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from 7423f5b56ad xtensa: Fix up fatal_error message strings in xtensa-dyncon [...] new 33e4559305e xtensa: Eliminate the use of callee-saved register that sav [...] new f83e76c3f99 xtensa: Eliminate unnecessary general-purpose reg-reg moves

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Summary of changes: gcc/config/xtensa/xtensa.cc | 132 +++++++++++++++++---- gcc/config/xtensa/xtensa.md | 46 +++++++ .../gcc.target/xtensa/elim_GP_regmove_0.c | 23 ++++ .../gcc.target/xtensa/elim_GP_regmove_1.c | 10 ++ .../gcc.target/xtensa/elim_callee_saved.c | 38 ++++++ 5 files changed, 224 insertions(+), 25 deletions(-) create mode 100644 gcc/testsuite/gcc.target/xtensa/elim_GP_regmove_0.c create mode 100644 gcc/testsuite/gcc.target/xtensa/elim_GP_regmove_1.c create mode 100644 gcc/testsuite/gcc.target/xtensa/elim_callee_saved.c