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Re: [Qemu-devel] [PATCH v7 19/20] target/mips: Move MXU_EN check one lev


From: Stefan Markovic
Subject: Re: [Qemu-devel] [PATCH v7 19/20] target/mips: Move MXU_EN check one level higher
Date: Fri, 26 Oct 2018 09:53:03 +0000

On 24.10.18. 14:18, Aleksandar Markovic wrote:
> From: Aleksandar Markovic <address@hidden>
>
> Move MXU_EN check to the main MXU decoding function, to avoid code
> repetition.
>
> Signed-off-by: Aleksandar Markovic <address@hidden>
> ---
>   target/mips/translate.c | 509 
> ++++++++++++++++++++++--------------------------
>   1 file changed, 238 insertions(+), 271 deletions(-)


Reviewed-by: Stefan Markovic <address@hidden>


> diff --git a/target/mips/translate.c b/target/mips/translate.c
> index 61c1662..3620ae5 100644
> --- a/target/mips/translate.c
> +++ b/target/mips/translate.c
> @@ -23960,23 +23960,16 @@ static void gen_mxu_s32m2i(DisasContext *ctx)
>   static void gen_mxu_s8ldd(DisasContext *ctx)
>   {
>       TCGv t0, t1;
> -    TCGLabel *l0;
>       uint32_t XRa, Rb, s8, optn3;
>   
>       t0 = tcg_temp_new();
>       t1 = tcg_temp_new();
>   
> -    l0 = gen_new_label();
> -
>       XRa = extract32(ctx->opcode, 6, 4);
>       s8 = extract32(ctx->opcode, 10, 8);
>       optn3 = extract32(ctx->opcode, 18, 3);
>       Rb = extract32(ctx->opcode, 21, 5);
>   
> -    gen_load_mxu_cr(t0);
> -    tcg_gen_andi_tl(t0, t0, MXU_CR_MXU_EN);
> -    tcg_gen_brcondi_tl(TCG_COND_NE, t0, MXU_CR_MXU_EN, l0);
> -
>       gen_load_gpr(t0, Rb);
>       tcg_gen_addi_tl(t0, t0, (int8_t)s8);
>   
> @@ -24034,8 +24027,6 @@ static void gen_mxu_s8ldd(DisasContext *ctx)
>   
>       gen_store_mxu_gpr(t0, XRa);
>   
> -    gen_set_label(l0);
> -
>       tcg_temp_free(t0);
>       tcg_temp_free(t1);
>   }
> @@ -24046,7 +24037,6 @@ static void gen_mxu_s8ldd(DisasContext *ctx)
>   static void gen_mxu_d16mul(DisasContext *ctx)
>   {
>       TCGv t0, t1, t2, t3;
> -    TCGLabel *l0;
>       uint32_t XRa, XRb, XRc, XRd, optn2;
>   
>       t0 = tcg_temp_new();
> @@ -24054,18 +24044,12 @@ static void gen_mxu_d16mul(DisasContext *ctx)
>       t2 = tcg_temp_new();
>       t3 = tcg_temp_new();
>   
> -    l0 = gen_new_label();
> -
>       XRa = extract32(ctx->opcode, 6, 4);
>       XRb = extract32(ctx->opcode, 10, 4);
>       XRc = extract32(ctx->opcode, 14, 4);
>       XRd = extract32(ctx->opcode, 18, 4);
>       optn2 = extract32(ctx->opcode, 22, 2);
>   
> -    gen_load_mxu_cr(t0);
> -    tcg_gen_andi_tl(t0, t0, MXU_CR_MXU_EN);
> -    tcg_gen_brcondi_tl(TCG_COND_NE, t0, MXU_CR_MXU_EN, l0);
> -
>       gen_load_mxu_gpr(t1, XRb);
>       tcg_gen_sextract_tl(t0, t1, 0, 16);
>       tcg_gen_sextract_tl(t1, t1, 16, 16);
> @@ -24094,8 +24078,6 @@ static void gen_mxu_d16mul(DisasContext *ctx)
>       gen_store_mxu_gpr(t3, XRa);
>       gen_store_mxu_gpr(t2, XRd);
>   
> -    gen_set_label(l0);
> -
>       tcg_temp_free(t0);
>       tcg_temp_free(t1);
>       tcg_temp_free(t2);
> @@ -24109,7 +24091,6 @@ static void gen_mxu_d16mul(DisasContext *ctx)
>   static void gen_mxu_d16mac(DisasContext *ctx)
>   {
>       TCGv t0, t1, t2, t3;
> -    TCGLabel *l0;
>       uint32_t XRa, XRb, XRc, XRd, optn2, aptn2;
>   
>       t0 = tcg_temp_new();
> @@ -24117,8 +24098,6 @@ static void gen_mxu_d16mac(DisasContext *ctx)
>       t2 = tcg_temp_new();
>       t3 = tcg_temp_new();
>   
> -    l0 = gen_new_label();
> -
>       XRa = extract32(ctx->opcode, 6, 4);
>       XRb = extract32(ctx->opcode, 10, 4);
>       XRc = extract32(ctx->opcode, 14, 4);
> @@ -24126,10 +24105,6 @@ static void gen_mxu_d16mac(DisasContext *ctx)
>       optn2 = extract32(ctx->opcode, 22, 2);
>       aptn2 = extract32(ctx->opcode, 24, 2);
>   
> -    gen_load_mxu_cr(t0);
> -    tcg_gen_andi_tl(t0, t0, MXU_CR_MXU_EN);
> -    tcg_gen_brcondi_tl(TCG_COND_NE, t0, MXU_CR_MXU_EN, l0);
> -
>       gen_load_mxu_gpr(t1, XRb);
>       tcg_gen_sextract_tl(t0, t1, 0, 16);
>       tcg_gen_sextract_tl(t1, t1, 16, 16);
> @@ -24180,8 +24155,6 @@ static void gen_mxu_d16mac(DisasContext *ctx)
>       gen_store_mxu_gpr(t3, XRa);
>       gen_store_mxu_gpr(t2, XRd);
>   
> -    gen_set_label(l0);
> -
>       tcg_temp_free(t0);
>       tcg_temp_free(t1);
>       tcg_temp_free(t2);
> @@ -24195,7 +24168,6 @@ static void gen_mxu_d16mac(DisasContext *ctx)
>   static void gen_mxu_q8mul_q8mulsu(DisasContext *ctx)
>   {
>       TCGv t0, t1, t2, t3, t4, t5, t6, t7;
> -    TCGLabel *l0;
>       uint32_t XRa, XRb, XRc, XRd, sel;
>   
>       t0 = tcg_temp_new();
> @@ -24207,18 +24179,12 @@ static void gen_mxu_q8mul_q8mulsu(DisasContext *ctx)
>       t6 = tcg_temp_new();
>       t7 = tcg_temp_new();
>   
> -    l0 = gen_new_label();
> -
>       XRa = extract32(ctx->opcode, 6, 4);
>       XRb = extract32(ctx->opcode, 10, 4);
>       XRc = extract32(ctx->opcode, 14, 4);
>       XRd = extract32(ctx->opcode, 18, 4);
>       sel = extract32(ctx->opcode, 22, 2);
>   
> -    gen_load_mxu_cr(t0);
> -    tcg_gen_andi_tl(t0, t0, MXU_CR_MXU_EN);
> -    tcg_gen_brcondi_tl(TCG_COND_NE, t0, MXU_CR_MXU_EN, l0);
> -
>       gen_load_mxu_gpr(t3, XRb);
>       gen_load_mxu_gpr(t7, XRc);
>   
> @@ -24269,8 +24235,6 @@ static void gen_mxu_q8mul_q8mulsu(DisasContext *ctx)
>       gen_store_mxu_gpr(t0, XRd);
>       gen_store_mxu_gpr(t1, XRa);
>   
> -    gen_set_label(l0);
> -
>       tcg_temp_free(t0);
>       tcg_temp_free(t1);
>       tcg_temp_free(t2);
> @@ -24288,23 +24252,16 @@ static void gen_mxu_q8mul_q8mulsu(DisasContext *ctx)
>   static void gen_mxu_s32ldd_s32lddr(DisasContext *ctx)
>   {
>       TCGv t0, t1;
> -    TCGLabel *l0;
>       uint32_t XRa, Rb, s12, sel;
>   
>       t0 = tcg_temp_new();
>       t1 = tcg_temp_new();
>   
> -    l0 = gen_new_label();
> -
>       XRa = extract32(ctx->opcode, 6, 4);
>       s12 = extract32(ctx->opcode, 10, 10);
>       sel = extract32(ctx->opcode, 20, 1);
>       Rb = extract32(ctx->opcode, 21, 5);
>   
> -    gen_load_mxu_cr(t0);
> -    tcg_gen_andi_tl(t0, t0, MXU_CR_MXU_EN);
> -    tcg_gen_brcondi_tl(TCG_COND_NE, t0, MXU_CR_MXU_EN, l0);
> -
>       gen_load_gpr(t0, Rb);
>   
>       tcg_gen_movi_tl(t1, s12);
> @@ -24321,8 +24278,6 @@ static void gen_mxu_s32ldd_s32lddr(DisasContext *ctx)
>       }
>       gen_store_mxu_gpr(t1, XRa);
>   
> -    gen_set_label(l0);
> -
>       tcg_temp_free(t0);
>       tcg_temp_free(t1);
>   }
> @@ -25243,232 +25198,244 @@ static void decode_opc_mxu(CPUMIPSState *env, 
> DisasContext *ctx)
>           return;
>       }
>   
> -    switch (opcode) {
> -    case OPC_MXU_S32MADD:
> -        /* TODO: Implement emulation of S32MADD instruction. */
> -        MIPS_INVAL("OPC_MXU_S32MADD");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_S32MADDU:
> -        /* TODO: Implement emulation of S32MADDU instruction. */
> -        MIPS_INVAL("OPC_MXU_S32MADDU");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU__POOL00:
> -        decode_opc_mxu__pool00(env, ctx);
> -        break;
> -    case OPC_MXU_S32MSUB:
> -        /* TODO: Implement emulation of S32MSUB instruction. */
> -        MIPS_INVAL("OPC_MXU_S32MSUB");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_S32MSUBU:
> -        /* TODO: Implement emulation of S32MSUBU instruction. */
> -        MIPS_INVAL("OPC_MXU_S32MSUBU");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU__POOL01:
> -        decode_opc_mxu__pool01(env, ctx);
> -        break;
> -    case OPC_MXU__POOL02:
> -        decode_opc_mxu__pool02(env, ctx);
> -        break;
> -    case OPC_MXU_D16MUL:
> -        gen_mxu_d16mul(ctx);
> -        break;
> -    case OPC_MXU__POOL03:
> -        decode_opc_mxu__pool03(env, ctx);
> -        break;
> -    case OPC_MXU_D16MAC:
> -        gen_mxu_d16mac(ctx);
> -        break;
> -    case OPC_MXU_D16MACF:
> -        /* TODO: Implement emulation of D16MACF instruction. */
> -        MIPS_INVAL("OPC_MXU_D16MACF");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_D16MADL:
> -        /* TODO: Implement emulation of D16MADL instruction. */
> -        MIPS_INVAL("OPC_MXU_D16MADL");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_S16MAD:
> -        /* TODO: Implement emulation of S16MAD instruction. */
> -        MIPS_INVAL("OPC_MXU_S16MAD");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_Q16ADD:
> -        /* TODO: Implement emulation of Q16ADD instruction. */
> -        MIPS_INVAL("OPC_MXU_Q16ADD");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_D16MACE:
> -        /* TODO: Implement emulation of D16MACE instruction. */
> -        MIPS_INVAL("OPC_MXU_D16MACE");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU__POOL04:
> -        decode_opc_mxu__pool04(env, ctx);
> -        break;
> -    case OPC_MXU__POOL05:
> -        decode_opc_mxu__pool05(env, ctx);
> -        break;
> -    case OPC_MXU__POOL06:
> -        decode_opc_mxu__pool06(env, ctx);
> -        break;
> -    case OPC_MXU__POOL07:
> -        decode_opc_mxu__pool07(env, ctx);
> -        break;
> -    case OPC_MXU__POOL08:
> -        decode_opc_mxu__pool08(env, ctx);
> -        break;
> -    case OPC_MXU__POOL09:
> -        decode_opc_mxu__pool09(env, ctx);
> -        break;
> -    case OPC_MXU__POOL10:
> -        decode_opc_mxu__pool10(env, ctx);
> -        break;
> -    case OPC_MXU__POOL11:
> -        decode_opc_mxu__pool11(env, ctx);
> -        break;
> -    case OPC_MXU_D32ADD:
> -        /* TODO: Implement emulation of D32ADD instruction. */
> -        MIPS_INVAL("OPC_MXU_D32ADD");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU__POOL12:
> -        decode_opc_mxu__pool12(env, ctx);
> -        break;
> -    case OPC_MXU__POOL13:
> -        decode_opc_mxu__pool13(env, ctx);
> -        break;
> -    case OPC_MXU__POOL14:
> -        decode_opc_mxu__pool14(env, ctx);
> -        break;
> -    case OPC_MXU_Q8ACCE:
> -        /* TODO: Implement emulation of Q8ACCE instruction. */
> -        MIPS_INVAL("OPC_MXU_Q8ACCE");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_S8LDD:
> -        gen_mxu_s8ldd(ctx);
> -        break;
> -    case OPC_MXU_S8STD:
> -        /* TODO: Implement emulation of S8STD instruction. */
> -        MIPS_INVAL("OPC_MXU_S8STD");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_S8LDI:
> -        /* TODO: Implement emulation of S8LDI instruction. */
> -        MIPS_INVAL("OPC_MXU_S8LDI");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_S8SDI:
> -        /* TODO: Implement emulation of S8SDI instruction. */
> -        MIPS_INVAL("OPC_MXU_S8SDI");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU__POOL15:
> -        decode_opc_mxu__pool15(env, ctx);
> -        break;
> -    case OPC_MXU__POOL16:
> -        decode_opc_mxu__pool16(env, ctx);
> -        break;
> -    case OPC_MXU_LXB:
> -        /* TODO: Implement emulation of LXB instruction. */
> -        MIPS_INVAL("OPC_MXU_LXB");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_S16LDD:
> -        /* TODO: Implement emulation of S16LDD instruction. */
> -        MIPS_INVAL("OPC_MXU_S16LDD");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_S16STD:
> -        /* TODO: Implement emulation of S16STD instruction. */
> -        MIPS_INVAL("OPC_MXU_S16STD");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_S16LDI:
> -        /* TODO: Implement emulation of S16LDI instruction. */
> -        MIPS_INVAL("OPC_MXU_S16LDI");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_S16SDI:
> -        /* TODO: Implement emulation of S16SDI instruction. */
> -        MIPS_INVAL("OPC_MXU_S16SDI");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_D32SLL:
> -        /* TODO: Implement emulation of D32SLL instruction. */
> -        MIPS_INVAL("OPC_MXU_D32SLL");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_D32SLR:
> -        /* TODO: Implement emulation of D32SLR instruction. */
> -        MIPS_INVAL("OPC_MXU_D32SLR");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_D32SARL:
> -        /* TODO: Implement emulation of D32SARL instruction. */
> -        MIPS_INVAL("OPC_MXU_D32SARL");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_D32SAR:
> -        /* TODO: Implement emulation of D32SAR instruction. */
> -        MIPS_INVAL("OPC_MXU_D32SAR");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_Q16SLL:
> -        /* TODO: Implement emulation of Q16SLL instruction. */
> -        MIPS_INVAL("OPC_MXU_Q16SLL");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_Q16SLR:
> -        /* TODO: Implement emulation of Q16SLR instruction. */
> -        MIPS_INVAL("OPC_MXU_Q16SLR");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU__POOL17:
> -        decode_opc_mxu__pool17(env, ctx);
> -        break;
> -    case OPC_MXU_Q16SAR:
> -        /* TODO: Implement emulation of Q16SAR instruction. */
> -        MIPS_INVAL("OPC_MXU_Q16SAR");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU__POOL18:
> -        decode_opc_mxu__pool18(env, ctx);
> -        break;
> -    case OPC_MXU__POOL19:
> -        decode_opc_mxu__pool19(env, ctx);
> -        break;
> -    case OPC_MXU__POOL20:
> -        decode_opc_mxu__pool20(env, ctx);
> -        break;
> -    case OPC_MXU_Q16SCOP:
> -        /* TODO: Implement emulation of Q16SCOP instruction. */
> -        MIPS_INVAL("OPC_MXU_Q16SCOP");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_Q8MADL:
> -        /* TODO: Implement emulation of Q8MADL instruction. */
> -        MIPS_INVAL("OPC_MXU_Q8MADL");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_S32SFL:
> -        /* TODO: Implement emulation of S32SFL instruction. */
> -        MIPS_INVAL("OPC_MXU_S32SFL");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    case OPC_MXU_Q8SAD:
> -        /* TODO: Implement emulation of Q8SAD instruction. */
> -        MIPS_INVAL("OPC_MXU_Q8SAD");
> -        generate_exception_end(ctx, EXCP_RI);
> -        break;
> -    default:
> -        MIPS_INVAL("decode_opc_mxu");
> -        generate_exception_end(ctx, EXCP_RI);
> +    {
> +        TCGv t_mxu_cr = tcg_temp_new();
> +        TCGLabel *l_exit = gen_new_label();
> +
> +        gen_load_mxu_cr(t_mxu_cr);
> +        tcg_gen_andi_tl(t_mxu_cr, t_mxu_cr, MXU_CR_MXU_EN);
> +        tcg_gen_brcondi_tl(TCG_COND_NE, t_mxu_cr, MXU_CR_MXU_EN, l_exit);
> +
> +        switch (opcode) {
> +        case OPC_MXU_S32MADD:
> +            /* TODO: Implement emulation of S32MADD instruction. */
> +            MIPS_INVAL("OPC_MXU_S32MADD");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_S32MADDU:
> +            /* TODO: Implement emulation of S32MADDU instruction. */
> +            MIPS_INVAL("OPC_MXU_S32MADDU");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU__POOL00:
> +            decode_opc_mxu__pool00(env, ctx);
> +            break;
> +        case OPC_MXU_S32MSUB:
> +            /* TODO: Implement emulation of S32MSUB instruction. */
> +            MIPS_INVAL("OPC_MXU_S32MSUB");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_S32MSUBU:
> +            /* TODO: Implement emulation of S32MSUBU instruction. */
> +            MIPS_INVAL("OPC_MXU_S32MSUBU");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU__POOL01:
> +            decode_opc_mxu__pool01(env, ctx);
> +            break;
> +        case OPC_MXU__POOL02:
> +            decode_opc_mxu__pool02(env, ctx);
> +            break;
> +        case OPC_MXU_D16MUL:
> +            gen_mxu_d16mul(ctx);
> +            break;
> +        case OPC_MXU__POOL03:
> +            decode_opc_mxu__pool03(env, ctx);
> +            break;
> +        case OPC_MXU_D16MAC:
> +            gen_mxu_d16mac(ctx);
> +            break;
> +        case OPC_MXU_D16MACF:
> +            /* TODO: Implement emulation of D16MACF instruction. */
> +            MIPS_INVAL("OPC_MXU_D16MACF");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_D16MADL:
> +            /* TODO: Implement emulation of D16MADL instruction. */
> +            MIPS_INVAL("OPC_MXU_D16MADL");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_S16MAD:
> +            /* TODO: Implement emulation of S16MAD instruction. */
> +            MIPS_INVAL("OPC_MXU_S16MAD");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_Q16ADD:
> +            /* TODO: Implement emulation of Q16ADD instruction. */
> +            MIPS_INVAL("OPC_MXU_Q16ADD");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_D16MACE:
> +            /* TODO: Implement emulation of D16MACE instruction. */
> +            MIPS_INVAL("OPC_MXU_D16MACE");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU__POOL04:
> +            decode_opc_mxu__pool04(env, ctx);
> +            break;
> +        case OPC_MXU__POOL05:
> +            decode_opc_mxu__pool05(env, ctx);
> +            break;
> +        case OPC_MXU__POOL06:
> +            decode_opc_mxu__pool06(env, ctx);
> +            break;
> +        case OPC_MXU__POOL07:
> +            decode_opc_mxu__pool07(env, ctx);
> +            break;
> +        case OPC_MXU__POOL08:
> +            decode_opc_mxu__pool08(env, ctx);
> +            break;
> +        case OPC_MXU__POOL09:
> +            decode_opc_mxu__pool09(env, ctx);
> +            break;
> +        case OPC_MXU__POOL10:
> +            decode_opc_mxu__pool10(env, ctx);
> +            break;
> +        case OPC_MXU__POOL11:
> +            decode_opc_mxu__pool11(env, ctx);
> +            break;
> +        case OPC_MXU_D32ADD:
> +            /* TODO: Implement emulation of D32ADD instruction. */
> +            MIPS_INVAL("OPC_MXU_D32ADD");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU__POOL12:
> +            decode_opc_mxu__pool12(env, ctx);
> +            break;
> +        case OPC_MXU__POOL13:
> +            decode_opc_mxu__pool13(env, ctx);
> +            break;
> +        case OPC_MXU__POOL14:
> +            decode_opc_mxu__pool14(env, ctx);
> +            break;
> +        case OPC_MXU_Q8ACCE:
> +            /* TODO: Implement emulation of Q8ACCE instruction. */
> +            MIPS_INVAL("OPC_MXU_Q8ACCE");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_S8LDD:
> +            gen_mxu_s8ldd(ctx);
> +            break;
> +        case OPC_MXU_S8STD:
> +            /* TODO: Implement emulation of S8STD instruction. */
> +            MIPS_INVAL("OPC_MXU_S8STD");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_S8LDI:
> +            /* TODO: Implement emulation of S8LDI instruction. */
> +            MIPS_INVAL("OPC_MXU_S8LDI");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_S8SDI:
> +            /* TODO: Implement emulation of S8SDI instruction. */
> +            MIPS_INVAL("OPC_MXU_S8SDI");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU__POOL15:
> +            decode_opc_mxu__pool15(env, ctx);
> +            break;
> +        case OPC_MXU__POOL16:
> +            decode_opc_mxu__pool16(env, ctx);
> +            break;
> +        case OPC_MXU_LXB:
> +            /* TODO: Implement emulation of LXB instruction. */
> +            MIPS_INVAL("OPC_MXU_LXB");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_S16LDD:
> +            /* TODO: Implement emulation of S16LDD instruction. */
> +            MIPS_INVAL("OPC_MXU_S16LDD");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_S16STD:
> +            /* TODO: Implement emulation of S16STD instruction. */
> +            MIPS_INVAL("OPC_MXU_S16STD");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_S16LDI:
> +            /* TODO: Implement emulation of S16LDI instruction. */
> +            MIPS_INVAL("OPC_MXU_S16LDI");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_S16SDI:
> +            /* TODO: Implement emulation of S16SDI instruction. */
> +            MIPS_INVAL("OPC_MXU_S16SDI");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_D32SLL:
> +            /* TODO: Implement emulation of D32SLL instruction. */
> +            MIPS_INVAL("OPC_MXU_D32SLL");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_D32SLR:
> +            /* TODO: Implement emulation of D32SLR instruction. */
> +            MIPS_INVAL("OPC_MXU_D32SLR");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_D32SARL:
> +            /* TODO: Implement emulation of D32SARL instruction. */
> +            MIPS_INVAL("OPC_MXU_D32SARL");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_D32SAR:
> +            /* TODO: Implement emulation of D32SAR instruction. */
> +            MIPS_INVAL("OPC_MXU_D32SAR");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_Q16SLL:
> +            /* TODO: Implement emulation of Q16SLL instruction. */
> +            MIPS_INVAL("OPC_MXU_Q16SLL");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_Q16SLR:
> +            /* TODO: Implement emulation of Q16SLR instruction. */
> +            MIPS_INVAL("OPC_MXU_Q16SLR");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU__POOL17:
> +            decode_opc_mxu__pool17(env, ctx);
> +            break;
> +        case OPC_MXU_Q16SAR:
> +            /* TODO: Implement emulation of Q16SAR instruction. */
> +            MIPS_INVAL("OPC_MXU_Q16SAR");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU__POOL18:
> +            decode_opc_mxu__pool18(env, ctx);
> +            break;
> +        case OPC_MXU__POOL19:
> +            decode_opc_mxu__pool19(env, ctx);
> +            break;
> +        case OPC_MXU__POOL20:
> +            decode_opc_mxu__pool20(env, ctx);
> +            break;
> +        case OPC_MXU_Q16SCOP:
> +            /* TODO: Implement emulation of Q16SCOP instruction. */
> +            MIPS_INVAL("OPC_MXU_Q16SCOP");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_Q8MADL:
> +            /* TODO: Implement emulation of Q8MADL instruction. */
> +            MIPS_INVAL("OPC_MXU_Q8MADL");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_S32SFL:
> +            /* TODO: Implement emulation of S32SFL instruction. */
> +            MIPS_INVAL("OPC_MXU_S32SFL");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        case OPC_MXU_Q8SAD:
> +            /* TODO: Implement emulation of Q8SAD instruction. */
> +            MIPS_INVAL("OPC_MXU_Q8SAD");
> +            generate_exception_end(ctx, EXCP_RI);
> +            break;
> +        default:
> +            MIPS_INVAL("decode_opc_mxu");
> +            generate_exception_end(ctx, EXCP_RI);
> +        }
> +
> +        gen_set_label(l_exit);
> +        tcg_temp_free(t_mxu_cr);
>       }
>   }
>   

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