r261128 - in /trunk/gcc: ChangeLog gimple-ssa-s...

[ebotcazou@gcc.gnu.org]

Author: ebotcazou
Date: Sun Jun  3 11:51:10 2018
New Revision: 261128

URL: https://gcc.gnu.org/viewcvs?rev=261128&root=gcc&view=rev
Log:
	PR tree-optimization/86034
	* gimple-ssa-store-merging.c (output_merged_store): Convert the RHS to
	the unsigned bitfield type in a bit insertion sequence if it does not
	have a larger precision than the bitfield size.
	(process_store): Also bypass widening conversions for BIT_INSERT_EXPR.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr86034.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-store-merging.c
    trunk/gcc/testsuite/ChangeLog