diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/lower-subreg.c | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index da613e7..34abb3b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2007-02-07 Ian Lance Taylor <iant@google.com> + + * lower-subreg.c (simple_move): Reject PARTIAL_INT modes. + 2007-02-07 Roger Sayle <roger@eyesopen.com> * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2, diff --git a/gcc/lower-subreg.c b/gcc/lower-subreg.c index 8d04390..fbb506c5 100644 --- a/gcc/lower-subreg.c +++ b/gcc/lower-subreg.c @@ -136,6 +136,11 @@ simple_move (rtx insn) == BLKmode)) return NULL_RTX; + /* Reject PARTIAL_INT modes. They are used for processor specific + purposes and it's probably best not to tamper with them. */ + if (GET_MODE_CLASS (mode) == MODE_PARTIAL_INT) + return NULL_RTX; + return set; } |