diff options
| author | Ian Romanick <[email protected]> | 2016-07-11 11:20:02 -0700 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2016-08-30 16:28:00 -0700 |
| commit | 4b0606e0a7c3260e761137246923f453dcf1efe1 (patch) | |
| tree | aeb27dd18ae9a22af8dd67c5203054a11b33b477 /src/compiler/glsl/ir_constant_expression.cpp | |
| parent | f4af9f36e724a7f8b17c41508a0f8cd37470678b (diff) | |
glsl: Use _mesa_bitcount to implement constant ir_unop_bit_count
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Diffstat (limited to 'src/compiler/glsl/ir_constant_expression.cpp')
| -rw-r--r-- | src/compiler/glsl/ir_constant_expression.cpp | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/src/compiler/glsl/ir_constant_expression.cpp b/src/compiler/glsl/ir_constant_expression.cpp index 2664fefbc45..01a7224f470 100644 --- a/src/compiler/glsl/ir_constant_expression.cpp +++ b/src/compiler/glsl/ir_constant_expression.cpp @@ -1500,15 +1500,8 @@ ir_expression::constant_expression_value(struct hash_table *variable_context) break; case ir_unop_bit_count: - for (unsigned c = 0; c < components; c++) { - unsigned count = 0; - unsigned v = op[0]->value.u[c]; - - for (; v; count++) { - v &= v - 1; - } - data.u[c] = count; - } + for (unsigned c = 0; c < components; c++) + data.i[c] = _mesa_bitcount(op[0]->value.u[c]); break; case ir_unop_find_msb: |