Commit 08e14986 authored by Nikunj A Dadhania's avatar Nikunj A Dadhania Committed by David Gibson
Browse files

target-ppc: Add xsxexpdp instruction 



xsxexpdp: VSX Scalar Extract Exponent Dual 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 9aeae8e1

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

+13 −0
Original line number Diff line number Diff line
@@ -1213,6 +1213,19 @@ static void gen_##name(DisasContext *ctx) \ 
VSX_EXTRACT_INSERT(xxextractuw)

VSX_EXTRACT_INSERT(xxinsertw)



#ifdef TARGET_PPC64

static void gen_xsxexpdp(DisasContext *ctx)

{

    TCGv rt = cpu_gpr[rD(ctx->opcode)];

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

        gen_exception(ctx, POWERPC_EXCP_VSXU);

        return;

    }

    tcg_gen_shri_i64(rt, cpu_vsrh(xB(ctx->opcode)), 52);

    tcg_gen_andi_i64(rt, rt, 0x7FF);

}

#endif



#undef GEN_XX2FORM

#undef GEN_XX3FORM

#undef GEN_XX2IFORM

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

+4 −0
Original line number Diff line number Diff line
@@ -113,6 +113,10 @@ GEN_VSX_XFORM_300_EO(xsnabsqp, 0x04, 0x19, 0x08, 0x00000001), 
GEN_VSX_XFORM_300_EO(xsnegqp, 0x04, 0x19, 0x10, 0x00000001),

GEN_VSX_XFORM_300(xscpsgnqp, 0x04, 0x03, 0x00000001),



#ifdef TARGET_PPC64

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

#endif



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

GEN_XX2FORM(xvnabsdp, 0x12, 0x1E, PPC2_VSX),

GEN_XX2FORM(xvnegdp, 0x12, 0x1F, PPC2_VSX),