[llvm-commits] [llvm] r81591 - in /llvm/trunk/lib/Target/X86: X86Instr64bit.td X86InstrInfo.td

[Sean Callanan]

Author: spyffe
Date: Fri Sep 11 19:37:19 2009
New Revision: 81591

URL: http://llvm.org/viewvc/llvm-project?rev=81591&view=rev
Log:
Added SCAS instructions in their 8, 16, 32, and
64-bit variants for the disassembler.

Modified:
    llvm/trunk/lib/Target/X86/X86Instr64bit.td
    llvm/trunk/lib/Target/X86/X86InstrInfo.td

Modified: llvm/trunk/lib/Target/X86/X86Instr64bit.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Instr64bit.td?rev=81591&r1=81590&r2=81591&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86Instr64bit.td (original)
+++ llvm/trunk/lib/Target/X86/X86Instr64bit.td Fri Sep 11 19:37:19 2009
@@ -284,6 +284,8 @@
 def REP_STOSQ : RI<0xAB, RawFrm, (outs), (ins), "{rep;stosq|rep stosq}",
                    [(X86rep_stos i64)]>, REP;
 
+def SCAS64 : RI<0xAF, RawFrm, (outs), (ins), "scas{q}", []>;
+
 // Fast system-call instructions
 def SYSEXIT64 : RI<0x35, RawFrm,
                    (outs), (ins), "sysexit", []>, TB;

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.td?rev=81591&r1=81590&r2=81591&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.td Fri Sep 11 19:37:19 2009
@@ -814,6 +814,10 @@
 def REP_STOSD : I<0xAB, RawFrm, (outs), (ins), "{rep;stosl|rep stosd}",
                   [(X86rep_stos i32)]>, REP;
 
+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}", []>;
+
 let Defs = [RAX, RDX] in
 def RDTSC : I<0x31, RawFrm, (outs), (ins), "rdtsc", [(X86rdtsc)]>,
             TB;