[Qemu-ppc] [PATCH v5 0/5] POWER9 TCG enablement - part3

[Rajalakshmi Srinivasaraghavan]

This series contains 14 new instructions for POWER9 described in ISA3.0.

Patches:
        01: Adds vector insert instructions.
            vinsertb - Vector Insert Byte
            vinserth - Vector Insert Halfword
            vinsertw - Vector Insert Word
            vinsertd - Vector Insert Doubleword
        02: Adds vector extract instructions.
            vextractub - Vector Extract Unsigned Byte
            vextractuh - Vector Extract Unsigned Halfword
            vextractuw - Vector Extract Unsigned Word
            vextractd - Vector Extract Unsigned Doubleword
        03: Adds vector count trailing zeros instructions.
            vctzb - Vector Count Trailing Zeros Byte
            vctzh - Vector Count Trailing Zeros Halfword
            vctzw - Vector Count Trailing Zeros Word
            vctzd - Vector Count Trailing Zeros Doubleword
        04: Adds vbpermd-vector bit permute doubleword instruction.
        05: Adds vpermr-vector permute right indexed instruction.

Changelog:
v0:
* Rename GEN_VXFORM_300_EXT1 to GEN_VXFORM_300_EO.
* Rename GEN_VXFORM_DUAL1 to GEN_VXFORM_DUAL_INV.
* Remove undef GEN_VXFORM_DUAL1.

v1:
* Correct SPLAT and handle src = dest for vinsert and vextract.
* Correct typecast for vctz.
* Computation of index rearranged for vpermr.
* Assignment of perm moved out of inner loop in vbpermd.

v2:
* Check splat in transate code for vinsert and vextract.
* Use memcpy for vinsert and vextract.
* Handle src = dest for vbpermd.

v3:
* vinsert - Use memmove, Rename splat and use index with reference to u8.
* vextract - Use memmove, Rename splat and use index with reference to u8.
* vbpermd - Remove variable perm and use EXTRACT_BIT.

v4:
* vextract - Assign result register to zero.

 target-ppc/helper.h                 |   14 +++++
 target-ppc/int_helper.c             |  100 +++++++++++++++++++++++++++++++++++
 target-ppc/translate.c              |    2 +
 target-ppc/translate/vmx-impl.inc.c |   80 ++++++++++++++++++++++++++++
 target-ppc/translate/vmx-ops.inc.c  |   38 ++++++++++---
 5 files changed, 226 insertions(+), 8 deletions(-)