From 69ad5fd4ce33aeab73d9eb546072d77e73e3a730 Mon Sep 17 00:00:00 2001 From: Matt Turner Date: Fri, 30 Jan 2015 13:42:19 -0800 Subject: glsl: Optimize (f2i(trunc x)) into (f2i x). total instructions in shared programs: 5950326 -> 5949286 (-0.02%) instructions in affected programs: 88264 -> 87224 (-1.18%) helped: 692 --- src/glsl/opt_algebraic.cpp | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'src/glsl') diff --git a/src/glsl/opt_algebraic.cpp b/src/glsl/opt_algebraic.cpp index 588228c9ec2..7bc65daf5c6 100644 --- a/src/glsl/opt_algebraic.cpp +++ b/src/glsl/opt_algebraic.cpp @@ -376,6 +376,15 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir) } break; + case ir_unop_f2i: + case ir_unop_f2u: + if (op_expr[0] && op_expr[0]->operation == ir_unop_trunc) { + return new(mem_ctx) ir_expression(ir->operation, + ir->type, + op_expr[0]->operands[0]); + } + break; + case ir_unop_logic_not: { enum ir_expression_operation new_op = ir_unop_logic_not; -- cgit v1.2.3