target/arm: make use of new gvec expanders

[Qemu-devel] [PATCH 0/2] target/arm: make use of new gvec expanders

Richard Henderson posted 2 patches 6 years, 5 months ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20190518191934.21887-1-richard.henderson@linaro.org

Maintainers: Peter Maydell <peter.maydell@linaro.org>

target/arm/helper.h        |  15 +-
target/arm/translate-a64.h |   2 +
target/arm/translate.h     |   9 +-
target/arm/neon_helper.c   |  33 ----
target/arm/translate-a64.c |  33 ++--
target/arm/translate.c     | 362 ++++++++++++++++++++++++++++---------
target/arm/vec_helper.c    | 176 ++++++++++++++++++
7 files changed, 486 insertions(+), 144 deletions(-)

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[Qemu-devel] [PATCH 0/2] target/arm: make use of new gvec expanders

Posted by Richard Henderson 6 years, 5 months ago

Based-on: <20190518190157.21255-1-richard.henderson@linaro.org>
Aka "tcg: misc gvec improvements".

We've added (or are adding) generic support for variable vector shifts
and bitsel.  This trivially replaces the implementations of BSL, BIT,
and BSL.  It enables a reasonable implementation of {U,S}SHL.


r~


Richard Henderson (2):
  target/arm: Vectorize USHL and SSHL
  target/arm: Use tcg_gen_gvec_bitsel

 target/arm/helper.h        |  15 +-
 target/arm/translate-a64.h |   2 +
 target/arm/translate.h     |   9 +-
 target/arm/neon_helper.c   |  33 ----
 target/arm/translate-a64.c |  33 ++--
 target/arm/translate.c     | 362 ++++++++++++++++++++++++++++---------
 target/arm/vec_helper.c    | 176 ++++++++++++++++++
 7 files changed, 486 insertions(+), 144 deletions(-)

-- 
2.17.1