Revert "nir: Add a couple trivial abs optimizations"

[mesa.git] / src / compiler / nir / nir_opt_algebraic.py

diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index fd0007bb54d1bf8bad15cb9a6b2fee32136c7316..94c8836cbf7f21e94427cff91a3d901a9ef4d54a 100644 (file)
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -497,8 +497,6 @@ optimizations.extend([
    (('umin', ('umin', a, b), b), ('umin', a, b)),
    (('imin', ('imin', a, b), b), ('imin', a, b)),
    (('iand@32', a, ('inot', ('ishr', a, 31))), ('imax', a, 0)),
-   (('fmax', a, ('fneg', a)), ('fabs', a)),
-   (('imax', a, ('ineg', a)), ('iabs', a)),
    (('fmin', a, ('fneg', a)), ('fneg', ('fabs', a))),
    (('imin', a, ('ineg', a)), ('ineg', ('iabs', a))),
    (('fmin', a, ('fneg', ('fabs', a))), ('fneg', ('fabs', a))),
@@ -935,6 +933,15 @@ optimizations.extend([
    (('unpack_half_2x16_split_y', ('iand', a, 0xffff0000)), ('unpack_half_2x16_split_y', a)),
    (('unpack_32_2x16_split_y', ('iand', a, 0xffff0000)), ('unpack_32_2x16_split_y', a)),
    (('unpack_64_2x32_split_y', ('iand', a, 0xffffffff00000000)), ('unpack_64_2x32_split_y', a)),
+
+   # Optimize half packing
+   (('ishl', ('pack_half_2x16', ('vec2', a, 0)), 16), ('pack_half_2x16', ('vec2', 0, a))),
+   (('ishr', ('pack_half_2x16', ('vec2', 0, a)), 16), ('pack_half_2x16', ('vec2', a, 0))),
+
+   (('iadd', ('pack_half_2x16', ('vec2', a, 0)), ('pack_half_2x16', ('vec2', 0, b))),
+    ('pack_half_2x16', ('vec2', a, b))),
+   (('ior', ('pack_half_2x16', ('vec2', a, 0)), ('pack_half_2x16', ('vec2', 0, b))),
+    ('pack_half_2x16', ('vec2', a, b))),
 ])
 
 # After the ('extract_u8', a, 0) pattern, above, triggers, there will be
@@ -1270,7 +1277,7 @@ for bit_size in [8, 16, 32, 64]:
                                 ('bcsel', ('ilt', a, ('isub', a, b)), intmin, ('isub', a, b))), 'options->lower_add_sat'),
    ]
 
-invert = OrderedDict([('feq', 'fne'), ('fne', 'feq'), ('fge', 'flt'), ('flt', 'fge')])
+invert = OrderedDict([('feq', 'fne'), ('fne', 'feq')])
 
 for left, right in itertools.combinations_with_replacement(invert.keys(), 2):
    optimizations.append((('inot', ('ior(is_used_once)', (left, a, b), (right, c, d))),