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glsl: Use saved values instead of recomputing them.

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Reviewed-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Matt Turner
2013-10-16 16:56:43 -07:00
parent 6aeb7514c3
commit 5b3aec412e
1 changed files with 4 additions and 8 deletions
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src/glsl/opt_algebraic.cpp
+4 -8
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@@ -257,11 +257,9 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
* folding.
*/
if (op_const[0] && !op_const[1])
reassociate_constant(ir, 0, op_const[0],
ir->operands[1]->as_expression());
reassociate_constant(ir, 0, op_const[0], op_expr[1]);
if (op_const[1] && !op_const[0])
reassociate_constant(ir, 1, op_const[1],
ir->operands[0]->as_expression());
reassociate_constant(ir, 1, op_const[1], op_expr[0]);
break;
case ir_binop_sub:
@@ -315,11 +313,9 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
* constant folding.
*/
if (op_const[0] && !op_const[1])
reassociate_constant(ir, 0, op_const[0],
ir->operands[1]->as_expression());
reassociate_constant(ir, 0, op_const[0], op_expr[1]);
if (op_const[1] && !op_const[0])
reassociate_constant(ir, 1, op_const[1],
ir->operands[0]->as_expression());
reassociate_constant(ir, 1, op_const[1], op_expr[0]);
break;