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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.168.131; envelope-from=tsimpson@qualcomm.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_LOW=-0.7, 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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @quicinc.com) X-ZM-MESSAGEID: 1678167459345100001 Signed-off-by: Taylor Simpson Reviewed-by: Anton Johansson Message-Id: <20230307025828.1612809-4-tsimpson@quicinc.com> --- target/hexagon/gen_tcg.h | 4 +++ target/hexagon/genptr.c | 78 ++++++++++++++++++++++++++++++++++++++++ 2 files changed, 82 insertions(+) diff --git a/target/hexagon/gen_tcg.h b/target/hexagon/gen_tcg.h index fb23d56d4a..5b7263a82c 100644 --- a/target/hexagon/gen_tcg.h +++ b/target/hexagon/gen_tcg.h @@ -603,6 +603,10 @@ =20 #define fGEN_TCG_J2_endloop0(SHORTCODE) \ gen_endloop0(ctx) +#define fGEN_TCG_J2_endloop1(SHORTCODE) \ + gen_endloop1(ctx) +#define fGEN_TCG_J2_endloop01(SHORTCODE) \ + gen_endloop01(ctx) =20 /* * Compound compare and jump instructions diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c index 592438f61e..f7017fd483 100644 --- a/target/hexagon/genptr.c +++ b/target/hexagon/genptr.c @@ -770,6 +770,84 @@ static void gen_endloop0(DisasContext *ctx) } } =20 +static void gen_endloop1(DisasContext *ctx) +{ + /* + * if (hex_gpr[HEX_REG_LC1] > 1) { + * PC =3D hex_gpr[HEX_REG_SA1]; + * hex_new_value[HEX_REG_LC1] =3D hex_gpr[HEX_REG_LC1] - 1; + * } + */ + TCGLabel *label =3D gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_LEU, hex_gpr[HEX_REG_LC1], 1, label); + { + gen_jumpr(ctx, hex_gpr[HEX_REG_SA1]); + tcg_gen_subi_tl(hex_new_value[HEX_REG_LC1], hex_gpr[HEX_REG_LC1], = 1); + } + gen_set_label(label); +} + +static void gen_endloop01(DisasContext *ctx) +{ + TCGv lpcfg =3D tcg_temp_new(); + TCGLabel *label1 =3D gen_new_label(); + TCGLabel *label2 =3D gen_new_label(); + TCGLabel *label3 =3D gen_new_label(); + TCGLabel *done =3D gen_new_label(); + + GET_USR_FIELD(USR_LPCFG, lpcfg); + + /* + * if (lpcfg =3D=3D 1) { + * hex_new_pred_value[3] =3D 0xff; + * hex_pred_written |=3D 1 << 3; + * } + */ + tcg_gen_brcondi_tl(TCG_COND_NE, lpcfg, 1, label1); + { + tcg_gen_movi_tl(hex_new_pred_value[3], 0xff); + tcg_gen_ori_tl(hex_pred_written, hex_pred_written, 1 << 3); + } + gen_set_label(label1); + + /* + * if (lpcfg) { + * SET_USR_FIELD(USR_LPCFG, lpcfg - 1); + * } + */ + tcg_gen_brcondi_tl(TCG_COND_EQ, lpcfg, 0, label2); + { + tcg_gen_subi_tl(lpcfg, lpcfg, 1); + SET_USR_FIELD(USR_LPCFG, lpcfg); + } + gen_set_label(label2); + + /* + * if (hex_gpr[HEX_REG_LC0] > 1) { + * PC =3D hex_gpr[HEX_REG_SA0]; + * hex_new_value[HEX_REG_LC0] =3D hex_gpr[HEX_REG_LC0] - 1; + * } else { + * if (hex_gpr[HEX_REG_LC1] > 1) { + * hex_next_pc =3D hex_gpr[HEX_REG_SA1]; + * hex_new_value[HEX_REG_LC1] =3D hex_gpr[HEX_REG_LC1] - 1; + * } + * } + */ + tcg_gen_brcondi_tl(TCG_COND_LEU, hex_gpr[HEX_REG_LC0], 1, label3); + { + gen_jumpr(ctx, hex_gpr[HEX_REG_SA0]); + tcg_gen_subi_tl(hex_new_value[HEX_REG_LC0], hex_gpr[HEX_REG_LC0], = 1); + tcg_gen_br(done); + } + gen_set_label(label3); + tcg_gen_brcondi_tl(TCG_COND_LEU, hex_gpr[HEX_REG_LC1], 1, done); + { + gen_jumpr(ctx, hex_gpr[HEX_REG_SA1]); + tcg_gen_subi_tl(hex_new_value[HEX_REG_LC1], hex_gpr[HEX_REG_LC1], = 1); + } + gen_set_label(done); +} + static void gen_cmp_jumpnv(DisasContext *ctx, TCGCond cond, TCGv val, TCGv src, int pc_off) { --=20 2.25.1