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from fb1941d08fc arm: move the switch tables for Arm to the RO data section. new d24c3c53345 ARC: Improved SImode shifts and rotates with -mswap. new 31cc9824d1c ARC: Improved ARC rtx_costs/insn_cost for SHIFTs and ROTATEs.
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Summary of changes: gcc/config/arc/arc.cc | 137 ++++++++++++++++++++++++--------- gcc/config/arc/arc.h | 15 ++-- gcc/config/arc/arc.md | 43 ++++++++--- gcc/testsuite/gcc.target/arc/lsl16-1.c | 10 +++ gcc/testsuite/gcc.target/arc/lsr16-1.c | 10 +++ gcc/testsuite/gcc.target/arc/swap-1.c | 9 +++ gcc/testsuite/gcc.target/arc/swap-2.c | 11 +++ 7 files changed, 181 insertions(+), 54 deletions(-) create mode 100644 gcc/testsuite/gcc.target/arc/lsl16-1.c create mode 100644 gcc/testsuite/gcc.target/arc/lsr16-1.c create mode 100644 gcc/testsuite/gcc.target/arc/swap-1.c create mode 100644 gcc/testsuite/gcc.target/arc/swap-2.c