On 31.05.19 12:44, David Hildenbrand wrote: > This is the final part of vector instruction support for s390x. It is based > on part 2, which is will send a pull-request for to Conny soon. > > 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: > - [PATCH v2 0/5] s390x/tcg: Vector Instruction Support Part 3 > - [PATCH v1 0/2] s390x: Fix vector register alignment > > 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, it is now possible to build a complete > kernel using rpmbuild as quite some issues have been sorted out. > > While the current state works fine for me with RHEL 8, I am experiencing > some issues with newer userspace versions (I suspect glibc). I'll have > to look into the details first - could be a BUG in !vector > instruction or a BUG in a vector instruction that was until now unused. > > In this part, all Vector Floating-Point Instructions introduced with the > "Vector Facility" are added. Also, the "qemu" model is changed to a > z13 machine. > > David Hildenbrand (23): > s390x: Use uint64_t for vector registers > s390x/tcg: Introduce tcg_s390_vector_exception() > s390x/tcg: Export float_comp_to_cc() and float(32|64|128)_dcmask() > s390x/tcg: Implement VECTOR FP ADD > s390x/tcg: Implement VECTOR FP COMPARE (AND SIGNAL) SCALAR > s390x/tcg: Implement VECTOR FP COMPARE (EQUAL|HIGH|HIGH OR EQUAL) > s390x/tcg: Implement VECTOR FP CONVERT FROM FIXED 64-BIT > s390x/tcg: Implement VECTOR FP CONVERT FROM LOGICAL 64-BIT > s390x/tcg: Implement VECTOR FP CONVERT TO FIXED 64-BIT > s390x/tcg: Implement VECTOR FP CONVERT TO LOGICAL 64-BIT > s390x/tcg: Implement VECTOR FP DIVIDE > s390x/tcg: Implement VECTOR LOAD FP INTEGER > s390x/tcg: Implement VECTOR LOAD LENGTHENED > s390x/tcg: Implement VECTOR LOAD ROUNDED > s390x/tcg: Implement VECTOR FP MULTIPLY > s390x/tcg: Implement VECTOR FP MULTIPLY AND (ADD|SUBTRACT) > s390x/tcg: Implement VECTOR FP PERFORM SIGN OPERATION > s390x/tcg: Implement VECTOR FP SQUARE ROOT > s390x/tcg: Implement VECTOR FP SUBTRACT > s390x/tcg: Implement VECTOR FP TEST DATA CLASS IMMEDIATE > s390x/tcg: Allow linux-user to use vector instructions > s390x/tcg: We support the Vector Facility > s390x: Bump the "qemu" CPU model up to a stripped-down z13 > > hw/s390x/s390-virtio-ccw.c | 2 + > linux-user/s390x/signal.c | 4 +- > target/s390x/Makefile.objs | 1 + > target/s390x/arch_dump.c | 8 +- > target/s390x/cpu.c | 3 + > target/s390x/cpu.h | 5 +- > target/s390x/cpu_models.c | 4 +- > target/s390x/excp_helper.c | 21 +- > target/s390x/fpu_helper.c | 4 +- > target/s390x/gdbstub.c | 16 +- > target/s390x/gen-features.c | 10 +- > target/s390x/helper.c | 10 +- > target/s390x/helper.h | 46 +++ > target/s390x/insn-data.def | 45 +++ > target/s390x/internal.h | 4 + > target/s390x/kvm.c | 16 +- > target/s390x/machine.c | 128 +++---- > target/s390x/tcg_s390x.h | 2 + > target/s390x/translate.c | 2 +- > target/s390x/translate_vx.inc.c | 274 ++++++++++++++ > target/s390x/vec_fpu_helper.c | 644 ++++++++++++++++++++++++++++++++ > 21 files changed, 1145 insertions(+), 104 deletions(-) > create mode 100644 target/s390x/vec_fpu_helper.c >
Nasty git "-identity" + manual "-cc" collision. CC'ing some more people. -- Thanks, David / dhildenb