summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--target/ppc/helper.h1
-rw-r--r--target/ppc/int_helper.c26
-rw-r--r--target/ppc/translate/vsx-impl.inc.c30
-rw-r--r--target/ppc/translate/vsx-ops.inc.c5
4 files changed, 62 insertions, 0 deletions
diff --git a/target/ppc/helper.h b/target/ppc/helper.h
index 1fe56bf593..ead799c811 100644
--- a/target/ppc/helper.h
+++ b/target/ppc/helper.h
@@ -535,6 +535,7 @@ 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_4(xxextractuw, void, env, tl, tl, i32)
DEF_HELPER_2(efscfsi, i32, env, i32)
DEF_HELPER_2(efscfui, i32, env, i32)
diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c
index 14eb4e4926..07832baff0 100644
--- a/target/ppc/int_helper.c
+++ b/target/ppc/int_helper.c
@@ -2001,6 +2001,32 @@ VEXTRACT(uw, u32)
VEXTRACT(d, u64)
#undef VEXTRACT
+void helper_xxextractuw(CPUPPCState *env, target_ulong xtn,
+ target_ulong xbn, uint32_t index)
+{
+ ppc_vsr_t xt, xb;
+ size_t es = sizeof(uint32_t);
+ uint32_t ext_index;
+ int i;
+
+ getVSR(xbn, &xb, env);
+ memset(&xt, 0, sizeof(xt));
+
+#if defined(HOST_WORDS_BIGENDIAN)
+ ext_index = index;
+ for (i = 0; i < es; i++, ext_index++) {
+ xt.u8[8 - es + i] = xb.u8[ext_index % 16];
+ }
+#else
+ ext_index = 15 - index;
+ for (i = es - 1; i >= 0; i--, ext_index--) {
+ xt.u8[8 + i] = xb.u8[ext_index % 16];
+ }
+#endif
+
+ putVSR(xtn, &xt, env);
+}
+
#define VEXT_SIGNED(name, element, mask, cast, recast) \
void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \
{ \
diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c
index 2a17c35d6a..7977f24e81 100644
--- a/target/ppc/translate/vsx-impl.inc.c
+++ b/target/ppc/translate/vsx-impl.inc.c
@@ -1180,6 +1180,36 @@ static void gen_xxsldwi(DisasContext *ctx)
tcg_temp_free_i64(xtl);
}
+#define VSX_EXTRACT(name) \
+static void gen_##name(DisasContext *ctx) \
+{ \
+ TCGv xt, xb; \
+ TCGv_i32 t0 = tcg_temp_new_i32(); \
+ uint8_t uimm = UIMM4(ctx->opcode); \
+ \
+ if (unlikely(!ctx->vsx_enabled)) { \
+ gen_exception(ctx, POWERPC_EXCP_VSXU); \
+ return; \
+ } \
+ xt = tcg_const_tl(xT(ctx->opcode)); \
+ xb = tcg_const_tl(xB(ctx->opcode)); \
+ /* uimm > 15 out of bound and for \
+ * uimm > 12 handle as per hardware in helper \
+ */ \
+ if (uimm > 15) { \
+ tcg_gen_movi_i64(cpu_vsrh(xT(ctx->opcode)), 0); \
+ tcg_gen_movi_i64(cpu_vsrl(xT(ctx->opcode)), 0); \
+ return; \
+ } \
+ tcg_gen_movi_i32(t0, uimm); \
+ gen_helper_##name(cpu_env, xt, xb, t0); \
+ tcg_temp_free(xb); \
+ tcg_temp_free(xt); \
+ tcg_temp_free_i32(t0); \
+}
+
+VSX_EXTRACT(xxextractuw)
+
#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 46b95e3af7..473d9253a1 100644
--- a/target/ppc/translate/vsx-ops.inc.c
+++ b/target/ppc/translate/vsx-ops.inc.c
@@ -49,6 +49,10 @@ GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0, PPC_NONE, fl2)
GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0, opc3, 0, PPC_NONE, fl2), \
GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0, PPC_NONE, fl2)
+#define GEN_XX2FORM_EXT(name, opc2, opc3, fl2) \
+GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 0, opc3, 0x00100000, PPC_NONE, fl2), \
+GEN_HANDLER2_E(name, #name, 0x3C, opc2 | 1, opc3, 0x00100000, PPC_NONE, fl2)
+
#define GEN_XX2FORM_EO(name, opc2, opc3, opc4, fl2) \
GEN_HANDLER2_E_2(name, #name, 0x3C, opc2 | 0, opc3, opc4, 0, PPC_NONE, fl2), \
GEN_HANDLER2_E_2(name, #name, 0x3C, opc2 | 1, opc3, opc4, 0, PPC_NONE, fl2)
@@ -280,6 +284,7 @@ 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),
+GEN_XX2FORM_EXT(xxextractuw, 0x0A, 0x0A, PPC2_ISA300),
#define GEN_XXSEL_ROW(opc3) \
GEN_HANDLER2_E(xxsel, "xxsel", 0x3C, 0x18, opc3, 0, PPC_NONE, PPC2_VSX), \