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This includes a fix for big-endian in AdvSIMD log, some cosmetic
changes, and numerous small optimisations mainly around inlining and
using indexed variants of MLA intrinsics.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Compilers may emit calls to 'half-width' routines (two-lane
single-precision variants). These have been added in the form of
wrappers around the full-width versions, where the low half of the
vector is simply duplicated. This will perform poorly when one lane
triggers the special-case handler, as there will be a redundant call
to the scalar version, however this is expected to be rare at Ofast.
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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Remove the unnecessary extra checks for sin (-0.0) from vector sin/sinf,
improving performance. Passes regress.
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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Optimised implementations for single and double precision, Advanced
SIMD and SVE, copied from Arm Optimized Routines.
As previously, data tables are used via a barrier to prevent
overly aggressive constant inlining. Special-case handlers are
marked NOINLINE to avoid incurring the penalty of switching call
standards unnecessarily.
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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