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X-Received-From: 2607:f8b0:400d:c0d::244 Subject: [Qemu-devel] [PULL 14/26] tcg/sparc: Implement goto_ptr X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- tcg/sparc/tcg-target.h | 2 +- tcg/sparc/tcg-target.inc.c | 11 ++++++++++- 2 files changed, 11 insertions(+), 2 deletions(-) diff --git a/tcg/sparc/tcg-target.h b/tcg/sparc/tcg-target.h index 9348ddd..854a0af 100644 --- a/tcg/sparc/tcg-target.h +++ b/tcg/sparc/tcg-target.h @@ -123,7 +123,7 @@ extern bool use_vis3_instructions; #define TCG_TARGET_HAS_muls2_i32 1 #define TCG_TARGET_HAS_muluh_i32 0 #define TCG_TARGET_HAS_mulsh_i32 0 -#define TCG_TARGET_HAS_goto_ptr 0 +#define TCG_TARGET_HAS_goto_ptr 1 =20 #define TCG_TARGET_HAS_extrl_i64_i32 1 #define TCG_TARGET_HAS_extrh_i64_i32 1 diff --git a/tcg/sparc/tcg-target.inc.c b/tcg/sparc/tcg-target.inc.c index 3785d77..18afce2 100644 --- a/tcg/sparc/tcg-target.inc.c +++ b/tcg/sparc/tcg-target.inc.c @@ -1003,7 +1003,11 @@ static void tcg_target_qemu_prologue(TCGContext *s) /* delay slot */ tcg_out_nop(s); =20 - /* No epilogue required. We issue ret + restore directly in the TB. = */ + /* Epilogue for goto_ptr. */ + s->code_gen_epilogue =3D s->code_ptr; + tcg_out_arithi(s, TCG_REG_G0, TCG_REG_I7, 8, RETURN); + /* delay slot */ + tcg_out_movi_imm13(s, TCG_REG_O0, 0); =20 #ifdef CONFIG_SOFTMMU build_trampolines(s); @@ -1288,6 +1292,10 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, tcg_out_nop(s); s->tb_jmp_reset_offset[a0] =3D tcg_current_code_size(s); break; + case INDEX_op_goto_ptr: + tcg_out_arithi(s, TCG_REG_G0, a0, 0, JMPL); + tcg_out_nop(s); + break; case INDEX_op_br: tcg_out_bpcc(s, COND_A, BPCC_PT, arg_label(a0)); tcg_out_nop(s); @@ -1513,6 +1521,7 @@ static const TCGTargetOpDef sparc_op_defs[] =3D { { INDEX_op_exit_tb, { } }, { INDEX_op_goto_tb, { } }, { INDEX_op_br, { } }, + { INDEX_op_goto_ptr, { "r" } }, =20 { INDEX_op_ld8u_i32, { "r", "r" } }, { INDEX_op_ld8s_i32, { "r", "r" } }, --=20 2.9.4