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-rw-r--r--src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp18
1 files changed, 15 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index d0587cd5f62..b46879b7beb 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -1277,6 +1277,20 @@ vec4_visitor::visit(ir_expression *ir)
dst_reg result_dst(this, ir->type);
src_reg result_src(result_dst);
+ if (ir->operation == ir_triop_csel) {
+ ir->operands[1]->accept(this);
+ op[1] = this->result;
+ ir->operands[2]->accept(this);
+ op[2] = this->result;
+
+ enum brw_predicate predicate;
+ emit_bool_to_cond_code(ir->operands[0], &predicate);
+ inst = emit(BRW_OPCODE_SEL, result_dst, op[1], op[2]);
+ inst->predicate = predicate;
+ this->result = result_src;
+ return;
+ }
+
for (operand = 0; operand < ir->get_num_operands(); operand++) {
this->result.file = BAD_FILE;
ir->operands[operand]->accept(this);
@@ -1780,9 +1794,7 @@ vec4_visitor::visit(ir_expression *ir)
break;
case ir_triop_csel:
- emit(CMP(dst_null_d(), op[0], src_reg(0), BRW_CONDITIONAL_NZ));
- inst = emit(BRW_OPCODE_SEL, result_dst, op[1], op[2]);
- inst->predicate = BRW_PREDICATE_NORMAL;
+ unreachable("already handled above");
break;
case ir_triop_bfi: