[RISCV] Correct the spelling of the Zcmop mnemonics. (#88826)

The instruction names should be c.mop.1 instead of cmop.1.

Author: topperc

llvm/lib/Target/RISCV/RISCVInstrInfoZcmop.td

@@ -22,5 +22,5 @@ class CMOPInst<bits<3> imm3, string opcodestr>
 
 foreach n = [1, 3, 5, 7, 9, 11, 13, 15] in {
   let Predicates = [HasStdExtZcmop] in
-  def CMOP # n : CMOPInst<!srl(n, 1), "cmop." # n>, Sched<[]>;
+  def C_MOP # n : CMOPInst<!srl(n, 1), "c.mop." # n>, Sched<[]>;
 }

llvm/test/MC/RISCV/rv32zcmop-invalid.s

@@ -1,7 +1,7 @@
 # RUN: not llvm-mc -triple riscv32 -mattr=+zcmop < %s 2>&1 | FileCheck %s
 
-cmop.0 # CHECK: :[[@LINE]]:1: error: unrecognized instruction mnemonic
+c.mop.0 # CHECK: :[[@LINE]]:1: error: unrecognized instruction mnemonic
 
-cmop.1 t0 # CHECK: :[[@LINE]]:8: error: invalid operand for instruction
+c.mop.1 t0 # CHECK: :[[@LINE]]:9: error: invalid operand for instruction
 
-cmop.1 0x0 # CHECK: :[[@LINE]]:8: error: invalid operand for instruction
+c.mop.1 0x0 # CHECK: :[[@LINE]]:9: error: invalid operand for instruction

llvm/test/MC/RISCV/rvzcmop-valid.s

@@ -9,34 +9,34 @@
 # RUN:     | llvm-objdump --mattr=+zcmop -d -r - \
 # RUN:     | FileCheck --check-prefix=CHECK-ASM-AND-OBJ %s
 
-# CHECK-ASM-AND-OBJ: cmop.1
+# CHECK-ASM-AND-OBJ: c.mop.1
 # CHECK-ASM: encoding: [0x81,0x60]
-cmop.1
+c.mop.1
 
-# CHECK-ASM-AND-OBJ: cmop.3
+# CHECK-ASM-AND-OBJ: c.mop.3
 # CHECK-ASM: encoding: [0x81,0x61]
-cmop.3
+c.mop.3
 
-# CHECK-ASM-AND-OBJ: cmop.5
+# CHECK-ASM-AND-OBJ: c.mop.5
 # CHECK-ASM: encoding: [0x81,0x62]
-cmop.5
+c.mop.5
 
-# CHECK-ASM-AND-OBJ: cmop.7
+# CHECK-ASM-AND-OBJ: c.mop.7
 # CHECK-ASM: encoding: [0x81,0x63]
-cmop.7
+c.mop.7
 
-# CHECK-ASM-AND-OBJ: cmop.9
+# CHECK-ASM-AND-OBJ: c.mop.9
 # CHECK-ASM: encoding: [0x81,0x64]
-cmop.9
+c.mop.9
 
-# CHECK-ASM-AND-OBJ: cmop.11
+# CHECK-ASM-AND-OBJ: c.mop.11
 # CHECK-ASM: encoding: [0x81,0x65]
-cmop.11
+c.mop.11
 
-# CHECK-ASM-AND-OBJ: cmop.13
+# CHECK-ASM-AND-OBJ: c.mop.13
 # CHECK-ASM: encoding: [0x81,0x66]
-cmop.13
+c.mop.13
 
-# CHECK-ASM-AND-OBJ: cmop.15
+# CHECK-ASM-AND-OBJ: c.mop.15
 # CHECK-ASM: encoding: [0x81,0x67]
-cmop.15
+c.mop.15