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from fddb7f65129 Disable generating load/store vector pairs for block copies. new 9489a1ab05a xtensa: Tweak some widen multiplications new fddf0e1057f xtensa: Consider the Loop Option when setmemsi is expanded [...] new ccd02e734e0 xtensa: Improve instruction cost estimation and suggestion new cd02f15f1ae xtensa: Improve constant synthesis for both integer and flo [...]

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Summary of changes: gcc/config/xtensa/xtensa-protos.h | 1 + gcc/config/xtensa/xtensa.cc | 320 ++++++++++++++++++--- gcc/config/xtensa/xtensa.md | 135 +++++++-- gcc/config/xtensa/xtensa.opt | 4 + .../gcc.target/xtensa/constsynth_2insns.c | 44 +++ .../gcc.target/xtensa/constsynth_3insns.c | 24 ++ .../gcc.target/xtensa/constsynth_double.c | 11 + 7 files changed, 463 insertions(+), 76 deletions(-) create mode 100644 gcc/testsuite/gcc.target/xtensa/constsynth_2insns.c create mode 100644 gcc/testsuite/gcc.target/xtensa/constsynth_3insns.c create mode 100644 gcc/testsuite/gcc.target/xtensa/constsynth_double.c