mirror of
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[dev.regabi] cmd/compile: split out package ssagen [generated]
[git-generate] cd src/cmd/compile/internal/gc rf ' # maxOpenDefers is declared in ssa.go but used only by walk. mv maxOpenDefers walk.go # gc.Arch -> ssagen.Arch # It is not as nice but will do for now. mv Arch ArchInfo mv thearch Arch mv Arch ArchInfo arch.go # Pull dwarf out of pgen.go. mv debuginfo declPos createDwarfVars preInliningDcls \ createSimpleVars createSimpleVar \ createComplexVars createComplexVar \ dwarf.go # Pull high-level compilation out of pgen.go, # leaving only the SSA code. mv compilequeue funccompile compile compilenow \ compileFunctions isInlinableButNotInlined \ initLSym \ compile.go mv BoundsCheckFunc GCWriteBarrierReg ssa.go mv largeStack largeStackFrames CheckLargeStacks pgen.go # All that is left in dcl.go is the nowritebarrierrecCheck mv dcl.go nowb.go # Export API and unexport non-API. mv initssaconfig InitConfig mv isIntrinsicCall IsIntrinsicCall mv ssaDumpInline DumpInline mv initSSATables InitTables mv initSSAEnv InitEnv mv compileSSA Compile mv stackOffset StackOffset mv canSSAType TypeOK mv SSAGenState State mv FwdRefAux fwdRefAux mv cgoSymABIs CgoSymABIs mv readSymABIs ReadSymABIs mv initLSym InitLSym mv useABIWrapGen symabiDefs CgoSymABIs ReadSymABIs InitLSym selectLSym makeABIWrapper setupTextLSym abi.go mv arch.go abi.go nowb.go phi.go pgen.go pgen_test.go ssa.go cmd/compile/internal/ssagen ' rm go.go gsubr.go Change-Id: I47fad6cbf1d1e583fd9139003a08401d7cd048a1 Reviewed-on: https://go-review.googlesource.com/c/go/+/279476 Trust: Russ Cox <rsc@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com>
This commit is contained in:
Russ Cox
parent
de65151e50
commit
6c34d2f420
35 changed files with 1202 additions and 1181 deletions
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@ -9,17 +9,17 @@ import (
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"math"
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"cmd/compile/internal/base"
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"cmd/compile/internal/gc"
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"cmd/compile/internal/ir"
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"cmd/compile/internal/logopt"
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"cmd/compile/internal/ssa"
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"cmd/compile/internal/ssagen"
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"cmd/compile/internal/types"
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"cmd/internal/obj"
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"cmd/internal/obj/x86"
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)
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// markMoves marks any MOVXconst ops that need to avoid clobbering flags.
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func ssaMarkMoves(s *gc.SSAGenState, b *ssa.Block) {
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func ssaMarkMoves(s *ssagen.State, b *ssa.Block) {
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flive := b.FlagsLiveAtEnd
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for _, c := range b.ControlValues() {
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flive = c.Type.IsFlags() || flive
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@ -109,7 +109,7 @@ func moveByType(t *types.Type) obj.As {
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// dest := dest(To) op src(From)
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// and also returns the created obj.Prog so it
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// may be further adjusted (offset, scale, etc).
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func opregreg(s *gc.SSAGenState, op obj.As, dest, src int16) *obj.Prog {
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func opregreg(s *ssagen.State, op obj.As, dest, src int16) *obj.Prog {
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p := s.Prog(op)
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p.From.Type = obj.TYPE_REG
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p.To.Type = obj.TYPE_REG
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@ -118,7 +118,7 @@ func opregreg(s *gc.SSAGenState, op obj.As, dest, src int16) *obj.Prog {
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return p
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}
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func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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func ssaGenValue(s *ssagen.State, v *ssa.Value) {
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switch v.Op {
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case ssa.Op386ADDL:
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r := v.Reg()
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@ -406,14 +406,14 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p.From.Type = obj.TYPE_MEM
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p.From.Reg = r
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p.From.Index = i
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gc.AddAux(&p.From, v)
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ssagen.AddAux(&p.From, v)
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p.To.Type = obj.TYPE_REG
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p.To.Reg = v.Reg()
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case ssa.Op386LEAL:
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p := s.Prog(x86.ALEAL)
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p.From.Type = obj.TYPE_MEM
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p.From.Reg = v.Args[0].Reg()
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gc.AddAux(&p.From, v)
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ssagen.AddAux(&p.From, v)
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p.To.Type = obj.TYPE_REG
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p.To.Reg = v.Reg()
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case ssa.Op386CMPL, ssa.Op386CMPW, ssa.Op386CMPB,
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@ -439,7 +439,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p := s.Prog(v.Op.Asm())
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p.From.Type = obj.TYPE_MEM
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p.From.Reg = v.Args[0].Reg()
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gc.AddAux(&p.From, v)
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ssagen.AddAux(&p.From, v)
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p.To.Type = obj.TYPE_REG
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p.To.Reg = v.Args[1].Reg()
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case ssa.Op386CMPLconstload, ssa.Op386CMPWconstload, ssa.Op386CMPBconstload:
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@ -447,7 +447,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p := s.Prog(v.Op.Asm())
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p.From.Type = obj.TYPE_MEM
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p.From.Reg = v.Args[0].Reg()
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gc.AddAux2(&p.From, v, sc.Off())
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ssagen.AddAux2(&p.From, v, sc.Off())
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p.To.Type = obj.TYPE_CONST
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p.To.Offset = sc.Val()
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case ssa.Op386MOVLconst:
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@ -499,7 +499,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p := s.Prog(v.Op.Asm())
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p.From.Type = obj.TYPE_MEM
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p.From.Reg = v.Args[0].Reg()
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gc.AddAux(&p.From, v)
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ssagen.AddAux(&p.From, v)
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p.To.Type = obj.TYPE_REG
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p.To.Reg = v.Reg()
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case ssa.Op386MOVBloadidx1, ssa.Op386MOVWloadidx1, ssa.Op386MOVLloadidx1, ssa.Op386MOVSSloadidx1, ssa.Op386MOVSDloadidx1,
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@ -523,7 +523,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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}
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p.From.Reg = r
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p.From.Index = i
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gc.AddAux(&p.From, v)
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ssagen.AddAux(&p.From, v)
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p.To.Type = obj.TYPE_REG
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p.To.Reg = v.Reg()
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case ssa.Op386ADDLloadidx4, ssa.Op386SUBLloadidx4, ssa.Op386MULLloadidx4,
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@ -533,7 +533,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p.From.Reg = v.Args[1].Reg()
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p.From.Index = v.Args[2].Reg()
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p.From.Scale = 4
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gc.AddAux(&p.From, v)
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ssagen.AddAux(&p.From, v)
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p.To.Type = obj.TYPE_REG
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p.To.Reg = v.Reg()
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if v.Reg() != v.Args[0].Reg() {
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@ -546,7 +546,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p := s.Prog(v.Op.Asm())
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p.From.Type = obj.TYPE_MEM
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p.From.Reg = v.Args[1].Reg()
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gc.AddAux(&p.From, v)
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ssagen.AddAux(&p.From, v)
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p.To.Type = obj.TYPE_REG
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p.To.Reg = v.Reg()
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if v.Reg() != v.Args[0].Reg() {
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@ -559,7 +559,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p.From.Reg = v.Args[1].Reg()
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p.To.Type = obj.TYPE_MEM
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p.To.Reg = v.Args[0].Reg()
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gc.AddAux(&p.To, v)
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ssagen.AddAux(&p.To, v)
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case ssa.Op386ADDLconstmodify:
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sc := v.AuxValAndOff()
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val := sc.Val()
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@ -573,7 +573,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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off := sc.Off()
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p.To.Type = obj.TYPE_MEM
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p.To.Reg = v.Args[0].Reg()
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gc.AddAux2(&p.To, v, off)
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ssagen.AddAux2(&p.To, v, off)
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break
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}
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fallthrough
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@ -586,7 +586,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p.From.Offset = val
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p.To.Type = obj.TYPE_MEM
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p.To.Reg = v.Args[0].Reg()
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gc.AddAux2(&p.To, v, off)
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ssagen.AddAux2(&p.To, v, off)
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case ssa.Op386MOVBstoreidx1, ssa.Op386MOVWstoreidx1, ssa.Op386MOVLstoreidx1, ssa.Op386MOVSSstoreidx1, ssa.Op386MOVSDstoreidx1,
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ssa.Op386MOVSDstoreidx8, ssa.Op386MOVSSstoreidx4, ssa.Op386MOVLstoreidx4, ssa.Op386MOVWstoreidx2,
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ssa.Op386ADDLmodifyidx4, ssa.Op386SUBLmodifyidx4, ssa.Op386ANDLmodifyidx4, ssa.Op386ORLmodifyidx4, ssa.Op386XORLmodifyidx4:
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@ -612,7 +612,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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}
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p.To.Reg = r
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p.To.Index = i
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gc.AddAux(&p.To, v)
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ssagen.AddAux(&p.To, v)
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case ssa.Op386MOVLstoreconst, ssa.Op386MOVWstoreconst, ssa.Op386MOVBstoreconst:
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p := s.Prog(v.Op.Asm())
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p.From.Type = obj.TYPE_CONST
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@ -620,7 +620,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p.From.Offset = sc.Val()
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p.To.Type = obj.TYPE_MEM
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p.To.Reg = v.Args[0].Reg()
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gc.AddAux2(&p.To, v, sc.Off())
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ssagen.AddAux2(&p.To, v, sc.Off())
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case ssa.Op386ADDLconstmodifyidx4:
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sc := v.AuxValAndOff()
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val := sc.Val()
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@ -636,7 +636,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p.To.Reg = v.Args[0].Reg()
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p.To.Scale = 4
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p.To.Index = v.Args[1].Reg()
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gc.AddAux2(&p.To, v, off)
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ssagen.AddAux2(&p.To, v, off)
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break
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}
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fallthrough
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@ -663,7 +663,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p.To.Type = obj.TYPE_MEM
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p.To.Reg = r
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p.To.Index = i
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gc.AddAux2(&p.To, v, sc.Off())
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ssagen.AddAux2(&p.To, v, sc.Off())
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case ssa.Op386MOVWLSX, ssa.Op386MOVBLSX, ssa.Op386MOVWLZX, ssa.Op386MOVBLZX,
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ssa.Op386CVTSL2SS, ssa.Op386CVTSL2SD,
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ssa.Op386CVTTSS2SL, ssa.Op386CVTTSD2SL,
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@ -695,7 +695,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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return
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}
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p := s.Prog(loadByType(v.Type))
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gc.AddrAuto(&p.From, v.Args[0])
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ssagen.AddrAuto(&p.From, v.Args[0])
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p.To.Type = obj.TYPE_REG
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p.To.Reg = v.Reg()
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@ -707,10 +707,10 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p := s.Prog(storeByType(v.Type))
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p.From.Type = obj.TYPE_REG
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p.From.Reg = v.Args[0].Reg()
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gc.AddrAuto(&p.To, v)
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ssagen.AddrAuto(&p.To, v)
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case ssa.Op386LoweredGetClosurePtr:
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// Closure pointer is DX.
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gc.CheckLoweredGetClosurePtr(v)
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ssagen.CheckLoweredGetClosurePtr(v)
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case ssa.Op386LoweredGetG:
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r := v.Reg()
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// See the comments in cmd/internal/obj/x86/obj6.go
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@ -766,14 +766,14 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p := s.Prog(obj.ACALL)
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p.To.Type = obj.TYPE_MEM
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p.To.Name = obj.NAME_EXTERN
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p.To.Sym = gc.BoundsCheckFunc[v.AuxInt]
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p.To.Sym = ssagen.BoundsCheckFunc[v.AuxInt]
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s.UseArgs(8) // space used in callee args area by assembly stubs
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case ssa.Op386LoweredPanicExtendA, ssa.Op386LoweredPanicExtendB, ssa.Op386LoweredPanicExtendC:
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p := s.Prog(obj.ACALL)
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p.To.Type = obj.TYPE_MEM
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p.To.Name = obj.NAME_EXTERN
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p.To.Sym = gc.ExtendCheckFunc[v.AuxInt]
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p.To.Sym = ssagen.ExtendCheckFunc[v.AuxInt]
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s.UseArgs(12) // space used in callee args area by assembly stubs
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case ssa.Op386CALLstatic, ssa.Op386CALLclosure, ssa.Op386CALLinter:
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@ -848,7 +848,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p.From.Reg = x86.REG_AX
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p.To.Type = obj.TYPE_MEM
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p.To.Reg = v.Args[0].Reg()
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gc.AddAux(&p.To, v)
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ssagen.AddAux(&p.To, v)
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if logopt.Enabled() {
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logopt.LogOpt(v.Pos, "nilcheck", "genssa", v.Block.Func.Name)
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}
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@ -861,7 +861,7 @@ func ssaGenValue(s *gc.SSAGenState, v *ssa.Value) {
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p.From.Offset = 0xdeaddead
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p.To.Type = obj.TYPE_MEM
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p.To.Reg = x86.REG_SP
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gc.AddAux(&p.To, v)
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ssagen.AddAux(&p.To, v)
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default:
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v.Fatalf("genValue not implemented: %s", v.LongString())
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}
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@ -886,22 +886,22 @@ var blockJump = [...]struct {
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ssa.Block386NAN: {x86.AJPS, x86.AJPC},
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}
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var eqfJumps = [2][2]gc.IndexJump{
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var eqfJumps = [2][2]ssagen.IndexJump{
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{{Jump: x86.AJNE, Index: 1}, {Jump: x86.AJPS, Index: 1}}, // next == b.Succs[0]
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{{Jump: x86.AJNE, Index: 1}, {Jump: x86.AJPC, Index: 0}}, // next == b.Succs[1]
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}
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var nefJumps = [2][2]gc.IndexJump{
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var nefJumps = [2][2]ssagen.IndexJump{
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{{Jump: x86.AJNE, Index: 0}, {Jump: x86.AJPC, Index: 1}}, // next == b.Succs[0]
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{{Jump: x86.AJNE, Index: 0}, {Jump: x86.AJPS, Index: 0}}, // next == b.Succs[1]
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}
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func ssaGenBlock(s *gc.SSAGenState, b, next *ssa.Block) {
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func ssaGenBlock(s *ssagen.State, b, next *ssa.Block) {
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switch b.Kind {
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case ssa.BlockPlain:
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if b.Succs[0].Block() != next {
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p := s.Prog(obj.AJMP)
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p.To.Type = obj.TYPE_BRANCH
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s.Branches = append(s.Branches, gc.Branch{P: p, B: b.Succs[0].Block()})
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s.Branches = append(s.Branches, ssagen.Branch{P: p, B: b.Succs[0].Block()})
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}
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case ssa.BlockDefer:
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// defer returns in rax:
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@ -914,11 +914,11 @@ func ssaGenBlock(s *gc.SSAGenState, b, next *ssa.Block) {
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p.To.Reg = x86.REG_AX
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p = s.Prog(x86.AJNE)
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p.To.Type = obj.TYPE_BRANCH
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s.Branches = append(s.Branches, gc.Branch{P: p, B: b.Succs[1].Block()})
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s.Branches = append(s.Branches, ssagen.Branch{P: p, B: b.Succs[1].Block()})
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if b.Succs[0].Block() != next {
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p := s.Prog(obj.AJMP)
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p.To.Type = obj.TYPE_BRANCH
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s.Branches = append(s.Branches, gc.Branch{P: p, B: b.Succs[0].Block()})
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s.Branches = append(s.Branches, ssagen.Branch{P: p, B: b.Succs[0].Block()})
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}
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case ssa.BlockExit:
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case ssa.BlockRet:
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