switch (expr->operation) {
case ir_unop_logic_not:
- inst = emit(BRW_OPCODE_IF, temp, op[0], fs_reg(0));
- inst->conditional_mod = BRW_CONDITIONAL_Z;
- return;
-
case ir_binop_logic_xor:
- inst = emit(BRW_OPCODE_IF, reg_null_d, op[0], op[1]);
- inst->conditional_mod = BRW_CONDITIONAL_NZ;
- return;
-
case ir_binop_logic_or:
- temp = fs_reg(this, glsl_type::bool_type);
- emit(BRW_OPCODE_OR, temp, op[0], op[1]);
- inst = emit(BRW_OPCODE_IF, reg_null_d, temp, fs_reg(0));
- inst->conditional_mod = BRW_CONDITIONAL_NZ;
- return;
-
case ir_binop_logic_and:
- temp = fs_reg(this, glsl_type::bool_type);
- emit(BRW_OPCODE_AND, temp, op[0], op[1]);
- inst = emit(BRW_OPCODE_IF, reg_null_d, temp, fs_reg(0));
- inst->conditional_mod = BRW_CONDITIONAL_NZ;
- return;
+ /* For operations on bool arguments, only the low bit of the bool is
+ * valid, and the others are undefined. Fall back to the condition
+ * code path.
+ */
+ break;
case ir_unop_f2b:
inst = emit(BRW_OPCODE_IF, reg_null_f, op[0], fs_reg(0));
case ir_binop_all_equal:
case ir_binop_nequal:
case ir_binop_any_nequal:
+ resolve_bool_comparison(expr->operands[0], &op[0]);
+ resolve_bool_comparison(expr->operands[1], &op[1]);
+
inst = emit(BRW_OPCODE_IF, reg_null_d, op[0], op[1]);
inst->conditional_mod =
brw_conditional_for_comparison(expr->operation);
fail("bad condition\n");
return;
}
- return;
}
- ir->condition->accept(this);
-
- fs_inst *inst = emit(BRW_OPCODE_IF, reg_null_d, this->result, fs_reg(0));
- inst->conditional_mod = BRW_CONDITIONAL_NZ;
+ emit_bool_to_cond_code(ir->condition);
+ fs_inst *inst = emit(BRW_OPCODE_IF);
+ inst->predicated = true;
}
void