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cmd/compile: use runtime hash func for known types

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Those functions are defined in package runtime already, so just use them
instead of creating ONAME nodes with nil Func.

Change-Id: If29814a5254793c578c15b70f9c194b7414911d4
Reviewed-on: https://go-review.googlesource.com/c/go/+/436959
Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
This commit is contained in:
Cuong Manh Le 2022-09-30 12:04:46 +07:00
parent b1fd277318
commit fcff7226f3
3 changed files with 89 additions and 82 deletions
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20
src/cmd/compile/internal/reflectdata/alg.go
View file

@ -235,6 +235,12 @@ func genhash(t *types.Type) *obj.LSym {
return closure
}
func runtimeHashFor(name string, t *types.Type) *ir.Name {
n := typecheck.LookupRuntime(name)
n = typecheck.SubstArgTypes(n, t)
return n
}
func hashfor(t *types.Type) ir.Node {
var sym *types.Sym
@ -242,19 +248,19 @@ func hashfor(t *types.Type) ir.Node {
case types.AMEM:
base.Fatalf("hashfor with AMEM type")
case types.AINTER:
sym = ir.Pkgs.Runtime.Lookup("interhash")
return runtimeHashFor("interhash", t)
case types.ANILINTER:
sym = ir.Pkgs.Runtime.Lookup("nilinterhash")
return runtimeHashFor("nilinterhash", t)
case types.ASTRING:
sym = ir.Pkgs.Runtime.Lookup("strhash")
return runtimeHashFor("strhash", t)
case types.AFLOAT32:
sym = ir.Pkgs.Runtime.Lookup("f32hash")
return runtimeHashFor("f32hash", t)
case types.AFLOAT64:
sym = ir.Pkgs.Runtime.Lookup("f64hash")
return runtimeHashFor("f64hash", t)
case types.ACPLX64:
sym = ir.Pkgs.Runtime.Lookup("c64hash")
return runtimeHashFor("c64hash", t)
case types.ACPLX128:
sym = ir.Pkgs.Runtime.Lookup("c128hash")
return runtimeHashFor("c128hash", t)
default:
// Note: the caller of hashfor ensured that this symbol
// exists and has a body by calling genhash for t.