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| author | Egon Elbre <egonelbre@gmail.com> | 2020-11-27 17:10:33 +0200 |
|---|---|---|
| committer | Cherry Zhang <cherryyz@google.com> | 2021-02-24 19:49:08 +0000 |
| commit | 3ee32439b5114c1fe5f04891b678613aa72e13c2 (patch) | |
| tree | 4b720a21892117f69ca39f8aca1f370a20d07e1c /src/cmd/compile/internal/ssa/opGen.go | |
| parent | 80ddc17ae1b3ffacc42c19b999956f9ccef3ddd1 (diff) | |
| download | go-3ee32439b5114c1fe5f04891b678613aa72e13c2.tar.gz go-3ee32439b5114c1fe5f04891b678613aa72e13c2.zip | |
cmd/compile: ARM64 optimize []float64 and []float32 access
Optimize load and store to []float64 and []float32.
Previously it used LSL instead of shifted register indexed load/store.
Before:
LSL $3, R0, R0
FMOVD F0, (R1)(R0)
After:
FMOVD F0, (R1)(R0<<3)
Fixes #42798
Change-Id: I0c0912140c3dce5aa6abc27097c0eb93833cc589
Reviewed-on: https://go-review.googlesource.com/c/go/+/273706
Reviewed-by: Cherry Zhang <cherryyz@google.com>
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Trust: Giovanni Bajo <rasky@develer.com>
Diffstat (limited to 'src/cmd/compile/internal/ssa/opGen.go')
| -rw-r--r-- | src/cmd/compile/internal/ssa/opGen.go | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/cmd/compile/internal/ssa/opGen.go b/src/cmd/compile/internal/ssa/opGen.go index ba170968ae..551aa725b6 100644 --- a/src/cmd/compile/internal/ssa/opGen.go +++ b/src/cmd/compile/internal/ssa/opGen.go @@ -1481,6 +1481,8 @@ const ( OpARM64MOVWloadidx4 OpARM64MOVWUloadidx4 OpARM64MOVDloadidx8 + OpARM64FMOVSloadidx4 + OpARM64FMOVDloadidx8 OpARM64MOVBstore OpARM64MOVHstore OpARM64MOVWstore @@ -1497,6 +1499,8 @@ const ( OpARM64MOVHstoreidx2 OpARM64MOVWstoreidx4 OpARM64MOVDstoreidx8 + OpARM64FMOVSstoreidx4 + OpARM64FMOVDstoreidx8 OpARM64MOVBstorezero OpARM64MOVHstorezero OpARM64MOVWstorezero @@ -19788,6 +19792,34 @@ var opcodeTable = [...]opInfo{ }, }, { + name: "FMOVSloadidx4", + argLen: 3, + asm: arm64.AFMOVS, + reg: regInfo{ + inputs: []inputInfo{ + {1, 805044223}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26 g R30 + {0, 9223372038733561855}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26 g R30 SP SB + }, + outputs: []outputInfo{ + {0, 9223372034707292160}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31 + }, + }, + }, + { + name: "FMOVDloadidx8", + argLen: 3, + asm: arm64.AFMOVD, + reg: regInfo{ + inputs: []inputInfo{ + {1, 805044223}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26 g R30 + {0, 9223372038733561855}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26 g R30 SP SB + }, + outputs: []outputInfo{ + {0, 9223372034707292160}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31 + }, + }, + }, + { name: "MOVBstore", auxType: auxSymOff, argLen: 3, @@ -19995,6 +20027,30 @@ var opcodeTable = [...]opInfo{ }, }, { + name: "FMOVSstoreidx4", + argLen: 4, + asm: arm64.AFMOVS, + reg: regInfo{ + inputs: []inputInfo{ + {1, 805044223}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26 g R30 + {0, 9223372038733561855}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26 g R30 SP SB + {2, 9223372034707292160}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31 + }, + }, + }, + { + name: "FMOVDstoreidx8", + argLen: 4, + asm: arm64.AFMOVD, + reg: regInfo{ + inputs: []inputInfo{ + {1, 805044223}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26 g R30 + {0, 9223372038733561855}, // R0 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R19 R20 R21 R22 R23 R24 R25 R26 g R30 SP SB + {2, 9223372034707292160}, // F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31 + }, + }, + }, + { name: "MOVBstorezero", auxType: auxSymOff, argLen: 2, |