Ping.
On 11/1/18 10:46 PM, Richard Henderson wrote:
> From: Richard Henderson <r...@twiddle.net>
>
> Changes since v2:
> * Committed half of the patch set.
> * Split inline TImode support from out-of-line patches.
> * Removed the ST<OP> out-of-line functions, to match inline.
> * Moved the out-of-line functions to assembly.
>
> What I have not done, but is now a possibility, is to use a custom
> calling convention for the out-of-line routines. I now only clobber
> 2 (or 3, for TImode) temp regs and set a return value.
>
>
> r~
>
>
> Richard Henderson (6):
> aarch64: Extend %R for integer registers
> aarch64: Implement TImode compare-and-swap
> aarch64: Tidy aarch64_split_compare_and_swap
> aarch64: Add out-of-line functions for LSE atomics
> aarch64: Implement -matomic-ool
> Enable -matomic-ool by default
>
> gcc/config/aarch64/aarch64-protos.h | 13 +
> gcc/common/config/aarch64/aarch64-common.c | 6 +-
> gcc/config/aarch64/aarch64.c | 211 ++++++++++++----
> .../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.target/aarch64/atomic-op-char.c | 2 +-
> .../gcc.target/aarch64/atomic-op-consume.c | 2 +-
> .../gcc.target/aarch64/atomic-op-imm.c | 2 +-
> .../gcc.target/aarch64/atomic-op-int.c | 2 +-
> .../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.target/aarch64/atomic-op-short.c | 2 +-
> .../aarch64/atomic_cmp_exchange_zero_reg_1.c | 2 +-
> .../atomic_cmp_exchange_zero_strong_1.c | 2 +-
> .../gcc.target/aarch64/sync-comp-swap.c | 2 +-
> .../gcc.target/aarch64/sync-op-acquire.c | 2 +-
> .../gcc.target/aarch64/sync-op-full.c | 2 +-
> libgcc/config/aarch64/lse-init.c | 45 ++++
> gcc/config/aarch64/aarch64.opt | 4 +
> gcc/config/aarch64/atomics.md | 185 +++++++++++++-
> gcc/config/aarch64/iterators.md | 3 +
> gcc/doc/invoke.texi | 14 +-
> libgcc/config.host | 4 +
> libgcc/config/aarch64/lse.S | 238 ++++++++++++++++++
> libgcc/config/aarch64/t-lse | 44 ++++
> 28 files changed, 717 insertions(+), 84 deletions(-)
> create mode 100644 libgcc/config/aarch64/lse-init.c
> create mode 100644 libgcc/config/aarch64/lse.S
> create mode 100644 libgcc/config/aarch64/t-lse
>
