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https://github.com/yuzu-emu/unicorn.git
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target/arm: Implement SVE reverse within elements
Backports commit dae8fb9019d2aa6ccb151a19871df40de6c98e29 from qemu
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@ -3444,11 +3444,21 @@
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#define helper_sve_predtest helper_sve_predtest_aarch64
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#define helper_sve_predtest1 helper_sve_predtest1_aarch64
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#define helper_sve_punpk_p helper_sve_punpk_p_aarch64
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#define helper_sve_rbit_b helper_sve_rbit_b_aarch64
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#define helper_sve_rbit_d helper_sve_rbit_d_aarch64
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#define helper_sve_rbit_h helper_sve_rbit_h_aarch64
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#define helper_sve_rbit_s helper_sve_rbit_s_aarch64
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#define helper_sve_rev_b helper_sve_rev_b_aarch64
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#define helper_sve_rev_d helper_sve_rev_d_aarch64
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#define helper_sve_rev_h helper_sve_rev_h_aarch64
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#define helper_sve_rev_p helper_sve_rev_p_aarch64
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#define helper_sve_rev_s helper_sve_rev_s_aarch64
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#define helper_sve_revb_h helper_sve_revb_h_aarch64
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#define helper_sve_revb_d helper_sve_revb_d_aarch64
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#define helper_sve_revb_s helper_sve_revb_s_aarch64
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#define helper_sve_revh_d helper_sve_revh_d_aarch64
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#define helper_sve_revh_s helper_sve_revh_s_aarch64
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#define helper_sve_revw_d helper_sve_revw_d_aarch64
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#define helper_sve_sabd_zpzz_b helper_sve_sabd_zpzz_b_aarch64
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#define helper_sve_sabd_zpzz_d helper_sve_sabd_zpzz_d_aarch64
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#define helper_sve_sabd_zpzz_h helper_sve_sabd_zpzz_h_aarch64
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@ -3444,11 +3444,21 @@
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#define helper_sve_predtest helper_sve_predtest_aarch64eb
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#define helper_sve_predtest1 helper_sve_predtest1_aarch64eb
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#define helper_sve_punpk_p helper_sve_punpk_p_aarch64eb
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#define helper_sve_rbit_b helper_sve_rbit_b_aarch64eb
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#define helper_sve_rbit_d helper_sve_rbit_d_aarch64eb
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#define helper_sve_rbit_h helper_sve_rbit_h_aarch64eb
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#define helper_sve_rbit_s helper_sve_rbit_s_aarch64eb
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#define helper_sve_rev_b helper_sve_rev_b_aarch64eb
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#define helper_sve_rev_d helper_sve_rev_d_aarch64eb
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#define helper_sve_rev_h helper_sve_rev_h_aarch64eb
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#define helper_sve_rev_p helper_sve_rev_p_aarch64eb
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#define helper_sve_rev_s helper_sve_rev_s_aarch64eb
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#define helper_sve_revb_h helper_sve_revb_h_aarch64eb
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#define helper_sve_revb_d helper_sve_revb_d_aarch64eb
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#define helper_sve_revb_s helper_sve_revb_s_aarch64eb
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#define helper_sve_revh_d helper_sve_revh_d_aarch64eb
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#define helper_sve_revh_s helper_sve_revh_s_aarch64eb
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#define helper_sve_revw_d helper_sve_revw_d_aarch64eb
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#define helper_sve_sabd_zpzz_b helper_sve_sabd_zpzz_b_aarch64eb
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#define helper_sve_sabd_zpzz_d helper_sve_sabd_zpzz_d_aarch64eb
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#define helper_sve_sabd_zpzz_h helper_sve_sabd_zpzz_h_aarch64eb
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@ -3465,11 +3465,21 @@ aarch64_symbols = (
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'helper_sve_predtest',
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'helper_sve_predtest1',
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'helper_sve_punpk_p',
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'helper_sve_rbit_b',
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'helper_sve_rbit_d',
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'helper_sve_rbit_h',
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'helper_sve_rbit_s',
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'helper_sve_rev_b',
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'helper_sve_rev_d',
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'helper_sve_rev_h',
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'helper_sve_rev_p',
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'helper_sve_rev_s',
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'helper_sve_revb_h',
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'helper_sve_revb_d',
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'helper_sve_revb_s',
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'helper_sve_revh_d',
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'helper_sve_revh_s',
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'helper_sve_revw_d',
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'helper_sve_sabd_zpzz_b',
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'helper_sve_sabd_zpzz_d',
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'helper_sve_sabd_zpzz_h',
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@ -465,6 +465,20 @@ DEF_HELPER_FLAGS_4(sve_compact_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_2(sve_last_active_element, TCG_CALL_NO_RWG, s32, ptr, i32)
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DEF_HELPER_FLAGS_4(sve_revb_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_4(sve_revb_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_4(sve_revb_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_4(sve_revh_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_4(sve_revh_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_4(sve_revw_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_4(sve_rbit_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_4(sve_rbit_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_4(sve_rbit_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_4(sve_rbit_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_5(sve_and_pppp, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_5(sve_bic_pppp, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
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DEF_HELPER_FLAGS_5(sve_eor_pppp, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
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@ -456,6 +456,13 @@ CPY_m_v 00000101 .. 100000 100 ... ..... ..... @rd_pg_rn
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# SVE copy element from general register to vector (predicated)
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CPY_m_r 00000101 .. 101000 101 ... ..... ..... @rd_pg_rn
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# SVE reverse within elements
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# Note esz >= operation size
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REVB 00000101 .. 1001 00 100 ... ..... ..... @rd_pg_rn
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REVH 00000101 .. 1001 01 100 ... ..... ..... @rd_pg_rn
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REVW 00000101 .. 1001 10 100 ... ..... ..... @rd_pg_rn
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RBIT 00000101 .. 1001 11 100 ... ..... ..... @rd_pg_rn
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### SVE Predicate Logical Operations Group
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# SVE predicate logical operations
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@ -237,6 +237,26 @@ static inline uint64_t expand_pred_s(uint8_t byte)
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return word[byte & 0x11];
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}
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/* Swap 16-bit words within a 32-bit word. */
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static inline uint32_t hswap32(uint32_t h)
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{
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return rol32(h, 16);
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}
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/* Swap 16-bit words within a 64-bit word. */
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static inline uint64_t hswap64(uint64_t h)
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{
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uint64_t m = 0x0000ffff0000ffffull;
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h = rol64(h, 32);
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return ((h & m) << 16) | ((h >> 16) & m);
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}
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/* Swap 32-bit words within a 64-bit word. */
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static inline uint64_t wswap64(uint64_t h)
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{
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return rol64(h, 32);
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}
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#define LOGICAL_PPPP(NAME, FUNC) \
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void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \
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{ \
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@ -615,6 +635,20 @@ DO_ZPZ(sve_neg_h, uint16_t, H1_2, DO_NEG)
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DO_ZPZ(sve_neg_s, uint32_t, H1_4, DO_NEG)
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DO_ZPZ_D(sve_neg_d, uint64_t, DO_NEG)
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DO_ZPZ(sve_revb_h, uint16_t, H1_2, bswap16)
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DO_ZPZ(sve_revb_s, uint32_t, H1_4, bswap32)
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DO_ZPZ_D(sve_revb_d, uint64_t, bswap64)
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DO_ZPZ(sve_revh_s, uint32_t, H1_4, hswap32)
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DO_ZPZ_D(sve_revh_d, uint64_t, hswap64)
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DO_ZPZ_D(sve_revw_d, uint64_t, wswap64)
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DO_ZPZ(sve_rbit_b, uint8_t, H1, revbit8)
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DO_ZPZ(sve_rbit_h, uint16_t, H1_2, revbit16)
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DO_ZPZ(sve_rbit_s, uint32_t, H1_4, revbit32)
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DO_ZPZ_D(sve_rbit_d, uint64_t, revbit64)
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/* Three-operand expander, unpredicated, in which the third operand is "wide".
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*/
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#define DO_ZZW(NAME, TYPE, TYPEW, H, OP) \
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@ -1586,13 +1620,6 @@ void HELPER(sve_rev_b)(void *vd, void *vn, uint32_t desc)
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}
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}
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static inline uint64_t hswap64(uint64_t h)
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{
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uint64_t m = 0x0000ffff0000ffffull;
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h = rol64(h, 32);
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return ((h & m) << 16) | ((h >> 16) & m);
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}
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void HELPER(sve_rev_h)(void *vd, void *vn, uint32_t desc)
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{
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intptr_t i, j, opr_sz = simd_oprsz(desc);
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@ -2744,6 +2744,44 @@ static bool trans_CPY_m_v(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
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return true;
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}
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static bool trans_REVB(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
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{
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static gen_helper_gvec_3 * const fns[4] = {
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NULL,
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gen_helper_sve_revb_h,
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gen_helper_sve_revb_s,
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gen_helper_sve_revb_d,
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};
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return do_zpz_ool(s, a, fns[a->esz]);
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}
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static bool trans_REVH(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
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{
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static gen_helper_gvec_3 * const fns[4] = {
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NULL,
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NULL,
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gen_helper_sve_revh_s,
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gen_helper_sve_revh_d,
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};
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return do_zpz_ool(s, a, fns[a->esz]);
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}
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static bool trans_REVW(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
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{
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return do_zpz_ool(s, a, a->esz == 3 ? gen_helper_sve_revw_d : NULL);
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}
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static bool trans_RBIT(DisasContext *s, arg_rpr_esz *a, uint32_t insn)
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{
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static gen_helper_gvec_3 * const fns[4] = {
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gen_helper_sve_rbit_b,
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gen_helper_sve_rbit_h,
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gen_helper_sve_rbit_s,
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gen_helper_sve_rbit_d,
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};
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return do_zpz_ool(s, a, fns[a->esz]);
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}
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/*
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*** SVE Memory - 32-bit Gather and Unsized Contiguous Group
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*/
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