diff options
| author | Eric Anholt <[email protected]> | 2015-02-18 12:24:38 -0800 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2015-03-27 13:29:48 -0700 |
| commit | afa9fc15613c3ebdc59245c9d4d8c1280b2a2a37 (patch) | |
| tree | e4373aaa6ec3fe9942e9385dbc8ba9e443cb81f3 | |
| parent | 56076be2ac60f005770516a9ac305e60e6285497 (diff) | |
nir: Add optional lowering of flrp.
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Connor Abbott <[email protected]>
| -rw-r--r-- | src/glsl/nir/nir.h | 1 | ||||
| -rw-r--r-- | src/glsl/nir/nir_opt_algebraic.py | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h index 29fe942431c..7b886e3d36f 100644 --- a/src/glsl/nir/nir.h +++ b/src/glsl/nir/nir.h @@ -1365,6 +1365,7 @@ typedef struct nir_function { typedef struct nir_shader_compiler_options { bool lower_ffma; + bool lower_flrp; bool lower_fpow; bool lower_fsat; bool lower_fsqrt; diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py index 1ee51a05f80..20ec4d3a39a 100644 --- a/src/glsl/nir/nir_opt_algebraic.py +++ b/src/glsl/nir/nir_opt_algebraic.py @@ -75,6 +75,7 @@ optimizations = [ (('flrp', a, b, 1.0), b), (('flrp', a, a, b), a), (('flrp', 0.0, a, b), ('fmul', a, b)), + (('flrp', a, b, c), ('fadd', ('fmul', c, ('fsub', b, a)), a), 'options->lower_flrp'), (('ffma', a, b, c), ('fadd', ('fmul', a, b), c), 'options->lower_ffma'), (('fadd', ('fmul', a, b), c), ('ffma', a, b, c), '!options->lower_ffma'), # Comparison simplifications |