14 lines
438 B
Diff
14 lines
438 B
Diff
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--- a/Makefile
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+++ b/Makefile
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@@ -820,6 +820,10 @@ KBUILD_CFLAGS += -Os
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KBUILD_RUSTFLAGS += -Copt-level=s
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endif
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+ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3
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+KBUILD_CFLAGS += $(call cc-option,-fivopts)
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+endif
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+
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# Always set `debug-assertions` and `overflow-checks` because their default
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# depends on `opt-level` and `debug-assertions`, respectively.
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KBUILD_RUSTFLAGS += -Cdebug-assertions=$(if $(CONFIG_RUST_DEBUG_ASSERTIONS),y,n)
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