4202 store
->operands
[0] = Operand(vindex
);
4203 store
->operands
[1] = Operand(rsrc
);
4204 store
->operands
[2] = Operand((uint32_t) 0);
4205 store
->operands
[3] = Operand(data
);
4206 store
->idxen
= true;
4209 store
->disable_wqm
= true;
4210 store
->barrier
= barrier_image
;
4211 ctx
->program
->needs_exact
= true;
4212 ctx
->block
->instructions
.emplace_back(std::move(store
));
4216 assert(data
.type() == RegType::vgpr
);
4217 Temp coords
= get_image_coords(ctx
, instr
, type
);
4218 Temp resource
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_IMAGE
, nullptr, true, true);
4220 aco_ptr
<MIMG_instruction
> store
{create_instruction
<MIMG_instruction
>(aco_opcode::image_store
, Format::MIMG
, 4, 0)};
4221 store
->operands
[0] = Operand(coords
);
4222 store
->operands
[1] = Operand(resource
);
4223 store
->operands
[2] = Operand(s4
);
4224 store
->operands
[3] = Operand(data
);
4227 store
->dim
= ac_get_image_dim(ctx
->options
->chip_class
, dim
, is_array
);
4228 store
->dmask
= (1 << data
.size()) - 1;
4230 store
->da
= should_declare_array(ctx
, dim
, glsl_sampler_type_is_array(type
));
4231 store
->disable_wqm
= true;
4232 store
->barrier
= barrier_image
;
4233 ctx
->program
->needs_exact
= true;
4234 ctx
->block
->instructions
.emplace_back(std::move(store
));
4238 void visit_image_atomic(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4240 /* return the previous value if dest is ever used */
4241 bool return_previous
= false;
4242 nir_foreach_use_safe(use_src
, &instr
->dest
.ssa
) {
4243 return_previous
= true;
4246 nir_foreach_if_use_safe(use_src
, &instr
->dest
.ssa
) {
4247 return_previous
= true;
4251 const nir_variable
*var
= nir_deref_instr_get_variable(nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
));
4252 const struct glsl_type
*type
= glsl_without_array(var
->type
);
4253 const enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
4254 bool is_array
= glsl_sampler_type_is_array(type
);
4255 Builder
bld(ctx
->program
, ctx
->block
);
4257 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[3].ssa
));
4258 assert(data
.size() == 1 && "64bit ssbo atomics not yet implemented.");
4260 if (instr
->intrinsic
== nir_intrinsic_image_deref_atomic_comp_swap
)
4261 data
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
), get_ssa_temp(ctx
, instr
->src
[4].ssa
), data
);
4263 aco_opcode buf_op
, image_op
;
4264 switch (instr
->intrinsic
) {
4265 case nir_intrinsic_image_deref_atomic_add
:
4266 buf_op
= aco_opcode::buffer_atomic_add
;
4267 image_op
= aco_opcode::image_atomic_add
;
4269 case nir_intrinsic_image_deref_atomic_umin
:
4270 buf_op
= aco_opcode::buffer_atomic_umin
;
4271 image_op
= aco_opcode::image_atomic_umin
;
4273 case nir_intrinsic_image_deref_atomic_imin
:
4274 buf_op
= aco_opcode::buffer_atomic_smin
;
4275 image_op
= aco_opcode::image_atomic_smin
;
4277 case nir_intrinsic_image_deref_atomic_umax
:
4278 buf_op
= aco_opcode::buffer_atomic_umax
;
4279 image_op
= aco_opcode::image_atomic_umax
;
4281 case nir_intrinsic_image_deref_atomic_imax
:
4282 buf_op
= aco_opcode::buffer_atomic_smax
;
4283 image_op
= aco_opcode::image_atomic_smax
;
4285 case nir_intrinsic_image_deref_atomic_and
:
4286 buf_op
= aco_opcode::buffer_atomic_and
;
4287 image_op
= aco_opcode::image_atomic_and
;
4289 case nir_intrinsic_image_deref_atomic_or
:
4290 buf_op
= aco_opcode::buffer_atomic_or
;
4291 image_op
= aco_opcode::image_atomic_or
;
4293 case nir_intrinsic_image_deref_atomic_xor
:
4294 buf_op
= aco_opcode::buffer_atomic_xor
;
4295 image_op
= aco_opcode::image_atomic_xor
;
4297 case nir_intrinsic_image_deref_atomic_exchange
:
4298 buf_op
= aco_opcode::buffer_atomic_swap
;
4299 image_op
= aco_opcode::image_atomic_swap
;
4301 case nir_intrinsic_image_deref_atomic_comp_swap
:
4302 buf_op
= aco_opcode::buffer_atomic_cmpswap
;
4303 image_op
= aco_opcode::image_atomic_cmpswap
;
4306 unreachable("visit_image_atomic should only be called with nir_intrinsic_image_deref_atomic_* instructions.");
4309 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4311 if (dim
== GLSL_SAMPLER_DIM_BUF
) {
4312 Temp vindex
= emit_extract_vector(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
), 0, v1
);
4313 Temp resource
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_BUFFER
, nullptr, true, true);
4314 //assert(ctx->options->chip_class < GFX9 && "GFX9 stride size workaround not yet implemented.");
4315 aco_ptr
<MUBUF_instruction
> mubuf
{create_instruction
<MUBUF_instruction
>(buf_op
, Format::MUBUF
, 4, return_previous
? 1 : 0)};
4316 mubuf
->operands
[0] = Operand(vindex
);
4317 mubuf
->operands
[1] = Operand(resource
);
4318 mubuf
->operands
[2] = Operand((uint32_t)0);
4319 mubuf
->operands
[3] = Operand(data
);
4320 if (return_previous
)
4321 mubuf
->definitions
[0] = Definition(dst
);
4323 mubuf
->idxen
= true;
4324 mubuf
->glc
= return_previous
;
4325 mubuf
->dlc
= false; /* Not needed for atomics */
4326 mubuf
->disable_wqm
= true;
4327 mubuf
->barrier
= barrier_image
;
4328 ctx
->program
->needs_exact
= true;
4329 ctx
->block
->instructions
.emplace_back(std::move(mubuf
));
4333 Temp coords
= get_image_coords(ctx
, instr
, type
);
4334 Temp resource
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_IMAGE
, nullptr, true, true);
4335 aco_ptr
<MIMG_instruction
> mimg
{create_instruction
<MIMG_instruction
>(image_op
, Format::MIMG
, 4, return_previous
? 1 : 0)};
4336 mimg
->operands
[0] = Operand(coords
);
4337 mimg
->operands
[1] = Operand(resource
);
4338 mimg
->operands
[2] = Operand(s4
); /* no sampler */
4339 mimg
->operands
[3] = Operand(data
);
4340 if (return_previous
)
4341 mimg
->definitions
[0] = Definition(dst
);
4342 mimg
->glc
= return_previous
;
4343 mimg
->dlc
= false; /* Not needed for atomics */
4344 mimg
->dim
= ac_get_image_dim(ctx
->options
->chip_class
, dim
, is_array
);
4345 mimg
->dmask
= (1 << data
.size()) - 1;
4347 mimg
->da
= should_declare_array(ctx
, dim
, glsl_sampler_type_is_array(type
));
4348 mimg
->disable_wqm
= true;
4349 mimg
->barrier
= barrier_image
;
4350 ctx
->program
->needs_exact
= true;
4351 ctx
->block
->instructions
.emplace_back(std::move(mimg
));
4355 void get_buffer_size(isel_context
*ctx
, Temp desc
, Temp dst
, bool in_elements
)
4357 if (in_elements
&& ctx
->options
->chip_class
== GFX8
) {
4358 Builder
bld(ctx
->program
, ctx
->block
);
4360 Temp stride
= emit_extract_vector(ctx
, desc
, 1, s1
);
4361 stride
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
), stride
, Operand((5u << 16) | 16u));
4362 stride
= bld
.vop1(aco_opcode::v_cvt_f32_ubyte0
, bld
.def(v1
), stride
);
4363 stride
= bld
.vop1(aco_opcode::v_rcp_iflag_f32
, bld
.def(v1
), stride
);
4365 Temp size
= emit_extract_vector(ctx
, desc
, 2, s1
);
4366 size
= bld
.vop1(aco_opcode::v_cvt_f32_u32
, bld
.def(v1
), size
);
4368 Temp res
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), size
, stride
);
4369 res
= bld
.vop1(aco_opcode::v_cvt_u32_f32
, bld
.def(v1
), res
);
4370 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), res
);
4372 // TODO: we can probably calculate this faster on the scalar unit to do: size / stride{1,2,4,8,12,16}
4374 * for 1,2,4,8,16, the result is just (stride >> S_FF1_I32_B32)
4375 * in case 12 (or 3?), we have to divide by 3:
4376 * set v_skip in case it's 12 (if we also have to take care of 3, shift first)
4377 * use v_mul_hi_u32 with magic number to divide
4378 * we need some pseudo merge opcode to overwrite the original SALU result with readfirstlane
4380 * total: 6 SALU + 2 VALU instructions vs 1 SALU + 6 VALU instructions
4384 emit_extract_vector(ctx
, desc
, 2, dst
);
4388 void visit_image_size(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4390 const nir_variable
*var
= nir_deref_instr_get_variable(nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
));
4391 const struct glsl_type
*type
= glsl_without_array(var
->type
);
4392 const enum glsl_sampler_dim dim
= glsl_get_sampler_dim(type
);
4393 bool is_array
= glsl_sampler_type_is_array(type
);
4394 Builder
bld(ctx
->program
, ctx
->block
);
4396 if (glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_BUF
) {
4397 Temp desc
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_BUFFER
, NULL
, true, false);
4398 return get_buffer_size(ctx
, desc
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), true);
4402 Temp lod
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(0u));
4405 Temp resource
= get_sampler_desc(ctx
, nir_instr_as_deref(instr
->src
[0].ssa
->parent_instr
), ACO_DESC_IMAGE
, NULL
, true, false);
4407 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4409 aco_ptr
<MIMG_instruction
> mimg
{create_instruction
<MIMG_instruction
>(aco_opcode::image_get_resinfo
, Format::MIMG
, 2, 1)};
4410 mimg
->operands
[0] = Operand(lod
);
4411 mimg
->operands
[1] = Operand(resource
);
4412 unsigned& dmask
= mimg
->dmask
;
4413 mimg
->dim
= ac_get_image_dim(ctx
->options
->chip_class
, dim
, is_array
);
4414 mimg
->dmask
= (1 << instr
->dest
.ssa
.num_components
) - 1;
4415 mimg
->da
= glsl_sampler_type_is_array(type
);
4416 mimg
->can_reorder
= true;
4417 Definition
& def
= mimg
->definitions
[0];
4418 ctx
->block
->instructions
.emplace_back(std::move(mimg
));
4420 if (glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_CUBE
&&
4421 glsl_sampler_type_is_array(type
)) {
4423 assert(instr
->dest
.ssa
.num_components
== 3);
4424 Temp tmp
= {ctx
->program
->allocateId(), v3
};
4425 def
= Definition(tmp
);
4426 emit_split_vector(ctx
, tmp
, 3);
4428 /* divide 3rd value by 6 by multiplying with magic number */
4429 Temp c
= bld
.copy(bld
.def(s1
), Operand((uint32_t) 0x2AAAAAAB));
4430 Temp by_6
= bld
.vop3(aco_opcode::v_mul_hi_i32
, bld
.def(v1
), emit_extract_vector(ctx
, tmp
, 2, v1
), c
);
4432 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
4433 emit_extract_vector(ctx
, tmp
, 0, v1
),
4434 emit_extract_vector(ctx
, tmp
, 1, v1
),
4437 } else if (ctx
->options
->chip_class
== GFX9
&&
4438 glsl_get_sampler_dim(type
) == GLSL_SAMPLER_DIM_1D
&&
4439 glsl_sampler_type_is_array(type
)) {
4440 assert(instr
->dest
.ssa
.num_components
== 2);
4441 def
= Definition(dst
);
4444 def
= Definition(dst
);
4447 emit_split_vector(ctx
, dst
, instr
->dest
.ssa
.num_components
);
4450 void visit_load_ssbo(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4452 Builder
bld(ctx
->program
, ctx
->block
);
4453 unsigned num_components
= instr
->num_components
;
4455 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4456 Temp rsrc
= convert_pointer_to_64_bit(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4457 rsrc
= bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), rsrc
, Operand(0u));
4459 bool glc
= nir_intrinsic_access(instr
) & (ACCESS_VOLATILE
| ACCESS_COHERENT
);
4460 load_buffer(ctx
, num_components
, dst
, rsrc
, get_ssa_temp(ctx
, instr
->src
[1].ssa
), glc
, false);
4463 void visit_store_ssbo(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4465 Builder
bld(ctx
->program
, ctx
->block
);
4466 Temp data
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
4467 unsigned elem_size_bytes
= instr
->src
[0].ssa
->bit_size
/ 8;
4468 unsigned writemask
= nir_intrinsic_write_mask(instr
);
4469 Temp offset
= get_ssa_temp(ctx
, instr
->src
[2].ssa
);
4471 Temp rsrc
= convert_pointer_to_64_bit(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
4472 rsrc
= bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), rsrc
, Operand(0u));
4474 bool smem
= !ctx
->divergent_vals
[instr
->src
[2].ssa
->index
] &&
4475 ctx
->options
->chip_class
>= GFX8
;
4477 offset
= bld
.as_uniform(offset
);
4478 bool smem_nonfs
= smem
&& ctx
->stage
!= fragment_fs
;
4482 u_bit_scan_consecutive_range(&writemask
, &start
, &count
);
4483 if (count
== 3 && smem
) {
4484 writemask
|= 1u << (start
+ 2);
4487 int num_bytes
= count
* elem_size_bytes
;
4489 if (num_bytes
> 16) {
4490 assert(elem_size_bytes
== 8);
4491 writemask
|= (((count
- 2) << 1) - 1) << (start
+ 2);
4496 // TODO: check alignment of sub-dword stores
4497 // TODO: split 3 bytes. there is no store instruction for that
4500 if (count
!= instr
->num_components
) {
4501 emit_split_vector(ctx
, data
, instr
->num_components
);
4502 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, count
, 1)};
4503 for (int i
= 0; i
< count
; i
++) {
4504 Temp elem
= emit_extract_vector(ctx
, data
, start
+ i
, RegClass(data
.type(), elem_size_bytes
/ 4));
4505 vec
->operands
[i
] = Operand(smem_nonfs
? bld
.as_uniform(elem
) : elem
);
4507 write_data
= bld
.tmp(!smem
? RegType::vgpr
: smem_nonfs
? RegType::sgpr
: data
.type(), count
* elem_size_bytes
/ 4);
4508 vec
->definitions
[0] = Definition(write_data
);
4509 ctx
->block
->instructions
.emplace_back(std::move(vec
));
4510 } else if (!smem
&& data
.type() != RegType::vgpr
) {
4511 assert(num_bytes
% 4 == 0);
4512 write_data
= bld
.copy(bld
.def(RegType::vgpr
, num_bytes
/ 4), data
);
4513 } else if (smem_nonfs
&& data
.type() == RegType::vgpr
) {
4514 assert(num_bytes
% 4 == 0);
4515 write_data
= bld
.as_uniform(data
);
4520 aco_opcode vmem_op
, smem_op
;
4521 switch (num_bytes
) {
4523 vmem_op
= aco_opcode::buffer_store_dword
;
4524 smem_op
= aco_opcode::s_buffer_store_dword
;
4527 vmem_op
= aco_opcode::buffer_store_dwordx2
;
4528 smem_op
= aco_opcode::s_buffer_store_dwordx2
;
4531 vmem_op
= aco_opcode::buffer_store_dwordx3
;
4532 smem_op
= aco_opcode::last_opcode
;
4536 vmem_op
= aco_opcode::buffer_store_dwordx4
;
4537 smem_op
= aco_opcode::s_buffer_store_dwordx4
;
4540 unreachable("Store SSBO not implemented for this size.");
4542 if (ctx
->stage
== fragment_fs
)
4543 smem_op
= aco_opcode::p_fs_buffer_store_smem
;
4546 aco_ptr
<SMEM_instruction
> store
{create_instruction
<SMEM_instruction
>(smem_op
, Format::SMEM
, 3, 0)};
4547 store
->operands
[0] = Operand(rsrc
);
4549 Temp off
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
),
4550 offset
, Operand(start
* elem_size_bytes
));
4551 store
->operands
[1] = Operand(off
);
4553 store
->operands
[1] = Operand(offset
);
4555 if (smem_op
!= aco_opcode::p_fs_buffer_store_smem
)
4556 store
->operands
[1].setFixed(m0
);
4557 store
->operands
[2] = Operand(write_data
);
4558 store
->glc
= nir_intrinsic_access(instr
) & (ACCESS_VOLATILE
| ACCESS_COHERENT
| ACCESS_NON_READABLE
);
4560 store
->disable_wqm
= true;
4561 store
->barrier
= barrier_buffer
;
4562 ctx
->block
->instructions
.emplace_back(std::move(store
));
4563 ctx
->program
->wb_smem_l1_on_end
= true;
4564 if (smem_op
== aco_opcode::p_fs_buffer_store_smem
) {
4565 ctx
->block
->kind
|= block_kind_needs_lowering
;
4566 ctx
->program
->needs_exact
= true;
4569 aco_ptr
<MUBUF_instruction
> store
{create_instruction
<MUBUF_instruction
>(vmem_op
, Format::MUBUF
, 4, 0)};
4570 store
->operands
[0] = offset
.type() == RegType::vgpr
? Operand(offset
) : Operand(v1
);
4571 store
->operands
[1] = Operand(rsrc
);
4572 store
->operands
[2] = offset
.type() == RegType::sgpr
? Operand(offset
) : Operand((uint32_t) 0);
4573 store
->operands
[3] = Operand(write_data
);
4574 store
->offset
= start
* elem_size_bytes
;
4575 store
->offen
= (offset
.type() == RegType::vgpr
);
4576 store
->glc
= nir_intrinsic_access(instr
) & (ACCESS_VOLATILE
| ACCESS_COHERENT
| ACCESS_NON_READABLE
);
4578 store
->disable_wqm
= true;
4579 store
->barrier
= barrier_buffer
;
4580 ctx
->program
->needs_exact
= true;
4581 ctx
->block
->instructions
.emplace_back(std::move(store
));
4586 void visit_atomic_ssbo(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4588 /* return the previous value if dest is ever used */
4589 bool return_previous
= false;
4590 nir_foreach_use_safe(use_src
, &instr
->dest
.ssa
) {
4591 return_previous
= true;
4594 nir_foreach_if_use_safe(use_src
, &instr
->dest
.ssa
) {
4595 return_previous
= true;
4599 Builder
bld(ctx
->program
, ctx
->block
);
4600 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[2].ssa
));
4602 if (instr
->intrinsic
== nir_intrinsic_ssbo_atomic_comp_swap
)
4603 data
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(RegType::vgpr
, data
.size() * 2),
4604 get_ssa_temp(ctx
, instr
->src
[3].ssa
), data
);
4606 Temp offset
= get_ssa_temp(ctx
, instr
->src
[1].ssa
);
4607 Temp rsrc
= convert_pointer_to_64_bit(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4608 rsrc
= bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), rsrc
, Operand(0u));
4610 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4612 aco_opcode op32
, op64
;
4613 switch (instr
->intrinsic
) {
4614 case nir_intrinsic_ssbo_atomic_add
:
4615 op32
= aco_opcode::buffer_atomic_add
;
4616 op64
= aco_opcode::buffer_atomic_add_x2
;
4618 case nir_intrinsic_ssbo_atomic_imin
:
4619 op32
= aco_opcode::buffer_atomic_smin
;
4620 op64
= aco_opcode::buffer_atomic_smin_x2
;
4622 case nir_intrinsic_ssbo_atomic_umin
:
4623 op32
= aco_opcode::buffer_atomic_umin
;
4624 op64
= aco_opcode::buffer_atomic_umin_x2
;
4626 case nir_intrinsic_ssbo_atomic_imax
:
4627 op32
= aco_opcode::buffer_atomic_smax
;
4628 op64
= aco_opcode::buffer_atomic_smax_x2
;
4630 case nir_intrinsic_ssbo_atomic_umax
:
4631 op32
= aco_opcode::buffer_atomic_umax
;
4632 op64
= aco_opcode::buffer_atomic_umax_x2
;
4634 case nir_intrinsic_ssbo_atomic_and
:
4635 op32
= aco_opcode::buffer_atomic_and
;
4636 op64
= aco_opcode::buffer_atomic_and_x2
;
4638 case nir_intrinsic_ssbo_atomic_or
:
4639 op32
= aco_opcode::buffer_atomic_or
;
4640 op64
= aco_opcode::buffer_atomic_or_x2
;
4642 case nir_intrinsic_ssbo_atomic_xor
:
4643 op32
= aco_opcode::buffer_atomic_xor
;
4644 op64
= aco_opcode::buffer_atomic_xor_x2
;
4646 case nir_intrinsic_ssbo_atomic_exchange
:
4647 op32
= aco_opcode::buffer_atomic_swap
;
4648 op64
= aco_opcode::buffer_atomic_swap_x2
;
4650 case nir_intrinsic_ssbo_atomic_comp_swap
:
4651 op32
= aco_opcode::buffer_atomic_cmpswap
;
4652 op64
= aco_opcode::buffer_atomic_cmpswap_x2
;
4655 unreachable("visit_atomic_ssbo should only be called with nir_intrinsic_ssbo_atomic_* instructions.");
4657 aco_opcode op
= instr
->dest
.ssa
.bit_size
== 32 ? op32
: op64
;
4658 aco_ptr
<MUBUF_instruction
> mubuf
{create_instruction
<MUBUF_instruction
>(op
, Format::MUBUF
, 4, return_previous
? 1 : 0)};
4659 mubuf
->operands
[0] = offset
.type() == RegType::vgpr
? Operand(offset
) : Operand(v1
);
4660 mubuf
->operands
[1] = Operand(rsrc
);
4661 mubuf
->operands
[2] = offset
.type() == RegType::sgpr
? Operand(offset
) : Operand((uint32_t) 0);
4662 mubuf
->operands
[3] = Operand(data
);
4663 if (return_previous
)
4664 mubuf
->definitions
[0] = Definition(dst
);
4666 mubuf
->offen
= (offset
.type() == RegType::vgpr
);
4667 mubuf
->glc
= return_previous
;
4668 mubuf
->dlc
= false; /* Not needed for atomics */
4669 mubuf
->disable_wqm
= true;
4670 mubuf
->barrier
= barrier_buffer
;
4671 ctx
->program
->needs_exact
= true;
4672 ctx
->block
->instructions
.emplace_back(std::move(mubuf
));
4675 void visit_get_buffer_size(isel_context
*ctx
, nir_intrinsic_instr
*instr
) {
4677 Temp index
= convert_pointer_to_64_bit(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4678 Builder
bld(ctx
->program
, ctx
->block
);
4679 Temp desc
= bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), index
, Operand(0u));
4680 get_buffer_size(ctx
, desc
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), false);
4683 void visit_load_global(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4685 Builder
bld(ctx
->program
, ctx
->block
);
4686 unsigned num_components
= instr
->num_components
;
4687 unsigned num_bytes
= num_components
* instr
->dest
.ssa
.bit_size
/ 8;
4689 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4690 Temp addr
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
4692 bool glc
= nir_intrinsic_access(instr
) & (ACCESS_VOLATILE
| ACCESS_COHERENT
);
4693 bool dlc
= glc
&& ctx
->options
->chip_class
>= GFX10
;
4695 if (dst
.type() == RegType::vgpr
|| (glc
&& ctx
->options
->chip_class
< GFX8
)) {
4696 bool global
= ctx
->options
->chip_class
>= GFX9
;
4698 switch (num_bytes
) {
4700 op
= global
? aco_opcode::global_load_dword
: aco_opcode::flat_load_dword
;
4703 op
= global
? aco_opcode::global_load_dwordx2
: aco_opcode::flat_load_dwordx2
;
4706 op
= global
? aco_opcode::global_load_dwordx3
: aco_opcode::flat_load_dwordx3
;
4709 op
= global
? aco_opcode::global_load_dwordx4
: aco_opcode::flat_load_dwordx4
;
4712 unreachable("load_global not implemented for this size.");
4714 aco_ptr
<FLAT_instruction
> flat
{create_instruction
<FLAT_instruction
>(op
, global
? Format::GLOBAL
: Format::FLAT
, 2, 1)};
4715 flat
->operands
[0] = Operand(addr
);
4716 flat
->operands
[1] = Operand(s1
);
4719 flat
->barrier
= barrier_buffer
;
4721 if (dst
.type() == RegType::sgpr
) {
4722 Temp vec
= bld
.tmp(RegType::vgpr
, dst
.size());
4723 flat
->definitions
[0] = Definition(vec
);
4724 ctx
->block
->instructions
.emplace_back(std::move(flat
));
4725 bld
.pseudo(aco_opcode::p_as_uniform
, Definition(dst
), vec
);
4727 flat
->definitions
[0] = Definition(dst
);
4728 ctx
->block
->instructions
.emplace_back(std::move(flat
));
4730 emit_split_vector(ctx
, dst
, num_components
);
4732 switch (num_bytes
) {
4734 op
= aco_opcode::s_load_dword
;
4737 op
= aco_opcode::s_load_dwordx2
;
4741 op
= aco_opcode::s_load_dwordx4
;
4744 unreachable("load_global not implemented for this size.");
4746 aco_ptr
<SMEM_instruction
> load
{create_instruction
<SMEM_instruction
>(op
, Format::SMEM
, 2, 1)};
4747 load
->operands
[0] = Operand(addr
);
4748 load
->operands
[1] = Operand(0u);
4749 load
->definitions
[0] = Definition(dst
);
4752 load
->barrier
= barrier_buffer
;
4753 assert(ctx
->options
->chip_class
>= GFX8
|| !glc
);
4755 if (dst
.size() == 3) {
4757 Temp vec
= bld
.tmp(s4
);
4758 load
->definitions
[0] = Definition(vec
);
4759 ctx
->block
->instructions
.emplace_back(std::move(load
));
4760 emit_split_vector(ctx
, vec
, 4);
4762 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
4763 emit_extract_vector(ctx
, vec
, 0, s1
),
4764 emit_extract_vector(ctx
, vec
, 1, s1
),
4765 emit_extract_vector(ctx
, vec
, 2, s1
));
4767 ctx
->block
->instructions
.emplace_back(std::move(load
));
4772 void visit_store_global(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4774 Builder
bld(ctx
->program
, ctx
->block
);
4775 unsigned elem_size_bytes
= instr
->src
[0].ssa
->bit_size
/ 8;
4777 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4778 Temp addr
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
4780 unsigned writemask
= nir_intrinsic_write_mask(instr
);
4783 u_bit_scan_consecutive_range(&writemask
, &start
, &count
);
4784 unsigned num_bytes
= count
* elem_size_bytes
;
4786 Temp write_data
= data
;
4787 if (count
!= instr
->num_components
) {
4788 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, count
, 1)};
4789 for (int i
= 0; i
< count
; i
++)
4790 vec
->operands
[i
] = Operand(emit_extract_vector(ctx
, data
, start
+ i
, v1
));
4791 write_data
= bld
.tmp(RegType::vgpr
, count
);
4792 vec
->definitions
[0] = Definition(write_data
);
4793 ctx
->block
->instructions
.emplace_back(std::move(vec
));
4796 unsigned offset
= start
* elem_size_bytes
;
4797 if (offset
> 0 && ctx
->options
->chip_class
< GFX9
) {
4798 Temp addr0
= bld
.tmp(v1
), addr1
= bld
.tmp(v1
);
4799 Temp new_addr0
= bld
.tmp(v1
), new_addr1
= bld
.tmp(v1
);
4800 Temp carry
= bld
.tmp(bld
.lm
);
4801 bld
.pseudo(aco_opcode::p_split_vector
, Definition(addr0
), Definition(addr1
), addr
);
4803 bld
.vop2(aco_opcode::v_add_co_u32
, Definition(new_addr0
), bld
.hint_vcc(Definition(carry
)),
4804 Operand(offset
), addr0
);
4805 bld
.vop2(aco_opcode::v_addc_co_u32
, Definition(new_addr1
), bld
.def(bld
.lm
),
4807 carry
).def(1).setHint(vcc
);
4809 addr
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
), new_addr0
, new_addr1
);
4814 bool glc
= nir_intrinsic_access(instr
) & (ACCESS_VOLATILE
| ACCESS_COHERENT
| ACCESS_NON_READABLE
);
4815 bool global
= ctx
->options
->chip_class
>= GFX9
;
4817 switch (num_bytes
) {
4819 op
= global
? aco_opcode::global_store_dword
: aco_opcode::flat_store_dword
;
4822 op
= global
? aco_opcode::global_store_dwordx2
: aco_opcode::flat_store_dwordx2
;
4825 op
= global
? aco_opcode::global_store_dwordx3
: aco_opcode::flat_store_dwordx3
;
4828 op
= global
? aco_opcode::global_store_dwordx4
: aco_opcode::flat_store_dwordx4
;
4831 unreachable("store_global not implemented for this size.");
4833 aco_ptr
<FLAT_instruction
> flat
{create_instruction
<FLAT_instruction
>(op
, global
? Format::GLOBAL
: Format::FLAT
, 3, 0)};
4834 flat
->operands
[0] = Operand(addr
);
4835 flat
->operands
[1] = Operand(s1
);
4836 flat
->operands
[2] = Operand(data
);
4839 flat
->offset
= offset
;
4840 flat
->disable_wqm
= true;
4841 flat
->barrier
= barrier_buffer
;
4842 ctx
->program
->needs_exact
= true;
4843 ctx
->block
->instructions
.emplace_back(std::move(flat
));
4847 void visit_global_atomic(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4849 /* return the previous value if dest is ever used */
4850 bool return_previous
= false;
4851 nir_foreach_use_safe(use_src
, &instr
->dest
.ssa
) {
4852 return_previous
= true;
4855 nir_foreach_if_use_safe(use_src
, &instr
->dest
.ssa
) {
4856 return_previous
= true;
4860 Builder
bld(ctx
->program
, ctx
->block
);
4861 Temp addr
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4862 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
4864 if (instr
->intrinsic
== nir_intrinsic_global_atomic_comp_swap
)
4865 data
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(RegType::vgpr
, data
.size() * 2),
4866 get_ssa_temp(ctx
, instr
->src
[2].ssa
), data
);
4868 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4870 bool global
= ctx
->options
->chip_class
>= GFX9
;
4871 aco_opcode op32
, op64
;
4872 switch (instr
->intrinsic
) {
4873 case nir_intrinsic_global_atomic_add
:
4874 op32
= global
? aco_opcode::global_atomic_add
: aco_opcode::flat_atomic_add
;
4875 op64
= global
? aco_opcode::global_atomic_add_x2
: aco_opcode::flat_atomic_add_x2
;
4877 case nir_intrinsic_global_atomic_imin
:
4878 op32
= global
? aco_opcode::global_atomic_smin
: aco_opcode::flat_atomic_smin
;
4879 op64
= global
? aco_opcode::global_atomic_smin_x2
: aco_opcode::flat_atomic_smin_x2
;
4881 case nir_intrinsic_global_atomic_umin
:
4882 op32
= global
? aco_opcode::global_atomic_umin
: aco_opcode::flat_atomic_umin
;
4883 op64
= global
? aco_opcode::global_atomic_umin_x2
: aco_opcode::flat_atomic_umin_x2
;
4885 case nir_intrinsic_global_atomic_imax
:
4886 op32
= global
? aco_opcode::global_atomic_smax
: aco_opcode::flat_atomic_smax
;
4887 op64
= global
? aco_opcode::global_atomic_smax_x2
: aco_opcode::flat_atomic_smax_x2
;
4889 case nir_intrinsic_global_atomic_umax
:
4890 op32
= global
? aco_opcode::global_atomic_umax
: aco_opcode::flat_atomic_umax
;
4891 op64
= global
? aco_opcode::global_atomic_umax_x2
: aco_opcode::flat_atomic_umax_x2
;
4893 case nir_intrinsic_global_atomic_and
:
4894 op32
= global
? aco_opcode::global_atomic_and
: aco_opcode::flat_atomic_and
;
4895 op64
= global
? aco_opcode::global_atomic_and_x2
: aco_opcode::flat_atomic_and_x2
;
4897 case nir_intrinsic_global_atomic_or
:
4898 op32
= global
? aco_opcode::global_atomic_or
: aco_opcode::flat_atomic_or
;
4899 op64
= global
? aco_opcode::global_atomic_or_x2
: aco_opcode::flat_atomic_or_x2
;
4901 case nir_intrinsic_global_atomic_xor
:
4902 op32
= global
? aco_opcode::global_atomic_xor
: aco_opcode::flat_atomic_xor
;
4903 op64
= global
? aco_opcode::global_atomic_xor_x2
: aco_opcode::flat_atomic_xor_x2
;
4905 case nir_intrinsic_global_atomic_exchange
:
4906 op32
= global
? aco_opcode::global_atomic_swap
: aco_opcode::flat_atomic_swap
;
4907 op64
= global
? aco_opcode::global_atomic_swap_x2
: aco_opcode::flat_atomic_swap_x2
;
4909 case nir_intrinsic_global_atomic_comp_swap
:
4910 op32
= global
? aco_opcode::global_atomic_cmpswap
: aco_opcode::flat_atomic_cmpswap
;
4911 op64
= global
? aco_opcode::global_atomic_cmpswap_x2
: aco_opcode::flat_atomic_cmpswap_x2
;
4914 unreachable("visit_atomic_global should only be called with nir_intrinsic_global_atomic_* instructions.");
4916 aco_opcode op
= instr
->dest
.ssa
.bit_size
== 32 ? op32
: op64
;
4917 aco_ptr
<FLAT_instruction
> flat
{create_instruction
<FLAT_instruction
>(op
, global
? Format::GLOBAL
: Format::FLAT
, 3, return_previous
? 1 : 0)};
4918 flat
->operands
[0] = Operand(addr
);
4919 flat
->operands
[1] = Operand(s1
);
4920 flat
->operands
[2] = Operand(data
);
4921 if (return_previous
)
4922 flat
->definitions
[0] = Definition(dst
);
4923 flat
->glc
= return_previous
;
4924 flat
->dlc
= false; /* Not needed for atomics */
4926 flat
->disable_wqm
= true;
4927 flat
->barrier
= barrier_buffer
;
4928 ctx
->program
->needs_exact
= true;
4929 ctx
->block
->instructions
.emplace_back(std::move(flat
));
4932 void emit_memory_barrier(isel_context
*ctx
, nir_intrinsic_instr
*instr
) {
4933 Builder
bld(ctx
->program
, ctx
->block
);
4934 switch(instr
->intrinsic
) {
4935 case nir_intrinsic_group_memory_barrier
:
4936 case nir_intrinsic_memory_barrier
:
4937 bld
.barrier(aco_opcode::p_memory_barrier_all
);
4939 case nir_intrinsic_memory_barrier_atomic_counter
:
4940 bld
.barrier(aco_opcode::p_memory_barrier_atomic
);
4942 case nir_intrinsic_memory_barrier_buffer
:
4943 bld
.barrier(aco_opcode::p_memory_barrier_buffer
);
4945 case nir_intrinsic_memory_barrier_image
:
4946 bld
.barrier(aco_opcode::p_memory_barrier_image
);
4948 case nir_intrinsic_memory_barrier_shared
:
4949 bld
.barrier(aco_opcode::p_memory_barrier_shared
);
4952 unreachable("Unimplemented memory barrier intrinsic");
4957 void visit_load_shared(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4959 // TODO: implement sparse reads using ds_read2_b32 and nir_ssa_def_components_read()
4960 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
4961 assert(instr
->dest
.ssa
.bit_size
>= 32 && "Bitsize not supported in load_shared.");
4962 Temp address
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4963 Builder
bld(ctx
->program
, ctx
->block
);
4965 unsigned elem_size_bytes
= instr
->dest
.ssa
.bit_size
/ 8;
4966 unsigned align
= nir_intrinsic_align_mul(instr
) ? nir_intrinsic_align(instr
) : elem_size_bytes
;
4967 load_lds(ctx
, elem_size_bytes
, dst
, address
, nir_intrinsic_base(instr
), align
);
4970 void visit_store_shared(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4972 unsigned writemask
= nir_intrinsic_write_mask(instr
);
4973 Temp data
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
4974 Temp address
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
4975 unsigned elem_size_bytes
= instr
->src
[0].ssa
->bit_size
/ 8;
4976 assert(elem_size_bytes
>= 4 && "Only 32bit & 64bit store_shared currently supported.");
4978 unsigned align
= nir_intrinsic_align_mul(instr
) ? nir_intrinsic_align(instr
) : elem_size_bytes
;
4979 store_lds(ctx
, elem_size_bytes
, data
, writemask
, address
, nir_intrinsic_base(instr
), align
);
4982 void visit_shared_atomic(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
4984 unsigned offset
= nir_intrinsic_base(instr
);
4985 Operand m
= load_lds_size_m0(ctx
);
4986 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
4987 Temp address
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
4989 unsigned num_operands
= 3;
4990 aco_opcode op32
, op64
, op32_rtn
, op64_rtn
;
4991 switch(instr
->intrinsic
) {
4992 case nir_intrinsic_shared_atomic_add
:
4993 op32
= aco_opcode::ds_add_u32
;
4994 op64
= aco_opcode::ds_add_u64
;
4995 op32_rtn
= aco_opcode::ds_add_rtn_u32
;
4996 op64_rtn
= aco_opcode::ds_add_rtn_u64
;
4998 case nir_intrinsic_shared_atomic_imin
:
4999 op32
= aco_opcode::ds_min_i32
;
5000 op64
= aco_opcode::ds_min_i64
;
5001 op32_rtn
= aco_opcode::ds_min_rtn_i32
;
5002 op64_rtn
= aco_opcode::ds_min_rtn_i64
;
5004 case nir_intrinsic_shared_atomic_umin
:
5005 op32
= aco_opcode::ds_min_u32
;
5006 op64
= aco_opcode::ds_min_u64
;
5007 op32_rtn
= aco_opcode::ds_min_rtn_u32
;
5008 op64_rtn
= aco_opcode::ds_min_rtn_u64
;
5010 case nir_intrinsic_shared_atomic_imax
:
5011 op32
= aco_opcode::ds_max_i32
;
5012 op64
= aco_opcode::ds_max_i64
;
5013 op32_rtn
= aco_opcode::ds_max_rtn_i32
;
5014 op64_rtn
= aco_opcode::ds_max_rtn_i64
;
5016 case nir_intrinsic_shared_atomic_umax
:
5017 op32
= aco_opcode::ds_max_u32
;
5018 op64
= aco_opcode::ds_max_u64
;
5019 op32_rtn
= aco_opcode::ds_max_rtn_u32
;
5020 op64_rtn
= aco_opcode::ds_max_rtn_u64
;
5022 case nir_intrinsic_shared_atomic_and
:
5023 op32
= aco_opcode::ds_and_b32
;
5024 op64
= aco_opcode::ds_and_b64
;
5025 op32_rtn
= aco_opcode::ds_and_rtn_b32
;
5026 op64_rtn
= aco_opcode::ds_and_rtn_b64
;
5028 case nir_intrinsic_shared_atomic_or
:
5029 op32
= aco_opcode::ds_or_b32
;
5030 op64
= aco_opcode::ds_or_b64
;
5031 op32_rtn
= aco_opcode::ds_or_rtn_b32
;
5032 op64_rtn
= aco_opcode::ds_or_rtn_b64
;
5034 case nir_intrinsic_shared_atomic_xor
:
5035 op32
= aco_opcode::ds_xor_b32
;
5036 op64
= aco_opcode::ds_xor_b64
;
5037 op32_rtn
= aco_opcode::ds_xor_rtn_b32
;
5038 op64_rtn
= aco_opcode::ds_xor_rtn_b64
;
5040 case nir_intrinsic_shared_atomic_exchange
:
5041 op32
= aco_opcode::ds_write_b32
;
5042 op64
= aco_opcode::ds_write_b64
;
5043 op32_rtn
= aco_opcode::ds_wrxchg_rtn_b32
;
5044 op64_rtn
= aco_opcode::ds_wrxchg2_rtn_b64
;
5046 case nir_intrinsic_shared_atomic_comp_swap
:
5047 op32
= aco_opcode::ds_cmpst_b32
;
5048 op64
= aco_opcode::ds_cmpst_b64
;
5049 op32_rtn
= aco_opcode::ds_cmpst_rtn_b32
;
5050 op64_rtn
= aco_opcode::ds_cmpst_rtn_b64
;
5054 unreachable("Unhandled shared atomic intrinsic");
5057 /* return the previous value if dest is ever used */
5058 bool return_previous
= false;
5059 nir_foreach_use_safe(use_src
, &instr
->dest
.ssa
) {
5060 return_previous
= true;
5063 nir_foreach_if_use_safe(use_src
, &instr
->dest
.ssa
) {
5064 return_previous
= true;
5069 if (data
.size() == 1) {
5070 assert(instr
->dest
.ssa
.bit_size
== 32);
5071 op
= return_previous
? op32_rtn
: op32
;
5073 assert(instr
->dest
.ssa
.bit_size
== 64);
5074 op
= return_previous
? op64_rtn
: op64
;
5077 if (offset
> 65535) {
5078 Builder
bld(ctx
->program
, ctx
->block
);
5079 address
= bld
.vadd32(bld
.def(v1
), Operand(offset
), address
);
5083 aco_ptr
<DS_instruction
> ds
;
5084 ds
.reset(create_instruction
<DS_instruction
>(op
, Format::DS
, num_operands
, return_previous
? 1 : 0));
5085 ds
->operands
[0] = Operand(address
);
5086 ds
->operands
[1] = Operand(data
);
5087 if (num_operands
== 4)
5088 ds
->operands
[2] = Operand(get_ssa_temp(ctx
, instr
->src
[2].ssa
));
5089 ds
->operands
[num_operands
- 1] = m
;
5090 ds
->offset0
= offset
;
5091 if (return_previous
)
5092 ds
->definitions
[0] = Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
));
5093 ctx
->block
->instructions
.emplace_back(std::move(ds
));
5096 Temp
get_scratch_resource(isel_context
*ctx
)
5098 Builder
bld(ctx
->program
, ctx
->block
);
5099 Temp scratch_addr
= ctx
->program
->private_segment_buffer
;
5100 if (ctx
->stage
!= compute_cs
)
5101 scratch_addr
= bld
.smem(aco_opcode::s_load_dwordx2
, bld
.def(s2
), scratch_addr
, Operand(0u));
5103 uint32_t rsrc_conf
= S_008F0C_ADD_TID_ENABLE(1) |
5104 S_008F0C_INDEX_STRIDE(ctx
->program
->wave_size
== 64 ? 3 : 2);;
5106 if (ctx
->program
->chip_class
>= GFX10
) {
5107 rsrc_conf
|= S_008F0C_FORMAT(V_008F0C_IMG_FORMAT_32_FLOAT
) |
5108 S_008F0C_OOB_SELECT(3) |
5109 S_008F0C_RESOURCE_LEVEL(1);
5110 } else if (ctx
->program
->chip_class
<= GFX7
) { /* dfmt modifies stride on GFX8/GFX9 when ADD_TID_EN=1 */
5111 rsrc_conf
|= S_008F0C_NUM_FORMAT(V_008F0C_BUF_NUM_FORMAT_FLOAT
) |
5112 S_008F0C_DATA_FORMAT(V_008F0C_BUF_DATA_FORMAT_32
);
5115 /* older generations need element size = 16 bytes. element size removed in GFX9 */
5116 if (ctx
->program
->chip_class
<= GFX8
)
5117 rsrc_conf
|= S_008F0C_ELEMENT_SIZE(3);
5119 return bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s4
), scratch_addr
, Operand(-1u), Operand(rsrc_conf
));
5122 void visit_load_scratch(isel_context
*ctx
, nir_intrinsic_instr
*instr
) {
5123 assert(instr
->dest
.ssa
.bit_size
== 32 || instr
->dest
.ssa
.bit_size
== 64);
5124 Builder
bld(ctx
->program
, ctx
->block
);
5125 Temp rsrc
= get_scratch_resource(ctx
);
5126 Temp offset
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
5127 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5130 switch (dst
.size()) {
5132 op
= aco_opcode::buffer_load_dword
;
5135 op
= aco_opcode::buffer_load_dwordx2
;
5138 op
= aco_opcode::buffer_load_dwordx3
;
5141 op
= aco_opcode::buffer_load_dwordx4
;
5145 std::array
<Temp
,NIR_MAX_VEC_COMPONENTS
> elems
;
5146 Temp lower
= bld
.mubuf(aco_opcode::buffer_load_dwordx4
,
5147 bld
.def(v4
), offset
, rsrc
,
5148 ctx
->program
->scratch_offset
, 0, true);
5149 Temp upper
= bld
.mubuf(dst
.size() == 6 ? aco_opcode::buffer_load_dwordx2
:
5150 aco_opcode::buffer_load_dwordx4
,
5151 dst
.size() == 6 ? bld
.def(v2
) : bld
.def(v4
),
5152 offset
, rsrc
, ctx
->program
->scratch_offset
, 16, true);
5153 emit_split_vector(ctx
, lower
, 2);
5154 elems
[0] = emit_extract_vector(ctx
, lower
, 0, v2
);
5155 elems
[1] = emit_extract_vector(ctx
, lower
, 1, v2
);
5156 if (dst
.size() == 8) {
5157 emit_split_vector(ctx
, upper
, 2);
5158 elems
[2] = emit_extract_vector(ctx
, upper
, 0, v2
);
5159 elems
[3] = emit_extract_vector(ctx
, upper
, 1, v2
);
5164 aco_ptr
<Instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
,
5165 Format::PSEUDO
, dst
.size() / 2, 1)};
5166 for (unsigned i
= 0; i
< dst
.size() / 2; i
++)
5167 vec
->operands
[i
] = Operand(elems
[i
]);
5168 vec
->definitions
[0] = Definition(dst
);
5169 bld
.insert(std::move(vec
));
5170 ctx
->allocated_vec
.emplace(dst
.id(), elems
);
5174 unreachable("Wrong dst size for nir_intrinsic_load_scratch");
5177 bld
.mubuf(op
, Definition(dst
), offset
, rsrc
, ctx
->program
->scratch_offset
, 0, true);
5178 emit_split_vector(ctx
, dst
, instr
->num_components
);
5181 void visit_store_scratch(isel_context
*ctx
, nir_intrinsic_instr
*instr
) {
5182 assert(instr
->src
[0].ssa
->bit_size
== 32 || instr
->src
[0].ssa
->bit_size
== 64);
5183 Builder
bld(ctx
->program
, ctx
->block
);
5184 Temp rsrc
= get_scratch_resource(ctx
);
5185 Temp data
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
5186 Temp offset
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[1].ssa
));
5188 unsigned elem_size_bytes
= instr
->src
[0].ssa
->bit_size
/ 8;
5189 unsigned writemask
= nir_intrinsic_write_mask(instr
);
5193 u_bit_scan_consecutive_range(&writemask
, &start
, &count
);
5194 int num_bytes
= count
* elem_size_bytes
;
5196 if (num_bytes
> 16) {
5197 assert(elem_size_bytes
== 8);
5198 writemask
|= (((count
- 2) << 1) - 1) << (start
+ 2);
5203 // TODO: check alignment of sub-dword stores
5204 // TODO: split 3 bytes. there is no store instruction for that
5207 if (count
!= instr
->num_components
) {
5208 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, count
, 1)};
5209 for (int i
= 0; i
< count
; i
++) {
5210 Temp elem
= emit_extract_vector(ctx
, data
, start
+ i
, RegClass(RegType::vgpr
, elem_size_bytes
/ 4));
5211 vec
->operands
[i
] = Operand(elem
);
5213 write_data
= bld
.tmp(RegClass(RegType::vgpr
, count
* elem_size_bytes
/ 4));
5214 vec
->definitions
[0] = Definition(write_data
);
5215 ctx
->block
->instructions
.emplace_back(std::move(vec
));
5221 switch (num_bytes
) {
5223 op
= aco_opcode::buffer_store_dword
;
5226 op
= aco_opcode::buffer_store_dwordx2
;
5229 op
= aco_opcode::buffer_store_dwordx3
;
5232 op
= aco_opcode::buffer_store_dwordx4
;
5235 unreachable("Invalid data size for nir_intrinsic_store_scratch.");
5238 bld
.mubuf(op
, offset
, rsrc
, ctx
->program
->scratch_offset
, write_data
, start
* elem_size_bytes
, true);
5242 void visit_load_sample_mask_in(isel_context
*ctx
, nir_intrinsic_instr
*instr
) {
5243 uint8_t log2_ps_iter_samples
;
5244 if (ctx
->program
->info
->ps
.force_persample
) {
5245 log2_ps_iter_samples
=
5246 util_logbase2(ctx
->options
->key
.fs
.num_samples
);
5248 log2_ps_iter_samples
= ctx
->options
->key
.fs
.log2_ps_iter_samples
;
5251 /* The bit pattern matches that used by fixed function fragment
5253 static const unsigned ps_iter_masks
[] = {
5254 0xffff, /* not used */
5260 assert(log2_ps_iter_samples
< ARRAY_SIZE(ps_iter_masks
));
5262 Builder
bld(ctx
->program
, ctx
->block
);
5264 Temp sample_id
= bld
.vop3(aco_opcode::v_bfe_u32
, bld
.def(v1
),
5265 get_arg(ctx
, ctx
->args
->ac
.ancillary
), Operand(8u), Operand(4u));
5266 Temp ps_iter_mask
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(ps_iter_masks
[log2_ps_iter_samples
]));
5267 Temp mask
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), sample_id
, ps_iter_mask
);
5268 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5269 bld
.vop2(aco_opcode::v_and_b32
, Definition(dst
), mask
, get_arg(ctx
, ctx
->args
->ac
.sample_coverage
));
5272 Temp
emit_boolean_reduce(isel_context
*ctx
, nir_op op
, unsigned cluster_size
, Temp src
)
5274 Builder
bld(ctx
->program
, ctx
->block
);
5276 if (cluster_size
== 1) {
5278 } if (op
== nir_op_iand
&& cluster_size
== 4) {
5279 //subgroupClusteredAnd(val, 4) -> ~wqm(exec & ~val)
5280 Temp tmp
= bld
.sop2(Builder::s_andn2
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), Operand(exec
, bld
.lm
), src
);
5281 return bld
.sop1(Builder::s_not
, bld
.def(bld
.lm
), bld
.def(s1
, scc
),
5282 bld
.sop1(Builder::s_wqm
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), tmp
));
5283 } else if (op
== nir_op_ior
&& cluster_size
== 4) {
5284 //subgroupClusteredOr(val, 4) -> wqm(val & exec)
5285 return bld
.sop1(Builder::s_wqm
, bld
.def(bld
.lm
), bld
.def(s1
, scc
),
5286 bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), src
, Operand(exec
, bld
.lm
)));
5287 } else if (op
== nir_op_iand
&& cluster_size
== ctx
->program
->wave_size
) {
5288 //subgroupAnd(val) -> (exec & ~val) == 0
5289 Temp tmp
= bld
.sop2(Builder::s_andn2
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), Operand(exec
, bld
.lm
), src
).def(1).getTemp();
5290 return bld
.sop2(Builder::s_cselect
, bld
.def(bld
.lm
), Operand(0u), Operand(-1u), bld
.scc(tmp
));
5291 } else if (op
== nir_op_ior
&& cluster_size
== ctx
->program
->wave_size
) {
5292 //subgroupOr(val) -> (val & exec) != 0
5293 Temp tmp
= bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), src
, Operand(exec
, bld
.lm
)).def(1).getTemp();
5294 return bool_to_vector_condition(ctx
, tmp
);
5295 } else if (op
== nir_op_ixor
&& cluster_size
== ctx
->program
->wave_size
) {
5296 //subgroupXor(val) -> s_bcnt1_i32_b64(val & exec) & 1
5297 Temp tmp
= bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), src
, Operand(exec
, bld
.lm
));
5298 tmp
= bld
.sop1(Builder::s_bcnt1_i32
, bld
.def(s1
), bld
.def(s1
, scc
), tmp
);
5299 tmp
= bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), tmp
, Operand(1u)).def(1).getTemp();
5300 return bool_to_vector_condition(ctx
, tmp
);
5302 //subgroupClustered{And,Or,Xor}(val, n) ->
5303 //lane_id = v_mbcnt_hi_u32_b32(-1, v_mbcnt_lo_u32_b32(-1, 0)) ; just v_mbcnt_lo_u32_b32 on wave32
5304 //cluster_offset = ~(n - 1) & lane_id
5305 //cluster_mask = ((1 << n) - 1)
5306 //subgroupClusteredAnd():
5307 // return ((val | ~exec) >> cluster_offset) & cluster_mask == cluster_mask
5308 //subgroupClusteredOr():
5309 // return ((val & exec) >> cluster_offset) & cluster_mask != 0
5310 //subgroupClusteredXor():
5311 // return v_bnt_u32_b32(((val & exec) >> cluster_offset) & cluster_mask, 0) & 1 != 0
5312 Temp lane_id
= emit_mbcnt(ctx
, bld
.def(v1
));
5313 Temp cluster_offset
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(~uint32_t(cluster_size
- 1)), lane_id
);
5316 if (op
== nir_op_iand
)
5317 tmp
= bld
.sop2(Builder::s_orn2
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), src
, Operand(exec
, bld
.lm
));
5319 tmp
= bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), src
, Operand(exec
, bld
.lm
));
5321 uint32_t cluster_mask
= cluster_size
== 32 ? -1 : (1u << cluster_size
) - 1u;
5323 if (ctx
->program
->chip_class
<= GFX7
)
5324 tmp
= bld
.vop3(aco_opcode::v_lshr_b64
, bld
.def(v2
), tmp
, cluster_offset
);
5325 else if (ctx
->program
->wave_size
== 64)
5326 tmp
= bld
.vop3(aco_opcode::v_lshrrev_b64
, bld
.def(v2
), cluster_offset
, tmp
);
5328 tmp
= bld
.vop2_e64(aco_opcode::v_lshrrev_b32
, bld
.def(v1
), cluster_offset
, tmp
);
5329 tmp
= emit_extract_vector(ctx
, tmp
, 0, v1
);
5330 if (cluster_mask
!= 0xffffffff)
5331 tmp
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(cluster_mask
), tmp
);
5333 Definition cmp_def
= Definition();
5334 if (op
== nir_op_iand
) {
5335 cmp_def
= bld
.vopc(aco_opcode::v_cmp_eq_u32
, bld
.def(bld
.lm
), Operand(cluster_mask
), tmp
).def(0);
5336 } else if (op
== nir_op_ior
) {
5337 cmp_def
= bld
.vopc(aco_opcode::v_cmp_lg_u32
, bld
.def(bld
.lm
), Operand(0u), tmp
).def(0);
5338 } else if (op
== nir_op_ixor
) {
5339 tmp
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(1u),
5340 bld
.vop3(aco_opcode::v_bcnt_u32_b32
, bld
.def(v1
), tmp
, Operand(0u)));
5341 cmp_def
= bld
.vopc(aco_opcode::v_cmp_lg_u32
, bld
.def(bld
.lm
), Operand(0u), tmp
).def(0);
5343 cmp_def
.setHint(vcc
);
5344 return cmp_def
.getTemp();
5348 Temp
emit_boolean_exclusive_scan(isel_context
*ctx
, nir_op op
, Temp src
)
5350 Builder
bld(ctx
->program
, ctx
->block
);
5352 //subgroupExclusiveAnd(val) -> mbcnt(exec & ~val) == 0
5353 //subgroupExclusiveOr(val) -> mbcnt(val & exec) != 0
5354 //subgroupExclusiveXor(val) -> mbcnt(val & exec) & 1 != 0
5356 if (op
== nir_op_iand
)
5357 tmp
= bld
.sop2(Builder::s_andn2
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), Operand(exec
, bld
.lm
), src
);
5359 tmp
= bld
.sop2(Builder::s_and
, bld
.def(s2
), bld
.def(s1
, scc
), src
, Operand(exec
, bld
.lm
));
5361 Builder::Result lohi
= bld
.pseudo(aco_opcode::p_split_vector
, bld
.def(s1
), bld
.def(s1
), tmp
);
5362 Temp lo
= lohi
.def(0).getTemp();
5363 Temp hi
= lohi
.def(1).getTemp();
5364 Temp mbcnt
= emit_mbcnt(ctx
, bld
.def(v1
), Operand(lo
), Operand(hi
));
5366 Definition cmp_def
= Definition();
5367 if (op
== nir_op_iand
)
5368 cmp_def
= bld
.vopc(aco_opcode::v_cmp_eq_u32
, bld
.def(bld
.lm
), Operand(0u), mbcnt
).def(0);
5369 else if (op
== nir_op_ior
)
5370 cmp_def
= bld
.vopc(aco_opcode::v_cmp_lg_u32
, bld
.def(bld
.lm
), Operand(0u), mbcnt
).def(0);
5371 else if (op
== nir_op_ixor
)
5372 cmp_def
= bld
.vopc(aco_opcode::v_cmp_lg_u32
, bld
.def(bld
.lm
), Operand(0u),
5373 bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(1u), mbcnt
)).def(0);
5374 cmp_def
.setHint(vcc
);
5375 return cmp_def
.getTemp();
5378 Temp
emit_boolean_inclusive_scan(isel_context
*ctx
, nir_op op
, Temp src
)
5380 Builder
bld(ctx
->program
, ctx
->block
);
5382 //subgroupInclusiveAnd(val) -> subgroupExclusiveAnd(val) && val
5383 //subgroupInclusiveOr(val) -> subgroupExclusiveOr(val) || val
5384 //subgroupInclusiveXor(val) -> subgroupExclusiveXor(val) ^^ val
5385 Temp tmp
= emit_boolean_exclusive_scan(ctx
, op
, src
);
5386 if (op
== nir_op_iand
)
5387 return bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), tmp
, src
);
5388 else if (op
== nir_op_ior
)
5389 return bld
.sop2(Builder::s_or
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), tmp
, src
);
5390 else if (op
== nir_op_ixor
)
5391 return bld
.sop2(Builder::s_xor
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), tmp
, src
);
5397 void emit_uniform_subgroup(isel_context
*ctx
, nir_intrinsic_instr
*instr
, Temp src
)
5399 Builder
bld(ctx
->program
, ctx
->block
);
5400 Definition
dst(get_ssa_temp(ctx
, &instr
->dest
.ssa
));
5401 if (src
.regClass().type() == RegType::vgpr
) {
5402 bld
.pseudo(aco_opcode::p_as_uniform
, dst
, src
);
5403 } else if (src
.regClass() == s1
) {
5404 bld
.sop1(aco_opcode::s_mov_b32
, dst
, src
);
5405 } else if (src
.regClass() == s2
) {
5406 bld
.sop1(aco_opcode::s_mov_b64
, dst
, src
);
5408 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5409 nir_print_instr(&instr
->instr
, stderr
);
5410 fprintf(stderr
, "\n");
5414 void emit_interp_center(isel_context
*ctx
, Temp dst
, Temp pos1
, Temp pos2
)
5416 Builder
bld(ctx
->program
, ctx
->block
);
5417 Temp persp_center
= get_arg(ctx
, ctx
->args
->ac
.persp_center
);
5418 Temp p1
= emit_extract_vector(ctx
, persp_center
, 0, v1
);
5419 Temp p2
= emit_extract_vector(ctx
, persp_center
, 1, v1
);
5421 Temp ddx_1
, ddx_2
, ddy_1
, ddy_2
;
5422 uint32_t dpp_ctrl0
= dpp_quad_perm(0, 0, 0, 0);
5423 uint32_t dpp_ctrl1
= dpp_quad_perm(1, 1, 1, 1);
5424 uint32_t dpp_ctrl2
= dpp_quad_perm(2, 2, 2, 2);
5427 if (ctx
->program
->chip_class
>= GFX8
) {
5428 Temp tl_1
= bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), p1
, dpp_ctrl0
);
5429 ddx_1
= bld
.vop2_dpp(aco_opcode::v_sub_f32
, bld
.def(v1
), p1
, tl_1
, dpp_ctrl1
);
5430 ddy_1
= bld
.vop2_dpp(aco_opcode::v_sub_f32
, bld
.def(v1
), p1
, tl_1
, dpp_ctrl2
);
5431 Temp tl_2
= bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), p2
, dpp_ctrl0
);
5432 ddx_2
= bld
.vop2_dpp(aco_opcode::v_sub_f32
, bld
.def(v1
), p2
, tl_2
, dpp_ctrl1
);
5433 ddy_2
= bld
.vop2_dpp(aco_opcode::v_sub_f32
, bld
.def(v1
), p2
, tl_2
, dpp_ctrl2
);
5435 Temp tl_1
= bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), p1
, (1 << 15) | dpp_ctrl0
);
5436 ddx_1
= bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), p1
, (1 << 15) | dpp_ctrl1
);
5437 ddx_1
= bld
.vop2(aco_opcode::v_sub_f32
, bld
.def(v1
), ddx_1
, tl_1
);
5438 ddx_2
= bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), p1
, (1 << 15) | dpp_ctrl2
);
5439 ddx_2
= bld
.vop2(aco_opcode::v_sub_f32
, bld
.def(v1
), ddx_2
, tl_1
);
5440 Temp tl_2
= bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), p2
, (1 << 15) | dpp_ctrl0
);
5441 ddy_1
= bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), p2
, (1 << 15) | dpp_ctrl1
);
5442 ddy_1
= bld
.vop2(aco_opcode::v_sub_f32
, bld
.def(v1
), ddy_1
, tl_2
);
5443 ddy_2
= bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), p2
, (1 << 15) | dpp_ctrl2
);
5444 ddy_2
= bld
.vop2(aco_opcode::v_sub_f32
, bld
.def(v1
), ddy_2
, tl_2
);
5447 /* res_k = p_k + ddx_k * pos1 + ddy_k * pos2 */
5448 Temp tmp1
= bld
.vop3(aco_opcode::v_mad_f32
, bld
.def(v1
), ddx_1
, pos1
, p1
);
5449 Temp tmp2
= bld
.vop3(aco_opcode::v_mad_f32
, bld
.def(v1
), ddx_2
, pos1
, p2
);
5450 tmp1
= bld
.vop3(aco_opcode::v_mad_f32
, bld
.def(v1
), ddy_1
, pos2
, tmp1
);
5451 tmp2
= bld
.vop3(aco_opcode::v_mad_f32
, bld
.def(v1
), ddy_2
, pos2
, tmp2
);
5452 Temp wqm1
= bld
.tmp(v1
);
5453 emit_wqm(ctx
, tmp1
, wqm1
, true);
5454 Temp wqm2
= bld
.tmp(v1
);
5455 emit_wqm(ctx
, tmp2
, wqm2
, true);
5456 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), wqm1
, wqm2
);
5460 void visit_intrinsic(isel_context
*ctx
, nir_intrinsic_instr
*instr
)
5462 Builder
bld(ctx
->program
, ctx
->block
);
5463 switch(instr
->intrinsic
) {
5464 case nir_intrinsic_load_barycentric_sample
:
5465 case nir_intrinsic_load_barycentric_pixel
:
5466 case nir_intrinsic_load_barycentric_centroid
: {
5467 glsl_interp_mode mode
= (glsl_interp_mode
)nir_intrinsic_interp_mode(instr
);
5468 Temp bary
= Temp(0, s2
);
5470 case INTERP_MODE_SMOOTH
:
5471 case INTERP_MODE_NONE
:
5472 if (instr
->intrinsic
== nir_intrinsic_load_barycentric_pixel
)
5473 bary
= get_arg(ctx
, ctx
->args
->ac
.persp_center
);
5474 else if (instr
->intrinsic
== nir_intrinsic_load_barycentric_centroid
)
5475 bary
= ctx
->persp_centroid
;
5476 else if (instr
->intrinsic
== nir_intrinsic_load_barycentric_sample
)
5477 bary
= get_arg(ctx
, ctx
->args
->ac
.persp_sample
);
5479 case INTERP_MODE_NOPERSPECTIVE
:
5480 if (instr
->intrinsic
== nir_intrinsic_load_barycentric_pixel
)
5481 bary
= get_arg(ctx
, ctx
->args
->ac
.linear_center
);
5482 else if (instr
->intrinsic
== nir_intrinsic_load_barycentric_centroid
)
5483 bary
= ctx
->linear_centroid
;
5484 else if (instr
->intrinsic
== nir_intrinsic_load_barycentric_sample
)
5485 bary
= get_arg(ctx
, ctx
->args
->ac
.linear_sample
);
5490 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5491 Temp p1
= emit_extract_vector(ctx
, bary
, 0, v1
);
5492 Temp p2
= emit_extract_vector(ctx
, bary
, 1, v1
);
5493 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
5494 Operand(p1
), Operand(p2
));
5495 emit_split_vector(ctx
, dst
, 2);
5498 case nir_intrinsic_load_barycentric_at_sample
: {
5499 uint32_t sample_pos_offset
= RING_PS_SAMPLE_POSITIONS
* 16;
5500 switch (ctx
->options
->key
.fs
.num_samples
) {
5501 case 2: sample_pos_offset
+= 1 << 3; break;
5502 case 4: sample_pos_offset
+= 3 << 3; break;
5503 case 8: sample_pos_offset
+= 7 << 3; break;
5507 Temp addr
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5508 nir_const_value
* const_addr
= nir_src_as_const_value(instr
->src
[0]);
5509 Temp private_segment_buffer
= ctx
->program
->private_segment_buffer
;
5510 if (addr
.type() == RegType::sgpr
) {
5513 sample_pos_offset
+= const_addr
->u32
<< 3;
5514 offset
= Operand(sample_pos_offset
);
5515 } else if (ctx
->options
->chip_class
>= GFX9
) {
5516 offset
= bld
.sop2(aco_opcode::s_lshl3_add_u32
, bld
.def(s1
), bld
.def(s1
, scc
), addr
, Operand(sample_pos_offset
));
5518 offset
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), addr
, Operand(3u));
5519 offset
= bld
.sop2(aco_opcode::s_add_u32
, bld
.def(s1
), bld
.def(s1
, scc
), addr
, Operand(sample_pos_offset
));
5521 sample_pos
= bld
.smem(aco_opcode::s_load_dwordx2
, bld
.def(s2
), private_segment_buffer
, Operand(offset
));
5523 } else if (ctx
->options
->chip_class
>= GFX9
) {
5524 addr
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(3u), addr
);
5525 sample_pos
= bld
.global(aco_opcode::global_load_dwordx2
, bld
.def(v2
), addr
, private_segment_buffer
, sample_pos_offset
);
5527 /* addr += private_segment_buffer + sample_pos_offset */
5528 Temp tmp0
= bld
.tmp(s1
);
5529 Temp tmp1
= bld
.tmp(s1
);
5530 bld
.pseudo(aco_opcode::p_split_vector
, Definition(tmp0
), Definition(tmp1
), private_segment_buffer
);
5531 Definition scc_tmp
= bld
.def(s1
, scc
);
5532 tmp0
= bld
.sop2(aco_opcode::s_add_u32
, bld
.def(s1
), scc_tmp
, tmp0
, Operand(sample_pos_offset
));
5533 tmp1
= bld
.sop2(aco_opcode::s_addc_u32
, bld
.def(s1
), bld
.def(s1
, scc
), tmp1
, Operand(0u), bld
.scc(scc_tmp
.getTemp()));
5534 addr
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(3u), addr
);
5535 Temp pck0
= bld
.tmp(v1
);
5536 Temp carry
= bld
.vadd32(Definition(pck0
), tmp0
, addr
, true).def(1).getTemp();
5537 tmp1
= as_vgpr(ctx
, tmp1
);
5538 Temp pck1
= bld
.vop2_e64(aco_opcode::v_addc_co_u32
, bld
.def(v1
), bld
.hint_vcc(bld
.def(bld
.lm
)), tmp1
, Operand(0u), carry
);
5539 addr
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
), pck0
, pck1
);
5541 /* sample_pos = flat_load_dwordx2 addr */
5542 sample_pos
= bld
.flat(aco_opcode::flat_load_dwordx2
, bld
.def(v2
), addr
, Operand(s1
));
5545 /* sample_pos -= 0.5 */
5546 Temp pos1
= bld
.tmp(RegClass(sample_pos
.type(), 1));
5547 Temp pos2
= bld
.tmp(RegClass(sample_pos
.type(), 1));
5548 bld
.pseudo(aco_opcode::p_split_vector
, Definition(pos1
), Definition(pos2
), sample_pos
);
5549 pos1
= bld
.vop2_e64(aco_opcode::v_sub_f32
, bld
.def(v1
), pos1
, Operand(0x3f000000u
));
5550 pos2
= bld
.vop2_e64(aco_opcode::v_sub_f32
, bld
.def(v1
), pos2
, Operand(0x3f000000u
));
5552 emit_interp_center(ctx
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), pos1
, pos2
);
5555 case nir_intrinsic_load_barycentric_at_offset
: {
5556 Temp offset
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5557 RegClass rc
= RegClass(offset
.type(), 1);
5558 Temp pos1
= bld
.tmp(rc
), pos2
= bld
.tmp(rc
);
5559 bld
.pseudo(aco_opcode::p_split_vector
, Definition(pos1
), Definition(pos2
), offset
);
5560 emit_interp_center(ctx
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), pos1
, pos2
);
5563 case nir_intrinsic_load_front_face
: {
5564 bld
.vopc(aco_opcode::v_cmp_lg_u32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)),
5565 Operand(0u), get_arg(ctx
, ctx
->args
->ac
.front_face
)).def(0).setHint(vcc
);
5568 case nir_intrinsic_load_view_index
:
5569 case nir_intrinsic_load_layer_id
: {
5570 if (instr
->intrinsic
== nir_intrinsic_load_view_index
&& (ctx
->stage
& sw_vs
)) {
5571 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5572 bld
.copy(Definition(dst
), Operand(get_arg(ctx
, ctx
->args
->ac
.view_index
)));
5576 unsigned idx
= nir_intrinsic_base(instr
);
5577 bld
.vintrp(aco_opcode::v_interp_mov_f32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)),
5578 Operand(2u), bld
.m0(get_arg(ctx
, ctx
->args
->ac
.prim_mask
)), idx
, 0);
5581 case nir_intrinsic_load_frag_coord
: {
5582 emit_load_frag_coord(ctx
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), 4);
5585 case nir_intrinsic_load_sample_pos
: {
5586 Temp posx
= get_arg(ctx
, ctx
->args
->ac
.frag_pos
[0]);
5587 Temp posy
= get_arg(ctx
, ctx
->args
->ac
.frag_pos
[1]);
5588 bld
.pseudo(aco_opcode::p_create_vector
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)),
5589 posx
.id() ? bld
.vop1(aco_opcode::v_fract_f32
, bld
.def(v1
), posx
) : Operand(0u),
5590 posy
.id() ? bld
.vop1(aco_opcode::v_fract_f32
, bld
.def(v1
), posy
) : Operand(0u));
5593 case nir_intrinsic_load_interpolated_input
:
5594 visit_load_interpolated_input(ctx
, instr
);
5596 case nir_intrinsic_store_output
:
5597 visit_store_output(ctx
, instr
);
5599 case nir_intrinsic_load_input
:
5600 visit_load_input(ctx
, instr
);
5602 case nir_intrinsic_load_ubo
:
5603 visit_load_ubo(ctx
, instr
);
5605 case nir_intrinsic_load_push_constant
:
5606 visit_load_push_constant(ctx
, instr
);
5608 case nir_intrinsic_load_constant
:
5609 visit_load_constant(ctx
, instr
);
5611 case nir_intrinsic_vulkan_resource_index
:
5612 visit_load_resource(ctx
, instr
);
5614 case nir_intrinsic_discard
:
5615 visit_discard(ctx
, instr
);
5617 case nir_intrinsic_discard_if
:
5618 visit_discard_if(ctx
, instr
);
5620 case nir_intrinsic_load_shared
:
5621 visit_load_shared(ctx
, instr
);
5623 case nir_intrinsic_store_shared
:
5624 visit_store_shared(ctx
, instr
);
5626 case nir_intrinsic_shared_atomic_add
:
5627 case nir_intrinsic_shared_atomic_imin
:
5628 case nir_intrinsic_shared_atomic_umin
:
5629 case nir_intrinsic_shared_atomic_imax
:
5630 case nir_intrinsic_shared_atomic_umax
:
5631 case nir_intrinsic_shared_atomic_and
:
5632 case nir_intrinsic_shared_atomic_or
:
5633 case nir_intrinsic_shared_atomic_xor
:
5634 case nir_intrinsic_shared_atomic_exchange
:
5635 case nir_intrinsic_shared_atomic_comp_swap
:
5636 visit_shared_atomic(ctx
, instr
);
5638 case nir_intrinsic_image_deref_load
:
5639 visit_image_load(ctx
, instr
);
5641 case nir_intrinsic_image_deref_store
:
5642 visit_image_store(ctx
, instr
);
5644 case nir_intrinsic_image_deref_atomic_add
:
5645 case nir_intrinsic_image_deref_atomic_umin
:
5646 case nir_intrinsic_image_deref_atomic_imin
:
5647 case nir_intrinsic_image_deref_atomic_umax
:
5648 case nir_intrinsic_image_deref_atomic_imax
:
5649 case nir_intrinsic_image_deref_atomic_and
:
5650 case nir_intrinsic_image_deref_atomic_or
:
5651 case nir_intrinsic_image_deref_atomic_xor
:
5652 case nir_intrinsic_image_deref_atomic_exchange
:
5653 case nir_intrinsic_image_deref_atomic_comp_swap
:
5654 visit_image_atomic(ctx
, instr
);
5656 case nir_intrinsic_image_deref_size
:
5657 visit_image_size(ctx
, instr
);
5659 case nir_intrinsic_load_ssbo
:
5660 visit_load_ssbo(ctx
, instr
);
5662 case nir_intrinsic_store_ssbo
:
5663 visit_store_ssbo(ctx
, instr
);
5665 case nir_intrinsic_load_global
:
5666 visit_load_global(ctx
, instr
);
5668 case nir_intrinsic_store_global
:
5669 visit_store_global(ctx
, instr
);
5671 case nir_intrinsic_global_atomic_add
:
5672 case nir_intrinsic_global_atomic_imin
:
5673 case nir_intrinsic_global_atomic_umin
:
5674 case nir_intrinsic_global_atomic_imax
:
5675 case nir_intrinsic_global_atomic_umax
:
5676 case nir_intrinsic_global_atomic_and
:
5677 case nir_intrinsic_global_atomic_or
:
5678 case nir_intrinsic_global_atomic_xor
:
5679 case nir_intrinsic_global_atomic_exchange
:
5680 case nir_intrinsic_global_atomic_comp_swap
:
5681 visit_global_atomic(ctx
, instr
);
5683 case nir_intrinsic_ssbo_atomic_add
:
5684 case nir_intrinsic_ssbo_atomic_imin
:
5685 case nir_intrinsic_ssbo_atomic_umin
:
5686 case nir_intrinsic_ssbo_atomic_imax
:
5687 case nir_intrinsic_ssbo_atomic_umax
:
5688 case nir_intrinsic_ssbo_atomic_and
:
5689 case nir_intrinsic_ssbo_atomic_or
:
5690 case nir_intrinsic_ssbo_atomic_xor
:
5691 case nir_intrinsic_ssbo_atomic_exchange
:
5692 case nir_intrinsic_ssbo_atomic_comp_swap
:
5693 visit_atomic_ssbo(ctx
, instr
);
5695 case nir_intrinsic_load_scratch
:
5696 visit_load_scratch(ctx
, instr
);
5698 case nir_intrinsic_store_scratch
:
5699 visit_store_scratch(ctx
, instr
);
5701 case nir_intrinsic_get_buffer_size
:
5702 visit_get_buffer_size(ctx
, instr
);
5704 case nir_intrinsic_barrier
: {
5705 unsigned* bsize
= ctx
->program
->info
->cs
.block_size
;
5706 unsigned workgroup_size
= bsize
[0] * bsize
[1] * bsize
[2];
5707 if (workgroup_size
> ctx
->program
->wave_size
)
5708 bld
.sopp(aco_opcode::s_barrier
);
5711 case nir_intrinsic_group_memory_barrier
:
5712 case nir_intrinsic_memory_barrier
:
5713 case nir_intrinsic_memory_barrier_atomic_counter
:
5714 case nir_intrinsic_memory_barrier_buffer
:
5715 case nir_intrinsic_memory_barrier_image
:
5716 case nir_intrinsic_memory_barrier_shared
:
5717 emit_memory_barrier(ctx
, instr
);
5719 case nir_intrinsic_load_num_work_groups
: {
5720 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5721 bld
.copy(Definition(dst
), Operand(get_arg(ctx
, ctx
->args
->ac
.num_work_groups
)));
5722 emit_split_vector(ctx
, dst
, 3);
5725 case nir_intrinsic_load_local_invocation_id
: {
5726 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5727 bld
.copy(Definition(dst
), Operand(get_arg(ctx
, ctx
->args
->ac
.local_invocation_ids
)));
5728 emit_split_vector(ctx
, dst
, 3);
5731 case nir_intrinsic_load_work_group_id
: {
5732 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5733 struct ac_arg
*args
= ctx
->args
->ac
.workgroup_ids
;
5734 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
),
5735 args
[0].used
? Operand(get_arg(ctx
, args
[0])) : Operand(0u),
5736 args
[1].used
? Operand(get_arg(ctx
, args
[1])) : Operand(0u),
5737 args
[2].used
? Operand(get_arg(ctx
, args
[2])) : Operand(0u));
5738 emit_split_vector(ctx
, dst
, 3);
5741 case nir_intrinsic_load_local_invocation_index
: {
5742 Temp id
= emit_mbcnt(ctx
, bld
.def(v1
));
5744 /* The tg_size bits [6:11] contain the subgroup id,
5745 * we need this multiplied by the wave size, and then OR the thread id to it.
5747 if (ctx
->program
->wave_size
== 64) {
5748 /* After the s_and the bits are already multiplied by 64 (left shifted by 6) so we can just feed that to v_or */
5749 Temp tg_num
= bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(0xfc0u
),
5750 get_arg(ctx
, ctx
->args
->ac
.tg_size
));
5751 bld
.vop2(aco_opcode::v_or_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), tg_num
, id
);
5753 /* Extract the bit field and multiply the result by 32 (left shift by 5), then do the OR */
5754 Temp tg_num
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
),
5755 get_arg(ctx
, ctx
->args
->ac
.tg_size
), Operand(0x6u
| (0x6u
<< 16)));
5756 bld
.vop3(aco_opcode::v_lshl_or_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), tg_num
, Operand(0x5u
), id
);
5760 case nir_intrinsic_load_subgroup_id
: {
5761 if (ctx
->stage
== compute_cs
) {
5762 bld
.sop2(aco_opcode::s_bfe_u32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), bld
.def(s1
, scc
),
5763 get_arg(ctx
, ctx
->args
->ac
.tg_size
), Operand(0x6u
| (0x6u
<< 16)));
5765 bld
.sop1(aco_opcode::s_mov_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), Operand(0x0u
));
5769 case nir_intrinsic_load_subgroup_invocation
: {
5770 emit_mbcnt(ctx
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)));
5773 case nir_intrinsic_load_num_subgroups
: {
5774 if (ctx
->stage
== compute_cs
)
5775 bld
.sop2(aco_opcode::s_and_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), bld
.def(s1
, scc
), Operand(0x3fu
),
5776 get_arg(ctx
, ctx
->args
->ac
.tg_size
));
5778 bld
.sop1(aco_opcode::s_mov_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), Operand(0x1u
));
5781 case nir_intrinsic_ballot
: {
5782 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5783 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5784 Definition tmp
= bld
.def(dst
.regClass());
5785 Definition lanemask_tmp
= dst
.size() == bld
.lm
.size() ? tmp
: bld
.def(src
.regClass());
5786 if (instr
->src
[0].ssa
->bit_size
== 1) {
5787 assert(src
.regClass() == bld
.lm
);
5788 bld
.sop2(Builder::s_and
, lanemask_tmp
, bld
.def(s1
, scc
), Operand(exec
, bld
.lm
), src
);
5789 } else if (instr
->src
[0].ssa
->bit_size
== 32 && src
.regClass() == v1
) {
5790 bld
.vopc(aco_opcode::v_cmp_lg_u32
, lanemask_tmp
, Operand(0u), src
);
5791 } else if (instr
->src
[0].ssa
->bit_size
== 64 && src
.regClass() == v2
) {
5792 bld
.vopc(aco_opcode::v_cmp_lg_u64
, lanemask_tmp
, Operand(0u), src
);
5794 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5795 nir_print_instr(&instr
->instr
, stderr
);
5796 fprintf(stderr
, "\n");
5798 if (dst
.size() != bld
.lm
.size()) {
5799 /* Wave32 with ballot size set to 64 */
5800 bld
.pseudo(aco_opcode::p_create_vector
, Definition(tmp
), lanemask_tmp
.getTemp(), Operand(0u));
5802 emit_wqm(ctx
, tmp
.getTemp(), dst
);
5805 case nir_intrinsic_shuffle
:
5806 case nir_intrinsic_read_invocation
: {
5807 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5808 if (!ctx
->divergent_vals
[instr
->src
[0].ssa
->index
]) {
5809 emit_uniform_subgroup(ctx
, instr
, src
);
5811 Temp tid
= get_ssa_temp(ctx
, instr
->src
[1].ssa
);
5812 if (instr
->intrinsic
== nir_intrinsic_read_invocation
|| !ctx
->divergent_vals
[instr
->src
[1].ssa
->index
])
5813 tid
= bld
.as_uniform(tid
);
5814 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5815 if (src
.regClass() == v1
) {
5816 emit_wqm(ctx
, emit_bpermute(ctx
, bld
, tid
, src
), dst
);
5817 } else if (src
.regClass() == v2
) {
5818 Temp lo
= bld
.tmp(v1
), hi
= bld
.tmp(v1
);
5819 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lo
), Definition(hi
), src
);
5820 lo
= emit_wqm(ctx
, emit_bpermute(ctx
, bld
, tid
, lo
));
5821 hi
= emit_wqm(ctx
, emit_bpermute(ctx
, bld
, tid
, hi
));
5822 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
5823 emit_split_vector(ctx
, dst
, 2);
5824 } else if (instr
->dest
.ssa
.bit_size
== 1 && tid
.regClass() == s1
) {
5825 assert(src
.regClass() == bld
.lm
);
5826 Temp tmp
= bld
.sopc(Builder::s_bitcmp1
, bld
.def(s1
, scc
), src
, tid
);
5827 bool_to_vector_condition(ctx
, emit_wqm(ctx
, tmp
), dst
);
5828 } else if (instr
->dest
.ssa
.bit_size
== 1 && tid
.regClass() == v1
) {
5829 assert(src
.regClass() == bld
.lm
);
5831 if (ctx
->program
->chip_class
<= GFX7
)
5832 tmp
= bld
.vop3(aco_opcode::v_lshr_b64
, bld
.def(v2
), src
, tid
);
5833 else if (ctx
->program
->wave_size
== 64)
5834 tmp
= bld
.vop3(aco_opcode::v_lshrrev_b64
, bld
.def(v2
), tid
, src
);
5836 tmp
= bld
.vop2_e64(aco_opcode::v_lshrrev_b32
, bld
.def(v1
), tid
, src
);
5837 tmp
= emit_extract_vector(ctx
, tmp
, 0, v1
);
5838 tmp
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(1u), tmp
);
5839 emit_wqm(ctx
, bld
.vopc(aco_opcode::v_cmp_lg_u32
, bld
.def(bld
.lm
), Operand(0u), tmp
), dst
);
5841 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5842 nir_print_instr(&instr
->instr
, stderr
);
5843 fprintf(stderr
, "\n");
5848 case nir_intrinsic_load_sample_id
: {
5849 bld
.vop3(aco_opcode::v_bfe_u32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)),
5850 get_arg(ctx
, ctx
->args
->ac
.ancillary
), Operand(8u), Operand(4u));
5853 case nir_intrinsic_load_sample_mask_in
: {
5854 visit_load_sample_mask_in(ctx
, instr
);
5857 case nir_intrinsic_read_first_invocation
: {
5858 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5859 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5860 if (src
.regClass() == v1
) {
5862 bld
.vop1(aco_opcode::v_readfirstlane_b32
, bld
.def(s1
), src
),
5864 } else if (src
.regClass() == v2
) {
5865 Temp lo
= bld
.tmp(v1
), hi
= bld
.tmp(v1
);
5866 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lo
), Definition(hi
), src
);
5867 lo
= emit_wqm(ctx
, bld
.vop1(aco_opcode::v_readfirstlane_b32
, bld
.def(s1
), lo
));
5868 hi
= emit_wqm(ctx
, bld
.vop1(aco_opcode::v_readfirstlane_b32
, bld
.def(s1
), hi
));
5869 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
5870 emit_split_vector(ctx
, dst
, 2);
5871 } else if (instr
->dest
.ssa
.bit_size
== 1) {
5872 assert(src
.regClass() == bld
.lm
);
5873 Temp tmp
= bld
.sopc(Builder::s_bitcmp1
, bld
.def(s1
, scc
), src
,
5874 bld
.sop1(Builder::s_ff1_i32
, bld
.def(s1
), Operand(exec
, bld
.lm
)));
5875 bool_to_vector_condition(ctx
, emit_wqm(ctx
, tmp
), dst
);
5876 } else if (src
.regClass() == s1
) {
5877 bld
.sop1(aco_opcode::s_mov_b32
, Definition(dst
), src
);
5878 } else if (src
.regClass() == s2
) {
5879 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), src
);
5881 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
5882 nir_print_instr(&instr
->instr
, stderr
);
5883 fprintf(stderr
, "\n");
5887 case nir_intrinsic_vote_all
: {
5888 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5889 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5890 assert(src
.regClass() == bld
.lm
);
5891 assert(dst
.regClass() == bld
.lm
);
5893 Temp tmp
= bld
.sop2(Builder::s_andn2
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), Operand(exec
, bld
.lm
), src
).def(1).getTemp();
5894 Temp val
= bld
.sop2(Builder::s_cselect
, bld
.def(bld
.lm
), Operand(0u), Operand(-1u), bld
.scc(tmp
));
5895 emit_wqm(ctx
, val
, dst
);
5898 case nir_intrinsic_vote_any
: {
5899 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5900 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5901 assert(src
.regClass() == bld
.lm
);
5902 assert(dst
.regClass() == bld
.lm
);
5904 Temp tmp
= bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), Operand(exec
, bld
.lm
), src
).def(1).getTemp();
5905 Temp val
= bld
.sop2(Builder::s_cselect
, bld
.def(bld
.lm
), Operand(-1u), Operand(0u), bld
.scc(tmp
));
5906 emit_wqm(ctx
, val
, dst
);
5909 case nir_intrinsic_reduce
:
5910 case nir_intrinsic_inclusive_scan
:
5911 case nir_intrinsic_exclusive_scan
: {
5912 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
5913 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
5914 nir_op op
= (nir_op
) nir_intrinsic_reduction_op(instr
);
5915 unsigned cluster_size
= instr
->intrinsic
== nir_intrinsic_reduce
?
5916 nir_intrinsic_cluster_size(instr
) : 0;
5917 cluster_size
= util_next_power_of_two(MIN2(cluster_size
? cluster_size
: ctx
->program
->wave_size
, ctx
->program
->wave_size
));
5919 if (!ctx
->divergent_vals
[instr
->src
[0].ssa
->index
] && (op
== nir_op_ior
|| op
== nir_op_iand
)) {
5920 emit_uniform_subgroup(ctx
, instr
, src
);
5921 } else if (instr
->dest
.ssa
.bit_size
== 1) {
5922 if (op
== nir_op_imul
|| op
== nir_op_umin
|| op
== nir_op_imin
)
5924 else if (op
== nir_op_iadd
)
5926 else if (op
== nir_op_umax
|| op
== nir_op_imax
)
5928 assert(op
== nir_op_iand
|| op
== nir_op_ior
|| op
== nir_op_ixor
);
5930 switch (instr
->intrinsic
) {
5931 case nir_intrinsic_reduce
:
5932 emit_wqm(ctx
, emit_boolean_reduce(ctx
, op
, cluster_size
, src
), dst
);
5934 case nir_intrinsic_exclusive_scan
:
5935 emit_wqm(ctx
, emit_boolean_exclusive_scan(ctx
, op
, src
), dst
);
5937 case nir_intrinsic_inclusive_scan
:
5938 emit_wqm(ctx
, emit_boolean_inclusive_scan(ctx
, op
, src
), dst
);
5943 } else if (cluster_size
== 1) {
5944 bld
.copy(Definition(dst
), src
);
5946 src
= as_vgpr(ctx
, src
);
5950 #define CASE(name) case nir_op_##name: reduce_op = (src.regClass() == v1) ? name##32 : name##64; break;
5965 unreachable("unknown reduction op");
5970 switch (instr
->intrinsic
) {
5971 case nir_intrinsic_reduce
: aco_op
= aco_opcode::p_reduce
; break;
5972 case nir_intrinsic_inclusive_scan
: aco_op
= aco_opcode::p_inclusive_scan
; break;
5973 case nir_intrinsic_exclusive_scan
: aco_op
= aco_opcode::p_exclusive_scan
; break;
5975 unreachable("unknown reduce intrinsic");
5978 aco_ptr
<Pseudo_reduction_instruction
> reduce
{create_instruction
<Pseudo_reduction_instruction
>(aco_op
, Format::PSEUDO_REDUCTION
, 3, 5)};
5979 reduce
->operands
[0] = Operand(src
);
5980 // filled in by aco_reduce_assign.cpp, used internally as part of the
5982 assert(dst
.size() == 1 || dst
.size() == 2);
5983 reduce
->operands
[1] = Operand(RegClass(RegType::vgpr
, dst
.size()).as_linear());
5984 reduce
->operands
[2] = Operand(v1
.as_linear());
5986 Temp tmp_dst
= bld
.tmp(dst
.regClass());
5987 reduce
->definitions
[0] = Definition(tmp_dst
);
5988 reduce
->definitions
[1] = bld
.def(ctx
->program
->lane_mask
); // used internally
5989 reduce
->definitions
[2] = Definition();
5990 reduce
->definitions
[3] = Definition(scc
, s1
);
5991 reduce
->definitions
[4] = Definition();
5992 reduce
->reduce_op
= reduce_op
;
5993 reduce
->cluster_size
= cluster_size
;
5994 ctx
->block
->instructions
.emplace_back(std::move(reduce
));
5996 emit_wqm(ctx
, tmp_dst
, dst
);
6000 case nir_intrinsic_quad_broadcast
: {
6001 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
6002 if (!ctx
->divergent_vals
[instr
->dest
.ssa
.index
]) {
6003 emit_uniform_subgroup(ctx
, instr
, src
);
6005 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6006 unsigned lane
= nir_src_as_const_value(instr
->src
[1])->u32
;
6007 uint32_t dpp_ctrl
= dpp_quad_perm(lane
, lane
, lane
, lane
);
6009 if (instr
->dest
.ssa
.bit_size
== 1) {
6010 assert(src
.regClass() == bld
.lm
);
6011 assert(dst
.regClass() == bld
.lm
);
6012 uint32_t half_mask
= 0x11111111u
<< lane
;
6013 Temp mask_tmp
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s2
), Operand(half_mask
), Operand(half_mask
));
6014 Temp tmp
= bld
.tmp(bld
.lm
);
6015 bld
.sop1(Builder::s_wqm
, Definition(tmp
),
6016 bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), mask_tmp
,
6017 bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), src
, Operand(exec
, bld
.lm
))));
6018 emit_wqm(ctx
, tmp
, dst
);
6019 } else if (instr
->dest
.ssa
.bit_size
== 32) {
6020 if (ctx
->program
->chip_class
>= GFX8
)
6021 emit_wqm(ctx
, bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), src
, dpp_ctrl
), dst
);
6023 emit_wqm(ctx
, bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), src
, (1 << 15) | dpp_ctrl
), dst
);
6024 } else if (instr
->dest
.ssa
.bit_size
== 64) {
6025 Temp lo
= bld
.tmp(v1
), hi
= bld
.tmp(v1
);
6026 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lo
), Definition(hi
), src
);
6027 if (ctx
->program
->chip_class
>= GFX8
) {
6028 lo
= emit_wqm(ctx
, bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), lo
, dpp_ctrl
));
6029 hi
= emit_wqm(ctx
, bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), hi
, dpp_ctrl
));
6031 lo
= emit_wqm(ctx
, bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), lo
, (1 << 15) | dpp_ctrl
));
6032 hi
= emit_wqm(ctx
, bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), hi
, (1 << 15) | dpp_ctrl
));
6034 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
6035 emit_split_vector(ctx
, dst
, 2);
6037 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
6038 nir_print_instr(&instr
->instr
, stderr
);
6039 fprintf(stderr
, "\n");
6044 case nir_intrinsic_quad_swap_horizontal
:
6045 case nir_intrinsic_quad_swap_vertical
:
6046 case nir_intrinsic_quad_swap_diagonal
:
6047 case nir_intrinsic_quad_swizzle_amd
: {
6048 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
6049 if (!ctx
->divergent_vals
[instr
->dest
.ssa
.index
]) {
6050 emit_uniform_subgroup(ctx
, instr
, src
);
6053 uint16_t dpp_ctrl
= 0;
6054 switch (instr
->intrinsic
) {
6055 case nir_intrinsic_quad_swap_horizontal
:
6056 dpp_ctrl
= dpp_quad_perm(1, 0, 3, 2);
6058 case nir_intrinsic_quad_swap_vertical
:
6059 dpp_ctrl
= dpp_quad_perm(2, 3, 0, 1);
6061 case nir_intrinsic_quad_swap_diagonal
:
6062 dpp_ctrl
= dpp_quad_perm(3, 2, 1, 0);
6064 case nir_intrinsic_quad_swizzle_amd
:
6065 dpp_ctrl
= nir_intrinsic_swizzle_mask(instr
);
6070 if (ctx
->program
->chip_class
< GFX8
)
6071 dpp_ctrl
|= (1 << 15);
6073 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6074 if (instr
->dest
.ssa
.bit_size
== 1) {
6075 assert(src
.regClass() == bld
.lm
);
6076 src
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), Operand(0u), Operand((uint32_t)-1), src
);
6077 if (ctx
->program
->chip_class
>= GFX8
)
6078 src
= bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), src
, dpp_ctrl
);
6080 src
= bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), src
, dpp_ctrl
);
6081 Temp tmp
= bld
.vopc(aco_opcode::v_cmp_lg_u32
, bld
.def(bld
.lm
), Operand(0u), src
);
6082 emit_wqm(ctx
, tmp
, dst
);
6083 } else if (instr
->dest
.ssa
.bit_size
== 32) {
6085 if (ctx
->program
->chip_class
>= GFX8
)
6086 tmp
= bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), src
, dpp_ctrl
);
6088 tmp
= bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), src
, dpp_ctrl
);
6089 emit_wqm(ctx
, tmp
, dst
);
6090 } else if (instr
->dest
.ssa
.bit_size
== 64) {
6091 Temp lo
= bld
.tmp(v1
), hi
= bld
.tmp(v1
);
6092 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lo
), Definition(hi
), src
);
6093 if (ctx
->program
->chip_class
>= GFX8
) {
6094 lo
= emit_wqm(ctx
, bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), lo
, dpp_ctrl
));
6095 hi
= emit_wqm(ctx
, bld
.vop1_dpp(aco_opcode::v_mov_b32
, bld
.def(v1
), hi
, dpp_ctrl
));
6097 lo
= emit_wqm(ctx
, bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), lo
, dpp_ctrl
));
6098 hi
= emit_wqm(ctx
, bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), hi
, dpp_ctrl
));
6100 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
6101 emit_split_vector(ctx
, dst
, 2);
6103 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
6104 nir_print_instr(&instr
->instr
, stderr
);
6105 fprintf(stderr
, "\n");
6109 case nir_intrinsic_masked_swizzle_amd
: {
6110 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
6111 if (!ctx
->divergent_vals
[instr
->dest
.ssa
.index
]) {
6112 emit_uniform_subgroup(ctx
, instr
, src
);
6115 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6116 uint32_t mask
= nir_intrinsic_swizzle_mask(instr
);
6117 if (dst
.regClass() == v1
) {
6119 bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), src
, mask
, 0, false),
6121 } else if (dst
.regClass() == v2
) {
6122 Temp lo
= bld
.tmp(v1
), hi
= bld
.tmp(v1
);
6123 bld
.pseudo(aco_opcode::p_split_vector
, Definition(lo
), Definition(hi
), src
);
6124 lo
= emit_wqm(ctx
, bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), lo
, mask
, 0, false));
6125 hi
= emit_wqm(ctx
, bld
.ds(aco_opcode::ds_swizzle_b32
, bld
.def(v1
), hi
, mask
, 0, false));
6126 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
6127 emit_split_vector(ctx
, dst
, 2);
6129 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
6130 nir_print_instr(&instr
->instr
, stderr
);
6131 fprintf(stderr
, "\n");
6135 case nir_intrinsic_write_invocation_amd
: {
6136 Temp src
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[0].ssa
));
6137 Temp val
= bld
.as_uniform(get_ssa_temp(ctx
, instr
->src
[1].ssa
));
6138 Temp lane
= bld
.as_uniform(get_ssa_temp(ctx
, instr
->src
[2].ssa
));
6139 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6140 if (dst
.regClass() == v1
) {
6141 /* src2 is ignored for writelane. RA assigns the same reg for dst */
6142 emit_wqm(ctx
, bld
.writelane(bld
.def(v1
), val
, lane
, src
), dst
);
6143 } else if (dst
.regClass() == v2
) {
6144 Temp src_lo
= bld
.tmp(v1
), src_hi
= bld
.tmp(v1
);
6145 Temp val_lo
= bld
.tmp(s1
), val_hi
= bld
.tmp(s1
);
6146 bld
.pseudo(aco_opcode::p_split_vector
, Definition(src_lo
), Definition(src_hi
), src
);
6147 bld
.pseudo(aco_opcode::p_split_vector
, Definition(val_lo
), Definition(val_hi
), val
);
6148 Temp lo
= emit_wqm(ctx
, bld
.writelane(bld
.def(v1
), val_lo
, lane
, src_hi
));
6149 Temp hi
= emit_wqm(ctx
, bld
.writelane(bld
.def(v1
), val_hi
, lane
, src_hi
));
6150 bld
.pseudo(aco_opcode::p_create_vector
, Definition(dst
), lo
, hi
);
6151 emit_split_vector(ctx
, dst
, 2);
6153 fprintf(stderr
, "Unimplemented NIR instr bit size: ");
6154 nir_print_instr(&instr
->instr
, stderr
);
6155 fprintf(stderr
, "\n");
6159 case nir_intrinsic_mbcnt_amd
: {
6160 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
6161 RegClass rc
= RegClass(src
.type(), 1);
6162 Temp mask_lo
= bld
.tmp(rc
), mask_hi
= bld
.tmp(rc
);
6163 bld
.pseudo(aco_opcode::p_split_vector
, Definition(mask_lo
), Definition(mask_hi
), src
);
6164 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6165 Temp wqm_tmp
= emit_mbcnt(ctx
, bld
.def(v1
), Operand(mask_lo
), Operand(mask_hi
));
6166 emit_wqm(ctx
, wqm_tmp
, dst
);
6169 case nir_intrinsic_load_helper_invocation
: {
6170 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6171 bld
.pseudo(aco_opcode::p_load_helper
, Definition(dst
));
6172 ctx
->block
->kind
|= block_kind_needs_lowering
;
6173 ctx
->program
->needs_exact
= true;
6176 case nir_intrinsic_is_helper_invocation
: {
6177 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6178 bld
.pseudo(aco_opcode::p_is_helper
, Definition(dst
));
6179 ctx
->block
->kind
|= block_kind_needs_lowering
;
6180 ctx
->program
->needs_exact
= true;
6183 case nir_intrinsic_demote
:
6184 bld
.pseudo(aco_opcode::p_demote_to_helper
);
6185 ctx
->block
->kind
|= block_kind_uses_demote
;
6186 ctx
->program
->needs_exact
= true;
6188 case nir_intrinsic_demote_if
: {
6189 Temp src
= get_ssa_temp(ctx
, instr
->src
[0].ssa
);
6190 assert(src
.regClass() == bld
.lm
);
6191 Temp cond
= bld
.sop2(Builder::s_and
, bld
.def(bld
.lm
), bld
.def(s1
, scc
), src
, Operand(exec
, bld
.lm
));
6192 bld
.pseudo(aco_opcode::p_demote_to_helper
, cond
);
6193 ctx
->block
->kind
|= block_kind_uses_demote
;
6194 ctx
->program
->needs_exact
= true;
6197 case nir_intrinsic_first_invocation
: {
6198 emit_wqm(ctx
, bld
.sop1(Builder::s_ff1_i32
, bld
.def(s1
), Operand(exec
, bld
.lm
)),
6199 get_ssa_temp(ctx
, &instr
->dest
.ssa
));
6202 case nir_intrinsic_shader_clock
:
6203 bld
.smem(aco_opcode::s_memtime
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)), false);
6204 emit_split_vector(ctx
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), 2);
6206 case nir_intrinsic_load_vertex_id_zero_base
: {
6207 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6208 bld
.copy(Definition(dst
), get_arg(ctx
, ctx
->args
->ac
.vertex_id
));
6211 case nir_intrinsic_load_first_vertex
: {
6212 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6213 bld
.copy(Definition(dst
), get_arg(ctx
, ctx
->args
->ac
.base_vertex
));
6216 case nir_intrinsic_load_base_instance
: {
6217 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6218 bld
.copy(Definition(dst
), get_arg(ctx
, ctx
->args
->ac
.start_instance
));
6221 case nir_intrinsic_load_instance_id
: {
6222 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6223 bld
.copy(Definition(dst
), get_arg(ctx
, ctx
->args
->ac
.instance_id
));
6226 case nir_intrinsic_load_draw_id
: {
6227 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6228 bld
.copy(Definition(dst
), get_arg(ctx
, ctx
->args
->ac
.draw_id
));
6232 fprintf(stderr
, "Unimplemented intrinsic instr: ");
6233 nir_print_instr(&instr
->instr
, stderr
);
6234 fprintf(stderr
, "\n");
6242 void tex_fetch_ptrs(isel_context
*ctx
, nir_tex_instr
*instr
,
6243 Temp
*res_ptr
, Temp
*samp_ptr
, Temp
*fmask_ptr
,
6244 enum glsl_base_type
*stype
)
6246 nir_deref_instr
*texture_deref_instr
= NULL
;
6247 nir_deref_instr
*sampler_deref_instr
= NULL
;
6250 for (unsigned i
= 0; i
< instr
->num_srcs
; i
++) {
6251 switch (instr
->src
[i
].src_type
) {
6252 case nir_tex_src_texture_deref
:
6253 texture_deref_instr
= nir_src_as_deref(instr
->src
[i
].src
);
6255 case nir_tex_src_sampler_deref
:
6256 sampler_deref_instr
= nir_src_as_deref(instr
->src
[i
].src
);
6258 case nir_tex_src_plane
:
6259 plane
= nir_src_as_int(instr
->src
[i
].src
);
6266 *stype
= glsl_get_sampler_result_type(texture_deref_instr
->type
);
6268 if (!sampler_deref_instr
)
6269 sampler_deref_instr
= texture_deref_instr
;
6272 assert(instr
->op
!= nir_texop_txf_ms
&&
6273 instr
->op
!= nir_texop_samples_identical
);
6274 assert(instr
->sampler_dim
!= GLSL_SAMPLER_DIM_BUF
);
6275 *res_ptr
= get_sampler_desc(ctx
, texture_deref_instr
, (aco_descriptor_type
)(ACO_DESC_PLANE_0
+ plane
), instr
, false, false);
6276 } else if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
) {
6277 *res_ptr
= get_sampler_desc(ctx
, texture_deref_instr
, ACO_DESC_BUFFER
, instr
, false, false);
6279 *res_ptr
= get_sampler_desc(ctx
, texture_deref_instr
, ACO_DESC_IMAGE
, instr
, false, false);
6282 *samp_ptr
= get_sampler_desc(ctx
, sampler_deref_instr
, ACO_DESC_SAMPLER
, instr
, false, false);
6284 if (instr
->sampler_dim
< GLSL_SAMPLER_DIM_RECT
&& ctx
->options
->chip_class
< GFX8
) {
6285 /* fix sampler aniso on SI/CI: samp[0] = samp[0] & img[7] */
6286 Builder
bld(ctx
->program
, ctx
->block
);
6288 /* to avoid unnecessary moves, we split and recombine sampler and image */
6289 Temp img
[8] = {bld
.tmp(s1
), bld
.tmp(s1
), bld
.tmp(s1
), bld
.tmp(s1
),
6290 bld
.tmp(s1
), bld
.tmp(s1
), bld
.tmp(s1
), bld
.tmp(s1
)};
6291 Temp samp
[4] = {bld
.tmp(s1
), bld
.tmp(s1
), bld
.tmp(s1
), bld
.tmp(s1
)};
6292 bld
.pseudo(aco_opcode::p_split_vector
, Definition(img
[0]), Definition(img
[1]),
6293 Definition(img
[2]), Definition(img
[3]), Definition(img
[4]),
6294 Definition(img
[5]), Definition(img
[6]), Definition(img
[7]), *res_ptr
);
6295 bld
.pseudo(aco_opcode::p_split_vector
, Definition(samp
[0]), Definition(samp
[1]),
6296 Definition(samp
[2]), Definition(samp
[3]), *samp_ptr
);
6298 samp
[0] = bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), samp
[0], img
[7]);
6299 *res_ptr
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s8
),
6300 img
[0], img
[1], img
[2], img
[3],
6301 img
[4], img
[5], img
[6], img
[7]);
6302 *samp_ptr
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(s4
),
6303 samp
[0], samp
[1], samp
[2], samp
[3]);
6306 if (fmask_ptr
&& (instr
->op
== nir_texop_txf_ms
||
6307 instr
->op
== nir_texop_samples_identical
))
6308 *fmask_ptr
= get_sampler_desc(ctx
, texture_deref_instr
, ACO_DESC_FMASK
, instr
, false, false);
6311 void build_cube_select(isel_context
*ctx
, Temp ma
, Temp id
, Temp deriv
,
6312 Temp
*out_ma
, Temp
*out_sc
, Temp
*out_tc
)
6314 Builder
bld(ctx
->program
, ctx
->block
);
6316 Temp deriv_x
= emit_extract_vector(ctx
, deriv
, 0, v1
);
6317 Temp deriv_y
= emit_extract_vector(ctx
, deriv
, 1, v1
);
6318 Temp deriv_z
= emit_extract_vector(ctx
, deriv
, 2, v1
);
6320 Operand
neg_one(0xbf800000u
);
6321 Operand
one(0x3f800000u
);
6322 Operand
two(0x40000000u
);
6323 Operand
four(0x40800000u
);
6325 Temp is_ma_positive
= bld
.vopc(aco_opcode::v_cmp_le_f32
, bld
.hint_vcc(bld
.def(bld
.lm
)), Operand(0u), ma
);
6326 Temp sgn_ma
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
), neg_one
, one
, is_ma_positive
);
6327 Temp neg_sgn_ma
= bld
.vop2(aco_opcode::v_sub_f32
, bld
.def(v1
), Operand(0u), sgn_ma
);
6329 Temp is_ma_z
= bld
.vopc(aco_opcode::v_cmp_le_f32
, bld
.hint_vcc(bld
.def(bld
.lm
)), four
, id
);
6330 Temp is_ma_y
= bld
.vopc(aco_opcode::v_cmp_le_f32
, bld
.def(s2
), two
, id
);
6331 is_ma_y
= bld
.sop2(Builder::s_andn2
, bld
.hint_vcc(bld
.def(bld
.lm
)), is_ma_y
, is_ma_z
);
6332 Temp is_not_ma_x
= bld
.sop2(aco_opcode::s_or_b64
, bld
.hint_vcc(bld
.def(bld
.lm
)), bld
.def(s1
, scc
), is_ma_z
, is_ma_y
);
6335 Temp tmp
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), deriv_z
, deriv_x
, is_not_ma_x
);
6336 Temp sgn
= bld
.vop2_e64(aco_opcode::v_cndmask_b32
, bld
.def(v1
),
6337 bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), neg_sgn_ma
, sgn_ma
, is_ma_z
),
6339 *out_sc
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), tmp
, sgn
);
6342 tmp
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), deriv_y
, deriv_z
, is_ma_y
);
6343 sgn
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), neg_one
, sgn_ma
, is_ma_y
);
6344 *out_tc
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), tmp
, sgn
);
6347 tmp
= bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
),
6348 bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), deriv_x
, deriv_y
, is_ma_y
),
6350 tmp
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(0x7fffffffu
), tmp
);
6351 *out_ma
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), two
, tmp
);
6354 void prepare_cube_coords(isel_context
*ctx
, Temp
* coords
, Temp
* ddx
, Temp
* ddy
, bool is_deriv
, bool is_array
)
6356 Builder
bld(ctx
->program
, ctx
->block
);
6357 Temp coord_args
[4], ma
, tc
, sc
, id
;
6358 for (unsigned i
= 0; i
< (is_array
? 4 : 3); i
++)
6359 coord_args
[i
] = emit_extract_vector(ctx
, *coords
, i
, v1
);
6362 coord_args
[3] = bld
.vop1(aco_opcode::v_rndne_f32
, bld
.def(v1
), coord_args
[3]);
6364 // see comment in ac_prepare_cube_coords()
6365 if (ctx
->options
->chip_class
<= GFX8
)
6366 coord_args
[3] = bld
.vop2(aco_opcode::v_max_f32
, bld
.def(v1
), Operand(0u), coord_args
[3]);
6369 ma
= bld
.vop3(aco_opcode::v_cubema_f32
, bld
.def(v1
), coord_args
[0], coord_args
[1], coord_args
[2]);
6371 aco_ptr
<VOP3A_instruction
> vop3a
{create_instruction
<VOP3A_instruction
>(aco_opcode::v_rcp_f32
, asVOP3(Format::VOP1
), 1, 1)};
6372 vop3a
->operands
[0] = Operand(ma
);
6373 vop3a
->abs
[0] = true;
6374 Temp invma
= bld
.tmp(v1
);
6375 vop3a
->definitions
[0] = Definition(invma
);
6376 ctx
->block
->instructions
.emplace_back(std::move(vop3a
));
6378 sc
= bld
.vop3(aco_opcode::v_cubesc_f32
, bld
.def(v1
), coord_args
[0], coord_args
[1], coord_args
[2]);
6380 sc
= bld
.vop2(aco_opcode::v_madak_f32
, bld
.def(v1
), sc
, invma
, Operand(0x3fc00000u
/*1.5*/));
6382 tc
= bld
.vop3(aco_opcode::v_cubetc_f32
, bld
.def(v1
), coord_args
[0], coord_args
[1], coord_args
[2]);
6384 tc
= bld
.vop2(aco_opcode::v_madak_f32
, bld
.def(v1
), tc
, invma
, Operand(0x3fc00000u
/*1.5*/));
6386 id
= bld
.vop3(aco_opcode::v_cubeid_f32
, bld
.def(v1
), coord_args
[0], coord_args
[1], coord_args
[2]);
6389 sc
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), sc
, invma
);
6390 tc
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), tc
, invma
);
6392 for (unsigned i
= 0; i
< 2; i
++) {
6393 // see comment in ac_prepare_cube_coords()
6395 Temp deriv_sc
, deriv_tc
;
6396 build_cube_select(ctx
, ma
, id
, i
? *ddy
: *ddx
,
6397 &deriv_ma
, &deriv_sc
, &deriv_tc
);
6399 deriv_ma
= bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), deriv_ma
, invma
);
6401 Temp x
= bld
.vop2(aco_opcode::v_sub_f32
, bld
.def(v1
),
6402 bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), deriv_sc
, invma
),
6403 bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), deriv_ma
, sc
));
6404 Temp y
= bld
.vop2(aco_opcode::v_sub_f32
, bld
.def(v1
),
6405 bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), deriv_tc
, invma
),
6406 bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), deriv_ma
, tc
));
6407 *(i
? ddy
: ddx
) = bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
), x
, y
);
6410 sc
= bld
.vop2(aco_opcode::v_add_f32
, bld
.def(v1
), Operand(0x3fc00000u
/*1.5*/), sc
);
6411 tc
= bld
.vop2(aco_opcode::v_add_f32
, bld
.def(v1
), Operand(0x3fc00000u
/*1.5*/), tc
);
6415 id
= bld
.vop2(aco_opcode::v_madmk_f32
, bld
.def(v1
), coord_args
[3], id
, Operand(0x41000000u
/*8.0*/));
6416 *coords
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v3
), sc
, tc
, id
);
6420 Temp
apply_round_slice(isel_context
*ctx
, Temp coords
, unsigned idx
)
6423 for (unsigned i
= 0; i
< coords
.size(); i
++)
6424 coord_vec
[i
] = emit_extract_vector(ctx
, coords
, i
, v1
);
6426 Builder
bld(ctx
->program
, ctx
->block
);
6427 coord_vec
[idx
] = bld
.vop1(aco_opcode::v_rndne_f32
, bld
.def(v1
), coord_vec
[idx
]);
6429 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, coords
.size(), 1)};
6430 for (unsigned i
= 0; i
< coords
.size(); i
++)
6431 vec
->operands
[i
] = Operand(coord_vec
[i
]);
6432 Temp res
= bld
.tmp(RegType::vgpr
, coords
.size());
6433 vec
->definitions
[0] = Definition(res
);
6434 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6438 void get_const_vec(nir_ssa_def
*vec
, nir_const_value
*cv
[4])
6440 if (vec
->parent_instr
->type
!= nir_instr_type_alu
)
6442 nir_alu_instr
*vec_instr
= nir_instr_as_alu(vec
->parent_instr
);
6443 if (vec_instr
->op
!= nir_op_vec(vec
->num_components
))
6446 for (unsigned i
= 0; i
< vec
->num_components
; i
++) {
6447 cv
[i
] = vec_instr
->src
[i
].swizzle
[0] == 0 ?
6448 nir_src_as_const_value(vec_instr
->src
[i
].src
) : NULL
;
6452 void visit_tex(isel_context
*ctx
, nir_tex_instr
*instr
)
6454 Builder
bld(ctx
->program
, ctx
->block
);
6455 bool has_bias
= false, has_lod
= false, level_zero
= false, has_compare
= false,
6456 has_offset
= false, has_ddx
= false, has_ddy
= false, has_derivs
= false, has_sample_index
= false;
6457 Temp resource
, sampler
, fmask_ptr
, bias
= Temp(), coords
, compare
= Temp(), sample_index
= Temp(),
6458 lod
= Temp(), offset
= Temp(), ddx
= Temp(), ddy
= Temp(), derivs
= Temp();
6459 nir_const_value
*sample_index_cv
= NULL
;
6460 nir_const_value
*const_offset
[4] = {NULL
, NULL
, NULL
, NULL
};
6461 enum glsl_base_type stype
;
6462 tex_fetch_ptrs(ctx
, instr
, &resource
, &sampler
, &fmask_ptr
, &stype
);
6464 bool tg4_integer_workarounds
= ctx
->options
->chip_class
<= GFX8
&& instr
->op
== nir_texop_tg4
&&
6465 (stype
== GLSL_TYPE_UINT
|| stype
== GLSL_TYPE_INT
);
6466 bool tg4_integer_cube_workaround
= tg4_integer_workarounds
&&
6467 instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
;
6469 for (unsigned i
= 0; i
< instr
->num_srcs
; i
++) {
6470 switch (instr
->src
[i
].src_type
) {
6471 case nir_tex_src_coord
:
6472 coords
= as_vgpr(ctx
, get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
));
6474 case nir_tex_src_bias
:
6475 if (instr
->op
== nir_texop_txb
) {
6476 bias
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6480 case nir_tex_src_lod
: {
6481 nir_const_value
*val
= nir_src_as_const_value(instr
->src
[i
].src
);
6483 if (val
&& val
->f32
<= 0.0) {
6486 lod
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6491 case nir_tex_src_comparator
:
6492 if (instr
->is_shadow
) {
6493 compare
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6497 case nir_tex_src_offset
:
6498 offset
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6499 get_const_vec(instr
->src
[i
].src
.ssa
, const_offset
);
6502 case nir_tex_src_ddx
:
6503 ddx
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6506 case nir_tex_src_ddy
:
6507 ddy
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6510 case nir_tex_src_ms_index
:
6511 sample_index
= get_ssa_temp(ctx
, instr
->src
[i
].src
.ssa
);
6512 sample_index_cv
= nir_src_as_const_value(instr
->src
[i
].src
);
6513 has_sample_index
= true;
6515 case nir_tex_src_texture_offset
:
6516 case nir_tex_src_sampler_offset
:
6521 // TODO: all other cases: structure taken from ac_nir_to_llvm.c
6522 if (instr
->op
== nir_texop_txs
&& instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
)
6523 return get_buffer_size(ctx
, resource
, get_ssa_temp(ctx
, &instr
->dest
.ssa
), true);
6525 if (instr
->op
== nir_texop_texture_samples
) {
6526 Temp dword3
= emit_extract_vector(ctx
, resource
, 3, s1
);
6528 Temp samples_log2
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
), dword3
, Operand(16u | 4u<<16));
6529 Temp samples
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(1u), samples_log2
);
6530 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 */));
6531 Temp is_msaa
= bld
.sopc(aco_opcode::s_cmp_ge_u32
, bld
.def(s1
, scc
), type
, Operand(14u));
6533 bld
.sop2(aco_opcode::s_cselect_b32
, Definition(get_ssa_temp(ctx
, &instr
->dest
.ssa
)),
6534 samples
, Operand(1u), bld
.scc(is_msaa
));
6538 if (has_offset
&& instr
->op
!= nir_texop_txf
&& instr
->op
!= nir_texop_txf_ms
) {
6539 aco_ptr
<Instruction
> tmp_instr
;
6540 Temp acc
, pack
= Temp();
6542 uint32_t pack_const
= 0;
6543 for (unsigned i
= 0; i
< offset
.size(); i
++) {
6544 if (!const_offset
[i
])
6546 pack_const
|= (const_offset
[i
]->u32
& 0x3Fu
) << (8u * i
);
6549 if (offset
.type() == RegType::sgpr
) {
6550 for (unsigned i
= 0; i
< offset
.size(); i
++) {
6551 if (const_offset
[i
])
6554 acc
= emit_extract_vector(ctx
, offset
, i
, s1
);
6555 acc
= bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), acc
, Operand(0x3Fu
));
6558 acc
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), acc
, Operand(8u * i
));
6561 if (pack
== Temp()) {
6564 pack
= bld
.sop2(aco_opcode::s_or_b32
, bld
.def(s1
), bld
.def(s1
, scc
), pack
, acc
);
6568 if (pack_const
&& pack
!= Temp())
6569 pack
= bld
.sop2(aco_opcode::s_or_b32
, bld
.def(s1
), bld
.def(s1
, scc
), Operand(pack_const
), pack
);
6571 for (unsigned i
= 0; i
< offset
.size(); i
++) {
6572 if (const_offset
[i
])
6575 acc
= emit_extract_vector(ctx
, offset
, i
, v1
);
6576 acc
= bld
.vop2(aco_opcode::v_and_b32
, bld
.def(v1
), Operand(0x3Fu
), acc
);
6579 acc
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(8u * i
), acc
);
6582 if (pack
== Temp()) {
6585 pack
= bld
.vop2(aco_opcode::v_or_b32
, bld
.def(v1
), pack
, acc
);
6589 if (pack_const
&& pack
!= Temp())
6590 pack
= bld
.sop2(aco_opcode::v_or_b32
, bld
.def(v1
), Operand(pack_const
), pack
);
6592 if (pack_const
&& pack
== Temp())
6593 offset
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(pack_const
));
6594 else if (pack
== Temp())
6600 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
&& instr
->coord_components
)
6601 prepare_cube_coords(ctx
, &coords
, &ddx
, &ddy
, instr
->op
== nir_texop_txd
, instr
->is_array
&& instr
->op
!= nir_texop_lod
);
6603 /* pack derivatives */
6604 if (has_ddx
|| has_ddy
) {
6605 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&& ctx
->options
->chip_class
== GFX9
) {
6606 derivs
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v4
),
6607 ddx
, Operand(0u), ddy
, Operand(0u));
6609 derivs
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(RegType::vgpr
, ddx
.size() + ddy
.size()), ddx
, ddy
);
6614 if (instr
->coord_components
> 1 &&
6615 instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&&
6617 instr
->op
!= nir_texop_txf
)
6618 coords
= apply_round_slice(ctx
, coords
, 1);
6620 if (instr
->coord_components
> 2 &&
6621 (instr
->sampler_dim
== GLSL_SAMPLER_DIM_2D
||
6622 instr
->sampler_dim
== GLSL_SAMPLER_DIM_MS
||
6623 instr
->sampler_dim
== GLSL_SAMPLER_DIM_SUBPASS
||
6624 instr
->sampler_dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
) &&
6626 instr
->op
!= nir_texop_txf
&& instr
->op
!= nir_texop_txf_ms
)
6627 coords
= apply_round_slice(ctx
, coords
, 2);
6629 if (ctx
->options
->chip_class
== GFX9
&&
6630 instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&&
6631 instr
->op
!= nir_texop_lod
&& instr
->coord_components
) {
6632 assert(coords
.size() > 0 && coords
.size() < 3);
6634 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, coords
.size() + 1, 1)};
6635 vec
->operands
[0] = Operand(emit_extract_vector(ctx
, coords
, 0, v1
));
6636 vec
->operands
[1] = instr
->op
== nir_texop_txf
? Operand((uint32_t) 0) : Operand((uint32_t) 0x3f000000);
6637 if (coords
.size() > 1)
6638 vec
->operands
[2] = Operand(emit_extract_vector(ctx
, coords
, 1, v1
));
6639 coords
= bld
.tmp(RegType::vgpr
, coords
.size() + 1);
6640 vec
->definitions
[0] = Definition(coords
);
6641 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6644 bool da
= should_declare_array(ctx
, instr
->sampler_dim
, instr
->is_array
);
6646 if (instr
->op
== nir_texop_samples_identical
)
6647 resource
= fmask_ptr
;
6649 else if ((instr
->sampler_dim
== GLSL_SAMPLER_DIM_MS
||
6650 instr
->sampler_dim
== GLSL_SAMPLER_DIM_SUBPASS_MS
) &&
6651 instr
->op
!= nir_texop_txs
) {
6652 assert(has_sample_index
);
6653 Operand
op(sample_index
);
6654 if (sample_index_cv
)
6655 op
= Operand(sample_index_cv
->u32
);
6656 sample_index
= adjust_sample_index_using_fmask(ctx
, da
, coords
, op
, fmask_ptr
);
6659 if (has_offset
&& (instr
->op
== nir_texop_txf
|| instr
->op
== nir_texop_txf_ms
)) {
6660 Temp split_coords
[coords
.size()];
6661 emit_split_vector(ctx
, coords
, coords
.size());
6662 for (unsigned i
= 0; i
< coords
.size(); i
++)
6663 split_coords
[i
] = emit_extract_vector(ctx
, coords
, i
, v1
);
6666 for (; i
< std::min(offset
.size(), instr
->coord_components
); i
++) {
6667 Temp off
= emit_extract_vector(ctx
, offset
, i
, v1
);
6668 split_coords
[i
] = bld
.vadd32(bld
.def(v1
), split_coords
[i
], off
);
6671 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, coords
.size(), 1)};
6672 for (unsigned i
= 0; i
< coords
.size(); i
++)
6673 vec
->operands
[i
] = Operand(split_coords
[i
]);
6674 coords
= bld
.tmp(coords
.regClass());
6675 vec
->definitions
[0] = Definition(coords
);
6676 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6681 /* Build tex instruction */
6682 unsigned dmask
= nir_ssa_def_components_read(&instr
->dest
.ssa
);
6683 unsigned dim
= ctx
->options
->chip_class
>= GFX10
&& instr
->sampler_dim
!= GLSL_SAMPLER_DIM_BUF
6684 ? ac_get_sampler_dim(ctx
->options
->chip_class
, instr
->sampler_dim
, instr
->is_array
)
6686 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
6689 /* gather4 selects the component by dmask and always returns vec4 */
6690 if (instr
->op
== nir_texop_tg4
) {
6691 assert(instr
->dest
.ssa
.num_components
== 4);
6692 if (instr
->is_shadow
)
6695 dmask
= 1 << instr
->component
;
6696 if (tg4_integer_cube_workaround
|| dst
.type() == RegType::sgpr
)
6697 tmp_dst
= bld
.tmp(v4
);
6698 } else if (instr
->op
== nir_texop_samples_identical
) {
6699 tmp_dst
= bld
.tmp(v1
);
6700 } else if (util_bitcount(dmask
) != instr
->dest
.ssa
.num_components
|| dst
.type() == RegType::sgpr
) {
6701 tmp_dst
= bld
.tmp(RegClass(RegType::vgpr
, util_bitcount(dmask
)));
6704 aco_ptr
<MIMG_instruction
> tex
;
6705 if (instr
->op
== nir_texop_txs
|| instr
->op
== nir_texop_query_levels
) {
6707 lod
= bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(0u));
6709 bool div_by_6
= instr
->op
== nir_texop_txs
&&
6710 instr
->sampler_dim
== GLSL_SAMPLER_DIM_CUBE
&&
6713 if (tmp_dst
.id() == dst
.id() && div_by_6
)
6714 tmp_dst
= bld
.tmp(tmp_dst
.regClass());
6716 tex
.reset(create_instruction
<MIMG_instruction
>(aco_opcode::image_get_resinfo
, Format::MIMG
, 2, 1));
6717 tex
->operands
[0] = Operand(as_vgpr(ctx
,lod
));
6718 tex
->operands
[1] = Operand(resource
);
6719 if (ctx
->options
->chip_class
== GFX9
&&
6720 instr
->op
== nir_texop_txs
&&
6721 instr
->sampler_dim
== GLSL_SAMPLER_DIM_1D
&&
6723 tex
->dmask
= (dmask
& 0x1) | ((dmask
& 0x2) << 1);
6724 } else if (instr
->op
== nir_texop_query_levels
) {
6725 tex
->dmask
= 1 << 3;
6730 tex
->definitions
[0] = Definition(tmp_dst
);
6732 tex
->can_reorder
= true;
6733 ctx
->block
->instructions
.emplace_back(std::move(tex
));
6736 /* divide 3rd value by 6 by multiplying with magic number */
6737 emit_split_vector(ctx
, tmp_dst
, tmp_dst
.size());
6738 Temp c
= bld
.copy(bld
.def(s1
), Operand((uint32_t) 0x2AAAAAAB));
6739 Temp by_6
= bld
.vop3(aco_opcode::v_mul_hi_i32
, bld
.def(v1
), emit_extract_vector(ctx
, tmp_dst
, 2, v1
), c
);
6740 assert(instr
->dest
.ssa
.num_components
== 3);
6741 Temp tmp
= dst
.type() == RegType::vgpr
? dst
: bld
.tmp(v3
);
6742 tmp_dst
= bld
.pseudo(aco_opcode::p_create_vector
, Definition(tmp
),
6743 emit_extract_vector(ctx
, tmp_dst
, 0, v1
),
6744 emit_extract_vector(ctx
, tmp_dst
, 1, v1
),
6749 expand_vector(ctx
, tmp_dst
, dst
, instr
->dest
.ssa
.num_components
, dmask
);
6753 Temp tg4_compare_cube_wa64
= Temp();
6755 if (tg4_integer_workarounds
) {
6756 tex
.reset(create_instruction
<MIMG_instruction
>(aco_opcode::image_get_resinfo
, Format::MIMG
, 2, 1));
6757 tex
->operands
[0] = bld
.vop1(aco_opcode::v_mov_b32
, bld
.def(v1
), Operand(0u));
6758 tex
->operands
[1] = Operand(resource
);
6762 Temp size
= bld
.tmp(v2
);
6763 tex
->definitions
[0] = Definition(size
);
6764 tex
->can_reorder
= true;
6765 ctx
->block
->instructions
.emplace_back(std::move(tex
));
6766 emit_split_vector(ctx
, size
, size
.size());
6769 for (unsigned i
= 0; i
< 2; i
++) {
6770 half_texel
[i
] = emit_extract_vector(ctx
, size
, i
, v1
);
6771 half_texel
[i
] = bld
.vop1(aco_opcode::v_cvt_f32_i32
, bld
.def(v1
), half_texel
[i
]);
6772 half_texel
[i
] = bld
.vop1(aco_opcode::v_rcp_iflag_f32
, bld
.def(v1
), half_texel
[i
]);
6773 half_texel
[i
] = bld
.vop2(aco_opcode::v_mul_f32
, bld
.def(v1
), Operand(0xbf000000/*-0.5*/), half_texel
[i
]);
6776 Temp orig_coords
[2] = {
6777 emit_extract_vector(ctx
, coords
, 0, v1
),
6778 emit_extract_vector(ctx
, coords
, 1, v1
)};
6779 Temp new_coords
[2] = {
6780 bld
.vop2(aco_opcode::v_add_f32
, bld
.def(v1
), orig_coords
[0], half_texel
[0]),
6781 bld
.vop2(aco_opcode::v_add_f32
, bld
.def(v1
), orig_coords
[1], half_texel
[1])
6784 if (tg4_integer_cube_workaround
) {
6785 // see comment in ac_nir_to_llvm.c's lower_gather4_integer()
6786 Temp desc
[resource
.size()];
6787 aco_ptr
<Instruction
> split
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_split_vector
,
6788 Format::PSEUDO
, 1, resource
.size())};
6789 split
->operands
[0] = Operand(resource
);
6790 for (unsigned i
= 0; i
< resource
.size(); i
++) {
6791 desc
[i
] = bld
.tmp(s1
);
6792 split
->definitions
[i
] = Definition(desc
[i
]);
6794 ctx
->block
->instructions
.emplace_back(std::move(split
));
6796 Temp dfmt
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
), desc
[1], Operand(20u | (6u << 16)));
6797 Temp compare_cube_wa
= bld
.sopc(aco_opcode::s_cmp_eq_u32
, bld
.def(s1
, scc
), dfmt
,
6798 Operand((uint32_t)V_008F14_IMG_DATA_FORMAT_8_8_8_8
));
6801 if (stype
== GLSL_TYPE_UINT
) {
6802 nfmt
= bld
.sop2(aco_opcode::s_cselect_b32
, bld
.def(s1
),
6803 Operand((uint32_t)V_008F14_IMG_NUM_FORMAT_USCALED
),
6804 Operand((uint32_t)V_008F14_IMG_NUM_FORMAT_UINT
),
6805 bld
.scc(compare_cube_wa
));
6807 nfmt
= bld
.sop2(aco_opcode::s_cselect_b32
, bld
.def(s1
),
6808 Operand((uint32_t)V_008F14_IMG_NUM_FORMAT_SSCALED
),
6809 Operand((uint32_t)V_008F14_IMG_NUM_FORMAT_SINT
),
6810 bld
.scc(compare_cube_wa
));
6812 tg4_compare_cube_wa64
= bld
.tmp(bld
.lm
);
6813 bool_to_vector_condition(ctx
, compare_cube_wa
, tg4_compare_cube_wa64
);
6815 nfmt
= bld
.sop2(aco_opcode::s_lshl_b32
, bld
.def(s1
), bld
.def(s1
, scc
), nfmt
, Operand(26u));
6817 desc
[1] = bld
.sop2(aco_opcode::s_and_b32
, bld
.def(s1
), bld
.def(s1
, scc
), desc
[1],
6818 Operand((uint32_t)C_008F14_NUM_FORMAT
));
6819 desc
[1] = bld
.sop2(aco_opcode::s_or_b32
, bld
.def(s1
), bld
.def(s1
, scc
), desc
[1], nfmt
);
6821 aco_ptr
<Instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
,
6822 Format::PSEUDO
, resource
.size(), 1)};
6823 for (unsigned i
= 0; i
< resource
.size(); i
++)
6824 vec
->operands
[i
] = Operand(desc
[i
]);
6825 resource
= bld
.tmp(resource
.regClass());
6826 vec
->definitions
[0] = Definition(resource
);
6827 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6829 new_coords
[0] = bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
),
6830 new_coords
[0], orig_coords
[0], tg4_compare_cube_wa64
);
6831 new_coords
[1] = bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
),
6832 new_coords
[1], orig_coords
[1], tg4_compare_cube_wa64
);
6835 if (coords
.size() == 3) {
6836 coords
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v3
),
6837 new_coords
[0], new_coords
[1],
6838 emit_extract_vector(ctx
, coords
, 2, v1
));
6840 assert(coords
.size() == 2);
6841 coords
= bld
.pseudo(aco_opcode::p_create_vector
, bld
.def(v2
),
6842 new_coords
[0], new_coords
[1]);
6846 std::vector
<Operand
> args
;
6848 args
.emplace_back(Operand(offset
));
6850 args
.emplace_back(Operand(bias
));
6852 args
.emplace_back(Operand(compare
));
6854 args
.emplace_back(Operand(derivs
));
6855 args
.emplace_back(Operand(coords
));
6856 if (has_sample_index
)
6857 args
.emplace_back(Operand(sample_index
));
6859 args
.emplace_back(lod
);
6862 if (args
.size() > 1) {
6863 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, args
.size(), 1)};
6865 for (unsigned i
= 0; i
< args
.size(); i
++) {
6866 size
+= args
[i
].size();
6867 vec
->operands
[i
] = args
[i
];
6869 RegClass rc
= RegClass(RegType::vgpr
, size
);
6870 Temp tmp
= bld
.tmp(rc
);
6871 vec
->definitions
[0] = Definition(tmp
);
6872 ctx
->block
->instructions
.emplace_back(std::move(vec
));
6875 assert(args
[0].isTemp());
6876 arg
= as_vgpr(ctx
, args
[0].getTemp());
6879 /* we don't need the bias, sample index, compare value or offset to be
6880 * computed in WQM but if the p_create_vector copies the coordinates, then it
6881 * needs to be in WQM */
6882 if (!(has_ddx
&& has_ddy
) && !has_lod
&& !level_zero
&&
6883 instr
->sampler_dim
!= GLSL_SAMPLER_DIM_MS
&&
6884 instr
->sampler_dim
!= GLSL_SAMPLER_DIM_SUBPASS_MS
)
6885 arg
= emit_wqm(ctx
, arg
, bld
.tmp(arg
.regClass()), true);
6887 if (instr
->sampler_dim
== GLSL_SAMPLER_DIM_BUF
) {
6888 //FIXME: if (ctx->abi->gfx9_stride_size_workaround) return ac_build_buffer_load_format_gfx9_safe()
6890 assert(coords
.size() == 1);
6891 unsigned last_bit
= util_last_bit(nir_ssa_def_components_read(&instr
->dest
.ssa
));
6895 op
= aco_opcode::buffer_load_format_x
; break;
6897 op
= aco_opcode::buffer_load_format_xy
; break;
6899 op
= aco_opcode::buffer_load_format_xyz
; break;
6901 op
= aco_opcode::buffer_load_format_xyzw
; break;
6903 unreachable("Tex instruction loads more than 4 components.");
6906 /* if the instruction return value matches exactly the nir dest ssa, we can use it directly */
6907 if (last_bit
== instr
->dest
.ssa
.num_components
&& dst
.type() == RegType::vgpr
)
6910 tmp_dst
= bld
.tmp(RegType::vgpr
, last_bit
);
6912 aco_ptr
<MUBUF_instruction
> mubuf
{create_instruction
<MUBUF_instruction
>(op
, Format::MUBUF
, 3, 1)};
6913 mubuf
->operands
[0] = Operand(coords
);
6914 mubuf
->operands
[1] = Operand(resource
);
6915 mubuf
->operands
[2] = Operand((uint32_t) 0);
6916 mubuf
->definitions
[0] = Definition(tmp_dst
);
6917 mubuf
->idxen
= true;
6918 mubuf
->can_reorder
= true;
6919 ctx
->block
->instructions
.emplace_back(std::move(mubuf
));
6921 expand_vector(ctx
, tmp_dst
, dst
, instr
->dest
.ssa
.num_components
, (1 << last_bit
) - 1);
6926 if (instr
->op
== nir_texop_txf
||
6927 instr
->op
== nir_texop_txf_ms
||
6928 instr
->op
== nir_texop_samples_identical
) {
6929 aco_opcode op
= level_zero
|| instr
->sampler_dim
== GLSL_SAMPLER_DIM_MS
? aco_opcode::image_load
: aco_opcode::image_load_mip
;
6930 tex
.reset(create_instruction
<MIMG_instruction
>(op
, Format::MIMG
, 2, 1));
6931 tex
->operands
[0] = Operand(arg
);
6932 tex
->operands
[1] = Operand(resource
);
6937 tex
->definitions
[0] = Definition(tmp_dst
);
6938 tex
->can_reorder
= true;
6939 ctx
->block
->instructions
.emplace_back(std::move(tex
));
6941 if (instr
->op
== nir_texop_samples_identical
) {
6942 assert(dmask
== 1 && dst
.regClass() == v1
);
6943 assert(dst
.id() != tmp_dst
.id());
6945 Temp tmp
= bld
.tmp(bld
.lm
);
6946 bld
.vopc(aco_opcode::v_cmp_eq_u32
, Definition(tmp
), Operand(0u), tmp_dst
).def(0).setHint(vcc
);
6947 bld
.vop2_e64(aco_opcode::v_cndmask_b32
, Definition(dst
), Operand(0u), Operand((uint32_t)-1), tmp
);
6950 expand_vector(ctx
, tmp_dst
, dst
, instr
->dest
.ssa
.num_components
, dmask
);
6955 // TODO: would be better to do this by adding offsets, but needs the opcodes ordered.
6956 aco_opcode opcode
= aco_opcode::image_sample
;
6957 if (has_offset
) { /* image_sample_*_o */
6959 opcode
= aco_opcode::image_sample_c_o
;
6961 opcode
= aco_opcode::image_sample_c_d_o
;
6963 opcode
= aco_opcode::image_sample_c_b_o
;
6965 opcode
= aco_opcode::image_sample_c_lz_o
;
6967 opcode
= aco_opcode::image_sample_c_l_o
;
6969 opcode
= aco_opcode::image_sample_o
;
6971 opcode
= aco_opcode::image_sample_d_o
;
6973 opcode
= aco_opcode::image_sample_b_o
;
6975 opcode
= aco_opcode::image_sample_lz_o
;
6977 opcode
= aco_opcode::image_sample_l_o
;
6979 } else { /* no offset */
6981 opcode
= aco_opcode::image_sample_c
;
6983 opcode
= aco_opcode::image_sample_c_d
;
6985 opcode
= aco_opcode::image_sample_c_b
;
6987 opcode
= aco_opcode::image_sample_c_lz
;
6989 opcode
= aco_opcode::image_sample_c_l
;
6991 opcode
= aco_opcode::image_sample
;
6993 opcode
= aco_opcode::image_sample_d
;
6995 opcode
= aco_opcode::image_sample_b
;
6997 opcode
= aco_opcode::image_sample_lz
;
6999 opcode
= aco_opcode::image_sample_l
;
7003 if (instr
->op
== nir_texop_tg4
) {
7005 opcode
= aco_opcode::image_gather4_lz_o
;
7007 opcode
= aco_opcode::image_gather4_c_lz_o
;
7009 opcode
= aco_opcode::image_gather4_lz
;
7011 opcode
= aco_opcode::image_gather4_c_lz
;
7013 } else if (instr
->op
== nir_texop_lod
) {
7014 opcode
= aco_opcode::image_get_lod
;
7017 tex
.reset(create_instruction
<MIMG_instruction
>(opcode
, Format::MIMG
, 3, 1));
7018 tex
->operands
[0] = Operand(arg
);
7019 tex
->operands
[1] = Operand(resource
);
7020 tex
->operands
[2] = Operand(sampler
);
7024 tex
->definitions
[0] = Definition(tmp_dst
);
7025 tex
->can_reorder
= true;
7026 ctx
->block
->instructions
.emplace_back(std::move(tex
));
7028 if (tg4_integer_cube_workaround
) {
7029 assert(tmp_dst
.id() != dst
.id());
7030 assert(tmp_dst
.size() == dst
.size() && dst
.size() == 4);
7032 emit_split_vector(ctx
, tmp_dst
, tmp_dst
.size());
7034 for (unsigned i
= 0; i
< dst
.size(); i
++) {
7035 val
[i
] = emit_extract_vector(ctx
, tmp_dst
, i
, v1
);
7037 if (stype
== GLSL_TYPE_UINT
)
7038 cvt_val
= bld
.vop1(aco_opcode::v_cvt_u32_f32
, bld
.def(v1
), val
[i
]);
7040 cvt_val
= bld
.vop1(aco_opcode::v_cvt_i32_f32
, bld
.def(v1
), val
[i
]);
7041 val
[i
] = bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
), val
[i
], cvt_val
, tg4_compare_cube_wa64
);
7043 Temp tmp
= dst
.regClass() == v4
? dst
: bld
.tmp(v4
);
7044 tmp_dst
= bld
.pseudo(aco_opcode::p_create_vector
, Definition(tmp
),
7045 val
[0], val
[1], val
[2], val
[3]);
7047 unsigned mask
= instr
->op
== nir_texop_tg4
? 0xF : dmask
;
7048 expand_vector(ctx
, tmp_dst
, dst
, instr
->dest
.ssa
.num_components
, mask
);
7053 Operand
get_phi_operand(isel_context
*ctx
, nir_ssa_def
*ssa
)
7055 Temp tmp
= get_ssa_temp(ctx
, ssa
);
7056 if (ssa
->parent_instr
->type
== nir_instr_type_ssa_undef
)
7057 return Operand(tmp
.regClass());
7059 return Operand(tmp
);
7062 void visit_phi(isel_context
*ctx
, nir_phi_instr
*instr
)
7064 aco_ptr
<Pseudo_instruction
> phi
;
7065 Temp dst
= get_ssa_temp(ctx
, &instr
->dest
.ssa
);
7066 assert(instr
->dest
.ssa
.bit_size
!= 1 || dst
.regClass() == ctx
->program
->lane_mask
);
7068 bool logical
= !dst
.is_linear() || ctx
->divergent_vals
[instr
->dest
.ssa
.index
];
7069 logical
|= ctx
->block
->kind
& block_kind_merge
;
7070 aco_opcode opcode
= logical
? aco_opcode::p_phi
: aco_opcode::p_linear_phi
;
7072 /* we want a sorted list of sources, since the predecessor list is also sorted */
7073 std::map
<unsigned, nir_ssa_def
*> phi_src
;
7074 nir_foreach_phi_src(src
, instr
)
7075 phi_src
[src
->pred
->index
] = src
->src
.ssa
;
7077 std::vector
<unsigned>& preds
= logical
? ctx
->block
->logical_preds
: ctx
->block
->linear_preds
;
7078 unsigned num_operands
= 0;
7079 Operand operands
[std::max(exec_list_length(&instr
->srcs
), (unsigned)preds
.size())];
7080 unsigned num_defined
= 0;
7081 unsigned cur_pred_idx
= 0;
7082 for (std::pair
<unsigned, nir_ssa_def
*> src
: phi_src
) {
7083 if (cur_pred_idx
< preds
.size()) {
7084 /* handle missing preds (IF merges with discard/break) and extra preds (loop exit with discard) */
7085 unsigned block
= ctx
->cf_info
.nir_to_aco
[src
.first
];
7086 unsigned skipped
= 0;
7087 while (cur_pred_idx
+ skipped
< preds
.size() && preds
[cur_pred_idx
+ skipped
] != block
)
7089 if (cur_pred_idx
+ skipped
< preds
.size()) {
7090 for (unsigned i
= 0; i
< skipped
; i
++)
7091 operands
[num_operands
++] = Operand(dst
.regClass());
7092 cur_pred_idx
+= skipped
;
7098 Operand op
= get_phi_operand(ctx
, src
.second
);
7099 operands
[num_operands
++] = op
;
7100 num_defined
+= !op
.isUndefined();
7102 /* handle block_kind_continue_or_break at loop exit blocks */
7103 while (cur_pred_idx
++ < preds
.size())
7104 operands
[num_operands
++] = Operand(dst
.regClass());
7106 if (num_defined
== 0) {
7107 Builder
bld(ctx
->program
, ctx
->block
);
7108 if (dst
.regClass() == s1
) {
7109 bld
.sop1(aco_opcode::s_mov_b32
, Definition(dst
), Operand(0u));
7110 } else if (dst
.regClass() == v1
) {
7111 bld
.vop1(aco_opcode::v_mov_b32
, Definition(dst
), Operand(0u));
7113 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, dst
.size(), 1)};
7114 for (unsigned i
= 0; i
< dst
.size(); i
++)
7115 vec
->operands
[i
] = Operand(0u);
7116 vec
->definitions
[0] = Definition(dst
);
7117 ctx
->block
->instructions
.emplace_back(std::move(vec
));
7122 /* we can use a linear phi in some cases if one src is undef */
7123 if (dst
.is_linear() && ctx
->block
->kind
& block_kind_merge
&& num_defined
== 1) {
7124 phi
.reset(create_instruction
<Pseudo_instruction
>(aco_opcode::p_linear_phi
, Format::PSEUDO
, num_operands
, 1));
7126 Block
*linear_else
= &ctx
->program
->blocks
[ctx
->block
->linear_preds
[1]];
7127 Block
*invert
= &ctx
->program
->blocks
[linear_else
->linear_preds
[0]];
7128 assert(invert
->kind
& block_kind_invert
);
7130 unsigned then_block
= invert
->linear_preds
[0];
7132 Block
* insert_block
= NULL
;
7133 for (unsigned i
= 0; i
< num_operands
; i
++) {
7134 Operand op
= operands
[i
];
7135 if (op
.isUndefined())
7137 insert_block
= ctx
->block
->logical_preds
[i
] == then_block
? invert
: ctx
->block
;
7138 phi
->operands
[0] = op
;
7141 assert(insert_block
); /* should be handled by the "num_defined == 0" case above */
7142 phi
->operands
[1] = Operand(dst
.regClass());
7143 phi
->definitions
[0] = Definition(dst
);
7144 insert_block
->instructions
.emplace(insert_block
->instructions
.begin(), std::move(phi
));
7148 /* try to scalarize vector phis */
7149 if (instr
->dest
.ssa
.bit_size
!= 1 && dst
.size() > 1) {
7150 // TODO: scalarize linear phis on divergent ifs
7151 bool can_scalarize
= (opcode
== aco_opcode::p_phi
|| !(ctx
->block
->kind
& block_kind_merge
));
7152 std::array
<Temp
, 4> new_vec
;
7153 for (unsigned i
= 0; can_scalarize
&& (i
< num_operands
); i
++) {
7154 Operand src
= operands
[i
];
7155 if (src
.isTemp() && ctx
->allocated_vec
.find(src
.tempId()) == ctx
->allocated_vec
.end())
7156 can_scalarize
= false;
7158 if (can_scalarize
) {
7159 unsigned num_components
= instr
->dest
.ssa
.num_components
;
7160 assert(dst
.size() % num_components
== 0);
7161 RegClass rc
= RegClass(dst
.type(), dst
.size() / num_components
);
7163 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, num_components
, 1)};
7164 for (unsigned k
= 0; k
< num_components
; k
++) {
7165 phi
.reset(create_instruction
<Pseudo_instruction
>(opcode
, Format::PSEUDO
, num_operands
, 1));
7166 for (unsigned i
= 0; i
< num_operands
; i
++) {
7167 Operand src
= operands
[i
];
7168 phi
->operands
[i
] = src
.isTemp() ? Operand(ctx
->allocated_vec
[src
.tempId()][k
]) : Operand(rc
);
7170 Temp phi_dst
= {ctx
->program
->allocateId(), rc
};
7171 phi
->definitions
[0] = Definition(phi_dst
);
7172 ctx
->block
->instructions
.emplace(ctx
->block
->instructions
.begin(), std::move(phi
));
7173 new_vec
[k
] = phi_dst
;
7174 vec
->operands
[k
] = Operand(phi_dst
);
7176 vec
->definitions
[0] = Definition(dst
);
7177 ctx
->block
->instructions
.emplace_back(std::move(vec
));
7178 ctx
->allocated_vec
.emplace(dst
.id(), new_vec
);
7183 phi
.reset(create_instruction
<Pseudo_instruction
>(opcode
, Format::PSEUDO
, num_operands
, 1));
7184 for (unsigned i
= 0; i
< num_operands
; i
++)
7185 phi
->operands
[i
] = operands
[i
];
7186 phi
->definitions
[0] = Definition(dst
);
7187 ctx
->block
->instructions
.emplace(ctx
->block
->instructions
.begin(), std::move(phi
));
7191 void visit_undef(isel_context
*ctx
, nir_ssa_undef_instr
*instr
)
7193 Temp dst
= get_ssa_temp(ctx
, &instr
->def
);
7195 assert(dst
.type() == RegType::sgpr
);
7197 if (dst
.size() == 1) {
7198 Builder(ctx
->program
, ctx
->block
).copy(Definition(dst
), Operand(0u));
7200 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, dst
.size(), 1)};
7201 for (unsigned i
= 0; i
< dst
.size(); i
++)
7202 vec
->operands
[i
] = Operand(0u);
7203 vec
->definitions
[0] = Definition(dst
);
7204 ctx
->block
->instructions
.emplace_back(std::move(vec
));
7208 void visit_jump(isel_context
*ctx
, nir_jump_instr
*instr
)
7210 Builder
bld(ctx
->program
, ctx
->block
);
7211 Block
*logical_target
;
7212 append_logical_end(ctx
->block
);
7213 unsigned idx
= ctx
->block
->index
;
7215 switch (instr
->type
) {
7216 case nir_jump_break
:
7217 logical_target
= ctx
->cf_info
.parent_loop
.exit
;
7218 add_logical_edge(idx
, logical_target
);
7219 ctx
->block
->kind
|= block_kind_break
;
7221 if (!ctx
->cf_info
.parent_if
.is_divergent
&&
7222 !ctx
->cf_info
.parent_loop
.has_divergent_continue
) {
7223 /* uniform break - directly jump out of the loop */
7224 ctx
->block
->kind
|= block_kind_uniform
;
7225 ctx
->cf_info
.has_branch
= true;
7226 bld
.branch(aco_opcode::p_branch
);
7227 add_linear_edge(idx
, logical_target
);
7230 ctx
->cf_info
.parent_loop
.has_divergent_branch
= true;
7231 ctx
->cf_info
.nir_to_aco
[instr
->instr
.block
->index
] = ctx
->block
->index
;
7233 case nir_jump_continue
:
7234 logical_target
= &ctx
->program
->blocks
[ctx
->cf_info
.parent_loop
.header_idx
];
7235 add_logical_edge(idx
, logical_target
);
7236 ctx
->block
->kind
|= block_kind_continue
;
7238 if (ctx
->cf_info
.parent_if
.is_divergent
) {
7239 /* for potential uniform breaks after this continue,
7240 we must ensure that they are handled correctly */
7241 ctx
->cf_info
.parent_loop
.has_divergent_continue
= true;
7242 ctx
->cf_info
.parent_loop
.has_divergent_branch
= true;
7243 ctx
->cf_info
.nir_to_aco
[instr
->instr
.block
->index
] = ctx
->block
->index
;
7245 /* uniform continue - directly jump to the loop header */
7246 ctx
->block
->kind
|= block_kind_uniform
;
7247 ctx
->cf_info
.has_branch
= true;
7248 bld
.branch(aco_opcode::p_branch
);
7249 add_linear_edge(idx
, logical_target
);
7254 fprintf(stderr
, "Unknown NIR jump instr: ");
7255 nir_print_instr(&instr
->instr
, stderr
);
7256 fprintf(stderr
, "\n");
7260 /* remove critical edges from linear CFG */
7261 bld
.branch(aco_opcode::p_branch
);
7262 Block
* break_block
= ctx
->program
->create_and_insert_block();
7263 break_block
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7264 break_block
->kind
|= block_kind_uniform
;
7265 add_linear_edge(idx
, break_block
);
7266 /* the loop_header pointer might be invalidated by this point */
7267 if (instr
->type
== nir_jump_continue
)
7268 logical_target
= &ctx
->program
->blocks
[ctx
->cf_info
.parent_loop
.header_idx
];
7269 add_linear_edge(break_block
->index
, logical_target
);
7270 bld
.reset(break_block
);
7271 bld
.branch(aco_opcode::p_branch
);
7273 Block
* continue_block
= ctx
->program
->create_and_insert_block();
7274 continue_block
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7275 add_linear_edge(idx
, continue_block
);
7276 append_logical_start(continue_block
);
7277 ctx
->block
= continue_block
;
7281 void visit_block(isel_context
*ctx
, nir_block
*block
)
7283 nir_foreach_instr(instr
, block
) {
7284 switch (instr
->type
) {
7285 case nir_instr_type_alu
:
7286 visit_alu_instr(ctx
, nir_instr_as_alu(instr
));
7288 case nir_instr_type_load_const
:
7289 visit_load_const(ctx
, nir_instr_as_load_const(instr
));
7291 case nir_instr_type_intrinsic
:
7292 visit_intrinsic(ctx
, nir_instr_as_intrinsic(instr
));
7294 case nir_instr_type_tex
:
7295 visit_tex(ctx
, nir_instr_as_tex(instr
));
7297 case nir_instr_type_phi
:
7298 visit_phi(ctx
, nir_instr_as_phi(instr
));
7300 case nir_instr_type_ssa_undef
:
7301 visit_undef(ctx
, nir_instr_as_ssa_undef(instr
));
7303 case nir_instr_type_deref
:
7305 case nir_instr_type_jump
:
7306 visit_jump(ctx
, nir_instr_as_jump(instr
));
7309 fprintf(stderr
, "Unknown NIR instr type: ");
7310 nir_print_instr(instr
, stderr
);
7311 fprintf(stderr
, "\n");
7316 if (!ctx
->cf_info
.parent_loop
.has_divergent_branch
)
7317 ctx
->cf_info
.nir_to_aco
[block
->index
] = ctx
->block
->index
;
7322 static void visit_loop(isel_context
*ctx
, nir_loop
*loop
)
7324 append_logical_end(ctx
->block
);
7325 ctx
->block
->kind
|= block_kind_loop_preheader
| block_kind_uniform
;
7326 Builder
bld(ctx
->program
, ctx
->block
);
7327 bld
.branch(aco_opcode::p_branch
);
7328 unsigned loop_preheader_idx
= ctx
->block
->index
;
7330 Block loop_exit
= Block();
7331 loop_exit
.loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7332 loop_exit
.kind
|= (block_kind_loop_exit
| (ctx
->block
->kind
& block_kind_top_level
));
7334 Block
* loop_header
= ctx
->program
->create_and_insert_block();
7335 loop_header
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
+ 1;
7336 loop_header
->kind
|= block_kind_loop_header
;
7337 add_edge(loop_preheader_idx
, loop_header
);
7338 ctx
->block
= loop_header
;
7340 /* emit loop body */
7341 unsigned loop_header_idx
= loop_header
->index
;
7342 loop_info_RAII
loop_raii(ctx
, loop_header_idx
, &loop_exit
);
7343 append_logical_start(ctx
->block
);
7344 visit_cf_list(ctx
, &loop
->body
);
7346 //TODO: what if a loop ends with a unconditional or uniformly branched continue and this branch is never taken?
7347 if (!ctx
->cf_info
.has_branch
) {
7348 append_logical_end(ctx
->block
);
7349 if (ctx
->cf_info
.exec_potentially_empty
) {
7350 /* Discards can result in code running with an empty exec mask.
7351 * This would result in divergent breaks not ever being taken. As a
7352 * workaround, break the loop when the loop mask is empty instead of
7353 * always continuing. */
7354 ctx
->block
->kind
|= (block_kind_continue_or_break
| block_kind_uniform
);
7355 unsigned block_idx
= ctx
->block
->index
;
7357 /* create helper blocks to avoid critical edges */
7358 Block
*break_block
= ctx
->program
->create_and_insert_block();
7359 break_block
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7360 break_block
->kind
= block_kind_uniform
;
7361 bld
.reset(break_block
);
7362 bld
.branch(aco_opcode::p_branch
);
7363 add_linear_edge(block_idx
, break_block
);
7364 add_linear_edge(break_block
->index
, &loop_exit
);
7366 Block
*continue_block
= ctx
->program
->create_and_insert_block();
7367 continue_block
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7368 continue_block
->kind
= block_kind_uniform
;
7369 bld
.reset(continue_block
);
7370 bld
.branch(aco_opcode::p_branch
);
7371 add_linear_edge(block_idx
, continue_block
);
7372 add_linear_edge(continue_block
->index
, &ctx
->program
->blocks
[loop_header_idx
]);
7374 add_logical_edge(block_idx
, &ctx
->program
->blocks
[loop_header_idx
]);
7375 ctx
->block
= &ctx
->program
->blocks
[block_idx
];
7377 ctx
->block
->kind
|= (block_kind_continue
| block_kind_uniform
);
7378 if (!ctx
->cf_info
.parent_loop
.has_divergent_branch
)
7379 add_edge(ctx
->block
->index
, &ctx
->program
->blocks
[loop_header_idx
]);
7381 add_linear_edge(ctx
->block
->index
, &ctx
->program
->blocks
[loop_header_idx
]);
7384 bld
.reset(ctx
->block
);
7385 bld
.branch(aco_opcode::p_branch
);
7388 /* fixup phis in loop header from unreachable blocks */
7389 if (ctx
->cf_info
.has_branch
|| ctx
->cf_info
.parent_loop
.has_divergent_branch
) {
7390 bool linear
= ctx
->cf_info
.has_branch
;
7391 bool logical
= ctx
->cf_info
.has_branch
|| ctx
->cf_info
.parent_loop
.has_divergent_branch
;
7392 for (aco_ptr
<Instruction
>& instr
: ctx
->program
->blocks
[loop_header_idx
].instructions
) {
7393 if ((logical
&& instr
->opcode
== aco_opcode::p_phi
) ||
7394 (linear
&& instr
->opcode
== aco_opcode::p_linear_phi
)) {
7395 /* the last operand should be the one that needs to be removed */
7396 instr
->operands
.pop_back();
7397 } else if (!is_phi(instr
)) {
7403 ctx
->cf_info
.has_branch
= false;
7405 // TODO: if the loop has not a single exit, we must add one °°
7406 /* emit loop successor block */
7407 ctx
->block
= ctx
->program
->insert_block(std::move(loop_exit
));
7408 append_logical_start(ctx
->block
);
7411 // TODO: check if it is beneficial to not branch on continues
7412 /* trim linear phis in loop header */
7413 for (auto&& instr
: loop_entry
->instructions
) {
7414 if (instr
->opcode
== aco_opcode::p_linear_phi
) {
7415 aco_ptr
<Pseudo_instruction
> new_phi
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_linear_phi
, Format::PSEUDO
, loop_entry
->linear_predecessors
.size(), 1)};
7416 new_phi
->definitions
[0] = instr
->definitions
[0];
7417 for (unsigned i
= 0; i
< new_phi
->operands
.size(); i
++)
7418 new_phi
->operands
[i
] = instr
->operands
[i
];
7419 /* check that the remaining operands are all the same */
7420 for (unsigned i
= new_phi
->operands
.size(); i
< instr
->operands
.size(); i
++)
7421 assert(instr
->operands
[i
].tempId() == instr
->operands
.back().tempId());
7422 instr
.swap(new_phi
);
7423 } else if (instr
->opcode
== aco_opcode::p_phi
) {
7432 static void begin_divergent_if_then(isel_context
*ctx
, if_context
*ic
, Temp cond
)
7436 append_logical_end(ctx
->block
);
7437 ctx
->block
->kind
|= block_kind_branch
;
7439 /* branch to linear then block */
7440 assert(cond
.regClass() == ctx
->program
->lane_mask
);
7441 aco_ptr
<Pseudo_branch_instruction
> branch
;
7442 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_cbranch_z
, Format::PSEUDO_BRANCH
, 1, 0));
7443 branch
->operands
[0] = Operand(cond
);
7444 ctx
->block
->instructions
.push_back(std::move(branch
));
7446 ic
->BB_if_idx
= ctx
->block
->index
;
7447 ic
->BB_invert
= Block();
7448 ic
->BB_invert
.loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7449 /* Invert blocks are intentionally not marked as top level because they
7450 * are not part of the logical cfg. */
7451 ic
->BB_invert
.kind
|= block_kind_invert
;
7452 ic
->BB_endif
= Block();
7453 ic
->BB_endif
.loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7454 ic
->BB_endif
.kind
|= (block_kind_merge
| (ctx
->block
->kind
& block_kind_top_level
));
7456 ic
->exec_potentially_empty_old
= ctx
->cf_info
.exec_potentially_empty
;
7457 ic
->divergent_old
= ctx
->cf_info
.parent_if
.is_divergent
;
7458 ctx
->cf_info
.parent_if
.is_divergent
= true;
7459 ctx
->cf_info
.exec_potentially_empty
= false; /* divergent branches use cbranch_execz */
7461 /** emit logical then block */
7462 Block
* BB_then_logical
= ctx
->program
->create_and_insert_block();
7463 BB_then_logical
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7464 add_edge(ic
->BB_if_idx
, BB_then_logical
);
7465 ctx
->block
= BB_then_logical
;
7466 append_logical_start(BB_then_logical
);
7469 static void begin_divergent_if_else(isel_context
*ctx
, if_context
*ic
)
7471 Block
*BB_then_logical
= ctx
->block
;
7472 append_logical_end(BB_then_logical
);
7473 /* branch from logical then block to invert block */
7474 aco_ptr
<Pseudo_branch_instruction
> branch
;
7475 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_branch
, Format::PSEUDO_BRANCH
, 0, 0));
7476 BB_then_logical
->instructions
.emplace_back(std::move(branch
));
7477 add_linear_edge(BB_then_logical
->index
, &ic
->BB_invert
);
7478 if (!ctx
->cf_info
.parent_loop
.has_divergent_branch
)
7479 add_logical_edge(BB_then_logical
->index
, &ic
->BB_endif
);
7480 BB_then_logical
->kind
|= block_kind_uniform
;
7481 assert(!ctx
->cf_info
.has_branch
);
7482 ic
->then_branch_divergent
= ctx
->cf_info
.parent_loop
.has_divergent_branch
;
7483 ctx
->cf_info
.parent_loop
.has_divergent_branch
= false;
7485 /** emit linear then block */
7486 Block
* BB_then_linear
= ctx
->program
->create_and_insert_block();
7487 BB_then_linear
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7488 BB_then_linear
->kind
|= block_kind_uniform
;
7489 add_linear_edge(ic
->BB_if_idx
, BB_then_linear
);
7490 /* branch from linear then block to invert block */
7491 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_branch
, Format::PSEUDO_BRANCH
, 0, 0));
7492 BB_then_linear
->instructions
.emplace_back(std::move(branch
));
7493 add_linear_edge(BB_then_linear
->index
, &ic
->BB_invert
);
7495 /** emit invert merge block */
7496 ctx
->block
= ctx
->program
->insert_block(std::move(ic
->BB_invert
));
7497 ic
->invert_idx
= ctx
->block
->index
;
7499 /* branch to linear else block (skip else) */
7500 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_cbranch_nz
, Format::PSEUDO_BRANCH
, 1, 0));
7501 branch
->operands
[0] = Operand(ic
->cond
);
7502 ctx
->block
->instructions
.push_back(std::move(branch
));
7504 ic
->exec_potentially_empty_old
|= ctx
->cf_info
.exec_potentially_empty
;
7505 ctx
->cf_info
.exec_potentially_empty
= false; /* divergent branches use cbranch_execz */
7507 /** emit logical else block */
7508 Block
* BB_else_logical
= ctx
->program
->create_and_insert_block();
7509 BB_else_logical
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7510 add_logical_edge(ic
->BB_if_idx
, BB_else_logical
);
7511 add_linear_edge(ic
->invert_idx
, BB_else_logical
);
7512 ctx
->block
= BB_else_logical
;
7513 append_logical_start(BB_else_logical
);
7516 static void end_divergent_if(isel_context
*ctx
, if_context
*ic
)
7518 Block
*BB_else_logical
= ctx
->block
;
7519 append_logical_end(BB_else_logical
);
7521 /* branch from logical else block to endif block */
7522 aco_ptr
<Pseudo_branch_instruction
> branch
;
7523 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_branch
, Format::PSEUDO_BRANCH
, 0, 0));
7524 BB_else_logical
->instructions
.emplace_back(std::move(branch
));
7525 add_linear_edge(BB_else_logical
->index
, &ic
->BB_endif
);
7526 if (!ctx
->cf_info
.parent_loop
.has_divergent_branch
)
7527 add_logical_edge(BB_else_logical
->index
, &ic
->BB_endif
);
7528 BB_else_logical
->kind
|= block_kind_uniform
;
7530 assert(!ctx
->cf_info
.has_branch
);
7531 ctx
->cf_info
.parent_loop
.has_divergent_branch
&= ic
->then_branch_divergent
;
7534 /** emit linear else block */
7535 Block
* BB_else_linear
= ctx
->program
->create_and_insert_block();
7536 BB_else_linear
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7537 BB_else_linear
->kind
|= block_kind_uniform
;
7538 add_linear_edge(ic
->invert_idx
, BB_else_linear
);
7540 /* branch from linear else block to endif block */
7541 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_branch
, Format::PSEUDO_BRANCH
, 0, 0));
7542 BB_else_linear
->instructions
.emplace_back(std::move(branch
));
7543 add_linear_edge(BB_else_linear
->index
, &ic
->BB_endif
);
7546 /** emit endif merge block */
7547 ctx
->block
= ctx
->program
->insert_block(std::move(ic
->BB_endif
));
7548 append_logical_start(ctx
->block
);
7551 ctx
->cf_info
.parent_if
.is_divergent
= ic
->divergent_old
;
7552 ctx
->cf_info
.exec_potentially_empty
|= ic
->exec_potentially_empty_old
;
7553 /* uniform control flow never has an empty exec-mask */
7554 if (!ctx
->cf_info
.loop_nest_depth
&& !ctx
->cf_info
.parent_if
.is_divergent
)
7555 ctx
->cf_info
.exec_potentially_empty
= false;
7558 static void visit_if(isel_context
*ctx
, nir_if
*if_stmt
)
7560 Temp cond
= get_ssa_temp(ctx
, if_stmt
->condition
.ssa
);
7561 Builder
bld(ctx
->program
, ctx
->block
);
7562 aco_ptr
<Pseudo_branch_instruction
> branch
;
7564 if (!ctx
->divergent_vals
[if_stmt
->condition
.ssa
->index
]) { /* uniform condition */
7566 * Uniform conditionals are represented in the following way*) :
7568 * The linear and logical CFG:
7571 * BB_THEN (logical) BB_ELSE (logical)
7575 * *) Exceptions may be due to break and continue statements within loops
7576 * If a break/continue happens within uniform control flow, it branches
7577 * to the loop exit/entry block. Otherwise, it branches to the next
7580 append_logical_end(ctx
->block
);
7581 ctx
->block
->kind
|= block_kind_uniform
;
7584 assert(cond
.regClass() == bld
.lm
);
7585 // TODO: in a post-RA optimizer, we could check if the condition is in VCC and omit this instruction
7586 cond
= bool_to_scalar_condition(ctx
, cond
);
7588 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_cbranch_z
, Format::PSEUDO_BRANCH
, 1, 0));
7589 branch
->operands
[0] = Operand(cond
);
7590 branch
->operands
[0].setFixed(scc
);
7591 ctx
->block
->instructions
.emplace_back(std::move(branch
));
7593 unsigned BB_if_idx
= ctx
->block
->index
;
7594 Block BB_endif
= Block();
7595 BB_endif
.loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7596 BB_endif
.kind
|= ctx
->block
->kind
& block_kind_top_level
;
7598 /** emit then block */
7599 Block
* BB_then
= ctx
->program
->create_and_insert_block();
7600 BB_then
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7601 add_edge(BB_if_idx
, BB_then
);
7602 append_logical_start(BB_then
);
7603 ctx
->block
= BB_then
;
7604 visit_cf_list(ctx
, &if_stmt
->then_list
);
7605 BB_then
= ctx
->block
;
7606 bool then_branch
= ctx
->cf_info
.has_branch
;
7607 bool then_branch_divergent
= ctx
->cf_info
.parent_loop
.has_divergent_branch
;
7610 append_logical_end(BB_then
);
7611 /* branch from then block to endif block */
7612 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_branch
, Format::PSEUDO_BRANCH
, 0, 0));
7613 BB_then
->instructions
.emplace_back(std::move(branch
));
7614 add_linear_edge(BB_then
->index
, &BB_endif
);
7615 if (!then_branch_divergent
)
7616 add_logical_edge(BB_then
->index
, &BB_endif
);
7617 BB_then
->kind
|= block_kind_uniform
;
7620 ctx
->cf_info
.has_branch
= false;
7621 ctx
->cf_info
.parent_loop
.has_divergent_branch
= false;
7623 /** emit else block */
7624 Block
* BB_else
= ctx
->program
->create_and_insert_block();
7625 BB_else
->loop_nest_depth
= ctx
->cf_info
.loop_nest_depth
;
7626 add_edge(BB_if_idx
, BB_else
);
7627 append_logical_start(BB_else
);
7628 ctx
->block
= BB_else
;
7629 visit_cf_list(ctx
, &if_stmt
->else_list
);
7630 BB_else
= ctx
->block
;
7632 if (!ctx
->cf_info
.has_branch
) {
7633 append_logical_end(BB_else
);
7634 /* branch from then block to endif block */
7635 branch
.reset(create_instruction
<Pseudo_branch_instruction
>(aco_opcode::p_branch
, Format::PSEUDO_BRANCH
, 0, 0));
7636 BB_else
->instructions
.emplace_back(std::move(branch
));
7637 add_linear_edge(BB_else
->index
, &BB_endif
);
7638 if (!ctx
->cf_info
.parent_loop
.has_divergent_branch
)
7639 add_logical_edge(BB_else
->index
, &BB_endif
);
7640 BB_else
->kind
|= block_kind_uniform
;
7643 ctx
->cf_info
.has_branch
&= then_branch
;
7644 ctx
->cf_info
.parent_loop
.has_divergent_branch
&= then_branch_divergent
;
7646 /** emit endif merge block */
7647 if (!ctx
->cf_info
.has_branch
) {
7648 ctx
->block
= ctx
->program
->insert_block(std::move(BB_endif
));
7649 append_logical_start(ctx
->block
);
7651 } else { /* non-uniform condition */
7653 * To maintain a logical and linear CFG without critical edges,
7654 * non-uniform conditionals are represented in the following way*) :
7659 * BB_THEN (logical) BB_THEN (linear)
7661 * BB_INVERT (linear)
7663 * BB_ELSE (logical) BB_ELSE (linear)
7670 * BB_THEN (logical) BB_ELSE (logical)
7674 * *) Exceptions may be due to break and continue statements within loops
7679 begin_divergent_if_then(ctx
, &ic
, cond
);
7680 visit_cf_list(ctx
, &if_stmt
->then_list
);
7682 begin_divergent_if_else(ctx
, &ic
);
7683 visit_cf_list(ctx
, &if_stmt
->else_list
);
7685 end_divergent_if(ctx
, &ic
);
7689 static void visit_cf_list(isel_context
*ctx
,
7690 struct exec_list
*list
)
7692 foreach_list_typed(nir_cf_node
, node
, node
, list
) {
7693 switch (node
->type
) {
7694 case nir_cf_node_block
:
7695 visit_block(ctx
, nir_cf_node_as_block(node
));
7697 case nir_cf_node_if
:
7698 visit_if(ctx
, nir_cf_node_as_if(node
));
7700 case nir_cf_node_loop
:
7701 visit_loop(ctx
, nir_cf_node_as_loop(node
));
7704 unreachable("unimplemented cf list type");
7709 static void export_vs_varying(isel_context
*ctx
, int slot
, bool is_pos
, int *next_pos
)
7711 int offset
= ctx
->program
->info
->vs
.outinfo
.vs_output_param_offset
[slot
];
7712 uint64_t mask
= ctx
->vs_output
.mask
[slot
];
7713 if (!is_pos
&& !mask
)
7715 if (!is_pos
&& offset
== AC_EXP_PARAM_UNDEFINED
)
7717 aco_ptr
<Export_instruction
> exp
{create_instruction
<Export_instruction
>(aco_opcode::exp
, Format::EXP
, 4, 0)};
7718 exp
->enabled_mask
= mask
;
7719 for (unsigned i
= 0; i
< 4; ++i
) {
7720 if (mask
& (1 << i
))
7721 exp
->operands
[i
] = Operand(ctx
->vs_output
.outputs
[slot
][i
]);
7723 exp
->operands
[i
] = Operand(v1
);
7725 exp
->valid_mask
= false;
7727 exp
->compressed
= false;
7729 exp
->dest
= V_008DFC_SQ_EXP_POS
+ (*next_pos
)++;
7731 exp
->dest
= V_008DFC_SQ_EXP_PARAM
+ offset
;
7732 ctx
->block
->instructions
.emplace_back(std::move(exp
));
7735 static void export_vs_psiz_layer_viewport(isel_context
*ctx
, int *next_pos
)
7737 aco_ptr
<Export_instruction
> exp
{create_instruction
<Export_instruction
>(aco_opcode::exp
, Format::EXP
, 4, 0)};
7738 exp
->enabled_mask
= 0;
7739 for (unsigned i
= 0; i
< 4; ++i
)
7740 exp
->operands
[i
] = Operand(v1
);
7741 if (ctx
->vs_output
.mask
[VARYING_SLOT_PSIZ
]) {
7742 exp
->operands
[0] = Operand(ctx
->vs_output
.outputs
[VARYING_SLOT_PSIZ
][0]);
7743 exp
->enabled_mask
|= 0x1;
7745 if (ctx
->vs_output
.mask
[VARYING_SLOT_LAYER
]) {
7746 exp
->operands
[2] = Operand(ctx
->vs_output
.outputs
[VARYING_SLOT_LAYER
][0]);
7747 exp
->enabled_mask
|= 0x4;
7749 if (ctx
->vs_output
.mask
[VARYING_SLOT_VIEWPORT
]) {
7750 if (ctx
->options
->chip_class
< GFX9
) {
7751 exp
->operands
[3] = Operand(ctx
->vs_output
.outputs
[VARYING_SLOT_VIEWPORT
][0]);
7752 exp
->enabled_mask
|= 0x8;
7754 Builder
bld(ctx
->program
, ctx
->block
);
7756 Temp out
= bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(16u),
7757 Operand(ctx
->vs_output
.outputs
[VARYING_SLOT_VIEWPORT
][0]));
7758 if (exp
->operands
[2].isTemp())
7759 out
= bld
.vop2(aco_opcode::v_or_b32
, bld
.def(v1
), Operand(out
), exp
->operands
[2]);
7761 exp
->operands
[2] = Operand(out
);
7762 exp
->enabled_mask
|= 0x4;
7765 exp
->valid_mask
= false;
7767 exp
->compressed
= false;
7768 exp
->dest
= V_008DFC_SQ_EXP_POS
+ (*next_pos
)++;
7769 ctx
->block
->instructions
.emplace_back(std::move(exp
));
7772 static void create_vs_exports(isel_context
*ctx
)
7774 radv_vs_output_info
*outinfo
= &ctx
->program
->info
->vs
.outinfo
;
7776 if (outinfo
->export_prim_id
) {
7777 ctx
->vs_output
.mask
[VARYING_SLOT_PRIMITIVE_ID
] |= 0x1;
7778 ctx
->vs_output
.outputs
[VARYING_SLOT_PRIMITIVE_ID
][0] = get_arg(ctx
, ctx
->args
->vs_prim_id
);
7781 if (ctx
->options
->key
.has_multiview_view_index
) {
7782 ctx
->vs_output
.mask
[VARYING_SLOT_LAYER
] |= 0x1;
7783 ctx
->vs_output
.outputs
[VARYING_SLOT_LAYER
][0] = as_vgpr(ctx
, get_arg(ctx
, ctx
->args
->ac
.view_index
));
7786 /* the order these position exports are created is important */
7788 export_vs_varying(ctx
, VARYING_SLOT_POS
, true, &next_pos
);
7789 if (outinfo
->writes_pointsize
|| outinfo
->writes_layer
|| outinfo
->writes_viewport_index
) {
7790 export_vs_psiz_layer_viewport(ctx
, &next_pos
);
7792 if (ctx
->num_clip_distances
+ ctx
->num_cull_distances
> 0)
7793 export_vs_varying(ctx
, VARYING_SLOT_CLIP_DIST0
, true, &next_pos
);
7794 if (ctx
->num_clip_distances
+ ctx
->num_cull_distances
> 4)
7795 export_vs_varying(ctx
, VARYING_SLOT_CLIP_DIST1
, true, &next_pos
);
7797 if (ctx
->options
->key
.vs_common_out
.export_clip_dists
) {
7798 if (ctx
->num_clip_distances
+ ctx
->num_cull_distances
> 0)
7799 export_vs_varying(ctx
, VARYING_SLOT_CLIP_DIST0
, false, &next_pos
);
7800 if (ctx
->num_clip_distances
+ ctx
->num_cull_distances
> 4)
7801 export_vs_varying(ctx
, VARYING_SLOT_CLIP_DIST1
, false, &next_pos
);
7804 for (unsigned i
= 0; i
<= VARYING_SLOT_VAR31
; ++i
) {
7805 if (i
< VARYING_SLOT_VAR0
&& i
!= VARYING_SLOT_LAYER
&&
7806 i
!= VARYING_SLOT_PRIMITIVE_ID
)
7809 export_vs_varying(ctx
, i
, false, NULL
);
7813 static void emit_stream_output(isel_context
*ctx
,
7814 Temp
const *so_buffers
,
7815 Temp
const *so_write_offset
,
7816 const struct radv_stream_output
*output
)
7818 unsigned num_comps
= util_bitcount(output
->component_mask
);
7819 unsigned loc
= output
->location
;
7820 unsigned buf
= output
->buffer
;
7821 unsigned offset
= output
->offset
;
7823 assert(num_comps
&& num_comps
<= 4);
7824 if (!num_comps
|| num_comps
> 4)
7827 unsigned start
= ffs(output
->component_mask
) - 1;
7830 bool all_undef
= true;
7831 assert(ctx
->stage
== vertex_vs
);
7832 for (unsigned i
= 0; i
< num_comps
; i
++) {
7833 out
[i
] = ctx
->vs_output
.outputs
[loc
][start
+ i
];
7834 all_undef
= all_undef
&& !out
[i
].id();
7839 Temp write_data
= {ctx
->program
->allocateId(), RegClass(RegType::vgpr
, num_comps
)};
7840 aco_ptr
<Pseudo_instruction
> vec
{create_instruction
<Pseudo_instruction
>(aco_opcode::p_create_vector
, Format::PSEUDO
, num_comps
, 1)};
7841 for (unsigned i
= 0; i
< num_comps
; ++i
)
7842 vec
->operands
[i
] = (ctx
->vs_output
.mask
[loc
] & 1 << i
) ? Operand(out
[i
]) : Operand(0u);
7843 vec
->definitions
[0] = Definition(write_data
);
7844 ctx
->block
->instructions
.emplace_back(std::move(vec
));
7847 switch (num_comps
) {
7849 opcode
= aco_opcode::buffer_store_dword
;
7852 opcode
= aco_opcode::buffer_store_dwordx2
;
7855 opcode
= aco_opcode::buffer_store_dwordx3
;
7858 opcode
= aco_opcode::buffer_store_dwordx4
;
7862 aco_ptr
<MUBUF_instruction
> store
{create_instruction
<MUBUF_instruction
>(opcode
, Format::MUBUF
, 4, 0)};
7863 store
->operands
[0] = Operand(so_write_offset
[buf
]);
7864 store
->operands
[1] = Operand(so_buffers
[buf
]);
7865 store
->operands
[2] = Operand((uint32_t) 0);
7866 store
->operands
[3] = Operand(write_data
);
7867 if (offset
> 4095) {
7868 /* Don't think this can happen in RADV, but maybe GL? It's easy to do this anyway. */
7869 Builder
bld(ctx
->program
, ctx
->block
);
7870 store
->operands
[0] = bld
.vadd32(bld
.def(v1
), Operand(offset
), Operand(so_write_offset
[buf
]));
7872 store
->offset
= offset
;
7874 store
->offen
= true;
7878 store
->can_reorder
= true;
7879 ctx
->block
->instructions
.emplace_back(std::move(store
));
7882 static void emit_streamout(isel_context
*ctx
, unsigned stream
)
7884 Builder
bld(ctx
->program
, ctx
->block
);
7887 Temp buf_ptr
= convert_pointer_to_64_bit(ctx
, get_arg(ctx
, ctx
->args
->streamout_buffers
));
7888 for (unsigned i
= 0; i
< 4; i
++) {
7889 unsigned stride
= ctx
->program
->info
->so
.strides
[i
];
7893 so_buffers
[i
] = bld
.smem(aco_opcode::s_load_dwordx4
, bld
.def(s4
), buf_ptr
, Operand(i
* 16u));
7896 Temp so_vtx_count
= bld
.sop2(aco_opcode::s_bfe_u32
, bld
.def(s1
), bld
.def(s1
, scc
),
7897 get_arg(ctx
, ctx
->args
->streamout_config
), Operand(0x70010u
));
7899 Temp tid
= emit_mbcnt(ctx
, bld
.def(v1
));
7901 Temp can_emit
= bld
.vopc(aco_opcode::v_cmp_gt_i32
, bld
.def(s2
), so_vtx_count
, tid
);
7904 begin_divergent_if_then(ctx
, &ic
, can_emit
);
7906 bld
.reset(ctx
->block
);
7908 Temp so_write_index
= bld
.vadd32(bld
.def(v1
), get_arg(ctx
, ctx
->args
->streamout_write_idx
), tid
);
7910 Temp so_write_offset
[4];
7912 for (unsigned i
= 0; i
< 4; i
++) {
7913 unsigned stride
= ctx
->program
->info
->so
.strides
[i
];
7918 Temp offset
= bld
.sop2(aco_opcode::s_add_i32
, bld
.def(s1
), bld
.def(s1
, scc
),
7919 get_arg(ctx
, ctx
->args
->streamout_write_idx
),
7920 get_arg(ctx
, ctx
->args
->streamout_offset
[i
]));
7921 Temp new_offset
= bld
.vadd32(bld
.def(v1
), offset
, tid
);
7923 so_write_offset
[i
] = bld
.vop2(aco_opcode::v_lshlrev_b32
, bld
.def(v1
), Operand(2u), new_offset
);
7925 Temp offset
= bld
.v_mul_imm(bld
.def(v1
), so_write_index
, stride
* 4u);
7926 Temp offset2
= bld
.sop2(aco_opcode::s_mul_i32
, bld
.def(s1
), Operand(4u),
7927 get_arg(ctx
, ctx
->args
->streamout_offset
[i
]));
7928 so_write_offset
[i
] = bld
.vadd32(bld
.def(v1
), offset
, offset2
);
7932 for (unsigned i
= 0; i
< ctx
->program
->info
->so
.num_outputs
; i
++) {
7933 struct radv_stream_output
*output
=
7934 &ctx
->program
->info
->so
.outputs
[i
];
7935 if (stream
!= output
->stream
)
7938 emit_stream_output(ctx
, so_buffers
, so_write_offset
, output
);
7941 begin_divergent_if_else(ctx
, &ic
);
7942 end_divergent_if(ctx
, &ic
);
7945 } /* end namespace */
7947 void split_arguments(isel_context
*ctx
, Pseudo_instruction
*startpgm
)
7949 /* Split all arguments except for the first (ring_offsets) and the last
7950 * (exec) so that the dead channels don't stay live throughout the program.
7952 for (unsigned i
= 1; i
< startpgm
->definitions
.size() - 1; i
++) {
7953 if (startpgm
->definitions
[i
].regClass().size() > 1) {
7954 emit_split_vector(ctx
, startpgm
->definitions
[i
].getTemp(),
7955 startpgm
->definitions
[i
].regClass().size());
7960 void handle_bc_optimize(isel_context
*ctx
)
7962 /* needed when SPI_PS_IN_CONTROL.BC_OPTIMIZE_DISABLE is set to 0 */
7963 Builder
bld(ctx
->program
, ctx
->block
);
7964 uint32_t spi_ps_input_ena
= ctx
->program
->config
->spi_ps_input_ena
;
7965 bool uses_center
= G_0286CC_PERSP_CENTER_ENA(spi_ps_input_ena
) || G_0286CC_LINEAR_CENTER_ENA(spi_ps_input_ena
);
7966 bool uses_centroid
= G_0286CC_PERSP_CENTROID_ENA(spi_ps_input_ena
) || G_0286CC_LINEAR_CENTROID_ENA(spi_ps_input_ena
);
7967 ctx
->persp_centroid
= get_arg(ctx
, ctx
->args
->ac
.persp_centroid
);
7968 ctx
->linear_centroid
= get_arg(ctx
, ctx
->args
->ac
.linear_centroid
);
7969 if (uses_center
&& uses_centroid
) {
7970 Temp sel
= bld
.vopc_e64(aco_opcode::v_cmp_lt_i32
, bld
.hint_vcc(bld
.def(bld
.lm
)),
7971 get_arg(ctx
, ctx
->args
->ac
.prim_mask
), Operand(0u));
7973 if (G_0286CC_PERSP_CENTROID_ENA(spi_ps_input_ena
)) {
7975 for (unsigned i
= 0; i
< 2; i
++) {
7976 Temp persp_centroid
= emit_extract_vector(ctx
, get_arg(ctx
, ctx
->args
->ac
.persp_centroid
), i
, v1
);
7977 Temp persp_center
= emit_extract_vector(ctx
, get_arg(ctx
, ctx
->args
->ac
.persp_center
), i
, v1
);
7978 new_coord
[i
] = bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
),
7979 persp_centroid
, persp_center
, sel
);
7981 ctx
->persp_centroid
= bld
.tmp(v2
);
7982 bld
.pseudo(aco_opcode::p_create_vector
, Definition(ctx
->persp_centroid
),
7983 Operand(new_coord
[0]), Operand(new_coord
[1]));
7984 emit_split_vector(ctx
, ctx
->persp_centroid
, 2);
7987 if (G_0286CC_LINEAR_CENTROID_ENA(spi_ps_input_ena
)) {
7989 for (unsigned i
= 0; i
< 2; i
++) {
7990 Temp linear_centroid
= emit_extract_vector(ctx
, get_arg(ctx
, ctx
->args
->ac
.linear_centroid
), i
, v1
);
7991 Temp linear_center
= emit_extract_vector(ctx
, get_arg(ctx
, ctx
->args
->ac
.linear_center
), i
, v1
);
7992 new_coord
[i
] = bld
.vop2(aco_opcode::v_cndmask_b32
, bld
.def(v1
),
7993 linear_centroid
, linear_center
, sel
);
7995 ctx
->linear_centroid
= bld
.tmp(v2
);
7996 bld
.pseudo(aco_opcode::p_create_vector
, Definition(ctx
->linear_centroid
),
7997 Operand(new_coord
[0]), Operand(new_coord
[1]));
7998 emit_split_vector(ctx
, ctx
->linear_centroid
, 2);
8003 void setup_fp_mode(isel_context
*ctx
, nir_shader
*shader
)
8005 Program
*program
= ctx
->program
;
8007 unsigned float_controls
= shader
->info
.float_controls_execution_mode
;
8009 program
->next_fp_mode
.preserve_signed_zero_inf_nan32
=
8010 float_controls
& FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP32
;
8011 program
->next_fp_mode
.preserve_signed_zero_inf_nan16_64
=
8012 float_controls
& (FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP16
|
8013 FLOAT_CONTROLS_SIGNED_ZERO_INF_NAN_PRESERVE_FP64
);
8015 program
->next_fp_mode
.must_flush_denorms32
=
8016 float_controls
& FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP32
;
8017 program
->next_fp_mode
.must_flush_denorms16_64
=
8018 float_controls
& (FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP16
|
8019 FLOAT_CONTROLS_DENORM_FLUSH_TO_ZERO_FP64
);
8021 program
->next_fp_mode
.care_about_round32
=
8022 float_controls
& (FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP32
| FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP32
);
8024 program
->next_fp_mode
.care_about_round16_64
=
8025 float_controls
& (FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP16
| FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP64
|
8026 FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP16
| FLOAT_CONTROLS_ROUNDING_MODE_RTE_FP64
);
8028 /* default to preserving fp16 and fp64 denorms, since it's free */
8029 if (program
->next_fp_mode
.must_flush_denorms16_64
)
8030 program
->next_fp_mode
.denorm16_64
= 0;
8032 program
->next_fp_mode
.denorm16_64
= fp_denorm_keep
;
8034 /* preserving fp32 denorms is expensive, so only do it if asked */
8035 if (float_controls
& FLOAT_CONTROLS_DENORM_PRESERVE_FP32
)
8036 program
->next_fp_mode
.denorm32
= fp_denorm_keep
;
8038 program
->next_fp_mode
.denorm32
= 0;
8040 if (float_controls
& FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP32
)
8041 program
->next_fp_mode
.round32
= fp_round_tz
;
8043 program
->next_fp_mode
.round32
= fp_round_ne
;
8045 if (float_controls
& (FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP16
| FLOAT_CONTROLS_ROUNDING_MODE_RTZ_FP64
))
8046 program
->next_fp_mode
.round16_64
= fp_round_tz
;
8048 program
->next_fp_mode
.round16_64
= fp_round_ne
;
8050 ctx
->block
->fp_mode
= program
->next_fp_mode
;
8053 void select_program(Program
*program
,
8054 unsigned shader_count
,
8055 struct nir_shader
*const *shaders
,
8056 ac_shader_config
* config
,
8057 struct radv_shader_args
*args
)
8059 isel_context ctx
= setup_isel_context(program
, shader_count
, shaders
, config
, args
);
8061 for (unsigned i
= 0; i
< shader_count
; i
++) {
8062 nir_shader
*nir
= shaders
[i
];
8063 init_context(&ctx
, nir
);
8065 setup_fp_mode(&ctx
, nir
);
8068 /* needs to be after init_context() for FS */
8069 Pseudo_instruction
*startpgm
= add_startpgm(&ctx
);
8070 append_logical_start(ctx
.block
);
8071 split_arguments(&ctx
, startpgm
);
8075 if (shader_count
>= 2) {
8076 Builder
bld(ctx
.program
, ctx
.block
);
8077 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)));
8078 Temp thread_id
= emit_mbcnt(&ctx
, bld
.def(v1
));
8079 Temp cond
= bld
.vopc(aco_opcode::v_cmp_gt_u32
, bld
.hint_vcc(bld
.def(bld
.lm
)), count
, thread_id
);
8081 begin_divergent_if_then(&ctx
, &ic
, cond
);
8085 Builder
bld(ctx
.program
, ctx
.block
);
8086 bld
.barrier(aco_opcode::p_memory_barrier_shared
); //TODO: different barriers are needed for different stages
8087 bld
.sopp(aco_opcode::s_barrier
);
8090 if (ctx
.stage
== fragment_fs
)
8091 handle_bc_optimize(&ctx
);
8093 nir_function_impl
*func
= nir_shader_get_entrypoint(nir
);
8094 visit_cf_list(&ctx
, &func
->body
);
8096 if (ctx
.program
->info
->so
.num_outputs
/*&& !ctx->is_gs_copy_shader */)
8097 emit_streamout(&ctx
, 0);
8099 if (ctx
.stage
== vertex_vs
)
8100 create_vs_exports(&ctx
);
8102 if (shader_count
>= 2) {
8103 begin_divergent_if_else(&ctx
, &ic
);
8104 end_divergent_if(&ctx
, &ic
);
8107 ralloc_free(ctx
.divergent_vals
);
8110 program
->config
->float_mode
= program
->blocks
[0].fp_mode
.val
;
8112 append_logical_end(ctx
.block
);
8113 ctx
.block
->kind
|= block_kind_uniform
;
8114 Builder
bld(ctx
.program
, ctx
.block
);
8115 if (ctx
.program
->wb_smem_l1_on_end
)
8116 bld
.smem(aco_opcode::s_dcache_wb
, false);
8117 bld
.sopp(aco_opcode::s_endpgm
);
8120 for (Block
& BB
: program
->blocks
) {
8121 for (unsigned idx
: BB
.linear_preds
)
8122 program
->blocks
[idx
].linear_succs
.emplace_back(BB
.index
);
8123 for (unsigned idx
: BB
.logical_preds
)
8124 program
->blocks
[idx
].logical_succs
.emplace_back(BB
.index
);