Merge remote-tracking branch 'mesa-public/master' into vulkan

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

diff --git a/src/glsl/nir/nir_opt_algebraic.py b/src/glsl/nir/nir_opt_algebraic.py
index cafbd6d66a531edb47eaf88128cfbc4f8f9b5820..30ede52b146713598b273a3b782a05e953b2eb67 100644 (file)
--- a/src/glsl/nir/nir_opt_algebraic.py
+++ b/src/glsl/nir/nir_opt_algebraic.py
@@ -56,12 +56,16 @@ optimizations = [
    (('iabs', ('ineg', a)), ('iabs', a)),
    (('fadd', a, 0.0), a),
    (('iadd', a, 0), a),
+   (('usadd_4x8', a, 0), a),
+   (('usadd_4x8', a, ~0), ~0),
    (('fadd', ('fmul', a, b), ('fmul', a, c)), ('fmul', a, ('fadd', b, c))),
    (('iadd', ('imul', a, b), ('imul', a, c)), ('imul', a, ('iadd', b, c))),
    (('fadd', ('fneg', a), a), 0.0),
    (('iadd', ('ineg', a), a), 0),
    (('fmul', a, 0.0), 0.0),
    (('imul', a, 0), 0),
+   (('umul_unorm_4x8', a, 0), 0),
+   (('umul_unorm_4x8', a, ~0), a),
    (('fmul', a, 1.0), a),
    (('imul', a, 1), a),
    (('fmul', a, -1.0), ('fneg', a)),
@@ -202,6 +206,8 @@ optimizations = [
    # Subtracts
    (('fsub', a, ('fsub', 0.0, b)), ('fadd', a, b)),
    (('isub', a, ('isub', 0, b)), ('iadd', a, b)),
+   (('ussub_4x8', a, 0), a),
+   (('ussub_4x8', a, ~0), 0),
    (('fsub', a, b), ('fadd', a, ('fneg', b)), 'options->lower_sub'),
    (('isub', a, b), ('iadd', a, ('ineg', b)), 'options->lower_sub'),
    (('fneg', a), ('fsub', 0.0, a), 'options->lower_negate'),