Module: Mesa Branch: master Commit: 2c2aa353366c610382273bea10656e6d6960ce3b URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=2c2aa353366c610382273bea10656e6d6960ce3b
Author: Eric Anholt <e...@anholt.net> Date: Sat Jan 18 10:36:28 2014 -0800 glsl: Optimize ~~x into x. v2: Fix pasteo of an extra abs being inserted (caught by many). Rewrite to drop the silly switch statement. Reviewed-by: Matt Turner <matts...@gmail.com> (v1) --- src/glsl/opt_algebraic.cpp | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index d1f6435..681973d 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -218,6 +218,11 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) this->mem_ctx = ralloc_parent(ir); switch (ir->operation) { + case ir_unop_bit_not: + if (op_expr[0] && op_expr[0]->operation == ir_unop_bit_not) + return op_expr[0]->operands[0]; + break; + case ir_unop_abs: if (op_expr[0] == NULL) break; _______________________________________________ mesa-commit mailing list mesa-commit@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-commit