From bb2d400f6145f628e9973d529ca4dc017bb5b978 Mon Sep 17 00:00:00 2001
From: Ulrich Weigand <uweigand@de.ibm.com>
Date: Thu, 24 Jun 2004 12:09:44 +0000
Subject: [PATCH] c-decl.c (finish_function): Do not check for
DEFAULT_MAIN_RETURN.
* 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
---
gcc/ChangeLog | 6 ++++++
gcc/c-decl.c | 5 -----
gcc/doc/tm.texi | 10 ----------
gcc/system.h | 3 ++-
4 files changed, 8 insertions(+), 16 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0ea99f4a55ef..e8b77275bbd0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -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.
diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 1f0db19e697a..f3170207a0e7 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -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
}
}
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi
index 70b89f6fa25d..b93941e8771e 100644
--- a/gcc/doc/tm.texi
+++ b/gcc/doc/tm.texi
@@ -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},
diff --git a/gcc/system.h b/gcc/system.h
index abbfb41752f9..1c2bbbe78f75 100644
--- a/gcc/system.h
+++ b/gcc/system.h
@@ -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 \
--
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