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target-ppc: Add xsxexpdp instruction

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xsxexpdp: VSX Scalar Extract Exponent Dual Precision

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nikunj A Dadhania 2017-01-06 11:44:53 +05:30 committed by David Gibson
parent 9aeae8e16e
commit 08e149869e
2 changed files with 17 additions and 0 deletions
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13
target/ppc/translate/vsx-impl.inc.c
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@ -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

4
target/ppc/translate/vsx-ops.inc.c
View file

@ -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),