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[74.87.59.234]) by smtp.gmail.com with ESMTPSA id e14-20020a62aa0e000000b005a816b7c3e8sm89655pff.24.2023.02.15.18.58.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Feb 2023 18:58:16 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v2 26/30] tcg/i386: Mark Win64 call-saved vector regs as reserved Date: Wed, 15 Feb 2023 16:57:35 -1000 Message-Id: <20230216025739.1211680-27-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230216025739.1211680-1-richard.henderson@linaro.org> References: <20230216025739.1211680-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::635; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x635.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. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- 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 5dcea7e198..21442c9339 100644 --- a/tcg/i386/tcg-target.c.inc +++ b/tcg/i386/tcg-target.c.inc @@ -4232,6 +4232,19 @@ 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 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 { -- 2.34.1