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Implement support for x87 FIP - #6062

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lioncash merged 3 commits into
FEX-Emu:mainfrom
Sonicadvance1:290
Oct 25, 2026
Merged

lioncash merged 3 commits into
FEX-Emu:mainfrom
Sonicadvance1:290

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@Sonicadvance1

@Sonicadvance1 Sonicadvance1 commented Oct 24, 2026 •

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Hammer all the instructions and readback FIP to ensure it is set correctly.

For #6054

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Sonicadvance1 force-pushed the 290 branch 2 times, most recently from 7d4b506 to 73d91d2 Compare October 24, 2026 03:04
Hammer all the instructions and readback FIP to ensure it is set.
Only enabled with `FEX_JITFEATURES=enablex87fip`. This way most games
don't pay the cost.

For FEX-Emu#6054
@Sonicadvance1 Sonicadvance1 changed the title unittests/ASM: Adds an x87 FIP unittest Implement support for x87 FIP Oct 25, 2026
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Sonicadvance1 marked this pull request as ready for review October 25, 2026 02:20
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Alright, good to go now. FIP is only enabled with a config option.

@lioncash
lioncash merged commit 1c4f04b into FEX-Emu:main Oct 25, 2026
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@Sonicadvance1
Sonicadvance1 deleted the 290 branch October 25, 2026 17:58
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2 participants