From: Lasse Collin <lasse.collin@tukaani.org>
Date: Sat, 6 Jul 2024 11:04:16 +0000 (+0300)
Subject: Document --disable-loongarch-crc32 in INSTALL
X-Git-Tag: v5.7.1alpha~128
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f691d58fae82bd815c5f86ffad10fe9b6b59dad8;p=thirdparty%2Fxz.git

Document --disable-loongarch-crc32 in INSTALL
---

diff --git a/INSTALL b/INSTALL
index 317359f5..c7e4d497 100644
--- a/INSTALL
+++ b/INSTALL
@@ -454,6 +454,14 @@ XZ Utils Installation
                 and later) then runtime detection isn't used and the
                 generic code is omitted.
 
+    --disable-loongarch-crc32
+    XZ_LOONGARCH_CRC32=OFF
+                Disable the use of the 64-bit LoongArch CRC32
+                instruction extension even if compiler support for
+                it is detected. There is no runtime detection because
+                all 64-bit LoongArch processors should support
+                the CRC32 instructions.
+
     --enable-unaligned-access
     TUKLIB_FAST_UNALIGNED_ACCESS=ON
                 Allow liblzma to use unaligned memory access for 16-bit,