Searched hist:ad4711f962e08eff8d6e9b03f9670b1af6ea9395 (Results 1 – 3 of 3) sorted by relevance
| /linux/arch/arm64/kernel/ |
| H A D | entry-fpsimd.S | diff ad4711f962e08eff8d6e9b03f9670b1af6ea9395 Wed May 12 17:11:31 CEST 2021 Mark Brown <broonie@kernel.org> arm64/sve: Skip flushing Z registers with 128 bit vectors
When the SVE vector length is 128 bits then there are no bits in the Z
registers which are not shared with the V registers so we can skip them
when zeroing state not shared with FPSIMD, this results in a minor
performance improvement.
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/20210512151131.27877-4-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
|
| H A D | fpsimd.c | diff ad4711f962e08eff8d6e9b03f9670b1af6ea9395 Wed May 12 17:11:31 CEST 2021 Mark Brown <broonie@kernel.org> arm64/sve: Skip flushing Z registers with 128 bit vectors
When the SVE vector length is 128 bits then there are no bits in the Z
registers which are not shared with the V registers so we can skip them
when zeroing state not shared with FPSIMD, this results in a minor
performance improvement.
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/20210512151131.27877-4-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
|
| /linux/arch/arm64/include/asm/ |
| H A D | fpsimd.h | diff ad4711f962e08eff8d6e9b03f9670b1af6ea9395 Wed May 12 17:11:31 CEST 2021 Mark Brown <broonie@kernel.org> arm64/sve: Skip flushing Z registers with 128 bit vectors
When the SVE vector length is 128 bits then there are no bits in the Z
registers which are not shared with the V registers so we can skip them
when zeroing state not shared with FPSIMD, this results in a minor
performance improvement.
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/20210512151131.27877-4-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
|