[llvm-commits] [llvm] r103199 - in /llvm/trunk: lib/Target/X86/X86Instr64bit.td test/MC/AsmParser/X86/x86_64-new-encoder.s

[Chris Lattner]

Author: lattner
Date: Thu May  6 16:48:14 2010
New Revision: 103199

URL: http://llvm.org/viewvc/llvm-project?rev=103199&view=rev
Log:
fix rdar://7947167 - llvm-mc doesn't match movsq


Modified:
    llvm/trunk/lib/Target/X86/X86Instr64bit.td
    llvm/trunk/test/MC/AsmParser/X86/x86_64-new-encoder.s

Modified: llvm/trunk/lib/Target/X86/X86Instr64bit.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Instr64bit.td?rev=103199&r1=103198&r2=103199&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86Instr64bit.td (original)
+++ llvm/trunk/lib/Target/X86/X86Instr64bit.td Thu May  6 16:48:14 2010
@@ -309,16 +309,22 @@
 } // Defs = [EFLAGS]
 
 // Repeat string ops
-let Defs = [RCX,RDI,RSI], Uses = [RCX,RDI,RSI] in
+let Defs = [RCX,RDI,RSI], Uses = [RCX,RDI,RSI], isCodeGenOnly = 1 in
 def REP_MOVSQ : RI<0xA5, RawFrm, (outs), (ins), "{rep;movsq|rep movsq}",
                    [(X86rep_movs i64)]>, REP;
-let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI] in
+let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI], isCodeGenOnly = 1 in
 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}", []>;
+let Defs = [EDI,ESI], Uses = [EDI,ESI,EFLAGS] in
+def MOVSQ : RI<0xA5, RawFrm, (outs), (ins), "movsq", []>;
 
-def CMPS64 : RI<0xA7, RawFrm, (outs), (ins), "cmps{q}", []>;
+let Defs = [RCX,RDI], Uses = [RAX,RCX,RDI,EFLAGS] in
+def STOSQ : RI<0xAB, RawFrm, (outs), (ins), "stosq", []>;
+
+def SCAS64 : RI<0xAF, RawFrm, (outs), (ins), "scasq", []>;
+
+def CMPS64 : RI<0xA7, RawFrm, (outs), (ins), "cmpsq", []>;
 
 // Fast system-call instructions
 def SYSEXIT64 : RI<0x35, RawFrm,

Modified: llvm/trunk/test/MC/AsmParser/X86/x86_64-new-encoder.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AsmParser/X86/x86_64-new-encoder.s?rev=103199&r1=103198&r2=103199&view=diff
==============================================================================
--- llvm/trunk/test/MC/AsmParser/X86/x86_64-new-encoder.s (original)
+++ llvm/trunk/test/MC/AsmParser/X86/x86_64-new-encoder.s Thu May  6 16:48:14 2010
@@ -52,3 +52,20 @@
 // CHECK: cmpq	%rbx, %r14
 // CHECK:   encoding: [0x49,0x39,0xde]
         cmpq %rbx, %r14
+
+// rdar://7947167
+
+movsq
+// CHECK: movsq
+// CHECK:   encoding: [0x48,0xa5]
+
+movsl
+// CHECK: movsl
+// CHECK:   encoding: [0xa5]
+
+stosq
+// CHECK: stosq
+// CHECK:   encoding: [0x48,0xab]
+stosl
+// CHECK: stosl
+// CHECK:   encoding: [0xab]