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| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/rtlanal.c | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 47d6a63..06995dd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-01-17 Mark Dettinger <dettinge@de.ibm.com> + + * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG + when modes are tieable. + 2005-01-17 Ranjit Mathew <rmathew@hotmail.com> * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index abfa7b2..2cae7ed 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -3270,6 +3270,7 @@ rtx_cost (rtx x, enum rtx_code outer_code ATTRIBUTE_UNUSED) return 0; case SUBREG: + total = 0; /* If we can't tie these modes, make this expensive. The larger the mode, the more expensive it is. */ if (! MODES_TIEABLE_P (GET_MODE (x), GET_MODE (SUBREG_REG (x)))) |