diff options
author | Samuel Pitoiset <samuel.pitoiset@gmail.com> | 2021-11-15 14:37:41 +0100 |
---|---|---|
committer | Eric Engestrom <eric@engestrom.ch> | 2021-11-17 20:06:22 +0000 |
commit | b7ac49468be45ba640ba3c6ec627fc8b3624ef3b (patch) | |
tree | b209f3a1cbc9f910d30b9efc115f55bd208cb5ad | |
parent | 02dc554b21786a5415224655fad0a6527968322f (diff) |
nir: fix constant expression of ibitfield_extract
This fixes dEQP-VK.graphicsfuzz.cov-condition-bitfield-extract-integer.
For example, nir_ibitfield_extract(3, 1, 2) should return 1.
Cc: 21.3 mesa-stable
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13791>
(cherry picked from commit 011ea325855d4dfd1b75f3c1c80a8f5a24c8a7c7)
-rw-r--r-- | .pick_status.json | 2 | ||||
-rw-r--r-- | src/compiler/nir/nir_opcodes.py | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/.pick_status.json b/.pick_status.json index df17a507184..f3a55f63275 100644 --- a/.pick_status.json +++ b/.pick_status.json @@ -76,7 +76,7 @@ "description": "nir: fix constant expression of ibitfield_extract", "nominated": true, "nomination_type": 0, - "resolution": 0, + "resolution": 1, "main_sha": null, "because_sha": null }, diff --git a/src/compiler/nir/nir_opcodes.py b/src/compiler/nir/nir_opcodes.py index c16923b0ee8..a104edc9882 100644 --- a/src/compiler/nir/nir_opcodes.py +++ b/src/compiler/nir/nir_opcodes.py @@ -1056,7 +1056,7 @@ if (bits == 0) { } else if (offset < 0 || bits < 0 || offset + bits > 32) { dst = 0; } else { - dst = (base << (32 - offset - bits)) >> offset; /* use sign-extending shift */ + dst = (base << (32 - offset - bits)) >> (32 - bits); /* use sign-extending shift */ } """) |