diff options
| author |   Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> | 2009-10-20 21:41:11 (GMT) |
|---|---|---|
| committer | Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> | 2009-10-20 21:41:11 (GMT) |
| commit | 1a6400b025d2680c997176d2a3d53f2689d921da (patch) | |
| tree | 3a56e757fae4000f8af46dcf617b80321ab629f0 /patches/gcc/4.4.2/190-flatten-switch-stmt-00.patch | |
| parent | 8515a28fce49950c03e8ec5ec1894b67a30f13c5 (diff) | |
cc/gcc: add latest 4.4.2 version as EXPERIMENTAL
Diffstat (limited to 'patches/gcc/4.4.2/190-flatten-switch-stmt-00.patch')
| -rw-r--r-- | patches/gcc/4.4.2/190-flatten-switch-stmt-00.patch | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/patches/gcc/4.4.2/190-flatten-switch-stmt-00.patch b/patches/gcc/4.4.2/190-flatten-switch-stmt-00.patch new file mode 100644 index 0000000..8db1ccc --- /dev/null +++ b/patches/gcc/4.4.2/190-flatten-switch-stmt-00.patch @@ -0,0 +1,24 @@ +diff -durN gcc-4.4.0.orig/gcc/stmt.c gcc-4.4.0/gcc/stmt.c +--- gcc-4.4.0.orig/gcc/stmt.c 2009-02-27 20:49:42.000000000 +0100 ++++ gcc-4.4.0/gcc/stmt.c 2009-05-27 21:38:21.000000000 +0200 +@@ -2376,7 +2376,11 @@ + use_cost_table + = (TREE_CODE (orig_type) != ENUMERAL_TYPE + && estimate_case_costs (case_list)); +- balance_case_nodes (&case_list, NULL); ++ /* When optimizing for size, we want a straight list to avoid ++ jumps as much as possible. This basically creates an if-else ++ chain. */ ++ if (!optimize_size) ++ balance_case_nodes (&case_list, NULL); + emit_case_nodes (index, case_list, default_label, index_type); + if (default_label) + emit_jump (default_label); +@@ -2942,6 +2946,7 @@ + { + if (!node_has_low_bound (node, index_type)) + { ++ if (!optimize_size) /* don't jl to the .default_label. */ + emit_cmp_and_jump_insns (index, + convert_modes + (mode, imode, |