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([2602:ae:1598:4c01:7ac5:31cc:3997:3a16]) by smtp.gmail.com with ESMTPSA id s188-20020a635ec5000000b0053491d92b65sm1675593pgb.84.2023.05.25.17.23.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 May 2023 17:23:40 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH v4 07/16] tcg/aarch64: Reserve TCG_REG_TMP1, TCG_REG_TMP2 Date: Thu, 25 May 2023 17:23:25 -0700 Message-Id: <20230526002334.1760495-8-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230526002334.1760495-1-richard.henderson@linaro.org> References: <20230526002334.1760495-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::52a; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52a.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- tcg/aarch64/tcg-target.c.inc | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/tcg/aarch64/tcg-target.c.inc b/tcg/aarch64/tcg-target.c.inc index 8996e29ca9..5e7ac6fb76 100644 --- a/tcg/aarch64/tcg-target.c.inc +++ b/tcg/aarch64/tcg-target.c.inc @@ -40,11 +40,12 @@ static const int tcg_target_reg_alloc_order[] = { TCG_REG_X8, TCG_REG_X9, TCG_REG_X10, TCG_REG_X11, TCG_REG_X12, TCG_REG_X13, TCG_REG_X14, TCG_REG_X15, - TCG_REG_X16, TCG_REG_X17, TCG_REG_X0, TCG_REG_X1, TCG_REG_X2, TCG_REG_X3, TCG_REG_X4, TCG_REG_X5, TCG_REG_X6, TCG_REG_X7, + /* X16 reserved as temporary */ + /* X17 reserved as temporary */ /* X18 reserved by system */ /* X19 reserved for AREG0 */ /* X29 reserved as fp */ @@ -71,7 +72,9 @@ static TCGReg tcg_target_call_oarg_reg(TCGCallReturnKind kind, int slot) return TCG_REG_X0 + slot; } -#define TCG_REG_TMP0 TCG_REG_X30 +#define TCG_REG_TMP0 TCG_REG_X16 +#define TCG_REG_TMP1 TCG_REG_X17 +#define TCG_REG_TMP2 TCG_REG_X30 #define TCG_VEC_TMP0 TCG_REG_V31 #ifndef CONFIG_SOFTMMU @@ -2902,6 +2905,8 @@ static void tcg_target_init(TCGContext *s) tcg_regset_set_reg(s->reserved_regs, TCG_REG_FP); tcg_regset_set_reg(s->reserved_regs, TCG_REG_X18); /* platform register */ tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP0); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP1); + tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP2); tcg_regset_set_reg(s->reserved_regs, TCG_VEC_TMP0); }