[llvm-commits] [llvm] r78085 - in /llvm/trunk: lib/Target/ARM/ARMInstrNEON.td lib/Target/ARM/ARMInstrVFP.td test/CodeGen/ARM/fnmacs.ll

[David Goodwin]

Author: david_goodwin
Date: Tue Aug  4 13:44:29 2009
New Revision: 78085

URL: http://llvm.org/viewvc/llvm-project?rev=78085&view=rev
Log:
Match common pattern for FNMAC. Add NEON SP support.

Modified:
    llvm/trunk/lib/Target/ARM/ARMInstrNEON.td
    llvm/trunk/lib/Target/ARM/ARMInstrVFP.td
    llvm/trunk/test/CodeGen/ARM/fnmacs.ll

Modified: llvm/trunk/lib/Target/ARM/ARMInstrNEON.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrNEON.td?rev=78085&r1=78084&r2=78085&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrNEON.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrNEON.td Tue Aug  4 13:44:29 2009
@@ -953,6 +953,7 @@
 
 // Vector Multiply-Accumulate/Subtract used for single-precision FP
 def : N3VDMulOps<fmul, fadd, VMLAfd>;
+def : N3VDMulOps<fmul, fsub, VMLSfd>;
 
 // Vector Subtract Operations.
 

Modified: llvm/trunk/lib/Target/ARM/ARMInstrVFP.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrVFP.td?rev=78085&r1=78084&r2=78085&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrVFP.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrVFP.td Tue Aug  4 13:44:29 2009
@@ -346,6 +346,11 @@
   let Inst{6} = 1;
 }
 
+def : Pat<(fsub DPR:$dstin, (fmul DPR:$a, DPR:$b)),
+          (FNMACD DPR:$dstin, DPR:$a, DPR:$b)>, Requires<[DontUseNEONForFP]>;
+def : Pat<(fsub SPR:$dstin, (fmul SPR:$a, SPR:$b)),
+          (FNMACS SPR:$dstin, SPR:$a, SPR:$b)>, Requires<[DontUseNEONForFP]>;
+
 def FNMSCD : ADbI<0b11100001, (outs DPR:$dst), (ins DPR:$dstin, DPR:$a, DPR:$b),
                  "fnmscd", " $dst, $a, $b",
              [(set DPR:$dst, (fsub (fneg (fmul DPR:$a, DPR:$b)), DPR:$dstin))]>,

Modified: llvm/trunk/test/CodeGen/ARM/fnmacs.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/fnmacs.ll?rev=78085&r1=78084&r2=78085&view=diff

==============================================================================
--- llvm/trunk/test/CodeGen/ARM/fnmacs.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/fnmacs.ll Tue Aug  4 13:44:29 2009
@@ -1,4 +1,3 @@
-; XFAIL: *
 ; RUN: llvm-as < %s | llc -march=arm -mattr=+vfp2 | grep -E {fnmacs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1
 ; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,+neonfp | grep -E {vmls.f32\\W*d\[0-9\]+,\\W*d\[0-9\]+,\\W*d\[0-9\]+} | count 1
 ; RUN: llvm-as < %s | llc -march=arm -mattr=+neon,-neonfp | grep -E {fnmacs\\W*s\[0-9\]+,\\W*s\[0-9\]+,\\W*s\[0-9\]+} | count 1