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| author | Robin Dapp <rdapp@linux.vnet.ibm.com> | 2017-05-30 10:53:25 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2017-05-30 10:53:25 +0000 |
| commit | 8d21ff9f66a20e551d52b0759c926660dccb49cd (patch) | |
| tree | 225f2197a7c58add5f9169f0d8be919797c48a9e /gcc/tree-vectorizer.h | |
| parent | b3125625df0b0895b0acbc2949d2a03dc4971145 (diff) | |
| download | gcc-8d21ff9f66a20e551d52b0759c926660dccb49cd.zip gcc-8d21ff9f66a20e551d52b0759c926660dccb49cd.tar.gz gcc-8d21ff9f66a20e551d52b0759c926660dccb49cd.tar.bz2 | |
Vector peeling cost model 1/6
gcc/ChangeLog:
2017-05-30 Robin Dapp <rdapp@linux.vnet.ibm.com>
* tree-vect-data-refs.c (vect_compute_data_ref_alignment): Create
DR_HAS_NEGATIVE_STEP.
(vect_update_misalignment_for_peel): Define DR_MISALIGNMENT.
(vect_enhance_data_refs_alignment): Use.
(vect_duplicate_ssa_name_ptr_info): Use.
* tree-vectorizer.h (dr_misalignment): Use.
(known_alignment_for_access_p): Use.
From-SVN: r248675
Diffstat (limited to 'gcc/tree-vectorizer.h')
| -rw-r--r-- | gcc/tree-vectorizer.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h index eb47bd4..dfbe59e 100644 --- a/gcc/tree-vectorizer.h +++ b/gcc/tree-vectorizer.h @@ -984,6 +984,7 @@ dr_misalignment (struct data_reference *dr) taking into account peeling/versioning if applied. */ #define DR_MISALIGNMENT(DR) dr_misalignment (DR) #define SET_DR_MISALIGNMENT(DR, VAL) set_dr_misalignment (DR, VAL) +#define DR_MISALIGNMENT_UNKNOWN (-1) /* Return TRUE if the data access is aligned, and FALSE otherwise. */ @@ -999,7 +1000,7 @@ aligned_access_p (struct data_reference *data_ref_info) static inline bool known_alignment_for_access_p (struct data_reference *data_ref_info) { - return (DR_MISALIGNMENT (data_ref_info) != -1); + return (DR_MISALIGNMENT (data_ref_info) != DR_MISALIGNMENT_UNKNOWN); } |