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This gives us a real strtold for LP64 and fixes various LP64
bugs.

Bug: 13563801
Change-Id: I277858d718ee746e136b6b6308a495ba50dfa488
This commit is contained in:
Elliott Hughes
2014-04-10 17:48:14 -07:00
parent 26c2bb84dd
commit 4bd97cee28
33 changed files with 7907 additions and 2855 deletions
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33
libc/arch-arm64/include/machine/ieee.h
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@@ -45,11 +45,6 @@
* @(#)ieee.h 8.1 (Berkeley) 6/11/93
*/
/*
* ieee.h defines the machine-dependent layout of the machine's IEEE
* floating point.
*/
#define SNG_EXPBITS 8
#define SNG_FRACBITS 23
@@ -58,6 +53,22 @@
#define DBL_FRACLBITS 32
#define DBL_FRACBITS 52
#define EXT_EXPBITS 15
#define EXT_FRACHBITS 16
#define EXT_FRACHMBITS 32
#define EXT_FRACLMBITS 32
#define EXT_FRACLBITS 32
#define EXT_FRACBITS 112
#define EXT_IMPLICIT_NBIT
#define EXT_TO_ARRAY32(p, a) do { \
(a)[0] = (uint32_t)(p)->ext_fracl; \
(a)[1] = (uint32_t)(p)->ext_fraclm; \
(a)[2] = (uint32_t)(p)->ext_frachm; \
(a)[3] = (uint32_t)(p)->ext_frach; \
} while(0)
struct ieee_single {
u_int sng_frac:23;
u_int sng_exp:8;
@@ -71,14 +82,20 @@ struct ieee_double {
u_int dbl_sign:1;
};
struct ieee_ext {
u_int ext_fracl;
u_int ext_fraclm;
u_int ext_frachm;
u_int ext_frach:16;
u_int ext_exp:15;
u_int ext_sign:1;
};
/*
* Floats whose exponent is in [1..INFNAN) (of whatever type) are
* `normal'. Floats whose exponent is INFNAN are either Inf or NaN.
* Floats whose exponent is zero are either zero (iff all fraction
* bits are zero) or subnormal values.
*
* A NaN is a `signalling NaN' if its QUIETNAN bit is clear in its
* high fraction; if the bit is set, it is a `quiet NaN'.
*/
#define SNG_EXP_INFNAN 255
#define DBL_EXP_INFNAN 2047