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from c23b675c6e9 Use post-dom info to update if/switch predicate new dd66cece107 aarch64: Extend %R for integer registers new 3f313701cf2 aarch64: Implement TImode compare-and-swap new f502e4bcdd5 aarch64: Tidy aarch64_split_compare_and_swap new 4b8864d112e aarch64: Add out-of-line functions for LSE atomics new 2bbb5fbd194 aarch64: Implement -moutline-atomics

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Summary of changes: gcc/ChangeLog | 34 +++ gcc/config/aarch64/aarch64-protos.h | 13 ++ gcc/config/aarch64/aarch64.c | 198 ++++++++++++----- gcc/config/aarch64/aarch64.opt | 3 + gcc/config/aarch64/atomics.md | 187 ++++++++++++++-- gcc/config/aarch64/iterators.md | 3 + gcc/doc/invoke.texi | 16 +- gcc/testsuite/ChangeLog | 21 +- .../aarch64/atomic-comp-swap-release-acquire.c | 2 +- .../gcc.target/aarch64/atomic-op-acq_rel.c | 2 +- .../gcc.target/aarch64/atomic-op-acquire.c | 2 +- gcc/testsuite/gcc.target/aarch64/atomic-op-char.c | 2 +- .../gcc.target/aarch64/atomic-op-consume.c | 2 +- gcc/testsuite/gcc.target/aarch64/atomic-op-imm.c | 2 +- gcc/testsuite/gcc.target/aarch64/atomic-op-int.c | 2 +- gcc/testsuite/gcc.target/aarch64/atomic-op-long.c | 2 +- .../gcc.target/aarch64/atomic-op-relaxed.c | 2 +- .../gcc.target/aarch64/atomic-op-release.c | 2 +- .../gcc.target/aarch64/atomic-op-seq_cst.c | 2 +- gcc/testsuite/gcc.target/aarch64/atomic-op-short.c | 2 +- .../aarch64/atomic_cmp_exchange_zero_reg_1.c | 2 +- .../aarch64/atomic_cmp_exchange_zero_strong_1.c | 2 +- gcc/testsuite/gcc.target/aarch64/sync-comp-swap.c | 2 +- gcc/testsuite/gcc.target/aarch64/sync-op-acquire.c | 2 +- gcc/testsuite/gcc.target/aarch64/sync-op-full.c | 2 +- libgcc/ChangeLog | 7 + libgcc/config.host | 4 + .../drtstuff.c => libgcc/config/aarch64/lse-init.c | 32 +-- libgcc/config/aarch64/lse.S | 235 +++++++++++++++++++++ libgcc/config/aarch64/t-lse | 44 ++++ 30 files changed, 736 insertions(+), 95 deletions(-) copy libphobos/libdruntime/gcc/drtstuff.c => libgcc/config/aarch64/lse-init.c (57%) create mode 100644 libgcc/config/aarch64/lse.S create mode 100644 libgcc/config/aarch64/t-lse