diff --git a/MAINTAINERS b/MAINTAINERS
index 310082fdc9..030faf0249 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -222,6 +222,7 @@ F: disas/microblaze.c
 MIPS TCG CPUs
 M: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
 R: Aurelien Jarno <aurelien@aurel32.net>
+R: Jiaxun Yang <jiaxun.yang@flygoat.com>
 R: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
 S: Maintained
 F: target/mips/
@@ -384,6 +385,7 @@ S: Maintained
 F: target/arm/kvm.c
 
 MIPS KVM CPUs
+M: Huacai Chen <chenhc@lemote.com>
 M: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
 S: Odd Fixes
 F: target/mips/kvm.c
@@ -2751,6 +2753,8 @@ F: disas/i386.c
 MIPS TCG target
 M: Aleksandar Markovic <aleksandar.qemu.devel@gmail.com>
 R: Aurelien Jarno <aurelien@aurel32.net>
+R: Huacai Chen <chenhc@lemote.com>
+R: Jiaxun Yang <jiaxun.yang@flygoat.com>
 R: Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>
 S: Maintained
 F: tcg/mips/
diff --git a/target/mips/cp0_helper.c b/target/mips/cp0_helper.c
index bbf12e4a97..de64add038 100644
--- a/target/mips/cp0_helper.c
+++ b/target/mips/cp0_helper.c
@@ -375,16 +375,9 @@ target_ulong helper_mftc0_entryhi(CPUMIPSState *env)
 target_ulong helper_mftc0_cause(CPUMIPSState *env)
 {
     int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
-    int32_t tccause;
     CPUMIPSState *other = mips_cpu_map_tc(env, &other_tc);
 
-    if (other_tc == other->current_tc) {
-        tccause = other->CP0_Cause;
-    } else {
-        tccause = other->CP0_Cause;
-    }
-
-    return tccause;
+    return other->CP0_Cause;
 }
 
 target_ulong helper_mftc0_status(CPUMIPSState *env)
diff --git a/target/mips/fpu_helper.c b/target/mips/fpu_helper.c
index 7a3a61cab3..56beda49d8 100644
--- a/target/mips/fpu_helper.c
+++ b/target/mips/fpu_helper.c
@@ -1221,7 +1221,7 @@ uint32_t helper_float_add_s(CPUMIPSState *env,
 {
     uint32_t wt2;
 
-    wt2 = float32_sub(fst0, fst1, &env->active_fpu.fp_status);
+    wt2 = float32_add(fst0, fst1, &env->active_fpu.fp_status);
     update_fcr31(env, GETPC());
     return wt2;
 }