Re: [PATCH] RISC-V: Bugfix for rvv bool mode precision adjustment

[Kito Cheng <kito.cheng@gmail.com>]

Hi Richard Sandiford:

RISC-V part is OK to me, could you review the ADJUST_PRECISION part to
make sure this change is reasonable?

Thanks :)

On Tue, Feb 21, 2023 at 2:37 PM Li, Pan2 via Gcc-patches
<gcc-patches@gcc.gnu.org> wrote:
>
> Hi,
>
> Kindly reminder for this PR.
>
> Pan
>
> -----Original Message-----
> From: Li, Pan2
> Sent: Friday, February 17, 2023 4:39 PM
> To: richard.sandiford@arm.com; juzhe.zhong <juzhe.zhong@rivai.ai>
> Cc: incarnation.p.lee@outlook.com; gcc-patches@gcc.gnu.org; kito.cheng@sifive.com; Richard Biener <rguenther@suse.de>
> Subject: RE: [PATCH] RISC-V: Bugfix for rvv bool mode precision adjustment
>
> Cool, thank you!
>
> Hi Richard S,
>
> Could you please help to do me a fever for this change when you free? Thank you!
>
> Pan
>
> -----Original Message-----
> From: Richard Biener <rguenther@suse.de>
> Sent: Friday, February 17, 2023 3:36 PM
> To: juzhe.zhong <juzhe.zhong@rivai.ai>
> Cc: incarnation.p.lee@outlook.com; gcc-patches@gcc.gnu.org; kito.cheng@sifive.com; Li, Pan2 <pan2.li@intel.com>; richard.sandiford@arm.com
> Subject: Re: [PATCH] RISC-V: Bugfix for rvv bool mode precision adjustment
>
> On Thu, 16 Feb 2023, juzhe.zhong wrote:
>
> > Thanks for the great work to fix this issue for rvv.Hi，richard. This
> > is the patch to differentiate mask mode of same bytesize. Adjust the
> > precision correctly according to rvv isa. Would you mind helping us
> > with this patch ？
> > Since it‘s very important for rvv support in gcc
>
> If adjusting the precision works fine then I suppose the patch looks reasonable.  I'll defer to Richard S. though since he's the one knowing the mode stuff better.  I'd have integrated the precision adjustment with the ADJUST_NITER hook since that is also documented to adjust the precision btw.
>
> Richard.
>
> > Thanks.
> > ---- Replied Message ----
> > From
> > incarnation.p.lee@outlook.com<incarnation.p.lee@outlook.com>
> > Date
> > 02/16/2023 23:12
> > To
> > gcc-patches@gcc.gnu.org<gcc-patches@gcc.gnu.org>
> > Cc
> > juzhe.zhong@rivai.ai<juzhe.zhong@rivai.ai>,
> > kito.cheng@sifive.com<kito.cheng@sifive.com>,
> > rguenther@suse.de<rguenther@suse.de>,
> > pan2.li@intel.com<pan2.li@intel.com>
> > Subject
> > [PATCH] RISC-V: Bugfix for rvv bool mode precision adjustment
> > From: Pan Li <pan2.li@intel.com>
> >
> >    Fix the bug of the rvv bool mode precision with the adjustment.
> >    The bits size of vbool*_t will be adjusted to
> >    [1, 2, 4, 8, 16, 32, 64] according to the rvv spec 1.0 isa. The
> >    adjusted mode precison of vbool*_t will help underlying pass to
> >    make the right decision for both the correctness and optimization.
> >
> >    Given below sample code:
> >    void test_1(int8_t * restrict in, int8_t * restrict out)
> >    {
> >      vbool8_t v2 = *(vbool8_t*)in;
> >      vbool16_t v5 = *(vbool16_t*)in;
> >      *(vbool16_t*)(out + 200) = v5;
> >      *(vbool8_t*)(out + 100) = v2;
> >    }
> >
> >    Before the precision adjustment:
> >    addi    a4,a1,100
> >    vsetvli a5,zero,e8,m1,ta,ma
> >    addi    a1,a1,200
> >    vlm.v   v24,0(a0)
> >    vsm.v   v24,0(a4)
> >    // Need one vsetvli and vlm.v for correctness here.
> >    vsm.v   v24,0(a1)
> >
> >    After the precision adjustment:
> >    csrr    t0,vlenb
> >    slli    t1,t0,1
> >    csrr    a3,vlenb
> >    sub     sp,sp,t1
> >    slli    a4,a3,1
> >    add     a4,a4,sp
> >    sub     a3,a4,a3
> >    vsetvli a5,zero,e8,m1,ta,ma
> >    addi    a2,a1,200
> >    vlm.v   v24,0(a0)
> >    vsm.v   v24,0(a3)
> >    addi    a1,a1,100
> >    vsetvli a4,zero,e8,mf2,ta,ma
> >    csrr    t0,vlenb
> >    vlm.v   v25,0(a3)
> >    vsm.v   v25,0(a2)
> >    slli    t1,t0,1
> >    vsetvli a5,zero,e8,m1,ta,ma
> >    vsm.v   v24,0(a1)
> >    add     sp,sp,t1
> >    jr      ra
> >
> >    However, there may be some optimization opportunates after
> >    the mode precision adjustment. It can be token care of in
> >    the RISC-V backend in the underlying separted PR(s).
> >
> >    PR 108185
> >    PR 108654
> >
> > gcc/ChangeLog:
> >
> >    * config/riscv/riscv-modes.def (ADJUST_PRECISION):
> >    * config/riscv/riscv.cc (riscv_v_adjust_precision):
> >    * config/riscv/riscv.h (riscv_v_adjust_precision):
> >    * genmodes.cc (ADJUST_PRECISION):
> >    (emit_mode_adjustments):
> >
> > gcc/testsuite/ChangeLog:
> >
> >    * gcc.target/riscv/pr108185-1.c: New test.
> >    * gcc.target/riscv/pr108185-2.c: New test.
> >    * gcc.target/riscv/pr108185-3.c: New test.
> >    * gcc.target/riscv/pr108185-4.c: New test.
> >    * gcc.target/riscv/pr108185-5.c: New test.
> >    * gcc.target/riscv/pr108185-6.c: New test.
> >    * gcc.target/riscv/pr108185-7.c: New test.
> >    * gcc.target/riscv/pr108185-8.c: New test.
> >
> > Signed-off-by: Pan Li <pan2.li@intel.com>
> > ---
> > gcc/config/riscv/riscv-modes.def            |  8 +++
> > gcc/config/riscv/riscv.cc                   | 12 ++++
> > gcc/config/riscv/riscv.h                    |  1 + gcc/genmodes.cc
> > | 25 ++++++- gcc/testsuite/gcc.target/riscv/pr108185-1.c | 68
> > ++++++++++++++++++ gcc/testsuite/gcc.target/riscv/pr108185-2.c | 68
> > ++++++++++++++++++ gcc/testsuite/gcc.target/riscv/pr108185-3.c | 68
> > ++++++++++++++++++ gcc/testsuite/gcc.target/riscv/pr108185-4.c | 68
> > ++++++++++++++++++ gcc/testsuite/gcc.target/riscv/pr108185-5.c | 68
> > ++++++++++++++++++ gcc/testsuite/gcc.target/riscv/pr108185-6.c | 68
> > ++++++++++++++++++ gcc/testsuite/gcc.target/riscv/pr108185-7.c | 68
> > ++++++++++++++++++ gcc/testsuite/gcc.target/riscv/pr108185-8.c | 77
> > +++++++++++++++++++++
> > 12 files changed, 598 insertions(+), 1 deletion(-) create mode 100644
> > gcc/testsuite/gcc.target/riscv/pr108185-1.c
> > create mode 100644 gcc/testsuite/gcc.target/riscv/pr108185-2.c
> > create mode 100644 gcc/testsuite/gcc.target/riscv/pr108185-3.c
> > create mode 100644 gcc/testsuite/gcc.target/riscv/pr108185-4.c
> > create mode 100644 gcc/testsuite/gcc.target/riscv/pr108185-5.c
> > create mode 100644 gcc/testsuite/gcc.target/riscv/pr108185-6.c
> > create mode 100644 gcc/testsuite/gcc.target/riscv/pr108185-7.c
> > create mode 100644 gcc/testsuite/gcc.target/riscv/pr108185-8.c
> >
> > diff --git a/gcc/config/riscv/riscv-modes.def
> > b/gcc/config/riscv/riscv-modes.def
> > index d5305efa8a6..110bddce851 100644
> > --- a/gcc/config/riscv/riscv-modes.def
> > +++ b/gcc/config/riscv/riscv-modes.def
> > @@ -72,6 +72,14 @@ ADJUST_BYTESIZE (VNx16BI, riscv_vector_chunks *
> > riscv_bytes_per_vector_chunk); ADJUST_BYTESIZE (VNx32BI,
> > riscv_vector_chunks * riscv_bytes_per_vector_chunk); ADJUST_BYTESIZE
> > (VNx64BI, riscv_v_adjust_nunits (VNx64BImode, 8));
> >
> > +ADJUST_PRECISION (VNx1BI, riscv_v_adjust_precision (VNx1BImode, 1));
> > +ADJUST_PRECISION (VNx2BI, riscv_v_adjust_precision (VNx2BImode, 2));
> > +ADJUST_PRECISION (VNx4BI, riscv_v_adjust_precision (VNx4BImode, 4));
> > +ADJUST_PRECISION (VNx8BI, riscv_v_adjust_precision (VNx8BImode, 8));
> > +ADJUST_PRECISION (VNx16BI, riscv_v_adjust_precision (VNx16BImode,
> > +16)); ADJUST_PRECISION (VNx32BI, riscv_v_adjust_precision
> > +(VNx32BImode, 32)); ADJUST_PRECISION (VNx64BI,
> > +riscv_v_adjust_precision (VNx64BImode, 64));
> > +
> > /*
> >    | Mode        | MIN_VLEN=32 | MIN_VLEN=32 | MIN_VLEN=64 |
> > MIN_VLEN=64 |
> >    |             | LMUL        | SEW/LMUL    | LMUL        | SEW/LMUL
> > | diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
> > index de3e1f903c7..cbe66c0e35b 100644
> > --- a/gcc/config/riscv/riscv.cc
> > +++ b/gcc/config/riscv/riscv.cc
> > @@ -1003,6 +1003,18 @@ riscv_v_adjust_nunits (machine_mode mode, int
> > scale)
> >   return scale;
> > }
> >
> > +/* Call from ADJUST_PRECISION in riscv-modes.def.  Return the correct
> > +   PRECISION size for corresponding machine_mode.  */
> > +
> > +poly_int64
> > +riscv_v_adjust_precision (machine_mode mode, int scale) {
> > +  if (riscv_v_ext_vector_mode_p (mode))
> > +    return riscv_vector_chunks * scale;
> > +
> > +  return scale;
> > +}
> > +
> > /* Return true if X is a valid address for machine mode MODE.  If it
> > is,
> >    fill in INFO appropriately.  STRICT_P is true if REG_OK_STRICT is
> > in
> >    effect.  */
> > diff --git a/gcc/config/riscv/riscv.h b/gcc/config/riscv/riscv.h index
> > 5bc7f2f467d..15b9317a8ce 100644
> > --- a/gcc/config/riscv/riscv.h
> > +++ b/gcc/config/riscv/riscv.h
> > @@ -1025,6 +1025,7 @@ extern unsigned riscv_stack_boundary; extern
> > unsigned riscv_bytes_per_vector_chunk; extern poly_uint16
> > riscv_vector_chunks; extern poly_int64 riscv_v_adjust_nunits (enum
> > machine_mode, int);
> > +extern poly_int64 riscv_v_adjust_precision (enum machine_mode, int);
> > /* The number of bits and bytes in a RVV vector.  */ #define
> > BITS_PER_RISCV_VECTOR (poly_uint16 (riscv_vector_chunks *
> > riscv_bytes_per_vector_chunk * 8)) #define BYTES_PER_RISCV_VECTOR
> > (poly_uint16 (riscv_vector_chunks *
> > riscv_bytes_per_vector_chunk))
> > diff --git a/gcc/genmodes.cc b/gcc/genmodes.cc index
> > 2d418f09aab..12f4e6335e6 100644
> > --- a/gcc/genmodes.cc
> > +++ b/gcc/genmodes.cc
> > @@ -114,6 +114,7 @@ static struct mode_adjust *adj_alignment; static
> > struct mode_adjust *adj_format; static struct mode_adjust *adj_ibit;
> > static struct mode_adjust *adj_fbit;
> > +static struct mode_adjust *adj_precision;
> >
> > /* Mode class operations.  */
> > static enum mode_class
> > @@ -819,6 +820,7 @@ make_vector_mode (enum mode_class bclass, #define
> > ADJUST_NUNITS(M, X)    _ADD_ADJUST (nunits, M, X, RANDOM, RANDOM)
> > #define ADJUST_BYTESIZE(M, X)  _ADD_ADJUST (bytesize, M, X, RANDOM,
> > RANDOM) #define ADJUST_ALIGNMENT(M, X) _ADD_ADJUST (alignment, M, X,
> > RANDOM, RANDOM)
> > +#define ADJUST_PRECISION(M, X) _ADD_ADJUST (precision, M, X, RANDOM,
> > RANDOM)
> > #define ADJUST_FLOAT_FORMAT(M, X)    _ADD_ADJUST (format, M, X, FLOAT,
> > FLOAT)
> > #define ADJUST_IBIT(M, X)  _ADD_ADJUST (ibit, M, X, ACCUM, UACCUM)
> > #define ADJUST_FBIT(M, X)  _ADD_ADJUST (fbit, M, X, FRACT, UACCUM) @@
> > -1829,7 +1831,15 @@ emit_mode_adjustments (void)
> >          " (mode_precision[E_%smode], mode_nunits[E_%smode]);\n",
> >          m->name, m->name);
> >       printf ("    mode_precision[E_%smode] = ps * old_factor;\n",
> > m->name);
> > -      printf ("    mode_size[E_%smode] = exact_div
> > (mode_precision[E_%smode],"
> > +      /* Normalize the size to 1 if precison is less than BITS_PER_UNIT.
> >  */
> > +      printf ("    poly_uint16 size_one = "
> > +          "mode_precision[E_%smode].is_constant ()\n", m->name);
> > +      printf ("      ? poly_uint16 (1, 0) : poly_uint16 (1, 1);\n");
> > +      printf ("    if (known_lt (mode_precision[E_%smode], "
> > +          "size_one * BITS_PER_UNIT))\n", m->name);
> > +      printf ("      mode_size[E_%smode] = size_one;\n", m->name);
> > +      printf ("    else\n");
> > +      printf ("      mode_size[E_%smode] = exact_div
> > (mode_precision[E_%smode],"
> >          " BITS_PER_UNIT);\n", m->name, m->name);
> >       printf ("    mode_nunits[E_%smode] = ps;\n", m->name);
> >       printf ("    adjust_mode_mask (E_%smode);\n", m->name); @@
> > -1963,6 +1973,19 @@ emit_mode_adjustments (void)
> >     printf ("\n  /* %s:%d */\n  REAL_MODE_FORMAT (E_%smode) = %s;\n",
> >        a->file, a->line, a->mode->name, a->adjustment);
> >
> > +  /* Adjust precision to the actual bits size.  */
> > +  for (a = adj_precision; a; a = a->next)
> > +    switch (a->mode->cl)
> > +      {
> > +    case MODE_VECTOR_BOOL:
> > +      printf ("\n  /* %s:%d.  */\n  ps = %s;\n", a->file, a->line,
> > +          a->adjustment);
> > +      printf ("  mode_precision[E_%smode] = ps;\n", a->mode->name);
> > +      break;
> > +    default:
> > +      break;
> > +      }
> > +
> >   puts ("}");
> > }
> >
> > diff --git a/gcc/testsuite/gcc.target/riscv/pr108185-1.c
> > b/gcc/testsuite/gcc.target/riscv/pr108185-1.c
> > new file mode 100644
> > index 00000000000..e70960c5b6d
> > --- /dev/null
> > +++ b/gcc/testsuite/gcc.target/riscv/pr108185-1.c
> > @@ -0,0 +1,68 @@
> > +/* { dg-do compile } */
> > +/* { dg-options "-march=rv64gcv -mabi=lp64 -O3" } */
> > +
> > +#include "riscv_vector.h"
> > +
> > +void
> > +test_vbool1_then_vbool2(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool1_t v1 = *(vbool1_t*)in;
> > +    vbool2_t v2 = *(vbool2_t*)in;
> > +
> > +    *(vbool1_t*)(out + 100) = v1;
> > +    *(vbool2_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool1_then_vbool4(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool1_t v1 = *(vbool1_t*)in;
> > +    vbool4_t v2 = *(vbool4_t*)in;
> > +
> > +    *(vbool1_t*)(out + 100) = v1;
> > +    *(vbool4_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool1_then_vbool8(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool1_t v1 = *(vbool1_t*)in;
> > +    vbool8_t v2 = *(vbool8_t*)in;
> > +
> > +    *(vbool1_t*)(out + 100) = v1;
> > +    *(vbool8_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool1_then_vbool16(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool1_t v1 = *(vbool1_t*)in;
> > +    vbool16_t v2 = *(vbool16_t*)in;
> > +
> > +    *(vbool1_t*)(out + 100) = v1;
> > +    *(vbool16_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool1_then_vbool32(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool1_t v1 = *(vbool1_t*)in;
> > +    vbool32_t v2 = *(vbool32_t*)in;
> > +
> > +    *(vbool1_t*)(out + 100) = v1;
> > +    *(vbool32_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool1_then_vbool64(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool1_t v1 = *(vbool1_t*)in;
> > +    vbool64_t v2 = *(vbool64_t*)in;
> > +
> > +    *(vbool1_t*)(out + 100) = v1;
> > +    *(vbool64_t*)(out + 200) = v2;
> > +}
> > +
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m8,\s*ta,\s*ma} 6 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m1,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vlm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 12 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vsm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 18 } } */
> > diff --git a/gcc/testsuite/gcc.target/riscv/pr108185-2.c
> > b/gcc/testsuite/gcc.target/riscv/pr108185-2.c
> > new file mode 100644
> > index 00000000000..dcc7a644a88
> > --- /dev/null
> > +++ b/gcc/testsuite/gcc.target/riscv/pr108185-2.c
> > @@ -0,0 +1,68 @@
> > +/* { dg-do compile } */
> > +/* { dg-options "-march=rv64gcv -mabi=lp64 -O3" } */
> > +
> > +#include "riscv_vector.h"
> > +
> > +void
> > +test_vbool2_then_vbool1(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool2_t v1 = *(vbool2_t*)in;
> > +    vbool1_t v2 = *(vbool1_t*)in;
> > +
> > +    *(vbool2_t*)(out + 100) = v1;
> > +    *(vbool1_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool2_then_vbool4(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool2_t v1 = *(vbool2_t*)in;
> > +    vbool4_t v2 = *(vbool4_t*)in;
> > +
> > +    *(vbool2_t*)(out + 100) = v1;
> > +    *(vbool4_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool2_then_vbool8(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool2_t v1 = *(vbool2_t*)in;
> > +    vbool8_t v2 = *(vbool8_t*)in;
> > +
> > +    *(vbool2_t*)(out + 100) = v1;
> > +    *(vbool8_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool2_then_vbool16(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool2_t v1 = *(vbool2_t*)in;
> > +    vbool16_t v2 = *(vbool16_t*)in;
> > +
> > +    *(vbool2_t*)(out + 100) = v1;
> > +    *(vbool16_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool2_then_vbool32(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool2_t v1 = *(vbool2_t*)in;
> > +    vbool32_t v2 = *(vbool32_t*)in;
> > +
> > +    *(vbool2_t*)(out + 100) = v1;
> > +    *(vbool32_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool2_then_vbool64(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool2_t v1 = *(vbool2_t*)in;
> > +    vbool64_t v2 = *(vbool64_t*)in;
> > +
> > +    *(vbool2_t*)(out + 100) = v1;
> > +    *(vbool64_t*)(out + 200) = v2;
> > +}
> > +
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m4,\s*ta,\s*ma} 6 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m1,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vlm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 12 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vsm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 17 } } */
> > diff --git a/gcc/testsuite/gcc.target/riscv/pr108185-3.c
> > b/gcc/testsuite/gcc.target/riscv/pr108185-3.c
> > new file mode 100644
> > index 00000000000..3af0513e006
> > --- /dev/null
> > +++ b/gcc/testsuite/gcc.target/riscv/pr108185-3.c
> > @@ -0,0 +1,68 @@
> > +/* { dg-do compile } */
> > +/* { dg-options "-march=rv64gcv -mabi=lp64 -O3" } */
> > +
> > +#include "riscv_vector.h"
> > +
> > +void
> > +test_vbool4_then_vbool1(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool4_t v1 = *(vbool4_t*)in;
> > +    vbool1_t v2 = *(vbool1_t*)in;
> > +
> > +    *(vbool4_t*)(out + 100) = v1;
> > +    *(vbool1_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool4_then_vbool2(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool4_t v1 = *(vbool4_t*)in;
> > +    vbool2_t v2 = *(vbool2_t*)in;
> > +
> > +    *(vbool4_t*)(out + 100) = v1;
> > +    *(vbool2_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool4_then_vbool8(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool4_t v1 = *(vbool4_t*)in;
> > +    vbool8_t v2 = *(vbool8_t*)in;
> > +
> > +    *(vbool4_t*)(out + 100) = v1;
> > +    *(vbool8_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool4_then_vbool16(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool4_t v1 = *(vbool4_t*)in;
> > +    vbool16_t v2 = *(vbool16_t*)in;
> > +
> > +    *(vbool4_t*)(out + 100) = v1;
> > +    *(vbool16_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool4_then_vbool32(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool4_t v1 = *(vbool4_t*)in;
> > +    vbool32_t v2 = *(vbool32_t*)in;
> > +
> > +    *(vbool4_t*)(out + 100) = v1;
> > +    *(vbool32_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool4_then_vbool64(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool4_t v1 = *(vbool4_t*)in;
> > +    vbool64_t v2 = *(vbool64_t*)in;
> > +
> > +    *(vbool4_t*)(out + 100) = v1;
> > +    *(vbool64_t*)(out + 200) = v2;
> > +}
> > +
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m2,\s*ta,\s*ma} 6 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m1,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vlm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 12 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vsm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 16 } } */
> > diff --git a/gcc/testsuite/gcc.target/riscv/pr108185-4.c
> > b/gcc/testsuite/gcc.target/riscv/pr108185-4.c
> > new file mode 100644
> > index 00000000000..ea3c360d756
> > --- /dev/null
> > +++ b/gcc/testsuite/gcc.target/riscv/pr108185-4.c
> > @@ -0,0 +1,68 @@
> > +/* { dg-do compile } */
> > +/* { dg-options "-march=rv64gcv -mabi=lp64 -O3" } */
> > +
> > +#include "riscv_vector.h"
> > +
> > +void
> > +test_vbool8_then_vbool1(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool8_t v1 = *(vbool8_t*)in;
> > +    vbool1_t v2 = *(vbool1_t*)in;
> > +
> > +    *(vbool8_t*)(out + 100) = v1;
> > +    *(vbool1_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool8_then_vbool2(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool8_t v1 = *(vbool8_t*)in;
> > +    vbool2_t v2 = *(vbool2_t*)in;
> > +
> > +    *(vbool8_t*)(out + 100) = v1;
> > +    *(vbool2_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool8_then_vbool4(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool8_t v1 = *(vbool8_t*)in;
> > +    vbool4_t v2 = *(vbool4_t*)in;
> > +
> > +    *(vbool8_t*)(out + 100) = v1;
> > +    *(vbool4_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool8_then_vbool16(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool8_t v1 = *(vbool8_t*)in;
> > +    vbool16_t v2 = *(vbool16_t*)in;
> > +
> > +    *(vbool8_t*)(out + 100) = v1;
> > +    *(vbool16_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool8_then_vbool32(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool8_t v1 = *(vbool8_t*)in;
> > +    vbool32_t v2 = *(vbool32_t*)in;
> > +
> > +    *(vbool8_t*)(out + 100) = v1;
> > +    *(vbool32_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool8_then_vbool64(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool8_t v1 = *(vbool8_t*)in;
> > +    vbool64_t v2 = *(vbool64_t*)in;
> > +
> > +    *(vbool8_t*)(out + 100) = v1;
> > +    *(vbool64_t*)(out + 200) = v2;
> > +}
> > +
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m1,\s*ta,\s*ma} 6 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vlm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 12 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vsm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 15 } } */
> > diff --git a/gcc/testsuite/gcc.target/riscv/pr108185-5.c
> > b/gcc/testsuite/gcc.target/riscv/pr108185-5.c
> > new file mode 100644
> > index 00000000000..9fc659d2402
> > --- /dev/null
> > +++ b/gcc/testsuite/gcc.target/riscv/pr108185-5.c
> > @@ -0,0 +1,68 @@
> > +/* { dg-do compile } */
> > +/* { dg-options "-march=rv64gcv -mabi=lp64 -O3" } */
> > +
> > +#include "riscv_vector.h"
> > +
> > +void
> > +test_vbool16_then_vbool1(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool16_t v1 = *(vbool16_t*)in;
> > +    vbool1_t v2 = *(vbool1_t*)in;
> > +
> > +    *(vbool16_t*)(out + 100) = v1;
> > +    *(vbool1_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool16_then_vbool2(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool16_t v1 = *(vbool16_t*)in;
> > +    vbool2_t v2 = *(vbool2_t*)in;
> > +
> > +    *(vbool16_t*)(out + 100) = v1;
> > +    *(vbool2_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool16_then_vbool4(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool16_t v1 = *(vbool16_t*)in;
> > +    vbool4_t v2 = *(vbool4_t*)in;
> > +
> > +    *(vbool16_t*)(out + 100) = v1;
> > +    *(vbool4_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool16_then_vbool8(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool16_t v1 = *(vbool16_t*)in;
> > +    vbool8_t v2 = *(vbool8_t*)in;
> > +
> > +    *(vbool16_t*)(out + 100) = v1;
> > +    *(vbool8_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool16_then_vbool32(int8_t * restrict in, int8_t * restrict
> > +out) {
> > +    vbool16_t v1 = *(vbool16_t*)in;
> > +    vbool32_t v2 = *(vbool32_t*)in;
> > +
> > +    *(vbool16_t*)(out + 100) = v1;
> > +    *(vbool32_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool16_then_vbool64(int8_t * restrict in, int8_t * restrict
> > +out) {
> > +    vbool16_t v1 = *(vbool16_t*)in;
> > +    vbool64_t v2 = *(vbool64_t*)in;
> > +
> > +    *(vbool16_t*)(out + 100) = v1;
> > +    *(vbool64_t*)(out + 200) = v2;
> > +}
> > +
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf2,\s*ta,\s*ma} 6 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m1,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vlm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 12 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vsm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 14 } } */
> > diff --git a/gcc/testsuite/gcc.target/riscv/pr108185-6.c
> > b/gcc/testsuite/gcc.target/riscv/pr108185-6.c
> > new file mode 100644
> > index 00000000000..98275e5267d
> > --- /dev/null
> > +++ b/gcc/testsuite/gcc.target/riscv/pr108185-6.c
> > @@ -0,0 +1,68 @@
> > +/* { dg-do compile } */
> > +/* { dg-options "-march=rv64gcv -mabi=lp64 -O3" } */
> > +
> > +#include "riscv_vector.h"
> > +
> > +void
> > +test_vbool32_then_vbool1(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool32_t v1 = *(vbool32_t*)in;
> > +    vbool1_t v2 = *(vbool1_t*)in;
> > +
> > +    *(vbool32_t*)(out + 100) = v1;
> > +    *(vbool1_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool32_then_vbool2(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool32_t v1 = *(vbool32_t*)in;
> > +    vbool2_t v2 = *(vbool2_t*)in;
> > +
> > +    *(vbool32_t*)(out + 100) = v1;
> > +    *(vbool2_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool32_then_vbool4(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool32_t v1 = *(vbool32_t*)in;
> > +    vbool4_t v2 = *(vbool4_t*)in;
> > +
> > +    *(vbool32_t*)(out + 100) = v1;
> > +    *(vbool4_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool32_then_vbool8(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool32_t v1 = *(vbool32_t*)in;
> > +    vbool8_t v2 = *(vbool8_t*)in;
> > +
> > +    *(vbool32_t*)(out + 100) = v1;
> > +    *(vbool8_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool32_then_vbool16(int8_t * restrict in, int8_t * restrict
> > +out) {
> > +    vbool32_t v1 = *(vbool32_t*)in;
> > +    vbool16_t v2 = *(vbool16_t*)in;
> > +
> > +    *(vbool32_t*)(out + 100) = v1;
> > +    *(vbool16_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool32_then_vbool64(int8_t * restrict in, int8_t * restrict
> > +out) {
> > +    vbool32_t v1 = *(vbool32_t*)in;
> > +    vbool64_t v2 = *(vbool64_t*)in;
> > +
> > +    *(vbool32_t*)(out + 100) = v1;
> > +    *(vbool64_t*)(out + 200) = v2;
> > +}
> > +
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf4,\s*ta,\s*ma} 6 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m1,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vlm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 12 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vsm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 13 } } */
> > diff --git a/gcc/testsuite/gcc.target/riscv/pr108185-7.c
> > b/gcc/testsuite/gcc.target/riscv/pr108185-7.c
> > new file mode 100644
> > index 00000000000..8f6f0b11f09
> > --- /dev/null
> > +++ b/gcc/testsuite/gcc.target/riscv/pr108185-7.c
> > @@ -0,0 +1,68 @@
> > +/* { dg-do compile } */
> > +/* { dg-options "-march=rv64gcv -mabi=lp64 -O3" } */
> > +
> > +#include "riscv_vector.h"
> > +
> > +void
> > +test_vbool64_then_vbool1(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool64_t v1 = *(vbool64_t*)in;
> > +    vbool1_t v2 = *(vbool1_t*)in;
> > +
> > +    *(vbool64_t*)(out + 100) = v1;
> > +    *(vbool1_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool64_then_vbool2(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool64_t v1 = *(vbool64_t*)in;
> > +    vbool2_t v2 = *(vbool2_t*)in;
> > +
> > +    *(vbool64_t*)(out + 100) = v1;
> > +    *(vbool2_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool64_then_vbool4(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool64_t v1 = *(vbool64_t*)in;
> > +    vbool4_t v2 = *(vbool4_t*)in;
> > +
> > +    *(vbool64_t*)(out + 100) = v1;
> > +    *(vbool4_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool64_then_vbool8(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool64_t v1 = *(vbool64_t*)in;
> > +    vbool8_t v2 = *(vbool8_t*)in;
> > +
> > +    *(vbool64_t*)(out + 100) = v1;
> > +    *(vbool8_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool64_then_vbool16(int8_t * restrict in, int8_t * restrict
> > +out) {
> > +    vbool64_t v1 = *(vbool64_t*)in;
> > +    vbool16_t v2 = *(vbool16_t*)in;
> > +
> > +    *(vbool64_t*)(out + 100) = v1;
> > +    *(vbool16_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool64_then_vbool32(int8_t * restrict in, int8_t * restrict
> > +out) {
> > +    vbool64_t v1 = *(vbool64_t*)in;
> > +    vbool32_t v2 = *(vbool32_t*)in;
> > +
> > +    *(vbool64_t*)(out + 100) = v1;
> > +    *(vbool32_t*)(out + 200) = v2;
> > +}
> > +
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf8,\s*ta,\s*ma} 6 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m1,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vlm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 12 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vsm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 12 } } */
> > diff --git a/gcc/testsuite/gcc.target/riscv/pr108185-8.c
> > b/gcc/testsuite/gcc.target/riscv/pr108185-8.c
> > new file mode 100644
> > index 00000000000..d96959dd064
> > --- /dev/null
> > +++ b/gcc/testsuite/gcc.target/riscv/pr108185-8.c
> > @@ -0,0 +1,77 @@
> > +/* { dg-do compile } */
> > +/* { dg-options "-march=rv64gcv -mabi=lp64 -O3" } */
> > +
> > +#include "riscv_vector.h"
> > +
> > +void
> > +test_vbool1_then_vbool1(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool1_t v1 = *(vbool1_t*)in;
> > +    vbool1_t v2 = *(vbool1_t*)in;
> > +
> > +    *(vbool1_t*)(out + 100) = v1;
> > +    *(vbool1_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool2_then_vbool2(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool2_t v1 = *(vbool2_t*)in;
> > +    vbool2_t v2 = *(vbool2_t*)in;
> > +
> > +    *(vbool2_t*)(out + 100) = v1;
> > +    *(vbool2_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool4_then_vbool4(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool4_t v1 = *(vbool4_t*)in;
> > +    vbool4_t v2 = *(vbool4_t*)in;
> > +
> > +    *(vbool4_t*)(out + 100) = v1;
> > +    *(vbool4_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool8_then_vbool8(int8_t * restrict in, int8_t * restrict out)
> > +{
> > +    vbool8_t v1 = *(vbool8_t*)in;
> > +    vbool8_t v2 = *(vbool8_t*)in;
> > +
> > +    *(vbool8_t*)(out + 100) = v1;
> > +    *(vbool8_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool16_then_vbool16(int8_t * restrict in, int8_t * restrict
> > +out) {
> > +    vbool16_t v1 = *(vbool16_t*)in;
> > +    vbool16_t v2 = *(vbool16_t*)in;
> > +
> > +    *(vbool16_t*)(out + 100) = v1;
> > +    *(vbool16_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool32_then_vbool32(int8_t * restrict in, int8_t * restrict
> > +out) {
> > +    vbool32_t v1 = *(vbool32_t*)in;
> > +    vbool32_t v2 = *(vbool32_t*)in;
> > +
> > +    *(vbool32_t*)(out + 100) = v1;
> > +    *(vbool32_t*)(out + 200) = v2;
> > +}
> > +
> > +void
> > +test_vbool64_then_vbool64(int8_t * restrict in, int8_t * restrict
> > +out) {
> > +    vbool64_t v1 = *(vbool64_t*)in;
> > +    vbool64_t v2 = *(vbool64_t*)in;
> > +
> > +    *(vbool64_t*)(out + 100) = v1;
> > +    *(vbool64_t*)(out + 200) = v2;
> > +}
> > +
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*m1,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf2,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf4,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > {vsetvli\s+[a-x][0-9]+,\s*zero,\s*e8,\s*mf8,\s*ta,\s*ma} 1 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vlm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 7 } } */
> > +/* { dg-final { scan-assembler-times
> > +{vsm\.v\s+v[0-9]+,\s*0\([a-x][0-9]+\)}
> > 14 } } */
> > --
> > 2.34.1
> >
> >
> >
>
> --
> Richard Biener <rguenther@suse.de>
> SUSE Software Solutions Germany GmbH, Frankenstrasse 146, 90461 Nuernberg, Germany; GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman; HRB 36809 (AG Nuernberg)