mirror of
https://github.com/adulau/aha.git
synced 2025-01-04 23:23:18 +00:00
3d0d14f983
lindent these files:
errors lines of code errors/KLOC
arch/x86/math-emu/ 2236 9424 237.2
arch/x86/math-emu/ 128 8706 14.7
no other changes. No code changed:
text data bss dec hex filename
5589802 612739 3833856 10036397 9924ad vmlinux.before
5589802 612739 3833856 10036397 9924ad vmlinux.after
the intent of this patch is to ease the automated tracking of kernel
code quality - it's just much easier for us to maintain it if every file
in arch/x86 is supposed to be clean.
NOTE: it is a known problem of lindent that it causes some style damage
of its own, but it's a safe tool (well, except for the gcc array range
initializers extension), so we did the bulk of the changes via lindent,
and did the manual fixups in a followup patch.
the resulting math-emu code has been tested by Thomas Gleixner on a real
386 DX CPU as well, and it works fine.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/*---------------------------------------------------------------------------+
|
|
| reg_convert.c |
|
|
| |
|
|
| Convert register representation. |
|
|
| |
|
|
| Copyright (C) 1992,1993,1994,1996,1997 |
|
|
| W. Metzenthen, 22 Parker St, Ormond, Vic 3163, Australia |
|
|
| E-mail billm@suburbia.net |
|
|
| |
|
|
| |
|
|
+---------------------------------------------------------------------------*/
|
|
|
|
#include "exception.h"
|
|
#include "fpu_emu.h"
|
|
|
|
int FPU_to_exp16(FPU_REG const *a, FPU_REG * x)
|
|
{
|
|
int sign = getsign(a);
|
|
|
|
*(long long *)&(x->sigl) = *(const long long *)&(a->sigl);
|
|
|
|
/* Set up the exponent as a 16 bit quantity. */
|
|
setexponent16(x, exponent(a));
|
|
|
|
if (exponent16(x) == EXP_UNDER) {
|
|
/* The number is a de-normal or pseudodenormal. */
|
|
/* We only deal with the significand and exponent. */
|
|
|
|
if (x->sigh & 0x80000000) {
|
|
/* Is a pseudodenormal. */
|
|
/* This is non-80486 behaviour because the number
|
|
loses its 'denormal' identity. */
|
|
addexponent(x, 1);
|
|
} else {
|
|
/* Is a denormal. */
|
|
addexponent(x, 1);
|
|
FPU_normalize_nuo(x);
|
|
}
|
|
}
|
|
|
|
if (!(x->sigh & 0x80000000)) {
|
|
EXCEPTION(EX_INTERNAL | 0x180);
|
|
}
|
|
|
|
return sign;
|
|
}
|