fixup! Change the test check prefix

Author: mshockwave

llvm/test/tools/llvm-exegesis/RISCV/rvv/skip-rm.test

@@ -1,12 +1,12 @@
 # RUN: llvm-exegesis -mtriple=riscv64 -mcpu=sifive-x280 -benchmark-phase=assemble-measured-code --mode=latency --opcode-name=PseudoVAADDU_VV_M1 \
-# RUN:    --riscv-enumerate-rounding-modes=false --max-configs-per-opcode=1000 --min-instructions=100 | FileCheck %s --check-prefix=VXRM
+# RUN:    --riscv-enumerate-rounding-modes=false --max-configs-per-opcode=1000 --min-instructions=100 | FileCheck %s --check-prefix=VX
 # RUN: llvm-exegesis -mtriple=riscv64 -mcpu=sifive-x280 -benchmark-phase=assemble-measured-code --mode=latency --opcode-name=PseudoVFADD_VFPR16_M1_E16 \
-# RUN:    --riscv-enumerate-rounding-modes=false --max-configs-per-opcode=1000 --min-instructions=100 | FileCheck %s --check-prefix=FRM
+# RUN:    --riscv-enumerate-rounding-modes=false --max-configs-per-opcode=1000 --min-instructions=100 | FileCheck %s --check-prefix=FP
 
-# VXRM: PseudoVAADDU_VV_M1
-# VXRM: VXRM: rnu
-# VXRM-NOT: VXRM: {{(rne|rdn|rod)}}
+# VX: PseudoVAADDU_VV_M1
+# VX: VXRM: rnu
+# VX-NOT: VXRM: {{(rne|rdn|rod)}}
 
-# FRM: PseudoVFADD_VFPR16_M1_E16
-# FRM: FRM: rne
-# FRM-NOT: FRM: {{(rtz|rdn|rup|rmm|dyn)}}
+# FP: PseudoVFADD_VFPR16_M1_E16
+# FP: FRM: rne
+# FP-NOT: FRM: {{(rtz|rdn|rup|rmm|dyn)}}