| Message ID | 20210512185441.3619828-31-matheus.ferst@eldorado.org.br (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Base for adding PowerPC 64-bit instructions | expand |
On 5/12/21 1:54 PM, matheus.ferst@eldorado.org.br wrote: > From: Matheus Ferst <matheus.ferst@eldorado.org.br> > > Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br> > --- > target/ppc/insn32.decode | 7 ++++ > target/ppc/translate.c | 1 + > target/ppc/translate/vector-impl.c.inc | 50 ++++++++++++++++++++++++++ > 3 files changed, 58 insertions(+) > create mode 100644 target/ppc/translate/vector-impl.c.inc > > diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode > index 64788e2a4b..73b5ea0422 100644 > --- a/target/ppc/insn32.decode > +++ b/target/ppc/insn32.decode > @@ -23,6 +23,9 @@ > %ds_si 2:s14 !function=times_4 > @DS ...... rt:5 ra:5 .............. .. &D si=%ds_si > > +&VX vrt vra vrb > +@VX ...... vrt:5 vra:5 vrb:5 .......... . &VX > + > &X rt ra rb > @X ...... rt:5 ra:5 rb:5 .......... . &X > > @@ -97,3 +100,7 @@ SETBC 011111 ..... ..... ----- 0110000000 - @X_bi > SETBCR 011111 ..... ..... ----- 0110100000 - @X_bi > SETNBC 011111 ..... ..... ----- 0111000000 - @X_bi > SETNBCR 011111 ..... ..... ----- 0111100000 - @X_bi > + > +## Vector Bit Manipulation Instruction > + > +VCFUGED 000100 ..... ..... ..... 10101001101 @VX > diff --git a/target/ppc/translate.c b/target/ppc/translate.c > index 477e3deede..847de8e012 100644 > --- a/target/ppc/translate.c > +++ b/target/ppc/translate.c > @@ -7627,6 +7627,7 @@ static int times_4(DisasContext *ctx, int x) > #include "translate/vmx-impl.c.inc" > > #include "translate/vsx-impl.c.inc" > +#include "translate/vector-impl.c.inc" > > #include "translate/dfp-impl.c.inc" > > diff --git a/target/ppc/translate/vector-impl.c.inc b/target/ppc/translate/vector-impl.c.inc > new file mode 100644 > index 0000000000..4e07de5671 > --- /dev/null > +++ b/target/ppc/translate/vector-impl.c.inc > @@ -0,0 +1,50 @@ > +/* > + * Power ISA decode for Vector Facility instructions > + * > + * Copyright (c) 2021 Matheus Ferst <matheus.ferst@eldorado.org.br> > + * > + * This library is free software; you can redistribute it and/or > + * modify it under the terms of the GNU Lesser General Public > + * License as published by the Free Software Foundation; either > + * version 2.1 of the License, or (at your option) any later version. > + * > + * This library is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + * Lesser General Public License for more details. > + * > + * You should have received a copy of the GNU Lesser General Public > + * License along with this library; if not, see <http://www.gnu.org/licenses/>. > + */ > + > +static bool trans_VCFUGED(DisasContext *ctx, arg_VX *a) > +{ > + TCGv_i64 tgt, src, mask; > + > + if (unlikely(!ctx->altivec_enabled)) { > + gen_exception(ctx, POWERPC_EXCP_VPU); > + return true; > + } You have to REQUIRE_INSN_FLAGS(something) before checking for altivec_enabled. You're going to want to create some boilerplate for this, because it's going to get repeated a *lot*. > + // centrifuge lower double word > + get_cpu_vsrl(src, a->vra+32); > + get_cpu_vsrl(mask, a->vrb+32); > + gen_helper_cfuged(tgt, src, mask); > + set_cpu_vsrl(a->vrt+32, tgt); > + > + // centrifuge higher double word > + get_cpu_vsrh(src, a->vra+32); > + get_cpu_vsrh(mask, a->vrb+32); > + gen_helper_cfuged(tgt, src, mask); > + set_cpu_vsrh(a->vrt+32, tgt); This has multiple checkpatch errors. r~
diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 64788e2a4b..73b5ea0422 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -23,6 +23,9 @@ %ds_si 2:s14 !function=times_4 @DS ...... rt:5 ra:5 .............. .. &D si=%ds_si +&VX vrt vra vrb +@VX ...... vrt:5 vra:5 vrb:5 .......... . &VX + &X rt ra rb @X ...... rt:5 ra:5 rb:5 .......... . &X @@ -97,3 +100,7 @@ SETBC 011111 ..... ..... ----- 0110000000 - @X_bi SETBCR 011111 ..... ..... ----- 0110100000 - @X_bi SETNBC 011111 ..... ..... ----- 0111000000 - @X_bi SETNBCR 011111 ..... ..... ----- 0111100000 - @X_bi + +## Vector Bit Manipulation Instruction + +VCFUGED 000100 ..... ..... ..... 10101001101 @VX diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 477e3deede..847de8e012 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -7627,6 +7627,7 @@ static int times_4(DisasContext *ctx, int x) #include "translate/vmx-impl.c.inc" #include "translate/vsx-impl.c.inc" +#include "translate/vector-impl.c.inc" #include "translate/dfp-impl.c.inc" diff --git a/target/ppc/translate/vector-impl.c.inc b/target/ppc/translate/vector-impl.c.inc new file mode 100644 index 0000000000..4e07de5671 --- /dev/null +++ b/target/ppc/translate/vector-impl.c.inc @@ -0,0 +1,50 @@ +/* + * Power ISA decode for Vector Facility instructions + * + * Copyright (c) 2021 Matheus Ferst <matheus.ferst@eldorado.org.br> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see <http://www.gnu.org/licenses/>. + */ + +static bool trans_VCFUGED(DisasContext *ctx, arg_VX *a) +{ + TCGv_i64 tgt, src, mask; + + if (unlikely(!ctx->altivec_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VPU); + return true; + } + + tgt = tcg_temp_new_i64(); + src = tcg_temp_new_i64(); + mask = tcg_temp_new_i64(); + + // centrifuge lower double word + get_cpu_vsrl(src, a->vra+32); + get_cpu_vsrl(mask, a->vrb+32); + gen_helper_cfuged(tgt, src, mask); + set_cpu_vsrl(a->vrt+32, tgt); + + // centrifuge higher double word + get_cpu_vsrh(src, a->vra+32); + get_cpu_vsrh(mask, a->vrb+32); + gen_helper_cfuged(tgt, src, mask); + set_cpu_vsrh(a->vrt+32, tgt); + + tcg_temp_free_i64(tgt); + tcg_temp_free_i64(src); + tcg_temp_free_i64(mask); + + return true; +}