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Subject: [Bug middle-end/36253] Caller-save stack slot may not have proper alignment
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------- Comment #5 from hjl at gcc dot gnu dot org  2008-05-26 14:00 -------
Subject: Bug 36253

Author: hjl
Date: Mon May 26 13:59:56 2008
New Revision: 135927

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=135927
Log:
2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/36253
        * caller-save.c (insert_restore): Verify alignment of spill
        space.
        (insert_save): Likewise.

        * cfgexpand.c (LOCAL_ALIGNMENT): Removed.

        * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
        (STACK_SLOT_ALIGNMENT): Likewise.

        * function.c (LOCAL_ALIGNMENT): Removed.
        (get_stack_local_alignment): New.
        (assign_stack_local): Use it.  Set alignment on stack slot.
        (assign_stack_temp_for_type): Use get_stack_local_alignment.

        * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
        (STACK_SLOT_ALIGNMENT): New.

        * config/i386/i386.c (ix86_local_alignment): Handle caller-save
        stack slot in XFmode.

        * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/caller-save.c
    trunk/gcc/cfgexpand.c
    trunk/gcc/config/i386/i386-protos.h
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.h
    trunk/gcc/defaults.h
    trunk/gcc/doc/tm.texi
    trunk/gcc/function.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36253