bit operations generate longword reference which may reference the

[unix-history] / usr / src / old / pcc / c2.vax / c21.c

diff --git a/usr/src/old/pcc/c2.vax/c21.c b/usr/src/old/pcc/c2.vax/c21.c
index 0c4eb33..93bc1a6 100644 (file)
--- a/usr/src/old/pcc/c2.vax/c21.c
+++ b/usr/src/old/pcc/c2.vax/c21.c
@@ -1,5 +1,5 @@
 #ifndef lint
 #ifndef lint

-static char sccsid[] = "@(#)c21.c 4.24 %G%";
+static char sccsid[] = "@(#)c21.c 4.25 %G%";

 #endif
 /* char C21[] = {"@(#)c21.c 1.83 80/10/16 21:18:22 JFR"}; /* sccs ident */
 
 #endif
 /* char C21[] = {"@(#)c21.c 1.83 80/10/16 21:18:22 JFR"}; /* sccs ident */
 


@@ -543,7 +543,7 @@ mov:
                else lastrand=regs[RT3];
                repladdr(p);
                if (p->op==CALLS || p->op==MOVC3) clearreg();
                else lastrand=regs[RT3];
                repladdr(p);
                if (p->op==CALLS || p->op==MOVC3) clearreg();

-               if (p->op==BIT) bitopt(p);
+               /*if (p->op==BIT) bitopt(p);*/

                ccloc[0]=0; break;
 
        case CBR:
                ccloc[0]=0; break;
 
        case CBR:


@@ -763,6 +763,7 @@ ispow2(n) register long n; {/* -1 -> no; else -> log to base 2 */
        for (;;) {n >>= 1; if (n==0) return(log); ++log; if (n== -1) return(log);}
 }
 
        for (;;) {n >>= 1; if (n==0) return(log); ++log; if (n== -1) return(log);}
 }
 

+#ifdef notdef

 bitopt(p) register struct node *p; {
        /* change "bitx $<power_of_2>,a" followed by JEQ or JNE
        /* into JBC or JBS.  watch out for I/O registers. (?)
 bitopt(p) register struct node *p; {
        /* change "bitx $<power_of_2>,a" followed by JEQ or JNE
        /* into JBC or JBS.  watch out for I/O registers. (?)


@@ -802,6 +803,7 @@ bitopt(p) register struct node *p; {
        p->labno = p->forw->labno; delnode(p->forw);
        p->pop=0;
 }
        p->labno = p->forw->labno; delnode(p->forw);
        p->pop=0;
 }

+#endif

 
 isfield(n) register long n; {/* -1 -> no; else -> position of low bit */
        register int p; register long t;
 
 isfield(n) register long n; {/* -1 -> no; else -> position of low bit */
        register int p; register long t;