From: Martin Sebor <msebor@redhat.com>
Date: Tue, 18 Aug 2020 15:49:01 +0000 (-0600)
Subject: Update native_encode_expr description.
X-Git-Tag: upstream/12.2.0~14214
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b1f58acd3a68801106d76abd9c5fff7c34401b6d;p=platform%2Fupstream%2Fgcc.git

Update native_encode_expr description.

gcc/ChangeLog:
	* fold-const.c (native_encode_expr): Update comment.
---

diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index 9fc4c2a..7c4d1ef 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -7875,11 +7875,12 @@ native_encode_string (const_tree expr, unsigned char *ptr, int len, int off)
 }
 
 
-/* Subroutine of fold_view_convert_expr.  Encode the INTEGER_CST,
-   REAL_CST, COMPLEX_CST or VECTOR_CST specified by EXPR into the
-   buffer PTR of length LEN bytes.  If PTR is NULL, don't actually store
-   anything, just do a dry run.  If OFF is not -1 then start
-   the encoding at byte offset OFF and encode at most LEN bytes.
+/* Subroutine of fold_view_convert_expr.  Encode the INTEGER_CST, REAL_CST,
+   FIXED_CST, COMPLEX_CST, STRING_CST, or VECTOR_CST specified by EXPR into
+   the buffer PTR of size LEN bytes.  If PTR is NULL, don't actually store
+   anything, just do a dry run.  Fail either if OFF is -1 and LEN isn't
+   sufficient to encode the entire EXPR, or if OFF is out of bounds.
+   Otherwise, start at byte offset OFF and encode at most LEN bytes.
    Return the number of bytes placed in the buffer, or zero upon failure.  */
 
 int