diff options
| author | Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> | 2017-01-10 14:20:38 +0530 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2017-01-31 10:10:14 +1100 |
| commit | e385e4b7dba4e62a4fd3dcf8d41a80d8b6a81c11 (patch) | |
| tree | c83bb5ed3339b97fde574c78a32aba2097d5f532 /target | |
| parent | d9031405a782d97c3c64be62bad90c7c44eae002 (diff) | |
| download | qemu-e385e4b7dba4e62a4fd3dcf8d41a80d8b6a81c11.tar.gz | |
target-ppc: Add xviexpdp instruction
xviexpdp: VSX Vector Insert Exponent Dual 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 | 26 | ||||
| -rw-r--r-- | target/ppc/translate/vsx-ops.inc.c | 1 |
2 files changed, 27 insertions, 0 deletions
diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c index c86f1b5a98..b66272eaa3 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -1370,6 +1370,32 @@ static void gen_xviexpsp(DisasContext *ctx) tcg_temp_free_i64(t0); } +static void gen_xviexpdp(DisasContext *ctx) +{ + TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode)); + TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode)); + TCGv_i64 xah = cpu_vsrh(xA(ctx->opcode)); + TCGv_i64 xal = cpu_vsrl(xA(ctx->opcode)); + TCGv_i64 xbh = cpu_vsrh(xB(ctx->opcode)); + TCGv_i64 xbl = cpu_vsrl(xB(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, xah, 0x800FFFFFFFFFFFFF); + tcg_gen_andi_i64(t0, xbh, 0x7FF); + tcg_gen_shli_i64(t0, t0, 52); + tcg_gen_or_i64(xth, xth, t0); + tcg_gen_andi_i64(xtl, xal, 0x800FFFFFFFFFFFFF); + tcg_gen_andi_i64(t0, xbl, 0x7FF); + tcg_gen_shli_i64(t0, t0, 52); + tcg_gen_or_i64(xtl, xtl, t0); + tcg_temp_free_i64(t0); +} + #undef GEN_XX2FORM #undef GEN_XX3FORM #undef GEN_XX2IFORM diff --git a/target/ppc/translate/vsx-ops.inc.c b/target/ppc/translate/vsx-ops.inc.c index 93752f07ee..253a5c4af8 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -125,6 +125,7 @@ GEN_VSX_XFORM_300(xsiexpqp, 0x4, 0x1B, 0x00000001), #endif GEN_XX3FORM(xviexpsp, 0x00, 0x1B, PPC2_ISA300), +GEN_XX3FORM(xviexpdp, 0x00, 0x1F, PPC2_ISA300), GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX), GEN_XX2FORM(xvnabsdp, 0x12, 0x1E, PPC2_VSX), |