arm64/sve: Split _sve_flush macro into separate Z and predicate flushes
Trivial refactoring to support further work, no change to generated code. Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Dave Martin <Dave.Martin@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Link: https://lore.kernel.org/r/20210512151131.27877-2-broonie@kernel.org Signed-off-by: Will Deacon <will@kernel.org>
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@ -213,8 +213,10 @@
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mov v\nz\().16b, v\nz\().16b
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.endm
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.macro sve_flush
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.macro sve_flush_z
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_for n, 0, 31, _sve_flush_z \n
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.endm
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.macro sve_flush_p_ffr
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_for n, 0, 15, _sve_pfalse \n
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_sve_wrffr 0
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.endm
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@ -72,7 +72,8 @@ SYM_FUNC_END(sve_load_from_fpsimd_state)
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/* Zero all SVE registers but the first 128-bits of each vector */
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SYM_FUNC_START(sve_flush_live)
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sve_flush
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sve_flush_z
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sve_flush_p_ffr
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ret
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SYM_FUNC_END(sve_flush_live)
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