diff options
| author | Ju-Zhe Zhong <juzhe.zhong@rivai.ai> | 2023-06-26 15:43:42 +0800 |
|---|---|---|
| committer | Pan Li <pan2.li@intel.com> | 2023-06-26 22:07:22 +0800 |
| commit | 38ead98b2fe49b1fef4ae7c9771af48be7adaa10 (patch) | |
| tree | a3b0a30c7301157427993906f5efe3018667b96e /libjava/testsuite/libjava.lang | |
| parent | f0deeefebb661a1e6560e10bdb19c142792ef9c1 (diff) | |
| download | gcc-38ead98b2fe49b1fef4ae7c9771af48be7adaa10.zip gcc-38ead98b2fe49b1fef4ae7c9771af48be7adaa10.tar.gz gcc-38ead98b2fe49b1fef4ae7c9771af48be7adaa10.tar.bz2 | |
DSE: Add LEN_MASK_STORE analysis into DSE and fix LEN_STORE
Hi, Richi.
This patch is adding LEN_MASK_STORE into DSE.
My understanding is LEN_MASK_STORE is predicated by mask and len.
No matter len is constant or not, the ao_ref should be the same as MASK_STORE.
Wheras for LEN_STORE, when len is constant, we use (len - bias), otherwise, it's
the same as MASK_STORE/LEN_MASK_STORE.
Not sure whether I am on the same page with you, feel free to correct me.
Thanks.
gcc/ChangeLog:
* tree-ssa-dse.cc (initialize_ao_ref_for_dse): Add LEN_MASK_STORE and
fix LEN_STORE.
(dse_optimize_stmt): Add LEN_MASK_STORE.
Diffstat (limited to 'libjava/testsuite/libjava.lang')
0 files changed, 0 insertions, 0 deletions