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Subject: [Bug target/39002] codegen bug, stack pointer is not restored
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------- Comment #14 from ubizjak at gmail dot com  2009-01-29 08:05 -------
Cc the author of the patch:

Author: hubicka
Date: Tue Jan  6 15:08:44 2009
New Revision: 143119

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=143119
Log:

        * i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used for w64 ABI.
        * i386.c (struct ix86_frame): Add padding0 and nsseregs.
        (ix86_nsaved_regs): Count only general purpose regs.
        (ix86_nsaved_sseregs): New.
        (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
        to 16 for w64; compute padding and size of sse reg save area.
        (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only general
        purpose regs.
        (ix86_emit_save_sse_regs_using_mov): New.
        (ix86_expand_prologue): Save SSE regs if needed.
        (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
        (ix86_emit_restore_sse_regs_using_mov): New.
        (ix86_expand_epilogue): Save SSE regs if needed.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.h


-- 

ubizjak at gmail dot com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hubicka at gcc dot gnu dot
                   |                            |org
             Status|WAITING                     |NEW
          Component|c++                         |target
     Ever Confirmed|0                           |1
   Last reconfirmed|0000-00-00 00:00:00         |2009-01-29 08:05:29
               date|                            |
            Summary|codegen bug?                |codegen bug, stack pointer
                   |                            |is not restored


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39002