diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/mn10300/mn10300.h | 10 |
2 files changed, 14 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d0bac16..140d2a6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com> + + * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more + accurate data about SP moves. + Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com> * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added diff --git a/gcc/config/mn10300/mn10300.h b/gcc/config/mn10300/mn10300.h index 412aad7..9369e7c 100644 --- a/gcc/config/mn10300/mn10300.h +++ b/gcc/config/mn10300/mn10300.h @@ -816,7 +816,15 @@ struct cum_arg {int nbytes; }; #define REGISTER_MOVE_COST(CLASS1, CLASS2) \ ((CLASS1 == CLASS2 && (CLASS1 == ADDRESS_REGS || CLASS1 == DATA_REGS)) ? 2 :\ - CLASS1 == CLASS2 && CLASS1 == EXTENDED_REGS ? 6 : 4) + ((CLASS1 == ADDRESS_REGS || CLASS1 == DATA_REGS) && \ + (CLASS2 == ADDRESS_REGS || CLASS2 == DATA_REGS)) ? 4 : \ + (CLASS1 == SP_REGS && CLASS2 == ADDRESS_REGS) ? 2 : \ + (CLASS1 == ADDRESS_REGS && CLASS2 == SP_REGS) ? 4 : \ + ! TARGET_AM33 ? 6 : \ + (CLASS1 == SP_REGS || CLASS2 == SP_REGS) ? 6 : \ + (CLASS1 == CLASS2 && CLASS1 == EXTENDED_REGS) ? 6 : \ + (CLASS1 == EXTENDED_REGS || CLASS2 == EXTENDED_REGS) ? 4 : \ + 4) #define ADDRESS_COST(X) mn10300_address_cost((X), 0) |