d0p1/ack
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Added support for volatile

Browse source
This commit is contained in:
ceriel 1991-10-02 13:03:31 +00:00
parent ed1a07a874
commit 2b7aae3b44
4 changed files with 9 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
util/ego/cs/cs_partit.c
View file

@ -122,7 +122,7 @@ STATIC struct {
/* mon */ HOPELESS, XXX, XXX, XXX, XXX, /* mon */ HOPELESS, XXX, XXX, XXX, XXX,
/* ngf */ UNAIR_OP, ARGW, XXX, ARGW, FLT, /* ngf */ UNAIR_OP, ARGW, XXX, ARGW, FLT,
/* ngi */ UNAIR_OP, ARGW, XXX, ARGW, ANY, /* ngi */ UNAIR_OP, ARGW, XXX, ARGW, ANY,
/* nop */ IGNORE, XXX, XXX, XXX, XXX, /* nop */ HOPELESS, XXX, XXX, XXX, XXX,
/* rck */ BBLOCK_END, XXX, XXX, XXX, XXX, /* rck */ BBLOCK_END, XXX, XXX, XXX, XXX,
/* ret */ BBLOCK_END, XXX, XXX, XXX, XXX, /* ret */ BBLOCK_END, XXX, XXX, XXX, XXX,
/* rmi */ BINAIR_OP, ARGW, ARGW, ARGW, ANY, /* rmi */ BINAIR_OP, ARGW, ARGW, ARGW, ANY,

1
util/ego/cs/cs_vnm.c
View file

@ -267,6 +267,7 @@ hopeless(instr)
break; break;
case op_mon: case op_mon:
case op_str: case op_str:
case op_nop: /* for volatiles */
/* We can't even trust "static" entities. */ /* We can't even trust "static" entities. */
kill_all(); kill_all();
clr_stack(); clr_stack();

3
util/ego/il/il1_anal.c
View file

@ -143,6 +143,9 @@ STATIC anal_instr(p,b,cf)
case ps_hol: case ps_hol:
check_labels(p,ARG(l)); check_labels(p,ARG(l));
break; break;
case op_nop: /* volatile */
UNSUITABLE(p);
break;
} }
} }
} }

4
util/ego/share/locals.c
View file

@ -118,6 +118,10 @@ STATIC check_local_use(l,locs)
default: default:
return; return;
} }
if (l->l_next && INSTR(l->l_next) == op_nop) {
/* volatile */
return;
}
localvar(off_set(l),sz,locs,FALSE,(offset) 0); localvar(off_set(l),sz,locs,FALSE,(offset) 0);
} }