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Re: [PATCH v2 05/21] Hexagon (target/hexagon) decide if pred has been wr

From: Richard Henderson
Subject: Re: [PATCH v2 05/21] Hexagon (target/hexagon) decide if pred has been written at TCG gen time
Date: Fri, 2 Apr 2021 10:44:22 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1

On 3/31/21 8:53 PM, Taylor Simpson wrote:
Multiple writes to the same preg are and'ed together.  Rather than
generating a runtime check, we can determine at TCG generation time
if the predicate has previously been written in the packet.

Test added to tests/tcg/hexagon/misc.c

Suggested-by: Richard Henderson<richard.henderson@linaro.org>
Signed-off-by: Taylor Simpson<tsimpson@quicinc.com>
  target/hexagon/gen_tcg_funcs.py |  2 +-
  target/hexagon/genptr.c         | 22 +++++++++++++++-------
  target/hexagon/translate.c      |  9 +++++++--
  target/hexagon/translate.h      |  2 ++
  tests/tcg/hexagon/misc.c        | 19 +++++++++++++++++++
  5 files changed, 44 insertions(+), 10 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


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