Re: [Qemu-devel] [v2 09/13] Add Power7 VSX Logical Instructions

[Paolo Bonzini <pbonzini@redhat.com>]

Il 11/10/2013 14:04, Tom Musta ha scritto:
> This patch adds the VSX logical instructions that are defined
> by the Version 2.06 Power ISA (aka Power7):
> 
>    - xxland
>    - xxlandc
>    - xxlor
>    - xxlxor
>    - xxlnor
> 
> Signed-off-by: Tom Musta <tommusta@gmail.com>
> ---
>  target-ppc/translate.c |   29 +++++++++++++++++++++++++++++
>  1 files changed, 29 insertions(+), 0 deletions(-)
> 
> diff --git a/target-ppc/translate.c b/target-ppc/translate.c
> index 03a352d..5056ec9 100644
> --- a/target-ppc/translate.c
> +++ b/target-ppc/translate.c
> @@ -7276,6 +7276,24 @@ VSX_VECTOR_MOVE(xvnegsp, OP_NEG, SGN_MASK_SP)
>  VSX_VECTOR_MOVE(xvcpsgnsp, OP_CPSGN, SGN_MASK_SP)
> 
> 
> +#define VSX_LOGICAL(name, tcg_op)                                    \
> +static void glue(gen_, name)(DisasContext * ctx)                     \
> +    {                                                                \
> +        if (unlikely(!ctx->vsx_enabled)) {                           \
> +            gen_exception(ctx, POWERPC_EXCP_VSXU);                   \
> +            return;                                                  \
> +        }                                                            \
> +        tcg_op(cpu_vsrh(xT(ctx->opcode)), cpu_vsrh(xA(ctx->opcode)), \
> +            cpu_vsrh(xB(ctx->opcode)));                              \
> +        tcg_op(cpu_vsrl(xT(ctx->opcode)), cpu_vsrl(xA(ctx->opcode)), \
> +            cpu_vsrl(xB(ctx->opcode)));                              \
> +    }
> +
> +VSX_LOGICAL(xxland, tcg_gen_and_tl)
> +VSX_LOGICAL(xxlandc, tcg_gen_andc_tl)
> +VSX_LOGICAL(xxlor, tcg_gen_or_tl)
> +VSX_LOGICAL(xxlxor, tcg_gen_xor_tl)
> +VSX_LOGICAL(xxlnor, tcg_gen_nor_tl)
> 
>  /***                           SPE
> extension                               ***/
>  /* Register moves */
> @@ -9779,6 +9797,17 @@ GEN_XX2FORM(xvabssp, 0x12, 0x19, PPC2_VSX),
>  GEN_XX2FORM(xvnabssp, 0x12, 0x1A, PPC2_VSX),
>  GEN_XX2FORM(xvnegsp, 0x12, 0x1B, PPC2_VSX),
>  GEN_XX3FORM(xvcpsgnsp, 0x00, 0x1A, PPC2_VSX),
> +
> +#undef VSX_LOGICAL
> +#define VSX_LOGICAL(name, opc2, opc3, fl2) \
> +GEN_XX3FORM(name, opc2, opc3, fl2)
> +
> +VSX_LOGICAL(xxland, 0x8, 0x10, PPC2_VSX),
> +VSX_LOGICAL(xxlandc, 0x8, 0x11, PPC2_VSX),
> +VSX_LOGICAL(xxlor, 0x8, 0x12, PPC2_VSX),
> +VSX_LOGICAL(xxlxor, 0x8, 0x13, PPC2_VSX),
> +VSX_LOGICAL(xxlnor, 0x8, 0x14, PPC2_VSX),
> +
>  GEN_XX3FORM_DM(xxpermdi, 0x08, 0x01),
> 
>  #undef GEN_SPE

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>