diff options
| author | Shiva Chen <shiva0217@gmail.com> | 2018-04-22 09:05:10 +0000 |
|---|---|---|
| committer | Chung-Ju Wu <jasonwucj@gcc.gnu.org> | 2018-04-22 09:05:10 +0000 |
| commit | c411e9aa4fd63e03a8e4594776ceb22ff3966dbc (patch) | |
| tree | 18c910d33e9b81820e865510cc9a238f2e9d8e0a /gcc/config/nds32/nds32.c | |
| parent | 029db20edd88bf6aa038cc949f70ba5c3890a5fc (diff) | |
| download | gcc-c411e9aa4fd63e03a8e4594776ceb22ff3966dbc.zip gcc-c411e9aa4fd63e03a8e4594776ceb22ff3966dbc.tar.gz gcc-c411e9aa4fd63e03a8e4594776ceb22ff3966dbc.tar.bz2 | |
[NDS32] Implment USE_LOAD_POST_INCREMENT, USE_LOAD_POST_DECREMENT, USE_STORE_POST_DECREMENT and USE_STORE_POST_INCREMENT.
gcc/
* config/nds32/nds32-protos.h (nds32_use_load_post_increment): Declare.
* config/nds32/nds32.c (nds32_use_load_post_increment): New.
* config/nds32/nds32.h
(USE_LOAD_POST_INCREMENT, USE_LOAD_POST_DECREMENT): Define.
(USE_STORE_POST_INCREMENT, USE_STORE_POST_DECREMENT): Define.
From-SVN: r259552
Diffstat (limited to 'gcc/config/nds32/nds32.c')
| -rw-r--r-- | gcc/config/nds32/nds32.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/config/nds32/nds32.c b/gcc/config/nds32/nds32.c index 997cc76..9a8c712 100644 --- a/gcc/config/nds32/nds32.c +++ b/gcc/config/nds32/nds32.c @@ -1354,6 +1354,14 @@ nds32_naked_function_p (tree func) return (t != NULL_TREE); } +/* Function that determine whether a load postincrement is a good thing to use + for a given mode. */ +bool +nds32_use_load_post_increment (machine_mode mode) +{ + return (GET_MODE_SIZE (mode) <= GET_MODE_SIZE(E_DImode)); +} + /* Function that check if 'X' is a valid address register. The variable 'STRICT' is very important to make decision for register number. |