[Bug bootstrap/81995] [8.0 Regression] gcc/reg-stack.c:2073:1: error: unrecognizable insn:

[uros at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81995

--- Comment #2 from uros at gcc dot gnu.org ---
Author: uros
Date: Sun Aug 27 18:01:46 2017
New Revision: 251369

URL: https://gcc.gnu.org/viewcvs?rev=251369&root=gcc&view=rev
Log:
        PR target/81995
        * config/i386/i386.md (*<btsc><mode>): Change operand 2
        predicate to register_operand.  Reorder operands.
        (*btr<mode>): Ditto.
        (*<btsc><mode>_mask): Change operand 3 predicate to register_operand.
        (*btr<mode>_mask): Ditto.

testsuite/ChangeLog:

        PR target/81995
        * gcc.target/i386/pr46091-4.c: Add -mregparm=2 for 32bit targets.
        * gcc.target/i386/pr46091-4a.c: Ditto.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/i386/pr46091-4.c
    trunk/gcc/testsuite/gcc.target/i386/pr46091-4a.c