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([2602:47:d48a:1201:90b2:345f:bf0a:c412]) by smtp.gmail.com with ESMTPSA id n12-20020a170902e54c00b0018862bb3976sm3115421plf.308.2022.11.18.01.48.41 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Nov 2022 01:48:41 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH for-8.0 25/29] tcg/i386: Mark Win64 call-saved vector regs as reserved Date: Fri, 18 Nov 2022 01:47:50 -0800 Message-Id: <20221118094754.242910-26-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221118094754.242910-1-richard.henderson@linaro.org> References: <20221118094754.242910-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::1032; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1032.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org While we do not include these in tcg_target_reg_alloc_order, and therefore they ought never be allocated, it seems safer to mark them reserved as well. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé --- tcg/i386/tcg-target.c.inc | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/tcg/i386/tcg-target.c.inc b/tcg/i386/tcg-target.c.inc index e38f08bd12..e04818eef6 100644 --- a/tcg/i386/tcg-target.c.inc +++ b/tcg/i386/tcg-target.c.inc @@ -4224,6 +4224,19 @@ static void tcg_target_init(TCGContext *s) s->reserved_regs = 0; tcg_regset_set_reg(s->reserved_regs, TCG_REG_CALL_STACK); +#ifdef _WIN64 + /* These are call saved, and not we don't save them, so don't use them. */ + tcg_regset_set_reg(s->reserved_regs, TCG_REG_XMM6); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_XMM7); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_XMM8); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_XMM9); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_XMM10); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_XMM11); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_XMM12); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_XMM13); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_XMM14); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_XMM15); +#endif } typedef struct {