diff options
Diffstat (limited to 'gcc/config/alpha/alpha.h')
| -rw-r--r-- | gcc/config/alpha/alpha.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/config/alpha/alpha.h b/gcc/config/alpha/alpha.h index 9e39a40395b..b933ea31625 100644 --- a/gcc/config/alpha/alpha.h +++ b/gcc/config/alpha/alpha.h @@ -859,8 +859,9 @@ enum reg_class { /* Return the class of registers that cannot change mode from FROM to TO. */ -#define CANNOT_CHANGE_MODE_CLASS(FROM, TO) \ - (GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) ? FLOAT_REGS : NO_REGS) +#define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \ + (GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) \ + ? reg_classes_intersect_p (FLOAT_REGS, CLASS) : 0) /* Define the cost of moving between registers of various classes. Moving between FLOAT_REGS and anything else except float regs is expensive. |