From: "\"Ian Romanick\"" <i...@freedesktop.org> From: Ian Romanick <ian.d.roman...@intel.com>
Signed-off-by: Ian Romanick <ian.d.roman...@intel.com> --- src/compiler/glsl/glsl_to_nir.cpp | 16 ++------------ src/compiler/glsl/ir.cpp | 5 ++--- src/compiler/glsl/ir.h | 6 ------ .../glsl/ir_builder_print_visitor.cpp | 4 ---- src/compiler/glsl/ir_clone.cpp | 2 -- src/compiler/glsl/ir_constant_expression.cpp | 12 +---------- src/compiler/glsl/ir_hv_accept.cpp | 3 --- src/compiler/glsl/ir_print_visitor.cpp | 3 --- src/compiler/glsl/ir_rvalue_visitor.cpp | 2 -- src/compiler/glsl/loop_analysis.cpp | 3 +-- src/compiler/glsl/loop_controls.cpp | 2 +- src/compiler/glsl/lower_distance.cpp | 2 +- .../lower_variable_index_to_cond_assign.cpp | 17 +-------------- .../glsl/lower_vec_index_to_cond_assign.cpp | 4 ---- src/compiler/glsl/opt_array_splitting.cpp | 7 ------- src/compiler/glsl/opt_constant_folding.cpp | 17 --------------- .../glsl/opt_constant_propagation.cpp | 3 --- src/compiler/glsl/opt_constant_variable.cpp | 3 --- src/compiler/glsl/opt_copy_propagation.cpp | 3 --- .../glsl/opt_copy_propagation_elements.cpp | 3 --- .../glsl/opt_dead_builtin_varyings.cpp | 1 - src/compiler/glsl/opt_dead_code_local.cpp | 21 +++++++------------ src/compiler/glsl/opt_structure_splitting.cpp | 7 ++----- src/compiler/glsl/opt_tree_grafting.cpp | 3 +-- src/compiler/glsl/opt_vectorize.cpp | 3 +-- src/mesa/program/ir_to_mesa.cpp | 16 -------------- src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 17 ++++++--------- 27 files changed, 26 insertions(+), 159 deletions(-) diff --git a/src/compiler/glsl/glsl_to_nir.cpp b/src/compiler/glsl/glsl_to_nir.cpp index 99df6e0..57b832f 100644 --- a/src/compiler/glsl/glsl_to_nir.cpp +++ b/src/compiler/glsl/glsl_to_nir.cpp @@ -1253,13 +1253,7 @@ nir_visitor::visit(ir_assignment *ir) copy->variables[0] = evaluate_deref(©->instr, ir->lhs); copy->variables[1] = evaluate_deref(©->instr, ir->rhs); - if (ir->condition) { - nir_push_if(&b, evaluate_rvalue(ir->condition)); - nir_builder_instr_insert(&b, ©->instr); - nir_pop_if(&b, NULL); - } else { - nir_builder_instr_insert(&b, ©->instr); - } + nir_builder_instr_insert(&b, ©->instr); return; } @@ -1290,13 +1284,7 @@ nir_visitor::visit(ir_assignment *ir) store->variables[0] = nir_deref_var_clone(lhs_deref, store); store->src[0] = nir_src_for_ssa(src); - if (ir->condition) { - nir_push_if(&b, evaluate_rvalue(ir->condition)); - nir_builder_instr_insert(&b, &store->instr); - nir_pop_if(&b, NULL); - } else { - nir_builder_instr_insert(&b, &store->instr); - } + nir_builder_instr_insert(&b, &store->instr); } /* diff --git a/src/compiler/glsl/ir.cpp b/src/compiler/glsl/ir.cpp index 4cf322d..52f9133 100644 --- a/src/compiler/glsl/ir.cpp +++ b/src/compiler/glsl/ir.cpp @@ -151,7 +151,7 @@ ir_assignment::whole_variable_written() ir_assignment::ir_assignment(ir_dereference *lhs, ir_rvalue *rhs, unsigned write_mask) : ir_instruction(ir_type_assignment), lhs(lhs), rhs(rhs), - condition(NULL), write_mask(write_mask) + write_mask(write_mask) { if (lhs->type->is_scalar() || lhs->type->is_vector()) { int lhs_components = 0; @@ -165,8 +165,7 @@ ir_assignment::ir_assignment(ir_dereference *lhs, ir_rvalue *rhs, } ir_assignment::ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs) - : ir_instruction(ir_type_assignment), lhs(NULL), rhs(rhs), - condition(NULL), write_mask(0) + : ir_instruction(ir_type_assignment), lhs(NULL), rhs(rhs), write_mask(0) { /* If the RHS is a vector type, assume that all components of the vector * type are being written to the LHS. The write mask comes from the RHS diff --git a/src/compiler/glsl/ir.h b/src/compiler/glsl/ir.h index 28a356a..d7f8630 100644 --- a/src/compiler/glsl/ir.h +++ b/src/compiler/glsl/ir.h @@ -1475,12 +1475,6 @@ public: ir_rvalue *rhs; /** - * Optional condition for the assignment. - */ - ir_rvalue *condition; - - - /** * Component mask written * * For non-vector types in the LHS, this field will be zero. For vector diff --git a/src/compiler/glsl/ir_builder_print_visitor.cpp b/src/compiler/glsl/ir_builder_print_visitor.cpp index 3e30c5d..1f29562 100644 --- a/src/compiler/glsl/ir_builder_print_visitor.cpp +++ b/src/compiler/glsl/ir_builder_print_visitor.cpp @@ -503,8 +503,6 @@ ir_builder_print_visitor::visit_enter(ir_assignment *ir) if (s != visit_continue) return (s == visit_continue_with_parent) ? visit_continue : s; - assert(ir->condition == NULL); - const struct hash_entry *const he_lhs = _mesa_hash_table_search(index_map, ir->lhs); @@ -525,8 +523,6 @@ ir_builder_print_visitor::visit_leave(ir_assignment *ir) const struct hash_entry *const he_rhs = _mesa_hash_table_search(index_map, ir->rhs); - assert(ir->condition == NULL); - print_with_indent("body.emit(assign(r%04X, r%04X, 0x%02x));\n\n", (unsigned)(uintptr_t) he_lhs->data, (unsigned)(uintptr_t) he_rhs->data, diff --git a/src/compiler/glsl/ir_clone.cpp b/src/compiler/glsl/ir_clone.cpp index 4cea988..e08f0c8 100644 --- a/src/compiler/glsl/ir_clone.cpp +++ b/src/compiler/glsl/ir_clone.cpp @@ -251,8 +251,6 @@ ir_texture::clone(void *mem_ctx, struct hash_table *ht) const ir_assignment * ir_assignment::clone(void *mem_ctx, struct hash_table *ht) const { - assert(this->condition == NULL); - ir_assignment *cloned = new(mem_ctx) ir_assignment(this->lhs->clone(mem_ctx, ht), this->rhs->clone(mem_ctx, ht)); diff --git a/src/compiler/glsl/ir_constant_expression.cpp b/src/compiler/glsl/ir_constant_expression.cpp index fe9bd1d..fd0c520 100644 --- a/src/compiler/glsl/ir_constant_expression.cpp +++ b/src/compiler/glsl/ir_constant_expression.cpp @@ -890,19 +890,9 @@ bool ir_function_signature::constant_expression_evaluate_expression_list(void *m break; } - /* (assign [condition] (write-mask) (ref) (value)) */ + /* (assign (write-mask) (ref) (value)) */ case ir_type_assignment: { ir_assignment *asg = inst->as_assignment(); - if (asg->condition) { - ir_constant *cond = - asg->condition->constant_expression_value(mem_ctx, - variable_context); - if (!cond) - return false; - if (!cond->get_bool_component(0)) - break; - } - ir_constant *store = NULL; int offset = 0; diff --git a/src/compiler/glsl/ir_hv_accept.cpp b/src/compiler/glsl/ir_hv_accept.cpp index bf3f3d4..52abedf 100644 --- a/src/compiler/glsl/ir_hv_accept.cpp +++ b/src/compiler/glsl/ir_hv_accept.cpp @@ -305,9 +305,6 @@ ir_assignment::accept(ir_hierarchical_visitor *v) if (s != visit_continue) return (s == visit_continue_with_parent) ? visit_continue : s; - if (this->condition) - s = this->condition->accept(v); - return (s == visit_stop) ? s : v->visit_leave(this); } diff --git a/src/compiler/glsl/ir_print_visitor.cpp b/src/compiler/glsl/ir_print_visitor.cpp index ea14cde..33684d0 100644 --- a/src/compiler/glsl/ir_print_visitor.cpp +++ b/src/compiler/glsl/ir_print_visitor.cpp @@ -434,9 +434,6 @@ void ir_print_visitor::visit(ir_assignment *ir) { fprintf(f, "(assign "); - if (ir->condition) - ir->condition->accept(this); - char mask[5]; unsigned j = 0; diff --git a/src/compiler/glsl/ir_rvalue_visitor.cpp b/src/compiler/glsl/ir_rvalue_visitor.cpp index 72dd620..4096584 100644 --- a/src/compiler/glsl/ir_rvalue_visitor.cpp +++ b/src/compiler/glsl/ir_rvalue_visitor.cpp @@ -117,8 +117,6 @@ ir_visitor_status ir_rvalue_base_visitor::rvalue_visit(ir_assignment *ir) { handle_rvalue(&ir->rhs); - handle_rvalue(&ir->condition); - return visit_continue; } diff --git a/src/compiler/glsl/loop_analysis.cpp b/src/compiler/glsl/loop_analysis.cpp index b9bae43..83b517f 100644 --- a/src/compiler/glsl/loop_analysis.cpp +++ b/src/compiler/glsl/loop_analysis.cpp @@ -52,8 +52,7 @@ loop_variable::record_reference(bool in_assignee, if (in_assignee) { assert(current_assignment != NULL); - if (in_conditional_code_or_nested_loop || - current_assignment->condition != NULL) { + if (in_conditional_code_or_nested_loop) { this->conditional_or_nested_assignment = true; } diff --git a/src/compiler/glsl/loop_controls.cpp b/src/compiler/glsl/loop_controls.cpp index 895954f..d7d354c 100644 --- a/src/compiler/glsl/loop_controls.cpp +++ b/src/compiler/glsl/loop_controls.cpp @@ -67,7 +67,7 @@ find_initial_value(ir_loop *loop, ir_variable *var) ir_variable *assignee = assign->lhs->whole_variable_referenced(); if (assignee == var) - return (assign->condition != NULL) ? NULL : assign->rhs; + return assign->rhs; break; } diff --git a/src/compiler/glsl/lower_distance.cpp b/src/compiler/glsl/lower_distance.cpp index 530f79d..31ce193 100644 --- a/src/compiler/glsl/lower_distance.cpp +++ b/src/compiler/glsl/lower_distance.cpp @@ -436,7 +436,7 @@ ir_visitor_status lower_distance_visitor::visit_leave(ir_assignment *ir) { /* First invoke the base class visitor. This causes handle_rvalue() to be - * called on ir->rhs and ir->condition. + * called on ir->rhs. */ ir_rvalue_visitor::visit_leave(ir); diff --git a/src/compiler/glsl/lower_variable_index_to_cond_assign.cpp b/src/compiler/glsl/lower_variable_index_to_cond_assign.cpp index bfe6242..aab93aa 100644 --- a/src/compiler/glsl/lower_variable_index_to_cond_assign.cpp +++ b/src/compiler/glsl/lower_variable_index_to_cond_assign.cpp @@ -478,22 +478,7 @@ public: switch_generator sg(ag, index, 4, 4); - /* If the original assignment has a condition, respect that original - * condition! This is acomplished by wrapping the new conditional - * assignments in an if-statement that uses the original condition. - */ - if (orig_assign != NULL && orig_assign->condition != NULL) { - /* No need to clone the condition because the IR that it hangs on is - * going to be removed from the instruction sequence. - */ - ir_if *if_stmt = new(mem_ctx) ir_if(orig_assign->condition); - ir_factory then_body(&if_stmt->then_instructions, body.mem_ctx); - - sg.generate(0, length, then_body); - body.emit(if_stmt); - } else { - sg.generate(0, length, body); - } + sg.generate(0, length, body); base_ir->insert_before(&list); return var; diff --git a/src/compiler/glsl/lower_vec_index_to_cond_assign.cpp b/src/compiler/glsl/lower_vec_index_to_cond_assign.cpp index 8b71f96..a5bcb07 100644 --- a/src/compiler/glsl/lower_vec_index_to_cond_assign.cpp +++ b/src/compiler/glsl/lower_vec_index_to_cond_assign.cpp @@ -185,10 +185,6 @@ ir_visitor_status ir_vec_index_to_cond_assign_visitor::visit_leave(ir_assignment *ir) { ir->rhs = convert_vector_extract_to_cond_assign(ir->rhs); - - if (ir->condition) - ir->condition = convert_vector_extract_to_cond_assign(ir->condition); - return visit_continue; } diff --git a/src/compiler/glsl/opt_array_splitting.cpp b/src/compiler/glsl/opt_array_splitting.cpp index 110fccb..a948588 100644 --- a/src/compiler/glsl/opt_array_splitting.cpp +++ b/src/compiler/glsl/opt_array_splitting.cpp @@ -416,8 +416,6 @@ ir_array_splitting_visitor::visit_leave(ir_assignment *ir) new(mem_ctx) ir_dereference_array(ir->rhs->clone(mem_ctx, NULL), new(mem_ctx) ir_constant(i)); - assert(ir->condition == NULL); - ir_assignment *assign_i = new(mem_ctx) ir_assignment(lhs_i, rhs_i); ir->insert_before(assign_i); @@ -435,11 +433,6 @@ ir_array_splitting_visitor::visit_leave(ir_assignment *ir) handle_rvalue(&ir->rhs); ir->rhs->accept(this); - if (ir->condition) { - handle_rvalue(&ir->condition); - ir->condition->accept(this); - } - return visit_continue; } diff --git a/src/compiler/glsl/opt_constant_folding.cpp b/src/compiler/glsl/opt_constant_folding.cpp index 3b9394d..bcf88b5 100644 --- a/src/compiler/glsl/opt_constant_folding.cpp +++ b/src/compiler/glsl/opt_constant_folding.cpp @@ -145,23 +145,6 @@ ir_constant_folding_visitor::visit_enter(ir_assignment *ir) ir->rhs->accept(this); handle_rvalue(&ir->rhs); - if (ir->condition) { - ir->condition->accept(this); - handle_rvalue(&ir->condition); - - ir_constant *const_val = ir->condition->as_constant(); - /* If the condition is constant, either remove the condition or - * remove the never-executed assignment. - */ - if (const_val) { - if (const_val->value.b[0]) - ir->condition = NULL; - else - ir->remove(); - this->progress = true; - } - } - /* Don't descend into the LHS because we want it to stay as a * variable dereference. FINISHME: We probably should to get array * indices though. diff --git a/src/compiler/glsl/opt_constant_propagation.cpp b/src/compiler/glsl/opt_constant_propagation.cpp index 05dc71e..6913d03 100644 --- a/src/compiler/glsl/opt_constant_propagation.cpp +++ b/src/compiler/glsl/opt_constant_propagation.cpp @@ -481,9 +481,6 @@ ir_constant_propagation_visitor::add_constant(ir_assignment *ir) { acp_entry *entry; - if (ir->condition) - return; - if (!ir->write_mask) return; diff --git a/src/compiler/glsl/opt_constant_variable.cpp b/src/compiler/glsl/opt_constant_variable.cpp index 914b460..30fdc00 100644 --- a/src/compiler/glsl/opt_constant_variable.cpp +++ b/src/compiler/glsl/opt_constant_variable.cpp @@ -116,9 +116,6 @@ ir_constant_variable_visitor::visit_enter(ir_assignment *ir) /* OK, now find if we actually have all the right conditions for * this to be a constant value assigned to the var. */ - if (ir->condition) - return visit_continue; - ir_variable *var = ir->whole_variable_written(); if (!var) return visit_continue; diff --git a/src/compiler/glsl/opt_copy_propagation.cpp b/src/compiler/glsl/opt_copy_propagation.cpp index b8ef0de0..301a2af 100644 --- a/src/compiler/glsl/opt_copy_propagation.cpp +++ b/src/compiler/glsl/opt_copy_propagation.cpp @@ -342,9 +342,6 @@ ir_copy_propagation_visitor::kill(ir_variable *var) void ir_copy_propagation_visitor::add_copy(ir_assignment *ir) { - if (ir->condition) - return; - ir_variable *lhs_var = ir->whole_variable_written(); ir_variable *rhs_var = ir->rhs->whole_variable_referenced(); diff --git a/src/compiler/glsl/opt_copy_propagation_elements.cpp b/src/compiler/glsl/opt_copy_propagation_elements.cpp index 9f79fa9..a687c4e 100644 --- a/src/compiler/glsl/opt_copy_propagation_elements.cpp +++ b/src/compiler/glsl/opt_copy_propagation_elements.cpp @@ -546,9 +546,6 @@ ir_copy_propagation_elements_visitor::add_copy(ir_assignment *ir) int orig_swizzle[4] = {0, 1, 2, 3}; int swizzle[4]; - if (ir->condition) - return; - ir_dereference_variable *lhs = ir->lhs->as_dereference_variable(); if (!lhs || !(lhs->type->is_scalar() || lhs->type->is_vector())) return; diff --git a/src/compiler/glsl/opt_dead_builtin_varyings.cpp b/src/compiler/glsl/opt_dead_builtin_varyings.cpp index 4526f2b..d0b57da 100644 --- a/src/compiler/glsl/opt_dead_builtin_varyings.cpp +++ b/src/compiler/glsl/opt_dead_builtin_varyings.cpp @@ -487,7 +487,6 @@ public: virtual ir_visitor_status visit_leave(ir_assignment *ir) { handle_rvalue(&ir->rhs); - handle_rvalue(&ir->condition); /* We have to use set_lhs when changing the LHS of an assignment. */ ir_rvalue *lhs = ir->lhs; diff --git a/src/compiler/glsl/opt_dead_code_local.cpp b/src/compiler/glsl/opt_dead_code_local.cpp index 3cbc441..1de281a 100644 --- a/src/compiler/glsl/opt_dead_code_local.cpp +++ b/src/compiler/glsl/opt_dead_code_local.cpp @@ -173,22 +173,17 @@ process_assignment(void *lin_ctx, ir_assignment *ir, exec_list *assignments) bool progress = false; kill_for_derefs_visitor v(assignments); - if (ir->condition == NULL) { - /* If this is an assignment of the form "foo = foo;", remove the whole - * instruction and be done with it. - */ - const ir_variable *const lhs_var = ir->whole_variable_written(); - if (lhs_var != NULL && lhs_var == ir->rhs->whole_variable_referenced()) { - ir->remove(); - return true; - } + /* If this is an assignment of the form "foo = foo;", remove the whole + * instruction and be done with it. + */ + const ir_variable *const lhs_var = ir->whole_variable_written(); + if (lhs_var != NULL && lhs_var == ir->rhs->whole_variable_referenced()) { + ir->remove(); + return true; } /* Kill assignment entries for things used to produce this assignment. */ ir->rhs->accept(&v); - if (ir->condition) { - ir->condition->accept(&v); - } /* Kill assignment enties used as array indices. */ @@ -197,7 +192,6 @@ process_assignment(void *lin_ctx, ir_assignment *ir, exec_list *assignments) assert(var); /* Now, check if we did a whole-variable assignment. */ - if (!ir->condition) { ir_dereference_variable *deref_var = ir->lhs->as_dereference_variable(); /* If it's a vector type, we can do per-channel elimination of @@ -285,7 +279,6 @@ process_assignment(void *lin_ctx, ir_assignment *ir, exec_list *assignments) } } } - } /* Add this instruction to the assignment list available to be removed. */ assignment_entry *entry = new(lin_ctx) assignment_entry(var, ir); diff --git a/src/compiler/glsl/opt_structure_splitting.cpp b/src/compiler/glsl/opt_structure_splitting.cpp index f7562df..5dc90e1 100644 --- a/src/compiler/glsl/opt_structure_splitting.cpp +++ b/src/compiler/glsl/opt_structure_splitting.cpp @@ -160,8 +160,7 @@ ir_structure_reference_visitor::visit_enter(ir_assignment *ir) return visit_continue_with_parent; if (ir->lhs->as_dereference_variable() && - ir->rhs->as_dereference_variable() && - !ir->condition) { + ir->rhs->as_dereference_variable()) { /* We'll split copies of a structure to copies of components, so don't * descend to the ir_dereference_variables. */ @@ -264,7 +263,7 @@ ir_structure_splitting_visitor::visit_leave(ir_assignment *ir) variable_entry *rhs_entry = rhs_deref ? get_splitting_entry(rhs_deref->var) : NULL; const glsl_type *type = ir->rhs->type; - if ((lhs_entry || rhs_entry) && !ir->condition) { + if (lhs_entry || rhs_entry) { for (unsigned int i = 0; i < type->length; i++) { ir_dereference *new_lhs, *new_rhs; void *mem_ctx = lhs_entry ? lhs_entry->mem_ctx : rhs_entry->mem_ctx; @@ -293,8 +292,6 @@ ir_structure_splitting_visitor::visit_leave(ir_assignment *ir) split_deref(&ir->lhs); } - handle_rvalue(&ir->condition); - return visit_continue; } diff --git a/src/compiler/glsl/opt_tree_grafting.cpp b/src/compiler/glsl/opt_tree_grafting.cpp index 6b5d93a..1c64f24 100644 --- a/src/compiler/glsl/opt_tree_grafting.cpp +++ b/src/compiler/glsl/opt_tree_grafting.cpp @@ -177,8 +177,7 @@ ir_tree_grafting_visitor::check_graft(ir_instruction *ir, ir_variable *var) ir_visitor_status ir_tree_grafting_visitor::visit_leave(ir_assignment *ir) { - if (do_graft(&ir->rhs) || - do_graft(&ir->condition)) + if (do_graft(&ir->rhs)) return visit_stop; /* If this assignment updates a variable used in the assignment diff --git a/src/compiler/glsl/opt_vectorize.cpp b/src/compiler/glsl/opt_vectorize.cpp index 88318cd..e2cda8a 100644 --- a/src/compiler/glsl/opt_vectorize.cpp +++ b/src/compiler/glsl/opt_vectorize.cpp @@ -257,8 +257,7 @@ ir_vectorize_visitor::visit_enter(ir_assignment *ir) ir_rvalue *rhs = this->last_assignment != NULL ? this->last_assignment->rhs : NULL; - if (ir->condition || - this->channels >= 4 || + if (this->channels >= 4 || !single_channel_write_mask(ir->write_mask) || this->assignment[write_mask_to_swizzle(ir->write_mask)] != NULL || (lhs && !ir->lhs->equals(lhs)) || diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp index 03d615f..db9eacf 100644 --- a/src/mesa/program/ir_to_mesa.cpp +++ b/src/mesa/program/ir_to_mesa.cpp @@ -1871,27 +1871,11 @@ ir_to_mesa_visitor::visit(ir_assignment *ir) assert(l.file != PROGRAM_UNDEFINED); assert(r.file != PROGRAM_UNDEFINED); - if (ir->condition) { - const bool switch_order = this->process_move_condition(ir->condition); - src_reg condition = this->result; - - for (i = 0; i < type_size(ir->lhs->type); i++) { - if (switch_order) { - emit(ir, OPCODE_CMP, l, condition, src_reg(l), r); - } else { - emit(ir, OPCODE_CMP, l, condition, r, src_reg(l)); - } - - l.index++; - r.index++; - } - } else { for (i = 0; i < type_size(ir->lhs->type); i++) { emit(ir, OPCODE_MOV, l, r); l.index++; r.index++; } - } } diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index b49590b..b32e7b7 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -2996,17 +2996,12 @@ glsl_to_tgsi_visitor::visit(ir_assignment *ir) assert(l.file != PROGRAM_UNDEFINED); assert(r.file != PROGRAM_UNDEFINED); - if (ir->condition) { - const bool switch_order = this->process_move_condition(ir->condition); - st_src_reg condition = this->result; - - emit_block_mov(ir, ir->lhs->type, &l, &r, &condition, switch_order); - } else if (ir->rhs->as_expression() && - this->instructions.get_tail() && - ir->rhs == ((glsl_to_tgsi_instruction *)this->instructions.get_tail())->ir && - !((glsl_to_tgsi_instruction *)this->instructions.get_tail())->is_64bit_expanded && - type_size(ir->lhs->type) == 1 && - l.writemask == ((glsl_to_tgsi_instruction *)this->instructions.get_tail())->dst[0].writemask) { + if (ir->rhs->as_expression() && + this->instructions.get_tail() && + ir->rhs == ((glsl_to_tgsi_instruction *)this->instructions.get_tail())->ir && + !((glsl_to_tgsi_instruction *)this->instructions.get_tail())->is_64bit_expanded && + type_size(ir->lhs->type) == 1 && + l.writemask == ((glsl_to_tgsi_instruction *)this->instructions.get_tail())->dst[0].writemask) { /* To avoid emitting an extra MOV when assigning an expression to a * variable, emit the last instruction of the expression again, but * replace the destination register with the target of the assignment. -- 2.9.5 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev