diff --git a/0104-Add-Crc32-Optimization-in-Gzip-For-crc32-algorithm-i.patch b/0104-Add-Crc32-Optimization-in-Gzip-For-crc32-algorithm-i.patch
index 6fb0cef7ac11ea7483c88f6e86c2936dd0dac366..beeaedd2301c7f3ed748d7238f1f45dffc345132 100644
--- a/0104-Add-Crc32-Optimization-in-Gzip-For-crc32-algorithm-i.patch
+++ b/0104-Add-Crc32-Optimization-in-Gzip-For-crc32-algorithm-i.patch
@@ -28,8 +28,8 @@ Node: The cpu you use needs to support the crc32 instructions
  .../tree-ssa/loop-crc-table-check-fail.c      |  114 ++
  gcc/timevar.def                               |    1 +
  gcc/tree-pass.h                               |    1 +
- gcc/tree-ssa-loop-crc.cc                      | 1333 +++++++++++++++++
- 19 files changed, 1921 insertions(+), 1 deletion(-)
+ gcc/tree-ssa-loop-crc.cc                      | 1337 +++++++++++++++++
+ 19 files changed, 1925 insertions(+), 1 deletion(-)
  create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/loop-crc-loop-condition-fail.c
  create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/loop-crc-loop-form-fail-2.c
  create mode 100644 gcc/testsuite/gcc.dg/tree-ssa/loop-crc-loop-form-fail.c
@@ -825,7 +825,7 @@ new file mode 100644
 index 000000000..b9c2f71ca
 --- /dev/null
 +++ b/gcc/tree-ssa-loop-crc.cc
-@@ -0,0 +1,1333 @@
+@@ -0,0 +1,1337 @@
 +/* This pass converts special loops where do CRC algorithms to
 +   simple CRC instructions in AArch64.
 +   Copyright (C) 2023-2023 Free Software Foundation, Inc.
@@ -2055,6 +2055,9 @@ index 000000000..b9c2f71ca
 +static unsigned int
 +tree_ssa_loop_crc ()
 +{
++#ifndef TARGET_CRC32
++  return 0;
++#else
 +  if (TARGET_CRC32 == false)
 +    {
 +      warning (OPT____,"The loop-crc optimization is not working." \
@@ -2097,6 +2100,7 @@ index 000000000..b9c2f71ca
 +      }
 +  }
 +  return todo;
++#endif
 +}
 +
 +/* Loop crc.  */
diff --git a/gcc.spec b/gcc.spec
index 25f9ef8863d463181a3bb5fd9e6d047269fa54c3..8bce6b339f2354e020ee74e9033dcf92821c5710 100644
--- a/gcc.spec
+++ b/gcc.spec
@@ -2,7 +2,7 @@
 %global gcc_major 12
 # Note, gcc_release must be integer, if you want to add suffixes to
 # %%{release}, append them after %%{gcc_release} on Release: line.
-%global gcc_release 32
+%global gcc_release 33
 
 %global _unpackaged_files_terminate_build 0
 %global _performance_build 1
@@ -3115,6 +3115,11 @@ end
 %doc rpm.doc/changelogs/libcc1/ChangeLog*
 
 %changelog
+* Wed Aug 28 2024 YunQiang Su <yunqiang@isrc.iscas.ac.cn> - 12.3.1-33
+- Type: BUGFIX
+- DESC: Fix 0104-Add-Crc32-Optimization-in-Gzip-For-crc32-algorithm-i.patch
+        for RISC-V: TARGET_CRC32 may be undefined.
+
 * Tue Aug 27 2024 liyancheng <412998149@qq.com> - 12.3.1-32
 - Type: Revert
 - DESC: Revert SME to skip some build issues