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| author | Steven Bosscher <stevenb@suse.de> | 2004-05-26 22:36:49 +0000 |
|---|---|---|
| committer | Steven Bosscher <steven@gcc.gnu.org> | 2004-05-26 22:36:49 +0000 |
| commit | f667741c42d3bc8082877638726e4d3a22285431 (patch) | |
| tree | 9a721edcedc47294d0570c2ba52be9541243aeec /gcc/tree-gimple.c | |
| parent | e4efa9715632519e202f57250b3d8954b17ac9c9 (diff) | |
| download | gcc-f667741c42d3bc8082877638726e4d3a22285431.zip gcc-f667741c42d3bc8082877638726e4d3a22285431.tar.gz gcc-f667741c42d3bc8082877638726e4d3a22285431.tar.bz2 | |
gimplify.c (compare_case_labels): New function.
* gimplify.c (compare_case_labels): New function.
(gimplify_switch_expr): Sort case labels, and make sure the
last label in the label vector is the default case.
* tree-cfg.c (group_case_labels): New function.
(build_tree_cfg): Cleanup redundant labels and group case labels
before creating edges.
(cleanup_dead_labels): Handle GOTO_EXPRs.
(find_case_label_for_value): Use a binary search to find the
case label for the given value.
* tree-gimple.c: Mention that labels are sorted, and that the
last label must be the default.
From-SVN: r82297
Diffstat (limited to 'gcc/tree-gimple.c')
| -rw-r--r-- | gcc/tree-gimple.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-gimple.c b/gcc/tree-gimple.c index 18bc2f8..e749ec8 100644 --- a/gcc/tree-gimple.c +++ b/gcc/tree-gimple.c @@ -73,6 +73,8 @@ Boston, MA 02111-1307, USA. */ op1 -> stmt op2 -> array of case labels (as LABEL_DECLs?) FIXME: add case value info + The SWITCH_LABELS (op2) are sorted in ascending order, and the + last label in the vector is always the default case. jump-stmt: GOTO_EXPR op0 -> LABEL_DECL | '*' ID |