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Wed, 03 May 2023 00:07:20 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: git@xen0n.name, gaosong@loongson.cn, philmd@linaro.org, qemu-arm@nongnu.org, qemu-riscv@nongnu.org, qemu-s390x@nongnu.org Subject: [PATCH v4 30/57] tcg/sparc64: Allocate %g2 as a third temporary Date: Wed, 3 May 2023 08:06:29 +0100 Message-Id: <20230503070656.1746170-31-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230503070656.1746170-1-richard.henderson@linaro.org> References: <20230503070656.1746170-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=richard.henderson@linaro.org; helo=mail-wm1-x32c.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1683098227101100001 Content-Type: text/plain; charset="utf-8" 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_TARGE= T_NB_REGS] =3D { #define ALL_GENERAL_REGS MAKE_64BIT_MASK(0, 32) #define ALL_QLDST_REGS (ALL_GENERAL_REGS & ~SOFTMMU_RESERVE_REGS) =20 -/* 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 =20 #ifndef CONFIG_SOFTMMU # define TCG_GUEST_BASE_REG TCG_REG_I5 @@ -110,7 +111,6 @@ static const int tcg_target_reg_alloc_order[] =3D { TCG_REG_I4, TCG_REG_I5, =20 - 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 typ= e, TCGReg ret, static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg ret, tcg_target_long arg) { - tcg_debug_assert(ret !=3D TCG_REG_T2); - tcg_out_movi_int(s, type, ret, arg, false, TCG_REG_T2); + tcg_debug_assert(ret !=3D TCG_REG_T3); + tcg_out_movi_int(s, type, ret, arg, false, TCG_REG_T3); } =20 static void tcg_out_ext8s(TCGContext *s, TCGType type, TCGReg rd, TCGReg r= s) @@ -885,10 +885,8 @@ static void tcg_out_jmpl_const(TCGContext *s, const tc= g_insn_unit *dest, { uintptr_t desti =3D (uintptr_t)dest; =20 - /* 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 = */ } =20 #define ELF_HOST_MACHINE EM_SPARCV9 --=20 2.34.1