a6fa20ea30
Added __flt_rounds, fp{get,set}round.
1995-04-28 21:57:00 +00:00
a3fa60161e
Preserve the equality "x == y*(x/y)+(x%y)" for negative y; from Lon Willett.
1995-04-22 09:33:49 +00:00
ce0bb6e8d2
Added libc VAX specific files.
1995-04-17 12:23:33 +00:00
53bd3d0603
Added __flt_rounds, fp{get,set}{mask,round,sticky}.
1995-04-11 18:13:49 +00:00
a0c1305064
Added __flt_rounds, fp{get,set}{mask,round,sticky}.
1995-04-10 21:09:06 +00:00
ae34e2ea6e
Put jtc's notice back, since these are now roughly identical.
1995-04-09 23:32:53 +00:00
ac11de32c1
Actually, bitfields are faster on the '040; optimize for it, but adjust the
...
fields so that the mask and sticky bits are the same.
1995-04-09 23:28:38 +00:00
99a6cfe734
Rewrite these to use the accrued exception byte for sticky flags, and to
...
avoid expensive bitfield instructions.
1995-04-09 22:49:26 +00:00
10cfe03e6d
Stylistic change to match fpsetsticky().
1995-04-09 21:55:50 +00:00
65a1322cd9
Reverse sense of exception bits.
1995-04-09 21:55:20 +00:00
42d9c8af6c
Oops; need to use fnstenv/fldenv for this.
1995-04-09 21:00:57 +00:00
a94ab51d20
Fix typo.
1995-04-09 20:44:02 +00:00
10b402aa60
Add fpset{mask,round,sticky}().
1995-04-09 20:33:13 +00:00
ddbc579aa7
Another optimization.
1995-04-09 19:31:33 +00:00
14e246dc4a
Optimize.
1995-04-09 19:18:49 +00:00
907e54c9e9
ENTRY(fpgetmask) -> ENTRY(fpgetsticky)
1995-04-09 19:14:28 +00:00
1b41528de0
removed commented-out #include <machine/asm.h>
1995-04-09 19:13:26 +00:00
80bba6a1e1
Added flt_rounds, fpget{round,mask,sticky}.
1995-04-07 14:57:16 +00:00
30c05ea2b8
Added __flt_rounds(), fp{get,set}{round,mask,sticky}().
1995-04-07 00:41:43 +00:00
ce36f636ab
Separate machine dependencies.
1995-03-20 14:45:27 +00:00
3b5d18b58e
SYS_brk -> SYS_break, and other (minor) changes.
1995-03-20 14:02:03 +00:00
7aa7897748
Simplify.
1995-03-11 20:28:59 +00:00
4c34be6b52
Clean up deleted files.
1995-03-01 00:00:00 +00:00
572e3f3188
don't forget inifinity.c
1995-02-25 16:24:22 +00:00
ea1ca14ecb
need these for new gen/Makefile
1995-02-25 16:20:12 +00:00
6929ad87a5
need these now, with new net Makefile.inc
1995-02-25 14:58:43 +00:00
3f45f31f15
strange corner cases:
...
(1) zero top 32 bits for 32-bit unsigned ops; 32-bit value can
be accidentally(?) sign-extended by the compiler/assembler.
(2) fix return value for mod's that cause traps
1995-02-25 03:09:32 +00:00
e7d917e6eb
Remove extra "u" constraint that caused gcc 2.6.3 not to compile this file.
...
Note that gcc 2.4.5, the compiler we are currently using, still compiles it
correctly after this change.
1995-02-17 06:01:47 +00:00
e4f5181d15
libc support for the alpha. more functions should be written in assembler,
...
but that's optimization. 8-)
1995-02-10 17:49:48 +00:00
e90d9fb8a6
Make the coding style more consistent.
1995-02-08 18:33:12 +00:00
ae5740f063
size_t is unsigned.
1995-02-08 18:15:25 +00:00
d04155c293
Optimize better.
1995-02-05 14:58:44 +00:00
1afdb958f0
+Infinity for MIPS
1995-01-18 01:27:24 +00:00
7530512a37
Machine dependent sig{set,long}jmp().
1995-01-11 20:22:28 +00:00
f1b3337a0b
Need to divide count by 2.
1995-01-07 03:44:55 +00:00
b4bd7fea24
Replaced pops with adds.
1994-12-24 01:16:44 +00:00
26eccb0a9b
Exchange offsets of "saved signal mask" and "signal mask saved" so
...
that the layout of sigjmp_bufs and jmp_bufs are the same (except
for the "signal mask saved" appended to the end).
1994-12-24 01:05:44 +00:00
201fac6e3d
More underscores...
1994-12-15 17:24:44 +00:00
a51d5c8eef
underscore changes
1994-12-12 19:31:22 +00:00
eb5168e5dc
RCS id format.
1994-12-07 04:47:59 +00:00
820aec410e
more underscore changes.
1994-11-28 18:56:40 +00:00
fcc40a849d
If len == 0, then the result must be 0 regardless of the other arguments.
1994-11-24 16:36:35 +00:00
705ee976cf
Prepended underscores
1994-11-14 23:48:58 +00:00
add2031dcf
Prepended underscores
1994-11-14 23:33:46 +00:00
2db41a19e7
Use trap gate to enter kernel.
1994-10-26 19:49:42 +00:00
c0356ed2a6
New file from Matthias.
1994-10-21 07:28:44 +00:00
db01d4c84a
fix code for PIC.
1994-10-21 07:13:21 +00:00
837f99d25c
Clean up deleted files.
1994-10-06 04:38:25 +00:00
6ba85483c3
Use bfffo rather than a slow loop.
1994-09-09 03:07:23 +00:00
af176ad58f
Revert this.
1994-08-05 22:35:20 +00:00
628cf4e2c8
fixed ld.so to properly save all regs when binding PIC functions. We no
...
longer need the special case (PIC) code to push args when calling cerror.
1994-08-04 05:02:31 +00:00
03dbf74333
inline call to sigreturn original idea from jason downs <downsj@CSOS.ORST.EDU>
...
we want this to be done for everything including non-PIC code as longjmp()
does non-standard things with regs and wouldn't like it if the user replaced
the sigreturn() stub.
1994-08-04 05:00:50 +00:00
ffdfc8a9b1
patch from Matthias Pfaller.
1994-08-01 19:37:14 +00:00
b5aa4fdd78
set KMSRCS & friends
1994-06-30 06:46:37 +00:00
535a398e2a
_minbrk => minbrk
1994-06-10 22:46:14 +00:00
cfb1bf8cc5
quad -1 return value now done right
1994-06-02 20:39:22 +00:00
6536072af7
add missing include
1994-05-27 21:56:04 +00:00
ae1bfcddc4
libc support for mips. libkern hooks are disabled
1994-05-24 07:12:09 +00:00
4438ac29e5
sigaltstack
1994-05-17 23:56:24 +00:00
a6a8e78548
update to use sigaltstack.
1994-05-10 08:15:57 +00:00
5f26aade17
shared lib support and some clean up.
1994-05-03 20:39:52 +00:00
36d933ca4f
quad -1 thing.
1994-04-04 06:54:15 +00:00
ca01015e04
Clean up deleted files.
1994-04-02 05:37:06 +00:00
b62b3fc050
have cerror DTRT on returns, w.r.t. quads and -1. it needs to be done
...
here (think of syscall(SYS_lseek,...)). also, kill bogus lseek thang.
1994-04-02 05:37:04 +00:00
345c8ef85c
Clean up deleted files.
1994-04-02 05:36:54 +00:00
da34d8a406
have cerror DTRT on returns, w.r.t. quads and -1. it needs to be done
...
here (think of syscall(SYS_lseek,...)). also, kill bogus lseek thang.
1994-04-02 05:36:52 +00:00
d5dbb53fee
Set d1 to -1 before cerror.
1994-03-31 18:50:58 +00:00
b3086b2299
Need to set %edx to -1 before cerror, though perhaps we should have something
...
more generic for this.
1994-03-31 18:38:57 +00:00
a3450ab6e8
Add a .text and .align to SYSCALL().
1994-03-31 18:31:23 +00:00
2c8fad6100
Need for copy-to-libkern-machdep in ../../Makefile
1994-03-29 07:10:36 +00:00
98cbb217ac
mem -> reg & reg->reg moves take the same time; so save a cycle by reading
...
the block length from the stack instead of caching it in a register.
1994-03-22 01:15:47 +00:00
46a09934d4
Clean up deleted files.
1994-03-22 01:13:11 +00:00
b05d947874
Clean up deleted files.
1994-03-17 01:58:27 +00:00
1f29a3d910
Smaller & Faster.
1994-03-16 17:40:23 +00:00
5ac78ccb34
[hn]to[nh][sl] functions used xchgb %h1,%b1 instead of the faster (on the
...
i486 & i586) rorw $8, %w1.
1994-03-16 17:34:14 +00:00
915f7d4d3d
Use RCSID macro.
1994-03-12 01:48:26 +00:00
c95cd47ba2
Use RCSID macro for RCS ID's.
1994-03-12 01:39:55 +00:00
e69ab544c4
Fixed global var access to be pc relative.
1994-03-09 07:50:56 +00:00
28965bf6db
Removing the unnecessary includes of sys/syscall.h.
1994-03-07 23:20:38 +00:00
6cea70fe75
Changing ## to /**/ for use with -traditional mode.
1994-03-04 21:10:12 +00:00
dde7045e0d
Changing PSR_T to PSL_T.
1994-02-25 07:41:18 +00:00
94303d1113
SYS.h: adding EX()
...
Makefile.inc: adding a cflag for a compiler that doesn't define ns32k
1994-02-25 07:40:47 +00:00
90ff28fef4
Style police. Use `je' and `jne' only on the result of an equality test;
...
use `jz' and `jnz' in all other cases.
1994-02-14 20:05:52 +00:00
7f582f99d4
Fix spelling mistake: cashe -> cache.
1994-02-14 17:45:16 +00:00
01284ad877
Performance improvement from Bruce Evans.
...
Removes one test instruction for each character.
1994-02-14 17:44:39 +00:00
f28455f783
Use "ror $8,%ax" instead of "xchg %al,%ah": equal on a i386, 1 cycle faster
...
on a i486, and 2 cycles faster on a iPentium.
1994-02-14 17:43:19 +00:00
e0bf9676e9
Insert some Position Independent Code.
1994-02-10 20:15:28 +00:00
4abc3ff245
handle __STDC__ preprocessor.
1994-02-08 02:31:55 +00:00
5cffad2151
Use movzbl, not movsbl, to zero extend for unsigned comparison.
...
Fix from Bruce Evans.
1994-02-07 20:57:05 +00:00
48ae66e2eb
Use machine/asm.h for ENTRY() macros.
1994-01-30 21:55:52 +00:00
f5fbffc1f4
Just use definitions from machine/asm.h.
1994-01-29 09:56:54 +00:00
e2c220f94b
Fix spelling error in Copyright notice
1994-01-28 20:34:33 +00:00
1fe07f186d
Separate curbrk and mincrk.
1994-01-27 15:08:03 +00:00
3463cb4eef
Trivial speedup inspired by SPARC code.
1994-01-27 15:00:49 +00:00
c25c219087
Random cleanup.
1994-01-27 14:45:52 +00:00
ef980f76fe
One last tweak.
1994-01-27 06:53:25 +00:00
22e614ce10
Random cleanup.
1994-01-27 06:34:59 +00:00
9c8862a970
Pedanticism.
1994-01-27 06:34:02 +00:00
3cf1bd9939
SYS_brk --> SYS_break. Where's my axe?
1994-01-27 04:30:34 +00:00
17b2a501cd
Stylistic changes.
1994-01-27 04:16:50 +00:00
jtc