Hi, This patch covers one more case when boolean operands get different vectypes and we don't detect it.
Bootstrapped and regtested on x86_64-pc-linux-gnu. OK for trunk? Thanks, Ilya -- gcc/ 2016-01-25 Ilya Enkovich <enkovich....@gmail.com> PR target/69421 * tree-vect-stmts.c (vectorizable_condition): Check vectype of operands is compatible with a statement vectype. gcc/testsuite/ 2016-01-25 Ilya Enkovich <enkovich....@gmail.com> PR target/69421 * gcc.dg/pr69421.c: New test. diff --git a/gcc/testsuite/gcc.dg/pr69421.c b/gcc/testsuite/gcc.dg/pr69421.c new file mode 100644 index 0000000..252e22c --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr69421.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-O3" } */ + +struct A { double a; }; +double a; + +void +foo (_Bool *x) +{ + long i; + for (i = 0; i < 64; i++) + { + struct A c; + x[i] = c.a || a; + } +} diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c index 1d2246d..ed2ce07 100644 --- a/gcc/tree-vect-stmts.c +++ b/gcc/tree-vect-stmts.c @@ -7528,6 +7528,7 @@ vectorizable_condition (gimple *stmt, gimple_stmt_iterator *gsi, tree vectype = STMT_VINFO_VECTYPE (stmt_info); int nunits = TYPE_VECTOR_SUBPARTS (vectype); + tree vectype1 = NULL_TREE, vectype2 = NULL_TREE; if (slp_node || PURE_SLP_STMT (stmt_info)) ncopies = 1; @@ -7547,9 +7548,17 @@ vectorizable_condition (gimple *stmt, gimple_stmt_iterator *gsi, return false; gimple *def_stmt; - if (!vect_is_simple_use (then_clause, stmt_info->vinfo, &def_stmt, &dt)) + if (!vect_is_simple_use (then_clause, stmt_info->vinfo, &def_stmt, &dt, + &vectype1)) + return false; + if (!vect_is_simple_use (else_clause, stmt_info->vinfo, &def_stmt, &dt, + &vectype2)) return false; - if (!vect_is_simple_use (else_clause, stmt_info->vinfo, &def_stmt, &dt)) + + if (vectype1 && !useless_type_conversion_p (vectype, vectype1)) + return false; + + if (vectype2 && !useless_type_conversion_p (vectype, vectype2)) return false; masked = !COMPARISON_CLASS_P (cond_expr);