From 8f5f365977a7d0cbce875d1efa3af67d32a85165 Mon Sep 17 00:00:00 2001
From: Peng Fan <fanpeng@loongson.cn>
Date: Thu, 20 Nov 2025 17:02:43 +0800
Subject: [PATCH] LoongArch: avoid wrong if-conversions from cmove

---
 ...void-wrong-if-conversions-from-cmove.patch | 34 +++++++++++++++++++
 gcc.spec                                      |  8 ++++-
 2 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 LoongArch-avoid-wrong-if-conversions-from-cmove.patch

diff --git a/LoongArch-avoid-wrong-if-conversions-from-cmove.patch b/LoongArch-avoid-wrong-if-conversions-from-cmove.patch
new file mode 100644
index 0000000..2416665
--- /dev/null
+++ b/LoongArch-avoid-wrong-if-conversions-from-cmove.patch
@@ -0,0 +1,34 @@
+From 56ffe2e24f693b4e52fb23f090995af9107569ac Mon Sep 17 00:00:00 2001
+From: Peng Fan <fanpeng@loongson.cn>
+Date: Thu, 20 Nov 2025 08:58:47 +0000
+Subject: [PATCH] LoongArch: avoid wrong if-conversions from cmove
+
+---
+ gcc/config/loongarch/loongarch.cc | 9 +++------
+ 1 file changed, 3 insertions(+), 6 deletions(-)
+
+diff --git a/gcc/config/loongarch/loongarch.cc b/gcc/config/loongarch/loongarch.cc
+index a6c1cf1bd..3b926af1e 100644
+--- a/gcc/config/loongarch/loongarch.cc
++++ b/gcc/config/loongarch/loongarch.cc
+@@ -11198,14 +11198,11 @@ loongarch_c_mode_for_suffix (char suffix)
+ static bool
+ loongarch_noce_conversion_profitable_p (rtx_insn *seq, struct noce_if_info *if_info)
+ {
+-    rtx src, dst;
+-    enum rtx_code code;
++    enum rtx_class cls;
+       for (rtx_insn *insn = seq; insn; insn = NEXT_INSN (insn))
+     {
+-	  src = SET_SRC (single_set (insn));
+-	  dst = SET_DEST (single_set (insn));
+-      code = GET_CODE (src);
+-      if (REG_P (dst) && (code == LTU || code == LEU || code == GEU || code == GTU))
++       cls = GET_RTX_CLASS (GET_CODE (SET_SRC (single_set (insn))));
++      if ( cls == RTX_COMPARE || cls == RTX_COMM_COMPARE)
+     return false;
+     }
+ 
+-- 
+2.43.0
+
diff --git a/gcc.spec b/gcc.spec
index 3e016cf..0b28a55 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 101
+%global gcc_release 102
 
 %global _unpackaged_files_terminate_build 0
 %global _performance_build 1
@@ -922,6 +922,7 @@ Patch3381: 0058-LoongArch-Prevent-subreg-of-subreg-in-CRC.patch
 Patch3382: 0059-LoongArch-Fix-errors-due-to-version-differences.patch
 Patch3383: 0060-LoongArch-Implement-NOCE_CONVERSION_PROFITABLE_P-to-.patch
 Patch3384: 0061-LoongArch-Only-allow-valid-binary-op-when-optimize-c.patch
+Patch3385: LoongArch-avoid-wrong-if-conversions-from-cmove.patch
 %endif
 
 # On ARM EABI systems, we do want -gnueabi to be part of the
@@ -2170,6 +2171,7 @@ not stable, so plugins must be rebuilt any time GCC is updated.
 %patch -P3382 -p1
 %patch -P3383 -p1
 %patch -P3384 -p1
+%patch -P3385 -p1
 %endif
 
 echo '%{_vendor} %{version}-%{release}' > gcc/DEV-PHASE
@@ -4452,6 +4454,10 @@ end
 %doc rpm.doc/changelogs/libcc1/ChangeLog*
 
 %changelog
+* Thu Nov 20 2025 Peng Fan <fanpeng@loongson.cn> - 12.3.1-102
+- Type: Bugfix
+- DESC: LoongArch: avoid wrong if-conversions from cmove
+
 * Mon Nov 17 2025 linhouzhong <hz_lin8@163.com> - 12.3.1-101
 - Type: Sync
 - DESC: Sync patch from openeuler/gcc.
-- 
Gitee