re PR target/89112 (Incorrect code generated by rs6000 memcmp expansion)

re PR target/89112 (Incorrect code generated by rs6000 memcmp expansion)

2019-02-05  Aaron Sawdey  <acsawdey@linux.ibm.com>

	PR target/89112
	* config/rs6000/rs6000-string.c (do_ifelse, expand_cmp_vec_sequence,
	expand_compare_loop, expand_block_compare_gpr,
	expand_strncmp_align_check, expand_strncmp_gpr_sequence): Insert
	REG_BR_PROB notes in inline expansion of memcmp/strncmp. Add
	#include "profile-count.h" and "predict.h" for types and functions
	needed to work with REG_BR_PROB notes.

From-SVN: r268547