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| author | Jeff Johnston <jjohnstn@redhat.com> | 2006-07-05 16:18:30 +0000 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2006-07-05 16:18:30 +0000 |
| commit | b0b9243869b0db21dec9ad143718e4fb5cc61dc7 (patch) | |
| tree | 2370c9cf4abc1de34d42fbbf5a16e66d05847bf2 /newlib/libc/stdlib/mprec.h | |
| parent | 8307a41117b7df653c63df8620d0331e857a4064 (diff) | |
| download | cygnal-b0b9243869b0db21dec9ad143718e4fb5cc61dc7.tar.gz cygnal-b0b9243869b0db21dec9ad143718e4fb5cc61dc7.tar.bz2 cygnal-b0b9243869b0db21dec9ad143718e4fb5cc61dc7.zip | |
2006-07-05 Jeff Johnston <jjohnstn@redhat.com>
* libc/stdlib/mprec.h [_DOUBLE_IS_32BITS]: Turn off C99 hex
floating-point format support. Also redefine
dword0 and dword1 macros.
* libc/stdlib/strtod.c: Add checks for _DOUBLE_IS_32BITS
to prevent setting dword1 which is an rvalue only.
Diffstat (limited to 'newlib/libc/stdlib/mprec.h')
| -rw-r--r-- | newlib/libc/stdlib/mprec.h | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/newlib/libc/stdlib/mprec.h b/newlib/libc/stdlib/mprec.h index 4fd496831..ba4d2b81b 100644 --- a/newlib/libc/stdlib/mprec.h +++ b/newlib/libc/stdlib/mprec.h @@ -138,9 +138,16 @@ typedef union { double d; __ULong L[2]; } U; #define Exp_mask ((__uint32_t)0x7f800000L) #define P 24 #define Bias 127 +#define NO_HEX_FP /* not supported in this case */ #if 0 #define IEEE_Arith /* it is, but the code doesn't handle IEEE singles yet */ #endif +/* Following is needed due to IEEE_Arith not being set on above. */ +#if defined(__v800) +#define n_bigtens 2 +#else +#define n_bigtens 5 +#endif #define Emin (-126) #define Exp_1 ((__uint32_t)0x3f800000L) #define Exp_11 ((__uint32_t)0x3f800000L) @@ -163,9 +170,13 @@ typedef union { double d; __ULong L[2]; } U; #define Infinite(x) (word0(x) == ((__uint32_t)0x7f800000L)) #undef word0 #undef word1 +#undef dword0 +#undef dword1 #define word0(x) (x.i[0]) #define word1(x) 0 +#define dword0(x) ((__ULong *)&x)[0] +#define dword1(x) 0 #else #define Exp_shift 20 @@ -195,6 +206,8 @@ typedef union { double d; __ULong L[2]; } U; #define Int_max 14 #define Infinite(x) (word0(x) == ((__uint32_t)0x7ff00000L)) /* sufficient test for here */ +#endif /* !_DOUBLE_IS_32BITS */ + #ifndef Flt_Rounds #ifdef FLT_ROUNDS #define Flt_Rounds FLT_ROUNDS @@ -203,9 +216,7 @@ typedef union { double d; __ULong L[2]; } U; #endif #endif /*Flt_Rounds*/ -#endif - -#else +#else /* !IEEE_8087 && !IEEE_MC68k */ #undef Sudden_Underflow #define Sudden_Underflow #ifdef IBM |