diff options
Diffstat (limited to 'gcc/rtl.c')
| -rw-r--r-- | gcc/rtl.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/gcc/rtl.c b/gcc/rtl.c index 6077232d0e7..50058ee38fc 100644 --- a/gcc/rtl.c +++ b/gcc/rtl.c @@ -30,30 +30,28 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA /* Calculate the format for CONST_DOUBLE. This depends on the relative widths of HOST_WIDE_INT and REAL_VALUE_TYPE. - We need to go out to 0wwwww, since REAL_ARITHMETIC assumes 16-bits - per element in REAL_VALUE_TYPE. + We need to go out to 0wwwww, since real.c assumes 16 bits per element + in REAL_VALUE_TYPE. This is duplicated in gengenrtl.c. A number of places assume that there are always at least two 'w' slots in a CONST_DOUBLE, so we provide them even if one would suffice. */ -#ifdef REAL_ARITHMETIC -# if MAX_LONG_DOUBLE_TYPE_SIZE == 96 -# define REAL_WIDTH \ +#if MAX_LONG_DOUBLE_TYPE_SIZE == 96 +# define REAL_WIDTH \ (11*8 + HOST_BITS_PER_WIDE_INT)/HOST_BITS_PER_WIDE_INT +#else +# if MAX_LONG_DOUBLE_TYPE_SIZE == 128 +# define REAL_WIDTH \ + (19*8 + HOST_BITS_PER_WIDE_INT)/HOST_BITS_PER_WIDE_INT # else -# if MAX_LONG_DOUBLE_TYPE_SIZE == 128 +# if HOST_FLOAT_FORMAT != TARGET_FLOAT_FORMAT # define REAL_WIDTH \ - (19*8 + HOST_BITS_PER_WIDE_INT)/HOST_BITS_PER_WIDE_INT -# else -# if HOST_FLOAT_FORMAT != TARGET_FLOAT_FORMAT -# define REAL_WIDTH \ (7*8 + HOST_BITS_PER_WIDE_INT)/HOST_BITS_PER_WIDE_INT -# endif # endif # endif -#endif /* REAL_ARITHMETIC */ +#endif #ifndef REAL_WIDTH # if HOST_BITS_PER_WIDE_INT*2 >= MAX_LONG_DOUBLE_TYPE_SIZE |