+2012-07-10 Andreas Schwab <schwab@linux-m68k.org>
+
+ PR bootstrap/53913
+ * config/m68k/m68k.c (m68k_epilogue_uses): New.
+ * config/m68k/m68k.h (EPILOGUE_USES): Use it.
+ * config/m68k/m68k-protos.h (m68k_epilogue_uses): Add prototype.
+
2012-07-10 Richard Henderson <rth@redhat.com>
* target.def (builtin_mul_widen_even, builtin_mul_widen_odd): Remove.
/* Definitions of target machine for GNU compiler. Sun 68000/68020 version.
- Copyright (C) 2000, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+ Copyright (C) 2000, 2002, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012
Free Software Foundation, Inc.
This file is part of GCC.
extern bool m68k_movem_pattern_p (rtx, rtx, HOST_WIDE_INT, bool);
extern const char *m68k_output_movem (rtx *, rtx, HOST_WIDE_INT, bool);
extern void m68k_final_prescan_insn (rtx, rtx *, int);
+extern bool m68k_epilogue_uses (int);
/* Functions from m68k.c used in constraints.md. */
extern rtx m68k_unwrap_symbol (rtx, bool);
init_sync_libfuncs (UNITS_PER_WORD);
}
+/* Implements EPILOGUE_USES. All registers are live on exit from an
+ interrupt routine. */
+bool
+m68k_epilogue_uses (int regno ATTRIBUTE_UNUSED)
+{
+ return (reload_completed
+ && (m68k_get_function_kind (current_function_decl)
+ == m68k_fk_interrupt_handler));
+}
+
#include "gt-m68k.h"
/* Before the prologue, the top of the frame is at 4(%sp). */
#define INCOMING_FRAME_SP_OFFSET 4
-/* All registers are live on exit from an interrupt routine. */
-#define EPILOGUE_USES(REGNO) \
- (reload_completed \
- && (m68k_get_function_kind (current_function_decl) \
- == m68k_fk_interrupt_handler))
+#define EPILOGUE_USES(REGNO) m68k_epilogue_uses (REGNO)
/* Describe how we implement __builtin_eh_return. */
#define EH_RETURN_DATA_REGNO(N) \