config/i386/i386.c

1101 /* Names for 8 (low), 8 (high), and 16-bit registers, respectively.  */
9820   /* Force this value into the low part of a fp vector constant.  */
10885 	   op1 is a constant and the low word is zero, then we can just
10988       /* Value of 1 is low enough to make no need for probability
12622   rtx low[2], high[2];
12628       (mode == DImode ? split_di : split_ti) (operands, 2, low, high);
12633 	  emit_move_insn (high[0], low[1]);
12634 	  emit_move_insn (low[0], const0_rtx);
12645 		     : gen_x86_64_shld) (high[0], low[0], GEN_INT (count)));
12646 	  ix86_expand_ashl_const (low[0], count, mode);
12651   (mode == DImode ? split_di : split_ti) (operands, 1, low, high);
12657       if (ANY_QI_REG_P (low[0]) && ANY_QI_REG_P (high[0]))
12661 	  ix86_expand_clear (low[0]);
12665 	  d = gen_lowpart (QImode, low[0]);
12678 	 shifts.  The two methods of getting 0/1 into low/high are exactly
12697 	  emit_move_insn (low[0], high[0]);
12700 		      : gen_xordi3) (low[0], low[0], GEN_INT (1)));
12705 		    : gen_ashldi3) (low[0], low[0], operands[2]));
12716       emit_move_insn (low[0], constm1_rtx);
12718 	emit_move_insn (high[0], low[0]);
12727       (mode == DImode ? split_di : split_ti) (operands, 1, low, high);
12730 		  : gen_x86_64_shld) (high[0], low[0], operands[2]));
12733   emit_insn ((mode == DImode ? gen_ashlsi3 : gen_ashldi3) (low[0], low[0], operands[2]));
12740 		  : gen_x86_64_shift_adj) (high[0], low[0], operands[2], scratch));
12743     emit_insn (gen_x86_shift_adj_2 (high[0], low[0], operands[2]));
12749   rtx low[2], high[2];
12755       (mode == DImode ? split_di : split_ti) (operands, 2, low, high);
12765 	  emit_move_insn (low[0], high[0]);
12770 	  emit_move_insn (low[0], high[1]);
12771 	  emit_move_insn (high[0], low[0]);
12779 			: gen_ashrdi3) (low[0], low[0],
12788 		      : gen_x86_64_shrd) (low[0], high[0], GEN_INT (count)));
12799       (mode == DImode ? split_di : split_ti) (operands, 1, low, high);
12803 		  : gen_x86_64_shrd) (low[0], high[0], operands[2]));
12817 		      : gen_x86_64_shift_adj) (low[0], high[0], operands[2],
12821 	emit_insn (gen_x86_shift_adj_3 (low[0], high[0], operands[2]));
12828   rtx low[2], high[2];
12834       (mode == DImode ? split_di : split_ti) (operands, 2, low, high);
12839 	  emit_move_insn (low[0], high[1]);
12845 			: gen_lshrdi3) (low[0], low[0],
12854 		      : gen_x86_64_shrd) (low[0], high[0], GEN_INT (count)));
12865       (mode == DImode ? split_di : split_ti) (operands, 1, low, high);
12869 		  : gen_x86_64_shrd) (low[0], high[0], operands[2]));
12880 		      : gen_x86_64_shift_adj) (low[0], high[0], operands[2],
12884 	emit_insn (gen_x86_shift_adj_2 (low[0], high[0], operands[2]));
18878 	  /* Insert the SImode value as low element of V4SImode vector. */
18888 	  /* Duplicate the low short through the whole low SImode word.  */
18893 	  /* Replicate the low element of the V4SImode vector.  */
18910 	  /* Insert the SImode value as low element of V4SImode vector. */
18920 	  /* Duplicate the low byte through the whole low SImode word.  */
18926 	  /* Replicate the low element of the V4SImode vector.  */