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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.168.131; envelope-from=matheus.bernardino@oss.qualcomm.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_LOW=-0.7, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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: qemu development 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 @qualcomm.com) X-ZM-MESSAGEID: 1775675120311154100 Content-Type: text/plain; charset="utf-8" Add HVX IEEE floating-point compare instructions: - V6_vgthf, V6_vgtsf: greater-than compare - V6_vgthf_and, V6_vgtsf_and: greater-than with predicate-and - V6_vgthf_or, V6_vgtsf_or: greater-than with predicate-or - V6_vgthf_xor, V6_vgtsf_xor: greater-than with predicate-xor Signed-off-by: Matheus Tavares Bernardino Reviewed-by: Taylor Simpson --- target/hexagon/mmvec/hvx_ieee_fp.h | 4 ++ target/hexagon/mmvec/macros.h | 3 + target/hexagon/mmvec/hvx_ieee_fp.c | 48 +++++++++++++++ target/hexagon/imported/mmvec/encode_ext.def | 10 ++++ target/hexagon/imported/mmvec/ext.idef | 61 ++++++++++++++++++++ 5 files changed, 126 insertions(+) diff --git a/target/hexagon/mmvec/hvx_ieee_fp.h b/target/hexagon/mmvec/hvx_= ieee_fp.h index d55837b756..ad854b905d 100644 --- a/target/hexagon/mmvec/hvx_ieee_fp.h +++ b/target/hexagon/mmvec/hvx_ieee_fp.h @@ -25,4 +25,8 @@ uint16_t qf_min_hf(uint16_t a1, uint16_t a2, float_status= *fp_status); int32_t conv_w_sf(float32 a, float_status *fp_status); int16_t conv_h_hf(float16 a, float_status *fp_status); =20 +/* IEEE - FP compare instructions */ +uint32_t cmpgt_sf(uint32_t a1, uint32_t a2, float_status *fp_status); +uint16_t cmpgt_hf(uint16_t a1, uint16_t a2, float_status *fp_status); + #endif diff --git a/target/hexagon/mmvec/macros.h b/target/hexagon/mmvec/macros.h index ac709d8993..318d44efb7 100644 --- a/target/hexagon/mmvec/macros.h +++ b/target/hexagon/mmvec/macros.h @@ -356,4 +356,7 @@ extract32(VAL, POS * 8, 8); \ } while (0); =20 +#define fCMPGT_SF(A, B) cmpgt_sf(A, B, &env->hvx_fp_status) +#define fCMPGT_HF(A, B) cmpgt_hf(A, B, &env->hvx_fp_status) + #endif diff --git a/target/hexagon/mmvec/hvx_ieee_fp.c b/target/hexagon/mmvec/hvx_= ieee_fp.c index 0d9ff8bd5f..f3f8f30d48 100644 --- a/target/hexagon/mmvec/hvx_ieee_fp.c +++ b/target/hexagon/mmvec/hvx_ieee_fp.c @@ -86,3 +86,51 @@ int16_t conv_h_hf(float16 a, float_status *fp_status) } return float16_to_int16_round_to_zero(a, fp_status); } + +/* + * Returns true if f1 > f2, where at least one of the elements is guarante= ed + * to be NaN. + * Up to v73, Hexagon HVX IEEE FP follows this order: + * QNaN > SNaN > +Inf > numbers > -Inf > SNaN_neg > QNaN_neg + */ +static bool float32_nan_compare(float32 f1, float32 f2, float_status *fp_s= tatus) +{ + /* opposite signs case */ + if (float32_is_neg(f1) !=3D float32_is_neg(f2)) { + return !float32_is_neg(f1); + } + + /* same sign case */ + bool result =3D (float32_is_any_nan(f1) && !float32_is_any_nan(f2)) || + (float32_is_quiet_nan(f1, fp_status) && !float32_is_quiet_nan(f2, = fp_status)); + return float32_is_neg(f1) ? !result : result; +} + +static bool float16_nan_compare(float16 f1, float16 f2, float_status *fp_s= tatus) +{ + /* opposite signs case */ + if (float16_is_neg(f1) !=3D float16_is_neg(f2)) { + return !float16_is_neg(f1); + } + + /* same sign case */ + bool result =3D (float16_is_any_nan(f1) && !float16_is_any_nan(f2)) || + (float16_is_quiet_nan(f1, fp_status) && !float16_is_quiet_nan(f2, = fp_status)); + return float16_is_neg(f1) ? !result : result; +} + +uint32_t cmpgt_sf(float32 a1, float32 a2, float_status *fp_status) +{ + if (float32_is_any_nan(a1) || float32_is_any_nan(a2)) { + return float32_nan_compare(a1, a2, fp_status); + } + return float32_compare(a1, a2, fp_status) =3D=3D float_relation_greate= r; +} + +uint16_t cmpgt_hf(float16 a1, float16 a2, float_status *fp_status) +{ + if (float16_is_any_nan(a1) || float16_is_any_nan(a2)) { + return float16_nan_compare(a1, a2, fp_status); + } + return float16_compare(a1, a2, fp_status) =3D=3D float_relation_greate= r; +} diff --git a/target/hexagon/imported/mmvec/encode_ext.def b/target/hexagon/= imported/mmvec/encode_ext.def index c1ed1b6c23..3572e4de4c 100644 --- a/target/hexagon/imported/mmvec/encode_ext.def +++ b/target/hexagon/imported/mmvec/encode_ext.def @@ -858,4 +858,14 @@ DEF_ENC(V6_vconv_w_sf,"00011110--0--101PP1uuuuu001dddd= d") DEF_ENC(V6_vconv_hf_h,"00011110--0--101PP1uuuuu100ddddd") DEF_ENC(V6_vconv_h_hf,"00011110--0--101PP1uuuuu010ddddd") =20 +/* IEEE FP compare instructions */ +DEF_ENC(V6_vgtsf,"00011100100vvvvvPP1uuuuu011100dd") +DEF_ENC(V6_vgthf,"00011100100vvvvvPP1uuuuu011101dd") +DEF_ENC(V6_vgtsf_and,"00011100100vvvvvPP1uuuuu110010xx") +DEF_ENC(V6_vgthf_and,"00011100100vvvvvPP1uuuuu110011xx") +DEF_ENC(V6_vgtsf_or,"00011100100vvvvvPP1uuuuu001100xx") +DEF_ENC(V6_vgthf_or,"00011100100vvvvvPP1uuuuu001101xx") +DEF_ENC(V6_vgtsf_xor,"00011100100vvvvvPP1uuuuu111010xx") +DEF_ENC(V6_vgthf_xor,"00011100100vvvvvPP1uuuuu111011xx") + #endif /* NO MMVEC */ diff --git a/target/hexagon/imported/mmvec/ext.idef b/target/hexagon/import= ed/mmvec/ext.idef index 3306169060..b10c5f3240 100644 --- a/target/hexagon/imported/mmvec/ext.idef +++ b/target/hexagon/imported/mmvec/ext.idef @@ -3143,6 +3143,67 @@ ITERATOR_INSN_SHIFT_SLOT_FLT(16, vconv_hf_h,"Vd32.hf= =3DVu32.h", "Vector conversion of int hw format to hf16", VdV.hf[i] =3D float16_val(int16_to_float16(VuV.h[i], &env->hvx_fp_stat= us))) =20 +/*************************************************************************= ***** + * IEEE FP compare instructions + *************************************************************************= *****/ + +#define VCMPGT_SF(DEST, ASRC, ASRCOP, CMP, N, SRC, MASK, WIDTH) \ +{ \ + for (fHIDE(int) i =3D 0; i < fVBYTES(); i +=3D WIDTH) { \ + fHIDE(int) VAL =3D fCMPGT_SF(VuV.SRC[i/WIDTH],VvV.SRC[i/WIDTH]) ? = MASK : 0; \ + fSETQBITS(DEST,WIDTH,MASK,i,ASRC ASRCOP VAL); \ + } \ +} + +#define VCMPGT_HF(DEST, ASRC, ASRCOP, CMP, N, SRC, MASK, WIDTH) \ +{ \ + for (fHIDE(int) i =3D 0; i < fVBYTES(); i +=3D WIDTH) { \ + fHIDE(int) VAL =3D fCMPGT_HF(VuV.SRC[i/WIDTH],VvV.SRC[i/WIDTH]) ? = MASK : 0; \ + fSETQBITS(DEST,WIDTH,MASK,i,ASRC ASRCOP VAL); \ + } \ +} + +/* Vector SF compare */ +#define MMVEC_CMPGT_SF(TYPE,TYPE2,DESCR,N,MASK,WIDTH,SRC) \ + EXTINSN(V6_vgt##TYPE##_and, "Qx4&=3Dvcmp.gt(Vu32." TYPE2 ",Vv32." TYPE= 2 ")", \ + ATTRIBS(A_EXTENSION,A_CVI,A_CVI_VA,A_CVI_VA_2SRC,A_HVX_FLT), \ + DESCR" greater than with predicate-and", \ + VCMPGT_SF(QxV, fGETQBITS(QxV,WIDTH,MASK,i), &, ">", N, SRC, MASK, = WIDTH)) \ + EXTINSN(V6_vgt##TYPE##_xor, "Qx4^=3Dvcmp.gt(Vu32." TYPE2 ",Vv32." TYPE= 2 ")", \ + ATTRIBS(A_EXTENSION,A_CVI,A_CVI_VA,A_CVI_VA_2SRC,A_HVX_FLT), \ + DESCR" greater than with predicate-xor", \ + VCMPGT_SF(QxV, fGETQBITS(QxV,WIDTH,MASK,i), ^, ">", N, SRC, MASK, = WIDTH)) \ + EXTINSN(V6_vgt##TYPE##_or, "Qx4|=3Dvcmp.gt(Vu32." TYPE2 ",Vv32." TYPE2= ")", \ + ATTRIBS(A_EXTENSION,A_CVI,A_CVI_VA,A_CVI_VA_2SRC,A_HVX_FLT), \ + DESCR" greater than with predicate-or", \ + VCMPGT_SF(QxV, fGETQBITS(QxV,WIDTH,MASK,i), |, ">", N, SRC, MASK, = WIDTH)) \ + EXTINSN(V6_vgt##TYPE, "Qd4=3Dvcmp.gt(Vu32." TYPE2 ",Vv32." TYPE2 ")", \ + ATTRIBS(A_EXTENSION,A_CVI,A_CVI_VA,A_CVI_VA_2SRC,A_HVX_FLT), \ + DESCR" greater than", \ + VCMPGT_SF(QdV, , , ">", N, SRC, MASK, WIDTH)) + +/* Vector HF compare */ +#define MMVEC_CMPGT_HF(TYPE,TYPE2,DESCR,N,MASK,WIDTH,SRC) \ + EXTINSN(V6_vgt##TYPE##_and, "Qx4&=3Dvcmp.gt(Vu32." TYPE2 ",Vv32." TYPE= 2 ")", \ + ATTRIBS(A_EXTENSION,A_CVI,A_CVI_VA,A_CVI_VA_2SRC,A_HVX_FLT), \ + DESCR" greater than with predicate-and", \ + VCMPGT_HF(QxV, fGETQBITS(QxV,WIDTH,MASK,i), &, ">", N, SRC, MASK, = WIDTH)) \ + EXTINSN(V6_vgt##TYPE##_xor, "Qx4^=3Dvcmp.gt(Vu32." TYPE2 ",Vv32." TYPE= 2 ")", \ + ATTRIBS(A_EXTENSION,A_CVI,A_CVI_VA,A_CVI_VA_2SRC,A_HVX_FLT), \ + DESCR" greater than with predicate-xor", \ + VCMPGT_HF(QxV, fGETQBITS(QxV,WIDTH,MASK,i), ^, ">", N, SRC, MASK, = WIDTH)) \ + EXTINSN(V6_vgt##TYPE##_or, "Qx4|=3Dvcmp.gt(Vu32." TYPE2 ",Vv32." TYPE2= ")", \ + ATTRIBS(A_EXTENSION,A_CVI,A_CVI_VA,A_CVI_VA_2SRC,A_HVX_FLT), \ + DESCR" greater than with predicate-or", \ + VCMPGT_HF(QxV, fGETQBITS(QxV,WIDTH,MASK,i), |, ">", N, SRC, MASK, = WIDTH)) \ + EXTINSN(V6_vgt##TYPE, "Qd4=3Dvcmp.gt(Vu32." TYPE2 ",Vv32." TYPE2 ")", \ + ATTRIBS(A_EXTENSION,A_CVI,A_CVI_VA,A_CVI_VA_2SRC,A_HVX_FLT), \ + DESCR" greater than", \ + VCMPGT_HF(QdV, , , ">", N, SRC, MASK, WIDTH)) + +MMVEC_CMPGT_SF(sf,"sf","Vector sf Compare ", fVELEM(32), 0xF, 4, sf) +MMVEC_CMPGT_HF(hf,"hf","Vector hf Compare ", fVELEM(16), 0x3, 2, hf) + /*************************************************************************= ***** DEBUG Vector/Register Printing *************************************************************************= *****/ --=20 2.37.2