diff options
| author | Matt Turner <[email protected]> | 2015-03-17 23:28:27 -0700 |
|---|---|---|
| committer | Matt Turner <[email protected]> | 2015-03-24 14:43:37 -0700 |
| commit | c8e8f660365515560af029651e593f7ee700401c (patch) | |
| tree | 6000a3fc9cc44e589a13c889f4891d0984020113 /src/glsl/opt_algebraic.cpp | |
| parent | 95729d2458515788ed84c81698033b8ef170bd4e (diff) | |
glsl: Recognize mul(b2f(a), b2f(b)) as a logical AND.
Transform this into b2f(and(a, b)).
total instructions in shared programs: 6190291 -> 6189225 (-0.02%)
instructions in affected programs: 267247 -> 266181 (-0.40%)
helped: 866
Reviewed-by: Ian Romanick <[email protected]>
Diffstat (limited to 'src/glsl/opt_algebraic.cpp')
| -rw-r--r-- | src/glsl/opt_algebraic.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index 69c03ea8be7..0d1f3fcf52c 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -518,6 +518,10 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) if (is_vec_negative_one(op_const[1])) return neg(ir->operands[0]); + if (op_expr[0] && op_expr[0]->operation == ir_unop_b2f && + op_expr[1] && op_expr[1]->operation == ir_unop_b2f) { + return b2f(logic_and(op_expr[0]->operands[0], op_expr[1]->operands[0])); + } /* Reassociate multiplication of constants so that we can do * constant folding. |