On Thu, 7 Mar 2019 13:15:07 +0100 David Hildenbrand <da...@redhat.com> wrote:
> This is the first part of vector instruction support for s390x. Parts > will be sent and reviewed piece by piece. > > Part 1: Vector Support Instructions > Part 2: Vector Integer Instructions > Part 3: Vector String Instructions > Part 4: Vector Floating-Point Instructions > > The current state can be found at (kept updated): > https://github.com/davidhildenbrand/qemu/tree/vx > It is based on > https://github.com/cohuck/qemu/tree/s390-next > > With the current state I can boot Linux kernel + user space compiled with > SIMD support. This allows to boot distributions compiled exclusively for > z13, requiring SIMD support. Also, I have a growing set of tests for > kvm-unit-tests and tests/tcg which I cross-test on a real s390x system. > > In this part, the basic infrastructure and all Vector Support Instructions > introduced with the "Vector Facility" are added. The Vector Extension > Facilities are not considered for now. > > We make use of the existing gvec expansion + ool (out-of-line) support. > This will be heavily used especially for part 2 (Integer Instructions) > where we can actually reuse quite some existing gvec expansions. > > v2 -> v3: > - "s390x/tcg: Utilities for vector instruction helpers" > -- inline helpers in header file > - "s390x/tcg: Implement VECTOR LOAD MULTIPLE" > -- optimize loading of last element > - "s390x/tcg: Implement VECTOR PACK *" > -- make the static funtion arrays const > - "s390x/tcg: Implement VECTOR REPLICATE" > -- use "tcg_gen_gvec_dup_mem" > - "s390x/tcg: Provide probe_write helper" > -- Add check for CONFIG_USER_ONLY > -- Optimize calculation of length > - Added r-b's > > v1 -> v2: > - Basically address all wonderful review comments from Richard (too many > to name them all) > - Probe write access to get rid of FIXMEs > - Heavily rework "s390x/tcg: Implement VECTOR PACK *" > -- Process cc and !cc separately. > -- Helper for VPK > - Don't use a temporary vector register (for now) > - Drop load_vec_element() and store_vec_element() > - Use ES_* instead of MO_*, will come in handy when we use ES_128 later > - .... many many other minor things > > David Hildenbrand (32): > s390x/tcg: Define vector instruction formats > s390x/tcg: Check vector register instructions at central point > s390x/tcg: Utilities for vector instruction helpers > s390x/tcg: Implement VECTOR GATHER ELEMENT > s390x/tcg: Implement VECTOR GENERATE BYTE MASK > s390x/tcg: Implement VECTOR GENERATE MASK > s390x/tcg: Implement VECTOR LOAD > s390x/tcg: Implement VECTOR LOAD AND REPLICATE > s390x/tcg: Implement VECTOR LOAD ELEMENT > s390x/tcg: Implement VECTOR LOAD ELEMENT IMMEDIATE > s390x/tcg: Implement VECTOR LOAD GR FROM VR ELEMENT > s390x/tcg: Implement VECTOR LOAD LOGICAL ELEMENT AND ZERO > s390x/tcg: Implement VECTOR LOAD MULTIPLE > s390x/tcg: Implement VECTOR LOAD TO BLOCK BOUNDARY > s390x/tcg: Implement VECTOR LOAD VR ELEMENT FROM GR > s390x/tcg: Implement VECTOR LOAD VR FROM GRS DISJOINT > s390x/tcg: Implement VECTOR LOAD WITH LENGTH > s390x/tcg: Implement VECTOR MERGE (HIGH|LOW) > s390x/tcg: Implement VECTOR PACK * > s390x/tcg: Implement VECTOR PERMUTE > s390x/tcg: Implement VECTOR PERMUTE DOUBLEWORD IMMEDIATE > s390x/tcg: Implement VECTOR REPLICATE > s390x/tcg: Implement VECTOR REPLICATE IMMEDIATE > s390x/tcg: Implement VECTOR SCATTER ELEMENT > s390x/tcg: Implement VECTOR SELECT > s390x/tcg: Implement VECTOR SIGN EXTEND TO DOUBLEWORD > s390x/tcg: Provide probe_write_access helper > s390x/tcg: Implement VECTOR STORE > s390x/tcg: Implement VECTOR STORE ELEMENT > s390x/tcg: Implement VECTOR STORE MULTIPLE > s390x/tcg: Implement VECTOR STORE WITH LENGTH > s390x/tcg: Implement VECTOR UNPACK * > > target/s390x/Makefile.objs | 1 + > target/s390x/cpu.h | 7 + > target/s390x/helper.h | 21 + > target/s390x/insn-data.def | 82 +++ > target/s390x/insn-format.def | 25 + > target/s390x/internal.h | 2 + > target/s390x/mem_helper.c | 25 + > target/s390x/translate.c | 61 ++- > target/s390x/translate_vx.inc.c | 935 ++++++++++++++++++++++++++++++++ > target/s390x/vec.h | 101 ++++ > target/s390x/vec_helper.c | 193 +++++++ > 11 files changed, 1452 insertions(+), 1 deletion(-) > create mode 100644 target/s390x/translate_vx.inc.c > create mode 100644 target/s390x/vec.h > create mode 100644 target/s390x/vec_helper.c > Thanks, applied.
