contrib/gcc/rtlanal.c

3933   unsigned int bitwidth = GET_MODE_BITSIZE (mode);
3948   if (bitwidth < GET_MODE_BITSIZE (GET_MODE (x)))
3953 		  num0 - (int) (GET_MODE_BITSIZE (GET_MODE (x)) - bitwidth));
3956   if (GET_MODE (x) != VOIDmode && bitwidth > GET_MODE_BITSIZE (GET_MODE (x)))
4009 	return MAX (1, ((int) bitwidth
4018       if (bitwidth <= HOST_BITS_PER_WIDE_INT
4019 	  && (nonzero & ((HOST_WIDE_INT) 1 << (bitwidth - 1))) != 0)
4022       return (nonzero == 0 ? bitwidth : bitwidth - floor_log2 (nonzero) - 1);
4033 	  return MAX ((int) bitwidth
4039       if (bitwidth <= GET_MODE_BITSIZE (GET_MODE (SUBREG_REG (x))))
4045 				   - bitwidth)));
4072 	return MAX (1, (int) bitwidth - INTVAL (XEXP (x, 1)));
4076       return (bitwidth - GET_MODE_BITSIZE (GET_MODE (XEXP (x, 0)))
4085 				    - bitwidth)));
4097 	  && INTVAL (XEXP (x, 1)) < (int) bitwidth)
4102 				 : (int) bitwidth - INTVAL (XEXP (x, 1))));
4113       if (bitwidth > HOST_BITS_PER_WIDE_INT)
4118 	return bitwidth;
4121 	  && (((HOST_WIDE_INT) 1 << (bitwidth - 1)) & nonzero))
4143 	  && bitwidth <= HOST_BITS_PER_WIDE_INT)
4146 	  if ((((HOST_WIDE_INT) 1 << (bitwidth - 1)) & nonzero) == 0)
4147 	    return (nonzero == 1 || nonzero == 0 ? bitwidth
4148 		    : bitwidth - floor_log2 (nonzero) - 1);
4181       result = bitwidth - (bitwidth - num0) - (bitwidth - num1);
4183 	  && (bitwidth > HOST_BITS_PER_WIDE_INT
4185 		    & ((HOST_WIDE_INT) 1 << (bitwidth - 1))) != 0)
4187 		       & ((HOST_WIDE_INT) 1 << (bitwidth - 1))) != 0))))
4196       if (bitwidth > HOST_BITS_PER_WIDE_INT)
4199 		& ((HOST_WIDE_INT) 1 << (bitwidth - 1))) != 0)
4217 	  && (bitwidth > HOST_BITS_PER_WIDE_INT
4219 		  & ((HOST_WIDE_INT) 1 << (bitwidth - 1))) != 0))
4228 	  && (bitwidth > HOST_BITS_PER_WIDE_INT
4230 		  & ((HOST_WIDE_INT) 1 << (bitwidth - 1))) != 0))
4242 	num0 = MIN ((int) bitwidth, num0 + INTVAL (XEXP (x, 1)));
4250 	  || INTVAL (XEXP (x, 1)) >= (int) bitwidth)
4271       if (bitwidth <= HOST_BITS_PER_WIDE_INT
4272 	  && (nonzero & ((HOST_WIDE_INT) 1 << (bitwidth - 1))) != 0)
4275       return (nonzero == 0 ? bitwidth : bitwidth - floor_log2 (nonzero) - 1);
4286   bitwidth = GET_MODE_BITSIZE (mode);
4287   if (bitwidth > HOST_BITS_PER_WIDE_INT)
4291   return nonzero & ((HOST_WIDE_INT) 1 << (bitwidth - 1))
4292 	 ? 1 : bitwidth - floor_log2 (nonzero) - 1;