r265942 - in /trunk/gcc: ChangeLog cfgexpand.c ...

[bergner@gcc.gnu.org]

Author: bergner
Date: Thu Nov  8 22:39:45 2018
New Revision: 265942

URL: https://gcc.gnu.org/viewcvs?rev=265942&root=gcc&view=rev
Log:
gcc/
	PR rtl-optimization/87600
	* cfgexpand.c (expand_asm_stmt): Catch illegal asm constraint usage.
	* lra-constraints.c (process_alt_operands): Skip illegal hard
	register usage.  Prefer reloading non hard register operands.

gcc/testsuite/
	PR rtl-optimization/87600
	* gcc.dg/pr87600.h: New file.
	* gcc.dg/pr87600-1.c: New test.
	* gcc.dg/pr87600-2.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/pr87600-1.c
    trunk/gcc/testsuite/gcc.dg/pr87600-2.c
    trunk/gcc/testsuite/gcc.dg/pr87600.h
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/lra-constraints.c
    trunk/gcc/testsuite/ChangeLog