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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2010-04-07 18:21:27 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2010-04-07 18:21:27 +0000 |
| commit | 924369d58ea6641419e4e38963ff39afad8098e8 (patch) | |
| tree | faa5ff0b1b060646755af6cfc1c04b67f7094d48 /lib/Target | |
| parent | ec69dfa7ca9ccd5b8d13594ad8655909920f9462 (diff) | |
| download | external_llvm-924369d58ea6641419e4e38963ff39afad8098e8.zip external_llvm-924369d58ea6641419e4e38963ff39afad8098e8.tar.gz external_llvm-924369d58ea6641419e4e38963ff39afad8098e8.tar.bz2 | |
A9 NEON FP itins
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100665 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/ARM/ARMScheduleV7.td | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMScheduleV7.td b/lib/Target/ARM/ARMScheduleV7.td index 677b4e9..ffec43e 100644 --- a/lib/Target/ARM/ARMScheduleV7.td +++ b/lib/Target/ARM/ARMScheduleV7.td @@ -1018,6 +1018,72 @@ def CortexA9Itineraries : ProcessorItineraries<[ InstrStage<1, [FU_Pipe0, FU_Pipe1]>, InstrStage<4, [FU_NPipe]>], [9, 3, 2, 1]>, // + // Double-register FP Unary + InstrItinData<IIC_VUNAD, [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]>], [5, 2]>, + // + // Quad-register FP Unary + // Result written in N5, but that is relative to the last cycle of multicycle, + // so we use 6 for those cases + InstrItinData<IIC_VUNAQ, [InstrStage2<1, [FU_DRegsN], 0, Required>, + // Extra 3 latency cycle since wbck is 7 cycles + InstrStage2<8, [FU_DRegsVFP], 0, Reserved>, + InstrStage<1, [FU_Pipe0, FU_Pipe1]>, + InstrStage<2, [FU_NPipe]>], [6, 2]>, + // + // Double-register FP Binary + // FIXME: We're using this itin for many instructions and [2, 2] here is too + // optimistic. + InstrItinData<IIC_VBIND, [InstrStage2<1, [FU_DRegsN], 0, Required>, + // Extra 3 latency cycle since wbck is 7 cycles + InstrStage2<7, [FU_DRegsVFP], 0, Reserved>, + InstrStage<1, [FU_Pipe0, FU_Pipe1]>, + InstrStage<1, [FU_NPipe]>], [5, 2, 2]>, + // + // Quad-register FP Binary + // Result written in N5, but that is relative to the last cycle of multicycle, + // so we use 6 for those cases + // FIXME: We're using this itin for many instructions and [2, 2] here is too + // optimistic. + InstrItinData<IIC_VBINQ, [InstrStage2<1, [FU_DRegsN], 0, Required>, + // Extra 3 latency cycle since wbck is 8 cycles + InstrStage2<8, [FU_DRegsVFP], 0, Reserved>, + InstrStage<1, [FU_Pipe0, FU_Pipe1]>, + InstrStage<2, [FU_NPipe]>], [6, 2, 2]>, + // + // Double-register FP Multiple-Accumulate + InstrItinData<IIC_VMACD, [InstrStage2<1, [FU_DRegsN], 0, Required>, + // Extra 3 latency cycle since wbck is 7 cycles + InstrStage2<8, [FU_DRegsVFP], 0, Reserved>, + InstrStage<1, [FU_Pipe0, FU_Pipe1]>, + InstrStage<2, [FU_NPipe]>], [6, 3, 2, 1]>, + // + // Quad-register FP Multiple-Accumulate + // Result written in N9, but that is relative to the last cycle of multicycle, + // so we use 10 for those cases + InstrItinData<IIC_VMACQ, [InstrStage2<1, [FU_DRegsN], 0, Required>, + // Extra 3 latency cycle since wbck is 9 cycles + InstrStage2<10, [FU_DRegsVFP], 0, Reserved>, + InstrStage<1, [FU_Pipe0, FU_Pipe1]>, + InstrStage<4, [FU_NPipe]>], [8, 4, 2, 1]>, + // + // Double-register Reciprical Step + InstrItinData<IIC_VRECSD, [InstrStage2<1, [FU_DRegsN], 0, Required>, + // Extra 3 latency cycle since wbck is 7 cycles + InstrStage2<8, [FU_DRegsVFP], 0, Reserved>, + InstrStage<1, [FU_Pipe0, FU_Pipe1]>, + InstrStage<2, [FU_NPipe]>], [6, 2, 2]>, + // + // Quad-register Reciprical Step + InstrItinData<IIC_VRECSQ, [InstrStage2<1, [FU_DRegsN], 0, Required>, + // Extra 3 latency cycle since wbck is 9 cycles + InstrStage2<10, [FU_DRegsVFP], 0, Reserved>, + InstrStage<1, [FU_Pipe0, FU_Pipe1]>, + InstrStage<4, [FU_NPipe]>], [8, 2, 2]>, + // // Double-register Permute InstrItinData<IIC_VPERMD, [InstrStage2<1, [FU_DRegsN], 0, Required>, // Extra 3 latency cycle since wbck is 6 cycles |