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([91.209.212.61]) by smtp.gmail.com with ESMTPSA id z23-20020a2e8857000000b002a8c271de33sm2160484ljj.67.2023.04.25.12.34.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Apr 2023 12:34:45 -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, philmd@linaro.org Subject: [PATCH v3 30/57] tcg/sparc64: Allocate %g2 as a third temporary Date: Tue, 25 Apr 2023 20:31:19 +0100 Message-Id: <20230425193146.2106111-31-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230425193146.2106111-1-richard.henderson@linaro.org> References: <20230425193146.2106111-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::12f; envelope-from=richard.henderson@linaro.org; helo=mail-lf1-x12f.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 Signed-off-by: Richard Henderson --- tcg/sparc64/tcg-target.c.inc | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/tcg/sparc64/tcg-target.c.inc b/tcg/sparc64/tcg-target.c.inc index e997db2645..64464ab363 100644 --- a/tcg/sparc64/tcg-target.c.inc +++ b/tcg/sparc64/tcg-target.c.inc @@ -83,9 +83,10 @@ static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = { #define ALL_GENERAL_REGS MAKE_64BIT_MASK(0, 32) #define ALL_QLDST_REGS (ALL_GENERAL_REGS & ~SOFTMMU_RESERVE_REGS) -/* Define some temporary registers. T2 is used for constant generation. */ +/* Define some temporary registers. T3 is used for constant generation. */ #define TCG_REG_T1 TCG_REG_G1 -#define TCG_REG_T2 TCG_REG_O7 +#define TCG_REG_T2 TCG_REG_G2 +#define TCG_REG_T3 TCG_REG_O7 #ifndef CONFIG_SOFTMMU # define TCG_GUEST_BASE_REG TCG_REG_I5 @@ -110,7 +111,6 @@ static const int tcg_target_reg_alloc_order[] = { TCG_REG_I4, TCG_REG_I5, - TCG_REG_G2, TCG_REG_G3, TCG_REG_G4, TCG_REG_G5, @@ -492,8 +492,8 @@ static void tcg_out_movi_int(TCGContext *s, TCGType type, TCGReg ret, static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg ret, tcg_target_long arg) { - tcg_debug_assert(ret != TCG_REG_T2); - tcg_out_movi_int(s, type, ret, arg, false, TCG_REG_T2); + tcg_debug_assert(ret != TCG_REG_T3); + tcg_out_movi_int(s, type, ret, arg, false, TCG_REG_T3); } static void tcg_out_ext8s(TCGContext *s, TCGType type, TCGReg rd, TCGReg rs) @@ -885,10 +885,8 @@ static void tcg_out_jmpl_const(TCGContext *s, const tcg_insn_unit *dest, { uintptr_t desti = (uintptr_t)dest; - /* Be careful not to clobber %o7 for a tail call. */ tcg_out_movi_int(s, TCG_TYPE_PTR, TCG_REG_T1, - desti & ~0xfff, in_prologue, - tail_call ? TCG_REG_G2 : TCG_REG_O7); + desti & ~0xfff, in_prologue, TCG_REG_T2); tcg_out_arithi(s, tail_call ? TCG_REG_G0 : TCG_REG_O7, TCG_REG_T1, desti & 0xfff, JMPL); } @@ -1856,6 +1854,7 @@ static void tcg_target_init(TCGContext *s) tcg_regset_set_reg(s->reserved_regs, TCG_REG_O6); /* stack pointer */ tcg_regset_set_reg(s->reserved_regs, TCG_REG_T1); /* for internal use */ tcg_regset_set_reg(s->reserved_regs, TCG_REG_T2); /* for internal use */ + tcg_regset_set_reg(s->reserved_regs, TCG_REG_T3); /* for internal use */ } #define ELF_HOST_MACHINE EM_SPARCV9 -- 2.34.1