config/s390/s390.c

511 /* Given a comparison code OP (EQ, NE, etc.) and the operands
1112   /* We don't need to split if operands are directly accessible.  */
1197 /* Expand logical operator CODE in mode MODE with operands OPERANDS.  */
1201 			      rtx *operands)
1204   rtx dst = operands[0];
1205   rtx src1 = operands[1];
1206   rtx src2 = operands[2];
1210   if (!s390_logical_operator_ok_p (operands))
1218   /* Widen operands if required.  */
1248   if (dst != operands[0])
1249     emit_move_insn (operands[0], gen_lowpart (mode, dst));
1255 s390_logical_operator_ok_p (rtx *operands)
1258      with one of the source operands.  After reload, it has to be
1260   if (GET_CODE (operands[0]) == MEM)
1261     return rtx_equal_p (operands[0], operands[1])
1262 	   || (!reload_completed && rtx_equal_p (operands[0], operands[2]));
2439   /* Accept immediate LARL operands.  */
2533   /* Accept la(y) operands.  */
2538   /* Accept l(g)hi/l(g)fi operands.  */
2543   /* Accept lliXX operands.  */
2556   /* Accept larl operands.  */
2561   /* Accept lzXX operands.  */
2566   /* Accept double-word operands that can be split.  */
2694   /* src must be a PLUS; get its two operands.  */
2698   /* Check if any of the two operands is already scheduled
2710       /* Otherwise, one of the operands cannot be an address register;
3354 /* Emit insns to move operands[1] into operands[0].  */
3357 emit_symbolic_move (rtx *operands)
3359   rtx temp = no_new_pseudos ? operands[0] : gen_reg_rtx (Pmode);
3361   if (GET_CODE (operands[0]) == MEM)
3362     operands[1] = force_reg (Pmode, operands[1]);
3363   else if (TLS_SYMBOLIC_CONST (operands[1]))
3364     operands[1] = legitimize_tls_address (operands[1], temp);
3366     operands[1] = legitimize_pic_address (operands[1], temp);
3719      we have to swap the operands.  */
8203    SUBTARGET may be used as the target for computing one of EXP's operands.