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[86.222.93.116]) by smtp.gmail.com with ESMTPSA id u12sm12342714wrt.50.2021.07.11.14.00.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 Jul 2021 14:00:44 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 04/19] target/mips/tx79: Introduce PSUB* opcodes (Parallel Subtract) Date: Sun, 11 Jul 2021 23:00:01 +0200 Message-Id: <20210711210016.2710100-5-f4bug@amsat.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210711210016.2710100-1-f4bug@amsat.org> References: <20210711210016.2710100-1-f4bug@amsat.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32e; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x32e.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.248, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action 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: Mark Cave-Ayland , Fredrik Noring , Richard Henderson , =?utf-8?q?Herv=C3=A9_Pous?= =?utf-8?q?sineau?= , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Introduce the 'Parallel Subtract' opcodes: - PSUBB (Parallel Subtract Byte) - PSUBH (Parallel Subtract Halfword) - PSUBW (Parallel Subtract Word) Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <820210309145653.743937-11-f4bug@amsat.org> --- target/mips/tcg/tx79.decode | 6 ++++++ target/mips/tcg/tx79_translate.c | 19 +++++++++++++++++++ 2 files changed, 25 insertions(+) diff --git a/target/mips/tcg/tx79.decode b/target/mips/tcg/tx79.decode index 26c80b9bce5..d1c07c7d901 100644 --- a/target/mips/tcg/tx79.decode +++ b/target/mips/tcg/tx79.decode @@ -29,6 +29,12 @@ MTHI1 011100 ..... 0000000000 00000 010001 @rs MFLO1 011100 0000000000 ..... 00000 010010 @rd MTLO1 011100 ..... 0000000000 00000 010011 @rs +# MMI0 + +PSUBW 011100 ..... ..... ..... 00001 001000 @rs_rt_rd +PSUBH 011100 ..... ..... ..... 00101 001000 @rs_rt_rd +PSUBB 011100 ..... ..... ..... 01001 001000 @rs_rt_rd + # MMI2 PCPYLD 011100 ..... ..... ..... 01110 001001 @rs_rt_rd diff --git a/target/mips/tcg/tx79_translate.c b/target/mips/tcg/tx79_translate.c index 00364f10d47..3abd1d92e70 100644 --- a/target/mips/tcg/tx79_translate.c +++ b/target/mips/tcg/tx79_translate.c @@ -9,6 +9,7 @@ #include "qemu/osdep.h" #include "tcg/tcg-op.h" +#include "tcg/tcg-op-gvec.h" #include "exec/helper-gen.h" #include "translate.h" @@ -144,6 +145,24 @@ static bool trans_parallel_arith(DisasContext *ctx, arg_rtype *a, return true; } +/* Parallel Subtract Byte */ +static bool trans_PSUBB(DisasContext *ctx, arg_rtype *a) +{ + return trans_parallel_arith(ctx, a, tcg_gen_vec_sub8_i64); +} + +/* Parallel Subtract Halfword */ +static bool trans_PSUBH(DisasContext *ctx, arg_rtype *a) +{ + return trans_parallel_arith(ctx, a, tcg_gen_vec_sub16_i64); +} + +/* Parallel Subtract Word */ +static bool trans_PSUBW(DisasContext *ctx, arg_rtype *a) +{ + return trans_parallel_arith(ctx, a, tcg_gen_vec_sub32_i64); +} + /* * Min/Max (4 instructions) * ------------------------