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Fri, 26 Aug 2022 16:12:49 -0700 (PDT) X-Google-Smtp-Source: AA6agR7AZPi/QEI4UkQiAz3MmFr6JHxia3aeJUJsc08x3mnI2OkUtKF/9ww5jHq11d3FsGjLLSKu/g== X-Received: by 2002:a17:907:7f20:b0:73d:d54f:6571 with SMTP id qf32-20020a1709077f2000b0073dd54f6571mr5735437ejc.315.1661555568725; Fri, 26 Aug 2022 16:12:48 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, paul@nowt.org Subject: [PATCH 20/23] i386: Misc AVX helper prep Date: Sat, 27 Aug 2022 01:12:01 +0200 Message-Id: <20220826231204.201395-21-pbonzini@redhat.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220826231204.201395-1-pbonzini@redhat.com> References: <20220826231204.201395-1-pbonzini@redhat.com> 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=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, 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=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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1661556449315100001 Content-Type: text/plain; charset="utf-8" From: Paul Brook Fixup various vector helpers that either trivially exten to 256 bit, or don't have 256 bit variants. No functional changes to existing helpers Signed-off-by: Paul Brook Message-Id: <20220424220204.2493824-19-paul@nowt.org> Reviewed-by: Richard Henderson Signed-off-by: Paolo Bonzini --- target/i386/ops_sse.h | 143 +++++++++++++++++++++++++++--------------- 1 file changed, 94 insertions(+), 49 deletions(-) diff --git a/target/i386/ops_sse.h b/target/i386/ops_sse.h index ed2f04ded5..84bbae4b9a 100644 --- a/target/i386/ops_sse.h +++ b/target/i386/ops_sse.h @@ -435,6 +435,7 @@ void glue(helper_psadbw, SUFFIX)(CPUX86State *env, Reg = *d, Reg *s) } } =20 +#if SHIFT < 2 void glue(helper_maskmov, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, target_ulong a0) { @@ -446,6 +447,7 @@ void glue(helper_maskmov, SUFFIX)(CPUX86State *env, Reg= *d, Reg *s, } } } +#endif =20 void glue(helper_movl_mm_T0, SUFFIX)(Reg *d, uint32_t val) { @@ -648,21 +650,24 @@ void helper_sqrtsd(CPUX86State *env, Reg *d, Reg *s) /* float to float conversions */ void glue(helper_cvtps2pd, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) { - float32 s0, s1; - - s0 =3D s->ZMM_S(0); - s1 =3D s->ZMM_S(1); - d->ZMM_D(0) =3D float32_to_float64(s0, &env->sse_status); - d->ZMM_D(1) =3D float32_to_float64(s1, &env->sse_status); + int i; + for (i =3D 1 << SHIFT; --i >=3D 0; ) { + d->ZMM_D(i) =3D float32_to_float64(s->ZMM_S(i), &env->sse_status); + } } =20 void glue(helper_cvtpd2ps, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) { - d->ZMM_S(0) =3D float64_to_float32(s->ZMM_D(0), &env->sse_status); - d->ZMM_S(1) =3D float64_to_float32(s->ZMM_D(1), &env->sse_status); - d->Q(1) =3D 0; + int i; + for (i =3D 0; i < 1 << SHIFT; i++) { + d->ZMM_S(i) =3D float64_to_float32(s->ZMM_D(i), &env->sse_status); + } + for (i >>=3D 1; i < 1 << SHIFT; i++) { + d->Q(i) =3D 0; + } } =20 +#if SHIFT =3D=3D 1 void helper_cvtss2sd(CPUX86State *env, Reg *d, Reg *s) { d->ZMM_D(0) =3D float32_to_float64(s->ZMM_S(0), &env->sse_status); @@ -672,26 +677,27 @@ void helper_cvtsd2ss(CPUX86State *env, Reg *d, Reg *s) { d->ZMM_S(0) =3D float64_to_float32(s->ZMM_D(0), &env->sse_status); } +#endif =20 /* integer to float */ void glue(helper_cvtdq2ps, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) { - d->ZMM_S(0) =3D int32_to_float32(s->ZMM_L(0), &env->sse_status); - d->ZMM_S(1) =3D int32_to_float32(s->ZMM_L(1), &env->sse_status); - d->ZMM_S(2) =3D int32_to_float32(s->ZMM_L(2), &env->sse_status); - d->ZMM_S(3) =3D int32_to_float32(s->ZMM_L(3), &env->sse_status); + int i; + for (i =3D 0; i < 2 << SHIFT; i++) { + d->ZMM_S(i) =3D int32_to_float32(s->ZMM_L(i), &env->sse_status); + } } =20 void glue(helper_cvtdq2pd, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) { - int32_t l0, l1; - - l0 =3D (int32_t)s->ZMM_L(0); - l1 =3D (int32_t)s->ZMM_L(1); - d->ZMM_D(0) =3D int32_to_float64(l0, &env->sse_status); - d->ZMM_D(1) =3D int32_to_float64(l1, &env->sse_status); + int i; + for (i =3D 1 << SHIFT; --i >=3D 0; ) { + int32_t l =3D s->ZMM_L(i); + d->ZMM_D(i) =3D int32_to_float64(l, &env->sse_status); + } } =20 +#if SHIFT =3D=3D 1 void helper_cvtpi2ps(CPUX86State *env, ZMMReg *d, MMXReg *s) { d->ZMM_S(0) =3D int32_to_float32(s->MMX_L(0), &env->sse_status); @@ -726,8 +732,11 @@ void helper_cvtsq2sd(CPUX86State *env, ZMMReg *d, uint= 64_t val) } #endif =20 +#endif + /* float to integer */ =20 +#if SHIFT =3D=3D 1 /* * x86 mandates that we return the indefinite integer value for the result * of any float-to-integer conversion that raises the 'invalid' exception. @@ -758,22 +767,28 @@ WRAP_FLOATCONV(int64_t, float32_to_int64, float32, IN= T64_MIN) WRAP_FLOATCONV(int64_t, float32_to_int64_round_to_zero, float32, INT64_MIN) WRAP_FLOATCONV(int64_t, float64_to_int64, float64, INT64_MIN) WRAP_FLOATCONV(int64_t, float64_to_int64_round_to_zero, float64, INT64_MIN) +#endif =20 void glue(helper_cvtps2dq, SUFFIX)(CPUX86State *env, ZMMReg *d, ZMMReg *s) { - d->ZMM_L(0) =3D x86_float32_to_int32(s->ZMM_S(0), &env->sse_status); - d->ZMM_L(1) =3D x86_float32_to_int32(s->ZMM_S(1), &env->sse_status); - d->ZMM_L(2) =3D x86_float32_to_int32(s->ZMM_S(2), &env->sse_status); - d->ZMM_L(3) =3D x86_float32_to_int32(s->ZMM_S(3), &env->sse_status); + int i; + for (i =3D 0; i < 2 << SHIFT; i++) { + d->ZMM_L(i) =3D x86_float32_to_int32(s->ZMM_S(i), &env->sse_status= ); + } } =20 void glue(helper_cvtpd2dq, SUFFIX)(CPUX86State *env, ZMMReg *d, ZMMReg *s) { - d->ZMM_L(0) =3D x86_float64_to_int32(s->ZMM_D(0), &env->sse_status); - d->ZMM_L(1) =3D x86_float64_to_int32(s->ZMM_D(1), &env->sse_status); - d->ZMM_Q(1) =3D 0; + int i; + for (i =3D 0; i < 1 << SHIFT; i++) { + d->ZMM_L(i) =3D x86_float64_to_int32(s->ZMM_D(i), &env->sse_status= ); + } + for (i >>=3D 1; i < 1 << SHIFT; i++) { + d->Q(i) =3D 0; + } } =20 +#if SHIFT =3D=3D 1 void helper_cvtps2pi(CPUX86State *env, MMXReg *d, ZMMReg *s) { d->MMX_L(0) =3D x86_float32_to_int32(s->ZMM_S(0), &env->sse_status); @@ -807,23 +822,31 @@ int64_t helper_cvtsd2sq(CPUX86State *env, ZMMReg *s) return x86_float64_to_int64(s->ZMM_D(0), &env->sse_status); } #endif +#endif =20 /* float to integer truncated */ void glue(helper_cvttps2dq, SUFFIX)(CPUX86State *env, ZMMReg *d, ZMMReg *s) { - d->ZMM_L(0) =3D x86_float32_to_int32_round_to_zero(s->ZMM_S(0), &env->= sse_status); - d->ZMM_L(1) =3D x86_float32_to_int32_round_to_zero(s->ZMM_S(1), &env->= sse_status); - d->ZMM_L(2) =3D x86_float32_to_int32_round_to_zero(s->ZMM_S(2), &env->= sse_status); - d->ZMM_L(3) =3D x86_float32_to_int32_round_to_zero(s->ZMM_S(3), &env->= sse_status); + int i; + for (i =3D 0; i < 2 << SHIFT; i++) { + d->ZMM_L(i) =3D x86_float32_to_int32_round_to_zero(s->ZMM_S(i), + &env->sse_status); + } } =20 void glue(helper_cvttpd2dq, SUFFIX)(CPUX86State *env, ZMMReg *d, ZMMReg *s) { - d->ZMM_L(0) =3D x86_float64_to_int32_round_to_zero(s->ZMM_D(0), &env->= sse_status); - d->ZMM_L(1) =3D x86_float64_to_int32_round_to_zero(s->ZMM_D(1), &env->= sse_status); - d->ZMM_Q(1) =3D 0; + int i; + for (i =3D 0; i < 1 << SHIFT; i++) { + d->ZMM_L(i) =3D x86_float64_to_int32_round_to_zero(s->ZMM_D(i), + &env->sse_status); + } + for (i >>=3D 1; i < 1 << SHIFT; i++) { + d->Q(i) =3D 0; + } } =20 +#if SHIFT =3D=3D 1 void helper_cvttps2pi(CPUX86State *env, MMXReg *d, ZMMReg *s) { d->MMX_L(0) =3D x86_float32_to_int32_round_to_zero(s->ZMM_S(0), &env->= sse_status); @@ -857,6 +880,7 @@ int64_t helper_cvttsd2sq(CPUX86State *env, ZMMReg *s) return x86_float64_to_int64_round_to_zero(s->ZMM_D(0), &env->sse_statu= s); } #endif +#endif =20 void glue(helper_rsqrtps, SUFFIX)(CPUX86State *env, ZMMReg *d, ZMMReg *s) { @@ -870,6 +894,7 @@ void glue(helper_rsqrtps, SUFFIX)(CPUX86State *env, ZMM= Reg *d, ZMMReg *s) set_float_exception_flags(old_flags, &env->sse_status); } =20 +#if SHIFT =3D=3D 1 void helper_rsqrtss(CPUX86State *env, ZMMReg *d, ZMMReg *s) { uint8_t old_flags =3D get_float_exception_flags(&env->sse_status); @@ -878,6 +903,7 @@ void helper_rsqrtss(CPUX86State *env, ZMMReg *d, ZMMReg= *s) &env->sse_status); set_float_exception_flags(old_flags, &env->sse_status); } +#endif =20 void glue(helper_rcpps, SUFFIX)(CPUX86State *env, ZMMReg *d, ZMMReg *s) { @@ -889,13 +915,16 @@ void glue(helper_rcpps, SUFFIX)(CPUX86State *env, ZMM= Reg *d, ZMMReg *s) set_float_exception_flags(old_flags, &env->sse_status); } =20 +#if SHIFT =3D=3D 1 void helper_rcpss(CPUX86State *env, ZMMReg *d, ZMMReg *s) { uint8_t old_flags =3D get_float_exception_flags(&env->sse_status); d->ZMM_S(0) =3D float32_div(float32_one, s->ZMM_S(0), &env->sse_status= ); set_float_exception_flags(old_flags, &env->sse_status); } +#endif =20 +#if SHIFT =3D=3D 1 static inline uint64_t helper_extrq(uint64_t src, int shift, int len) { uint64_t mask; @@ -939,6 +968,7 @@ void helper_insertq_i(CPUX86State *env, ZMMReg *d, int = index, int length) { d->ZMM_Q(0) =3D helper_insertq(d->ZMM_Q(0), index, length); } +#endif =20 #define SSE_HELPER_HPS(name, F) \ void glue(helper_ ## name, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) \ @@ -1061,6 +1091,7 @@ SSE_HELPER_CMP(cmpord, FPU_CMPQ, !FPU_UNORD) =20 #undef SSE_HELPER_CMP =20 +#if SHIFT =3D=3D 1 static const int comis_eflags[4] =3D {CC_C, CC_Z, 0, CC_Z | CC_P | CC_C}; =20 void helper_ucomiss(CPUX86State *env, Reg *d, Reg *s) @@ -1106,25 +1137,30 @@ void helper_comisd(CPUX86State *env, Reg *d, Reg *s) ret =3D float64_compare(d0, d1, &env->sse_status); CC_SRC =3D comis_eflags[ret + 1]; } +#endif =20 uint32_t glue(helper_movmskps, SUFFIX)(CPUX86State *env, Reg *s) { - int b0, b1, b2, b3; + uint32_t mask; + int i; =20 - b0 =3D s->ZMM_L(0) >> 31; - b1 =3D s->ZMM_L(1) >> 31; - b2 =3D s->ZMM_L(2) >> 31; - b3 =3D s->ZMM_L(3) >> 31; - return b0 | (b1 << 1) | (b2 << 2) | (b3 << 3); + mask =3D 0; + for (i =3D 0; i < 2 << SHIFT; i++) { + mask |=3D (s->ZMM_L(i) >> (31 - i)) & (1 << i); + } + return mask; } =20 uint32_t glue(helper_movmskpd, SUFFIX)(CPUX86State *env, Reg *s) { - int b0, b1; + uint32_t mask; + int i; =20 - b0 =3D s->ZMM_L(1) >> 31; - b1 =3D s->ZMM_L(3) >> 31; - return b0 | (b1 << 1); + mask =3D 0; + for (i =3D 0; i < 1 << SHIFT; i++) { + mask |=3D (s->ZMM_Q(i) >> (63 - i)) & (1 << i); + } + return mask; } =20 #endif @@ -1748,6 +1784,7 @@ SSE_HELPER_L(helper_pmaxud, MAX) #define FMULLD(d, s) ((int32_t)d * (int32_t)s) SSE_HELPER_L(helper_pmulld, FMULLD) =20 +#if SHIFT =3D=3D 1 void glue(helper_phminposuw, SUFFIX)(CPUX86State *env, Reg *d, Reg *s) { int idx =3D 0; @@ -1779,12 +1816,14 @@ void glue(helper_phminposuw, SUFFIX)(CPUX86State *e= nv, Reg *d, Reg *s) d->L(1) =3D 0; d->Q(1) =3D 0; } +#endif =20 void glue(helper_roundps, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, uint32_t mode) { uint8_t old_flags =3D get_float_exception_flags(&env->sse_status); signed char prev_rounding_mode; + int i; =20 prev_rounding_mode =3D env->sse_status.float_rounding_mode; if (!(mode & (1 << 2))) { @@ -1804,10 +1843,9 @@ void glue(helper_roundps, SUFFIX)(CPUX86State *env, = Reg *d, Reg *s, } } =20 - d->ZMM_S(0) =3D float32_round_to_int(s->ZMM_S(0), &env->sse_status); - d->ZMM_S(1) =3D float32_round_to_int(s->ZMM_S(1), &env->sse_status); - d->ZMM_S(2) =3D float32_round_to_int(s->ZMM_S(2), &env->sse_status); - d->ZMM_S(3) =3D float32_round_to_int(s->ZMM_S(3), &env->sse_status); + for (i =3D 0; i < 2 << SHIFT; i++) { + d->ZMM_S(i) =3D float32_round_to_int(s->ZMM_S(i), &env->sse_status= ); + } =20 if (mode & (1 << 3) && !(old_flags & float_flag_inexact)) { set_float_exception_flags(get_float_exception_flags(&env->sse_stat= us) & @@ -1822,6 +1860,7 @@ void glue(helper_roundpd, SUFFIX)(CPUX86State *env, R= eg *d, Reg *s, { uint8_t old_flags =3D get_float_exception_flags(&env->sse_status); signed char prev_rounding_mode; + int i; =20 prev_rounding_mode =3D env->sse_status.float_rounding_mode; if (!(mode & (1 << 2))) { @@ -1841,8 +1880,9 @@ void glue(helper_roundpd, SUFFIX)(CPUX86State *env, R= eg *d, Reg *s, } } =20 - d->ZMM_D(0) =3D float64_round_to_int(s->ZMM_D(0), &env->sse_status); - d->ZMM_D(1) =3D float64_round_to_int(s->ZMM_D(1), &env->sse_status); + for (i =3D 0; i < 1 << SHIFT; i++) { + d->ZMM_D(i) =3D float64_round_to_int(s->ZMM_D(i), &env->sse_status= ); + } =20 if (mode & (1 << 3) && !(old_flags & float_flag_inexact)) { set_float_exception_flags(get_float_exception_flags(&env->sse_stat= us) & @@ -1852,6 +1892,7 @@ void glue(helper_roundpd, SUFFIX)(CPUX86State *env, R= eg *d, Reg *s, env->sse_status.float_rounding_mode =3D prev_rounding_mode; } =20 +#if SHIFT =3D=3D 1 void glue(helper_roundss, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, uint32_t mode) { @@ -1919,6 +1960,7 @@ void glue(helper_roundsd, SUFFIX)(CPUX86State *env, R= eg *d, Reg *s, } env->sse_status.float_rounding_mode =3D prev_rounding_mode; } +#endif =20 #define FBLENDP(d, s, m) (m ? s : d) SSE_HELPER_I(helper_blendps, L, 4, FBLENDP) @@ -2020,6 +2062,7 @@ void glue(helper_mpsadbw, SUFFIX)(CPUX86State *env, R= eg *d, Reg *s, #define FCMPGTQ(d, s) ((int64_t)d > (int64_t)s ? -1 : 0) SSE_HELPER_Q(helper_pcmpgtq, FCMPGTQ) =20 +#if SHIFT =3D=3D 1 static inline int pcmp_elen(CPUX86State *env, int reg, uint32_t ctrl) { target_long val, limit; @@ -2240,6 +2283,8 @@ target_ulong helper_crc32(uint32_t crc1, target_ulong= msg, uint32_t len) return crc; } =20 +#endif + void glue(helper_pclmulqdq, SUFFIX)(CPUX86State *env, Reg *d, Reg *s, uint32_t ctrl) { --=20 2.37.1