diff options
author | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-23 22:38:07 +0000 |
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committer | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-23 22:38:07 +0000 |
commit | d50c928e67d2bd64e040ecd7f477d98ac292aaa2 (patch) | |
tree | 038e4ef05b151e206ff2a9f886f4e37da5257eca /gcc | |
parent | 3ec9142faed847df200c16d74b6e50d8b06cfcae (diff) |
* tree-cfg.c (tree_forwarder_block_p): Speed up by reordering
two checks.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@91108 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/tree-cfg.c | 6 |
2 files changed, 8 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dbc9d4cc9e9..a16e9b6f041 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2004-11-23 Kazu Hirata <kazu@cs.umass.edu> + + * tree-cfg.c (tree_forwarder_block_p): Speed up by reordering + two checks. + 2004-11-23 Zack Weinberg <zack@codesourcery.com> * function.h (struct function): Remove calls_longjmp. diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index bcd025f717d..aa4ba4664df 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -3907,9 +3907,6 @@ tree_forwarder_block_p (basic_block bb) gcc_assert (bb != ENTRY_BLOCK_PTR); #endif - if (find_edge (ENTRY_BLOCK_PTR, bb)) - return false; - /* Now walk through the statements. We can ignore labels, anything else means this is not a forwarder block. */ for (bsi = bsi_start (bb); !bsi_end_p (bsi); bsi_next (&bsi)) @@ -3928,6 +3925,9 @@ tree_forwarder_block_p (basic_block bb) } } + if (find_edge (ENTRY_BLOCK_PTR, bb)) + return false; + return true; } |