libosmocore.git branch master updated. 0.10.2-12-gb93f60f7

gitosis at osmocom.org gitosis at osmocom.org
Fri Nov 17 10:58:52 UTC 2017


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http://cgit.osmocom.org/libosmocore/commit/?id=b93f60f7cd4bebbe6c26a456ea0b394fcafc731f

commit b93f60f7cd4bebbe6c26a456ea0b394fcafc731f
Author: Harald Welte <laforge at gnumonks.org>
Date:   Fri Nov 17 11:41:34 2017 +0100

    conv_acc: Our code requires SSSE3, not just SSE3
    
    The accelerated convolutional decoder uses SSSE3 instructions such
    as PSIGNW (via _mm_sign_epi16) which go beyond what SSE3 offers.  So
    let's make sure we use the right compiler flag (-mssse3) and also the
    right runtime check.
    
    Without this patch, we would use illegal instructions e.g. on Opteron
    Gen3 such as Opteron 2427, which are also used as build.opensuse.org
    build hosts (build31 through build36) where we wouldn't pass "make
    check" as a result.
    
    Change-Id: I2754164384109f2821fd98ffb48f625893f2923d
    Fixes: OS#2386

-----------------------------------------------------------------------

Summary of changes:
 configure.ac           |  2 +-
 m4/ax_check_simd.m4    | 18 +++++++++---------
 src/Makefile.am        | 10 +++++-----
 src/conv_acc.c         | 24 ++++++++++++------------
 src/conv_acc_sse.c     |  2 +-
 src/conv_acc_sse_avx.c |  2 +-
 6 files changed, 29 insertions(+), 29 deletions(-)


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