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| author | Matt Turner <mattst88@gmail.com> | 2013-11-27 14:23:50 -0800 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2013-12-04 20:05:42 -0800 |
| commit | d79e7117183e484f0f017f16bbf24b861ad5bcb7 (patch) | |
| tree | fd7daad3db580ddf2b7b27ff142db61a908e7004 /src/glsl/lower_instructions.cpp | |
| parent | b1eb2ad8d159748034e7befc22b46a0b3b040186 (diff) | |
| download | external_mesa3d-d79e7117183e484f0f017f16bbf24b861ad5bcb7.zip external_mesa3d-d79e7117183e484f0f017f16bbf24b861ad5bcb7.tar.gz external_mesa3d-d79e7117183e484f0f017f16bbf24b861ad5bcb7.tar.bz2 | |
glsl: Remove silly OR(..., 0x0) from ldexp() lowering.
I translated copysign(0.0f, x) a little too literally.
Reviewed-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'src/glsl/lower_instructions.cpp')
| -rw-r--r-- | src/glsl/lower_instructions.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/src/glsl/lower_instructions.cpp b/src/glsl/lower_instructions.cpp index d01879c..8f8d448 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, |