Files
xenia-rs/migration/project-root/ppc-manual/forms/VX128.md
MechaCat02 e6d43a23ac chore: add migration/ bundle for cross-machine setup
Bundles state that lives OUTSIDE the xenia-rs repo so a fresh clone on
another machine can be brought up to identical configuration via
migration/setup.sh:

  - claude-memory/             ~/.claude/projects/-home-fabi-RE-Project-Sylpheed/memory/
                               (103 files, 1.1 MB - MEMORY.md + every
                                project_xenia_rs_*.md from audits
                                addis_signext through audit-058)
  - project-root/dot-claude/   <project-root>/.claude/settings.json
                               (Stop hook + permissions)
  - project-root/ppc-manual/   <project-root>/ppc-manual/
                               (PowerPC reference docs, 397 files, 3.7 MB)
  - project-root/run-canary.sh <project-root>/run-canary.sh
  - README.md                  Human-readable setup checklist
  - setup.sh                   Idempotent installer (also reclones
                               xenia-canary at pinned HEAD 6de80dffe)
  - MANIFEST.md                Per-file mapping + per-file-not-bundled
                               restoration recipe

Excluded from bundle (not shippable via git):
  - Sylpheed ISO (7.8 GB; copyright; manual copy required)
  - sylpheed.db (395 MB; regenerable from XEX via analysis tooling)
  - target/ build artifacts (rebuild on target)
  - audit-runs probe firehoses (.log/.stdout/.stderr ~11 GB; rerun if needed)
  - audit-runs memory dumps (.bin ~4.5 GB; rerun audit-026/027/029 if needed)
  - xenia-canary checkout (setup.sh reclones from
    git.mc02.dev/fabi/Xenia-Canary.git at HEAD 6de80dffe)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-10 21:38:38 +02:00

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# Form `VX128` — VX128 — VMX128 3-operand (register-fused)
## Bit Layout
| Bits | Field | Meaning |
| --- | --- | --- |
| 05 | `OPCD` | primary opcode (4 or 5) |
| 610 | `VD128l` | destination low 5 bits |
| 1115 | `VA128l` | source A low 5 bits |
| 1620 | `VB128l` | source B low 5 bits |
| 21 | `VA128H` | source A high bit |
| 22 | `—` | reserved |
| 2325 | `VC` | optional VC / XO sub-field |
| 26 | `VA128h` | source A middle bit |
| 27 | `—` | reserved |
| 2829 | `VD128h` | destination high 2 bits |
| 3031 | `VB128h` | source B high 2 bits |
## Instructions Using This Form
<!-- GENERATED: BEGIN -->
| Mnemonic | Opcode | Group | Description |
| --- | --- | --- | --- |
| [`vaddfp128`](../vmx128/vaddfp.md) | `0x14000010` | vmx | Vector128 Add Floating Point |
| [`vsubfp128`](../vmx128/vsubfp.md) | `0x14000050` | vmx | Vector128 Subtract Floating Point |
| [`vmulfp128`](../vmx128/vmulfp128.md) | `0x14000090` | vmx | Vector128 Multiply Floating-Point |
| [`vmaddfp128`](../vmx128/vmaddfp.md) | `0x140000d0` | vmx | Vector128 Multiply Add Floating Point |
| [`vmaddcfp128`](../vmx128/vmaddcfp128.md) | `0x14000110` | vmx | Vector128 Multiply Add Floating Point |
| [`vnmsubfp128`](../vmx128/vnmsubfp.md) | `0x14000150` | vmx | Vector128 Negative Multiply-Subtract Floating Point |
| [`vmsum3fp128`](../vmx128/vmsum3fp128.md) | `0x14000190` | vmx | Vector128 Multiply Sum 3-way Floating Point |
| [`vmsum4fp128`](../vmx128/vmsum4fp128.md) | `0x140001d0` | vmx | Vector128 Multiply Sum 4-way Floating-Point |
| [`vpkshss128`](../vmx128/vpkshss.md) | `0x14000200` | vmx | Vector128 Pack Signed Half Word Signed Saturate |
| [`vand128`](../vmx128/vand.md) | `0x14000210` | vmx | Vector128 Logical AND |
| [`vpkshus128`](../vmx128/vpkshus.md) | `0x14000240` | vmx | Vector128 Pack Signed Half Word Unsigned Saturate |
| [`vandc128`](../vmx128/vandc.md) | `0x14000250` | vmx | Vector128 Logical AND with Complement |
| [`vpkswss128`](../vmx128/vpkswss.md) | `0x14000280` | vmx | Vector128 Pack Signed Word Signed Saturate |
| [`vnor128`](../vmx128/vnor.md) | `0x14000290` | vmx | Vector128 Logical NOR |
| [`vpkswus128`](../vmx128/vpkswus.md) | `0x140002c0` | vmx | Vector128 Pack Signed Word Unsigned Saturate |
| [`vor128`](../vmx128/vor.md) | `0x140002d0` | vmx | Vector128 Logical OR |
| [`vpkuhum128`](../vmx128/vpkuhum.md) | `0x14000300` | vmx | Vector128 Pack Unsigned Half Word Unsigned Modulo |
| [`vxor128`](../vmx128/vxor.md) | `0x14000310` | vmx | Vector128 Logical XOR |
| [`vpkuhus128`](../vmx128/vpkuhus.md) | `0x14000340` | vmx | Vector128 Pack Unsigned Half Word Unsigned Saturate |
| [`vsel128`](../vmx128/vsel.md) | `0x14000350` | vmx | Vector128 Conditional Select |
| [`vpkuwum128`](../vmx128/vpkuwum.md) | `0x14000380` | vmx | Vector128 Pack Unsigned Word Unsigned Modulo |
| [`vslo128`](../vmx128/vslo.md) | `0x14000390` | vmx | Vector128 Shift Left Octet |
| [`vpkuwus128`](../vmx128/vpkuwus.md) | `0x140003c0` | vmx | Vector128 Pack Unsigned Word Unsigned Saturate |
| [`vsro128`](../vmx128/vsro.md) | `0x140003d0` | vmx | Vector128 Shift Right Octet |
| [`vrlw128`](../vmx128/vrlw.md) | `0x18000050` | vmx | Vector128 Rotate Left Word |
| [`vslw128`](../vmx128/vslw.md) | `0x180000d0` | vmx | Vector128 Shift Left Integer Word |
| [`vsraw128`](../vmx128/vsraw.md) | `0x18000150` | vmx | Vector128 Shift Right Arithmetic Word |
| [`vsrw128`](../vmx128/vsrw.md) | `0x180001d0` | vmx | Vector128 Shift Right Word |
| [`vmaxfp128`](../vmx128/vmaxfp.md) | `0x18000280` | vmx | Vector128 Maximum Floating Point |
| [`vminfp128`](../vmx128/vminfp.md) | `0x180002c0` | vmx | Vector128 Minimum Floating Point |
| [`vmrghw128`](../vmx128/vmrghw.md) | `0x18000300` | vmx | Vector128 Merge High Word |
| [`vmrglw128`](../vmx128/vmrglw.md) | `0x18000340` | vmx | Vector128 Merge Low Word |
| [`vupkhsb128`](../vmx128/vupkhsb.md) | `0x18000380` | vmx | Vector128 Unpack High Signed Byte |
| [`vupklsb128`](../vmx128/vupklsb.md) | `0x180003c0` | vmx | Vector128 Unpack Low Signed Byte |
<!-- GENERATED: END -->