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| author | Richard Biener <rguenther@suse.de> | 2018-07-18 12:57:15 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2018-07-18 12:57:15 +0000 |
| commit | eb5926451a7873a62de7ef02cba9f671bad14b88 (patch) | |
| tree | a6dc2226580746de440913c3f8896387af5e1415 | |
| parent | 0292076596cd66639dddd337b55ff2e441e28563 (diff) | |
| download | gcc-eb5926451a7873a62de7ef02cba9f671bad14b88.zip gcc-eb5926451a7873a62de7ef02cba9f671bad14b88.tar.gz gcc-eb5926451a7873a62de7ef02cba9f671bad14b88.tar.bz2 | |
re PR target/86557 (missed vectorization with std::vector compared to icc 18)
2018-07-18 Richard Biener <rguenther@suse.de>
PR tree-optimization/86557
* tree-vect-patterns.c (vect_recog_divmod_pattern): Also handle
EXACT_DIV_EXPR.
From-SVN: r262854
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-vect-patterns.c | 4 |
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9ed75cd..bf1942c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-07-18 Richard Biener <rguenther@suse.de> + + PR tree-optimization/86557 + * tree-vect-patterns.c (vect_recog_divmod_pattern): Also handle + EXACT_DIV_EXPR. + 2018-07-18 Ilya Leoshkevich <iii@linux.ibm.com> * config/s390/s390.c (s390_function_profiler): Generate CFI. diff --git a/gcc/tree-vect-patterns.c b/gcc/tree-vect-patterns.c index 4c22afd..0f63ccf 100644 --- a/gcc/tree-vect-patterns.c +++ b/gcc/tree-vect-patterns.c @@ -2684,6 +2684,7 @@ vect_recog_divmod_pattern (stmt_vec_info stmt_vinfo, tree *type_out) switch (rhs_code) { case TRUNC_DIV_EXPR: + case EXACT_DIV_EXPR: case TRUNC_MOD_EXPR: break; default: @@ -2730,7 +2731,8 @@ vect_recog_divmod_pattern (stmt_vec_info stmt_vinfo, tree *type_out) cond = build2 (LT_EXPR, boolean_type_node, oprnd0, build_int_cst (itype, 0)); - if (rhs_code == TRUNC_DIV_EXPR) + if (rhs_code == TRUNC_DIV_EXPR + || rhs_code == EXACT_DIV_EXPR) { tree var = vect_recog_temp_ssa_var (itype, NULL); tree shift; |