target-ppc: Add xxinsertw instruction
xxinsertw: VSX Vector Insert Word Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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@ -536,6 +536,7 @@ DEF_HELPER_2(xvrspiz, void, env, i32)
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DEF_HELPER_2(xxperm, void, env, i32)
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DEF_HELPER_2(xxpermr, void, env, i32)
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DEF_HELPER_4(xxextractuw, void, env, tl, tl, i32)
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DEF_HELPER_4(xxinsertw, void, env, tl, tl, i32)
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DEF_HELPER_2(efscfsi, i32, env, i32)
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DEF_HELPER_2(efscfui, i32, env, i32)
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@ -2027,6 +2027,31 @@ void helper_xxextractuw(CPUPPCState *env, target_ulong xtn,
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putVSR(xtn, &xt, env);
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}
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void helper_xxinsertw(CPUPPCState *env, target_ulong xtn,
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target_ulong xbn, uint32_t index)
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{
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ppc_vsr_t xt, xb;
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size_t es = sizeof(uint32_t);
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int ins_index, i = 0;
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getVSR(xbn, &xb, env);
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getVSR(xtn, &xt, env);
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#if defined(HOST_WORDS_BIGENDIAN)
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ins_index = index;
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for (i = 0; i < es && ins_index < 16; i++, ins_index++) {
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xt.u8[ins_index] = xb.u8[8 - es + i];
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}
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#else
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ins_index = 15 - index;
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for (i = es - 1; i >= 0 && ins_index >= 0; i--, ins_index--) {
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xt.u8[ins_index] = xb.u8[8 + i];
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}
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#endif
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putVSR(xtn, &xt, env);
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}
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#define VEXT_SIGNED(name, element, mask, cast, recast) \
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void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \
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{ \
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@ -1180,7 +1180,7 @@ static void gen_xxsldwi(DisasContext *ctx)
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tcg_temp_free_i64(xtl);
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}
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#define VSX_EXTRACT(name) \
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#define VSX_EXTRACT_INSERT(name) \
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static void gen_##name(DisasContext *ctx) \
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{ \
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TCGv xt, xb; \
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@ -1208,7 +1208,8 @@ static void gen_##name(DisasContext *ctx) \
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tcg_temp_free_i32(t0); \
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}
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VSX_EXTRACT(xxextractuw)
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VSX_EXTRACT_INSERT(xxextractuw)
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VSX_EXTRACT_INSERT(xxinsertw)
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#undef GEN_XX2FORM
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#undef GEN_XX3FORM
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@ -285,6 +285,7 @@ GEN_XX2FORM(xxspltw, 0x08, 0x0A, PPC2_VSX),
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GEN_XX1FORM(xxspltib, 0x08, 0x0B, PPC2_ISA300),
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GEN_XX3FORM_DM(xxsldwi, 0x08, 0x00),
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GEN_XX2FORM_EXT(xxextractuw, 0x0A, 0x0A, PPC2_ISA300),
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GEN_XX2FORM_EXT(xxinsertw, 0x0A, 0x0B, PPC2_ISA300),
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#define GEN_XXSEL_ROW(opc3) \
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GEN_HANDLER2_E(xxsel, "xxsel", 0x3C, 0x18, opc3, 0, PPC_NONE, PPC2_VSX), \
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