diff options
Diffstat (limited to 'src/compiler')
| -rw-r--r-- | src/compiler/nir/nir_constant_expressions.h | 3 | ||||
| -rw-r--r-- | src/compiler/nir/nir_constant_expressions.py | 61 | ||||
| -rw-r--r-- | src/compiler/nir/nir_loop_analyze.c | 67 | ||||
| -rw-r--r-- | src/compiler/nir/nir_opt_constant_folding.c | 15 | ||||
| -rw-r--r-- | src/compiler/spirv/spirv_to_nir.c | 4 |
5 files changed, 109 insertions, 41 deletions
diff --git a/src/compiler/nir/nir_constant_expressions.h b/src/compiler/nir/nir_constant_expressions.h index 087663f7480..6450d5c3d03 100644 --- a/src/compiler/nir/nir_constant_expressions.h +++ b/src/compiler/nir/nir_constant_expressions.h @@ -32,6 +32,7 @@ void nir_eval_const_opcode(nir_op op, nir_const_value *dest, unsigned num_components, unsigned bit_size, - nir_const_value **src); + nir_const_value **src, + unsigned float_controls_execution_mode); #endif /* NIR_CONSTANT_EXPRESSIONS_H */ diff --git a/src/compiler/nir/nir_constant_expressions.py b/src/compiler/nir/nir_constant_expressions.py index fca14602855..1df97aa1000 100644 --- a/src/compiler/nir/nir_constant_expressions.py +++ b/src/compiler/nir/nir_constant_expressions.py @@ -69,6 +69,27 @@ template = """\ #define MAX_UINT_FOR_SIZE(bits) (UINT64_MAX >> (64 - (bits))) /** + * \brief Checks if the provided value is a denorm and flushes it to zero. + */ +static void +constant_denorm_flush_to_zero(nir_const_value *value, unsigned bit_size) +{ + switch(bit_size) { + case 64: + if (0 == (value->u64 & 0x7ff0000000000000)) + value->u64 &= 0x8000000000000000; + break; + case 32: + if (0 == (value->u32 & 0x7f800000)) + value->u32 &= 0x80000000; + break; + case 16: + if (0 == (value->u16 & 0x7c00)) + value->u16 &= 0x8000; + } +} + +/** * Evaluate one component of packSnorm4x8. */ static uint8_t @@ -262,7 +283,7 @@ struct ${type}${width}_vec { % endfor % endfor -<%def name="evaluate_op(op, bit_size)"> +<%def name="evaluate_op(op, bit_size, execution_mode)"> <% output_type = type_add_size(op.output_type, bit_size) input_types = [type_add_size(type_, bit_size) for type_ in op.input_types] @@ -345,6 +366,18 @@ struct ${type}${width}_vec { % else: _dst_val[_i].${get_const_field(output_type)} = dst; % endif + + % if op.name != "fquantize2f16" and type_base_type(output_type) == "float": + % if type_has_size(output_type): + if (nir_is_denorm_flush_to_zero(execution_mode, ${type_size(output_type)})) { + constant_denorm_flush_to_zero(&_dst_val[_i], ${type_size(output_type)}); + } + % else: + if (nir_is_denorm_flush_to_zero(execution_mode, ${bit_size})) { + constant_denorm_flush_to_zero(&_dst_val[i], bit_size); + } + %endif + % endif } % else: ## In the non-per-component case, create a struct dst with @@ -377,6 +410,18 @@ struct ${type}${width}_vec { % else: _dst_val[${k}].${get_const_field(output_type)} = dst.${"xyzw"[k]}; % endif + + % if op.name != "fquantize2f16" and type_base_type(output_type) == "float": + % if type_has_size(output_type): + if (nir_is_denorm_flush_to_zero(execution_mode, ${type_size(output_type)})) { + constant_denorm_flush_to_zero(&_dst_val[${k}], ${type_size(output_type)}); + } + % else: + if (nir_is_denorm_flush_to_zero(execution_mode, ${bit_size})) { + constant_denorm_flush_to_zero(&_dst_val[${k}], bit_size); + } + % endif + % endif % endfor % endif </%def> @@ -386,13 +431,14 @@ static void evaluate_${name}(nir_const_value *_dst_val, UNUSED unsigned num_components, ${"UNUSED" if op_bit_sizes(op) is None else ""} unsigned bit_size, - UNUSED nir_const_value **_src) + UNUSED nir_const_value **_src, + UNUSED unsigned execution_mode) { % if op_bit_sizes(op) is not None: switch (bit_size) { % for bit_size in op_bit_sizes(op): case ${bit_size}: { - ${evaluate_op(op, bit_size)} + ${evaluate_op(op, bit_size, execution_mode)} break; } % endfor @@ -401,7 +447,7 @@ evaluate_${name}(nir_const_value *_dst_val, unreachable("unknown bit width"); } % else: - ${evaluate_op(op, 0)} + ${evaluate_op(op, 0, execution_mode)} % endif } % endfor @@ -409,12 +455,13 @@ evaluate_${name}(nir_const_value *_dst_val, void nir_eval_const_opcode(nir_op op, nir_const_value *dest, unsigned num_components, unsigned bit_width, - nir_const_value **src) + nir_const_value **src, + unsigned float_controls_execution_mode) { switch (op) { % for name in sorted(opcodes.keys()): case nir_op_${name}: - evaluate_${name}(dest, num_components, bit_width, src); + evaluate_${name}(dest, num_components, bit_width, src, float_controls_execution_mode); return; % endfor default: @@ -425,6 +472,8 @@ nir_eval_const_opcode(nir_op op, nir_const_value *dest, from mako.template import Template print(Template(template).render(opcodes=opcodes, type_sizes=type_sizes, + type_base_type=type_base_type, + type_size=type_size, type_has_size=type_has_size, type_add_size=type_add_size, op_bit_sizes=op_bit_sizes, diff --git a/src/compiler/nir/nir_loop_analyze.c b/src/compiler/nir/nir_loop_analyze.c index 4689d2230af..c2473421215 100644 --- a/src/compiler/nir/nir_loop_analyze.c +++ b/src/compiler/nir/nir_loop_analyze.c @@ -589,29 +589,32 @@ try_find_limit_of_alu(nir_ssa_scalar limit, nir_const_value *limit_val, } static nir_const_value -eval_const_unop(nir_op op, unsigned bit_size, nir_const_value src0) +eval_const_unop(nir_op op, unsigned bit_size, nir_const_value src0, + unsigned execution_mode) { assert(nir_op_infos[op].num_inputs == 1); nir_const_value dest; nir_const_value *src[1] = { &src0 }; - nir_eval_const_opcode(op, &dest, 1, bit_size, src); + nir_eval_const_opcode(op, &dest, 1, bit_size, src, execution_mode); return dest; } static nir_const_value eval_const_binop(nir_op op, unsigned bit_size, - nir_const_value src0, nir_const_value src1) + nir_const_value src0, nir_const_value src1, + unsigned execution_mode) { assert(nir_op_infos[op].num_inputs == 2); nir_const_value dest; nir_const_value *src[2] = { &src0, &src1 }; - nir_eval_const_opcode(op, &dest, 1, bit_size, src); + nir_eval_const_opcode(op, &dest, 1, bit_size, src, execution_mode); return dest; } static int32_t get_iteration(nir_op cond_op, nir_const_value initial, nir_const_value step, - nir_const_value limit, unsigned bit_size) + nir_const_value limit, unsigned bit_size, + unsigned execution_mode) { nir_const_value span, iter; @@ -620,23 +623,29 @@ get_iteration(nir_op cond_op, nir_const_value initial, nir_const_value step, case nir_op_ilt: case nir_op_ieq: case nir_op_ine: - span = eval_const_binop(nir_op_isub, bit_size, limit, initial); - iter = eval_const_binop(nir_op_idiv, bit_size, span, step); + span = eval_const_binop(nir_op_isub, bit_size, limit, initial, + execution_mode); + iter = eval_const_binop(nir_op_idiv, bit_size, span, step, + execution_mode); break; case nir_op_uge: case nir_op_ult: - span = eval_const_binop(nir_op_isub, bit_size, limit, initial); - iter = eval_const_binop(nir_op_udiv, bit_size, span, step); + span = eval_const_binop(nir_op_isub, bit_size, limit, initial, + execution_mode); + iter = eval_const_binop(nir_op_udiv, bit_size, span, step, + execution_mode); break; case nir_op_fge: case nir_op_flt: case nir_op_feq: case nir_op_fne: - span = eval_const_binop(nir_op_fsub, bit_size, limit, initial); - iter = eval_const_binop(nir_op_fdiv, bit_size, span, step); - iter = eval_const_unop(nir_op_f2i64, bit_size, iter); + span = eval_const_binop(nir_op_fsub, bit_size, limit, initial, + execution_mode); + iter = eval_const_binop(nir_op_fdiv, bit_size, span, + step, execution_mode); + iter = eval_const_unop(nir_op_f2i64, bit_size, iter, execution_mode); break; default: @@ -654,7 +663,8 @@ will_break_on_first_iteration(nir_const_value step, nir_op cond_op, unsigned bit_size, nir_const_value initial, nir_const_value limit, - bool limit_rhs, bool invert_cond) + bool limit_rhs, bool invert_cond, + unsigned execution_mode) { if (trip_offset == 1) { nir_op add_op; @@ -670,7 +680,8 @@ will_break_on_first_iteration(nir_const_value step, unreachable("Unhandled induction variable base type!"); } - initial = eval_const_binop(add_op, bit_size, initial, step); + initial = eval_const_binop(add_op, bit_size, initial, step, + execution_mode); } nir_const_value *src[2]; @@ -679,7 +690,7 @@ will_break_on_first_iteration(nir_const_value step, /* Evaluate the loop exit condition */ nir_const_value result; - nir_eval_const_opcode(cond_op, &result, 1, bit_size, src); + nir_eval_const_opcode(cond_op, &result, 1, bit_size, src, execution_mode); return invert_cond ? !result.b : result.b; } @@ -688,7 +699,8 @@ static bool test_iterations(int32_t iter_int, nir_const_value step, nir_const_value limit, nir_op cond_op, unsigned bit_size, nir_alu_type induction_base_type, - nir_const_value initial, bool limit_rhs, bool invert_cond) + nir_const_value initial, bool limit_rhs, bool invert_cond, + unsigned execution_mode) { assert(nir_op_infos[cond_op].num_inputs == 2); @@ -715,11 +727,11 @@ test_iterations(int32_t iter_int, nir_const_value step, * step the induction variable each iteration. */ nir_const_value mul_result = - eval_const_binop(mul_op, bit_size, iter_src, step); + eval_const_binop(mul_op, bit_size, iter_src, step, execution_mode); /* Add the initial value to the accumulated induction variable total */ nir_const_value add_result = - eval_const_binop(add_op, bit_size, mul_result, initial); + eval_const_binop(add_op, bit_size, mul_result, initial, execution_mode); nir_const_value *src[2]; src[limit_rhs ? 0 : 1] = &add_result; @@ -727,7 +739,7 @@ test_iterations(int32_t iter_int, nir_const_value step, /* Evaluate the loop exit condition */ nir_const_value result; - nir_eval_const_opcode(cond_op, &result, 1, bit_size, src); + nir_eval_const_opcode(cond_op, &result, 1, bit_size, src, execution_mode); return invert_cond ? !result.b : result.b; } @@ -736,7 +748,7 @@ static int calculate_iterations(nir_const_value initial, nir_const_value step, nir_const_value limit, nir_alu_instr *alu, nir_ssa_scalar cond, nir_op alu_op, bool limit_rhs, - bool invert_cond) + bool invert_cond, unsigned execution_mode) { /* nir_op_isub should have been lowered away by this point */ assert(alu->op != nir_op_isub); @@ -786,11 +798,13 @@ calculate_iterations(nir_const_value initial, nir_const_value step, */ if (will_break_on_first_iteration(step, induction_base_type, trip_offset, alu_op, bit_size, initial, - limit, limit_rhs, invert_cond)) { + limit, limit_rhs, invert_cond, + execution_mode)) { return 0; } - int iter_int = get_iteration(alu_op, initial, step, limit, bit_size); + int iter_int = get_iteration(alu_op, initial, step, limit, bit_size, + execution_mode); /* If iter_int is negative the loop is ill-formed or is the conditional is * unsigned with a huge iteration count so don't bother going any further. @@ -812,7 +826,7 @@ calculate_iterations(nir_const_value initial, nir_const_value step, if (test_iterations(iter_bias, step, limit, alu_op, bit_size, induction_base_type, initial, - limit_rhs, invert_cond)) { + limit_rhs, invert_cond, execution_mode)) { return iter_bias > 0 ? iter_bias - trip_offset : iter_bias; } } @@ -950,7 +964,7 @@ try_find_trip_count_vars_in_iand(nir_ssa_scalar *cond, * loop. */ static void -find_trip_count(loop_info_state *state) +find_trip_count(loop_info_state *state, unsigned execution_mode) { bool trip_count_known = true; bool guessed_trip_count = false; @@ -1063,7 +1077,8 @@ find_trip_count(loop_info_state *state) int iterations = calculate_iterations(initial_val, step_val, limit_val, ind_var->alu, cond, alu_op, limit_rhs, - terminator->continue_from_then); + terminator->continue_from_then, + execution_mode); /* Where we not able to calculate the iteration count */ if (iterations == -1) { @@ -1203,7 +1218,7 @@ get_loop_info(loop_info_state *state, nir_function_impl *impl) return; /* Run through each of the terminators and try to compute a trip-count */ - find_trip_count(state); + find_trip_count(state, impl->function->shader->info.float_controls_execution_mode); nir_foreach_block_in_cf_node(block, &state->loop->cf_node) { if (force_unroll_heuristics(state, block)) { diff --git a/src/compiler/nir/nir_opt_constant_folding.c b/src/compiler/nir/nir_opt_constant_folding.c index 4123bc8af6d..80d9c613e5b 100644 --- a/src/compiler/nir/nir_opt_constant_folding.c +++ b/src/compiler/nir/nir_opt_constant_folding.c @@ -33,7 +33,7 @@ */ static bool -constant_fold_alu_instr(nir_alu_instr *instr, void *mem_ctx) +constant_fold_alu_instr(nir_alu_instr *instr, void *mem_ctx, unsigned execution_mode) { nir_const_value src[NIR_MAX_VEC_COMPONENTS][NIR_MAX_VEC_COMPONENTS]; @@ -88,7 +88,7 @@ constant_fold_alu_instr(nir_alu_instr *instr, void *mem_ctx) for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; ++i) srcs[i] = src[i]; nir_eval_const_opcode(instr->op, dest, instr->dest.dest.ssa.num_components, - bit_size, srcs); + bit_size, srcs, execution_mode); nir_load_const_instr *new_instr = nir_load_const_instr_create(mem_ctx, @@ -144,14 +144,14 @@ constant_fold_intrinsic_instr(nir_intrinsic_instr *instr) } static bool -constant_fold_block(nir_block *block, void *mem_ctx) +constant_fold_block(nir_block *block, void *mem_ctx, unsigned execution_mode) { bool progress = false; nir_foreach_instr_safe(instr, block) { switch (instr->type) { case nir_instr_type_alu: - progress |= constant_fold_alu_instr(nir_instr_as_alu(instr), mem_ctx); + progress |= constant_fold_alu_instr(nir_instr_as_alu(instr), mem_ctx, execution_mode); break; case nir_instr_type_intrinsic: progress |= @@ -167,13 +167,13 @@ constant_fold_block(nir_block *block, void *mem_ctx) } static bool -nir_opt_constant_folding_impl(nir_function_impl *impl) +nir_opt_constant_folding_impl(nir_function_impl *impl, unsigned execution_mode) { void *mem_ctx = ralloc_parent(impl); bool progress = false; nir_foreach_block(block, impl) { - progress |= constant_fold_block(block, mem_ctx); + progress |= constant_fold_block(block, mem_ctx, execution_mode); } if (progress) { @@ -192,10 +192,11 @@ bool nir_opt_constant_folding(nir_shader *shader) { bool progress = false; + unsigned execution_mode = shader->info.float_controls_execution_mode; nir_foreach_function(function, shader) { if (function->impl) - progress |= nir_opt_constant_folding_impl(function->impl); + progress |= nir_opt_constant_folding_impl(function->impl, execution_mode); } return progress; diff --git a/src/compiler/spirv/spirv_to_nir.c b/src/compiler/spirv/spirv_to_nir.c index f46b0a9bb02..54052062392 100644 --- a/src/compiler/spirv/spirv_to_nir.c +++ b/src/compiler/spirv/spirv_to_nir.c @@ -1896,7 +1896,9 @@ vtn_handle_constant(struct vtn_builder *b, SpvOp opcode, nir_const_value *srcs[3] = { src[0], src[1], src[2], }; - nir_eval_const_opcode(op, val->constant->values, num_components, bit_size, srcs); + nir_eval_const_opcode(op, val->constant->values, + num_components, bit_size, srcs, + b->shader->info.float_controls_execution_mode); break; } /* default */ } |