From 03540e99d1bc497ea265ae137b1350d7f095a4bf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=BB=84=E5=B0=9A=E8=AF=9A10330306?=
 <huang.shangcheng@zte.com.cn>
Date: Wed, 15 Apr 2026 14:53:25 +0800
Subject: [PATCH] Enable PREFETCH_L1 for RISC-V to improve performance

---
 lib/decompress/zstd_decompress_block.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/decompress/zstd_decompress_block.c b/lib/decompress/zstd_decompress_block.c
index 56e1f9eda28..47fea05db72 100644
--- a/lib/decompress/zstd_decompress_block.c
+++ b/lib/decompress/zstd_decompress_block.c
@@ -1020,7 +1020,7 @@ size_t ZSTD_execSequence(BYTE* op,
     assert(op != NULL /* Precondition */);
     assert(oend_w < oend /* No underflow */);
 
-#if defined(__aarch64__)
+#if defined(__aarch64__) || defined(__riscv)
     /* prefetch sequence starting from match that will be used for copy later */
     PREFETCH_L1(match);
 #endif