[llvm-commits] [llvm] r76032 - /llvm/trunk/lib/Target/SystemZ/SystemZInstrFP.td

[Anton Korobeynikov]

Author: asl
Date: Thu Jul 16 09:23:44 2009
New Revision: 76032

URL: http://llvm.org/viewvc/llvm-project?rev=76032&view=rev
Log:
Add LOAD NEGATIVE instruction

Modified:
    llvm/trunk/lib/Target/SystemZ/SystemZInstrFP.td

Modified: llvm/trunk/lib/Target/SystemZ/SystemZInstrFP.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZInstrFP.td?rev=76032&r1=76031&r2=76032&view=diff

==============================================================================
--- llvm/trunk/lib/Target/SystemZ/SystemZInstrFP.td (original)
+++ llvm/trunk/lib/Target/SystemZ/SystemZInstrFP.td Thu Jul 16 09:23:44 2009
@@ -82,7 +82,6 @@
 
 let isTwoAddress = 1 in {
 let Defs = [PSW] in {
-// FIXME: Add peephole for fneg(fabs) => load negative
 
 def FABS32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src),
                        "lpebr\t{$dst}",
@@ -93,6 +92,15 @@
                        [(set FP64:$dst, (fabs FP64:$src)),
                         (implicit PSW)]>;
 
+def FNABS32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src),
+                       "lnebr\t{$dst}",
+                       [(set FP32:$dst, (fneg(fabs FP32:$src))),
+                        (implicit PSW)]>;
+def FNABS64rr : Pseudo<(outs FP64:$dst), (ins FP64:$src),
+                       "lndbr\t{$dst}",
+                       [(set FP64:$dst, (fneg(fabs FP64:$src))),
+                        (implicit PSW)]>;
+
 let isCommutable = 1 in { // X = ADD Y, Z  == X = ADD Z, Y
 def FADD32rr : Pseudo<(outs FP32:$dst), (ins FP32:$src1, FP32:$src2),
                        "aebr\t{$dst, $src2}",