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-rw-r--r--src/compiler/nir/nir.h4
-rw-r--r--src/compiler/nir/nir_opt_algebraic.py10
2 files changed, 7 insertions, 7 deletions
diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 088b8d7d5e8..7671f8caffb 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -2544,8 +2544,8 @@ typedef struct nir_shader_compiler_options {
/** enables rules to lower idiv by power-of-two: */
bool lower_idiv;
- /** enable rules to avoid bit shifts */
- bool lower_bitshift;
+ /** enable rules to avoid bit ops */
+ bool lower_bitops;
/** enables rules to lower isign to imin+imax */
bool lower_isign;
diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index 9fc3be8f8b0..09ccc696657 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -83,9 +83,9 @@ def lowered_sincos(c):
optimizations = [
- (('imul', a, '#b@32(is_pos_power_of_two)'), ('ishl', a, ('find_lsb', b)), '!options->lower_bitshift'),
- (('imul', a, '#b@32(is_neg_power_of_two)'), ('ineg', ('ishl', a, ('find_lsb', ('iabs', b)))), '!options->lower_bitshift'),
- (('ishl', a, '#b@32'), ('imul', a, ('ishl', 1, b)), 'options->lower_bitshift'),
+ (('imul', a, '#b@32(is_pos_power_of_two)'), ('ishl', a, ('find_lsb', b)), '!options->lower_bitops'),
+ (('imul', a, '#b@32(is_neg_power_of_two)'), ('ineg', ('ishl', a, ('find_lsb', ('iabs', b)))), '!options->lower_bitops'),
+ (('ishl', a, '#b@32'), ('imul', a, ('ishl', 1, b)), 'options->lower_bitops'),
(('unpack_64_2x32_split_x', ('imul_2x32_64(is_used_once)', a, b)), ('imul', a, b)),
(('unpack_64_2x32_split_x', ('umul_2x32_64(is_used_once)', a, b)), ('imul', a, b)),
@@ -95,7 +95,7 @@ optimizations = [
(('idiv', a, 1), a),
(('umod', a, 1), 0),
(('imod', a, 1), 0),
- (('udiv', a, '#b@32(is_pos_power_of_two)'), ('ushr', a, ('find_lsb', b)), '!options->lower_bitshift'),
+ (('udiv', a, '#b@32(is_pos_power_of_two)'), ('ushr', a, ('find_lsb', b)), '!options->lower_bitops'),
(('idiv', a, '#b@32(is_pos_power_of_two)'), ('imul', ('isign', a), ('ushr', ('iabs', a), ('find_lsb', b))), 'options->lower_idiv'),
(('idiv', a, '#b@32(is_neg_power_of_two)'), ('ineg', ('imul', ('isign', a), ('ushr', ('iabs', a), ('find_lsb', ('iabs', b))))), 'options->lower_idiv'),
(('umod', a, '#b(is_pos_power_of_two)'), ('iand', a, ('isub', b, 1))),
@@ -509,7 +509,7 @@ optimizations = [
(('ine', ('ineg', ('b2i32', 'a@1')), ('ineg', ('b2i32', 'b@1'))), ('ine', a, b)),
(('b2i32', ('ine', 'a@1', 'b@1')), ('b2i32', ('ixor', a, b))),
- (('iand', ('ieq', 'a@32', 0), ('ieq', 'b@32', 0)), ('ieq', ('ior', 'a@32', 'b@32'), 0)),
+ (('iand', ('ieq', 'a@32', 0), ('ieq', 'b@32', 0)), ('ieq', ('ior', 'a@32', 'b@32'), 0), '!options->lower_bitops'),
# These patterns can result when (a < b || a < c) => (a < min(b, c))
# transformations occur before constant propagation and loop-unrolling.