+2009-09-09 Kai Tietz <kai.tietz@onevision.com>
+
+ PR/41315
+ * config/i386.c (ix86_can_use_return_insn_p): Check for
+ padding0, too.
+ (ix86_expand_prologue): Take frame.padding0 into logic of
+ to_allocate checks.
+ (ix86_expand_epilogue): Likewise.
+
2009-09-09 Jakub Jelinek <jakub@redhat.com>
* config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
return 0;
ix86_compute_frame_layout (&frame);
- return frame.to_allocate == 0 && (frame.nregs + frame.nsseregs) == 0;
+ return frame.to_allocate == 0 && frame.padding0 == 0
+ && (frame.nregs + frame.nsseregs) == 0;
}
\f
/* Value should be nonzero if functions must have frame pointers.
&& (! TARGET_STACK_PROBE || allocate < CHECK_STACK_LIMIT)))
{
if (!frame_pointer_needed
- || !frame.to_allocate
+ || !(frame.to_allocate + frame.padding0)
|| crtl->stack_realign_needed)
ix86_emit_save_regs_using_mov (stack_pointer_rtx,
frame.to_allocate
-frame.nregs * UNITS_PER_WORD);
}
if (!frame_pointer_needed
- || !frame.to_allocate
+ || !(frame.to_allocate + frame.padding0)
|| crtl->stack_realign_needed)
ix86_emit_save_sse_regs_using_mov (stack_pointer_rtx,
frame.to_allocate);
if ((!sp_valid && (frame.nregs + frame.nsseregs) <= 1)
|| (TARGET_EPILOGUE_USING_MOVE
&& cfun->machine->use_fast_prologue_epilogue
- && ((frame.nregs + frame.nsseregs) > 1 || frame.to_allocate))
+ && ((frame.nregs + frame.nsseregs) > 1
+ || (frame.to_allocate + frame.padding0) != 0))
|| (frame_pointer_needed && !(frame.nregs + frame.nsseregs)
- && frame.to_allocate)
+ && (frame.to_allocate + frame.padding0) != 0)
|| (frame_pointer_needed && TARGET_USE_LEAVE
&& cfun->machine->use_fast_prologue_epilogue
&& (frame.nregs + frame.nsseregs) == 1)
be addressed by bp. sp must be used instead. */
if (!frame_pointer_needed
- || (sp_valid && !frame.to_allocate)
+ || (sp_valid && !(frame.to_allocate + frame.padding0))
|| stack_realign_fp)
{
ix86_emit_restore_sse_regs_using_mov (stack_pointer_rtx,
GEN_INT (frame.nsseregs * 16 + frame.padding0),
style, false);
}
- else if (frame.to_allocate || frame.nsseregs)
+ else if (frame.to_allocate || frame.padding0 || frame.nsseregs)
{
ix86_emit_restore_sse_regs_using_mov (stack_pointer_rtx,
frame.to_allocate, red_offset,