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[51.195.37.164]) by smtp.gmail.com with ESMTPSA id f27sm8126432pfq.78.2021.09.17.23.29.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Sep 2021 23:29:30 -0700 (PDT) From: Eric Tang To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC 08/10] target/riscv: rvb: add bit-matrix instructions Date: Sat, 18 Sep 2021 14:28:14 +0800 Message-Id: <20210918062816.7546-9-tangxingxin1008@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210918062816.7546-1-tangxingxin1008@gmail.com> References: <20210918062816.7546-1-tangxingxin1008@gmail.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::433; envelope-from=tangxingxin1008@gmail.com; helo=mail-pf1-x433.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Sat, 18 Sep 2021 04:21:04 -0400 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: alistair.francis@wdc.com, bin.meng@windriver.com, palmer@dabbelt.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Eric Tang diff --git a/target/riscv/bitmanip_helper.c b/target/riscv/bitmanip_helper.c index 469145ffa9..e936444c12 100644 --- a/target/riscv/bitmanip_helper.c +++ b/target/riscv/bitmanip_helper.c @@ -327,3 +327,78 @@ target_ulong HELPER(crc32c_d)(target_ulong rs1) { return do_crc32c(rs1, 64); } + +static target_ulong do_bmatflip(target_ulong rs1, + int bits) +{ + target_ulong x = rs1; + for (int i = 0; i < 3; i++) { + x = do_shfl(x, 31, bits); + } + return x; +} + +static target_ulong do_bmatxor(target_ulong rs1, + target_ulong rs2, + int bits) +{ + int i; + uint8_t u[8]; + uint8_t v[8]; + uint64_t x = 0; + + target_ulong rs2t = do_bmatflip(rs2, bits); + + for (i = 0; i < 8; i++) { + u[i] = rs1 >> (i * 8); + v[i] = rs2t >> (i * 8); + } + + for (int i = 0; i < 64; i++) { + if (__builtin_popcount(u[i / 8] & v[i % 8]) & 1) { + x |= 1LL << i; + } + } + + return x; +} + +static target_ulong do_bmator(target_ulong rs1, + target_ulong rs2, + int bits) +{ + int i; + uint8_t u[8]; + uint8_t v[8]; + uint64_t x = 0; + + target_ulong rs2t = do_bmatflip(rs2, bits); + + for (i = 0; i < 8; i++) { + u[i] = rs1 >> (i * 8); + v[i] = rs2t >> (i * 8); + } + + for (int i = 0; i < 64; i++) { + if ((u[i / 8] & v[i % 8]) != 0) { + x |= 1LL << i; + } + } + + return x; +} + +target_ulong HELPER(bmatflip)(target_ulong rs1) +{ + return do_bmatflip(rs1, TARGET_LONG_BITS); +} + +target_ulong HELPER(bmatxor)(target_ulong rs1, target_ulong rs2) +{ + return do_bmatxor(rs1, rs2, TARGET_LONG_BITS); +} + +target_ulong HELPER(bmator)(target_ulong rs1, target_ulong rs2) +{ + return do_bmator(rs1, rs2, TARGET_LONG_BITS); +} diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 9654d6f7a7..8c8fb71bb4 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -84,6 +84,9 @@ DEF_HELPER_FLAGS_1(crc32c_b, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(crc32c_h, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(crc32c_w, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(crc32c_d, TCG_CALL_NO_RWG_SE, tl, tl) +DEF_HELPER_FLAGS_2(bmatxor, TCG_CALL_NO_RWG_SE, tl, tl, tl) +DEF_HELPER_FLAGS_2(bmator, TCG_CALL_NO_RWG_SE, tl, tl, tl) +DEF_HELPER_FLAGS_1(bmatflip, TCG_CALL_NO_RWG_SE, tl, tl) /* Special functions */ DEF_HELPER_2(csrr, tl, env, int) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index b08e38823b..73f956486b 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -730,6 +730,7 @@ unshfli 000010 ........... 101 ..... 0010011 @sh6 clzw 0110000 00000 ..... 001 ..... 0011011 @r2 ctzw 0110000 00001 ..... 001 ..... 0011011 @r2 cpopw 0110000 00010 ..... 001 ..... 0011011 @r2 +bmatflip 0110000 00011 ..... 001 ..... 0010011 @r2 packw 0000100 .......... 100 ..... 0111011 @r packuw 0100100 .......... 100 ..... 0111011 @r @@ -751,6 +752,8 @@ shflw 0000100 .......... 001 ..... 0111011 @r unshflw 0000100 .......... 101 ..... 0111011 @r xperm_w 0010100 .......... 000 ..... 0110011 @r bfpw 0100100 .......... 111 ..... 0111011 @r +bmator 0000100 .......... 011 ..... 0110011 @r +bmatxor 0100100 .......... 011 ..... 0110011 @r bsetiw 0010100 .......... 001 ..... 0011011 @sh5 bclriw 0100100 .......... 001 ..... 0011011 @sh5 diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_trans/trans_rvb.c.inc index 0d734bfd10..39ca5a573f 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -805,3 +805,24 @@ static bool trans_bfpw(DisasContext *ctx, arg_bfpw *a) ctx->w = true; return gen_arith(ctx, a, EXT_NONE, gen_helper_bfpw); } + +static bool trans_bmatflip(DisasContext *ctx, arg_bmatflip *a) +{ + REQUIRE_64BIT(ctx); + REQUIRE_EXT(ctx, RVB); + return gen_unary(ctx, a, EXT_NONE, gen_helper_bmatflip); +} + +static bool trans_bmatxor(DisasContext *ctx, arg_bmatxor *a) +{ + REQUIRE_64BIT(ctx); + REQUIRE_EXT(ctx, RVB); + return gen_arith(ctx, a, EXT_NONE, gen_helper_bmatxor); +} + +static bool trans_bmator(DisasContext *ctx, arg_bmator *a) +{ + REQUIRE_64BIT(ctx); + REQUIRE_EXT(ctx, RVB); + return gen_arith(ctx, a, EXT_NONE, gen_helper_bmator); +} -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.90_1) id 1mRVbr-0003Cs-Nr for mharc-qemu-riscv@gnu.org; Sat, 18 Sep 2021 04:22:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48942) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mRTqw-0002yb-01; Sat, 18 Sep 2021 02:29:34 -0400 Received: from mail-pf1-x433.google.com ([2607:f8b0:4864:20::433]:35839) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mRTqu-0003og-Bc; 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[51.195.37.164]) by smtp.gmail.com with ESMTPSA id f27sm8126432pfq.78.2021.09.17.23.29.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Sep 2021 23:29:30 -0700 (PDT) From: Eric Tang To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com Subject: [RFC 08/10] target/riscv: rvb: add bit-matrix instructions Date: Sat, 18 Sep 2021 14:28:14 +0800 Message-Id: <20210918062816.7546-9-tangxingxin1008@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210918062816.7546-1-tangxingxin1008@gmail.com> References: <20210918062816.7546-1-tangxingxin1008@gmail.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::433; envelope-from=tangxingxin1008@gmail.com; helo=mail-pf1-x433.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Sat, 18 Sep 2021 04:22:07 -0400 X-BeenThere: qemu-riscv@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 18 Sep 2021 06:29:34 -0000 Signed-off-by: Eric Tang diff --git a/target/riscv/bitmanip_helper.c b/target/riscv/bitmanip_helper.c index 469145ffa9..e936444c12 100644 --- a/target/riscv/bitmanip_helper.c +++ b/target/riscv/bitmanip_helper.c @@ -327,3 +327,78 @@ target_ulong HELPER(crc32c_d)(target_ulong rs1) { return do_crc32c(rs1, 64); } + +static target_ulong do_bmatflip(target_ulong rs1, + int bits) +{ + target_ulong x = rs1; + for (int i = 0; i < 3; i++) { + x = do_shfl(x, 31, bits); + } + return x; +} + +static target_ulong do_bmatxor(target_ulong rs1, + target_ulong rs2, + int bits) +{ + int i; + uint8_t u[8]; + uint8_t v[8]; + uint64_t x = 0; + + target_ulong rs2t = do_bmatflip(rs2, bits); + + for (i = 0; i < 8; i++) { + u[i] = rs1 >> (i * 8); + v[i] = rs2t >> (i * 8); + } + + for (int i = 0; i < 64; i++) { + if (__builtin_popcount(u[i / 8] & v[i % 8]) & 1) { + x |= 1LL << i; + } + } + + return x; +} + +static target_ulong do_bmator(target_ulong rs1, + target_ulong rs2, + int bits) +{ + int i; + uint8_t u[8]; + uint8_t v[8]; + uint64_t x = 0; + + target_ulong rs2t = do_bmatflip(rs2, bits); + + for (i = 0; i < 8; i++) { + u[i] = rs1 >> (i * 8); + v[i] = rs2t >> (i * 8); + } + + for (int i = 0; i < 64; i++) { + if ((u[i / 8] & v[i % 8]) != 0) { + x |= 1LL << i; + } + } + + return x; +} + +target_ulong HELPER(bmatflip)(target_ulong rs1) +{ + return do_bmatflip(rs1, TARGET_LONG_BITS); +} + +target_ulong HELPER(bmatxor)(target_ulong rs1, target_ulong rs2) +{ + return do_bmatxor(rs1, rs2, TARGET_LONG_BITS); +} + +target_ulong HELPER(bmator)(target_ulong rs1, target_ulong rs2) +{ + return do_bmator(rs1, rs2, TARGET_LONG_BITS); +} diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 9654d6f7a7..8c8fb71bb4 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -84,6 +84,9 @@ DEF_HELPER_FLAGS_1(crc32c_b, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(crc32c_h, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(crc32c_w, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(crc32c_d, TCG_CALL_NO_RWG_SE, tl, tl) +DEF_HELPER_FLAGS_2(bmatxor, TCG_CALL_NO_RWG_SE, tl, tl, tl) +DEF_HELPER_FLAGS_2(bmator, TCG_CALL_NO_RWG_SE, tl, tl, tl) +DEF_HELPER_FLAGS_1(bmatflip, TCG_CALL_NO_RWG_SE, tl, tl) /* Special functions */ DEF_HELPER_2(csrr, tl, env, int) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index b08e38823b..73f956486b 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -730,6 +730,7 @@ unshfli 000010 ........... 101 ..... 0010011 @sh6 clzw 0110000 00000 ..... 001 ..... 0011011 @r2 ctzw 0110000 00001 ..... 001 ..... 0011011 @r2 cpopw 0110000 00010 ..... 001 ..... 0011011 @r2 +bmatflip 0110000 00011 ..... 001 ..... 0010011 @r2 packw 0000100 .......... 100 ..... 0111011 @r packuw 0100100 .......... 100 ..... 0111011 @r @@ -751,6 +752,8 @@ shflw 0000100 .......... 001 ..... 0111011 @r unshflw 0000100 .......... 101 ..... 0111011 @r xperm_w 0010100 .......... 000 ..... 0110011 @r bfpw 0100100 .......... 111 ..... 0111011 @r +bmator 0000100 .......... 011 ..... 0110011 @r +bmatxor 0100100 .......... 011 ..... 0110011 @r bsetiw 0010100 .......... 001 ..... 0011011 @sh5 bclriw 0100100 .......... 001 ..... 0011011 @sh5 diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_trans/trans_rvb.c.inc index 0d734bfd10..39ca5a573f 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -805,3 +805,24 @@ static bool trans_bfpw(DisasContext *ctx, arg_bfpw *a) ctx->w = true; return gen_arith(ctx, a, EXT_NONE, gen_helper_bfpw); } + +static bool trans_bmatflip(DisasContext *ctx, arg_bmatflip *a) +{ + REQUIRE_64BIT(ctx); + REQUIRE_EXT(ctx, RVB); + return gen_unary(ctx, a, EXT_NONE, gen_helper_bmatflip); +} + +static bool trans_bmatxor(DisasContext *ctx, arg_bmatxor *a) +{ + REQUIRE_64BIT(ctx); + REQUIRE_EXT(ctx, RVB); + return gen_arith(ctx, a, EXT_NONE, gen_helper_bmatxor); +} + +static bool trans_bmator(DisasContext *ctx, arg_bmator *a) +{ + REQUIRE_64BIT(ctx); + REQUIRE_EXT(ctx, RVB); + return gen_arith(ctx, a, EXT_NONE, gen_helper_bmator); +} -- 2.17.1