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gc: Allow allow data types up to 1GB

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R=rsc
https://golang.org/cl/164095
This commit is contained in:
Christopher Wedgwood 2009-12-03 12:46:34 -08:00 committed by Russ Cox
parent 6db683fe4d
commit 7e7008fa5e
3 changed files with 4 additions and 3 deletions
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2
src/cmd/gc/gen.c
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@ -52,7 +52,7 @@ allocparams(void)
continue; continue;
dowidth(n->type); dowidth(n->type);
w = n->type->width; w = n->type->width;
if(w >= 100000000) if(w >= MAXWIDTH)
fatal("bad width"); fatal("bad width");
stksize += w; stksize += w;
stksize = rnd(stksize, w); stksize = rnd(stksize, w);

3
src/cmd/gc/go.h
View File

@ -53,7 +53,8 @@ enum
AINTER, AINTER,
ANILINTER, ANILINTER,
BADWIDTH = -1000000000 BADWIDTH = -1000000000,
MAXWIDTH = 1<<30
}; };
/* /*

2
src/cmd/gc/subr.c
View File

@ -2431,7 +2431,7 @@ setmaxarg(Type *t)
dowidth(t); dowidth(t);
w = t->argwid; w = t->argwid;
if(t->argwid >= 100000000) if(t->argwid >= MAXWIDTH)
fatal("bad argwid %T", t); fatal("bad argwid %T", t);
if(w > maxarg) if(w > maxarg)
maxarg = w; maxarg = w;