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from 3bdd3e45955 c++: ICE with <=> fallback [PR100367] new 4ffe506d025 rs6000: Add -mrop-protect and -mprivileged flags new 7db55888473 rs6000: Emit ROP-mitigation instructions in prologue and epilogue new 426241cd9ea rs6000: Conditionally define __ROP_PROTECT__ new 11bdfd3ab1c rs6000: Add ROP tests

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Summary of changes: gcc/config/rs6000/rs6000-c.c | 3 ++ gcc/config/rs6000/rs6000-internal.h | 2 + gcc/config/rs6000/rs6000-logue.c | 74 +++++++++++++++++++++++++++++--- gcc/config/rs6000/rs6000.c | 4 ++ gcc/config/rs6000/rs6000.md | 31 +++++++++++++ gcc/config/rs6000/rs6000.opt | 8 ++++ gcc/doc/invoke.texi | 20 ++++++++- gcc/testsuite/gcc.target/powerpc/rop-1.c | 17 ++++++++ gcc/testsuite/gcc.target/powerpc/rop-2.c | 17 ++++++++ gcc/testsuite/gcc.target/powerpc/rop-3.c | 18 ++++++++ gcc/testsuite/gcc.target/powerpc/rop-4.c | 15 +++++++ gcc/testsuite/gcc.target/powerpc/rop-5.c | 13 ++++++ 12 files changed, 213 insertions(+), 9 deletions(-) create mode 100644 gcc/testsuite/gcc.target/powerpc/rop-1.c create mode 100644 gcc/testsuite/gcc.target/powerpc/rop-2.c create mode 100644 gcc/testsuite/gcc.target/powerpc/rop-3.c create mode 100644 gcc/testsuite/gcc.target/powerpc/rop-4.c create mode 100644 gcc/testsuite/gcc.target/powerpc/rop-5.c