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Mon, 03 May 2021 11:35:45 -0700 (PDT) Received: from localhost.localdomain ([71.212.144.24]) by smtp.gmail.com with ESMTPSA id q27sm4251567pfl.41.2021.05.03.11.35.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 May 2021 11:35:45 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 05/16] tcg/s390x: Implement tcg_out_ld/st for vector types Date: Mon, 3 May 2021 11:35:30 -0700 Message-Id: <20210503183541.2014496-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210503183541.2014496-1-richard.henderson@linaro.org> References: <20210503183541.2014496-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::52f; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52f.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: thuth@redhat.com, david@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Richard Henderson --- tcg/s390x/tcg-target.c.inc | 117 +++++++++++++++++++++++++++++++++---- 1 file changed, 105 insertions(+), 12 deletions(-) diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc index 52df20a1ed..6ed9a309c1 100644 --- a/tcg/s390x/tcg-target.c.inc +++ b/tcg/s390x/tcg-target.c.inc @@ -265,6 +265,12 @@ typedef enum S390Opcode { RX_STC = 0x42, RX_STH = 0x40, + VRX_VL = 0xe706, + VRX_VLLEZ = 0xe704, + VRX_VST = 0xe70e, + VRX_VSTEF = 0xe70b, + VRX_VSTEG = 0xe70a, + NOP = 0x0707, } S390Opcode; @@ -532,6 +538,26 @@ static void tcg_out_insn_RSY(TCGContext *s, S390Opcode op, TCGReg r1, #define tcg_out_insn_RX tcg_out_insn_RS #define tcg_out_insn_RXY tcg_out_insn_RSY +static int RXB(TCGReg v1, TCGReg v2, TCGReg v3, TCGReg v4) +{ + return ((v1 & 16) << (7 - 3)) + | ((v2 & 16) << (6 - 3)) + | ((v3 & 16) << (5 - 3)) + | ((v4 & 16) << (4 - 3)); +} + +static void tcg_out_insn_VRX(TCGContext *s, S390Opcode op, TCGReg v1, + TCGReg b2, TCGReg x2, intptr_t d2, int m3) +{ + tcg_debug_assert(v1 >= TCG_REG_V0 && v1 <= TCG_REG_V31); + tcg_debug_assert(d2 >= 0 && d2 <= 0xfff); + tcg_debug_assert(x2 <= TCG_REG_R15); + tcg_debug_assert(b2 <= TCG_REG_R15); + tcg_out16(s, (op & 0xff00) | ((v1 & 15) << 4) | x2); + tcg_out16(s, (b2 << 12) | d2); + tcg_out16(s, (op & 0x00ff) | RXB(v1, 0, 0, 0) | (m3 << 12)); +} + /* Emit an opcode with "type-checking" of the format. */ #define tcg_out_insn(S, FMT, OP, ...) \ glue(tcg_out_insn_,FMT)(S, glue(glue(FMT,_),OP), ## __VA_ARGS__) @@ -708,25 +734,92 @@ static void tcg_out_mem(TCGContext *s, S390Opcode opc_rx, S390Opcode opc_rxy, } } +static void tcg_out_vrx_mem(TCGContext *s, S390Opcode opc_vrx, + TCGReg data, TCGReg base, TCGReg index, + tcg_target_long ofs, int m3) +{ + if (ofs < 0 || ofs >= 0x1000) { + if (ofs >= -0x80000 && ofs < 0x80000) { + tcg_out_insn(s, RXY, LAY, TCG_TMP0, base, index, ofs); + base = TCG_TMP0; + index = TCG_REG_NONE; + ofs = 0; + } else { + tcg_out_movi(s, TCG_TYPE_PTR, TCG_TMP0, ofs); + if (index != TCG_REG_NONE) { + tcg_out_insn(s, RRE, AGR, TCG_TMP0, index); + } + index = TCG_TMP0; + ofs = 0; + } + } + tcg_out_insn_VRX(s, opc_vrx, data, base, index, ofs, m3); +} /* load data without address translation or endianness conversion */ -static inline void tcg_out_ld(TCGContext *s, TCGType type, TCGReg data, - TCGReg base, intptr_t ofs) +static void tcg_out_ld(TCGContext *s, TCGType type, TCGReg data, + TCGReg base, intptr_t ofs) { - if (type == TCG_TYPE_I32) { - tcg_out_mem(s, RX_L, RXY_LY, data, base, TCG_REG_NONE, ofs); - } else { - tcg_out_mem(s, 0, RXY_LG, data, base, TCG_REG_NONE, ofs); + switch (type) { + case TCG_TYPE_I32: + if (likely(data < 16)) { + tcg_out_mem(s, RX_L, RXY_LY, data, base, TCG_REG_NONE, ofs); + break; + } + tcg_out_vrx_mem(s, VRX_VLLEZ, data, base, TCG_REG_NONE, ofs, MO_32); + break; + + case TCG_TYPE_I64: + if (likely(data < 16)) { + tcg_out_mem(s, 0, RXY_LG, data, base, TCG_REG_NONE, ofs); + break; + } + /* fallthru */ + + case TCG_TYPE_V64: + tcg_out_vrx_mem(s, VRX_VLLEZ, data, base, TCG_REG_NONE, ofs, MO_64); + break; + + case TCG_TYPE_V128: + /* Hint quadword aligned. */ + tcg_out_vrx_mem(s, VRX_VL, data, base, TCG_REG_NONE, ofs, 4); + break; + + default: + g_assert_not_reached(); } } -static inline void tcg_out_st(TCGContext *s, TCGType type, TCGReg data, - TCGReg base, intptr_t ofs) +static void tcg_out_st(TCGContext *s, TCGType type, TCGReg data, + TCGReg base, intptr_t ofs) { - if (type == TCG_TYPE_I32) { - tcg_out_mem(s, RX_ST, RXY_STY, data, base, TCG_REG_NONE, ofs); - } else { - tcg_out_mem(s, 0, RXY_STG, data, base, TCG_REG_NONE, ofs); + switch (type) { + case TCG_TYPE_I32: + if (likely(data < 16)) { + tcg_out_mem(s, RX_ST, RXY_STY, data, base, TCG_REG_NONE, ofs); + } else { + tcg_out_vrx_mem(s, VRX_VSTEF, data, base, TCG_REG_NONE, ofs, 1); + } + break; + + case TCG_TYPE_I64: + if (likely(data < 16)) { + tcg_out_mem(s, 0, RXY_STG, data, base, TCG_REG_NONE, ofs); + break; + } + /* fallthru */ + + case TCG_TYPE_V64: + tcg_out_vrx_mem(s, VRX_VSTEG, data, base, TCG_REG_NONE, ofs, 0); + break; + + case TCG_TYPE_V128: + /* Hint quadword aligned. */ + tcg_out_vrx_mem(s, VRX_VST, data, base, TCG_REG_NONE, ofs, 4); + break; + + default: + g_assert_not_reached(); } } -- 2.25.1