diff options
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrSystem.td | 2 | ||||
| -rw-r--r-- | llvm/test/MC/X86/padlock.s | 5 |
2 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86InstrSystem.td b/llvm/lib/Target/X86/X86InstrSystem.td index 48c27051a872..355ddf26e3bb 100644 --- a/llvm/lib/Target/X86/X86InstrSystem.td +++ b/llvm/lib/Target/X86/X86InstrSystem.td @@ -583,7 +583,7 @@ def XRSTORS64 : RI<0xC7, MRM3m, (outs), (ins opaquemem:$dst), //===----------------------------------------------------------------------===// // VIA PadLock crypto instructions let Defs = [RAX, RDI], Uses = [RDX, RDI], SchedRW = [WriteSystem] in - def XSTORE : I<0xa7, MRM_C0, (outs), (ins), "xstore", []>, TB, REP; + def XSTORE : I<0xa7, MRM_C0, (outs), (ins), "xstore", []>, TB; def : InstAlias<"xstorerng", (XSTORE)>; diff --git a/llvm/test/MC/X86/padlock.s b/llvm/test/MC/X86/padlock.s index c79d346fa23e..9f9b16294ea0 100644 --- a/llvm/test/MC/X86/padlock.s +++ b/llvm/test/MC/X86/padlock.s @@ -1,8 +1,11 @@ // RUN: llvm-mc -triple i386-unknown-unknown --show-encoding %s | FileCheck %s +/// Check xstore does not get an implicit REP prefix but all other PadLock +/// instructions do. + xstore // CHECK: xstore -// CHECK: encoding: [0xf3,0x0f,0xa7,0xc0] +// CHECK: encoding: [0x0f,0xa7,0xc0] xcryptecb // CHECK: xcryptecb // CHECK: encoding: [0xf3,0x0f,0xa7,0xc8] |