gbeauche
0c8d0cd8be
SheepShaver icon for Windows
2004-12-11 11:19:55 +00:00
gbeauche
ce1420dcce
use native windows critical sections to implement atomic interrupt flags
...
handling and B2_mutexes
2004-12-11 10:17:48 +00:00
gbeauche
22efcbc6e4
native windows threads, set a higher thread priority to the tick thread,
...
implement Pause/ResumeEmulator()
2004-12-11 09:42:34 +00:00
gbeauche
ef8e363c5c
new NATMEM_OFFSET (0x02000000) makes it possible to allocate space for
...
the MacOS DR emulator code, though the usual limitations exist there
2004-12-11 08:59:57 +00:00
gbeauche
27eb7cccae
Windows-specific prefs items
2004-12-07 22:43:21 +00:00
gbeauche
3cd6c38e99
native windows version of SheepShaver (does not depend on cygwin.dll)
2004-12-07 22:40:30 +00:00
gbeauche
292b839e47
add Windows-specific localizable strings
2004-12-07 22:36:29 +00:00
gbeauche
9e96bd8241
fix cntlzw masks, fix build with cygwin/gcc
2004-11-26 00:13:05 +00:00
gbeauche
6287978c19
enable build of the cpu tester from the SheepShaver tree
2004-11-25 19:14:15 +00:00
gbeauche
6d68826725
cope with cygwin assembler'isms
2004-11-25 00:29:36 +00:00
gbeauche
3caa663fc8
try to cope with cygwin assembler
2004-11-25 00:25:53 +00:00
gbeauche
a6109dbec5
fix i386 offsets for direct patching. Fix Cygwin support.
2004-11-25 00:24:07 +00:00
gbeauche
53dfcecb54
16-byte aligned memory allocator only for sheepshaver_cpu
2004-11-25 00:21:09 +00:00
gbeauche
73a3269ea5
Merge in Win32 (COFF) executable support from QEMU. Also add Mach parser
...
but it's unlikely to work, simply keep it in sync.
2004-11-24 23:07:55 +00:00
gbeauche
602851a68e
move ppc-execute-impl.cpp dep down after DYNGENDEPS is defined
...
(fix parallel build, tested as make -j5)
2004-11-24 22:57:10 +00:00
gbeauche
f6d5e64088
cosmetics (only include <stddef.h> for size_t definition)
2004-11-24 22:49:15 +00:00
gbeauche
061b9512f3
fix coff symbol table decoding
2004-11-24 22:48:38 +00:00
gbeauche
a5837cd989
check for <fenv.h>
2004-11-24 22:48:02 +00:00
gbeauche
7114f0d4cd
a.out definitions for the cygwin coff object analyzer
2004-11-23 23:18:54 +00:00
gbeauche
ba20dc55d7
fix build with dyngen JIT
2004-11-22 23:35:05 +00:00
gbeauche
bf2185c208
fix build on unixish platforms
2004-11-22 23:17:32 +00:00
gbeauche
26a128bf6a
use new ieeefp.hpp wrapping over <fenv.h>
2004-11-22 22:55:50 +00:00
gbeauche
ddcd7a8df8
Implement some <fenv.h> functions on systems that don't support them
...
yet. This includes Cygwin/x86. The code is derived from the GNU C Library.
2004-11-22 22:54:53 +00:00
gbeauche
a9928fe707
Cygwin support. Only generate NATMEM_OFFSET definitions in Direct Addressing
...
mode. Merge sshpty.c support detection code from Basilisk II.
2004-11-22 22:51:54 +00:00
gbeauche
1eab606dcb
Cygwin Direct Addressing hack.
2004-11-22 22:40:26 +00:00
gbeauche
22af21e7fa
Add .exe extensions accordingly. Fix build without dyngen JIT support
2004-11-22 22:23:55 +00:00
gbeauche
40fcbdc172
Avoid use of Host2MacAddr() with static data as it may need to force
...
a 32-bit address truncation on 64-bit platforms with DIRECT_ADDRESSING
or with platforms with particular Direct Addressing modes (a.g. Cygwin)
2004-11-22 22:16:09 +00:00
gbeauche
e1bbf0714b
PPC_REENTRANT_JIT is only valid with JIT enabled
2004-11-22 22:09:05 +00:00
gbeauche
114f5ff6c7
Use BUILD_SHEEPSHAVER_PROCEDURE to allocate static procedures into the
...
SheepShaver globals. Fix build of sheepshaver_glue.cpp without JIT.
2004-11-22 22:04:38 +00:00
gbeauche
7be8af917c
Try to explain the SheepShaver globals
2004-11-22 21:50:45 +00:00
gbeauche
d6c7e0eb23
New SheepShaver globals layout, move ZeroPage into the middle. Since it is
...
a read-only page, it can also be used to detect overlaps between Procedure
space and Data space.
Provide native Windows implementation of shared MacOS KernelData allocation.
This is moved under main() so that to avoid a weird linking error. This native
implementation is independent of Cygwin IPC (and possible background server)
2004-11-22 21:33:32 +00:00
gbeauche
40367bd931
new SheepShaver globals layout
2004-11-22 21:22:58 +00:00
gbeauche
970bc59e40
fix build without dyngen enabled
2004-11-21 20:50:51 +00:00
gbeauche
ba11daf004
Inherit clip_unix.cpp from Basilisk II, now they are identical.
2004-11-15 23:41:08 +00:00
gbeauche
3ace37f4eb
Implement Direct Addressing mode similarly to Basilisk II. This is to get
...
SheepShaver working on OSes that don't support maipping of Low Memory globals
at 0x00000000, e.g. Windows.
2004-11-13 14:09:16 +00:00
gbeauche
9e330d5615
fix cpuid test on x86_64 and newer binutils
2004-11-11 07:25:45 +00:00
gbeauche
62f9a4bbba
fix build on 32-bit platforms
2004-11-10 10:23:38 +00:00
gbeauche
c3333e8ef6
fix deps for parallel build (tested make -j4)
2004-11-10 07:24:33 +00:00
gbeauche
5d79c5a5f2
fix build on 64-bit platforms with gcc3.4, especially on x86_64
2004-11-10 06:47:17 +00:00
gbeauche
c45fa9c75e
fix build on FC2/x86_64 (Bob Deblier)
2004-09-27 19:08:23 +00:00
gbeauche
4f78562642
SDL audio support
2004-07-19 19:42:21 +00:00
gbeauche
a83dfd52d0
fix gc_mask2 patch for gossamer
2004-07-14 08:24:07 +00:00
gbeauche
4d60dea4ee
Revert last change until I can check myself...
2004-07-11 08:12:21 +00:00
gbeauche
58e74f3ca0
Enable ethernet everywhere, several users got it to work. Hangs may be
...
unrelated to ethernet code anyway and ethernet driver should be endian
safe nowadays.
2004-07-11 07:54:56 +00:00
gbeauche
18a039b610
Notify upper execution levels that we invalidated the translation cache,
...
even partially. i.e. Always get out of compiled code on any cache invalidate
2004-07-11 06:44:52 +00:00
gbeauche
623a804814
Remove "native" EmulOp stuff as it is useless and duplicates functionalities
2004-07-11 06:42:28 +00:00
gbeauche
c1c16e9997
Use Nigel's "extfs" implementation on MacOS X
2004-07-10 07:38:51 +00:00
gbeauche
b60874907e
Better PowerPC / POWER CPU detection from Linux cpu_specs[] table.
2004-07-10 06:15:42 +00:00
gbeauche
9a93480546
Remap any newer G4/G5 processor to plain G4 for compatibility
2004-07-07 04:33:37 +00:00
gbeauche
cdd4462cd3
MacOS X bundle stuff. make SheepShaver_app to build the .app.
2004-07-07 04:13:37 +00:00
gbeauche
ba0b428bba
MacOS X bundle stuff
2004-07-07 04:07:09 +00:00
gbeauche
ebdb5d29fd
get timebase-frequency on osx too.
2004-07-04 05:19:44 +00:00
gbeauche
9545f93d3d
More accurate Gestalt 'cput' values (G4, 750FX)
2004-07-03 17:48:44 +00:00
gbeauche
0669b02e5f
Introducce TimebaseSpeed which represents exact timebase-frequency instead
...
of supposing it to be (BusClockSpeed/4), which is no longer true on G5 et al.
2004-07-03 10:39:07 +00:00
gbeauche
ddd6402a16
fix jump crossing init of start_time
2004-07-02 15:38:54 +00:00
gbeauche
e03fe79872
Move NQD to gfxaccel.cpp, since it does not depend on a specific system
...
implementation.
2004-07-02 06:06:34 +00:00
gbeauche
32a6ac321c
Try to recognize and handle PowerPC 970 (G5). Untested as I don't have such
...
platforms handy.
2004-07-01 22:55:02 +00:00
gbeauche
ecbb2163ff
Better hardware cursor mapping from SDL code.
2004-06-30 22:03:34 +00:00
gbeauche
d51727009e
check for egrep
2004-06-30 08:51:37 +00:00
gbeauche
39a6cdf957
Avoid corefiles. Check for large file support (> 2 GB).
2004-06-30 08:48:45 +00:00
gbeauche
0d206db2e7
Use autoconf 2.5 so that we could get m4sugar macros (AS_VAR_PUSHDEF et al.)
...
and more importantly correct macros for AC_SYS_LARGEFILE support.
BTW, also fix test for <linux/if.h>
2004-06-30 08:45:14 +00:00
gbeauche
41035e5064
Fix Gestalt for PowerPC 745x processors.
2004-06-30 08:17:12 +00:00
gbeauche
eb9961585b
Handle 750FX, 7450, 7455, 7457.
2004-06-29 20:25:55 +00:00
gbeauche
76bb0a9d60
fix typo
2004-06-27 22:14:09 +00:00
gbeauche
4b680a1ccb
Add configure macros to check for -framework Carbon and -framwork IOKit so
...
that we can include ../MacOSX/clip_macosx.cpp (clipboard support),
../MacOSX/sys_darwin.cpp (cdrom, floppy et al. support). Also handle new
SDL keycodes file.
2004-06-27 22:12:52 +00:00
gbeauche
b6bf86c406
Fix typo in comment here too. ;-)
2004-06-27 20:36:51 +00:00
gbeauche
380d4f294e
Make sure to initialize alt stacks before SIGSEGV handlers
2004-06-26 16:25:22 +00:00
gbeauche
3e5c98c7d4
Performance of VOSF is heuristically determined at run-time, so have to
...
initialize SIGSEGV handlers early, as in Basilisk II. Besides, also add
missing call to vm_init() in case host system doesn't have MAP_ANON.
2004-06-26 15:26:18 +00:00
gbeauche
df3cf1ac52
Add --enable-sdl-static option to use static SDL libraries. Useful e.g. on
...
MacOS X as user might not have SDL installed and I am using self-built
libraries placed into /usr/local/lib/*. Note this can add extra dependencies
to unused libraries.
2004-06-24 16:32:12 +00:00
gbeauche
67da895ec6
Check for strlcpy(). Check for "true" better with AC_PROG_PATH
2004-06-24 16:13:53 +00:00
gbeauche
0dcb2b4516
SDL support in SheepShaver too, though it doesn't work in native mode
...
on Linux/ppc as libSDL is pulling in libpthread which conflicts with
our sheepthreads.
2004-06-24 15:37:26 +00:00
gbeauche
20014c1c7c
Provide Host2MacAddr(), which returns address in Mac address space.
2004-06-24 15:34:59 +00:00
gbeauche
358def87a4
Fix for new SDL code in Basilisk II.
2004-06-23 14:41:49 +00:00
gbeauche
1c8f60e63a
Disable VOSF on OSX, SIGSEGV recovery is too slow.
2004-06-22 22:41:44 +00:00
gbeauche
15f0ca6a22
Force use of MacX mappings on MacOS X with Apple's X server.
2004-06-22 20:01:18 +00:00
gbeauche
5357aac108
Fix VideoExit() on OSX, there was no cancellation point in redraw_thread.
2004-06-22 19:32:00 +00:00
gbeauche
e0a76f9e38
Don't handle XLM_IRQ_NEST atomically in emulated mode. That's useless since
...
this variable is modified only within a single thread and interrupts are
not handled asynchronously.
2004-06-22 17:10:08 +00:00
gbeauche
1988a45a16
More realistic "mftb" implementation, aka. fix AbsoluteToNanoseconds() and
...
generally speaking UpTime()-based stopwatchers.
2004-06-22 15:48:50 +00:00
gbeauche
070ac7079f
Always handle interrupt even if InterruptFlags == 0, though it should not
...
really happen in practise.
2004-06-22 14:18:35 +00:00
gbeauche
f2324520b7
Improve timing of periodic threads (from Basilisk II), aka. make 10 seconds
...
really last 10 seconds, not 18. ;-)
2004-06-22 12:20:17 +00:00
gbeauche
2224cc63d0
MacOS 9.0.4 support. ;-)
2004-06-20 19:10:02 +00:00
gbeauche
cb46ffe97a
Get PVR information et al. through (slow) ioreg -c IOPlatformDevice
2004-06-17 05:15:25 +00:00
gbeauche
5f98a013a5
Don't bother with predecode cache when using JIT.
2004-06-15 21:37:22 +00:00
gbeauche
72b26d7ff7
Stop forced compilation when entering a new JIT execution level.
2004-06-15 21:27:46 +00:00
gbeauche
aeab320c3f
Speed up testsuite with JIT compilers. Fix exit code.
2004-06-15 21:02:24 +00:00
gbeauche
6eb8c20565
Merge event2keycode() from Basilisk II, aka. make Option key mapped to
...
Mode_Switch work as real option key. Merge caps_on handling from B2 too.
2004-06-11 22:09:27 +00:00
gbeauche
f574a5df05
Cleanups. Rewrite gen_bc() so that no push/pop could be inserted thus
...
causing crahes with some compilers. However, that's slower.
2004-06-09 16:36:44 +00:00
gbeauche
301d3a3192
STATS: Account for all interrupts, but still count native interrupts. It
...
turns out that for a regular bootup sequence to the Finder, less than 30%
interrupts triggered were in native mode.
Default EMUL_TIME_STATS to 0, end user probably doesn't want garbage to
be printed to his console.
2004-06-05 07:09:38 +00:00
gbeauche
1a4e0d5c40
remove now obsolete code
2004-06-05 06:30:58 +00:00
gbeauche
d5f6d59ad0
When no fullscreen mode requested nor available, always try to pick the
...
first windowed mode matching current depth.
2004-06-05 06:28:21 +00:00
gbeauche
a9c38c3598
Add "jit68k" prefs item to enable built-in 68k DR emulator.
2004-06-03 21:52:55 +00:00
gbeauche
bf17f78ac4
Disable testandset() locks, use pthread's as SheepShaver occasionnally hangs
...
with spinlocks. Weird as those are derived from x86 linuxthreads.
2004-06-02 16:11:49 +00:00
gbeauche
76c06c52e0
Fix and enable NQD (bitblt, fillrect) on little-endian platforms too
2004-06-02 15:41:34 +00:00
gbeauche
c8d897b558
Disable DR Cache for now, as I don't know why it occasionnally crashes.
2004-05-31 11:00:13 +00:00
gbeauche
374101ee9e
Make DR Cache executable by default in native PowerPC mode.
2004-05-31 10:55:42 +00:00
gbeauche
389dd61d0d
Check for SIGSEGVs from DR Cache code too.
2004-05-31 10:08:31 +00:00
gbeauche
a533a9c455
Enable DR emulator with OldWorld ROMs too. It turned out that translated
...
code was also trying to access Serial memory.
Note however that I noticed some rare crashes with the DR emulator.
Probably caused by nested runs from EmulOps? We'd really want a native
68k emulator too for Execute68k() things.
2004-05-31 10:02:20 +00:00
gbeauche
7bc86b27ee
Enable Apple DR emulator from NewWorld ROMs only.
2004-05-31 09:04:44 +00:00
gbeauche
0241704587
Add GUI items for "idlewait" and "gfxaccel"
2004-05-25 16:12:14 +00:00
gbeauche
6eb7262000
STR_1152x768_CTRL => "Fullscreen 1152x768"
2004-05-25 15:33:24 +00:00
gbeauche
619aa9b319
Translate LMW, STMW and DCBZ instructions.
2004-05-23 16:34:38 +00:00
gbeauche
b0aae35951
Do FOLLOW_CONST_JUMPS for bcl 20,BI,TARGET branches too, since that's an
...
unconditional jump and we don't need the LR in that case.
Also fix this:
SheepShaver: ../kpx_cpu/src/cpu/ppc/ppc-translate.cpp:1499: powerpc_block_info* powerpc_cpu::compile_block(unsigned int): Assertion `dg.jmp_addr[i] != __null' failed.
Aborted
aka. StuffIt Expander + pressing the 'Cancel' button.
2004-05-23 06:41:25 +00:00
gbeauche
05bd5f40b4
Fix NativeOp code generation, especially in PPC_REENTRANT_JIT mode
2004-05-23 05:28:12 +00:00
gbeauche
f376933138
Attempt to fix direct block chaining code in corner cases. e.g. really
...
chain only blocks within page boundaries (compare against block entry point)
2004-05-22 17:57:36 +00:00
gbeauche
d9168c9869
add and fix testandset for x86_64
2004-05-20 17:46:49 +00:00
gbeauche
3a033cf79b
atomic spcflags
2004-05-20 17:19:59 +00:00
gbeauche
bd6eaf680a
Get rid of old (and broken) ASYNC_IRQ / MUTICORE code
2004-05-20 12:33:58 +00:00
gbeauche
3a960764ea
Don't allow "recursive" NanoKernel interrupts
2004-05-20 11:47:27 +00:00
gbeauche
ec6c98035b
Better interrupt context checking code
2004-05-20 11:05:30 +00:00
gbeauche
c3f2342f47
Make NativeOp() handler a sheepshaver_cpu handler, thus getting rid of ugly
...
GPR macro definition.
Make the JIT engine somewhat reentrant. This brings a massive performance
boost for applications that cause many Execute68k(). e.g. audio in PlayerPRO.
2004-05-19 21:23:17 +00:00
gbeauche
76bb058d70
Use memmove() in NQD_bitblt() in order to avoid possible overlaps
2004-05-16 15:48:25 +00:00
gbeauche
ae0e7293dd
Don't take an EMUL_OP mode switch for Microseconds() and SynchIdleTime()
2004-05-15 17:26:28 +00:00
gbeauche
28eb840182
"idlewait" support for Linux and NewWorld ROMs
2004-05-15 16:36:44 +00:00
gbeauche
65e1edb5b2
Fix bus frequency detection for more realistic timers.
...
Also add bus-frequency and timebase-frequency values to the Name Registry.
2004-05-15 11:07:11 +00:00
gbeauche
3904a421d4
Use assembly optimizations on x86 for adde/addo/etc. emulation
2004-05-14 08:25:30 +00:00
gbeauche
2ee1e604eb
Revert to use hw mac cursor acceleration in windowed mode
2004-05-14 08:24:31 +00:00
gbeauche
7da40bee5c
Handle SAFE_INTERRUPT_PPC to check possible nested calls (and this happens)
2004-05-12 15:54:23 +00:00
gbeauche
4571aa1c23
Typos. In EtherIRQ sheep_net case, really grab size bytes from device
2004-05-12 11:42:12 +00:00
gbeauche
8f6a408701
chmod 755 installed tunconfig
2004-05-12 11:39:00 +00:00
gbeauche
f75394db90
Direct block chaining works on all supported platforms, enabled by default
2004-05-12 11:38:16 +00:00
gbeauche
05fad61b21
Direct block chaining works on all supported platforms
2004-05-12 11:36:39 +00:00
gbeauche
81ae2fee40
Direct block chaining on x86 and amd64 too. Optimize do_execute_branch_bo<>
...
No need to update Program Counter if we have direct linked blocks.
TODO: remove obsolete PC-related generators
2004-05-12 10:44:04 +00:00
gbeauche
15a0779328
Size optimization: don't generate jump_next_A0() code in block chaining
...
mode since the only case we would reach that is when there are pending
interrupts, thus needing to exit from this basic block ASAP. Otherwise,
we jumped to linker trampolines
2004-05-11 21:53:48 +00:00
gbeauche
08bcd2653d
direct block chaining, aka faster block dispatcher
2004-05-11 20:53:25 +00:00
gbeauche
6c0e2a9f2a
Disable MacOS -> X11 copying of cursor in windowed mode too. You can
...
recompile with "mac_cursor_enabled" constant set to true. Disabling it
causes a better looking cursor that is not "disappearing" sometimes with
e.g. Microsoft Internet Explorer.
2004-05-10 16:42:37 +00:00
gbeauche
21607e19ad
Provide Mac_sysalloc() and Mac_sysfree() for memory allocation in MacOS
...
system heap zone. Use them for network related data dynamically allocated.
TODO: check performance in emulated mode!
2004-05-10 16:16:26 +00:00
gbeauche
f32e5ee9ab
Optimize for 32-bit big endian platforms
2004-05-10 15:42:35 +00:00
gbeauche
fd8b5bbb7a
Tentative little-endian fixes
2004-05-10 12:05:45 +00:00
gbeauche
cbc77b202d
Link keycodes & tunconfig files, DESTDIR'ify Unix/Makefile
2004-05-09 17:55:11 +00:00
gbeauche
85347b85c7
TUN/TAP support
2004-05-09 17:44:18 +00:00
gbeauche
5164fc9dfc
parentesisation
2004-05-07 14:19:50 +00:00
gbeauche
2eda71a795
build fixes for x86 and some older compilers
2004-05-07 13:27:26 +00:00
gbeauche
ba7bfc478e
Extend NativeOp count to 64 (6-bit value), aka fix NATIVE_FILLRECT opcpdes.
...
Translate NQD_{bitblt,fillrect,invrect} to direct native calls.
Use Mac2HostAddr() for converting Mac base address to native.
2004-04-22 22:54:47 +00:00
gbeauche
8b40a7e721
NQD: use ReadMacInt*() and WriteMacInt*() accessors, i.e. code should now
...
be little-endian and 64-bit safe.
2004-04-22 21:45:18 +00:00
gbeauche
b4ac3fb507
Basic fillrect/invrect NQD. Code may need to be factored out somehow.
...
Verify that bitblt NQD transfer modes are really CopyBits() ones [MB5].
2004-04-22 20:57:31 +00:00
gbeauche
04dcff8ab4
Constrain NQD to powerpc (32-bit big endian) at this time
2004-04-18 23:17:54 +00:00
gbeauche
a65a6c6db2
Start Native QuickDraw acceleration
2004-04-18 23:03:53 +00:00
gbeauche
123a5210e4
Fix nested ppc_interrupt() stack corruption problem by allocating yet
...
another stack when next signal is triggered. I am still unsure if
even MacOS would normally handle nested calls to NanoKernel interrupt
routine.
2004-04-14 20:25:26 +00:00
gbeauche
fd474d041d
Fix DGA mode for emulated PPC targets. It currently doesn't work in native
...
mode as the stack is corrupted and we are jumping to garbage when moving
the mouse. Also add 1152x768 resolution from PBG4, but make timing match
the 1152x870 version.
Cleanups, further merges from Basilisk II tree.
2004-04-13 22:22:22 +00:00
gbeauche
e6a05869ac
Disable VidMode extension by default as some video cards don't support it
...
well, thus causing a black screen. Besides, fix up sigsegv_recovery logic
2004-04-13 22:13:19 +00:00
gbeauche
61aa371b48
Handle NO_CONFIGURE variable if we are only generating the configure script
2004-04-13 22:12:27 +00:00
gbeauche
e9ca9478d2
Map window close widget to the Mac "power" key.
2004-04-11 10:46:32 +00:00
gbeauche
9b4a75139e
Merge run-time depth switching code from Basilisk II.
2004-04-10 23:15:22 +00:00
gbeauche
ec2511fd99
Load XPRAM default values if signature not found. i.e. don't hang on first
...
boot.
2004-04-06 19:47:56 +00:00
gbeauche
689d017cbd
fix for SheepThreads (native mode)
2004-02-25 22:02:59 +00:00
gbeauche
9dc6cdc70e
Portability fixes: declare Set_pthread_attr() only if HAVE_PTHREADS. Merge
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add_{serial,ether}_names() from B2 prefs editor for FreeBSD/IRIX.
2004-02-24 23:09:39 +00:00
gbeauche
47348e8120
16-byte aligned memory allocator will try the following functions in-order
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(determined at compile-time): posix_memalign, memalign, valloc, malloc.
2004-02-24 14:09:12 +00:00
gbeauche
ae93ea2f16
Make SheepShaver work with OS 8.6 out-of-the-box with no extra patch for
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the time being. i.e. ignore writes to the zero page when faking SCSIGlobals
2004-02-24 11:12:54 +00:00
gbeauche
643f9ad5e5
fix auto-detection of SSE headers on x86
2004-02-24 10:21:21 +00:00
gbeauche
b802615c36
Don't include SSE/MMX intrinsics headers if they are not available
2004-02-20 17:33:28 +00:00