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| author | Xinliang David Li <davidxl@google.com> | 2011-04-26 16:06:09 +0000 |
|---|---|---|
| committer | Xinliang David Li <davidxl@gcc.gnu.org> | 2011-04-26 16:06:09 +0000 |
| commit | 2f964ad6d4ec69a76954d90c273db385c807940f (patch) | |
| tree | b94bed7986e2724eb7508e1ebf3f157968133e57 /gcc/tree-ssa.c | |
| parent | 86262bb186922557dba15c5fa21785837f4006cd (diff) | |
| download | gcc-2f964ad6d4ec69a76954d90c273db385c807940f.zip gcc-2f964ad6d4ec69a76954d90c273db385c807940f.tar.gz gcc-2f964ad6d4ec69a76954d90c273db385c807940f.tar.bz2 | |
Implement -Wno-maybe-uninitialized
From-SVN: r172978
Diffstat (limited to 'gcc/tree-ssa.c')
| -rw-r--r-- | gcc/tree-ssa.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/gcc/tree-ssa.c b/gcc/tree-ssa.c index 7f0a077..9ae280a 100644 --- a/gcc/tree-ssa.c +++ b/gcc/tree-ssa.c @@ -1617,10 +1617,11 @@ walk_use_def_chains (tree var, walk_use_def_chains_fn fn, void *data, changed conditionally uninitialized to unconditionally uninitialized. */ /* Emit a warning for T, an SSA_NAME, being uninitialized. The exact - warning text is in MSGID and LOCUS may contain a location or be null. */ + warning text is in MSGID and LOCUS may contain a location or be null. + WC is the warning code. */ void -warn_uninit (tree t, const char *gmsgid, void *data) +warn_uninit (enum opt_code wc, tree t, const char *gmsgid, void *data) { tree var = SSA_NAME_VAR (t); gimple context = (gimple) data; @@ -1644,7 +1645,7 @@ warn_uninit (tree t, const char *gmsgid, void *data) : DECL_SOURCE_LOCATION (var); xloc = expand_location (location); floc = expand_location (DECL_SOURCE_LOCATION (cfun->decl)); - if (warning_at (location, OPT_Wuninitialized, gmsgid, var)) + if (warning_at (location, wc, gmsgid, var)) { TREE_NO_WARNING (var) = 1; @@ -1726,10 +1727,12 @@ warn_uninitialized_var (tree *tp, int *walk_subtrees, void *data_) /* We only do data flow with SSA_NAMEs, so that's all we can warn about. */ if (data->always_executed) - warn_uninit (t, "%qD is used uninitialized in this function", + warn_uninit (OPT_Wuninitialized, + t, "%qD is used uninitialized in this function", data->stmt); else if (data->warn_possibly_uninitialized) - warn_uninit (t, "%qD may be used uninitialized in this function", + warn_uninit (OPT_Wuninitialized, + t, "%qD may be used uninitialized in this function", data->stmt); *walk_subtrees = 0; break; |