From: Pavel Roskin <proski@gnu.org>
To: linux-sparse@vger.kernel.org
Subject: [PATCH] Ignore "cold" and "hot" attributes, which appeared in gcc 4.3
Date: Fri, 25 Apr 2008 04:25:35 -0400 [thread overview]
Message-ID: <20080425082534.7034.76060.stgit@dv.roinet.com> (raw)
They describe how likely the function is to be executed, which can
affect optimization. Also ignore attributes with underscores.
Signed-off-by: Pavel Roskin <proski@gnu.org>
---
ident-list.h | 2 ++
parse.c | 4 ++++
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/ident-list.h b/ident-list.h
index 8fcd7de..6104826 100644
--- a/ident-list.h
+++ b/ident-list.h
@@ -74,6 +74,8 @@ IDENT(__malloc__);
IDENT(nonnull); IDENT(__nonnull); IDENT(__nonnull__);
IDENT(constructor); IDENT(__constructor__);
IDENT(destructor); IDENT(__destructor__);
+IDENT(cold); IDENT(__cold__);
+IDENT(hot); IDENT(__hot__);
IDENT(cdecl); IDENT(__cdecl__);
IDENT(stdcall); IDENT(__stdcall__);
IDENT(fastcall); IDENT(__fastcall__);
diff --git a/parse.c b/parse.c
index 137ba77..877414c 100644
--- a/parse.c
+++ b/parse.c
@@ -353,6 +353,10 @@ static struct init_keyword {
{ "__constructor__", NS_KEYWORD, .op = &ignore_attr_op },
{ "destructor", NS_KEYWORD, .op = &ignore_attr_op },
{ "__destructor__", NS_KEYWORD, .op = &ignore_attr_op },
+ { "cold", NS_KEYWORD, .op = &ignore_attr_op },
+ { "__cold__", NS_KEYWORD, .op = &ignore_attr_op },
+ { "hot", NS_KEYWORD, .op = &ignore_attr_op },
+ { "__hot__", NS_KEYWORD, .op = &ignore_attr_op },
};
void init_parser(int stream)
reply other threads:[~2008-04-25 8:25 UTC|newest]
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