remove VAX compatibility instruction, we will never use this

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23643 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Alpha/AlphaInstrInfo.td b/lib/Target/Alpha/AlphaInstrInfo.td
index ea0776b9b9dfbcf55ea5ddf8acd72a197ceb4e8d..f355a12f235c836997616affb3a665e30fb81369 100644 (file)
--- a/lib/Target/Alpha/AlphaInstrInfo.td
+++ b/lib/Target/Alpha/AlphaInstrInfo.td
@@ -397,9 +397,7 @@ def CVTTS : FPForm<0x16, 0x5AC, "cvtts/su $RB,$RC">; //Convert T_floating to S_f
 //LDQ_L Mem 2B Load quadword locked
 //LDQ_U Mem 0B Load unaligned quadword
 //MB Mfc 18.4000 Memory barrier
-//RC Mfc 18.E000 Read and clear
 //RPCC Mfc 18.C000 Read process cycle counter
-//RS Mfc 18.F000 Read and set
 
 //STL_C Mem 2E Store longword conditional
 //STQ_C Mem 2F Store quadword conditional