[Mesa-dev] [PATCH v2 12/29] nir/algebraic: Make an optimization more specific

Jason Ekstrand jason at jlekstrand.net
Thu Dec 6 19:45:03 UTC 2018


Later in this series, bool is not going to imply 32-bit.
---
 src/compiler/nir/nir_opt_algebraic.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/nir/nir_opt_algebraic.py b/src/compiler/nir/nir_opt_algebraic.py
index 57abe7c9952..1f1dd9e8b77 100644
--- a/src/compiler/nir/nir_opt_algebraic.py
+++ b/src/compiler/nir/nir_opt_algebraic.py
@@ -440,7 +440,7 @@ optimizations = [
    (('imul', ('b2i', 'a at 32'), ('b2i', 'b at 32')), ('b2i', ('iand', a, b))),
    (('fmul', ('b2f', 'a at 32'), ('b2f', 'b at 32')), ('b2f', ('iand', a, b))),
    (('fsat', ('fadd', ('b2f', 'a at 32'), ('b2f', 'b at 32'))), ('b2f', ('ior', a, b))),
-   (('iand', 'a at bool', 1.0), ('b2f', a)),
+   (('iand', 'a at bool32', 1.0), ('b2f', a)),
    # True/False are ~0 and 0 in NIR.  b2i of True is 1, and -1 is ~0 (True).
    (('ineg', ('b2i32', 'a at 32')), a),
    (('flt', ('fneg', ('b2f', 'a at 32')), 0), a), # Generated by TGSI KILL_IF.
-- 
2.19.2



More information about the mesa-dev mailing list