[llvm-commits] [llvm] r129771 - /llvm/trunk/lib/Target/ARM/ARMInstrVFP.td

[Bob Wilson]

Author: bwilson
Date: Tue Apr 19 13:11:38 2011
New Revision: 129771

URL: http://llvm.org/viewvc/llvm-project?rev=129771&view=rev
Log:
Some single-precision VFP instructions can execute in either the VPF or Neon
pipelines, at least on Cortex-A9.

Modified:
    llvm/trunk/lib/Target/ARM/ARMInstrVFP.td

Modified: llvm/trunk/lib/Target/ARM/ARMInstrVFP.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrVFP.td?rev=129771&r1=129770&r2=129771&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrVFP.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrVFP.td Tue Apr 19 13:11:38 2011
@@ -447,6 +447,10 @@
 
   let Inst{6-5}   = 0b00;
   let Inst{3-0}   = 0b0000;
+
+  // Some single precision VFP instructions may be executed on both NEON and VFP
+  // pipelines.
+  let D = VFPNeonDomain;
 }
 
 def VMOVSR : AVConv4I<0b11100000, 0b1010,
@@ -464,6 +468,10 @@
 
   let Inst{6-5}   = 0b00;
   let Inst{3-0}   = 0b0000;
+
+  // Some single precision VFP instructions may be executed on both NEON and VFP
+  // pipelines.
+  let D = VFPNeonDomain;
 }
 
 let neverHasSideEffects = 1 in {
@@ -483,6 +491,10 @@
   let Inst{19-16} = Rt2;
 
   let Inst{7-6} = 0b00;
+
+  // Some single precision VFP instructions may be executed on both NEON and VFP
+  // pipelines.
+  let D = VFPNeonDomain;
 }
 
 def VMOVRRS  : AVConv3I<0b11000101, 0b1010,
@@ -490,6 +502,10 @@
                  IIC_fpMOVDI, "vmov", "\t$wb, $dst2, $src1, $src2",
                  [/* For disassembly only; pattern left blank */]> {
   let Inst{7-6} = 0b00;
+
+  // Some single precision VFP instructions may be executed on both NEON and VFP
+  // pipelines.
+  let D = VFPNeonDomain;
 }
 } // neverHasSideEffects
 
@@ -512,6 +528,10 @@
   let Inst{19-16} = Rt2;
 
   let Inst{7-6}   = 0b00;
+
+  // Some single precision VFP instructions may be executed on both NEON and VFP
+  // pipelines.
+  let D = VFPNeonDomain;
 }
 
 let neverHasSideEffects = 1 in
@@ -520,6 +540,10 @@
                 IIC_fpMOVID, "vmov", "\t$dst1, $dst2, $src1, $src2",
                 [/* For disassembly only; pattern left blank */]> {
   let Inst{7-6} = 0b00;
+
+  // Some single precision VFP instructions may be executed on both NEON and VFP
+  // pipelines.
+  let D = VFPNeonDomain;
 }
 
 // FMRDH: SPR -> GPR