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@@ -78,13 +78,24 @@ regsize(sz) register sz; {
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}
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indexed() {
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+ int sm1, sm2;
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if (mrg_2 & ~7)
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serror("register error");
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- if (exp_2.typ != S_ABS || fitb((short)exp_2.val) == 0)
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+ sm1 = exp_2.typ == S_ABS && fitb((short)(exp_2.val));
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+ if (sm1) {
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+ sm2 = exp_2.val == 0 && mrg_2 != 6;
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+ }
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+ else sm2 = 0;
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+ if (small(sm1, 1)) {
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+ if (small(sm2, 1)) {
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+ }
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+ else mrg_2 |= 0100;
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+ }
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+ else {
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+ if (small(0, 1)) {}
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mrg_2 |= 0200;
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- else if (exp_2.val != 0 || mrg_2 == 6)
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- mrg_2 |= 0100;
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+ }
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}
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branch(opc,exp) register opc; expr_t exp; {
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@@ -165,11 +176,13 @@ addop(opc) register opc; {
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} else if (mrg_2 & 040) {
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if ((opc&1) == 0) {
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emit1(0200);
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- } else if (exp_2.typ != S_ABS || fitb((short)exp_2.val) == 0 ||
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- opc==011 || opc==041 || opc==061 ) {
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- emit1(0201);
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} else {
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- emit1(0203); opc &= ~1;
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+ int sm = exp_2.typ == S_ABS && fitb((short)exp_2.val) &&
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+ opc != 011 && opc != 041 && opc != 061;
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+ if (small(sm, 1)) {
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+ emit1(0203); opc &= ~1;
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+ }
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+ else emit1(0201);
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}
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ea_1(opc & 070);
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#ifdef RELOCATION
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@@ -193,7 +206,7 @@ rolop(opc) register opc; {
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if (cmrg == 0301) {
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emit1(0322 | (opc&1)); ea_1(opc&070);
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} else if (cmrg & 040) {
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- if (exp_2.val == 1) {
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+ if (small(exp_2.val == 1, 1)) {
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emit1(0320 | (opc&1)); ea_1(opc&070);
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} else {
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fit(fitb(exp_2.val));
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