From 74b64b2562fc9798765f2a9b883b678666b71215 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 24 May 2021 18:03:45 -0700 Subject: [PATCH] target/arm: Implement 128-bit ZIP, UZP, TRN Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson Message-id: 20210525010358.152808-80-richard.henderson@linaro.org Signed-off-by: Peter Maydell --- target/arm/helper-sve.h | 3 ++ target/arm/sve.decode | 8 ++++++ target/arm/sve_helper.c | 29 +++++++++++++------ target/arm/translate-sve.c | 58 ++++++++++++++++++++++++++++++++++++++ 4 files changed, 90 insertions(+), 8 deletions(-) diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h index 342bb83721..b43ffce23a 100644 --- a/target/arm/helper-sve.h +++ b/target/arm/helper-sve.h @@ -689,16 +689,19 @@ DEF_HELPER_FLAGS_4(sve_zip_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_zip_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_zip_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_zip_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_zip_q, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_uzp_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_uzp_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_uzp_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_uzp_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_uzp_q, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_trn_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_trn_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_trn_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_trn_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_trn_q, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_compact_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_compact_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 884c5358eb..5469ce0414 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -590,6 +590,14 @@ UZP2_z 00000101 .. 1 ..... 011 011 ..... ..... @rd_rn_rm TRN1_z 00000101 .. 1 ..... 011 100 ..... ..... @rd_rn_rm TRN2_z 00000101 .. 1 ..... 011 101 ..... ..... @rd_rn_rm +# SVE2 permute vector segments +ZIP1_q 00000101 10 1 ..... 000 000 ..... ..... @rd_rn_rm_e0 +ZIP2_q 00000101 10 1 ..... 000 001 ..... ..... @rd_rn_rm_e0 +UZP1_q 00000101 10 1 ..... 000 010 ..... ..... @rd_rn_rm_e0 +UZP2_q 00000101 10 1 ..... 000 011 ..... ..... @rd_rn_rm_e0 +TRN1_q 00000101 10 1 ..... 000 110 ..... ..... @rd_rn_rm_e0 +TRN2_q 00000101 10 1 ..... 000 111 ..... ..... @rd_rn_rm_e0 + ### SVE Permute - Predicated Group # SVE compress active elements diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index a051854984..d088b1f74c 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -3492,36 +3492,45 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ *(TYPE *)(vd + H(2 * i + 0)) = *(TYPE *)(vn + H(i)); \ *(TYPE *)(vd + H(2 * i + sizeof(TYPE))) = *(TYPE *)(vm + H(i)); \ } \ + if (sizeof(TYPE) == 16 && unlikely(oprsz & 16)) { \ + memset(vd + oprsz - 16, 0, 16); \ + } \ } DO_ZIP(sve_zip_b, uint8_t, H1) DO_ZIP(sve_zip_h, uint16_t, H1_2) DO_ZIP(sve_zip_s, uint32_t, H1_4) DO_ZIP(sve_zip_d, uint64_t, ) +DO_ZIP(sve2_zip_q, Int128, ) #define DO_UZP(NAME, TYPE, H) \ void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ { \ intptr_t oprsz = simd_oprsz(desc); \ - intptr_t oprsz_2 = oprsz / 2; \ intptr_t odd_ofs = simd_data(desc); \ - intptr_t i; \ + intptr_t i, p; \ ARMVectorReg tmp_m; \ if (unlikely((vm - vd) < (uintptr_t)oprsz)) { \ vm = memcpy(&tmp_m, vm, oprsz); \ } \ - for (i = 0; i < oprsz_2; i += sizeof(TYPE)) { \ - *(TYPE *)(vd + H(i)) = *(TYPE *)(vn + H(2 * i + odd_ofs)); \ - } \ - for (i = 0; i < oprsz_2; i += sizeof(TYPE)) { \ - *(TYPE *)(vd + H(oprsz_2 + i)) = *(TYPE *)(vm + H(2 * i + odd_ofs)); \ - } \ + i = 0, p = odd_ofs; \ + do { \ + *(TYPE *)(vd + H(i)) = *(TYPE *)(vn + H(p)); \ + i += sizeof(TYPE), p += 2 * sizeof(TYPE); \ + } while (p < oprsz); \ + p -= oprsz; \ + do { \ + *(TYPE *)(vd + H(i)) = *(TYPE *)(vm + H(p)); \ + i += sizeof(TYPE), p += 2 * sizeof(TYPE); \ + } while (p < oprsz); \ + tcg_debug_assert(i == oprsz); \ } DO_UZP(sve_uzp_b, uint8_t, H1) DO_UZP(sve_uzp_h, uint16_t, H1_2) DO_UZP(sve_uzp_s, uint32_t, H1_4) DO_UZP(sve_uzp_d, uint64_t, ) +DO_UZP(sve2_uzp_q, Int128, ) #define DO_TRN(NAME, TYPE, H) \ void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ @@ -3535,12 +3544,16 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ *(TYPE *)(vd + H(i + 0)) = ae; \ *(TYPE *)(vd + H(i + sizeof(TYPE))) = be; \ } \ + if (sizeof(TYPE) == 16 && unlikely(oprsz & 16)) { \ + memset(vd + oprsz - 16, 0, 16); \ + } \ } DO_TRN(sve_trn_b, uint8_t, H1) DO_TRN(sve_trn_h, uint16_t, H1_2) DO_TRN(sve_trn_s, uint32_t, H1_4) DO_TRN(sve_trn_d, uint64_t, ) +DO_TRN(sve2_trn_q, Int128, ) #undef DO_ZIP #undef DO_UZP diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 1dcdbac0af..b2aa9130b6 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -2624,6 +2624,32 @@ static bool trans_ZIP2_z(DisasContext *s, arg_rrr_esz *a) return do_zip(s, a, true); } +static bool do_zip_q(DisasContext *s, arg_rrr_esz *a, bool high) +{ + if (!dc_isar_feature(aa64_sve_f64mm, s)) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz = vec_full_reg_size(s); + unsigned high_ofs = high ? QEMU_ALIGN_DOWN(vsz, 32) / 2 : 0; + tcg_gen_gvec_3_ool(vec_full_reg_offset(s, a->rd), + vec_full_reg_offset(s, a->rn) + high_ofs, + vec_full_reg_offset(s, a->rm) + high_ofs, + vsz, vsz, 0, gen_helper_sve2_zip_q); + } + return true; +} + +static bool trans_ZIP1_q(DisasContext *s, arg_rrr_esz *a) +{ + return do_zip_q(s, a, false); +} + +static bool trans_ZIP2_q(DisasContext *s, arg_rrr_esz *a) +{ + return do_zip_q(s, a, true); +} + static gen_helper_gvec_3 * const uzp_fns[4] = { gen_helper_sve_uzp_b, gen_helper_sve_uzp_h, gen_helper_sve_uzp_s, gen_helper_sve_uzp_d, @@ -2639,6 +2665,22 @@ static bool trans_UZP2_z(DisasContext *s, arg_rrr_esz *a) return do_zzz_data_ool(s, a, 1 << a->esz, uzp_fns[a->esz]); } +static bool trans_UZP1_q(DisasContext *s, arg_rrr_esz *a) +{ + if (!dc_isar_feature(aa64_sve_f64mm, s)) { + return false; + } + return do_zzz_data_ool(s, a, 0, gen_helper_sve2_uzp_q); +} + +static bool trans_UZP2_q(DisasContext *s, arg_rrr_esz *a) +{ + if (!dc_isar_feature(aa64_sve_f64mm, s)) { + return false; + } + return do_zzz_data_ool(s, a, 16, gen_helper_sve2_uzp_q); +} + static gen_helper_gvec_3 * const trn_fns[4] = { gen_helper_sve_trn_b, gen_helper_sve_trn_h, gen_helper_sve_trn_s, gen_helper_sve_trn_d, @@ -2654,6 +2696,22 @@ static bool trans_TRN2_z(DisasContext *s, arg_rrr_esz *a) return do_zzz_data_ool(s, a, 1 << a->esz, trn_fns[a->esz]); } +static bool trans_TRN1_q(DisasContext *s, arg_rrr_esz *a) +{ + if (!dc_isar_feature(aa64_sve_f64mm, s)) { + return false; + } + return do_zzz_data_ool(s, a, 0, gen_helper_sve2_trn_q); +} + +static bool trans_TRN2_q(DisasContext *s, arg_rrr_esz *a) +{ + if (!dc_isar_feature(aa64_sve_f64mm, s)) { + return false; + } + return do_zzz_data_ool(s, a, 16, gen_helper_sve2_trn_q); +} + /* *** SVE Permute Vector - Predicated Group */