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Re: [patch] Resubmission in an attempt to get someones attention

On Thu, Dec 06, 2001 at 11:21:54AM -0800, Steve Ellcey wrote:
> I submitted this patch last week and had some discussion with Jim
> Wilson about it but he is unable to check it in due to being swamped
> with other work so I am resubmitting it in the hopes that someone
> will check it in for me (or give a reason for rejection).

If someone (Jim?) approves this I'll volunteer to commit the changes
after running a bootstrap and test run on ia64-linux.

This probably deserves at least one new test, even if it only affects


> 2001-11-28  Steve Ellcey  <>
> 	* target.h (targetm.struct_arg_reg_little_endian): New.
> 	* calls.c (store_unaligned_arguments_into_pseudos): Check
> 	targetm.struct_arg_reg_little_endian to see how structures
> 	are passed/returned.
> 	* expr.c (move_block_from_reg): Ditto.
> 	(move_block_from_reg): Ditto.
> 	(copy_blkmode_from_reg): Ditto.
> 	* stmt.c (expand_return): Ditto.
> 	* stor-layout.c (compute_record_mode): If
> 	targetm.struct_arg_reg_little_endian is set then check 
> 	MEMBER_TYPE_FORCES_BLK even if mode == VOIDmode.
> 	* config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Set to true
> 	so that Structures of one field are still treated as structures.
> 	(TARGET_STRUCT_ARG_REG_LITTLE_ENDIAN): New, set it to true.
> 	(FUNCTION_ARG_PADDING): Set to ia64_hpux_function_arg_padding().
> 	(PAD_VARARGS_DOWN): Modify from default to not pad structures down.
> 	* ia64-protos.h (ia64_hpux_function_arg_padding): New.
> 	* ia64.c (ia64_hpux_function_arg_padding): New function to special
> 	case handling of structure padding.

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