* builtins.c (std_gimplify_va_arg_expr): Use

	targetm.calls.function_arg_boundary.
	* function.c (assign_parms, locate_and_pad_parm): Likewise.
	* calls.c (struct arg_data): Update comment.
	* defaults.h (FUNCTION_ARG_BOUNDARY): Delete.
	* target.def (function_arg_boundary): Define.
	* targhooks.h (default_function_arg_boundary): Declare.
	* targhooks.c (default_function_arg_boundary): Define.
	* doc/tm.texi.in (FUNCTION_ARG_PADDING): Use
	TARGET_FUNCTION_ARG_BOUNDARY.
	(FUNCTION_ARG_BOUNDARY): Delete.
	(TARGET_FUNCTION_ARG_BOUNDARY): New.
	* doc/tm.texi: Regenerate.
	* system.h (FUNCTION_ARG_BOUNDARY): Poison.
	* config/arc/arc.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/arc/arc.c (arc_function_arg_boundary): Define.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/arm/arm.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/arm/arm-protos.h (arm_needs_doubleword_align): Delete.
	* config/arm/arm.c (arm_needs_doubleword_align): Make static.
	(arm_function_arg_boundary): Define.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/frv/frv.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/frv/frv-protos.h (frv_function_arg_boundary): Delete.
	* config/frv/frv.c (frv_function_arg_boundary): Make static.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/i386/i386.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/i386/i386-protos.h (ix86_function_arg_boundary): Delete.
	* config/i386/i386.c (ix86_function_arg_boundary): Make static.
	(ix86_compat_function_arg_boundary): Take and return unsigned int.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/ia64/ia64-protos.h (ia64_function_arg_boundary): Delete.
	* config/ia64/ia64.c (ia64_function_arg_boundary): Make static.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/m32c/m32c.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/m32c/m32c.c (m32c_function_arg_boundary): Define.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/m32r/m32r.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/mcore/mcore.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/mcore/mcore.c (mcore_function_arg_boundary): Define.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/mips/mips-protos.h (mips_function_arg_boundary): Delete.
	* config/mips/mips.c (mips_function_arg_boundary): Make static.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/pa/pa.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/pa/pa.c (pa_function_arg_boundary): Define.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/picochip/picochip.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/picochip/picochip-protos.h
	(picochip_get_function_arg_boundary): Delete.
	* config/picochip/picochip.c (picochip_get_function_arg_boundary):
	Rename to...
	(picochip_function_arg_boundary): ...this.  Make static.
	(picochip_function_arg, picochip_arg_partial_bytes): Adjust.
	(picochip_arg_advance): Adjust.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/rs6000/rs6000.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/rs6000/rs6000-protos.h (function_arg_boundary): Delete.
	* config/rs6000/rs6000.c (function_arg_boundary): Rename to...
	(rs6000_function_arg_boundary): ...this.  Make static.
	(rs6000_parm_start, rs6000_gimplify_va_arg): Adjust.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/rx/rx.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/rx/rx.c (rx_function_arg_boundary): Define.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/sparc/sparc.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/sparc/sparc.c (sparc_function_arg_boundary): Define.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.
	* config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Delete.
	* config/xtensa/xtensa-protos.h (function_arg_boundary): Delete.
	* config/xtensa/xtensa.c (function_arg_boundary): Rename to...
	(xtensa_function_arg_boundary): ...this.  Make static.
	(TARGET_FUNCTION_ARG_BOUNDARY): Define.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@166803 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 17 insertions, 0 deletions

diff --git a/gcc/config/pa/pa.c b/gcc/config/pa/pa.c
index 076d2dec755..988d80fcd1f 100644
--- a/gcc/config/pa/pa.c
+++ b/gcc/config/pa/pa.c
@@ -164,6 +164,7 @@ static void pa_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
 				     const_tree, bool);
 static rtx pa_function_arg (CUMULATIVE_ARGS *, enum machine_mode,
 			    const_tree, bool);
+static unsigned int pa_function_arg_boundary (enum machine_mode, const_tree);
 static struct machine_function * pa_init_machine_status (void);
 static reg_class_t pa_secondary_reload (bool, rtx, reg_class_t,
 					enum machine_mode,
@@ -351,6 +352,8 @@ static const struct default_options pa_option_optimization_table[] =
 #define TARGET_FUNCTION_ARG pa_function_arg
 #undef TARGET_FUNCTION_ARG_ADVANCE
 #define TARGET_FUNCTION_ARG_ADVANCE pa_function_arg_advance
+#undef TARGET_FUNCTION_ARG_BOUNDARY
+#define TARGET_FUNCTION_ARG_BOUNDARY pa_function_arg_boundary
 
 #undef TARGET_EXPAND_BUILTIN_SAVEREGS
 #define TARGET_EXPAND_BUILTIN_SAVEREGS hppa_builtin_saveregs
@@ -9600,6 +9603,20 @@ pa_function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode,
   return retval;
 }
 
+/* Arguments larger than one word are double word aligned.  */
+
+static unsigned int
+pa_function_arg_boundary (enum machine_mode mode, const_tree type)
+{
+  tree size = TYPE_SIZE (type);
+  bool singleword = (type
+		     ? (integer_zerop (size)
+			|| !TREE_CONSTANT (size)
+			|| int_size_in_bytes (type) <= UNITS_PER_WORD)
+		     : GET_MODE_SIZE (mode));
+
+  return singleword ? PARM_BOUNDARY : MAX_PARM_BOUNDARY;
+}
 
 /* If this arg would be passed totally in registers or totally on the stack,
    then this routine should return zero.  */