mbox

[0/4] Update mtune=tremont

Message ID 20210915080951.10362-1-lili.cui@intel.com
Headers

Message

Li, Pan2 via Gcc-patches Sept. 15, 2021, 8:09 a.m. UTC 
  From: "Cui,Lili" <lili.cui@intel.com>

Hi,

I have four patches for tremont tuning, With all patches applied,
performance impacts on SPEC CPU 2017 are:

    500.perlbench_r         1.81%
    502.gcc_r               0.57%
    505.mcf_r               1.16%
    520.omnetpp_r           0.00%
    523.xalancbmk_r         0.00%
    525.x264_r              4.55%
    531.deepsjeng_r         0.00%
    541.leela_r             0.39%
    548.exchange2_r         1.13%
    557.xz_r                0.00%
    geomean for intrate     0.95%
    503.bwaves_r            0.00%
    507.cactuBSSN_r         6.94%
    508.namd_r              12.37%
    510.parest_r            1.01%
    511.povray_r            3.70%
    519.lbm_r               36.61%
    521.wrf_r               8.79%
    526.blender_r           2.91%
    527.cam4_r              6.23%
    538.imagick_r           0.28%
    544.nab_r               21.99%
    549.fotonik3d_r         3.63%
    554.roms_r              -1.20%
    geomean for fprate      7.50%
	
Bootstrapped and regtested on x86_64-linux-gnu{-m32,-m64}.
Ok for master?

  x86: Update -mtune=tremont
  x86: Update memcpy/memset inline strategies for -mtune=tremont
  x86: Properly handle USE_VECTOR_FP_CONVERTS/USE_VECTOR_CONVERTS
  x86: Add TARGET_SSE_PARTIAL_REG_[FP_]CONVERTS_DEPENDENCY

 gcc/common/config/i386/i386-common.c          |   2 +-
 gcc/config/i386/i386-features.c               |  23 +++-
 gcc/config/i386/i386-options.c                |   2 +-
 gcc/config/i386/i386.c                        |   1 +
 gcc/config/i386/i386.h                        |   4 +
 gcc/config/i386/i386.md                       |   9 +-
 gcc/config/i386/x86-tune-costs.h              | 124 ++++++++++++++++++
 gcc/config/i386/x86-tune-sched.c              |   2 +
 gcc/config/i386/x86-tune.def                  |  52 +++++---
 gcc/testsuite/gcc.target/i386/avx-covert-1.c  |  19 +++
 .../gcc.target/i386/avx-fp-covert-1.c         |  15 +++
 .../gcc.target/i386/avx-int-covert-1.c        |  14 ++
 gcc/testsuite/gcc.target/i386/pr101900-1.c    |  18 +++
 gcc/testsuite/gcc.target/i386/pr101900-2.c    |  18 +++
 gcc/testsuite/gcc.target/i386/pr101900-3.c    |  19 +++
 gcc/testsuite/gcc.target/i386/sse-covert-1.c  |  19 +++
 .../gcc.target/i386/sse-fp-covert-1.c         |  15 +++
 .../gcc.target/i386/sse-int-covert-1.c        |  14 ++
 18 files changed, 344 insertions(+), 26 deletions(-)
 create mode 100644 gcc/testsuite/gcc.target/i386/avx-covert-1.c
 create mode 100644 gcc/testsuite/gcc.target/i386/avx-fp-covert-1.c
 create mode 100644 gcc/testsuite/gcc.target/i386/avx-int-covert-1.c
 create mode 100644 gcc/testsuite/gcc.target/i386/pr101900-1.c
 create mode 100644 gcc/testsuite/gcc.target/i386/pr101900-2.c
 create mode 100644 gcc/testsuite/gcc.target/i386/pr101900-3.c
 create mode 100644 gcc/testsuite/gcc.target/i386/sse-covert-1.c
 create mode 100644 gcc/testsuite/gcc.target/i386/sse-fp-covert-1.c
 create mode 100644 gcc/testsuite/gcc.target/i386/sse-int-covert-1.c