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unknown user pushed a change to branch releases/gcc-11 in repository gcc.

from c9e9681a344 Daily bump. new e9238dac584 Update znver4 costs new 23ff2104f09 Enable AMD znver4 support and add instruction reservations new 45c1116dd51 Remove znver4 instruction reservations new 542358e0b32 Add AMD znver4 instruction reservations new e86612237e9 Zen4 tuning part 2 new 65623a9f4be FIx handling of X86_TUNE_AVOID_512FMA_CHAINS

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Summary of changes: gcc/common/config/i386/cpuinfo.h | 16 +- gcc/common/config/i386/i386-common.c | 35 +- gcc/common/config/i386/i386-cpuinfo.h | 1 + gcc/config.gcc | 10 +- gcc/config/i386/driver-i386.c | 5 + gcc/config/i386/i386-c.c | 7 + gcc/config/i386/i386-expand.c | 2 + gcc/config/i386/i386-options.c | 10 +- gcc/config/i386/i386.c | 13 +- gcc/config/i386/i386.h | 18 + gcc/config/i386/i386.md | 5 +- gcc/config/i386/x86-tune-costs.h | 134 ++++ gcc/config/i386/x86-tune-sched.c | 2 + gcc/config/i386/x86-tune.def | 12 +- gcc/config/i386/{znver1.md => znver.md} | 0 gcc/config/i386/znver4.md | 1068 +++++++++++++++++++++++++ gcc/doc/extend.texi | 4 + gcc/doc/invoke.texi | 9 + gcc/testsuite/g++.target/i386/mv29.C | 5 + gcc/testsuite/gcc.target/i386/funcspec-56.inc | 2 + 20 files changed, 1318 insertions(+), 40 deletions(-) rename gcc/config/i386/{znver1.md => znver.md} (100%) create mode 100644 gcc/config/i386/znver4.md