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from 4152e4ad3f3 Bump gcc/BASE-VER to 12.0.1 now that we are in stage4. new 463d9108766 widening_mul, i386: Improve spaceship expansion on x86 [PR103973]

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Summary of changes: gcc/config/i386/i386-expand.c | 49 ++++++ gcc/config/i386/i386-protos.h | 1 + gcc/config/i386/i386.md | 22 +++ gcc/doc/md.texi | 9 ++ gcc/internal-fn.c | 24 ++- gcc/internal-fn.def | 3 + gcc/internal-fn.h | 1 + gcc/optabs.def | 1 + gcc/testsuite/g++.target/i386/pr103973-1.C | 71 +++++++++ gcc/testsuite/g++.target/i386/pr103973-10.C | 7 + gcc/testsuite/g++.target/i386/pr103973-11.C | 8 + gcc/testsuite/g++.target/i386/pr103973-12.C | 8 + gcc/testsuite/g++.target/i386/pr103973-13.C | 62 ++++++++ gcc/testsuite/g++.target/i386/pr103973-14.C | 7 + gcc/testsuite/g++.target/i386/pr103973-15.C | 8 + gcc/testsuite/g++.target/i386/pr103973-16.C | 8 + gcc/testsuite/g++.target/i386/pr103973-17.C | 8 + gcc/testsuite/g++.target/i386/pr103973-18.C | 8 + gcc/testsuite/g++.target/i386/pr103973-19.C | 8 + gcc/testsuite/g++.target/i386/pr103973-2.C | 7 + gcc/testsuite/g++.target/i386/pr103973-20.C | 8 + gcc/testsuite/g++.target/i386/pr103973-3.C | 8 + gcc/testsuite/g++.target/i386/pr103973-4.C | 8 + gcc/testsuite/g++.target/i386/pr103973-5.C | 66 ++++++++ gcc/testsuite/g++.target/i386/pr103973-6.C | 7 + gcc/testsuite/g++.target/i386/pr103973-7.C | 8 + gcc/testsuite/g++.target/i386/pr103973-8.C | 8 + gcc/testsuite/g++.target/i386/pr103973-9.C | 67 +++++++++ gcc/testsuite/gcc.target/i386/pr103973-1.c | 98 ++++++++++++ gcc/testsuite/gcc.target/i386/pr103973-10.c | 7 + gcc/testsuite/gcc.target/i386/pr103973-11.c | 8 + gcc/testsuite/gcc.target/i386/pr103973-12.c | 8 + gcc/testsuite/gcc.target/i386/pr103973-13.c | 76 ++++++++++ gcc/testsuite/gcc.target/i386/pr103973-14.c | 7 + gcc/testsuite/gcc.target/i386/pr103973-15.c | 8 + gcc/testsuite/gcc.target/i386/pr103973-16.c | 8 + gcc/testsuite/gcc.target/i386/pr103973-17.c | 8 + gcc/testsuite/gcc.target/i386/pr103973-18.c | 8 + gcc/testsuite/gcc.target/i386/pr103973-19.c | 8 + gcc/testsuite/gcc.target/i386/pr103973-2.c | 7 + gcc/testsuite/gcc.target/i386/pr103973-20.c | 8 + gcc/testsuite/gcc.target/i386/pr103973-3.c | 8 + gcc/testsuite/gcc.target/i386/pr103973-4.c | 8 + gcc/testsuite/gcc.target/i386/pr103973-5.c | 85 +++++++++++ gcc/testsuite/gcc.target/i386/pr103973-6.c | 7 + gcc/testsuite/gcc.target/i386/pr103973-7.c | 8 + gcc/testsuite/gcc.target/i386/pr103973-8.c | 8 + gcc/testsuite/gcc.target/i386/pr103973-9.c | 89 +++++++++++ gcc/tree-cfg.c | 25 ++++ gcc/tree-cfg.h | 1 + gcc/tree-ssa-math-opts.c | 223 ++++++++++++++++++++++++++++ gcc/tree-ssa-phiopt.c | 25 ---- 52 files changed, 1220 insertions(+), 26 deletions(-) create mode 100644 gcc/testsuite/g++.target/i386/pr103973-1.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-10.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-11.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-12.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-13.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-14.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-15.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-16.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-17.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-18.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-19.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-2.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-20.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-3.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-4.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-5.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-6.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-7.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-8.C create mode 100644 gcc/testsuite/g++.target/i386/pr103973-9.C create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-1.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-10.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-11.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-12.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-13.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-14.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-15.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-16.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-17.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-18.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-19.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-2.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-20.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-3.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-4.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-5.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-6.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-7.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-8.c create mode 100644 gcc/testsuite/gcc.target/i386/pr103973-9.c