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cmd/compile: eliminate arch-specific typedefs

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Arch backends already provide us Widthint and Widthptr, which is ample
information to figure out how to define the universal "int", "uint",
and "uintptr" types.  No need for providing a generic typedef
mechanism beyond that.

Change-Id: I35c0c17a67c80605a9208b93d77d6960b2cbb17d
Reviewed-on: https://go-review.googlesource.com/20153
Run-TryBot: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Dave Cheney <dave@cheney.net>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Matthew Dempsky 2016-03-02 18:03:50 -08:00
parent 0024101b2d
commit a40b27e304
9 changed files with 35 additions and 115 deletions
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33
src/cmd/compile/internal/gc/align.go
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@ -618,39 +618,6 @@ func typeinit() {
Simtype[TFUNC] = Tptr
Simtype[TUNSAFEPTR] = Tptr
// pick up the backend thearch.typedefs
for i = range Thearch.Typedefs {
s := Lookup(Thearch.Typedefs[i].Name)
s1 := Pkglookup(Thearch.Typedefs[i].Name, builtinpkg)
etype := Thearch.Typedefs[i].Etype
if int(etype) >= len(Types) {
Fatalf("typeinit: %s bad etype", s.Name)
}
sameas := Thearch.Typedefs[i].Sameas
if int(sameas) >= len(Types) {
Fatalf("typeinit: %s bad sameas", s.Name)
}
Simtype[etype] = sameas
minfltval[etype] = minfltval[sameas]
maxfltval[etype] = maxfltval[sameas]
Minintval[etype] = Minintval[sameas]
Maxintval[etype] = Maxintval[sameas]
t = Types[etype]
if t != nil {
Fatalf("typeinit: %s already defined", s.Name)
}
t = typ(etype)
t.Sym = s1
dowidth(t)
Types[etype] = t
s1.Def = typenod(t)
s1.Def.Name = new(Name)
}
Array_array = int(Rnd(0, int64(Widthptr)))
Array_nel = int(Rnd(int64(Array_array)+int64(Widthptr), int64(Widthint)))
Array_cap = int(Rnd(int64(Array_nel)+int64(Widthint), int64(Widthint)))