From 6aa77e6c394b8d61c25d146e7d106f4ddf17ca54 Mon Sep 17 00:00:00 2001 From: Aldy Hernandez Date: Fri, 22 Feb 2002 00:09:04 +0000 Subject: attr-alwaysinline.c: New. 2002-02-21 Aldy Hernandez * gcc.dg/attr-alwaysinline.c: New. * c-common.c (c_common_post_options): Set inline trees by default. * doc/extend.texi (Function Attributes): Document always_inline attribute. Update documentation about inlining when not optimizing. * cp/decl.c (duplicate_decls): Merge always_inline attribute. * cp/tree.c (cp_cannot_inline_tree_fn): Do not inline at -O0 unless DECL_ALWAYS_INLINE. * c-objc-common.c (c_cannot_inline_tree_fn): Do not inline at -O0 unless DECL_ALWAYS_INLINE. (c_disregard_inline_limits): Disregard if always_inline set. * langhooks.c (lhd_tree_inlining_disregard_inline_limits): Disregard if always_inline set. (lhd_tree_inlining_cannot_inline_tree_fn): Do not inline at -O0 unless DECL_ALWAYS_INLINE. * attribs.c (handle_always_inline_attribute): New. (c_common_attribute_table): Add always_inline. * config/rs6000/altivec.h: Add prototypes for builtins requiring the always_inline attribute. From-SVN: r49947 --- gcc/attribs.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) (limited to 'gcc/attribs.c') diff --git a/gcc/attribs.c b/gcc/attribs.c index 7cb1172..543931a 100644 --- a/gcc/attribs.c +++ b/gcc/attribs.c @@ -51,6 +51,8 @@ static tree handle_noreturn_attribute PARAMS ((tree *, tree, tree, int, bool *)); static tree handle_noinline_attribute PARAMS ((tree *, tree, tree, int, bool *)); +static tree handle_always_inline_attribute PARAMS ((tree *, tree, tree, int, + bool *)); static tree handle_used_attribute PARAMS ((tree *, tree, tree, int, bool *)); static tree handle_unused_attribute PARAMS ((tree *, tree, tree, int, @@ -109,6 +111,8 @@ static const struct attribute_spec c_common_attribute_table[] = handle_noreturn_attribute }, { "noinline", 0, 0, true, false, false, handle_noinline_attribute }, + { "always_inline", 0, 0, true, false, false, + handle_always_inline_attribute }, { "used", 0, 0, true, false, false, handle_used_attribute }, { "unused", 0, 0, false, false, false, @@ -563,6 +567,31 @@ handle_noinline_attribute (node, name, args, flags, no_add_attrs) return NULL_TREE; } +/* Handle a "always_inline" attribute; arguments as in + struct attribute_spec.handler. */ + +static tree +handle_always_inline_attribute (node, name, args, flags, no_add_attrs) + tree *node; + tree name; + tree args ATTRIBUTE_UNUSED; + int flags ATTRIBUTE_UNUSED; + bool *no_add_attrs; +{ + if (TREE_CODE (*node) == FUNCTION_DECL) + { + /* Do nothing else, just set the attribute. We'll get at + it later with lookup_attribute. */ + } + else + { + warning ("`%s' attribute ignored", IDENTIFIER_POINTER (name)); + *no_add_attrs = true; + } + + return NULL_TREE; +} + /* Handle a "used" attribute; arguments as in struct attribute_spec.handler. */ @@ -1431,3 +1460,4 @@ strip_attrs (specs_attrs) return specs; } + -- cgit v1.1