On Wed, May 7, 2025 at 6:18 PM Richard Earnshaw <rearn...@arm.com> wrote:
>
>
> The header file for the Arm implementation of mmintrin.h was changed in GCC-15
> to disable access to the intrinsics. This patch removes the internal code
> as well.
>
> We still allow -mcpu/-march options for the wmmx cpus, but they are now
> treated
> in exactly the same way as XScale - generating code for an Armv5te
> architecture.
I'll review with the docs but I'd prefer to make this change of
behaviour explicit in our documentation.
>
> Richard Earnshaw (13):
> arm: clarify the logic of SECONDARY_(INPUT/OUTPUT)_RELOAD_CLASS
> arm: testsuite: remove iwmmxt tests
> arm: treat -mcpu/arch=iwmmxt{,2} like XScale
> arm: remove iWMMX builtins support.
> arm: Remove iwmmxt patterns.
> arm: remove IWMMXT checks from MD files.
> arm: remove support for the iwmmxt ABI variant.
> arm: Remove iwmmxt support from arm.cc
> arm: remove iwmmxt-related attributes from machine description
> arm: cleanup iterators.md after removing iwmmxt
> arm: remove dead predefines when using WMMX
> arm: remove most remaining iwmmxt code.
> arm: remove iwmmxt registers from allocator tables
>
> gcc/config.gcc | 2 +-
> gcc/config/arm/aout.h | 5 -
> gcc/config/arm/arm-builtins.cc | 1276 +----------------
> gcc/config/arm/arm-c.cc | 7 -
> gcc/config/arm/arm-cpus.in | 28 +-
> gcc/config/arm/arm-generic.md | 4 +-
> gcc/config/arm/arm-opts.h | 1 -
> gcc/config/arm/arm-protos.h | 8 -
> gcc/config/arm/arm-tables.opt | 6 -
> gcc/config/arm/arm-tune.md | 53 +-
> gcc/config/arm/arm.cc | 401 +-----
> gcc/config/arm/arm.h | 169 +--
> gcc/config/arm/arm.md | 43 +-
> gcc/config/arm/arm.opt | 3 -
> gcc/config/arm/constraints.md | 18 +-
> gcc/config/arm/iterators.md | 20 +-
> gcc/config/arm/iwmmxt.md | 1766 ------------------------
> gcc/config/arm/iwmmxt2.md | 903 ------------
> gcc/config/arm/marvell-f-iwmmxt.md | 189 ---
> gcc/config/arm/predicates.md | 8 +-
> gcc/config/arm/t-arm | 3 -
> gcc/config/arm/thumb2.md | 2 +-
> gcc/config/arm/types.md | 123 --
> gcc/config/arm/unspecs.md | 29 -
> gcc/config/arm/vec-common.md | 31 +-
> gcc/doc/invoke.texi | 2 +-
> gcc/doc/sourcebuild.texi | 4 -
> gcc/testsuite/gcc.target/arm/ivopts.c | 3 +-
> gcc/testsuite/gcc.target/arm/mmx-1.c | 26 -
> gcc/testsuite/gcc.target/arm/mmx-2.c | 166 ---
> gcc/testsuite/gcc.target/arm/pr64208.c | 25 -
> gcc/testsuite/gcc.target/arm/pr79145.c | 16 -
> gcc/testsuite/gcc.target/arm/pr99724.c | 31 -
> gcc/testsuite/gcc.target/arm/pr99786.c | 30 -
> gcc/testsuite/lib/target-supports.exp | 13 -
> 35 files changed, 141 insertions(+), 5273 deletions(-)
> delete mode 100644 gcc/config/arm/iwmmxt.md
> delete mode 100644 gcc/config/arm/iwmmxt2.md
> delete mode 100644 gcc/config/arm/marvell-f-iwmmxt.md
> delete mode 100644 gcc/testsuite/gcc.target/arm/mmx-1.c
> delete mode 100644 gcc/testsuite/gcc.target/arm/mmx-2.c
> delete mode 100644 gcc/testsuite/gcc.target/arm/pr64208.c
> delete mode 100644 gcc/testsuite/gcc.target/arm/pr79145.c
> delete mode 100644 gcc/testsuite/gcc.target/arm/pr99724.c
> delete mode 100644 gcc/testsuite/gcc.target/arm/pr99786.c
>
> --
> 2.43.0
>
