* 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. From-SVN: r166803
