Richard Biener via Gcc-patches <gcc-patches@gcc.gnu.org> 于2023年8月31日周四 17:31写道：
>
> On Thu, Aug 31, 2023 at 11:26 AM Richard Biener
> <richard.guent...@gmail.com> wrote:
> >
> > On Thu, Aug 31, 2023 at 10:25 AM Hongyu Wang via Gcc-patches
> > <gcc-patches@gcc.gnu.org> wrote:
> > >
> > > From: Kong Lingling <lingling.k...@intel.com>
> > >
> > > Disable EGPR usage for below legacy insns in opcode map2/3 that have vex
> > > but no evex counterpart.
> > >
> > > insn list:
> > > 1. phminposuw/vphminposuw
> > > 2. ptest/vptest
> > > 3. roundps/vroundps, roundpd/vroundpd,
> > > roundss/vroundss, roundsd/vroundsd
> > > 4. pcmpestri/vpcmpestri, pcmpestrm/vpcmpestrm
> > > 5. pcmpistri/vpcmpistri, pcmpistrm/vpcmpistrm
> >
> > How are GPRs involved in the above? Or did I misunderstand something?
>
> Following up myself - for the memory operand alternatives I guess. How about
> simply disabling the memory alternatives when EGPR is active? Wouldn't
> that simplify the initial patchset a lot? Re-enabling them when
> deemed important
> could be done as followup then?
>
It also require per-pattern change that set the attr isa for mem alternative
with "noapx_egpr". We also have a series of patterns that some
alternatives support
EGPR and another does not. Like commonly used vec_set patterns, then we still
need to identify the alternatives that if it is EGPR supported.
> Richard.
>
> > > 6. aesimc/vaesimc, aeskeygenassist/vaeskeygenassist
> > >
> > > gcc/ChangeLog:
> > >
> > > * config/i386/i386-protos.h (x86_evex_reg_mentioned_p): New
> > > prototype.
> > > * config/i386/i386.cc (x86_evex_reg_mentioned_p): New
> > > function.
> > > * config/i386/i386.md (sse4_1_round<mode>2): Set attr gpr32 0
> > > and constraint Bt/BM to all non-evex alternatives, adjust
> > > alternative outputs if evex reg is mentioned.
> > > * config/i386/sse.md (<sse4_1>_ptest<mode>): Set attr gpr32 0
> > > and constraint Bt/BM to all non-evex alternatives.
> > > (ptesttf2): Likewise.
> > > (<sse4_1>_round<ssemodesuffix><avxsizesuffix): Likewise.
> > > (sse4_1_round<ssescalarmodesuffix>): Likewise.
> > > (sse4_2_pcmpestri): Likewise.
> > > (sse4_2_pcmpestrm): Likewise.
> > > (sse4_2_pcmpestr_cconly): Likewise.
> > > (sse4_2_pcmpistr): Likewise.
> > > (sse4_2_pcmpistri): Likewise.
> > > (sse4_2_pcmpistrm): Likewise.
> > > (sse4_2_pcmpistr_cconly): Likewise.
> > > (aesimc): Likewise.
> > > (aeskeygenassist): Likewise.
> > >
> > > gcc/testsuite/ChangeLog:
> > >
> > > * gcc.target/i386/apx-legacy-insn-check-norex2.c: Add intrinsic
> > > tests.
> > > ---
> > > gcc/config/i386/i386-protos.h | 1 +
> > > gcc/config/i386/i386.cc | 13 +++
> > > gcc/config/i386/i386.md | 3 +-
> > > gcc/config/i386/sse.md | 93 +++++++++++++------
> > > .../i386/apx-legacy-insn-check-norex2.c | 55 ++++++++++-
> > > 5 files changed, 132 insertions(+), 33 deletions(-)
> > >
> > > diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h
> > > index 78eb3e0f584..bbb219e3039 100644
> > > --- a/gcc/config/i386/i386-protos.h
> > > +++ b/gcc/config/i386/i386-protos.h
> > > @@ -65,6 +65,7 @@ extern bool extended_reg_mentioned_p (rtx);
> > > extern bool x86_extended_QIreg_mentioned_p (rtx_insn *);
> > > extern bool x86_extended_reg_mentioned_p (rtx);
> > > extern bool x86_extended_rex2reg_mentioned_p (rtx);
> > > +extern bool x86_evex_reg_mentioned_p (rtx [], int);
> > > extern bool x86_maybe_negate_const_int (rtx *, machine_mode);
> > > extern machine_mode ix86_cc_mode (enum rtx_code, rtx, rtx);
> > >
> > > diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc
> > > index f5d642948bc..ec93c5bab97 100644
> > > --- a/gcc/config/i386/i386.cc
> > > +++ b/gcc/config/i386/i386.cc
> > > @@ -22936,6 +22936,19 @@ x86_extended_rex2reg_mentioned_p (rtx insn)
> > > return false;
> > > }
> > >
> > > +/* Return true when rtx operands mentions register that must be encoded
> > > using
> > > + evex prefix. */
> > > +bool
> > > +x86_evex_reg_mentioned_p (rtx operands[], int nops)
> > > +{
> > > + int i;
> > > + for (i = 0; i < nops; i++)
> > > + if (EXT_REX_SSE_REG_P (operands[i])
> > > + || x86_extended_rex2reg_mentioned_p (operands[i]))
> > > + return true;
> > > + return false;
> > > +}
> > > +
> > > /* If profitable, negate (without causing overflow) integer constant
> > > of mode MODE at location LOC. Return true in this case. */
> > > bool
> > > diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
> > > index 83ad01b43c1..4c305e72389 100644
> > > --- a/gcc/config/i386/i386.md
> > > +++ b/gcc/config/i386/i386.md
> > > @@ -21603,7 +21603,7 @@ (define_expand "significand<mode>2"
> > > (define_insn "sse4_1_round<mode>2"
> > > [(set (match_operand:MODEFH 0 "register_operand" "=x,x,x,v,v")
> > > (unspec:MODEFH
> > > - [(match_operand:MODEFH 1 "nonimmediate_operand" "0,x,m,v,m")
> > > + [(match_operand:MODEFH 1 "nonimmediate_operand" "0,x,Bt,v,m")
> > > (match_operand:SI 2 "const_0_to_15_operand")]
> > > UNSPEC_ROUND))]
> > > "TARGET_SSE4_1"
> > > @@ -21616,6 +21616,7 @@ (define_insn "sse4_1_round<mode>2"
> > > [(set_attr "type" "ssecvt")
> > > (set_attr "prefix_extra" "1,1,1,*,*")
> > > (set_attr "length_immediate" "1")
> > > + (set_attr "gpr32" "1,1,0,1,1")
> > > (set_attr "prefix" "maybe_vex,maybe_vex,maybe_vex,evex,evex")
> > > (set_attr "isa" "noavx512f,noavx512f,noavx512f,avx512f,avx512f")
> > > (set_attr "avx_partial_xmm_update" "false,false,true,false,true")
> > > diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
> > > index 05963de9219..456713b991a 100644
> > > --- a/gcc/config/i386/sse.md
> > > +++ b/gcc/config/i386/sse.md
> > > @@ -22617,11 +22617,12 @@ (define_insn "avx2_pblendd<mode>"
> > >
> > > (define_insn "sse4_1_phminposuw"
> > > [(set (match_operand:V8HI 0 "register_operand" "=Yr,*x,x")
> > > - (unspec:V8HI [(match_operand:V8HI 1 "vector_operand"
> > > "YrBm,*xBm,xm")]
> > > + (unspec:V8HI [(match_operand:V8HI 1 "vector_operand"
> > > "YrBT,*xBT,xBt")]
> > > UNSPEC_PHMINPOSUW))]
> > > "TARGET_SSE4_1"
> > > "%vphminposuw\t{%1, %0|%0, %1}"
> > > [(set_attr "isa" "noavx,noavx,avx")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "type" "sselog1")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "prefix" "orig,orig,vex")
> > > @@ -23810,12 +23811,13 @@ (define_insn
> > > "avx_vtest<ssemodesuffix><avxsizesuffix>"
> > > (define_insn "*<sse4_1>_ptest<mode>"
> > > [(set (reg FLAGS_REG)
> > > (unspec [(match_operand:V_AVX 0 "register_operand" "Yr, *x, x")
> > > - (match_operand:V_AVX 1 "vector_operand" "YrBm, *xBm,
> > > xm")]
> > > + (match_operand:V_AVX 1 "vector_operand" "YrBT, *xBT,
> > > xBt")]
> > > UNSPEC_PTEST))]
> > > "TARGET_SSE4_1 && ix86_match_ptest_ccmode (insn)"
> > > "%vptest\t{%1, %0|%0, %1}"
> > > [(set_attr "isa" "noavx,noavx,avx")
> > > (set_attr "type" "ssecomi")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "prefix" "orig,orig,vex")
> > > (set (attr "btver2_decode")
> > > @@ -23852,12 +23854,13 @@ (define_expand "<sse4_1>_ptest<mode>"
> > > (define_insn "ptesttf2"
> > > [(set (reg:CC FLAGS_REG)
> > > (unspec:CC [(match_operand:TF 0 "register_operand" "Yr, *x, x")
> > > - (match_operand:TF 1 "vector_operand" "YrBm, *xBm,
> > > xm")]
> > > + (match_operand:TF 1 "vector_operand" "YrBT, *xBT,
> > > xBt")]
> > > UNSPEC_PTEST))]
> > > "TARGET_SSE4_1"
> > > "%vptest\t{%1, %0|%0, %1}"
> > > [(set_attr "isa" "noavx,noavx,avx")
> > > (set_attr "type" "ssecomi")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "prefix" "orig,orig,vex")
> > > (set_attr "mode" "TI")])
> > > @@ -23968,13 +23971,14 @@ (define_expand
> > > "lrint<mode><sseintvecmodelower>2"
> > > (define_insn "<sse4_1>_round<ssemodesuffix><avxsizesuffix>"
> > > [(set (match_operand:VF_128_256 0 "register_operand" "=Yr,*x,x")
> > > (unspec:VF_128_256
> > > - [(match_operand:VF_128_256 1 "vector_operand" "YrBm,*xBm,xm")
> > > + [(match_operand:VF_128_256 1 "vector_operand" "YrBT,*xBT,xBt")
> > > (match_operand:SI 2 "const_0_to_15_operand")]
> > > UNSPEC_ROUND))]
> > > "TARGET_SSE4_1"
> > > "%vround<ssemodesuffix>\t{%2, %1, %0|%0, %1, %2}"
> > > [(set_attr "isa" "noavx,noavx,avx")
> > > (set_attr "type" "ssecvt")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "prefix_data16" "1,1,*")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "length_immediate" "1")
> > > @@ -24061,19 +24065,32 @@ (define_insn "sse4_1_round<ssescalarmodesuffix>"
> > > [(set (match_operand:VF_128 0 "register_operand" "=Yr,*x,x,v")
> > > (vec_merge:VF_128
> > > (unspec:VF_128
> > > - [(match_operand:VF_128 2 "nonimmediate_operand"
> > > "Yrm,*xm,xm,vm")
> > > + [(match_operand:VF_128 2 "nonimmediate_operand"
> > > "YrBt,*xBt,xBt,vm")
> > > (match_operand:SI 3 "const_0_to_15_operand")]
> > > UNSPEC_ROUND)
> > > (match_operand:VF_128 1 "register_operand" "0,0,x,v")
> > > (const_int 1)))]
> > > "TARGET_SSE4_1"
> > > - "@
> > > - round<ssescalarmodesuffix>\t{%3, %2, %0|%0, %<iptr>2, %3}
> > > - round<ssescalarmodesuffix>\t{%3, %2, %0|%0, %<iptr>2, %3}
> > > - vround<ssescalarmodesuffix>\t{%3, %2, %1, %0|%0, %1, %<iptr>2, %3}
> > > - vrndscale<ssescalarmodesuffix>\t{%3, %2, %1, %0|%0, %1, %<iptr>2, %3}"
> > > - [(set_attr "isa" "noavx,noavx,avx,avx512f")
> > > +{
> > > + switch (which_alternative)
> > > + {
> > > + case 0:
> > > + case 1:
> > > + return "round<ssescalarmodesuffix>\t{%3, %2, %0|%0, %<iptr>2,
> > > %3}";
> > > + case 2:
> > > + return "vround<ssescalarmodesuffix>\t{%3, %2, %1, %0|%0, %1,
> > > %<iptr>2, %3}";
> > > + case 3:
> > > + if (x86_evex_reg_mentioned_p (operands, 3))
> > > + return "vrndscale<ssescalarmodesuffix>\t{%3, %2, %1, %0|%0, %1,
> > > %<iptr>2, %3}";
> > > + else
> > > + return "vround<ssescalarmodesuffix>\t{%3, %2, %1, %0|%0, %1,
> > > %<iptr>2, %3}";
> > > + default:
> > > + gcc_unreachable ();
> > > + }
> > > +}
> > > + [(set_attr "isa" "noavx,noavx,noavx512f,avx512f")
> > > (set_attr "type" "ssecvt")
> > > + (set_attr "gpr32" "0,0,0,1")
> > > (set_attr "length_immediate" "1")
> > > (set_attr "prefix_data16" "1,1,*,*")
> > > (set_attr "prefix_extra" "1")
> > > @@ -24085,19 +24102,32 @@ (define_insn
> > > "*sse4_1_round<ssescalarmodesuffix>"
> > > (vec_merge:VFH_128
> > > (vec_duplicate:VFH_128
> > > (unspec:<ssescalarmode>
> > > - [(match_operand:<ssescalarmode> 2 "nonimmediate_operand"
> > > "Yrm,*xm,xm,vm")
> > > + [(match_operand:<ssescalarmode> 2 "nonimmediate_operand"
> > > "YrBt,*xBt,xBt,vm")
> > > (match_operand:SI 3 "const_0_to_15_operand")]
> > > UNSPEC_ROUND))
> > > (match_operand:VFH_128 1 "register_operand" "0,0,x,v")
> > > (const_int 1)))]
> > > "TARGET_SSE4_1"
> > > - "@
> > > - round<ssescalarmodesuffix>\t{%3, %2, %0|%0, %2, %3}
> > > - round<ssescalarmodesuffix>\t{%3, %2, %0|%0, %2, %3}
> > > - vround<ssescalarmodesuffix>\t{%3, %2, %1, %0|%0, %1, %2, %3}
> > > - vrndscale<ssescalarmodesuffix>\t{%3, %2, %1, %0|%0, %1, %2, %3}"
> > > - [(set_attr "isa" "noavx,noavx,avx,avx512f")
> > > +{
> > > + switch (which_alternative)
> > > + {
> > > + case 0:
> > > + case 1:
> > > + return "round<ssescalarmodesuffix>\t{%3, %2, %0|%0, %2, %3}";
> > > + case 2:
> > > + return "vround<ssescalarmodesuffix>\t{%3, %2, %1, %0|%0, %1, %2,
> > > %3}";
> > > + case 3:
> > > + if (x86_evex_reg_mentioned_p (operands, 3) || <MODE>mode ==
> > > V8HFmode)
> > > + return "vrndscale<ssescalarmodesuffix>\t{%3, %2, %1, %0|%0, %1,
> > > %2, %3}";
> > > + else
> > > + return "vround<ssescalarmodesuffix>\t{%3, %2, %1, %0|%0, %1,
> > > %2, %3}";
> > > + default:
> > > + gcc_unreachable ();
> > > + }
> > > +}
> > > + [(set_attr "isa" "noavx,noavx,noavx512f,avx512f")
> > > (set_attr "type" "ssecvt")
> > > + (set_attr "gpr32" "0,0,0,1")
> > > (set_attr "length_immediate" "1")
> > > (set_attr "prefix_data16" "1,1,*,*")
> > > (set_attr "prefix_extra" "1")
> > > @@ -24318,7 +24348,7 @@ (define_insn "sse4_2_pcmpestri"
> > > (unspec:SI
> > > [(match_operand:V16QI 1 "register_operand" "x,x")
> > > (match_operand:SI 2 "register_operand" "a,a")
> > > - (match_operand:V16QI 3 "nonimmediate_operand" "x,m")
> > > + (match_operand:V16QI 3 "nonimmediate_operand" "x,Bt")
> > > (match_operand:SI 4 "register_operand" "d,d")
> > > (match_operand:SI 5 "const_0_to_255_operand")]
> > > UNSPEC_PCMPESTR))
> > > @@ -24333,6 +24363,7 @@ (define_insn "sse4_2_pcmpestri"
> > > "TARGET_SSE4_2"
> > > "%vpcmpestri\t{%5, %3, %1|%1, %3, %5}"
> > > [(set_attr "type" "sselog")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "prefix" "maybe_vex")
> > > (set_attr "length_immediate" "1")
> > > @@ -24345,7 +24376,7 @@ (define_insn "sse4_2_pcmpestrm"
> > > (unspec:V16QI
> > > [(match_operand:V16QI 1 "register_operand" "x,x")
> > > (match_operand:SI 2 "register_operand" "a,a")
> > > - (match_operand:V16QI 3 "nonimmediate_operand" "x,m")
> > > + (match_operand:V16QI 3 "nonimmediate_operand" "x,Bt")
> > > (match_operand:SI 4 "register_operand" "d,d")
> > > (match_operand:SI 5 "const_0_to_255_operand")]
> > > UNSPEC_PCMPESTR))
> > > @@ -24360,6 +24391,7 @@ (define_insn "sse4_2_pcmpestrm"
> > > "TARGET_SSE4_2"
> > > "%vpcmpestrm\t{%5, %3, %1|%1, %3, %5}"
> > > [(set_attr "type" "sselog")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "length_immediate" "1")
> > > (set_attr "prefix" "maybe_vex")
> > > @@ -24372,7 +24404,7 @@ (define_insn "sse4_2_pcmpestr_cconly"
> > > (unspec:CC
> > > [(match_operand:V16QI 2 "register_operand" "x,x,x,x")
> > > (match_operand:SI 3 "register_operand" "a,a,a,a")
> > > - (match_operand:V16QI 4 "nonimmediate_operand" "x,m,x,m")
> > > + (match_operand:V16QI 4 "nonimmediate_operand" "x,Bt,x,Bt")
> > > (match_operand:SI 5 "register_operand" "d,d,d,d")
> > > (match_operand:SI 6 "const_0_to_255_operand")]
> > > UNSPEC_PCMPESTR))
> > > @@ -24385,6 +24417,7 @@ (define_insn "sse4_2_pcmpestr_cconly"
> > > %vpcmpestri\t{%6, %4, %2|%2, %4, %6}
> > > %vpcmpestri\t{%6, %4, %2|%2, %4, %6}"
> > > [(set_attr "type" "sselog")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "length_immediate" "1")
> > > (set_attr "memory" "none,load,none,load")
> > > @@ -24396,7 +24429,7 @@ (define_insn_and_split "sse4_2_pcmpistr"
> > > [(set (match_operand:SI 0 "register_operand" "=c,c")
> > > (unspec:SI
> > > [(match_operand:V16QI 2 "register_operand" "x,x")
> > > - (match_operand:V16QI 3 "nonimmediate_operand" "x,m")
> > > + (match_operand:V16QI 3 "nonimmediate_operand" "x,Bt")
> > > (match_operand:SI 4 "const_0_to_255_operand")]
> > > UNSPEC_PCMPISTR))
> > > (set (match_operand:V16QI 1 "register_operand" "=Yz,Yz")
> > > @@ -24439,6 +24472,7 @@ (define_insn_and_split "sse4_2_pcmpistr"
> > > DONE;
> > > }
> > > [(set_attr "type" "sselog")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "length_immediate" "1")
> > > (set_attr "memory" "none,load")
> > > @@ -24448,7 +24482,7 @@ (define_insn "sse4_2_pcmpistri"
> > > [(set (match_operand:SI 0 "register_operand" "=c,c")
> > > (unspec:SI
> > > [(match_operand:V16QI 1 "register_operand" "x,x")
> > > - (match_operand:V16QI 2 "nonimmediate_operand" "x,m")
> > > + (match_operand:V16QI 2 "nonimmediate_operand" "x,Bt")
> > > (match_operand:SI 3 "const_0_to_255_operand")]
> > > UNSPEC_PCMPISTR))
> > > (set (reg:CC FLAGS_REG)
> > > @@ -24460,6 +24494,7 @@ (define_insn "sse4_2_pcmpistri"
> > > "TARGET_SSE4_2"
> > > "%vpcmpistri\t{%3, %2, %1|%1, %2, %3}"
> > > [(set_attr "type" "sselog")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "length_immediate" "1")
> > > (set_attr "prefix" "maybe_vex")
> > > @@ -24471,7 +24506,7 @@ (define_insn "sse4_2_pcmpistrm"
> > > [(set (match_operand:V16QI 0 "register_operand" "=Yz,Yz")
> > > (unspec:V16QI
> > > [(match_operand:V16QI 1 "register_operand" "x,x")
> > > - (match_operand:V16QI 2 "nonimmediate_operand" "x,m")
> > > + (match_operand:V16QI 2 "nonimmediate_operand" "x,Bt")
> > > (match_operand:SI 3 "const_0_to_255_operand")]
> > > UNSPEC_PCMPISTR))
> > > (set (reg:CC FLAGS_REG)
> > > @@ -24483,6 +24518,7 @@ (define_insn "sse4_2_pcmpistrm"
> > > "TARGET_SSE4_2"
> > > "%vpcmpistrm\t{%3, %2, %1|%1, %2, %3}"
> > > [(set_attr "type" "sselog")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "length_immediate" "1")
> > > (set_attr "prefix" "maybe_vex")
> > > @@ -24494,7 +24530,7 @@ (define_insn "sse4_2_pcmpistr_cconly"
> > > [(set (reg:CC FLAGS_REG)
> > > (unspec:CC
> > > [(match_operand:V16QI 2 "register_operand" "x,x,x,x")
> > > - (match_operand:V16QI 3 "nonimmediate_operand" "x,m,x,m")
> > > + (match_operand:V16QI 3 "nonimmediate_operand" "x,Bt,x,Bt")
> > > (match_operand:SI 4 "const_0_to_255_operand")]
> > > UNSPEC_PCMPISTR))
> > > (clobber (match_scratch:V16QI 0 "=Yz,Yz,X,X"))
> > > @@ -24506,6 +24542,7 @@ (define_insn "sse4_2_pcmpistr_cconly"
> > > %vpcmpistri\t{%4, %3, %2|%2, %3, %4}
> > > %vpcmpistri\t{%4, %3, %2|%2, %3, %4}"
> > > [(set_attr "type" "sselog")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "length_immediate" "1")
> > > (set_attr "memory" "none,load,none,load")
> > > @@ -25990,23 +26027,25 @@ (define_insn "aesdeclast"
> > >
> > > (define_insn "aesimc"
> > > [(set (match_operand:V2DI 0 "register_operand" "=x")
> > > - (unspec:V2DI [(match_operand:V2DI 1 "vector_operand" "xBm")]
> > > + (unspec:V2DI [(match_operand:V2DI 1 "vector_operand" "xBT")]
> > > UNSPEC_AESIMC))]
> > > "TARGET_AES"
> > > "%vaesimc\t{%1, %0|%0, %1}"
> > > [(set_attr "type" "sselog1")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "prefix" "maybe_vex")
> > > (set_attr "mode" "TI")])
> > >
> > > (define_insn "aeskeygenassist"
> > > [(set (match_operand:V2DI 0 "register_operand" "=x")
> > > - (unspec:V2DI [(match_operand:V2DI 1 "vector_operand" "xBm")
> > > + (unspec:V2DI [(match_operand:V2DI 1 "vector_operand" "xBT")
> > > (match_operand:SI 2 "const_0_to_255_operand")]
> > > UNSPEC_AESKEYGENASSIST))]
> > > "TARGET_AES"
> > > "%vaeskeygenassist\t{%2, %1, %0|%0, %1, %2}"
> > > [(set_attr "type" "sselog1")
> > > + (set_attr "gpr32" "0")
> > > (set_attr "prefix_extra" "1")
> > > (set_attr "length_immediate" "1")
> > > (set_attr "prefix" "maybe_vex")
> > > diff --git a/gcc/testsuite/gcc.target/i386/apx-legacy-insn-check-norex2.c
> > > b/gcc/testsuite/gcc.target/i386/apx-legacy-insn-check-norex2.c
> > > index 510213a6ca7..771bcb078e1 100644
> > > --- a/gcc/testsuite/gcc.target/i386/apx-legacy-insn-check-norex2.c
> > > +++ b/gcc/testsuite/gcc.target/i386/apx-legacy-insn-check-norex2.c
> > > @@ -45,13 +45,22 @@ typedef union
> > > DTYPE a[16];
> > > } tmp_u;
> > >
> > > -__attribute__((target("sse4.2")))
> > > +__attribute__((target("sse4.2,aes")))
> > > void sse_test ()
> > > {
> > > register tmp_u *tdst __asm__("%r16");
> > > register tmp_u *src1 __asm__("%r17");
> > > register tmp_u *src2 __asm__("%r18");
> > > -
> > > +
> > > + src1->xi[0] = _mm_minpos_epu16 (src1->xi[1]);
> > > + src1->a[2] = _mm_testc_si128 (src1->xi[3], src2->xi[4]);
> > > + src1->xf[3] = _mm_round_ss (src1->xf[5], src2->xf[6],
> > > + _MM_FROUND_CUR_DIRECTION);
> > > + src1->xf[4] = _mm_round_ps (src1->xf[7], _MM_FROUND_CUR_DIRECTION);
> > > + src1->xd[0] = _mm_round_sd (src1->xd[2], src2->xd[3],
> > > + _MM_FROUND_CUR_DIRECTION);
> > > + src1->xd[1] = _mm_round_pd (src1->xd[4], _MM_FROUND_CUR_DIRECTION);
> > > +
> > > src1->xi[0] = _mm_hadd_epi16 (tdst->xi[2], src2->xi[3]);
> > > src1->xi[1] = _mm_hadd_epi32 (tdst->xi[0], src2->xi[1]);
> > > tdst->xi[2] = _mm_hadds_epi16 (src1->xi[4], src2->xi[5]);
> > > @@ -77,16 +86,33 @@ void sse_test ()
> > > tdst->xi[1] = _mm_sign_epi8 (src1->xi[5], src2->xi[6]);
> > > tdst->xi[2] = _mm_sign_epi16 (src1->xi[7], src2->xi[0]);
> > > tdst->xi[3] = _mm_sign_epi32 (src1->xi[1], src2->xi[2]);
> > > +
> > > + tdst->a[2] = _mm_cmpestri (src1->xi[3], 16, src2->xi[4], 16, 0x0c);
> > > + tdst->xi[4] = _mm_cmpestrm (src1->xi[3], 16, src2->xi[4], 16, 0x20);
> > > + tdst->a[5] = _mm_cmpistri (src1->xi[5], src2->xi[6], 0x30);
> > > + tdst->xi[6] = _mm_cmpistrm (src1->xi[5], src2->xi[6], 0x40);
> > > +
> > > + tdst->xi[7] = _mm_aesimc_si128 (src1->xi[7]);
> > > + tdst->xi[0] = _mm_aeskeygenassist_si128 (src1->xi[1], 0x1b);
> > > }
> > >
> > > -__attribute__((target("avx2")))
> > > +__attribute__((target("avx2,aes")))
> > > void vex_test ()
> > > {
> > >
> > > register tmp_u *tdst __asm__("%r16");
> > > register tmp_u *src1 __asm__("%r17");
> > > register tmp_u *src2 __asm__("%r18");
> > > -
> > > +
> > > + src1->xi[0] = _mm_minpos_epu16 (src1->xi[1]);
> > > + src1->a[2] = _mm256_testc_si256 (src1->yi[2], src2->yi[3]);
> > > + src1->xf[3] = _mm_round_ss (src1->xf[5], src2->xf[6],
> > > + _MM_FROUND_CUR_DIRECTION);
> > > + src1->yf[4] = _mm256_round_ps (src1->yf[2], _MM_FROUND_CUR_DIRECTION);
> > > + src1->xd[0] = _mm_round_sd (src1->xd[2], src2->xd[3],
> > > + _MM_FROUND_CUR_DIRECTION);
> > > + src1->yd[1] = _mm256_round_pd (src1->yd[3], _MM_FROUND_CUR_DIRECTION);
> > > +
> > > src1->yi[1] = _mm256_hadd_epi16 (tdst->yi[2], src2->yi[3]);
> > > src1->yi[2] = _mm256_hadd_epi32 (tdst->yi[0], src2->yi[1]);
> > > tdst->yi[3] = _mm256_hadds_epi16 (src1->yi[1], src2->yi[2]);
> > > @@ -98,7 +124,6 @@ void vex_test ()
> > > src1->yi[1] = _mm256_cmpgt_epi64 (tdst->yi[3], src2->yi[0]);
> > >
> > > tdst->yf[2] = _mm256_dp_ps (src1->yf[0], src2->yf[1], 0xbf);
> > > - tdst->xd[3] = _mm_dp_pd (src1->xd[0], src2->xd[1], 0xbf);
> > >
> > > tdst->yi[3] = _mm256_mpsadbw_epu8 (src1->yi[1], src2->yi[1], 0xc1);
> > >
> > > @@ -112,6 +137,14 @@ void vex_test ()
> > > tdst->yi[2] = _mm256_sign_epi8 (src1->yi[0], src2->yi[1]);
> > > tdst->yi[3] = _mm256_sign_epi16 (src1->yi[2], src2->yi[3]);
> > > tdst->yi[0] = _mm256_sign_epi32 (src1->yi[0], src2->yi[1]);
> > > +
> > > + tdst->a[2] = _mm_cmpestri (src1->xi[3], 16, src2->xi[4], 16, 0x0c);
> > > + tdst->xi[4] = _mm_cmpestrm (src1->xi[3], 16, src2->xi[4], 16, 0x20);
> > > + tdst->a[5] = _mm_cmpistri (src1->xi[5], src2->xi[6], 0x30);
> > > + tdst->xi[6] = _mm_cmpistrm (src1->xi[5], src2->xi[6], 0x40);
> > > +
> > > + tdst->xi[7] = _mm_aesimc_si128 (src1->xi[7]);
> > > + tdst->xi[0] = _mm_aeskeygenassist_si128 (src1->xi[1], 0x1b);
> > > }
> > >
> > > /* { dg-final { scan-assembler-not "v?pcmpeqq\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > @@ -134,3 +167,15 @@ void vex_test ()
> > > /* { dg-final { scan-assembler-not "v?psignb\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > /* { dg-final { scan-assembler-not "v?psignw\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > /* { dg-final { scan-assembler-not "v?psignd\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > +/* { dg-final { scan-assembler-not "v?phminposuw\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > +/* { dg-final { scan-assembler-not "v?ptest\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > +/* { dg-final { scan-assembler-not "v?roundss\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > +/* { dg-final { scan-assembler-not "v?roundsd\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > +/* { dg-final { scan-assembler-not "v?roundps\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > +/* { dg-final { scan-assembler-not "v?roundpd\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > +/* { dg-final { scan-assembler-not "v?pcmpestri\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > +/* { dg-final { scan-assembler-not "v?pcmpistri\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > +/* { dg-final { scan-assembler-not "v?pcmpestrm\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > +/* { dg-final { scan-assembler-not "v?pcmpistrm\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > +/* { dg-final { scan-assembler-not "v?aesimc\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > +/* { dg-final { scan-assembler-not "v?aeskeygenassist\[
> > > \\t]+\\\.\\\*r\(1\[6-9\]\|2\[0-9\]|30\|31\)" } } */
> > > --
> > > 2.31.1
> > >
