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from 5a3ddd821e0 IPA ICF: enhance dump about items in a non-singular class. new 33e64c52b9f [ARC] Improve code gen when compiling for size new f7505afe54f [ARC] Update RTX costs.

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Summary of changes: gcc/ChangeLog | 31 +++ gcc/config/arc/arc-protos.h | 4 + gcc/config/arc/arc.c | 287 +++++++++++++++++----- gcc/config/arc/arc.md | 215 +++++++++------- gcc/config/arc/constraints.md | 22 +- gcc/testsuite/ChangeLog | 21 ++ gcc/testsuite/gcc.target/arc/and-cnst-size.c | 16 ++ gcc/testsuite/gcc.target/arc/arc700-stld-hazard.c | 5 +- gcc/testsuite/gcc.target/arc/cmem-1.c | 6 +- gcc/testsuite/gcc.target/arc/cmem-2.c | 6 +- gcc/testsuite/gcc.target/arc/cmem-3.c | 6 +- gcc/testsuite/gcc.target/arc/cmem-4.c | 6 +- gcc/testsuite/gcc.target/arc/cmem-5.c | 6 +- gcc/testsuite/gcc.target/arc/cmem-6.c | 6 +- gcc/testsuite/gcc.target/arc/jumptable.c | 2 +- gcc/testsuite/gcc.target/arc/loop-4.c | 3 +- gcc/testsuite/gcc.target/arc/mov-cnst-size.c | 42 ++++ gcc/testsuite/gcc.target/arc/movh_cl-1.c | 2 +- gcc/testsuite/gcc.target/arc/or-cnst-size.c | 16 ++ gcc/testsuite/gcc.target/arc/sdata-3.c | 20 +- gcc/testsuite/gcc.target/arc/store-merge-1.c | 2 +- 21 files changed, 541 insertions(+), 183 deletions(-) create mode 100644 gcc/testsuite/gcc.target/arc/and-cnst-size.c create mode 100644 gcc/testsuite/gcc.target/arc/mov-cnst-size.c create mode 100644 gcc/testsuite/gcc.target/arc/or-cnst-size.c