AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

nir/opt_algebraic: Mirror optimizations for find_msb_rev.

Browse Source 
Signed-off-by: Georg Lehmann <dadschoorse@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/18951>
This commit is contained in:
Georg Lehmann
2022-10-04 14:32:50 +02:00
parent b5ecb5388e
commit 1e552b9c95
1 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/compiler/nir/nir_opt_algebraic.py
+5
View File
@@ -1674,12 +1674,17 @@ optimizations.extend([
(('bcsel', ('ige', ('find_lsb', a), 0), ('find_lsb', a), -1), ('find_lsb', a)),
(('bcsel', ('ige', ('ifind_msb', a), 0), ('ifind_msb', a), -1), ('ifind_msb', a)),
(('bcsel', ('ige', ('ufind_msb', a), 0), ('ufind_msb', a), -1), ('ufind_msb', a)),
(('bcsel', ('ige', ('ifind_msb_rev', a), 0), ('ifind_msb_rev', a), -1), ('ifind_msb_rev', a)),
(('bcsel', ('ige', ('ufind_msb_rev', a), 0), ('ufind_msb_rev', a), -1), ('ufind_msb_rev', a)),
(('bcsel', ('ine', a, 0), ('find_lsb', a), -1), ('find_lsb', a)),
(('bcsel', ('ine', a, 0), ('ifind_msb', a), -1), ('ifind_msb', a)),
(('bcsel', ('ine', a, 0), ('ufind_msb', a), -1), ('ufind_msb', a)),
(('bcsel', ('ine', a, 0), ('ifind_msb_rev', a), -1), ('ifind_msb_rev', a)),
(('bcsel', ('ine', a, 0), ('ufind_msb_rev', a), -1), ('ufind_msb_rev', a)),
(('bcsel', ('ine', a, -1), ('ifind_msb', a), -1), ('ifind_msb', a)),
(('bcsel', ('ine', a, -1), ('ifind_msb_rev', a), -1), ('ifind_msb_rev', a)),
(('~fmul', ('bcsel(is_used_once)', c, -1.0, 1.0), b), ('bcsel', c, ('fneg', b), b)),
(('~fmul', ('bcsel(is_used_once)', c, 1.0, -1.0), b), ('bcsel', c, b, ('fneg', b))),