diff options
Diffstat (limited to 'gcc/config/pdp11/pdp11.h')
| -rw-r--r-- | gcc/config/pdp11/pdp11.h | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/gcc/config/pdp11/pdp11.h b/gcc/config/pdp11/pdp11.h index 474b3ef..6314702 100644 --- a/gcc/config/pdp11/pdp11.h +++ b/gcc/config/pdp11/pdp11.h @@ -176,26 +176,10 @@ extern const struct real_format pdp11_d_format; :1) -/* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. - On the pdp, the cpu registers can hold any mode other than float - (because otherwise we may end up being asked to move from CPU to FPU - register, which isn't a valid operation on the PDP11). - For CPU registers, check alignment. - - FPU accepts SF and DF but actually holds a DF - simplifies life! -*/ -#define HARD_REGNO_MODE_OK(REGNO, MODE) \ -(((REGNO) <= PC_REGNUM)? \ - ((GET_MODE_BITSIZE(MODE) <= 16) \ - || (GET_MODE_BITSIZE(MODE) >= 32 && \ - !((REGNO) & 1) && !FLOAT_MODE_P (MODE))) \ - :FLOAT_MODE_P (MODE)) - - /* Value is 1 if it is a good idea to tie two pseudo registers when one has mode MODE1 and one has mode MODE2. - If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2, - for any hard reg, then this must be 0 for correct output. */ + If TARGET_HARD_REGNO_MODE_OK could produce different values for MODE1 + and MODE2, for any hard reg, then this must be 0 for correct output. */ #define MODES_TIEABLE_P(MODE1, MODE2) 0 /* Specify the registers used for certain standard purposes. |