r266303 - in /branches/gcc-8-branch/gcc: Change...

[ebotcazou@gcc.gnu.org]

Author: ebotcazou
Date: Tue Nov 20 09:03:03 2018
New Revision: 266303

URL: https://gcc.gnu.org/viewcvs?rev=266303&root=gcc&view=rev
Log:
	PR rtl-optimization/85925
	* rtl.h (word_register_operation_p): New predicate.
	* combine.c (record_dead_and_set_regs_1): Only apply specific handling
	for WORD_REGISTER_OPERATIONS targets to word_register_operation_p RTX.
	* rtlanal.c (nonzero_bits1): Likewise.  Adjust couple of comments.
	(num_sign_bit_copies1): Likewise.

Added:
    branches/gcc-8-branch/gcc/testsuite/gcc.c-torture/execute/20181120-1.c
      - copied unchanged from r266302, trunk/gcc/testsuite/gcc.c-torture/execute/20181120-1.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/combine.c
    branches/gcc-8-branch/gcc/rtl.h
    branches/gcc-8-branch/gcc/rtlanal.c
    branches/gcc-8-branch/gcc/testsuite/ChangeLog