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cmd/compile: implement compiler for riscv64

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Based on riscv-go port.

Updates #27532

Change-Id: Ia329daa243db63ff334053b8807ea96b97ce3acf
Reviewed-on: https://go-review.googlesource.com/c/go/+/204631
Run-TryBot: Joel Sing <joel@sing.id.au>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>
This commit is contained in:
Joel Sing 2019-11-04 04:40:47 +11:00
parent 91d75f4e4c
commit 98d2717499
17 changed files with 8511 additions and 12 deletions
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10
src/cmd/compile/internal/ssa/config.go
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@ -305,6 +305,16 @@ func NewConfig(arch string, types Types, ctxt *obj.Link, optimize bool) *Config
c.LinkReg = linkRegMIPS
c.hasGReg = true
c.noDuffDevice = true
case "riscv64":
c.PtrSize = 8
c.RegSize = 8
c.lowerBlock = rewriteBlockRISCV64
c.lowerValue = rewriteValueRISCV64
c.registers = registersRISCV64[:]
c.gpRegMask = gpRegMaskRISCV64
c.fpRegMask = fpRegMaskRISCV64
c.FPReg = framepointerRegRISCV64
c.hasGReg = true
case "wasm":
c.PtrSize = 8
c.RegSize = 8