From: Matt Turner Date: Wed, 27 Nov 2013 22:23:50 +0000 (-0800) Subject: glsl: Remove silly OR(..., 0x0) from ldexp() lowering. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d79e7117183e484f0f017f16bbf24b861ad5bcb7;p=mesa.git glsl: Remove silly OR(..., 0x0) from ldexp() lowering. I translated copysign(0.0f, x) a little too literally. Reviewed-by: Eric Anholt --- diff --git a/src/glsl/lower_instructions.cpp b/src/glsl/lower_instructions.cpp index d01879cbd4f..8f8d448ea65 100644 --- a/src/glsl/lower_instructions.cpp +++ b/src/glsl/lower_instructions.cpp @@ -383,7 +383,6 @@ lower_instructions_visitor::ldexp_to_arith(ir_expression *ir) /* Constants */ ir_constant *zeroi = ir_constant::zero(ir, ivec); - ir_constant *zerof = ir_constant::zero(ir, ir->type); ir_constant *sign_mantissa_mask = new(ir) ir_constant(0x807fffffu, vec_elem); ir_constant *sign_mask = new(ir) ir_constant(0x80000000u, vec_elem); @@ -429,8 +428,7 @@ lower_instructions_visitor::ldexp_to_arith(ir_expression *ir) */ i.insert_before(zero_sign_x); i.insert_before(assign(zero_sign_x, - bitcast_u2f(bit_or(bit_and(bitcast_f2u(x), sign_mask), - bitcast_f2u(zerof))))); + bitcast_u2f(bit_and(bitcast_f2u(x), sign_mask)))); i.insert_before(is_not_zero_or_underflow); i.insert_before(assign(is_not_zero_or_underflow,