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ir_to_mesa: Restrict dst writemasks like we did in the monoburg setup.

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Eric Anholt 2010-06-03 09:17:54 -07:00
parent 9d2b8e0b70
commit 9cd8cad9f3
1 changed files with 6 additions and 1 deletions
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7
ir_to_mesa.cpp
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@ -371,9 +371,14 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
/* Storage for our result. Ideally for an assignment we'd be using
* the actual storage for the result here, instead.
*/
result_src = get_temp(4);
result_src = get_temp(ir->type->vector_elements);
/* convenience for the emit functions below. */
result_dst = ir_to_mesa_dst_reg_from_src(result_src);
/* Limit writes to the channels that will be used by result_src later.
* This does limit this temp's use as a temporary for multi-instruction
* sequences.
*/
result_dst.writemask = (1 << ir->type->vector_elements) - 1;
switch (ir->operation) {
case ir_unop_logic_not: