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authorRichard Biener <rguenther@suse.de>2017-01-13 08:16:59 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2017-01-13 08:16:59 +0000
commit2532991330bb47ab45c099ad54681e3e1a0981a3 (patch)
treeff747237c5c0afc4668ec0dcff4a7b37a6310112 /gcc/c
parent10b70b8e5eb8d4b5ab175785366cfc6cbe837390 (diff)
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gimple-parser.c (c_parser_gimple_postfix_expression): Parse _Literal ( type-name ) number.
2017-01-13 Richard Biener <rguenther@suse.de> c/ * gimple-parser.c (c_parser_gimple_postfix_expression): Parse _Literal ( type-name ) number. * tree-pretty-print.c (dump_generic_node): Dump INTEGER_CSTs as _Literal ( type ) number in case usual suffixes do not preserve all information. * gcc.dg/gimplefe-22.c: New testcase. From-SVN: r244393
Diffstat (limited to 'gcc/c')
-rw-r--r--gcc/c/ChangeLog5
-rw-r--r--gcc/c/gimple-parser.c26
2 files changed, 31 insertions, 0 deletions
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 65531aa..fd6f74b 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,8 @@
+2017-01-13 Richard Biener <rguenther@suse.de>
+
+ * gimple-parser.c (c_parser_gimple_postfix_expression): Parse
+ _Literal ( type-name ) number.
+
2017-01-12 Richard Biener <rguenther@suse.de>
* gimple-parser.c (c_parser_gimple_postfix_expression): Parse
diff --git a/gcc/c/gimple-parser.c b/gcc/c/gimple-parser.c
index ee8a01a..927c685 100644
--- a/gcc/c/gimple-parser.c
+++ b/gcc/c/gimple-parser.c
@@ -799,6 +799,32 @@ c_parser_gimple_postfix_expression (c_parser *parser)
type, ptr.value, alias_off);
break;
}
+ else if (strcmp (IDENTIFIER_POINTER (id), "_Literal") == 0)
+ {
+ /* _Literal '(' type-name ')' number */
+ c_parser_consume_token (parser);
+ tree type = NULL_TREE;
+ if (c_parser_require (parser, CPP_OPEN_PAREN, "expected %<(%>"))
+ {
+ struct c_type_name *type_name = c_parser_type_name (parser);
+ tree tem;
+ if (type_name)
+ type = groktypename (type_name, &tem, NULL);
+ c_parser_skip_until_found (parser, CPP_CLOSE_PAREN,
+ "expected %<)%>");
+ }
+ tree val = c_parser_gimple_postfix_expression (parser).value;
+ if (! type
+ || ! val
+ || val == error_mark_node
+ || TREE_CODE (val) != INTEGER_CST)
+ {
+ c_parser_error (parser, "invalid _Literal");
+ return expr;
+ }
+ expr.value = fold_convert (type, val);
+ return expr;
+ }
/* SSA name. */
unsigned version, ver_offset;
if (! lookup_name (id)