Re: [PATCH v5 22/23] target/ppc: Move addpcis to decodetree

[David Gibson]

On Mon, May 17, 2021 at 05:50:24PM -0300, matheus.ferst@eldorado.org.br wrote:
> From: Matheus Ferst <matheus.ferst@eldorado.org.br>
> 
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
> Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>

Applied to ppc-for-6.1, thanks.

> ---
>  target/ppc/insn32.decode                   | 6 ++++++
>  target/ppc/translate.c                     | 9 ---------
>  target/ppc/translate/fixedpoint-impl.c.inc | 7 +++++++
>  3 files changed, 13 insertions(+), 9 deletions(-)
> 
> diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode
> index 77edf407ab..93e5d44d9e 100644
> --- a/target/ppc/insn32.decode
> +++ b/target/ppc/insn32.decode
> @@ -23,6 +23,10 @@
>  %ds_si          2:s14  !function=times_4
>  @DS             ...... rt:5 ra:5 .............. ..      &D si=%ds_si
>  
> +&DX             rt d
> +%dx_d           6:s10 16:5 0:1
> +@DX             ...... rt:5  ..... .......... ..... .   &DX d=%dx_d
> +
>  &VX             vrt vra vrb
>  @VX             ...... vrt:5 vra:5 vrb:5 .......... .   &VX
>  
> @@ -90,6 +94,8 @@ STDUX           011111 ..... ..... ..... 0010110101 -   @X
>  ADDI            001110 ..... ..... ................     @D
>  ADDIS           001111 ..... ..... ................     @D
>  
> +ADDPCIS         010011 ..... ..... .......... 00010 .   @DX
> +
>  ## Fixed-Point Logical Instructions
>  
>  CFUGED          011111 ..... ..... ..... 0011011100 -   @X
> diff --git a/target/ppc/translate.c b/target/ppc/translate.c
> index f56ed5866e..aef01af396 100644
> --- a/target/ppc/translate.c
> +++ b/target/ppc/translate.c
> @@ -1865,14 +1865,6 @@ static void gen_addic_(DisasContext *ctx)
>      gen_op_addic(ctx, 1);
>  }
>  
> -/* addpcis */
> -static void gen_addpcis(DisasContext *ctx)
> -{
> -    target_long d = DX(ctx->opcode);
> -
> -    tcg_gen_movi_tl(cpu_gpr[rD(ctx->opcode)], ctx->base.pc_next + (d << 16));
> -}
> -
>  static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1,
>                                       TCGv arg2, int sign, int compute_ov)
>  {
> @@ -7745,7 +7737,6 @@ GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, 
> PPC_NONE, PPC2_ISA300),
>  GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL),
>  GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
>  GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),
> -GEN_HANDLER_E(addpcis, 0x13, 0x2, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300),
>  GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER),
>  GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER),
>  GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER),
> diff --git a/target/ppc/translate/fixedpoint-impl.c.inc 
> b/target/ppc/translate/fixedpoint-impl.c.inc
> index 4038143efb..4f257a931c 100644
> --- a/target/ppc/translate/fixedpoint-impl.c.inc
> +++ b/target/ppc/translate/fixedpoint-impl.c.inc
> @@ -194,6 +194,13 @@ static bool trans_ADDIS(DisasContext *ctx, arg_D *a)
>      return trans_ADDI(ctx, a);
>  }
>  
> +static bool trans_ADDPCIS(DisasContext *ctx, arg_DX *a)
> +{
> +    REQUIRE_INSNS_FLAGS2(ctx, ISA300);
> +    tcg_gen_movi_tl(cpu_gpr[a->rt], ctx->base.pc_next + (a->d<<16));
> +    return true;
> +}
> +
>  static bool trans_INVALID(DisasContext *ctx, arg_INVALID *a)
>  {
>      gen_invalid(ctx);

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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