backport: re PR middle-end/89281 (gcc/optabs.c:3901:30: runtime error: shift exponent...

backport: re PR middle-end/89281 (gcc/optabs.c:3901:30: runtime error: shift exponent 32 is too large for 32-bit type 'int')

	Backported from mainline
	2019-02-13  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/89281
	* optabs.c (prepare_cmp_insn): Use UINTVAL (size) instead of
	INTVAL (size), compare it to GET_MODE_MASK instead of
	1 << GET_MODE_BITSIZE.

From-SVN: r275108