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nir/spirv/glsl450: Use fabs not iabs in ldexp.
author
Kenneth Graunke
<kenneth@whitecape.org>
Wed, 20 Jan 2016 20:09:29 +0000
(12:09 -0800)
committer
Kenneth Graunke
<kenneth@whitecape.org>
Wed, 20 Jan 2016 20:18:02 +0000
(12:18 -0800)
This was just wrong.
src/glsl/nir/nir_opt_algebraic.py
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diff --git
a/src/glsl/nir/nir_opt_algebraic.py
b/src/glsl/nir/nir_opt_algebraic.py
index
188c5b1
..
a46cbf7
100644
(file)
--- a/
src/glsl/nir/nir_opt_algebraic.py
+++ b/
src/glsl/nir/nir_opt_algebraic.py
@@
-305,7
+305,7
@@
def ldexp_to_arith(x, exp):
exp_width = 8
# Extract the biased exponent from <x>.
- extracted_biased_exp = ('ushr', ('
i
abs', x), exp_shift)
+ extracted_biased_exp = ('ushr', ('
f
abs', x), exp_shift)
resulting_biased_exp = ('iadd', extracted_biased_exp, exp)
# Test if result is ±0.0, subnormal, or underflow by checking if the