diff options
Diffstat (limited to 'gcc/cp/constexpr.c')
| -rw-r--r-- | gcc/cp/constexpr.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/cp/constexpr.c b/gcc/cp/constexpr.c index 148150b..ed4bbee 100644 --- a/gcc/cp/constexpr.c +++ b/gcc/cp/constexpr.c @@ -33,6 +33,7 @@ along with GCC; see the file COPYING3. If not see #include "ubsan.h" #include "gimple-fold.h" #include "timevar.h" +#include "fold-const-call.h" static bool verify_constant (tree, bool, bool *, bool *); #define VERIFY_CONSTANT(X) \ @@ -1449,6 +1450,20 @@ cxx_eval_internal_function (const constexpr_ctx *ctx, tree t, return cxx_eval_constant_expression (ctx, CALL_EXPR_ARG (t, 0), false, non_constant_p, overflow_p); + case IFN_VEC_CONVERT: + { + tree arg = cxx_eval_constant_expression (ctx, CALL_EXPR_ARG (t, 0), + false, non_constant_p, + overflow_p); + if (TREE_CODE (arg) == VECTOR_CST) + return fold_const_call (CFN_VEC_CONVERT, TREE_TYPE (t), arg); + else + { + *non_constant_p = true; + return t; + } + } + default: if (!ctx->quiet) error_at (cp_expr_loc_or_loc (t, input_location), @@ -5623,7 +5638,9 @@ potential_constant_expression_1 (tree t, bool want_rval, bool strict, bool now, case IFN_SUB_OVERFLOW: case IFN_MUL_OVERFLOW: case IFN_LAUNDER: + case IFN_VEC_CONVERT: bail = false; + break; default: break; |