diff options
| author | Ian Romanick <[email protected]> | 2017-11-13 13:00:53 -0800 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2018-03-29 14:09:28 -0700 |
| commit | 22fbb5c5949b1590ef04b6432dd7f3a93a37c2ed (patch) | |
| tree | c43dcd5e0d83802f39221369da90d1eed745b808 /src/compiler/nir/nir_search_helpers.h | |
| parent | d76c204d0564701b4b8b6a2bdda50e2939683e66 (diff) | |
util: Add and use util_is_power_of_two_nonzero
Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Eduardo Lima Mitev <[email protected]>
Diffstat (limited to 'src/compiler/nir/nir_search_helpers.h')
| -rw-r--r-- | src/compiler/nir/nir_search_helpers.h | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/src/compiler/nir/nir_search_helpers.h b/src/compiler/nir/nir_search_helpers.h index 2d399bd5dcd..8bc6d723c34 100644 --- a/src/compiler/nir/nir_search_helpers.h +++ b/src/compiler/nir/nir_search_helpers.h @@ -28,12 +28,7 @@ #define _NIR_SEARCH_HELPERS_ #include "nir.h" - -static inline bool -__is_power_of_two(unsigned int x) -{ - return ((x != 0) && !(x & (x - 1))); -} +#include "util/bitscan.h" static inline bool is_pos_power_of_two(nir_alu_instr *instr, unsigned src, unsigned num_components, @@ -50,11 +45,11 @@ is_pos_power_of_two(nir_alu_instr *instr, unsigned src, unsigned num_components, case nir_type_int: if (val->i32[swizzle[i]] < 0) return false; - if (!__is_power_of_two(val->i32[swizzle[i]])) + if (!util_is_power_of_two_nonzero(val->i32[swizzle[i]])) return false; break; case nir_type_uint: - if (!__is_power_of_two(val->u32[swizzle[i]])) + if (!util_is_power_of_two_nonzero(val->u32[swizzle[i]])) return false; break; default: @@ -80,7 +75,7 @@ is_neg_power_of_two(nir_alu_instr *instr, unsigned src, unsigned num_components, case nir_type_int: if (val->i32[swizzle[i]] > 0) return false; - if (!__is_power_of_two(abs(val->i32[swizzle[i]]))) + if (!util_is_power_of_two_nonzero(abs(val->i32[swizzle[i]]))) return false; break; default: |