Commit be9c42c9 authored by Fredrik Noring's avatar Fredrik Noring Committed by Aleksandar Markovic
Browse files

target/mips: Support R5900 DIV1 and DIVU1 instructions 



Add support for DIV1 and DIVU1 instructions.

Reviewed-by: default avatarAleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: default avatarFredrik Noring <noring@nocrew.org>
Signed-off-by: default avatarAleksandar Markovic <amarkovic@wavecomp.com>
parent 8d927f7c

target/mips/translate.c

+9 −3
Original line number Diff line number Diff line
@@ -4593,11 +4593,14 @@ static void gen_muldiv(DisasContext *ctx, uint32_t opc, 
    gen_load_gpr(t1, rt);









    if (acc != 0) {









        if (!(ctx->insn_flags & INSN_R5900)) {









            check_dsp(ctx);









        }









    }

















    switch (opc) {









    case OPC_DIV:









    case TX79_MMI_DIV1:









        {









            TCGv t2 = tcg_temp_new();









            TCGv t3 = tcg_temp_new();








@@ -4619,6 +4622,7 @@ static void gen_muldiv(DisasContext *ctx, uint32_t opc,







        }









        break;









    case OPC_DIVU:









    case TX79_MMI_DIVU1:









        {









            TCGv t2 = tcg_const_tl(0);









            TCGv t3 = tcg_const_tl(1);








@@ -24665,6 +24669,10 @@ static void decode_tx79_mmi(CPUMIPSState *env, DisasContext *ctx)







    case TX79_MMI_MULTU1:









        gen_mul_txx9(ctx, opc, rd, rs, rt);









        break;









    case TX79_MMI_DIV1:









    case TX79_MMI_DIVU1:









        gen_muldiv(ctx, opc, 1, rs, rt);









        break;









    case TX79_MMI_MTLO1:









    case TX79_MMI_MTHI1:









        gen_HILO(ctx, opc, 1, rs);








@@ -24676,8 +24684,6 @@ static void decode_tx79_mmi(CPUMIPSState *env, DisasContext *ctx)







    case TX79_MMI_MADD:          /* TODO: TX79_MMI_MADD */









    case TX79_MMI_MADDU:         /* TODO: TX79_MMI_MADDU */









    case TX79_MMI_PLZCW:         /* TODO: TX79_MMI_PLZCW */









    case TX79_MMI_DIV1:          /* TODO: TX79_MMI_DIV1 */









    case TX79_MMI_DIVU1:         /* TODO: TX79_MMI_DIVU1 */









    case TX79_MMI_MADD1:         /* TODO: TX79_MMI_MADD1 */









    case TX79_MMI_MADDU1:        /* TODO: TX79_MMI_MADDU1 */









    case TX79_MMI_PMFHL:         /* TODO: TX79_MMI_PMFHL */