[Bug target/63668] -mstd-struct-return fails for non-leaf functions

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63668

--- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Mon Dec  7 23:18:29 2015
New Revision: 231387

URL: https://gcc.gnu.org/viewcvs?rev=231387&root=gcc&view=rev
Log:
        PR target/63668
        * doc/invoke.texi (SPARC options): Document -mstd-struct-return.
        * config/sparc/sparc.c (sparc_struct_value_rtx): Minor tweaks.
        * config/sparc/sparc.h (CALL_REALLY_USED_REGISTERS): Define.
        * config/sparc/sparc.opt (mstd-struct-return): Accept negative form.

Added:
    trunk/gcc/testsuite/gcc.target/sparc/struct-ret-check-1.c
      - copied unchanged from r231372,
trunk/gcc/testsuite/gcc.target/sparc/struct-ret-check.c
    trunk/gcc/testsuite/gcc.target/sparc/struct-ret-check-2.c
Removed:
    trunk/gcc/testsuite/gcc.target/sparc/struct-ret-check.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/sparc/sparc.c
    trunk/gcc/config/sparc/sparc.h
    trunk/gcc/config/sparc/sparc.opt
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog