Switch to gdtoa.
This gives us a real strtold for LP64 and fixes various LP64
bugs.
Bug: 13563801
Change-Id: I277858d718ee746e136b6b6308a495ba50dfa488
diff --git a/libc/arch-arm64/include/machine/ieee.h b/libc/arch-arm64/include/machine/ieee.h
index a6c024e..3416b7d 100644
--- a/libc/arch-arm64/include/machine/ieee.h
+++ b/libc/arch-arm64/include/machine/ieee.h
@@ -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 @@
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