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| author | Jakub Jelinek <jakub@redhat.com> | 2014-07-14 09:31:57 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2014-07-14 09:31:57 +0200 |
| commit | 03e0ad94a21d03ed7b434d3451a53b1d8be4a061 (patch) | |
| tree | acddbf9a8ad7a98911487e3f86b130f1b1bc58d0 | |
| parent | e89ff446df48a43c632c316e64a5fbb1b95d227e (diff) | |
| download | gcc-03e0ad94a21d03ed7b434d3451a53b1d8be4a061.zip gcc-03e0ad94a21d03ed7b434d3451a53b1d8be4a061.tar.gz gcc-03e0ad94a21d03ed7b434d3451a53b1d8be4a061.tar.bz2 | |
re PR target/61656 (Undefined behavior in classify_argument)
PR target/61656
* config/i386/i386.c (classify_argument): Don't merge classes above
number of words.
From-SVN: r212509
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 2 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6017987..673eadf 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-07-14 Jakub Jelinek <jakub@redhat.com> + + PR target/61656 + * config/i386/i386.c (classify_argument): Don't merge classes above + number of words. + 2014-07-13 Jan Hubicka <hubicka@ucw.cz> * cgraph.h (symtab_node): Add nonzero_address. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index e13f405..542945f 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -6581,7 +6581,7 @@ classify_argument (enum machine_mode mode, const_tree type, bit_offset); if (!num) return 0; - for (i = 0; i < num; i++) + for (i = 0; i < num && i < words; i++) classes[i] = merge_classes (subclasses[i], classes[i]); } } |