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cmd/compile/internal: add ABI register info for riscv64 

This CL adds register information for riscv64

Updates #40724

Change-Id: If2275d9135596ff856d096881e4fe8bd1eeaacb2
Reviewed-on: https://go-review.googlesource.com/c/go/+/359337
Trust: mzh <mzh@golangcn.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: mzh <mzh@golangcn.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Meng Zhuo 2021-10-28 15:22:26 +08:00 committed by mzh
parent 7ca6902c17
commit caf5cd9da8
4 changed files with 10 additions and 2 deletions
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2
src/cmd/compile/internal/riscv64/ssa.go
View File

@ -230,6 +230,8 @@ func ssaGenValue(s *ssagen.State, v *ssa.Value) {
p.From.Type = obj.TYPE_REG
p.From.Reg = v.Args[0].Reg()
ssagen.AddrAuto(&p.To, v)
case ssa.OpArgIntReg, ssa.OpArgFloatReg:
ssagen.CheckArgReg(v)
case ssa.OpSP, ssa.OpSB, ssa.OpGetG:
// nothing to do
case ssa.OpRISCV64MOVBreg, ssa.OpRISCV64MOVHreg, ssa.OpRISCV64MOVWreg,

2
src/cmd/compile/internal/ssa/config.go
View File

@ -296,6 +296,8 @@ func NewConfig(arch string, types Types, ctxt *obj.Link, optimize, softfloat boo
c.registers = registersRISCV64[:]
c.gpRegMask = gpRegMaskRISCV64
c.fpRegMask = fpRegMaskRISCV64
// c.intParamRegs = paramIntRegRISCV64
// c.floatParamRegs = paramFloatRegRISCV64
c.FPReg = framepointerRegRISCV64
c.hasGReg = true
case "wasm":

4
src/cmd/compile/internal/ssa/gen/RISCV64Ops.go
View File

@ -477,5 +477,9 @@ func init() {
gpregmask: gpMask,
fpregmask: fpMask,
framepointerreg: -1, // not used
// Integer parameters passed in register X10-X17, X8-X9, X18-X23
ParamIntRegNames: "X10 X11 X12 X13 X14 X15 X16 X17 X8 X9 X18 X19 X20 X21 X22 X23",
// Float parameters passed in register F10-F17, F8-F9, F18-F23
ParamFloatRegNames: "F10 F11 F12 F13 F14 F15 F16 F17 F8 F9 F18 F19 F20 F21 F22 F23",
})
}

4
src/cmd/compile/internal/ssa/opGen.go
View File

@ -37356,8 +37356,8 @@ var registersRISCV64 = [...]Register{
{62, riscv.REG_F31, -1, "F31"},
{63, 0, -1, "SB"},
}
var paramIntRegRISCV64 = []int8(nil)
var paramFloatRegRISCV64 = []int8(nil)
var paramIntRegRISCV64 = []int8{9, 10, 11, 12, 13, 14, 15, 16, 7, 8, 17, 18, 19, 20, 21, 22}
var paramFloatRegRISCV64 = []int8{41, 42, 43, 44, 45, 46, 47, 48, 39, 40, 49, 50, 51, 52, 53, 54}
var gpRegMaskRISCV64 = regMask(1006632944)
var fpRegMaskRISCV64 = regMask(9223372034707292160)
var specialRegMaskRISCV64 = regMask(0)