1 files changed, 0 insertions, 97 deletions
diff --git a/src/cmd/gc/unsafe.c b/src/cmd/gc/unsafe.c
deleted file mode 100644
index d304077c8..000000000
--- a/src/cmd/gc/unsafe.c
+++ /dev/null
@@ -1,97 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-#include "go.h"
-
-/*
- * look for
- *	unsafe.Sizeof
- *	unsafe.Offsetof
- * rewrite with a constant
- */
-Node*
-unsafenmagic(Node *nn)
-{
-	Node *r, *n;
-	Sym *s;
-	Type *t, *tr;
-	long v;
-	Val val;
-	Node *fn;
-	NodeList *args;
-	
-	fn = nn->left;
-	args = nn->list;
-
-	if(safemode || fn == N || fn->op != ONAME || (s = fn->sym) == S)
-		goto no;
-	if(s->pkg != unsafepkg)
-		goto no;
-
-	if(args == nil) {
-		yyerror("missing argument for %S", s);
-		goto no;
-	}
-	r = args->n;
-
-	if(strcmp(s->name, "Sizeof") == 0) {
-		typecheck(&r, Erv);
-		defaultlit(&r, T);
-		tr = r->type;
-		if(tr == T)
-			goto bad;
-		dowidth(tr);
-		v = tr->width;
-		goto yes;
-	}
-	if(strcmp(s->name, "Offsetof") == 0) {
-		typecheck(&r, Erv);
-		if(r->op != ODOT && r->op != ODOTPTR)
-			goto bad;
-		typecheck(&r, Erv);
-		v = r->xoffset;
-		goto yes;
-	}
-	if(strcmp(s->name, "Alignof") == 0) {
-		typecheck(&r, Erv);
-		defaultlit(&r, T);
-		tr = r->type;
-		if(tr == T)
-			goto bad;
-
-		// make struct { byte; T; }
-		t = typ(TSTRUCT);
-		t->type = typ(TFIELD);
-		t->type->type = types[TUINT8];
-		t->type->down = typ(TFIELD);
-		t->type->down->type = tr;
-		// compute struct widths
-		dowidth(t);
-
-		// the offset of T is its required alignment
-		v = t->type->down->width;
-		goto yes;
-	}
-
-no:
-	return N;
-
-bad:
-	yyerror("invalid expression %#N", nn);
-	v = 0;
-	goto ret;
-	
-yes:
-	if(args->next != nil)
-		yyerror("extra arguments for %S", s);
-ret:
-	// any side effects disappear; ignore init
-	val.ctype = CTINT;
-	val.u.xval = mal(sizeof(*n->val.u.xval));
-	mpmovecfix(val.u.xval, v);
-	n = nod(OLITERAL, N, N);
-	n->val = val;
-	n->type = types[TUINTPTR];
-	return n;
-}