diff options
| author | dnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-03-26 10:33:36 +0000 |
|---|---|---|
| committer | dnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-03-26 10:33:36 +0000 |
| commit | a63f89638edc7c3120e52faf6815bfe3e9b270e2 (patch) | |
| tree | 61b7552b10852929b89f1cb93878fadffc1885c2 /gcc/gcse.c | |
| parent | 9402409a6bd0d7d1f7358793f768bda3ec8a9574 (diff) | |
| parent | 087a99ba8749638f86c111f776ed326b3fbd97c0 (diff) | |
| download | gcc-cxx-conversion.tar.gz | |
Merged revisions 196607-196608,196611-196614,196625,196629-196634,196636,196639,196645-196647,196649-196650,196654-196659,196666,196669,196671-196675,196682-196683,196694-196695,196697-196698,196700-196701,196704-196706,196709,196721-196748,196750-196751,196753,196755-196758,196762,196764-196765,196767-196771,196773-196779,196781-196784,196788-196792,196795-196797,196799-196800,196804-196807,196810-196814,196821,196823-196825,196828-196829,196831-196832,196834,196841-196842,196847-196853,196855-196856,196858,196860-196861,196864-196866,196868,196870-196872,196874,196876,196878-196879,196882,196884-196890,196896-196897,196899-196902,196954,196956-196961,196964-196965,196970,196977-196978,196981-196983,196989,197002-197005,197007,197011-197012,197016-197019,197021,197023-197025,197029-197034,197036-197042 via svnmerge from cxx-conversion
svn+ssh://gcc.gnu.org/svn/gcc/trunk
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/cxx-conversion@197098 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/gcse.c')
| -rw-r--r-- | gcc/gcse.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gcc/gcse.c b/gcc/gcse.c index 97ea6d7a884..3482f8faf62 100644 --- a/gcc/gcse.c +++ b/gcc/gcse.c @@ -915,8 +915,9 @@ oprs_unchanged_p (const_rtx x, const_rtx insn, int avail_p) } case MEM: - if (load_killed_in_block_p (current_bb, DF_INSN_LUID (insn), - x, avail_p)) + if (! flag_gcse_lm + || load_killed_in_block_p (current_bb, DF_INSN_LUID (insn), + x, avail_p)) return 0; else return oprs_unchanged_p (XEXP (x, 0), insn, avail_p); @@ -1496,10 +1497,14 @@ canon_list_insert (rtx dest ATTRIBUTE_UNUSED, const_rtx x ATTRIBUTE_UNUSED, static void record_last_mem_set_info (rtx insn) { - int bb = BLOCK_FOR_INSN (insn)->index; + int bb; + + if (! flag_gcse_lm) + return; /* load_killed_in_block_p will handle the case of calls clobbering everything. */ + bb = BLOCK_FOR_INSN (insn)->index; modify_mem_list[bb].safe_push (insn); bitmap_set_bit (modify_mem_list_set, bb); |