r270955 - in /trunk/gcc: ChangeLog cfgexpand.c ...

[uros@gcc.gnu.org]

Author: uros
Date: Tue May  7 15:42:42 2019
New Revision: 270955

URL: https://gcc.gnu.org/viewcvs?rev=270955&root=gcc&view=rev
Log:
	* cfgexpand.c (asm_clobber_reg_is_valid): Reject
	clobbers outside of accessible_reg_set.
	* config/i386/i386.c (ix86_conditional_register_usage):
	Disable register sets by clearing corresponding bits in
	accessible_reg_set.  Do not set corresponding bits in fixed_regs,
	call_used_regs and don't clear corresponding reg_names array members.

testsuite/ChangeLog:

	* gcc.target/i386/asm-7.c: New test.
	* gcc.target/i386/asm-1.c: Update expected error string.
	* gcc.target/i386/pr62120.c: Ditto.


Added:
    trunk/gcc/testsuite/gcc.target/i386/asm-7.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/i386/asm-1.c
    trunk/gcc/testsuite/gcc.target/i386/pr62120.c