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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=199.106.114.38; envelope-from=steplong@quicinc.com; helo=alexa-out-sd-01.qualcomm.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/30 12:28:45 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Received-From: 199.106.114.38 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm@nongnu.org, richard.henderson@linaro.org, apazos@quicinc.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @qualcomm.onmicrosoft.com) Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Implements SQSHL/UQSHL, SRSHR/URSHR, and SQSHLU Signed-off-by: Stephen Long --- I'm not too sure about the casting I'm doing willy nilly in the helper functions, but I think they should be ok. Also, there might be some avenues for optimization when translating similar to asr_zpzi and lsl_zpzi. target/arm/helper-sve.h | 29 +++++++++++++++++++++++++++++ target/arm/sve.decode | 7 +++++++ target/arm/sve_helper.c | 30 ++++++++++++++++++++++++++++-- target/arm/translate-sve.c | 19 +++++++++++++++++++ 4 files changed, 83 insertions(+), 2 deletions(-) diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h index 0a62eef94e..c71f3e1f39 100644 --- a/target/arm/helper-sve.h +++ b/target/arm/helper-sve.h @@ -2731,3 +2731,32 @@ DEF_HELPER_FLAGS_5(sve2_sqrdcmlah_idx_h, TCG_CALL_NO= _RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(sve2_sqrdcmlah_idx_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_4(sve2_sqshl_zpzi_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) +DEF_HELPER_FLAGS_4(sve2_sqshl_zpzi_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) +DEF_HELPER_FLAGS_4(sve2_sqshl_zpzi_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) +DEF_HELPER_FLAGS_4(sve2_sqshl_zpzi_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) + +DEF_HELPER_FLAGS_4(sve2_uqshl_zpzi_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) +DEF_HELPER_FLAGS_4(sve2_uqshl_zpzi_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) +DEF_HELPER_FLAGS_4(sve2_uqshl_zpzi_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) +DEF_HELPER_FLAGS_4(sve2_uqshl_zpzi_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) + +DEF_HELPER_FLAGS_4(sve2_srshr_zpzi_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) +DEF_HELPER_FLAGS_4(sve2_srshr_zpzi_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) +DEF_HELPER_FLAGS_4(sve2_srshr_zpzi_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) +DEF_HELPER_FLAGS_4(sve2_srshr_zpzi_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) + +DEF_HELPER_FLAGS_4(sve2_urshr_zpzi_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) +DEF_HELPER_FLAGS_4(sve2_urshr_zpzi_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) +DEF_HELPER_FLAGS_4(sve2_urshr_zpzi_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) +DEF_HELPER_FLAGS_4(sve2_urshr_zpzi_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr= , i32) + +DEF_HELPER_FLAGS_4(sve2_sqshlu_zpzi_b, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_sqshlu_zpzi_h, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_sqshlu_zpzi_s, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_sqshlu_zpzi_d, TCG_CALL_NO_RWG, + void, ptr, ptr, ptr, i32) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 3cf824bac5..a9cfbc80ab 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1568,3 +1568,10 @@ SM4E 01000101 00 10001 1 11100 0 ..... ..= ... @rdn_rm_e0 # SVE2 crypto constructive binary operations SM4EKEY 01000101 00 1 ..... 11110 0 ..... ..... @rd_rn_rm_e0 RAX1 01000101 00 1 ..... 11110 1 ..... ..... @rd_rn_rm_e0 + +### SVE2 bitwise shift by immediate (predicated) +SQSHL_zpzi 00000100 .. 000 110 100 ... .. ... ..... @rdn_pg_tszimm_s= hl +UQSHL_zpzi 00000100 .. 000 111 100 ... .. ... ..... @rdn_pg_tszimm_s= hl +SRSHR_zpzi 00000100 .. 001 100 100 ... .. ... ..... @rdn_pg_tszimm_s= hr +URSHR_zpzi 00000100 .. 001 101 100 ... .. ... ..... @rdn_pg_tszimm_s= hr +SQSHLU_zpzi 00000100 .. 001 111 100 ... .. ... ..... @rdn_pg_tszimm_s= hl diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index aa94df302a..1982d29a1e 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -2218,6 +2218,34 @@ DO_ZPZI(sve_asrd_h, int16_t, H1_2, DO_ASRD) DO_ZPZI(sve_asrd_s, int32_t, H1_4, DO_ASRD) DO_ZPZI_D(sve_asrd_d, int64_t, DO_ASRD) =20 +#define DO_RSHR(x, sh) ((x >> sh) + ((x >> (sh - 1)) & 1)) + +/* SVE2 bitwise shift by immediate */ +DO_ZPZI(sve2_sqshl_zpzi_b, int8_t, H1, do_sqshl_b) +DO_ZPZI(sve2_sqshl_zpzi_h, int16_t, H1_2, do_sqshl_h) +DO_ZPZI(sve2_sqshl_zpzi_s, int32_t, H1_4, do_sqshl_s) +DO_ZPZI_D(sve2_sqshl_zpzi_d, int64_t, do_sqshl_d) + +DO_ZPZI(sve2_uqshl_zpzi_b, uint8_t, H1, do_uqshl_b) +DO_ZPZI(sve2_uqshl_zpzi_h, uint16_t, H1_2, do_uqshl_h) +DO_ZPZI(sve2_uqshl_zpzi_s, uint32_t, H1_4, do_uqshl_s) +DO_ZPZI_D(sve2_uqshl_zpzi_d, uint64_t, do_uqshl_d) + +DO_ZPZI(sve2_srshr_zpzi_b, int8_t, H1, DO_RSHR) +DO_ZPZI(sve2_srshr_zpzi_h, int16_t, H1_2, DO_RSHR) +DO_ZPZI(sve2_srshr_zpzi_s, int32_t, H1_4, DO_RSHR) +DO_ZPZI_D(sve2_srshr_zpzi_d, int64_t, DO_RSHR) + +DO_ZPZI(sve2_urshr_zpzi_b, uint8_t, H1, DO_RSHR) +DO_ZPZI(sve2_urshr_zpzi_h, uint16_t, H1_2, DO_RSHR) +DO_ZPZI(sve2_urshr_zpzi_s, uint32_t, H1_4, DO_RSHR) +DO_ZPZI_D(sve2_urshr_zpzi_d, uint64_t, DO_RSHR) + +DO_ZPZI(sve2_sqshlu_zpzi_b, int8_t, H1, do_uqshl_b) +DO_ZPZI(sve2_sqshlu_zpzi_h, int16_t, H1_2, do_uqshl_h) +DO_ZPZI(sve2_sqshlu_zpzi_s, int32_t, H1_4, do_uqshl_s) +DO_ZPZI_D(sve2_sqshlu_zpzi_d, int64_t, do_uqshl_d) + #undef DO_ASRD #undef DO_ZPZI #undef DO_ZPZI_D @@ -2252,8 +2280,6 @@ DO_SHRNT(sve2_shrnt_h, uint16_t, uint8_t, H1_2, H1, D= O_SHR) DO_SHRNT(sve2_shrnt_s, uint32_t, uint16_t, H1_4, H1_2, DO_SHR) DO_SHRNT(sve2_shrnt_d, uint64_t, uint32_t, , H1_4, DO_SHR) =20 -#define DO_RSHR(x, sh) ((x >> sh) + ((x >> (sh - 1)) & 1)) - DO_SHRNB(sve2_rshrnb_h, uint16_t, uint8_t, DO_RSHR) DO_SHRNB(sve2_rshrnb_s, uint32_t, uint16_t, DO_RSHR) DO_SHRNB(sve2_rshrnb_d, uint64_t, uint32_t, DO_RSHR) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index a8e57ea5f4..d74fcf4e75 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -8253,3 +8253,22 @@ static bool trans_RAX1(DisasContext *s, arg_rrr_esz = *a) } return true; } + +#define DO_SVE2_ZPZI(NAME, name) \ +static bool trans_##NAME(DisasContext *s, arg_rpri_esz *a) \ +{ \ + static gen_helper_gvec_3 * const fns[] =3D { \ + gen_helper_sve2_##name##_b, gen_helper_sve2_##name##_h, \ + gen_helper_sve2_##name##_s, gen_helper_sve2_##name##_d \ + }; \ + if (a->esz < 0 || !dc_isar_feature(aa64_sve2, s)) { \ + return false; \ + } \ + return do_zpzi_ool(s, a, fns[a->esz]); \ +} + +DO_SVE2_ZPZI(SQSHL_zpzi, sqshl_zpzi) +DO_SVE2_ZPZI(UQSHL_zpzi, uqshl_zpzi) +DO_SVE2_ZPZI(SRSHR_zpzi, srshr_zpzi) +DO_SVE2_ZPZI(URSHR_zpzi, urshr_zpzi) +DO_SVE2_ZPZI(SQSHLU_zpzi, sqshlu_zpzi) --=20 2.17.1