From: Georgi Gerganov <redacted>
Date: Thu, 23 May 2024 14:17:43 +0000 (+0300)
Subject: ggml : silence UB sanitizer error during iq2_xxs quantization (llama/0)
X-Git-Tag: upstream/0.0.1642~650
X-Git-Url: https://git.djapps.eu/?a=commitdiff_plain;h=4dba3dc447a6f6b8c59b6c72bb4174fcadb0774e;p=pkg%2Fggml%2Fsources%2Fggml

ggml : silence UB sanitizer error during iq2_xxs quantization (llama/0)
---

diff --git a/src/ggml-quants.c b/src/ggml-quants.c
index 88f58a33..bb01ce93 100644
--- a/src/ggml-quants.c
+++ b/src/ggml-quants.c
@@ -12144,7 +12144,7 @@ static void quantize_row_iq2_xxs_impl(const float * restrict x, void * restrict
                     printf("\n");
                     GGML_ASSERT(false);
                 }
-                q2[2*ib+0] |= (grid_index << 8*k);
+                q2[2*ib+0] |= ((uint32_t) grid_index << 8*k);
                 q2[2*ib+1] |= (block_signs[k] << 7*k);
             }
             GGML_ASSERT(scale >= 0);