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from 18e905b461a tree-optimization/116879 - failure to recognize non-empty latch new 2f68d69e47b optabs: Make all `*dot_prod_optab's modeled as conversions new c7fba0e9664 autovectorizer: Add basic support for convert optabs new 0d0be1d10db aarch64: Fix aarch64 backend-use of (u|s|us)dot_prod patterns new bfa44e604d6 arm: Fix arm backend-use of (u|s|us)dot_prod patterns new c45ef5ee8da i386: Fix dot_prod backend patterns for mmx and sse targets new 85a2ed05483 arc: Adjust dot-product backend patterns new d33786b1628 mips: Adjust dot-product backend patterns new 113e31cc324 rs6000: Adjust altivec dot-product backend patterns new fd35d999140 c6x: Adjust dot-product backend patterns new 8398ef96cc5 autovectorizer: Test autovectorization of different dot-pro [...]

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Summary of changes: gcc/config/aarch64/aarch64-builtins.cc | 13 +++++ gcc/config/aarch64/aarch64-simd-builtins.def | 6 +- gcc/config/aarch64/aarch64-simd.md | 10 ++-- gcc/config/aarch64/aarch64-sve-builtins-base.cc | 13 +++-- gcc/config/aarch64/aarch64-sve-builtins.cc | 15 +++++ gcc/config/aarch64/aarch64-sve-builtins.h | 2 + gcc/config/aarch64/aarch64-sve.md | 7 ++- gcc/config/aarch64/aarch64-sve2.md | 2 +- gcc/config/arc/simdext.md | 8 +-- gcc/config/arm/arm-builtins.cc | 7 +++ gcc/config/arm/neon.md | 8 +-- gcc/config/c6x/c6x.md | 2 +- gcc/config/i386/mmx.md | 30 +++++----- gcc/config/i386/sse.md | 41 +++++++------- gcc/config/mips/loongson-mmi.md | 2 +- gcc/config/rs6000/altivec.md | 4 +- gcc/doc/md.texi | 46 ++++++++------- gcc/gimple-match-exports.cc | 23 ++++++++ gcc/gimple-match.h | 2 + gcc/optabs.cc | 3 +- gcc/optabs.def | 6 +- .../gcc.dg/vect/vect-dotprod-conv-optab.c | 41 ++++++++++++++ .../gcc.target/aarch64/sme/vect-dotprod-twoway.c | 26 +++++++++ .../gcc.target/aarch64/vect-dotprod-twoway-hisi.c | 66 ++++++++++++++++++++++ gcc/testsuite/lib/target-supports.exp | 9 +++ gcc/tree-vect-loop.cc | 1 + gcc/tree-vect-patterns.cc | 33 ++++++++++- 27 files changed, 333 insertions(+), 93 deletions(-) create mode 100644 gcc/testsuite/gcc.dg/vect/vect-dotprod-conv-optab.c create mode 100644 gcc/testsuite/gcc.target/aarch64/sme/vect-dotprod-twoway.c create mode 100644 gcc/testsuite/gcc.target/aarch64/vect-dotprod-twoway-hisi.c