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Diffstat (limited to 'gcc/tree-vect-patterns.c')
| -rw-r--r-- | gcc/tree-vect-patterns.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/tree-vect-patterns.c b/gcc/tree-vect-patterns.c index eb0e296..d41c61a 100644 --- a/gcc/tree-vect-patterns.c +++ b/gcc/tree-vect-patterns.c @@ -4399,6 +4399,14 @@ vect_determine_min_output_precision_1 (stmt_vec_info stmt_info, tree lhs) stmt_vec_info use_stmt_info = vinfo->lookup_stmt (use_stmt); if (!use_stmt_info || !use_stmt_info->min_input_precision) return false; + /* The input precision recorded for COND_EXPRs applies only to the + "then" and "else" values. */ + gassign *assign = dyn_cast <gassign *> (stmt_info->stmt); + if (assign + && gimple_assign_rhs_code (assign) == COND_EXPR + && use->use != gimple_assign_rhs2_ptr (assign) + && use->use != gimple_assign_rhs3_ptr (assign)) + return false; precision = MAX (precision, use_stmt_info->min_input_precision); } |