Commit 9eceae32 authored by Nikunj A Dadhania's avatar Nikunj A Dadhania Committed by David Gibson
Browse files

target-ppc: Add xsxexpqp instruction 



xsxexpqp: VSX Scalar Extract Exponent Quad Precision

Signed-off-by: default avatarNikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid Gibson <david@gibson.dropbear.id.au>
parent 08e14986

target/ppc/translate/vsx-impl.inc.c

+15 −0
Original line number Diff line number Diff line
@@ -1224,6 +1224,21 @@ static void gen_xsxexpdp(DisasContext *ctx) 
    tcg_gen_shri_i64(rt, cpu_vsrh(xB(ctx->opcode)), 52);

    tcg_gen_andi_i64(rt, rt, 0x7FF);

}



static void gen_xsxexpqp(DisasContext *ctx)

{

    TCGv_i64 xth = cpu_vsrh(rD(ctx->opcode) + 32);

    TCGv_i64 xtl = cpu_vsrl(rD(ctx->opcode) + 32);

    TCGv_i64 xbh = cpu_vsrh(rB(ctx->opcode) + 32);



    if (unlikely(!ctx->vsx_enabled)) {

        gen_exception(ctx, POWERPC_EXCP_VSXU);

        return;

    }

    tcg_gen_shri_i64(xth, xbh, 48);

    tcg_gen_andi_i64(xth, xth, 0x7FFF);

    tcg_gen_movi_i64(xtl, 0);

}

#endif



#undef GEN_XX2FORM

target/ppc/translate/vsx-ops.inc.c

+1 −0
Original line number Diff line number Diff line
@@ -115,6 +115,7 @@ GEN_VSX_XFORM_300(xscpsgnqp, 0x04, 0x03, 0x00000001), 


#ifdef TARGET_PPC64

GEN_XX2FORM_EO(xsxexpdp, 0x16, 0x15, 0x00, PPC2_ISA300),

GEN_VSX_XFORM_300_EO(xsxexpqp, 0x04, 0x19, 0x02, 0x00000001),

#endif



GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX),