From: Bharata B Rao <bhar...@linux.vnet.ibm.com>
xxperm: VSX Vector Permute
xxpermr: VSX Vector Permute Right-indexed
Signed-off-by: Bharata B Rao <bhar...@linux.vnet.ibm.com>
Signed-off-by: Nikunj A Dadhania <nik...@linux.vnet.ibm.com>
Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
---
target/ppc/fpu_helper.c | 23 +++++++++++++++++++++++
target/ppc/helper.h | 2 ++
target/ppc/translate/vsx-impl.inc.c | 2 ++
target/ppc/translate/vsx-ops.inc.c | 2 ++
4 files changed, 29 insertions(+)
diff --git a/target/ppc/fpu_helper.c b/target/ppc/fpu_helper.c
index 3b867cf..1ccd5e6 100644
--- a/target/ppc/fpu_helper.c
+++ b/target/ppc/fpu_helper.c
@@ -2869,3 +2869,26 @@ uint64_t helper_xsrsp(CPUPPCState *env, uint64_t xb)
float_check_status(env);
return xt;
}
+
+#define VSX_XXPERM(op, indexed) \
+void helper_##op(CPUPPCState *env, uint32_t opcode) \
+{ \
+ ppc_vsr_t xt, xa, pcv, xto; \
+ int i, idx; \
+ \
+ getVSR(xA(opcode), &xa, env); \
+ getVSR(xT(opcode), &xt, env); \
+ getVSR(xB(opcode), &pcv, env); \
+ \
+ for (i = 0; i < 16; i++) { \
+ idx = pcv.VsrB(i) & 0x1F; \
+ if (indexed) { \
+ idx = 31 - idx; \
+ } \
+ xto.VsrB(i) = (idx <= 15) ? xa.VsrB(idx) : xt.VsrB(idx - 16); \
+ } \
+ putVSR(xT(opcode), &xto, env); \
+}
+
+VSX_XXPERM(xxperm, 0)
+VSX_XXPERM(xxpermr, 1)
diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index bc39efb..c3df982 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -532,6 +532,8 @@ DEF_HELPER_2(xvrspic, void, env, i32)
DEF_HELPER_2(xvrspim, void, env, i32)
DEF_HELPER_2(xvrspip, void, env, i32)
DEF_HELPER_2(xvrspiz, void, env, i32)
+DEF_HELPER_2(xxperm, void, env, i32)
+DEF_HELPER_2(xxpermr, void, env, i32)
DEF_HELPER_2(efscfsi, i32, env, i32)
DEF_HELPER_2(efscfui, i32, env, i32)
diff --git a/target/ppc/translate/vsx-impl.inc.c
b/target/ppc/translate/vsx-impl.inc.c
index 90d26a2..7000035 100644
--- a/target/ppc/translate/vsx-impl.inc.c
+++ b/target/ppc/translate/vsx-impl.inc.c
@@ -883,6 +883,8 @@ GEN_VSX_HELPER_2(xvrspic, 0x16, 0x0A, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvrspim, 0x12, 0x0B, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvrspip, 0x12, 0x0A, 0, PPC2_VSX)
GEN_VSX_HELPER_2(xvrspiz, 0x12, 0x09, 0, PPC2_VSX)
+GEN_VSX_HELPER_2(xxperm, 0x08, 0x03, 0, PPC2_ISA300)
+GEN_VSX_HELPER_2(xxpermr, 0x08, 0x07, 0, PPC2_ISA300)
static void gen_xxbrd(DisasContext *ctx)
{
diff --git a/target/ppc/translate/vsx-ops.inc.c
b/target/ppc/translate/vsx-ops.inc.c
index 68fa171..f684066 100644
--- a/target/ppc/translate/vsx-ops.inc.c
+++ b/target/ppc/translate/vsx-ops.inc.c
@@ -267,6 +267,8 @@ VSX_LOGICAL(xxlnand, 0x8, 0x16, PPC2_VSX207),
VSX_LOGICAL(xxlorc, 0x8, 0x15, PPC2_VSX207),
GEN_XX3FORM(xxmrghw, 0x08, 0x02, PPC2_VSX),
GEN_XX3FORM(xxmrglw, 0x08, 0x06, PPC2_VSX),
+GEN_XX3FORM(xxperm, 0x08, 0x03, PPC2_ISA300),
+GEN_XX3FORM(xxpermr, 0x08, 0x07, PPC2_ISA300),
GEN_XX2FORM(xxspltw, 0x08, 0x0A, PPC2_VSX),
GEN_XX1FORM(xxspltib, 0x08, 0x0B, PPC2_ISA300),
GEN_XX3FORM_DM(xxsldwi, 0x08, 0x00),
--
2.9.3
