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authorNikunj A Dadhania <nikunj@linux.vnet.ibm.com>2017-01-10 14:20:37 +0530
committerDavid Gibson <david@gibson.dropbear.id.au>2017-01-31 10:10:14 +1100
commitd9031405a782d97c3c64be62bad90c7c44eae002 (patch)
treed0e356565026fafc64d0ee9dc87e283d3332ca2c
parent8a9472ec389d6b47e7a0746b0c97b8073f6379be (diff)
target-ppc: Add xviexpsp instruction
xviexpsp: VSX Vector Insert Exponent Single Precision Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
-rw-r--r--target/ppc/translate/vsx-impl.inc.c26
-rw-r--r--target/ppc/translate/vsx-ops.inc.c2
2 files changed, 28 insertions, 0 deletions
diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c
index ed392aaea1..c86f1b5a98 100644
--- a/target/ppc/translate/vsx-impl.inc.c
+++ b/target/ppc/translate/vsx-impl.inc.c
@@ -1344,6 +1344,32 @@ static void gen_xsxsigqp(DisasContext *ctx)
}
#endif
+static void gen_xviexpsp(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, 0x807FFFFF807FFFFF);
+ tcg_gen_andi_i64(t0, xbh, 0xFF000000FF);
+ tcg_gen_shli_i64(t0, t0, 23);
+ tcg_gen_or_i64(xth, xth, t0);
+ tcg_gen_andi_i64(xtl, xal, 0x807FFFFF807FFFFF);
+ tcg_gen_andi_i64(t0, xbl, 0xFF000000FF);
+ tcg_gen_shli_i64(t0, t0, 23);
+ 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 09b91c389f..93752f07ee 100644
--- a/target/ppc/translate/vsx-ops.inc.c
+++ b/target/ppc/translate/vsx-ops.inc.c
@@ -124,6 +124,8 @@ GEN_HANDLER_E(xsiexpdp, 0x3C, 0x16, 0x1C, 0, PPC_NONE, PPC2_ISA300),
GEN_VSX_XFORM_300(xsiexpqp, 0x4, 0x1B, 0x00000001),
#endif
+GEN_XX3FORM(xviexpsp, 0x00, 0x1B, PPC2_ISA300),
+
GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX),
GEN_XX2FORM(xvnabsdp, 0x12, 0x1E, PPC2_VSX),
GEN_XX2FORM(xvnegdp, 0x12, 0x1F, PPC2_VSX),