From 74e52108090f29a92ebb78d33451104bc445ac55 Mon Sep 17 00:00:00 2001 From: Sean Callanan Date: Thu, 23 Jul 2009 23:39:34 +0000 Subject: [PATCH] Added a 2+-byte NOP instruction to the Intel tables, for the assembler/disassembler to use. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76914 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86InstrInfo.td | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index eaafe0a7ce2..0e40965a4c1 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -489,8 +489,11 @@ def ADJCALLSTACKUP32 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2), } // Nop -let neverHasSideEffects = 1 in +let neverHasSideEffects = 1 in { def NOOP : I<0x90, RawFrm, (outs), (ins), "nop", []>; + def NOOPL : I<0x1f, MRM0m, (outs), (ins i32mem:$zero), + "nopl\t$zero", []>, TB; +} // PIC base let neverHasSideEffects = 1, isNotDuplicable = 1, Uses = [ESP] in -- 2.11.0