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Re: [Qemu-devel] [PATCH RESEND v2 06/17] target-ppc: convert st[16, 32,


From: David Gibson
Subject: Re: [Qemu-devel] [PATCH RESEND v2 06/17] target-ppc: convert st[16, 32, 64]r to use new macro
Date: Thu, 15 Sep 2016 10:48:09 +1000
User-agent: Mutt/1.7.0 (2016-08-17)

On Mon, Sep 12, 2016 at 12:11:35PM +0530, Nikunj A Dadhania wrote:
> Make byte-swap routines use the common GEN_QEMU_LOAD macro

s/GEN_QEMU_LOAD/GEN_QEMU_STORE/

> Signed-off-by: Nikunj A Dadhania <address@hidden>
> ---
>  target-ppc/translate.c | 32 ++++++++++----------------------
>  1 file changed, 10 insertions(+), 22 deletions(-)
> 
> diff --git a/target-ppc/translate.c b/target-ppc/translate.c
> index 254ad40..60668c2 100644
> --- a/target-ppc/translate.c
> +++ b/target-ppc/translate.c
> @@ -2510,6 +2510,9 @@ GEN_QEMU_STORE_TL(st8,  DEF_MEMOP(MO_UB))
>  GEN_QEMU_STORE_TL(st16, DEF_MEMOP(MO_UW))
>  GEN_QEMU_STORE_TL(st32, DEF_MEMOP(MO_UL))
>  
> +GEN_QEMU_STORE_TL(st16r, BSWAP_MEMOP(MO_UW))
> +GEN_QEMU_STORE_TL(st32r, BSWAP_MEMOP(MO_UL))
> +
>  #define GEN_QEMU_STORE_64(stop, op)                               \
>  static void glue(gen_qemu_, glue(stop, _i64))(DisasContext *ctx,  \
>                                                TCGv_i64 val,       \
> @@ -2521,6 +2524,10 @@ static void glue(gen_qemu_, glue(stop, 
> _i64))(DisasContext *ctx,  \
>  GEN_QEMU_STORE_64(st32, DEF_MEMOP(MO_UL))
>  GEN_QEMU_STORE_64(st64, DEF_MEMOP(MO_Q))
>  
> +#if defined(TARGET_PPC64)
> +GEN_QEMU_STORE_64(st64r, BSWAP_MEMOP(MO_Q))
> +#endif
> +
>  #define GEN_LD(name, ldop, opc, type)                                        
>  \
>  static void glue(gen_, name)(DisasContext *ctx)                              
>          \
>  {                                                                            
>  \
> @@ -2844,34 +2851,15 @@ GEN_LDX(lwbr, ld32ur, 0x16, 0x10, PPC_INTEGER);
>  #if defined(TARGET_PPC64)
>  /* ldbrx */
>  GEN_LDX_E(ldbr, ld64ur_i64, 0x14, 0x10, PPC_NONE, PPC2_DBRX, CHK_NONE);
> +/* stdbrx */
> +GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
>  #endif  /* TARGET_PPC64 */
>  
>  /* sthbrx */
> -static inline void gen_qemu_st16r(DisasContext *ctx, TCGv arg1, TCGv arg2)
> -{
> -    TCGMemOp op = MO_UW | (ctx->default_tcg_memop_mask ^ MO_BSWAP);
> -    tcg_gen_qemu_st_tl(arg1, arg2, ctx->mem_idx, op);
> -}
>  GEN_STX(sthbr, st16r, 0x16, 0x1C, PPC_INTEGER);
> -
>  /* stwbrx */
> -static inline void gen_qemu_st32r(DisasContext *ctx, TCGv arg1, TCGv arg2)
> -{
> -    TCGMemOp op = MO_UL | (ctx->default_tcg_memop_mask ^ MO_BSWAP);
> -    tcg_gen_qemu_st_tl(arg1, arg2, ctx->mem_idx, op);
> -}
>  GEN_STX(stwbr, st32r, 0x16, 0x14, PPC_INTEGER);
>  
> -#if defined(TARGET_PPC64)
> -/* stdbrx */
> -static inline void gen_qemu_st64r(DisasContext *ctx, TCGv arg1, TCGv arg2)
> -{
> -    TCGMemOp op = MO_Q | (ctx->default_tcg_memop_mask ^ MO_BSWAP);
> -    tcg_gen_qemu_st_i64(arg1, arg2, ctx->mem_idx, op);
> -}
> -GEN_STX_E(stdbr, st64r, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE);
> -#endif  /* TARGET_PPC64 */
> -
>  /***                    Integer load and store multiple                    
> ***/
>  
>  /* lmw */
> @@ -6619,7 +6607,7 @@ GEN_STS(stw, st32, 0x04, PPC_INTEGER)
>  #if defined(TARGET_PPC64)
>  GEN_STUX(std, st64_i64, 0x15, 0x05, PPC_64B)
>  GEN_STX(std, st64_i64, 0x15, 0x04, PPC_64B)
> -GEN_STX_E(stdbr, st64r, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
> +GEN_STX_E(stdbr, st64r_i64, 0x14, 0x14, PPC_NONE, PPC2_DBRX, CHK_NONE)
>  GEN_STX_HVRM(stdcix, st64_i64, 0x15, 0x1f, PPC_CILDST)
>  GEN_STX_HVRM(stwcix, st32, 0x15, 0x1c, PPC_CILDST)
>  GEN_STX_HVRM(sthcix, st16, 0x15, 0x1d, PPC_CILDST)

-- 
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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