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Author SHA1 Message Date
Alyssa Rosenzweig b3ae81f75f OpcodeDispatcher: allow garbage on shld shift 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:26:59 -04:00
Alyssa Rosenzweig c1a1c37980 OpcodeDispatcher: mark ideas to improve SHLD 
a bit tricky right now.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:26:59 -04:00
Alyssa Rosenzweig 56dd9f23d1 InstCountCI: Update 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig fb6f850bb4 OpcodeDispatcher: remove rcl sub 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig b6d8749525 OpcodeDispatcher: remove select from rcl 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig d3f1397325 OpcodeDispatcher: eliminate constants in RCR 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig 0a164428fa OpcodeDispatcher: eliminate select in RCR 
the nzcv clobber I actually came ofr

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig 7496175100 OpcodeDispatcher: optimize 32-bit rcl/rcr 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig 0616a9cef1 OpcodeDispatcher: eliminate move in rcr 1-bit 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig 97f8775354 OpcodeDispatcher: optimize <32-bit rcr op1 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig c92099aa98 OpcodeDispatcher: fuse orlshl in rcr 1-bit 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig 7c288b09f1 OpcodeDispatcher: rmif mask rcl smaller OF 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig 680af7b1b0 OpcodeDispatcher: rcr op 8x1 cleanup 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig 349bc9efab OpcodeDispatcher: unify rcr op 1bit codepaths 
get additional opt for <32-bit

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig ad5c3cb268 OpcodeDispatcher: rmif mask for OF in rcr smaller 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig be8d37ef3d OpcodeDispatcher: optimize 32-bit rol/ror imm 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig 6ad2514bfe OpcodeDispatcher: rmif mask rcl smaller cf 
better on flagm. extra moves on non-flagm but, meh.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig 3fa6129a14 OpcodeDispatcher: rmif mask rcr smaller cf 
and do some constant folding to do so more.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig a57cebaf58 OpcodeDispatcher: skip OF calc for constant rotate >= 2 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig 34fdb14da1 OpcodeDispatcher: add and use AndConst 
this skips the constant folding, which saves the branching in the rotate
immediate implementations.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig 974baca09c OpcodeDispatcher: allow upper garbage with rcl/rcr smaller 
we're masking immediately to something smaller

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig f22094a493 OpcodeDispatcher: use a branch for 8/16-bit rotate flags 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig d979b3a1da OpcodeDispatcher: note idea to further optimize rcl 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Alyssa Rosenzweig 6d82c957fa OpcodeDispatcher: fuse orlshl in rcl 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-30 22:22:57 -04:00
Ryan Houdek 28715a1df6 InstCountCI: Fixes test to not use relative data 
JIT code and loaded code memory offsets aren't consistent run to run
which causes code generation consistency issues.
Instead use a register plus an immediate that can't fit in a single
16-bit encoding to get similar register allocation to RIP relative
addresses.

At some point it will probably be nice to support consistent placement
of both guest and host code so RIP relative can be used, but we don't have
support in our backend to do that.
 2024-01-30 17:40:36 -08:00
Tony Wasserka b40d8f5679 unittests/Library Forwarding: Add tests for fixed-size integer mapping 2024-01-30 19:54:45 +01:00
Ryan Houdek 2884337d85 Merge pull request #3391 from neobrain/fix_libfwd_custom_repack_nonstruct 
Library Forwarding: Don't attempt custom repacking for non-struct types
 2024-01-30 08:52:21 -08:00
Ryan Houdek 3036f3b3ff Merge pull request #3390 from pmatos/TestHarnessArgs 
Check that path arguments to TestHarnessRunner exist
 2024-01-30 08:52:14 -08:00
Paulo Matos b02ed40b5a Check that path arguments to TestHarnessRunner exist 2024-01-30 16:37:31 +00:00
Tony Wasserka 0114c874a7 unittests/Library Forwarding: Respect silent flag when compiling SourceWithAST 2024-01-30 17:22:23 +01:00
Tony Wasserka 3ff3dc8769 Library Forwarding: Add unit test for diverging parameter type sizes 2024-01-30 17:22:23 +01:00
Tony Wasserka d04c94fe80 Library Forwarding/gen: Map integers to fixed-size equivalents on guest 2024-01-30 17:22:23 +01:00
Tony Wasserka 0ebf260ed0 Library Forwarding: Consider struct metadata equal if it only differs in integer member type names 2024-01-30 17:22:23 +01:00
Tony Wasserka 28ae84cf60 Library Forwarding: Allow implicit conversions between various integer types 
Generally, implicit integer conversions are prohibited for data wrapped in
guest_layout/host_layout, but a few types are exceptional:
* char vs signed char vs unsigned char vs other 8-bit ints
* wchar_t vs other 32-bit ints
* size_t vs uint32_t (32-bit only)
* long long vs other 64-bit ints
* long vs long long (64-bit only)

These combinations have the same data size, so conversions between them are
explicitly allowed now.
 2024-01-30 17:22:23 +01:00
Tony Wasserka 26007168b0 Library Forwarding: Extend function pointer interface to take separate guest parameter lists 
Some types (notably size_t on 32-bit) have different sizes on the guest than on
the host. This template function must be aware of these differences, so a
second parameter list with fixed-size types must be provided to describe the
guest types.

Note that this information can't be queried through type traits: To a C++
compiler, size_t is indistuingishable from uint64_t. For this reason, the
correct guest type must indeed be provided externally.
 2024-01-30 17:22:23 +01:00
Tony Wasserka a48237e218 Library Forwarding: Don't attempt custom repacking for non-struct types 2024-01-30 17:18:54 +01:00
Mai fa3352004e Merge pull request #3381 from alyssarosenzweig/opt/masking 
Allow upper garbage on a bunch of instructions
 2024-01-30 10:07:53 -05:00
Mai b9378856da Merge pull request #3389 from Sonicadvance1/panic_spill_libnss3 
instcountci: Adds panicspill test from steamwebhelper
 2024-01-30 10:05:31 -05:00
Paulo Matos 515e98f4cb Update instruction counts 2024-01-30 10:47:56 +00:00
Ryan Houdek ce2924731e vixl/simulator: Enlarge simulator stack size 
Simulator stack size defaults to 8KB. This new unit test requires at
least 15360 stack size. Just push it up to 8MB.
 2024-01-29 19:48:38 -08:00
Ryan Houdek c099fd01f1 instcountci: Adds panicspill test from steamwebhelper 
This block of code causes our RA to panic spill and it gets hit my
steamwebhelper.
We should be able to spill without panic on this code at some point.
 2024-01-29 19:48:38 -08:00
Ryan Houdek 36250b10f6 InstCountCI: Sanitize out adrp and adr 
First time usage of adrp and adr, need to sanitize it.
 2024-01-29 19:32:04 -08:00
Ryan Houdek bc67910ee4 Merge pull request #3382 from pmatos/TypoFix 
Fix typos; NFC
 2024-01-29 16:10:14 -08:00
Ryan Houdek 79526b9c9e Merge pull request #3379 from neobrain/fix_fexconfig_paths 
FEXConfig: Initialize paths before trying to read configuration files
 2024-01-29 16:01:12 -08:00
Mai 31a4158957 Merge pull request #3383 from alyssarosenzweig/opt/ptest 
Optimize PTEST and VTESTP
 2024-01-29 13:30:53 -05:00
Mai 58f3d3caf5 Merge pull request #3380 from alyssarosenzweig/opt/pdep 
Optimize PDEP
 2024-01-29 13:27:15 -05:00
Alyssa Rosenzweig be52676b3b InstCountCI: Update 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-29 13:24:11 -04:00
Alyssa Rosenzweig ae48228943 OpcodeDispatcher: optimize vtestps/vtestpd 
I don't really care about AVX but do the same thing we did for vptest.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-29 13:24:11 -04:00
Alyssa Rosenzweig e8e35e48c7 OpcodeDispatcher: optimize ptest with tst 
Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-29 13:20:17 -04:00
Alyssa Rosenzweig 8b8f27a88f OpcodeDispatcher: optimize ptest with umaxv 
to check if the vector is zero, umaxv its elements and check if the reduced
scalar is zero.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
 2024-01-29 13:20:17 -04:00