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Re: [03/13] Use function_arg_info for TARGET_ARG_PARTIAL_BYTES


On 8/19/19 9:14 AM, Richard Sandiford wrote:
> This patch adds the function_arg_info class and uses it for
> TARGET_ARG_PARTIAL_BYTES.
> 
> The hook is passed the promoted mode instead of the original type mode.
> 
> The arguments aren't mentioned in the documentation, which is why the
> target.def change is so small.
> 
> The patch changes "true" to "arg.named" in:
> 
>   gcc_assert (!epiphany_pass_by_reference (cum, mode, type, /* named */ true));
> 
> but epiphany_pass_by_reference doesn't care about the named flag.
> 
> 
> 2019-08-19  Richard Sandiford  <richard.sandiford@arm.com>
> 
> gcc/
> 	* target.def (arg_partial_bytes): Take a function_arg_info instead
> 	of a mode, type and named flag.
> 	* doc/tm.texi: Regenerate.
> 	* target.h (function_arg_info): Declare.
> 	* calls.h (function_arg_info): New class.
> 	* targhooks.h (hook_int_CUMULATIVE_ARGS_mode_tree_bool_0): Delete.
> 	(hook_int_CUMULATIVE_ARGS_arg_info_0): Declare.
> 	* targhooks.c (hook_int_CUMULATIVE_ARGS_mode_tree_bool_0): Delete.
> 	(hook_int_CUMULATIVE_ARGS_arg_info_0): New function.
> 	* calls.c (initialize_argument_information): Update call to
> 	targetm.calls.partial_bytes.
> 	(emit_library_call_value_1): Likewise.
> 	* expr.c (block_move_libcall_safe_for_call_parm): Likewise.
> 	* function.c (assign_parm_find_entry_rtl): Likewise.
> 	* config/alpha/alpha.c (alpha_arg_partial_bytes): Take a
> 	function_arg_info instead of a mode, type and named flag.
> 	* config/arc/arc.c (arc_arg_partial_bytes): Likewise.
> 	* config/arm/arm.c (arm_arg_partial_bytes): Likewise.
> 	(cmse_func_args_or_return_in_stack): Update accordingly.
> 	* config/bfin/bfin.c (bfin_arg_partial_bytes): Take a
> 	function_arg_info instead of a mode, type and named flag.
> 	* config/cris/cris.c (cris_arg_partial_bytes): Likewise.
> 	* config/csky/csky.c (csky_arg_partial_bytes): Likewise.
> 	* config/epiphany/epiphany.c (epiphany_arg_partial_bytes): Likewise.
> 	* config/fr30/fr30.c: Include calls.h.
> 	(fr30_arg_partial_bytes): Take a function_arg_info instead of a mode,
> 	type and named flag.
> 	* config/frv/frv.c: Include calls.h.
> 	(frv_arg_partial_bytes): Take a function_arg_info instead of a mode,
> 	type and named flag.
> 	* config/ft32/ft32.c (ft32_arg_partial_bytes): Likewise.
> 	* config/gcn/gcn.c (gcn_arg_partial_bytes): Likewise.
> 	* config/ia64/ia64.c (ia64_arg_partial_bytes): Likewise.
> 	* config/iq2000/iq2000.c (iq2000_arg_partial_bytes): Likewise.
> 	* config/m32r/m32r.c (m32r_arg_partial_bytes): Likewise.
> 	* config/mcore/mcore.c (mcore_arg_partial_bytes): Likewise.
> 	* config/microblaze/microblaze.c (function_arg_partial_bytes):
> 	Likewise.
> 	* config/mips/mips.c (mips_arg_partial_bytes): Likewise.
> 	* config/mn10300/mn10300.c (mn10300_arg_partial_bytes): Likewise.
> 	* config/moxie/moxie.c (moxie_arg_partial_bytes): Likewise.
> 	* config/msp430/msp430.c (msp430_arg_partial_bytes): Likewise.
> 	* config/nds32/nds32.c (nds32_arg_partial_bytes): Likewise.
> 	* config/nios2/nios2.c (nios2_arg_partial_bytes): Likewise.
> 	* config/pa/pa.c (pa_arg_partial_bytes): Likewise.
> 	* config/pru/pru.c (pru_arg_partial_bytes): Likewise.
> 	* config/riscv/riscv.c (riscv_arg_partial_bytes): Likewise.
> 	* config/rs6000/rs6000-internal.h (rs6000_arg_partial_bytes): Likewise.
> 	* config/rs6000/rs6000-call.c (rs6000_arg_partial_bytes): Likewise.
> 	(rs6000_parm_needs_stack): Update call accordingly.
> 	* config/sh/sh.c (sh_arg_partial_bytes): Take a
> 	function_arg_info instead of a mode, type and named flag.
> 	* config/sparc/sparc.c (sparc_arg_partial_bytes): Likewise.
> 	* config/v850/v850.c (v850_arg_partial_bytes): Likewise.
OK
jeff


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