cmd/compile: added support for mips64{,le}
It is based on ppc64 compiler.
Change-Id: I15a101df05f2919ba5292136957ba0009227d067
Reviewed-on: https://go-review.googlesource.com/14445
Reviewed-by: Minux Ma <minux@golang.org>
diff --git a/src/cmd/compile/internal/gc/cgen.go b/src/cmd/compile/internal/gc/cgen.go
index cbb84f9d..42b7792 100644
--- a/src/cmd/compile/internal/gc/cgen.go
+++ b/src/cmd/compile/internal/gc/cgen.go
@@ -251,7 +251,7 @@
return
}
- if Ctxt.Arch.Thechar == '7' || Ctxt.Arch.Thechar == '9' {
+ if Ctxt.Arch.Thechar == '0' || Ctxt.Arch.Thechar == '7' || Ctxt.Arch.Thechar == '9' {
// if both are addressable, move
if n.Addable {
if n.Op == OREGISTER || res.Op == OREGISTER {
@@ -751,14 +751,14 @@
Regalloc(&n1, nl.Type, res)
Cgen(nl, &n1)
- if Smallintconst(nr) && Ctxt.Arch.Thechar != '5' && Ctxt.Arch.Thechar != '7' && Ctxt.Arch.Thechar != '9' { // TODO(rsc): Check opcode for arm
+ if Smallintconst(nr) && Ctxt.Arch.Thechar != '0' && Ctxt.Arch.Thechar != '5' && Ctxt.Arch.Thechar != '7' && Ctxt.Arch.Thechar != '9' { // TODO(rsc): Check opcode for arm
n2 = *nr
} else {
Regalloc(&n2, nr.Type, nil)
Cgen(nr, &n2)
}
} else {
- if Smallintconst(nr) && Ctxt.Arch.Thechar != '5' && Ctxt.Arch.Thechar != '7' && Ctxt.Arch.Thechar != '9' { // TODO(rsc): Check opcode for arm
+ if Smallintconst(nr) && Ctxt.Arch.Thechar != '0' && Ctxt.Arch.Thechar != '5' && Ctxt.Arch.Thechar != '7' && Ctxt.Arch.Thechar != '9' { // TODO(rsc): Check opcode for arm
n2 = *nr
} else {
Regalloc(&n2, nr.Type, res)
@@ -1829,8 +1829,8 @@
// but they don't support direct generation of a bool value yet.
// We can fix that as we go.
switch Ctxt.Arch.Thechar {
- case '5', '7', '9':
- Fatalf("genval 5g, 7g, 9g ONAMES not fully implemented")
+ case '0', '5', '7', '9':
+ Fatalf("genval 0g, 5g, 7g, 9g ONAMES not fully implemented")
}
Cgen(n, res)
if !wantTrue {
@@ -1839,7 +1839,7 @@
return
}
- if n.Addable && Ctxt.Arch.Thechar != '5' && Ctxt.Arch.Thechar != '7' && Ctxt.Arch.Thechar != '9' {
+ if n.Addable && Ctxt.Arch.Thechar != '0' && Ctxt.Arch.Thechar != '5' && Ctxt.Arch.Thechar != '7' && Ctxt.Arch.Thechar != '9' {
// no need for a temporary
bgenNonZero(n, nil, wantTrue, likely, to)
return
@@ -2023,7 +2023,7 @@
Cgen(nl, &n1)
nl = &n1
- if Smallintconst(nr) && Ctxt.Arch.Thechar != '9' {
+ if Smallintconst(nr) && Ctxt.Arch.Thechar != '0' && Ctxt.Arch.Thechar != '9' {
Thearch.Gins(Thearch.Optoas(OCMP, nr.Type), nl, nr)
bins(nr.Type, res, op, likely, to)
return
@@ -2048,6 +2048,13 @@
op = Brrev(op)
}
+ // MIPS does not have CMP instruction
+ if Ctxt.Arch.Thechar == '0' {
+ p := Thearch.Ginscmp(op, nr.Type, l, r, likely)
+ Patch(p, to)
+ return
+ }
+
// Do the comparison.
Thearch.Gins(Thearch.Optoas(OCMP, nr.Type), l, r)
@@ -2133,6 +2140,15 @@
if !wantTrue {
op = OEQ
}
+
+ // MIPS does not have CMP instruction
+ if Thearch.Thechar == '0' {
+ p := Gbranch(Thearch.Optoas(op, n.Type), n.Type, likely)
+ Naddr(&p.From, n)
+ Patch(p, to)
+ return
+ }
+
var zero Node
Nodconst(&zero, n.Type, 0)
Thearch.Gins(Thearch.Optoas(OCMP, n.Type), n, &zero)
@@ -2597,7 +2613,7 @@
// in peep and optoas in order to enable this.
// TODO(rsc): ppc64 needs to support the relevant instructions
// in peep and optoas in order to enable this.
- if nr.Op != OLITERAL || Ctxt.Arch.Thechar == '7' || Ctxt.Arch.Thechar == '9' {
+ if nr.Op != OLITERAL || Ctxt.Arch.Thechar == '0' || Ctxt.Arch.Thechar == '7' || Ctxt.Arch.Thechar == '9' {
goto longdiv
}
w = int(nl.Type.Width * 8)
diff --git a/src/cmd/compile/internal/gc/gsubr.go b/src/cmd/compile/internal/gc/gsubr.go
index 6b11ed2..ba2c601 100644
--- a/src/cmd/compile/internal/gc/gsubr.go
+++ b/src/cmd/compile/internal/gc/gsubr.go
@@ -83,7 +83,7 @@
p := Prog(as)
p.To.Type = obj.TYPE_BRANCH
p.To.Val = nil
- if as != obj.AJMP && likely != 0 && Thearch.Thechar != '9' && Thearch.Thechar != '7' {
+ if as != obj.AJMP && likely != 0 && Thearch.Thechar != '9' && Thearch.Thechar != '7' && Thearch.Thechar != '0' {
p.From.Type = obj.TYPE_CONST
if likely > 0 {
p.From.Offset = 1
@@ -438,7 +438,7 @@
case OADDR:
Naddr(a, n.Left)
a.Etype = uint8(Tptr)
- if Thearch.Thechar != '5' && Thearch.Thechar != '7' && Thearch.Thechar != '9' { // TODO(rsc): Do this even for arm, ppc64.
+ if Thearch.Thechar != '0' && Thearch.Thechar != '5' && Thearch.Thechar != '7' && Thearch.Thechar != '9' { // TODO(rsc): Do this even for arm, ppc64.
a.Width = int64(Widthptr)
}
if a.Type != obj.TYPE_MEM {
diff --git a/src/cmd/compile/internal/gc/pgen.go b/src/cmd/compile/internal/gc/pgen.go
index 015d2fd..a407383 100644
--- a/src/cmd/compile/internal/gc/pgen.go
+++ b/src/cmd/compile/internal/gc/pgen.go
@@ -282,7 +282,7 @@
if haspointers(n.Type) {
stkptrsize = Stksize
}
- if Thearch.Thechar == '5' || Thearch.Thechar == '7' || Thearch.Thechar == '9' {
+ if Thearch.Thechar == '0' || Thearch.Thechar == '5' || Thearch.Thechar == '7' || Thearch.Thechar == '9' {
Stksize = Rnd(Stksize, int64(Widthptr))
}
if Stksize >= 1<<31 {
@@ -319,7 +319,7 @@
Fatalf("bad checknil")
}
- if ((Thearch.Thechar == '5' || Thearch.Thechar == '7' || Thearch.Thechar == '9') && n.Op != OREGISTER) || !n.Addable || n.Op == OLITERAL {
+ if ((Thearch.Thechar == '0' || Thearch.Thechar == '5' || Thearch.Thechar == '7' || Thearch.Thechar == '9') && n.Op != OREGISTER) || !n.Addable || n.Op == OLITERAL {
var reg Node
Regalloc(®, Types[Tptr], n)
Cgen(n, ®)
diff --git a/src/cmd/compile/internal/gc/reg.go b/src/cmd/compile/internal/gc/reg.go
index b4ef9931..f575094 100644
--- a/src/cmd/compile/internal/gc/reg.go
+++ b/src/cmd/compile/internal/gc/reg.go
@@ -249,7 +249,7 @@
p1.As = int16(Thearch.Optoas(OAS, Types[uint8(v.etype)]))
// TODO(rsc): Remove special case here.
- if (Thearch.Thechar == '5' || Thearch.Thechar == '7' || Thearch.Thechar == '9') && v.etype == TBOOL {
+ if (Thearch.Thechar == '0' || Thearch.Thechar == '5' || Thearch.Thechar == '7' || Thearch.Thechar == '9') && v.etype == TBOOL {
p1.As = int16(Thearch.Optoas(OAS, Types[TUINT8]))
}
p1.From.Type = obj.TYPE_REG
@@ -302,7 +302,7 @@
// TODO(rsc): Remove special case here.
case obj.TYPE_ADDR:
var bit Bits
- if Thearch.Thechar == '5' || Thearch.Thechar == '7' || Thearch.Thechar == '9' {
+ if Thearch.Thechar == '0' || Thearch.Thechar == '5' || Thearch.Thechar == '7' || Thearch.Thechar == '9' {
goto memcase
}
a.Type = obj.TYPE_MEM
diff --git a/src/cmd/compile/internal/gc/walk.go b/src/cmd/compile/internal/gc/walk.go
index a2bdbdc..9051be0 100644
--- a/src/cmd/compile/internal/gc/walk.go
+++ b/src/cmd/compile/internal/gc/walk.go
@@ -3290,7 +3290,7 @@
}
func walkrotate(np **Node) {
- if Thearch.Thechar == '7' || Thearch.Thechar == '9' {
+ if Thearch.Thechar == '0' || Thearch.Thechar == '7' || Thearch.Thechar == '9' {
return
}
@@ -3418,7 +3418,7 @@
// if >= 0, nr is 1<<pow // 1 if nr is negative.
// TODO(minux)
- if Thearch.Thechar == '7' || Thearch.Thechar == '9' {
+ if Thearch.Thechar == '0' || Thearch.Thechar == '7' || Thearch.Thechar == '9' {
return
}
