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| author | Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> | 2017-01-10 14:20:35 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2017-01-31 10:10:14 +1100 |
| commit | 1b8d663d620888b537020cd55890af5f4bbc41b8 (patch) | |
| tree | 915220aee6f563067a8cee677e1f244f126c47b0 /target | |
| parent | a54238adac8e6fc4ba8bffe8299216b73ef3d3ee (diff) | |
| download | qemu-1b8d663d620888b537020cd55890af5f4bbc41b8.zip qemu-1b8d663d620888b537020cd55890af5f4bbc41b8.tar.gz qemu-1b8d663d620888b537020cd55890af5f4bbc41b8.tar.bz2 | |
target-ppc: Add xsiexpdp instruction
xsiexpdp: VSX Scalar Insert Exponent Double Precision
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'target')
| -rw-r--r-- | target/ppc/translate/vsx-impl.inc.c | 20 | ||||
| -rw-r--r-- | target/ppc/translate/vsx-ops.inc.c | 1 |
2 files changed, 21 insertions, 0 deletions
diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c index 2d9fe50..2d09225 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -1243,6 +1243,26 @@ static void gen_xsxexpqp(DisasContext *ctx) tcg_gen_movi_i64(xtl, 0); } +static void gen_xsiexpdp(DisasContext *ctx) +{ + TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode)); + TCGv ra = cpu_gpr[rA(ctx->opcode)]; + TCGv rb = cpu_gpr[rB(ctx->opcode)]; + TCGv_i64 t0; + + if (unlikely(!ctx->vsx_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VSXU); + return; + } + t0 = tcg_temp_new_i64(); + tcg_gen_andi_i64(xth, ra, 0x800FFFFFFFFFFFFF); + tcg_gen_andi_i64(t0, rb, 0x7FF); + tcg_gen_shli_i64(t0, t0, 52); + tcg_gen_or_i64(xth, xth, t0); + /* dword[1] is undefined */ + tcg_temp_free_i64(t0); +} + static void gen_xsxsigdp(DisasContext *ctx) { TCGv rt = cpu_gpr[rD(ctx->opcode)]; diff --git a/target/ppc/translate/vsx-ops.inc.c b/target/ppc/translate/vsx-ops.inc.c index aeeaff2..5980ac6 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -120,6 +120,7 @@ GEN_XX2FORM_EO(xsxexpdp, 0x16, 0x15, 0x00, PPC2_ISA300), GEN_VSX_XFORM_300_EO(xsxexpqp, 0x04, 0x19, 0x02, 0x00000001), GEN_XX2FORM_EO(xsxsigdp, 0x16, 0x15, 0x01, PPC2_ISA300), GEN_VSX_XFORM_300_EO(xsxsigqp, 0x04, 0x19, 0x12, 0x00000001), +GEN_HANDLER_E(xsiexpdp, 0x3C, 0x16, 0x1C, 0, PPC_NONE, PPC2_ISA300), #endif GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX), |