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| -rw-r--r-- | gcc/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/real.h | 5 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b95a707..21bc263 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,7 @@ 2002-03-23 Alan Modra <amodra@bigpond.net.au> + * real.h (N): Special case 128 bit doubles. + * combine.c (simplify_comparison): When widening modes, ignore sign extension on CONST_INTs. @@ -77,7 +77,12 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA /* REAL_VALUE_TYPE is an array of the minimum number of HOST_WIDE_INTs required to hold MAX_LONG_DOUBLE_TYPE_SIZE bits. */ +#if MAX_LONG_DOUBLE_TYPE_SIZE == 128 +/* For 128 bit reals, we calculate internally with extra precision. */ +#define N (160 / BITS_PER_UNIT) +#else #define N (MAX_LONG_DOUBLE_TYPE_SIZE / BITS_PER_UNIT) +#endif #define S sizeof (HOST_WIDE_INT) typedef struct { HOST_WIDE_INT r[N/S + (N%S ? 1 : 0)]; /* round up */ |