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From: "gjl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/53256] [avr] Attribute 'interrupt' shall override attribute 'signal'
Date: Wed, 09 May 2012 16:40:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53256

--- Comment #1 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2012-05-09 16:29:06 UTC ---
Author: gjl
Date: Wed May  9 16:28:53 2012
New Revision: 187342

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=187342
Log:
    PR target/53256
    * config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
    * config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
    * config/avr/avr.h (struct machine_function): Add attributes_checked_p.
    * config/avr/avr.c (avr_asm_declare_function_name): Remove.
    (expand_prologue): Move initialization of cfun->machine->is_naked,
    is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
    (avr_set_current_function): ...this new static function.
    (TARGET_SET_CURRENT_FUNCTION): New define.
    (avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
    checking attributes of current_function_decl.
    (avr_regs_to_save): Ditto.
    (signal_function_p): Rename to avr_signal_function_p.
    (interrupt_function_p): Rename to avr_interrupt_function_p.
    * doc/extend.texi (Function Attributes): Better explanation of
    'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
    alphabetical order.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/avr/avr-protos.h
    trunk/gcc/config/avr/avr.c
    trunk/gcc/config/avr/avr.h
    trunk/gcc/config/avr/elf.h
    trunk/gcc/doc/extend.texi