diff options
Diffstat (limited to 'gcc/c/c-parser.c')
| -rw-r--r-- | gcc/c/c-parser.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/c/c-parser.c b/gcc/c/c-parser.c index d71fd0a..c491b12 100644 --- a/gcc/c/c-parser.c +++ b/gcc/c/c-parser.c @@ -10000,6 +10000,44 @@ c_parser_postfix_expression (c_parser *parser) set_c_expr_source_range (&expr, loc, close_paren_loc); break; } + case RID_BUILTIN_SHUFFLEVECTOR: + { + vec<c_expr_t, va_gc> *cexpr_list; + unsigned int i; + c_expr_t *p; + location_t close_paren_loc; + + c_parser_consume_token (parser); + if (!c_parser_get_builtin_args (parser, + "__builtin_shufflevector", + &cexpr_list, false, + &close_paren_loc)) + { + expr.set_error (); + break; + } + + FOR_EACH_VEC_SAFE_ELT (cexpr_list, i, p) + *p = convert_lvalue_to_rvalue (loc, *p, true, true); + + if (vec_safe_length (cexpr_list) < 3) + { + error_at (loc, "wrong number of arguments to " + "%<__builtin_shuffle%>"); + expr.set_error (); + } + else + { + auto_vec<tree, 16> mask; + for (i = 2; i < cexpr_list->length (); ++i) + mask.safe_push ((*cexpr_list)[i].value); + expr.value = c_build_shufflevector (loc, (*cexpr_list)[0].value, + (*cexpr_list)[1].value, + mask); + } + set_c_expr_source_range (&expr, loc, close_paren_loc); + break; + } case RID_BUILTIN_CONVERTVECTOR: { location_t start_loc = loc; |