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re PR c++/17115 (-Winline does not respect __attribute__((__noinline__)))

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PR c++/17115
	* tree-inline.c (expand_call_inline): Do not warn for functions
	marked with attribute noinline.

	PR c++/17115
	* g++.dg/warn/Winline-4.C: New test.

From-SVN: r88678
This commit is contained in:
Giovanni Bajo 2004-10-07 08:36:28 +00:00
parent 22d66adf5d
commit 09ebcffa19
4 changed files with 30 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2004-10-07 Giovanni Bajo <giovannibajo@gcc.gnu.org>
PR c++/17115
* tree-inline.c (expand_call_inline): Do not warn for functions
marked with attribute noinline.
2004-10-07 Eric Botcazou <ebotcazou@libertysurf.fr>
PR target/17862

5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2004-10-07 Giovanni Bajo <giovannibajo@gcc.gnu.org>
PR c++/17115
* g++.dg/warn/Winline-4.C: New test.
2004-10-07 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
* gcc.c-torture/compile/20041007-1.c: New test.

17
gcc/testsuite/g++.dg/warn/Winline-4.C Normal file
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@ -0,0 +1,17 @@
// { dg-do compile }
// { dg-options "-O2 -Winline" }
// Origin: <markus at oberhumer dot com>
// PR 17115: We should not emit -Winline warning for functions marked with
// noinline
struct Foo {
__attribute__((noinline)) int a(int r) { return r & 1; }
virtual __attribute__((noinline)) int b(int r) { return r & 1; }
static __attribute__((noinline)) int c(int r) { return r & 1; }
};
int bar(int r) {
Foo f;
int k = 1; k &= f.a(r); k &= f.b(r); k &= f.a(r);
return k;
}

3
gcc/tree-inline.c
View File

@ -1475,7 +1475,8 @@ expand_call_inline (tree *tp, int *walk_subtrees, void *data)
}
else if (warn_inline && DECL_DECLARED_INLINE_P (fn)
&& !DECL_IN_SYSTEM_HEADER (fn)
&& strlen (reason))
&& strlen (reason)
&& !lookup_attribute ("noinline", DECL_ATTRIBUTES (fn)))
{
warning ("%Jinlining failed in call to '%F': %s", fn, fn, reason);
warning ("called from here");