Bruce Evans 69c0326e8c Change float_t and double_t to long double on i386. All floating point ... expressions on i386 are evaluated in the range of the long double type, so this is wrong in a different but hopefully less worse way than before. Since expressions are evaluated in long double registers, there is no runtime cost to using long double instead of double to declare intermediate values (except in cases where this avoids compiler bugs), and by careful use of float_t or double_t it is possible to avoid some of the compiler bugs in this area, provided these types are declared as long double. I was going to change float.h to be less broken and more usable in combination with the change here (in particular, it is more necessary to know the effective number of bits in a double_t when double_t != double, since DBL_MANT_DIG no longer logically gives this, and LDBL_MANT_DIG doesn't give it either with FreeBSD-i386's default rounding precision. However, this was too hard for now. In particular, LDBL_MANT_DIG is used a lot in libm, so it cannot be changed. One thing that is completely broken now is LDBL_MAX. This may have sort of worked when it was changed from DBL_MAX in 2002 (adding 0 to it at runtime gave +Inf, but you could at least compare with it), but starting with gcc-3.3.1 in 2003, it is always +Inf due to evaluating it at compile time in the default rounding precision.		2008-03-05 11:11:53 +00:00
..
acpica	For no good reason I had assumed that ACPI table headers would be page	2008-01-31 16:51:43 +00:00
bios	Hold Giant over the entire execution of the suspend path instead of	2007-12-06 01:39:23 +00:00
compile
conf	Remove the rr232x driver. It has been superceded by the hptrr driver.	2008-02-03 07:07:30 +00:00
cpufreq	In est_acpi_info(), initialize count before passing its pointer to	2008-03-01 21:58:34 +00:00
i386	- Remove the old smp cpu topology specification with a new, more flexible	2008-03-02 07:58:42 +00:00
ibcs2	VOP_LOCK1() (and so VOP_LOCK()) and VOP_UNLOCK() are only used in	2008-01-13 14:44:15 +00:00
include	Change float_t and double_t to long double on i386. All floating point	2008-03-05 11:11:53 +00:00
isa	Use cpu_spinwait() (i.e., "pause") when spinning on rdtsc during DELAY().	2008-01-17 18:59:38 +00:00
linux	Fix Linux mmap with MAP_GROWSDOWN flag.	2008-02-11 19:35:03 +00:00
pci	More properly handle links who only have 1 valid IRQ in their bitmask. The	2007-12-21 16:53:27 +00:00
svr4	Use svr4_si_{addr,code,errno,signo,trap} in preference to si_{...}.	2005-10-19 14:59:54 +00:00
xbox	Replace explicit calls to video methods with their respective variants	2007-12-29 23:26:59 +00:00
Makefile	Update entries for building tags.	2007-05-13 18:21:54 +00:00