From 25220d648e0af4f977a0ff96fd6fabcf4e45ddb2 Mon Sep 17 00:00:00 2001 From: Sean Callanan Date: Sat, 12 Sep 2009 02:25:20 +0000 Subject: [PATCH] Added CMPS (string comparison) instructions for all operand widths to the Intel instruction tables, for the purposes of the disassembler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81601 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86Instr64bit.td | 2 ++ lib/Target/X86/X86InstrInfo.td | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/lib/Target/X86/X86Instr64bit.td b/lib/Target/X86/X86Instr64bit.td index f165336fdb..353868a407 100644 --- a/lib/Target/X86/X86Instr64bit.td +++ b/lib/Target/X86/X86Instr64bit.td @@ -286,6 +286,8 @@ def REP_STOSQ : RI<0xAB, RawFrm, (outs), (ins), "{rep;stosq|rep stosq}", def SCAS64 : RI<0xAF, RawFrm, (outs), (ins), "scas{q}", []>; +def CMPS64 : RI<0xA7, RawFrm, (outs), (ins), "cmps{q}", []>; + // Fast system-call instructions def SYSEXIT64 : RI<0x35, RawFrm, (outs), (ins), "sysexit", []>, TB; diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 8c22bc61e6..fbb5fa938e 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -818,6 +818,10 @@ def SCAS8 : I<0xAE, RawFrm, (outs), (ins), "scas{b}", []>; def SCAS16 : I<0xAF, RawFrm, (outs), (ins), "scas{w}", []>, OpSize; def SCAS32 : I<0xAF, RawFrm, (outs), (ins), "scas{l}", []>; +def CMPS8 : I<0xA6, RawFrm, (outs), (ins), "cmps{b}", []>; +def CMPS16 : I<0xA7, RawFrm, (outs), (ins), "cmps{w}", []>, OpSize; +def CMPS32 : I<0xA7, RawFrm, (outs), (ins), "cmps{l}", []>; + let Defs = [RAX, RDX] in def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>, TB; -- 2.11.4.GIT