contrib/gcc/fold-const.c

160    HOST_BITS_PER_WIDE_INT / 2 bits stored in each word, as a positive
164   ((x) & (((unsigned HOST_WIDE_INT) 1 << (HOST_BITS_PER_WIDE_INT / 2)) - 1))
166   ((unsigned HOST_WIDE_INT) (x) >> HOST_BITS_PER_WIDE_INT / 2)
167 #define BASE ((unsigned HOST_WIDE_INT) 1 << HOST_BITS_PER_WIDE_INT / 2)
236   if (prec >= 2 * HOST_BITS_PER_WIDE_INT)
238   else if (prec > HOST_BITS_PER_WIDE_INT)
239     high &= ~((HOST_WIDE_INT) (-1) << (prec - HOST_BITS_PER_WIDE_INT));
243       if (prec < HOST_BITS_PER_WIDE_INT)
249   else if (prec >= 2 * HOST_BITS_PER_WIDE_INT)
251   else if (prec > HOST_BITS_PER_WIDE_INT)
255 		  << (prec - HOST_BITS_PER_WIDE_INT - 1)))
256 	high |= (HOST_WIDE_INT) (-1) << (prec - HOST_BITS_PER_WIDE_INT);
258   else if (prec == HOST_BITS_PER_WIDE_INT)
435   if (count >= 2 * HOST_BITS_PER_WIDE_INT)
442   else if (count >= HOST_BITS_PER_WIDE_INT)
444       *hv = l1 << (count - HOST_BITS_PER_WIDE_INT);
450 	     | (l1 >> (HOST_BITS_PER_WIDE_INT - count - 1) >> 1));
456   signmask = -((prec > HOST_BITS_PER_WIDE_INT
458 		   >> (prec - HOST_BITS_PER_WIDE_INT - 1))
461   if (prec >= 2 * HOST_BITS_PER_WIDE_INT)
463   else if (prec >= HOST_BITS_PER_WIDE_INT)
465       *hv &= ~((HOST_WIDE_INT) (-1) << (prec - HOST_BITS_PER_WIDE_INT));
466       *hv |= signmask << (prec - HOST_BITS_PER_WIDE_INT);
490 	      ? -((unsigned HOST_WIDE_INT) h1 >> (HOST_BITS_PER_WIDE_INT - 1))
496   if (count >= 2 * HOST_BITS_PER_WIDE_INT)
503   else if (count >= HOST_BITS_PER_WIDE_INT)
506       *lv = (unsigned HOST_WIDE_INT) h1 >> (count - HOST_BITS_PER_WIDE_INT);
512 	     | ((unsigned HOST_WIDE_INT) h1 << (HOST_BITS_PER_WIDE_INT - count - 1) << 1));
522   else if ((prec - count) >= 2 * HOST_BITS_PER_WIDE_INT)
524   else if ((prec - count) >= HOST_BITS_PER_WIDE_INT)
526       *hv &= ~((HOST_WIDE_INT) (-1) << (prec - count - HOST_BITS_PER_WIDE_INT));
527       *hv |= signmask << (prec - count - HOST_BITS_PER_WIDE_INT);
1049   if (prec > HOST_BITS_PER_WIDE_INT)
1053       prec -= HOST_BITS_PER_WIDE_INT;
1058   if (prec < HOST_BITS_PER_WIDE_INT)
3794   if (width > HOST_BITS_PER_WIDE_INT)
3796       hi = (unsigned HOST_WIDE_INT) 1 << (width - HOST_BITS_PER_WIDE_INT - 1);
3800 		 >> (2 * HOST_BITS_PER_WIDE_INT - width));
3810 		 >> (HOST_BITS_PER_WIDE_INT - width));
4301       if (prec <= HOST_BITS_PER_WIDE_INT)
4308 	  hi = ((HOST_WIDE_INT) 1 << (prec - HOST_BITS_PER_WIDE_INT - 1)) - 1;
7080       if (bitpos < HOST_BITS_PER_WIDE_INT)
7084 				 >> (bitpos - HOST_BITS_PER_WIDE_INT));
7262   if (total_bytes * BITS_PER_UNIT > 2 * HOST_BITS_PER_WIDE_INT)
7284       if (bitpos < HOST_BITS_PER_WIDE_INT)
7288 	      << (bitpos - HOST_BITS_PER_WIDE_INT);
7729 		   <= HOST_BITS_PER_WIDE_INT
9465 	  if (width > HOST_BITS_PER_WIDE_INT)
9468 		    >> (2 * HOST_BITS_PER_WIDE_INT - width);
9475 		    >> (HOST_BITS_PER_WIDE_INT - width);
9807 	  if (prec < BITS_PER_WORD && prec < HOST_BITS_PER_WIDE_INT
11138 	    && width <= 2 * HOST_BITS_PER_WIDE_INT
11146 	    if (width <= HOST_BITS_PER_WIDE_INT)
11168 		width -= HOST_BITS_PER_WIDE_INT;
11643 	      if (outer_width > HOST_BITS_PER_WIDE_INT)
11646 			     >> (2 * HOST_BITS_PER_WIDE_INT - outer_width));
11653 			     >> (HOST_BITS_PER_WIDE_INT - outer_width));
11655 	      if (inner_width > HOST_BITS_PER_WIDE_INT)
11658 			       >> (HOST_BITS_PER_WIDE_INT - inner_width));
11663 			     >> (HOST_BITS_PER_WIDE_INT - inner_width));