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[174.21.70.228]) by smtp.gmail.com with ESMTPSA id a129sm2422599pfa.118.2021.06.04.13.12.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Jun 2021 13:12:13 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL 04/15] tcg/arm: Implement tcg_out_mov for vector types Date: Fri, 4 Jun 2021 13:11:59 -0700 Message-Id: <20210604201210.920136-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210604201210.920136-1-richard.henderson@linaro.org> References: <20210604201210.920136-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1031; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1031.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, 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-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: Peter Maydell Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- tcg/arm/tcg-target.c.inc | 52 +++++++++++++++++++++++++++++++++++----- 1 file changed, 46 insertions(+), 6 deletions(-) diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc index c6cfb83308..a802d4b585 100644 --- a/tcg/arm/tcg-target.c.inc +++ b/tcg/arm/tcg-target.c.inc @@ -173,6 +173,8 @@ typedef enum { /* Otherwise the assembler uses mov r0,r0 */ INSN_NOP_v4 = (COND_AL << 28) | ARITH_MOV, + INSN_VORR = 0xf2200110, + INSN_VLD1 = 0xf4200000, /* VLD1 (multiple single elements) */ INSN_VST1 = 0xf4000000, /* VST1 (multiple single elements) */ } ARMInsn; @@ -1106,6 +1108,25 @@ static uint32_t encode_vd(TCGReg rd) return (extract32(rd, 3, 1) << 22) | (extract32(rd, 0, 3) << 13); } +static uint32_t encode_vn(TCGReg rn) +{ + tcg_debug_assert(rn >= TCG_REG_Q0); + return (extract32(rn, 3, 1) << 7) | (extract32(rn, 0, 3) << 17); +} + +static uint32_t encode_vm(TCGReg rm) +{ + tcg_debug_assert(rm >= TCG_REG_Q0); + return (extract32(rm, 3, 1) << 5) | (extract32(rm, 0, 3) << 1); +} + +static void tcg_out_vreg3(TCGContext *s, ARMInsn insn, int q, int vece, + TCGReg d, TCGReg n, TCGReg m) +{ + tcg_out32(s, insn | (vece << 20) | (q << 6) | + encode_vd(d) | encode_vn(n) | encode_vm(m)); +} + static void tcg_out_vldst(TCGContext *s, ARMInsn insn, TCGReg rd, TCGReg rn, int offset) { @@ -2276,16 +2297,35 @@ static inline bool tcg_out_sti(TCGContext *s, TCGType type, TCGArg val, return false; } -static inline bool tcg_out_mov(TCGContext *s, TCGType type, - TCGReg ret, TCGReg arg) +static bool tcg_out_mov(TCGContext *s, TCGType type, TCGReg ret, TCGReg arg) { - tcg_out_mov_reg(s, COND_AL, ret, arg); - return true; + if (ret == arg) { + return true; + } + switch (type) { + case TCG_TYPE_I32: + if (ret < TCG_REG_Q0 && arg < TCG_REG_Q0) { + tcg_out_mov_reg(s, COND_AL, ret, arg); + return true; + } + return false; + + case TCG_TYPE_V64: + case TCG_TYPE_V128: + /* "VMOV D,N" is an alias for "VORR D,N,N". */ + tcg_out_vreg3(s, INSN_VORR, type - TCG_TYPE_V64, 0, ret, arg, arg); + return true; + + default: + g_assert_not_reached(); + } } -static inline void tcg_out_movi(TCGContext *s, TCGType type, - TCGReg ret, tcg_target_long arg) +static void tcg_out_movi(TCGContext *s, TCGType type, + TCGReg ret, tcg_target_long arg) { + tcg_debug_assert(type == TCG_TYPE_I32); + tcg_debug_assert(ret < TCG_REG_Q0); tcg_out_movi32(s, COND_AL, ret, arg); } -- 2.25.1