[Mesa-dev] [PATCH 03/12] nir: fix constant folding of bfi
Connor Abbott
cwabbott0 at gmail.com
Fri Aug 14 15:30:12 PDT 2015
Signed-off-by: Connor Abbott <connor.w.abbott at intel.com>
---
src/glsl/nir/nir_opcodes.py | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/glsl/nir/nir_opcodes.py b/src/glsl/nir/nir_opcodes.py
index df5b7e2..77c766b 100644
--- a/src/glsl/nir/nir_opcodes.py
+++ b/src/glsl/nir/nir_opcodes.py
@@ -510,7 +510,7 @@ opcode("bcsel", 0, tunsigned, [0, 0, 0],
[tbool, tunsigned, tunsigned], "", "src0 ? src1 : src2")
triop("bfi", tunsigned, """
-unsigned mask = src0, insert = src1 & mask, base = src2;
+unsigned mask = src0, insert = src1, base = src2;
if (mask == 0) {
dst = base;
} else {
@@ -519,7 +519,7 @@ if (mask == 0) {
tmp >>= 1;
insert <<= 1;
}
- dst = (base & ~mask) | insert;
+ dst = (base & ~mask) | (insert & mask);
}
""")
--
2.4.3
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