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authorAnton Korobeynikov <asl@math.spbu.ru>2010-04-07 18:20:07 +0000
committerAnton Korobeynikov <asl@math.spbu.ru>2010-04-07 18:20:07 +0000
commit268b7446cfc14c35758f1b0b6b00eeaef3a43f5c (patch)
tree2836317829cf235560881432187762bbc8b585f4 /lib/Target
parenta31c6fb65e3741fc195ec7f89dc2ac4761ea298a (diff)
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Some easy NEON scheduling goodness for A9
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100651 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
-rw-r--r--lib/Target/ARM/ARMScheduleV7.td54
1 files changed, 53 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMScheduleV7.td b/lib/Target/ARM/ARMScheduleV7.td
index 77142ce..5397320 100644
--- a/lib/Target/ARM/ARMScheduleV7.td
+++ b/lib/Target/ARM/ARMScheduleV7.td
@@ -780,7 +780,59 @@ def CortexA9Itineraries : ProcessorItineraries<[
InstrItinData<IIC_fpMOVDI, [InstrStage2<1, [FU_DRegsVFP], 0, Required>,
InstrStage2<2, [FU_DRegsN], 0, Reserved>,
InstrStage<1, [FU_Pipe0, FU_Pipe1]>,
- InstrStage<1, [FU_NPipe]>], [1, 1, 1]>
+ InstrStage<1, [FU_NPipe]>], [1, 1, 1]>,
+ // NEON
+ // Issue through integer pipeline, and execute in NEON unit.
+
+ //
+ // Double-register Integer Binary
+ InstrItinData<IIC_VBINiD, [InstrStage2<1, [FU_DRegsN], 0, Required>,
+ // Extra 3 latency cycle since wbck is 6 cycles
+ InstrStage2<7, [FU_DRegsVFP], 0, Reserved>,
+ InstrStage<1, [FU_Pipe0, FU_Pipe1]>,
+ InstrStage<1, [FU_NPipe]>], [3, 2, 2]>,
+ //
+ // Quad-register Integer Binary
+ InstrItinData<IIC_VBINiQ, [InstrStage2<1, [FU_DRegsN], 0, Required>,
+ // Extra 3 latency cycle since wbck is 6 cycles
+ InstrStage2<7, [FU_DRegsVFP], 0, Reserved>,
+ InstrStage<1, [FU_Pipe0, FU_Pipe1]>,
+ InstrStage<1, [FU_NPipe]>], [3, 2, 2]>,
+ //
+ // Double-register Integer Subtract
+ InstrItinData<IIC_VSUBiD, [InstrStage2<1, [FU_DRegsN], 0, Required>,
+ // Extra 3 latency cycle since wbck is 6 cycles
+ InstrStage2<7, [FU_DRegsVFP], 0, Reserved>,
+ InstrStage<1, [FU_Pipe0, FU_Pipe1]>,
+ InstrStage<1, [FU_NPipe]>], [3, 2, 1]>,
+ //
+ // Quad-register Integer Subtract
+ InstrItinData<IIC_VSUBiQ, [InstrStage2<1, [FU_DRegsN], 0, Required>,
+ // Extra 3 latency cycle since wbck is 6 cycles
+ InstrStage2<7, [FU_DRegsVFP], 0, Reserved>,
+ InstrStage<1, [FU_Pipe0, FU_Pipe1]>,
+ InstrStage<1, [FU_NPipe]>], [3, 2, 1]>,
+ //
+ // Double-register Integer Shift
+ InstrItinData<IIC_VSHLiD, [InstrStage2<1, [FU_DRegsN], 0, Required>,
+ // Extra 3 latency cycle since wbck is 6 cycles
+ InstrStage2<7, [FU_DRegsVFP], 0, Reserved>,
+ InstrStage<1, [FU_Pipe0, FU_Pipe1]>,
+ InstrStage<1, [FU_NPipe]>], [3, 1, 1]>,
+ //
+ // Double-register Integer Binary (4 cycle)
+ InstrItinData<IIC_VBINi4D, [InstrStage2<1, [FU_DRegsN], 0, Required>,
+ // Extra 3 latency cycle since wbck is 6 cycles
+ InstrStage2<7, [FU_DRegsVFP], 0, Reserved>,
+ InstrStage<1, [FU_Pipe0, FU_Pipe1]>,
+ InstrStage<1, [FU_NPipe]>], [4, 2, 2]>,
+ //
+ // Quad-register Integer Binary (4 cycle)
+ InstrItinData<IIC_VBINi4Q, [InstrStage2<1, [FU_DRegsN], 0, Required>,
+ // Extra 3 latency cycle since wbck is 6 cycles
+ InstrStage2<7, [FU_DRegsVFP], 0, Reserved>,
+ InstrStage<1, [FU_Pipe0, FU_Pipe1]>,
+ InstrStage<1, [FU_NPipe]>], [4, 2, 2]>
]>;