diff --git a/src/cmd/internal/obj/loong64/a.out.go b/src/cmd/internal/obj/loong64/a.out.go
index 251c34c6abe68a41d87098943ac7dac555d754e2..29ee1bb2829636277ccc5c72cb51bf2f107abc8e 100644
--- a/src/cmd/internal/obj/loong64/a.out.go
+++ b/src/cmd/internal/obj/loong64/a.out.go
@@ -212,8 +212,7 @@ const (
 	C_LACON // $n(REG) where int12 < n <= int32
 	C_EXTADDR // external symbol address
 	C_DACON // $n(REG) where int32 < n
-	C_SBRA
-	C_LBRA
+	C_BRAN
 	C_SAUTO
 	C_LAUTO
 	C_SEXT
diff --git a/src/cmd/internal/obj/loong64/asm.go b/src/cmd/internal/obj/loong64/asm.go
index 933c9c978dd4da11ab2d4286c8d2062ef36f8257..2f2caa8b6d1de47a7e05ed869c58baefd0e8868d 100644
--- a/src/cmd/internal/obj/loong64/asm.go
+++ b/src/cmd/internal/obj/loong64/asm.go
@@ -240,13 +240,13 @@ var optab = []Optab{
 	{ASYSCALL, C_NONE, C_NONE, C_NONE, C_NONE, C_NONE, 5, 4, 0, 0},
 	{ASYSCALL, C_ANDCON, C_NONE, C_NONE, C_NONE, C_NONE, 5, 4, 0, 0},
 
-	{ABEQ, C_REG, C_REG, C_NONE, C_SBRA, C_NONE, 6, 4, 0, 0},
-	{ABEQ, C_REG, C_NONE, C_NONE, C_SBRA, C_NONE, 6, 4, 0, 0},
-	{ABLEZ, C_REG, C_NONE, C_NONE, C_SBRA, C_NONE, 6, 4, 0, 0},
-	{ABFPT, C_NONE, C_NONE, C_NONE, C_SBRA, C_NONE, 6, 4, 0, NOTUSETMP},
+	{ABEQ, C_REG, C_REG, C_NONE, C_BRAN, C_NONE, 6, 4, 0, 0},
+	{ABEQ, C_REG, C_NONE, C_NONE, C_BRAN, C_NONE, 6, 4, 0, 0},
+	{ABLEZ, C_REG, C_NONE, C_NONE, C_BRAN, C_NONE, 6, 4, 0, 0},
+	{ABFPT, C_NONE, C_NONE, C_NONE, C_BRAN, C_NONE, 6, 4, 0, NOTUSETMP},
 
-	{AJMP, C_NONE, C_NONE, C_NONE, C_LBRA, C_NONE, 11, 4, 0, 0}, // b
-	{AJAL, C_NONE, C_NONE, C_NONE, C_LBRA, C_NONE, 11, 4, 0, 0}, // bl
+	{AJMP, C_NONE, C_NONE, C_NONE, C_BRAN, C_NONE, 11, 4, 0, 0}, // b
+	{AJAL, C_NONE, C_NONE, C_NONE, C_BRAN, C_NONE, 11, 4, 0, 0}, // bl
 
 	{AJMP, C_NONE, C_NONE, C_NONE, C_ZOREG, C_NONE, 18, 4, REGZERO, 0}, // jirl r0, rj, 0
 	{AJAL, C_NONE, C_NONE, C_NONE, C_ZOREG, C_NONE, 18, 4, REGLINK, 0}, // jirl r1, rj, 0
@@ -331,8 +331,8 @@ var optab = []Optab{
 	{obj.ANOP, C_DCON, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0}, // nop variants, see #40689
 	{obj.ANOP, C_REG, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0},
 	{obj.ANOP, C_FREG, C_NONE, C_NONE, C_NONE, C_NONE, 0, 0, 0, 0},
-	{obj.ADUFFZERO, C_NONE, C_NONE, C_NONE, C_LBRA, C_NONE, 11, 4, 0, 0}, // same as AJMP
-	{obj.ADUFFCOPY, C_NONE, C_NONE, C_NONE, C_LBRA, C_NONE, 11, 4, 0, 0}, // same as AJMP
+	{obj.ADUFFZERO, C_NONE, C_NONE, C_NONE, C_BRAN, C_NONE, 11, 4, 0, 0}, // same as AJMP
+	{obj.ADUFFCOPY, C_NONE, C_NONE, C_NONE, C_BRAN, C_NONE, 11, 4, 0, 0}, // same as AJMP
 
 	{obj.AXXX, C_NONE, C_NONE, C_NONE, C_NONE, C_NONE, 0, 4, 0, 0},
 }
@@ -807,7 +807,7 @@ func (c *ctxt0) aclass(a *obj.Addr) int {
 		return C_LCON
 
 	case obj.TYPE_BRANCH:
-		return C_SBRA
+		return C_BRAN
 	}
 
 	return C_GOK
@@ -950,11 +950,6 @@ func cmp(a int, b int) bool {
 			return true
 		}
 
-	case C_LBRA:
-		if b == C_SBRA {
-			return true
-		}
-
 	case C_LEXT:
 		if b == C_SEXT {
 			return true
diff --git a/src/cmd/internal/obj/loong64/cnames.go b/src/cmd/internal/obj/loong64/cnames.go
index 955c464d2fce22ca6956a5364e1391e6bb218595..02b18272ca2d14815a285e9687ba9ede454f5aa3 100644
--- a/src/cmd/internal/obj/loong64/cnames.go
+++ b/src/cmd/internal/obj/loong64/cnames.go
@@ -24,8 +24,7 @@ var cnames0 = []string{
 	"LACON",
 	"EXTADDR",
 	"DACON",
-	"SBRA",
-	"LBRA",
+	"BRAN",
 	"SAUTO",
 	"LAUTO",
 	"SEXT",