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Feature to not save/restore float registers #27

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MabezDev opened this issue Dec 6, 2023 · 0 comments · Fixed by #33
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Feature to not save/restore float registers #27

MabezDev opened this issue Dec 6, 2023 · 0 comments · Fixed by #33
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enhancement New feature or request

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@MabezDev
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MabezDev commented Dec 6, 2023

For 99% of applications, you won't use floats in an interrupt handler, but everyone pays the cost of saving and restoring those registers right now. We should make the save/restore of floats opt-in. I imagine this will make a fair bit of difference to esp-wifi's scheduler performance on Xtensa.
@MabezDev MabezDev added the enhancement New feature or request label Dec 6, 2023
@MabezDev MabezDev transferred this issue from esp-rs/xtensa-lx-rt Feb 6, 2024
@MabezDev MabezDev mentioned this issue Feb 6, 2024
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@github-project-automation github-project-automation bot moved this from Todo to Done in esp-rs Feb 8, 2024
@bjoernQ bjoernQ mentioned this issue Feb 9, 2024
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enhancement New feature or request
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Make saving and restoring float registers optional esp-rs/xtensa-lx
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