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| author | Richard Biener <rguenther@suse.de> | 2019-03-18 09:17:43 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-03-18 09:17:43 +0000 |
| commit | 7d7d1ce83889ee17fbf7fb8aadf23e1f5179b9ce (patch) | |
| tree | 94e539164a29456dd3c6d75999868cc152654dc2 /gcc | |
| parent | 0538ed1d3602ec756085c09f3213b0fe7e8428ec (diff) | |
| download | gcc-7d7d1ce83889ee17fbf7fb8aadf23e1f5179b9ce.zip gcc-7d7d1ce83889ee17fbf7fb8aadf23e1f5179b9ce.tar.gz gcc-7d7d1ce83889ee17fbf7fb8aadf23e1f5179b9ce.tar.bz2 | |
re PR target/87561 (416.gamess is slower by ~10% starting from r264866 with -Ofast)
2019-03-18 Richard Biener <rguenther@suse.de>
PR target/87561
* config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided
loads and stores a bit more.
From-SVN: r269754
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a67a0bf..1da0fe3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,6 +1,12 @@ 2019-03-18 Richard Biener <rguenther@suse.de> PR target/87561 + * config/i386/i386.c (ix86_add_stmt_cost): Pessimize strided + loads and stores a bit more. + +2019-03-18 Richard Biener <rguenther@suse.de> + + PR target/87561 * config/i386/i386.c (ix86_add_stmt_cost): Apply strided load pessimization to stores as well. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 67af137..560170f 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -50572,7 +50572,7 @@ ix86_add_stmt_cost (void *data, int count, enum vect_cost_for_stmt kind, && TREE_CODE (DR_STEP (STMT_VINFO_DATA_REF (stmt_info))) != INTEGER_CST) { stmt_cost = ix86_builtin_vectorization_cost (kind, vectype, misalign); - stmt_cost *= TYPE_VECTOR_SUBPARTS (vectype); + stmt_cost *= (TYPE_VECTOR_SUBPARTS (vectype) + 1); } if (stmt_cost == -1) stmt_cost = ix86_builtin_vectorization_cost (kind, vectype, misalign); |