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comparison mc-code-ia32.c @ 286:179e22f166ef register-assop

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register assop fix
author kono
date Wed, 02 Jun 2004 13:19:13 +0900
parents affb054fe920
children a0779a414855
comparison
equal deleted inserted replaced
285:912b54949344 286:179e22f166ef
1309 } 1309 }
1310 1310
1311 void 1311 void
1312 code_assign_register(int e2,int byte,int creg) { 1312 code_assign_register(int e2,int byte,int creg) {
1313 use_int(creg); 1313 use_int(creg);
1314 printf("\tmovl %s,%s\n",register_name(creg,0),register_name(e2,0)); 1314 if (creg!=e2)
1315 printf("\tmovl %s,%s\n",register_name(creg,0),register_name(e2,0));
1315 } 1316 }
1316 1317
1317 void 1318 void
1318 code_assign(int e2,int byte,int creg) { 1319 code_assign(int e2,int byte,int creg) {
1319 use_int(e2); 1320 use_int(e2);
1328 int reg; 1329 int reg;
1329 int xreg = creg; 1330 int xreg = creg;
1330 creg = reg = e2; 1331 creg = reg = e2;
1331 tosop(op,reg,xreg); 1332 tosop(op,reg,xreg);
1332 creg = xreg; 1333 creg = xreg;
1333 printf("\tmovl %s,%s\n",register_name(reg,0),register_name(creg,0)); 1334 // printf("\tmovl %s,%s\n",register_name(reg,0),register_name(creg,0));
1334 regs[creg]=regv[creg]=1; 1335 regs[creg]=regv[creg]=1;
1335 } 1336 }
1336 1337
1337 1338
1338 void 1339 void
2642 opl = 0; 2643 opl = 0;
2643 2644
2644 switch(op) { 2645 switch(op) {
2645 case LLSHIFT: 2646 case LLSHIFT:
2646 case LULSHIFT: 2647 case LULSHIFT:
2647 printf("\tshldl $%d,%%eax,%%edx\n",vl); 2648 printf("\tshldl $%d,%s,%s\n",vl,l_eax(reg),l_edx(reg));
2648 printf("\tsall $%d,%%eax\n",vl); 2649 printf("\tsall $%d,%s\n",vl,l_eax(reg));
2649 check_lreg(reg);
2650 return; 2650 return;
2651 case LRSHIFT: 2651 case LRSHIFT:
2652 printf("\tshrdl $%d,%%edx,%%eax\n",vl); 2652 printf("\tshrdl $%d,%s,%s\n",vl,l_edx(reg),l_eax(reg));
2653 printf("\tsarl $%d,%%edx\n",vl); 2653 printf("\tsarl $%d,%s\n",vl,l_edx(reg));
2654 check_lreg(reg);
2655 return; 2654 return;
2656 case LURSHIFT: 2655 case LURSHIFT:
2657 printf("\tshrdl $%d,%%edx,%%eax\n",vl); 2656 printf("\tshrdl $%d,%s,%s\n",vl,l_edx(reg),l_eax(reg));
2658 printf("\tshrl $%d,%%edx\n",vl); 2657 printf("\tshrl $%d,%s\n",vl,l_edx(reg));
2659 check_lreg(reg);
2660 return; 2658 return;
2661 } 2659 }
2662 switch(op) { 2660 switch(op) {
2663 case LADD: opl="addl";oph="adcl"; break; 2661 case LADD: opl="addl";oph="adcl"; break;
2664 case LSUB: opl="subl";oph="sbbl"; break; 2662 case LSUB: opl="subl";oph="sbbl"; break;
2665 case LBAND: opl=oph="andl"; break; 2663 case LBAND: opl=oph="andl"; break;
2666 case LEOR: opl=oph="xorl"; break; 2664 case LEOR: opl=oph="xorl"; break;
2667 case LBOR: opl=oph="orl"; break; 2665 case LBOR: opl=oph="orl"; break;
2668 default: error(-1); 2666 default: error(-1);
2669 } 2667 }
2670 printf("\t%s $%d,%%eax\n\t%s $%d,%%edx\n",opl,vl,oph,vh); 2668 printf("\t%s $%d,%s\n\t%s $%d,%s\n",opl,vl,l_eax(reg),oph,vh,l_edx(reg));
2671 check_lreg(reg);
2672 } 2669 }
2673 2670
2674 void emit_lpop_free(int e1) 2671 void emit_lpop_free(int e1)
2675 { 2672 {
2676 // printf("\taddl $8,%%esp\n"); 2673 // printf("\taddl $8,%%esp\n");