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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id v10-20020a65568a000000b005b83bc255fbsm5205137pgs.71.2023.10.23.11.13.49 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Oct 2023 11:13:49 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PULL v3 22/38] tcg/riscv: Do not reserve TCG_GUEST_BASE_REG for guest_base zero Date: Mon, 23 Oct 2023 11:13:13 -0700 Message-Id: <20231023181329.171490-23-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231023181329.171490-1-richard.henderson@linaro.org> References: <20231023181329.171490-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::42e; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42e.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Fixes: 92c041c59b ("tcg/riscv: Add the prologue generation and register the JIT") Signed-off-by: Richard Henderson --- tcg/riscv/tcg-target.c.inc | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc index d6dbcaf3cb..dc71f829d1 100644 --- a/tcg/riscv/tcg-target.c.inc +++ b/tcg/riscv/tcg-target.c.inc @@ -2076,8 +2076,10 @@ static void tcg_target_qemu_prologue(TCGContext *s) } #if !defined(CONFIG_SOFTMMU) - tcg_out_movi(s, TCG_TYPE_PTR, TCG_GUEST_BASE_REG, guest_base); - tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG); + if (guest_base) { + tcg_out_movi(s, TCG_TYPE_PTR, TCG_GUEST_BASE_REG, guest_base); + tcg_regset_set_reg(s->reserved_regs, TCG_GUEST_BASE_REG); + } #endif /* Call generated code */