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cmd/compile: remove more dead code

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Change-Id: I0131b0d7421ff1397f16a08eff758250abbdf8e2
Reviewed-on: https://go-review.googlesource.com/29239
Reviewed-by: Dave Cheney <dave@cheney.net>
This commit is contained in:
Matthew Dempsky 2016-09-15 16:21:56 -07:00
parent e888b81a11
commit ae7e0ad7b8
5 changed files with 2 additions and 81 deletions
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12
src/cmd/compile/internal/amd64/prog.go
View File

@ -274,18 +274,6 @@ var progtable = [x86.ALAST & obj.AMask]obj.ProgInfo{
x86.AXORPS & obj.AMask: {Flags: gc.LeftRead | RightRdwr},
}
func progflags(p *obj.Prog) uint32 {
flags := progtable[p.As&obj.AMask].Flags
if flags&gc.ImulAXDX != 0 && p.To.Type != obj.TYPE_NONE {
flags |= RightRdwr
}
return flags
}
func progcarryflags(p *obj.Prog) uint32 {
return progtable[p.As&obj.AMask].Flags
}
func proginfo(p *obj.Prog) {
info := &p.Info
*info = progtable[p.As&obj.AMask]

24
src/cmd/compile/internal/arm/gsubr.go
View File

@ -30,31 +30,9 @@
package arm
import (
"cmd/compile/internal/gc"
"cmd/internal/obj"
"cmd/internal/obj/arm"
)
import "cmd/internal/obj/arm"
var resvd = []int{
arm.REG_R9, // formerly reserved for m; might be okay to reuse now; not sure about NaCl
arm.REG_R10, // reserved for g
}
/*
* insert n into reg slot of p
*/
func raddr(n *gc.Node, p *obj.Prog) {
var a obj.Addr
gc.Naddr(&a, n)
if a.Type != obj.TYPE_REG {
if n != nil {
gc.Fatalf("bad in raddr: %v", n.Op)
} else {
gc.Fatalf("bad in raddr: <null>")
}
p.Reg = 0
} else {
p.Reg = a.Reg
}
}

25
src/cmd/compile/internal/arm64/gsubr.go
View File

@ -30,11 +30,7 @@
package arm64
import (
"cmd/compile/internal/gc"
"cmd/internal/obj"
"cmd/internal/obj/arm64"
)
import "cmd/internal/obj/arm64"
var resvd = []int{
arm64.REGTMP,
@ -43,22 +39,3 @@ var resvd = []int{
arm64.REGRT2,
arm64.REG_R31, // REGZERO and REGSP
}
/*
* insert n into reg slot of p
*/
func raddr(n *gc.Node, p *obj.Prog) {
var a obj.Addr
gc.Naddr(&a, n)
if a.Type != obj.TYPE_REG {
if n != nil {
gc.Fatalf("bad in raddr: %v", n.Op)
} else {
gc.Fatalf("bad in raddr: <null>")
}
p.Reg = 0
} else {
p.Reg = a.Reg
}
}

20
src/cmd/compile/internal/gc/gsubr.go
View File

@ -601,23 +601,3 @@ func Gins(as obj.As, f, t *Node) *obj.Prog {
}
return p
}
var reg [100]int // count of references to reg
var regstk [100][]byte // allocation sites, when -v is given
func ginit() {
for r := range reg {
reg[r] = 1
}
for r := Thearch.REGMIN; r <= Thearch.REGMAX; r++ {
reg[r-Thearch.REGMIN] = 0
}
for r := Thearch.FREGMIN; r <= Thearch.FREGMAX; r++ {
reg[r-Thearch.REGMIN] = 0
}
for _, r := range Thearch.ReservedRegs {
reg[r-Thearch.REGMIN] = 1
}
}

2
src/cmd/compile/internal/gc/pgen.go
View File

@ -420,8 +420,6 @@ func compile(fn *Node) {
}
}
ginit()
gcargs := makefuncdatasym("gcargs·", obj.FUNCDATA_ArgsPointerMaps)
gclocals := makefuncdatasym("gclocals·", obj.FUNCDATA_LocalsPointerMaps)