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[46.193.226.34]) by smtp.gmail.com with ESMTPSA id u6-20020adff886000000b002f7780eee10sm9986693wrp.59.2023.04.23.22.44.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Apr 2023 22:44:39 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-s390x@nongnu.org, qemu-riscv@nongnu.org, qemu-ppc@nongnu.org, git@xen0n.name, jiaxun.yang@flygoat.com Subject: [PATCH v3 56/57] tcg/s390x: Use ALGFR in constructing softmmu host address Date: Mon, 24 Apr 2023 06:41:04 +0100 Message-Id: <20230424054105.1579315-57-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230424054105.1579315-1-richard.henderson@linaro.org> References: <20230424054105.1579315-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::430; envelope-from=richard.henderson@linaro.org; helo=mail-wr1-x430.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Rather than zero-extend the guest address into a register, use an add instruction which zero-extends the second input. Signed-off-by: Richard Henderson --- tcg/s390x/tcg-target.c.inc | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/tcg/s390x/tcg-target.c.inc b/tcg/s390x/tcg-target.c.inc index dfcf4d9e34..dd13326670 100644 --- a/tcg/s390x/tcg-target.c.inc +++ b/tcg/s390x/tcg-target.c.inc @@ -149,6 +149,7 @@ typedef enum S390Opcode { RRE_ALGR = 0xb90a, RRE_ALCR = 0xb998, RRE_ALCGR = 0xb988, + RRE_ALGFR = 0xb91a, RRE_CGR = 0xb920, RRE_CLGR = 0xb921, RRE_DLGR = 0xb987, @@ -1853,10 +1854,11 @@ static TCGLabelQemuLdst *prepare_host_addr(TCGContext *s, HostAddress *h, tcg_out_insn(s, RXY, LG, h->index, TCG_REG_R2, TCG_REG_NONE, offsetof(CPUTLBEntry, addend)); - h->base = addr_reg; if (TARGET_LONG_BITS == 32) { - tcg_out_ext32u(s, TCG_REG_R3, addr_reg); - h->base = TCG_REG_R3; + tcg_out_insn(s, RRE, ALGFR, h->index, addr_reg); + h->base = TCG_REG_NONE; + } else { + h->base = addr_reg; } h->disp = 0; #else -- 2.34.1