diff options
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/mode-switching.c | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cbe3d08abee..ee77d386d48 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org> + + * mode-switching.c (create_pre_exit): Skip blockage insn. + 2007-03-09 Diego Novillo <dnovillo@redhat.com> * tree-pass.h (TODO_update_smt_usage): Remove. diff --git a/gcc/mode-switching.c b/gcc/mode-switching.c index 407ae76a8c6..8e9bde302a3 100644 --- a/gcc/mode-switching.c +++ b/gcc/mode-switching.c @@ -259,6 +259,12 @@ create_pre_exit (int n_entities, int *entity_map, const int *num_modes) last_insn = return_copy; continue; } + if (GET_CODE (PATTERN (return_copy)) == ASM_INPUT + && strcmp (XSTR (PATTERN (return_copy), 0), "") == 0) + { + last_insn = return_copy; + continue; + } /* If the return register is not (in its entirety) likely spilled, the return copy might be partially or completely optimized away. */ |