Re: [Qemu-devel] [PATCH V3 00/19] PowerPC VSX Stage 3

[Tom Musta <tommusta@gmail.com>]

On 11/1/2013 8:35 AM, Tom Musta wrote:
> NOTE: this is a resubmission of the previous (V2) patch series.  There
> was corruption in some of the patches.  The logical content is identical
> to V2.
> 
> This is the third series of patches to add PowerPC VSX emulation support
> to QEMU.
> 
> This series adds the floating point arithmetic, compare, conversion and
> rounding instructions.  Instructions are implemented using helpers and
> wherever practical, existing floating point code such as the softfloat
> library and the existing PowerPC floating point helper code.
> 
> As with the previous series, the Power ISA V2.06 instructions are added
> but the V2.07 instructions are not.  The latter will be implemented in a
> future patch series.
> 
> V2: Implemented changes based on feedback from Richard Henderson and 
> Peter Maydell:
>     - Included float64_to_uint64() patch in this series rather than just
>       cite it as a pre-requesite.
>     - Isolated float32_to_uint64() in its own patch.
>     - Re-implemented helpers and eliminated the need for some of the proposed
>       softfloat routines (float*_is_denormal, float*_get_unbiased_exp).
>     - Re-implemented severy helpers so that corner cases (e.g. invalid
>       operations) are detected by softfloat.
>     - Re-implemented fused multiply-add to use the softfloat muladd routines.
>     - Re-implemented the min/max instructions to used the softfloat
>       min/max functions.
>     - assorted style fixes
> 
> V3: re-submitting due to patch corruption.
> 
> Tom Musta (19):
>   Fix float64_to_uint64
>   Add float32_to_uint64()
>   Add set_fprf Argument to fload_invalid_op_excp()
>   General Support for VSX Helpers
>   Add VSX ISA2.06 xadd/xsub Instructions
>   Add VSX ISA2.06 xmul Instructions
>   Add VSX ISA2.06 xdiv Instructions
>   Add VSX ISA2.06 xre Instructions
>   Add VSX ISA2.06 xsqrt Instructions
>   Add VSX ISA2.06 xrsqrte Instructions
>   Add VSX ISA2.06 xtdiv Instructions
>   Add VSX ISA2.06 xtsqrt Instructions
>   Add VSX ISA2.06 Multiply Add Instructions
>   Add VSX xscmp*dp Instructions
>   Add VSX xmax/xmin Instructions
>   Add VSX Vector Compare Instructions
>   Add VSX Floating Point to Floating Point Conversion Instructions
>   Add VSX ISA2.06 Integer Conversion Instructions
>   Add VSX Rounding Instructions
> 
>  fpu/softfloat.c         |  140 +++++++-
>  include/fpu/softfloat.h |    1 +
>  target-ppc/fpu_helper.c | 1002 ++++++++++++++++++++++++++++++++++++++++++++---
>  target-ppc/helper.h     |  109 +++++
>  target-ppc/translate.c  |  243 ++++++++++++
>  5 files changed, 1439 insertions(+), 56 deletions(-)
> 

Ping.