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c-decl.c (finish_function): Do not check for DEFAULT_MAIN_RETURN.

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* c-decl.c (finish_function): Do not check for DEFAULT_MAIN_RETURN.
	* system.h (DEFAULT_MAIN_RETURN): Poison.
	* doc/tm.texi (DEFAULT_MAIN_RETURN): Remove documentation.

From-SVN: r83592
This commit is contained in:
Ulrich Weigand 2004-06-24 12:09:44 +00:00 committed by Ulrich Weigand
parent 79a4758dd5
commit bb2d400f61
4 changed files with 8 additions and 16 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2004-06-24 Ulrich Weigand <uweigand@de.ibm.com>
* c-decl.c (finish_function): Do not check for DEFAULT_MAIN_RETURN.
* system.h (DEFAULT_MAIN_RETURN): Poison.
* doc/tm.texi (DEFAULT_MAIN_RETURN): Remove documentation.
2004-06-24 Ben Elliston <bje@au.ibm.com>
* doc/cfg.texi (Edges): Fix typo.

5
gcc/c-decl.c
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@ -6240,13 +6240,8 @@ finish_function (void)
}
else
{
#ifdef DEFAULT_MAIN_RETURN
/* Make it so that `main' always returns success by default. */
DEFAULT_MAIN_RETURN;
#else
if (flag_isoc99)
c_finish_return (integer_zero_node);
#endif
}
}

10
gcc/doc/tm.texi
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@ -8956,16 +8956,6 @@ have names that use @samp{.}. If this macro is defined, these names
are rewritten to avoid @samp{.}.
@end defmac
@defmac DEFAULT_MAIN_RETURN
Define this macro if the target system expects every program's @code{main}
function to return a standard ``success'' value by default (if no other
value is explicitly returned).
The definition should be a C statement (sans semicolon) to generate the
appropriate rtl instructions. It is used only when compiling the end of
@code{main}.
@end defmac
@defmac INSN_SETS_ARE_DELAYED (@var{insn})
Define this macro as a C expression that is nonzero if it is safe for the
delay slot scheduler to place instructions in the delay slot of @var{insn},

3
gcc/system.h
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@ -617,7 +617,8 @@ extern int snprintf (char *, size_t, const char *, ...);
TRADITIONAL_PIPELINE_INTERFACE DFA_PIPELINE_INTERFACE \
DBX_OUTPUT_STANDARD_TYPES BUILTIN_SETJMP_FRAME_VALUE \
SUNOS4_SHARED_LIBRARIES PROMOTE_FOR_CALL_ONLY \
SPACE_AFTER_L_OPTION NO_RECURSIVE_FUNCTION_CSE
SPACE_AFTER_L_OPTION NO_RECURSIVE_FUNCTION_CSE \
DEFAULT_MAIN_RETURN
/* Hooks that are no longer used. */
#pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \