Thanks! The download has gone from 921 MB to 70 MB, which is much better.
Though, I noticed both files are gz, not xz as the filenames indicate:

    
Downloads bcran$ file *.tar.xz
loongarch64-clfs-6.3-cross-tools-c-only.tar.xz:   gzip compressed data, from Unix, original size modulo 2^32 197570560
loongarch64-clfs-6.3-cross-tools-gcc-full.tar.xz: gzip compressed data, from Unix, original size modulo 2^32 3332720640

Reviewed-by: Rebecca Cran <rebecca@bsdio.com>

-- 
Rebecca Cran


On 12/30/22 3:06 AM, Chao Li wrote:
The LoongArch64 cross compiler size is too large after decompression,
using the new compiler, there is no system library and glibc.

BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4233

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Signed-off-by: Chao Li <lichao@loongson.cn>
---
 BaseTools/Bin/gcc_loongarch64_unknown_linux_ext_dep.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/BaseTools/Bin/gcc_loongarch64_unknown_linux_ext_dep.yaml b/BaseTools/Bin/gcc_loongarch64_unknown_linux_ext_dep.yaml
index fe9a244853..6ebc93a07c 100644
--- a/BaseTools/Bin/gcc_loongarch64_unknown_linux_ext_dep.yaml
+++ b/BaseTools/Bin/gcc_loongarch64_unknown_linux_ext_dep.yaml
@@ -12,9 +12,9 @@
   "scope": "gcc_loongarch64_unknown_linux",
   "type": "web",
   "name": "gcc_loongarch64_unknown_linux",
-  "source":"https://github.com/loongson/build-tools/releases/download/2022.09.06/loongarch64-clfs-6.3-cross-tools-gcc-full.tar.xz",
+  "source":"https://github.com/loongson/build-tools/releases/download/2022.09.06/loongarch64-clfs-6.3-cross-tools-c-only.tar.xz",
   "version": "13.0.0",
-  "sha256":"27a43c5bb127794f091d0e75da0003c4d0eec28a958d8f2cc7cd290a6e6133ab",
+  "sha256":"744cbb50c6ef07c96551bddf07a8b85cee3250bb18b6040f6ed051e389514951",
   "compression_type": "tar",
   "internal_path": "/cross-tools/",
   "flags": ["set_shell_var", ],