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| author | Christian Bruel <christian.bruel@st.com> | 1999-01-17 20:01:26 -0700 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-01-17 20:01:26 -0700 |
| commit | db3a887b316ff69a56a3d556eb893de68a45ef6a (patch) | |
| tree | 5b167ce3ab89fb45fd43e6c17c1691a58121fda4 /gcc/recog.c | |
| parent | 586fd9391263c7f7e7cc60c9c0e14954c2917384 (diff) | |
| download | gcc-db3a887b316ff69a56a3d556eb893de68a45ef6a.zip gcc-db3a887b316ff69a56a3d556eb893de68a45ef6a.tar.gz gcc-db3a887b316ff69a56a3d556eb893de68a45ef6a.tar.bz2 | |
flow.c (last_mem_set): Delete variable.
* flow.c (last_mem_set): Delete variable. References removed.
(mem_set_list): New variable.
(life_analysis): Initialize and finalize alias analysis.
(propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
(insn_dead_p): For a store to memory, search the entire mem_set_list
for a match.
(mark_set_1): Kill entries on the mem_set_list for aliased writes or
changes to their addresses. Add new entries to the mem_set_list for
memory writes writes.
(mark_used_regs): Kill entries on the mem_set_list which may be
referenced by a load operation.
Co-Authored-By: Jeffrey A Law <law@cygnus.com>
From-SVN: r24734
Diffstat (limited to 'gcc/recog.c')
0 files changed, 0 insertions, 0 deletions