[llvm-commits] [llvm] r99375 - /llvm/trunk/lib/Target/X86/X86InstrInfo.td

[Chris Lattner]

Author: lattner
Date: Tue Mar 23 20:02:12 2010
New Revision: 99375

URL: http://llvm.org/viewvc/llvm-project?rev=99375&view=rev
Log:
Switch INC8r to defining its pattern in terms of X86inc_flag
and defining the add pattern with Pat<>, eliminating a use of
parallel.

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

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.td?rev=99375&r1=99374&r2=99375&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.td Tue Mar 23 20:02:12 2010
@@ -1698,8 +1698,8 @@
 let Defs = [EFLAGS] in {
 let CodeSize = 2 in
 def INC8r  : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
-               [(set GR8:$dst, (add GR8:$src, 1)),
-                (implicit EFLAGS)]>;
+               [(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src))]>;
+
 let isConvertibleToThreeAddress = 1, CodeSize = 1 in {  // Can xform into LEA.
 def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src), 
                "inc{w}\t$dst",
@@ -4875,8 +4875,8 @@
 }
 
 // INC and DEC with EFLAGS result. Note that these do not set CF.
-def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
-          (INC8r GR8:$src)>;
+def : Pat<(add GR8:$src, 1), (INC8r GR8:$src)>;
+
 def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
           (DEC8r GR8:$src)>;