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17 Commits
Author SHA1 Message Date
Henrik RydgårdandClaude Opus 5.5 77ff1578c4 x86 JIT: Don't save callee-saved registers in the call thunk 
ProtectFunction's thunk saved all of XMM2-15 and RBX around every call,
but the callee preserves XMM6-15 on Windows and RBX everywhere. On
Windows that drops ten 16-byte saves and loads from each protected call.

Co-Authored-By: Claude Opus 5.5 (1M context) <[email protected]>
 2026-09-24 16:22:22 -06:00
Unknown W. Brackets b2798c7ada jit: Add more reasonable estimates for RX protect. 2022-11-20 10:55:35 -08:00
Unknown W. Brackets 4178f09e57 Build: More consistently avoid _M_ defines. 
We use PPSSPP_ARCH in several places already, this makes it more complete.
 2021-03-02 21:49:21 -08:00
Henrik Rydgård 47a3bf1dd7 Step 2 of removing PanicAlert 2020-07-19 20:34:02 +02:00
Henrik Rydgård 22e65ba80d Get rid of ugly alignment macros and some other cruft, we now have alignas(16) from C++11 2017-08-31 01:14:51 +02:00
Henrik Rydgård 0ec1e5e3b2 Don't erase and rewrite the dispatcher when the cache is cleared. Fixes #9708 2017-05-26 15:48:03 +02:00
Henrik Rydgard b264657d56 Implement W^X-compatible path. Works on Windows and Android, hopefully iOS (untested). 
Disabled block linking in this mode, can re-enable with some more work later.

To enable W^X on other platforms than iOS, simply change PlatformIsWXExclusive.
 2016-08-28 14:52:08 +02:00
Unknown W. Brackets eb386603fa Oops, still had an unaligned stack in some thunks. 2014-02-23 16:56:27 -08:00
Henrik Rydgård b894bd9b27 Merge pull request #5489 from unknownbrackets/jit-minor 
Fix stack overflow on x64 with memchecks, darn it
 2014-02-17 07:23:45 +01:00
Unknown W. Brackets 60515bbcd9 Properly allow for Windows' "home space" on x64. 
Fixes #5484.
 2014-02-16 21:06:08 -08:00
Unknown W. Brackets f2ba0f136d Fix stack overflow on x64 with memchecks, darn it. 2014-02-16 19:18:08 -08:00
Unknown W. Brackets d7233159aa Store thunk regs on the stack, not a global. 
This may even be more near active memory anyway, but it reduces the "64
bit address out of range" RIP issues a bit too.  It's currently impossible
to enable appverif memory checks and jit in 64-bit...

Avoided the 32-bit path because I'm less sure about alignment.
 2014-02-14 22:59:57 -08:00
Unknown W. Brackets 2347498667 x86jit: Use templates to avoid some void * casts. 
Makes it a bit cleaner and potentially safer.
 2014-01-18 09:57:13 -08:00
adrian17 5f86bc44d4 Deleted some doubled #includes. 2013-09-27 21:38:07 +02:00
Unknown W. Brackets 3fbb5d4388 Avoid using CALL() directly in case of far calls. 
This mainly matters for x64.
 2013-02-24 00:12:55 -08:00
Henrik Rydgard 687b085357 Missed these somehow 2012-11-04 23:58:25 +01:00
Henrik Rydgard 4f7ad15758 Add snapshot of the whole source code. 2012-11-01 16:19:01 +01:00