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| author | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1996-07-25 01:47:52 +0000 |
|---|---|---|
| committer | kenner <kenner@138bc75d-0d04-0410-961f-82ee72b054a4> | 1996-07-25 01:47:52 +0000 |
| commit | b57a11614526a501e1ca7037256dafb995074101 (patch) | |
| tree | d32255c9069f1a7865b6c44e8c2832c5a581731c /gcc/cse.c | |
| parent | 5804ae7d4751731f70368f70cdfe5b8eee394ea5 (diff) | |
| download | ppe42-gcc-b57a11614526a501e1ca7037256dafb995074101.tar.gz ppe42-gcc-b57a11614526a501e1ca7037256dafb995074101.zip | |
(canon_hash, cse_insn): MEM is not unchanging if it is in the frame (since
the temp slot might be reused).
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@12562 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/cse.c b/gcc/cse.c index ba816d780c0..b54854e815e 100644 --- a/gcc/cse.c +++ b/gcc/cse.c @@ -1945,7 +1945,7 @@ canon_hash (x, mode) do_not_record = 1; return 0; } - if (! RTX_UNCHANGING_P (x)) + if (! RTX_UNCHANGING_P (x) || FIXED_BASE_PLUS_P (XEXP (x, 0))) { hash_arg_in_memory = 1; if (MEM_IN_STRUCT_P (x)) hash_arg_in_struct = 1; @@ -7377,7 +7377,9 @@ cse_insn (insn, in_libcall_block) elt = insert (dest, sets[i].src_elt, sets[i].dest_hash, GET_MODE (dest)); elt->in_memory = (GET_CODE (sets[i].inner_dest) == MEM - && ! RTX_UNCHANGING_P (sets[i].inner_dest)); + && (! RTX_UNCHANGING_P (sets[i].inner_dest) + || FIXED_BASE_PLUS_P (XEXP (sets[i].inner_dest, + 0)))); if (elt->in_memory) { |
