shifathosn
/
AnyPS5
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

test(recompiler): plan an invariant descriptor phi in the disk cache test 

The round trip requires some fixture to plan a phi, and only one did:
the loop counter of "bindless sample in a loop latch", which reaches the
plan through the latch condition. The counter is not invariant, so the
CPU walk can never evaluate that condition. A plan that keeps only the
conditions the walk can evaluate, as #5181 aims to, would hold no phi
and fail the check with "no fixture plans a phi".

"descriptor invariant phi" loads the image descriptor from the same SRT
offset on both sides of a branch on an SRT dword. Its eight dwords are
phis of equivalent reads: the tracker keeps them, since it splits only
descriptor phis that are not invariant, and the walk evaluates them
through the invariant read. The plan stores them as descriptor dwords,
whichever conditions it keeps, so the phi encoding stays covered. The
fixture goes after the other compute fixtures, so they keep their seeds
and their damaged-entry checks.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Niko 2026-10-13 17:44:42 +02:00
parent 70663fec42
commit ce8944f853
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
core/libs/prx/libSceAgcDriver/tests/ShaderDiskCache.cpp
View File

@ -1203,6 +1203,7 @@ std::vector<PlanFixture> planFixtures() {
chained[7] = static_cast<std::uint32_t>(PlanPointerAddress >> 32u);
add("guarded pointer chain", 64, {0xf4080100u, 0xfa000000u, 0xf4000200u, 0xfa000010u, 0xf4040280u, 0xfa000018u, 0xbe8c03ffu, 0x11111111u, 0xbf8cc07fu, 0xbf068008u, 0xbf850006u, 0xf4040385u, 0xfa000000u, 0xbf8cc07fu, 0xf4000307u, 0xfa000000u, 0xbf8cc07fu, 0x7e02020cu, 0x34040082u, 0xe0701000u, 0x80010102u, 0xbf810000u}, srtPointer, {{PlanSrtAddress, chained}, {PlanPayloadAddress, payload}, {PlanPointerAddress, {static_cast<std::uint32_t>(PlanPayloadAddress), static_cast<std::uint32_t>(PlanPayloadAddress >> 32u)}}});
add("descriptor through a pointer", 64, {0xf4040280u, 0xfa000018u, 0xbf8cc07fu, 0xf4080105u, 0xfa000000u, 0xbf8cc07fu, 0x34040082u, 0xe0701000u, 0x80010002u, 0xbf810000u}, srtPointer, {{PlanSrtAddress, chained}, {PlanPointerAddress, bufferWords(PlanOutputAddress, 0u, 256u, 0x30027facu)}});
add("descriptor invariant phi", 32, {0xf4000400u, 0xfa000050u, 0xf4080500u, 0xfa000020u, 0xbf8cc07fu, 0xbf068010u, 0xbf850003u, 0xf40c0200u, 0xfa000000u, 0xbf820002u, 0xf40c0200u, 0xfa000000u, 0xf4080600u, 0xfa000040u, 0xbf8cc07fu, 0xf09c0f08u, 0x00a20000u, 0xbf8c3f70u, 0xe0700000u, 0x80060000u, 0xbf810000u}, srtPointer, {{PlanSrtAddress, phis}});
PlanFixture fragment;
fragment.name = "fragment parameters";