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target-ppc: Add xsxexpqp instruction 

xsxexpqp: VSX Scalar Extract Exponent Quad 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 11:44:54 +05:30 committed by David Gibson
parent 08e149869e
commit 9eceae320e
2 changed files with 16 additions and 0 deletions
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15
target/ppc/translate/vsx-impl.inc.c
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@ -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

1
target/ppc/translate/vsx-ops.inc.c
View File

@ -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),