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| author | J"orn Rennecke <amylaar@cygnus.co.uk> | 1998-07-06 22:53:34 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-07-06 16:53:34 -0600 |
| commit | 6186ed06d2f4294816b5514bb01383d7dc2b2045 (patch) | |
| tree | c85be3c0128c21f521e65f94c04b2ed93230a614 /gcc/flow.c | |
| parent | 979e20e973b8ca7ccc0e9065d1e99149af7efaae (diff) | |
| download | gcc-6186ed06d2f4294816b5514bb01383d7dc2b2045.zip gcc-6186ed06d2f4294816b5514bb01383d7dc2b2045.tar.gz gcc-6186ed06d2f4294816b5514bb01383d7dc2b2045.tar.bz2 | |
flow.c (find_auto_inc): Clear UNCHANGING bit of register that is changed.
* flow.c (find_auto_inc): Clear UNCHANGING bit of register that is
changed.
From-SVN: r20974
Diffstat (limited to 'gcc/flow.c')
| -rw-r--r-- | gcc/flow.c | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -2386,6 +2386,10 @@ find_auto_inc (needed, x, insn) Then fall into the usual case. */ rtx insns, temp; + /* Since q is now changed, clear its UNCHANGING bit. Otherwise, + we would confuse alias.c when this pseudo ends up in a stack + slot. */ + RTX_UNCHANGING_P (q) = 0; start_sequence (); emit_move_insn (q, addr); insns = get_insns (); |