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chore(tools): adopt the PPC manual and a canary launcher that works anywhere

CONSOLIDATION.md Phase 6. Both lived untracked in the project root -- on one
disk, backed up by nothing.

  tools/ppc-manual/   393 files, 3.7 MB. 455 instructions, 350 family pages,
                      598 mnemonics resolvable through index.json, plus the
                      generator that produced them.
  tools/run-canary.sh the oracle launcher.

🔴 THE LAUNCHER WAS BROKEN IN TWO WAYS AND IS REWRITTEN, not copied:

  * it pointed at `xenia-rs/sylpheed.iso`, a SYMLINK. Wine cannot resolve one
    and says "path invalid", which reads as a corrupt image rather than a path
    problem -- it has cost a session before. It now points at the real file and
    warns if handed a symlink.
  * it hardcoded one machine's absolute paths, and named `xenia-rs`, which this
    consolidation retires. Now derived from the script's own location, with
    SYLPH_CANARY_BIN / SYLPH_ISO overrides and a check that each exists.

The standing constraints are in its header where someone will read them: one
emulator at a time, Canary runs MUTED, and never judge a crash or a hang from
a Bash-launched run -- a SIGKILL that looked like the binary was the editor's
process supervisor.

⚠️ The manual's GENERATOR reads the xenia-rs source tree, which is going away.
Its decoder now lives here as crates/sylpheed-ppc, so the generator must be
repointed before it is run again. Recorded in the README rather than left for
someone to discover; the manual's content is checked in and regenerates from
nothing implicitly.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

2026-09-13 21:18:00 +02:00

2.7 KiB

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Floating-Point

IEEE-754 add/sub/mul/div/sqrt, fused multiply-add, conversions, compares, FPSCR moves.

33 families · 33 XML entries.

Family	Form	Description	Members
`fabsx`	`X`	Floating Absolute Value	`fabsx`
`faddsx`	`A`	Floating Add Single	`faddsx`
`faddx`	`A`	Floating Add	`faddx`
`fcfidx`	`X`	Floating Convert From Integer Doubleword	`fcfidx`
`fcmpo`	`X`	Floating Compare Ordered	`fcmpo`
`fcmpu`	`X`	Floating Compare Unordered	`fcmpu`
`fctidx`	`X`	Floating Convert to Integer Doubleword	`fctidx`
`fctidzx`	`X`	Floating Convert to Integer Doubleword with Round Toward Zero	`fctidzx`
`fctiwx`	`X`	Floating Convert to Integer Word	`fctiwx`
`fctiwzx`	`X`	Floating Convert to Integer Word with Round Toward Zero	`fctiwzx`
`fdivsx`	`A`	Floating Divide Single	`fdivsx`
`fdivx`	`A`	Floating Divide	`fdivx`
`fmaddsx`	`A`	Floating Multiply-Add Single	`fmaddsx`
`fmaddx`	`A`	Floating Multiply-Add	`fmaddx`
`fmrx`	`X`	Floating Move Register	`fmrx`
`fmsubsx`	`A`	Floating Multiply-Subtract Single	`fmsubsx`
`fmsubx`	`A`	Floating Multiply-Subtract	`fmsubx`
`fmulsx`	`A`	Floating Multiply Single	`fmulsx`
`fmulx`	`A`	Floating Multiply	`fmulx`
`fnabsx`	`X`	Floating Negative Absolute Value	`fnabsx`
`fnegx`	`X`	Floating Negate	`fnegx`
`fnmaddsx`	`A`	Floating Negative Multiply-Add Single	`fnmaddsx`
`fnmaddx`	`A`	Floating Negative Multiply-Add	`fnmaddx`
`fnmsubsx`	`A`	Floating Negative Multiply-Subtract Single	`fnmsubsx`
`fnmsubx`	`A`	Floating Negative Multiply-Subtract	`fnmsubx`
`fresx`	`A`	Floating Reciprocal Estimate Single	`fresx`
`frspx`	`X`	Floating Round to Single	`frspx`
`frsqrtex`	`A`	Floating Reciprocal Square Root Estimate	`frsqrtex`
`fselx`	`A`	Floating Select	`fselx`
`fsqrtsx`	`A`	Floating Square Root Single	`fsqrtsx`
`fsqrtx`	`A`	Floating Square Root	`fsqrtx`
`fsubsx`	`A`	Floating Subtract Single	`fsubsx`
`fsubx`	`A`	Floating Subtract	`fsubx`

2.7 KiB Raw Blame History

Floating-Point

2.7 KiB

Raw Blame History