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Re: [Qemu-devel] [PATCH 0/8] tcg optimization improvements


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 0/8] tcg optimization improvements
Date: Sun, 16 Feb 2014 15:15:22 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0

Il 31/01/2014 15:46, Richard Henderson ha scritto:
The first 4 of these are ones that Aurelien posted some time ago,
and I reviewed, but never seemed to get committed.

The second 4 address optimization issues that I noticed with the
BMI instruction set extension, adding ANDC support to x86_64.


r~


Aurelien Jarno (4):
  tcg/optimize: fix known-zero bits for right shift ops
  tcg/optimize: fix known-zero bits optimization
  tcg/optimize: improve known-zero bits for 32-bit ops
  tcg/optimize: add known-zero bits compute for load ops

Richard Henderson (4):
  tcg/optimize: Handle known-zeros masks for ANDC
  tcg/optimize: Simply some logical ops to NOT
  tcg/optimize: Optmize ANDC X,Y,Y to MOV X,0
  tcg/optimize: Add more identity simplifications

 tcg/optimize.c | 163 +++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 142 insertions(+), 21 deletions(-)


Reviewed-by: Paolo Bonzini <address@hidden>



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