Hi,

On Wed, 13 May 2020 at 11:47, Srinath Parvathaneni
<srinath.parvathan...@arm.com> wrote:
>
> Hello,
>
> Few MVE intrinsics like vldrbq_s32, vldrhq_s32 etc., the assembler 
> instructions generated by current compiler are wrong.
> eg: vldrbq_s32 generates an assembly instructions `vldrb.s32 q0,[ip]`.
> But as per Arm-arm second argument in above instructions must also be a low 
> register (<= r7).

How did you catch this? Does gas complain?

If so, then do the existing tests pass (I mean before your patch)?


> This patch fixes this issue by creating a new predicate "mve_memory_operand" 
> and constraint "Ux" which allows low registers
> as arguments to the generated instructions depending on the mode of the 
> argument.
> A new constraint "Ul" is created to handle loading to PC-relative addressing 
> modes for vector store/load intrinsiscs.
>
> All the corresponding MVE intrinsic generating wrong code-gen as vldrbq_s32 
> are modified in this patch.
>
>
> Please refer to M-profile Vector Extension (MVE) intrinsics [1] and Armv8-M 
> Architecture Reference Manual [2] for more details.
> [1] 
> https://developer.arm.com/architectures/instruction-sets/simd-isas/helium/mve-intrinsics
> [2] https://developer.arm.com/docs/ddi0553/latest
>
> Regression tested on arm-none-eabi and found no regressions.
>
> Ok for trunk? If ok, can I also back-port this patch to GCC-10 branch?
>
> Thanks,
> Srinath.
>
> gcc/ChangeLog:
>
> 2020-05-13  Srinath Parvathaneni  <srinath.parvathan...@arm.com>
>             Andre Vieira  <andre.simoesdiasvie...@arm.com>
>
>         PR target/94959
>         * config/arm/arm-protos.h (arm_mode_base_reg_class): Function
>         declaration.
>         (mve_vector_mem_operand): Likewise.
>         * config/arm/arm.c (thumb2_legitimate_address_p): For MVE target check
>         the load from memory to a core register is legitimate for give mode.
>         (mve_vector_mem_operand): Define function.
>         (arm_print_operand): Modify comment.
>         (arm_mode_base_reg_class): Define.
>         * config/arm/arm.h (MODE_BASE_REG_CLASS): Modify to add check for
>         TARGET_HAVE_MVE and expand to arm_mode_base_reg_class on TRUE.
>         * config/arm/constraints.md (Ux): Likewise.
>         (Ul): Likewise.
>         * config/arm/mve.md (mve_mov): Replace constraint Us with Ux and also
>         add support for missing Vector Store Register and Vector Load 
> Register.
>         Add a new alternative to support load from memory to PC (or label) in
>         vector store/load.
>         (mve_vstrbq_<supf><mode>): Modify constraint Us to Ux.
>         (mve_vldrbq_<supf><mode>): Modify constriant Us to Ux, predicate to
>         mve_memory_operand and also modify the MVE instructions to emit.
>         (mve_vldrbq_z_<supf><mode>): Modify constraint Us to Ux.
>         (mve_vldrhq_fv8hf): Modify constriant Us to Ux, predicate to
>         mve_memory_operand and also modify the MVE instructions to emit.
>         (mve_vldrhq_<supf><mode>): Modify constriant Us to Ux, predicate to
>         mve_memory_operand and also modify the MVE instructions to emit.
>         (mve_vldrhq_z_fv8hf): Likewise.
>         (mve_vldrhq_z_<supf><mode>): Likewise.
>         (mve_vldrwq_fv4sf): Likewise.
>         (mve_vldrwq_<supf>v4si): Likewise.
>         (mve_vldrwq_z_fv4sf): Likewise.
>         (mve_vldrwq_z_<supf>v4si): Likewise.
>         (mve_vld1q_f<mode>): Modify constriant Us to Ux.
>         (mve_vld1q_<supf><mode>): Likewise.
>         (mve_vstrhq_fv8hf): Modify constriant Us to Ux, predicate to
>         mve_memory_operand.
>         (mve_vstrhq_p_fv8hf): Modify constriant Us to Ux, predicate to
>         mve_memory_operand and also modify the MVE instructions to emit.
>         (mve_vstrhq_p_<supf><mode>): Likewise.
>         (mve_vstrhq_<supf><mode>): Modify constriant Us to Ux, predicate to
>         mve_memory_operand.
>         (mve_vstrwq_fv4sf): Modify constriant Us to Ux.
>         (mve_vstrwq_p_fv4sf): Modify constriant Us to Ux and also modify the 
> MVE
>         instructions to emit.
>         (mve_vstrwq_p_<supf>v4si): Likewise.
>         (mve_vstrwq_<supf>v4si): Likewise.Modify constriant Us to Ux.
>         * config/arm/predicates.md (mve_memory_operand): Define.
>
> gcc/testsuite/ChangeLog:
>
> 2020-05-13  Srinath Parvathaneni  <srinath.parvathan...@arm.com>
>
>         PR target/94959
>         * gcc.target/arm/mve/intrinsics/mve_vector_float2.c: Modify.
>         * gcc.target/arm/mve/intrinsics/vld1q_f16.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_f32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_s16.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_s32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_s8.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_u16.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_u32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_u8.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_z_f16.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_z_f32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_z_s16.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_z_s32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_z_s8.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_z_u16.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_z_u32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vld1q_z_u8.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrbq_s8.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrbq_u8.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrbq_z_s8.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrbq_z_u8.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_s64.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_u64.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_z_s64.c: 
> Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_z_u64.c: 
> Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrhq_f16.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrhq_s16.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrhq_s32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrhq_u16.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrhq_u32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrhq_z_f16.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrhq_z_s16.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrhq_z_s32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrhq_z_u16.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrhq_z_u32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrwq_f32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_f32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_s32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_u32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_f32.c: 
> Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_s32.c: 
> Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_u32.c: 
> Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrwq_s32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrwq_u32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrwq_z_f32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrwq_z_s32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vldrwq_z_u32.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vuninitializedq_float.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vuninitializedq_float1.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vuninitializedq_int.c: Likewise.
>         * gcc.target/arm/mve/intrinsics/vuninitializedq_int1.c: Likewise.
>
>
>
> ###############     Attachment also inlined for ease of reply    
> ###############
>
>
> diff --git a/gcc/config/arm/arm-protos.h b/gcc/config/arm/arm-protos.h
> index 
> 9571b60f84f947851639de94501b8bccd0149727..33d162c3e00590ab96de56f20380f4ae4f200849
>  100644
> --- a/gcc/config/arm/arm-protos.h
> +++ b/gcc/config/arm/arm-protos.h
> @@ -64,6 +64,8 @@ extern bool arm_q_bit_access (void);
>  extern bool arm_ge_bits_access (void);
>
>  #ifdef RTX_CODE
> +enum reg_class
> +arm_mode_base_reg_class (machine_mode);
>  extern void arm_gen_unlikely_cbranch (enum rtx_code, machine_mode cc_mode,
>                                       rtx label_ref);
>  extern bool arm_vector_mode_supported_p (machine_mode);
> @@ -114,6 +116,7 @@ extern bool arm_tls_referenced_p (rtx);
>
>  extern int arm_coproc_mem_operand (rtx, bool);
>  extern int neon_vector_mem_operand (rtx, int, bool);
> +extern int mve_vector_mem_operand (machine_mode, rtx, bool);
>  extern int neon_struct_mem_operand (rtx);
>
>  extern rtx *neon_vcmla_lane_prepare_operands (rtx *);
> diff --git a/gcc/config/arm/arm.h b/gcc/config/arm/arm.h
> index 
> 0126f390abb2650e0b81cb59d55b1ce608490d4a..30e1d6dc994e18012fd2e5a1bbd7c69134ee100c
>  100644
> --- a/gcc/config/arm/arm.h
> +++ b/gcc/config/arm/arm.h
> @@ -1292,11 +1292,13 @@ extern const char *fp_sysreg_names[NB_FP_SYSREGS];
>
>  /* For the Thumb the high registers cannot be used as base registers
>     when addressing quantities in QI or HI mode; if we don't know the
> -   mode, then we must be conservative.  */
> +   mode, then we must be conservative. For MVE we need to load from
> +   memory to low regs based on given modes i.e [Rn], Rn <= LO_REGS.  */
>  #define MODE_BASE_REG_CLASS(MODE)                              \
> -  (TARGET_32BIT ? CORE_REGS                                    \
> +   (TARGET_HAVE_MVE ? arm_mode_base_reg_class (MODE)           \
> +   :(TARGET_32BIT ? CORE_REGS                                  \
>     : GET_MODE_SIZE (MODE) >= 4 ? BASE_REGS                     \
> -   : LO_REGS)
> +   : LO_REGS))
>
>  /* For Thumb we cannot support SP+reg addressing, so we return LO_REGS
>     instead of BASE_REGS.  */
> diff --git a/gcc/config/arm/arm.c b/gcc/config/arm/arm.c
> index 
> d50781953c01b118769167356b3862be9d9f817b..bd8e25bc814da11a7da60c925020ea5c1d302c1c
>  100644
> --- a/gcc/config/arm/arm.c
> +++ b/gcc/config/arm/arm.c
> @@ -8443,6 +8443,10 @@ thumb2_legitimate_address_p (machine_mode mode, rtx x, 
> int strict_p)
>    bool use_ldrd;
>    enum rtx_code code = GET_CODE (x);
>
> +  if (TARGET_HAVE_MVE
> +      && (mode == V8QImode || mode == E_V4QImode || mode == V4HImode))
> +    return mve_vector_mem_operand (mode, x, strict_p);
> +
>    if (arm_address_register_rtx_p (x, strict_p))
>      return 1;
>
> @@ -13259,6 +13263,79 @@ arm_coproc_mem_operand (rtx op, bool wb)
>    return FALSE;
>  }
>
> +/* This function returns TRUE on matching mode and op.
> +1. For given modes, check for [Rn], return TRUE for Rn <= LO_REGS.
> +2. For other modes, check for [Rn], return TRUE for Rn < R15 (expect R13).  
> */
> +int
> +mve_vector_mem_operand (machine_mode mode, rtx op, bool strict)
> +{
> +  enum rtx_code code;
> +  int val, reg_no;
> +
> +  /* Match: (mem (reg)).  */
> +  if (REG_P (op))
> +    {
> +      int reg_no = REGNO (op);
> +      return (((mode == E_V8QImode || mode == E_V4QImode || mode == 
> E_V4HImode)
> +              ? reg_no <= LAST_LO_REGNUM
> +              :(reg_no < LAST_ARM_REGNUM && reg_no != SP_REGNUM))
> +             || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
> +    }
> +  code = GET_CODE (op);
> +
> +  if (code == POST_INC || code == PRE_DEC
> +      || code == PRE_INC || code == POST_DEC)
> +    {
> +      reg_no = REGNO (XEXP (op, 0));
> +      return (((mode == E_V8QImode || mode == E_V4QImode || mode == 
> E_V4HImode)
> +              ? reg_no <= LAST_LO_REGNUM
> +              :(reg_no < LAST_ARM_REGNUM && reg_no != SP_REGNUM))
> +             || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
> +    }
> +  else if ((code == POST_MODIFY || code == PRE_MODIFY)
> +          && GET_CODE (XEXP (op, 1)) == PLUS && REG_P (XEXP (XEXP (op, 1), 
> 1)))
> +    {
> +      reg_no = REGNO (XEXP (op, 0));
> +      val = INTVAL (XEXP ( XEXP (op, 1), 1));
> +      switch (mode)
> +       {
> +         case E_V16QImode:
> +           if (abs (val) <= 127)
> +             return ((reg_no < LAST_ARM_REGNUM && reg_no != SP_REGNUM)
> +                     || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
> +         case E_V8HImode:
> +         case E_V8HFmode:
> +           if (abs (val) <= 255)
> +             return ((reg_no < LAST_ARM_REGNUM && reg_no != SP_REGNUM)
> +                     || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
> +         case E_V8QImode:
> +         case E_V4QImode:
> +           if (abs (val) <= 127)
> +             return (reg_no <= LAST_LO_REGNUM
> +                     || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
> +         case E_V4HImode:
> +         case E_V4HFmode:
> +           if (val % 2 == 0 && abs (val) <= 254)
> +             return (reg_no <= LAST_LO_REGNUM
> +                     || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
> +         case E_V4SImode:
> +         case E_V4SFmode:
> +           if (val % 4 == 0 && abs (val) <= 508)
> +             return ((reg_no < LAST_ARM_REGNUM && reg_no != SP_REGNUM)
> +                     || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
> +         case E_V2DImode:
> +         case E_V2DFmode:
> +         case E_TImode:
> +           if (val % 4 == 0 && val >= 0 && val <= 1020)
> +             return ((reg_no < LAST_ARM_REGNUM && reg_no != SP_REGNUM)
> +                     || (!strict && reg_no >= FIRST_PSEUDO_REGISTER));
> +         default:
> +           return FALSE;
> +       }
> +    }
> +  return FALSE;
> +}
> +
>  /* Return TRUE if OP is a memory operand which we can load or store a vector
>     to/from. TYPE is one of the following values:
>      0 - Vector load/stor (vldr)
> @@ -13326,15 +13403,6 @@ neon_vector_mem_operand (rtx op, int type, bool 
> strict)
>        && (INTVAL (XEXP (ind, 1)) & 3) == 0)
>      return TRUE;
>
> -  if (type == 1 && TARGET_HAVE_MVE
> -      && (GET_CODE (ind) == POST_INC || GET_CODE (ind) == PRE_DEC))
> -    {
> -      rtx ind1 = XEXP (ind, 0);
> -      if (!REG_P (ind1))
> -       return 0;
> -      return VFP_REGNO_OK_FOR_SINGLE (REGNO (ind1));
> -    }
> -
>    return FALSE;
>  }
>
> @@ -24021,7 +24089,7 @@ arm_print_operand (FILE *stream, rtx x, int code)
>        }
>        return;
>
> -    /* To print the memory operand with "Us" constraint.  Based on the 
> rtx_code
> +    /* To print the memory operand with "Ux" constraint.  Based on the 
> rtx_code
>         the memory operands output looks like following.
>         1. [Rn], #+/-<imm>
>         2. [Rn, #+/-<imm>]!
> @@ -33391,6 +33459,18 @@ arm_gen_far_branch (rtx * operands, int pos_label, 
> const char * dest,
>    return "";
>  }
>
> +/* If given mode matches, load from memory to LO_REGS.
> +   (i.e [Rn], Rn <= LO_REGS).  */
> +enum reg_class
> +arm_mode_base_reg_class (machine_mode mode)
> +{
> +  if (TARGET_HAVE_MVE
> +      && (mode == E_V8QImode || mode == E_V4QImode || mode == E_V4HImode))
> +    return LO_REGS;
> +
> +  return MODE_BASE_REG_REG_CLASS (mode);
> +}
> +
>  struct gcc_target targetm = TARGET_INITIALIZER;
>
>  #include "gt-arm.h"
> diff --git a/gcc/config/arm/constraints.md b/gcc/config/arm/constraints.md
> index 
> fed6c7c84032dd8aba45142b59b980b4a6240d6d..011badc9957655a0fba67946c1db6fa6334b2bbb
>  100644
> --- a/gcc/config/arm/constraints.md
> +++ b/gcc/config/arm/constraints.md
> @@ -39,7 +39,7 @@
>  ;; in all states: Pf, Pg
>
>  ;; The following memory constraints have been used:
> -;; in ARM/Thumb-2 state: Uh, Ut, Uv, Uy, Un, Um, Us, Up, Uf
> +;; in ARM/Thumb-2 state: Uh, Ut, Uv, Uy, Un, Um, Us, Up, Uf, Ux, Ul
>  ;; in ARM state: Uq
>  ;; in Thumb state: Uu, Uw
>  ;; in all states: Q
> @@ -47,6 +47,18 @@
>  (define_register_constraint "Up" "TARGET_HAVE_MVE ? VPR_REG : NO_REGS"
>    "MVE VPR register")
>
> +(define_memory_constraint "Ul"
> + "@internal
> +  In ARM/Thumb-2 state a valid address for load instruction with XEXP (op, 0)
> +  being label of the literal data item to be loaded."
> + (and (match_code "mem")
> +      (match_test "TARGET_HAVE_MVE && reload_completed
> +                  && (GET_CODE (XEXP (op, 0)) == LABEL_REF
> +                      || (GET_CODE (XEXP (op, 0)) == CONST
> +                          && GET_CODE (XEXP (XEXP (op, 0), 0)) == PLUS
> +                          && GET_CODE (XEXP (XEXP (XEXP (op, 0), 0), 0)) == 
> LABEL_REF
> +                          && CONST_INT_P (XEXP (XEXP (XEXP (op, 0), 0), 
> 1))))")))
> +
>  (define_register_constraint "Uf" "TARGET_HAVE_MVE ? VFPCC_REG : NO_REGS"
>    "MVE FPCCR register")
>
> @@ -467,6 +479,15 @@
>   (and (match_code "mem")
>        (match_test "TARGET_32BIT && neon_vector_mem_operand (op, 1, true)")))
>
> +(define_memory_constraint "Ux"
> + "@internal
> +  In ARM/Thumb-2 state a valid address and load into CORE regs or only to
> +  LO_REGS based on mode of op."
> + (and (match_code "mem")
> +      (match_test "(TARGET_HAVE_MVE || TARGET_HAVE_MVE_FLOAT)
> +                  && mve_vector_mem_operand (GET_MODE (op),
> +                                             XEXP (op, 0), true)")))
> +
>  (define_memory_constraint "Uq"
>   "@internal
>    In ARM state an address valid in ldrsb instructions."
> diff --git a/gcc/config/arm/mve.md b/gcc/config/arm/mve.md
> index 
> f43dabbfd4f15b602f0627a9b0ea423064501e51..986fbfe2abae5f1e91e65f1ff5c84709c43c4617
>  100644
> --- a/gcc/config/arm/mve.md
> +++ b/gcc/config/arm/mve.md
> @@ -666,8 +666,8 @@
>  (define_int_iterator VSHLCQ_M [VSHLCQ_M_S VSHLCQ_M_U])
>
>  (define_insn "*mve_mov<mode>"
> -  [(set (match_operand:MVE_types 0 "nonimmediate_operand" 
> "=w,w,r,w,w,r,w,Us")
> -       (match_operand:MVE_types 1 "general_operand" "w,r,w,Dn,Usi,r,Dm,w"))]
> +  [(set (match_operand:MVE_types 0 "nonimmediate_operand" 
> "=w,w,r,w,w,r,w,Ux,w")
> +       (match_operand:MVE_types 1 "general_operand" 
> "w,r,w,Dn,Uxi,r,Dm,w,Ul"))]
>    "TARGET_HAVE_MVE || TARGET_HAVE_MVE_FLOAT"
>  {
>    if (which_alternative == 3 || which_alternative == 6)
> @@ -686,6 +686,50 @@
>         sprintf (templ, "vmov.i%d\t%%q0, %%x1  @ <mode>", width);
>        return templ;
>      }
> +
> +  if (which_alternative == 4 || which_alternative == 7)
> +    {
> +      rtx ops[2];
> +      int regno = (which_alternative == 7)
> +                 ? REGNO (operands[1]) : REGNO (operands[0]);
> +
> +      ops[0] = operands[0];
> +      ops[1] = operands[1];
> +      if (<MODE>mode == V2DFmode || <MODE>mode == V2DImode)
> +       {
> +         if (which_alternative == 7)
> +           {
> +             ops[1] = gen_rtx_REG (DImode, regno);
> +             output_asm_insn ("vstr.64\t%P1, %E0",ops);
> +           }
> +         else
> +           {
> +             ops[0] = gen_rtx_REG (DImode, regno);
> +             output_asm_insn ("vldr.64\t%P0, %E1",ops);
> +           }
> +       }
> +      else if (<MODE>mode == TImode)
> +       {
> +         if (which_alternative == 7)
> +           output_asm_insn ("vstr.64\t%q1, %E0",ops);
> +         else
> +           output_asm_insn ("vldr.64\t%q0, %E1",ops);
> +       }
> +      else
> +       {
> +         if (which_alternative == 7)
> +           {
> +             ops[1] = gen_rtx_REG (TImode, regno);
> +             output_asm_insn ("vstr<V_sz_elem1>.<V_sz_elem>\t%q1, %E0",ops);
> +           }
> +         else
> +           {
> +             ops[0] = gen_rtx_REG (TImode, regno);
> +             output_asm_insn ("vldr<V_sz_elem1>.<V_sz_elem>\t%q0, %E1",ops);
> +           }
> +       }
> +      return "";
> +    }
>    switch (which_alternative)
>      {
>      case 0:
> @@ -694,26 +738,19 @@
>        return "vmov\t%e0, %Q1, %R1  @ <mode>\;vmov\t%f0, %J1, %K1";
>      case 2:
>        return "vmov\t%Q0, %R0, %e1  @ <mode>\;vmov\t%J0, %K0, %f1";
> -    case 4:
> -      if (MEM_P (operands[1])
> -         && (GET_CODE (XEXP (operands[1], 0)) == LABEL_REF
> -             || GET_CODE (XEXP (operands[1], 0)) == CONST))
> -       return output_move_neon (operands);
> -      else
> -       return "vldrb.8 %q0, %E1";
>      case 5:
>        return output_move_quad (operands);
> -    case 7:
> -      return "vstrb.8 %q1, %E0";
> +    case 8:
> +       return output_move_neon (operands);
>      default:
>        gcc_unreachable ();
>        return "";
>      }
>  }
> -  [(set_attr "type" 
> "mve_move,mve_move,mve_move,mve_move,mve_load,multiple,mve_move,mve_store")
> -   (set_attr "length" "4,8,8,4,8,8,4,4")
> -   (set_attr "thumb2_pool_range" "*,*,*,*,1018,*,*,*")
> -   (set_attr "neg_pool_range" "*,*,*,*,996,*,*,*")])
> +  [(set_attr "type" 
> "mve_move,mve_move,mve_move,mve_move,mve_load,multiple,mve_move,mve_store,mve_load")
> +   (set_attr "length" "4,8,8,4,8,8,4,4,4")
> +   (set_attr "thumb2_pool_range" "*,*,*,*,1018,*,*,*,*")
> +   (set_attr "neg_pool_range" "*,*,*,*,996,*,*,*,*")])
>
>  (define_insn "*mve_mov<mode>"
>    [(set (match_operand:MVE_types 0 "s_register_operand" "=w,w")
> @@ -8047,7 +8084,7 @@
>  ;; [vstrbq_s vstrbq_u]
>  ;;
>  (define_insn "mve_vstrbq_<supf><mode>"
> -  [(set (match_operand:<MVE_B_ELEM> 0 "memory_operand" "=Us")
> +  [(set (match_operand:<MVE_B_ELEM> 0 "mve_memory_operand" "=Ux")
>         (unspec:<MVE_B_ELEM> [(match_operand:MVE_2 1 "s_register_operand" 
> "w")]
>          VSTRBQ))
>    ]
> @@ -8133,7 +8170,7 @@
>  ;;
>  (define_insn "mve_vldrbq_<supf><mode>"
>    [(set (match_operand:MVE_2 0 "s_register_operand" "=w")
> -       (unspec:MVE_2 [(match_operand:<MVE_B_ELEM> 1 "memory_operand" "Us")]
> +       (unspec:MVE_2 [(match_operand:<MVE_B_ELEM> 1 "mve_memory_operand" 
> "Ux")]
>          VLDRBQ))
>    ]
>    "TARGET_HAVE_MVE"
> @@ -8142,7 +8179,10 @@
>     int regno = REGNO (operands[0]);
>     ops[0] = gen_rtx_REG (TImode, regno);
>     ops[1]  = operands[1];
> -   output_asm_insn ("vldrb.<supf><V_sz_elem>\t%q0, %E1",ops);
> +   if (<V_sz_elem> == 8)
> +     output_asm_insn ("vldrb.<V_sz_elem>\t%q0, %E1",ops);
> +   else
> +     output_asm_insn ("vldrb.<supf><V_sz_elem>\t%q0, %E1",ops);
>     return "";
>  }
>    [(set_attr "length" "4")])
> @@ -8216,7 +8256,7 @@
>  ;; [vstrbq_p_s vstrbq_p_u]
>  ;;
>  (define_insn "mve_vstrbq_p_<supf><mode>"
> -  [(set (match_operand:<MVE_B_ELEM> 0 "memory_operand" "=Us")
> +  [(set (match_operand:<MVE_B_ELEM> 0 "mve_memory_operand" "=Ux")
>         (unspec:<MVE_B_ELEM> [(match_operand:MVE_2 1 "s_register_operand" "w")
>                               (match_operand:HI 2 "vpr_register_operand" 
> "Up")]
>          VSTRBQ))
> @@ -8227,7 +8267,7 @@
>     int regno = REGNO (operands[1]);
>     ops[1] = gen_rtx_REG (TImode, regno);
>     ops[0]  = operands[0];
> -   output_asm_insn ("vpst\n\tvstrbt.<V_sz_elem>\t%q1, %E0",ops);
> +   output_asm_insn ("vpst\;vstrbt.<V_sz_elem>\t%q1, %E0",ops);
>     return "";
>  }
>    [(set_attr "length" "8")])
> @@ -8262,7 +8302,7 @@
>  ;;
>  (define_insn "mve_vldrbq_z_<supf><mode>"
>    [(set (match_operand:MVE_2 0 "s_register_operand" "=w")
> -       (unspec:MVE_2 [(match_operand:<MVE_B_ELEM> 1 "memory_operand" "Us")
> +       (unspec:MVE_2 [(match_operand:<MVE_B_ELEM> 1 "mve_memory_operand" 
> "Ux")
>                        (match_operand:HI 2 "vpr_register_operand" "Up")]
>          VLDRBQ))
>    ]
> @@ -8272,7 +8312,10 @@
>     int regno = REGNO (operands[0]);
>     ops[0] = gen_rtx_REG (TImode, regno);
>     ops[1]  = operands[1];
> -   output_asm_insn ("vpst\n\tvldrbt.<supf><V_sz_elem>\t%q0, %E1",ops);
> +   if (<V_sz_elem> == 8)
> +     output_asm_insn ("vpst\;vldrbt.<V_sz_elem>\t%q0, %E1",ops);
> +   else
> +     output_asm_insn ("vpst\;vldrbt.<supf><V_sz_elem>\t%q0, %E1",ops);
>     return "";
>  }
>    [(set_attr "length" "8")])
> @@ -8303,7 +8346,7 @@
>  ;;
>  (define_insn "mve_vldrhq_fv8hf"
>    [(set (match_operand:V8HF 0 "s_register_operand" "=w")
> -       (unspec:V8HF [(match_operand:V8HI 1 "memory_operand" "Us")]
> +       (unspec:V8HF [(match_operand:V8HI 1 "mve_memory_operand" "Ux")]
>          VLDRHQ_F))
>    ]
>    "TARGET_HAVE_MVE && TARGET_HAVE_MVE_FLOAT"
> @@ -8312,7 +8355,7 @@
>     int regno = REGNO (operands[0]);
>     ops[0] = gen_rtx_REG (TImode, regno);
>     ops[1]  = operands[1];
> -   output_asm_insn ("vldrh.f16\t%q0, %E1",ops);
> +   output_asm_insn ("vldrh.16\t%q0, %E1",ops);
>     return "";
>  }
>    [(set_attr "length" "4")])
> @@ -8414,12 +8457,11 @@
>    [(set_attr "length" "8")])
>
>  ;;
> -;;
>  ;; [vldrhq_s, vldrhq_u]
>  ;;
>  (define_insn "mve_vldrhq_<supf><mode>"
>    [(set (match_operand:MVE_6 0 "s_register_operand" "=w")
> -       (unspec:MVE_6 [(match_operand:<MVE_H_ELEM> 1 "memory_operand" "Us")]
> +       (unspec:MVE_6 [(match_operand:<MVE_H_ELEM> 1 "mve_memory_operand" 
> "Ux")]
>          VLDRHQ))
>    ]
>    "TARGET_HAVE_MVE"
> @@ -8428,7 +8470,10 @@
>     int regno = REGNO (operands[0]);
>     ops[0] = gen_rtx_REG (TImode, regno);
>     ops[1]  = operands[1];
> -   output_asm_insn ("vldrh.<supf><V_sz_elem>\t%q0, %E1",ops);
> +   if (<V_sz_elem> == 16)
> +     output_asm_insn ("vldrh.16\t%q0, %E1",ops);
> +   else
> +     output_asm_insn ("vldrh.<supf><V_sz_elem>\t%q0, %E1",ops);
>     return "";
>  }
>    [(set_attr "length" "4")])
> @@ -8438,7 +8483,7 @@
>  ;;
>  (define_insn "mve_vldrhq_z_fv8hf"
>    [(set (match_operand:V8HF 0 "s_register_operand" "=w")
> -       (unspec:V8HF [(match_operand:V8HI 1 "memory_operand" "Us")
> +       (unspec:V8HF [(match_operand:V8HI 1 "mve_memory_operand" "Ux")
>         (match_operand:HI 2 "vpr_register_operand" "Up")]
>          VLDRHQ_F))
>    ]
> @@ -8448,7 +8493,7 @@
>     int regno = REGNO (operands[0]);
>     ops[0] = gen_rtx_REG (TImode, regno);
>     ops[1]  = operands[1];
> -   output_asm_insn ("vpst\n\tvldrht.f16\t%q0, %E1",ops);
> +   output_asm_insn ("vpst\;vldrht.16\t%q0, %E1",ops);
>     return "";
>  }
>    [(set_attr "length" "8")])
> @@ -8458,7 +8503,7 @@
>  ;;
>  (define_insn "mve_vldrhq_z_<supf><mode>"
>    [(set (match_operand:MVE_6 0 "s_register_operand" "=w")
> -       (unspec:MVE_6 [(match_operand:<MVE_H_ELEM> 1 "memory_operand" "Us")
> +       (unspec:MVE_6 [(match_operand:<MVE_H_ELEM> 1 "mve_memory_operand" 
> "Ux")
>         (match_operand:HI 2 "vpr_register_operand" "Up")]
>          VLDRHQ))
>    ]
> @@ -8468,7 +8513,10 @@
>     int regno = REGNO (operands[0]);
>     ops[0] = gen_rtx_REG (TImode, regno);
>     ops[1]  = operands[1];
> -   output_asm_insn ("vpst\n\tvldrht.<supf><V_sz_elem>\t%q0, %E1",ops);
> +   if (<V_sz_elem> == 16)
> +     output_asm_insn ("vpst\;vldrht.16\t%q0, %E1",ops);
> +   else
> +     output_asm_insn ("vpst\;vldrht.<supf><V_sz_elem>\t%q0, %E1",ops);
>     return "";
>  }
>    [(set_attr "length" "8")])
> @@ -8478,7 +8526,7 @@
>  ;;
>  (define_insn "mve_vldrwq_fv4sf"
>    [(set (match_operand:V4SF 0 "s_register_operand" "=w")
> -       (unspec:V4SF [(match_operand:V4SI 1 "memory_operand" "Us")]
> +       (unspec:V4SF [(match_operand:V4SI 1 "memory_operand" "Ux")]
>          VLDRWQ_F))
>    ]
>    "TARGET_HAVE_MVE && TARGET_HAVE_MVE_FLOAT"
> @@ -8487,7 +8535,7 @@
>     int regno = REGNO (operands[0]);
>     ops[0] = gen_rtx_REG (TImode, regno);
>     ops[1]  = operands[1];
> -   output_asm_insn ("vldrw.f32\t%q0, %E1",ops);
> +   output_asm_insn ("vldrw.32\t%q0, %E1",ops);
>     return "";
>  }
>    [(set_attr "length" "4")])
> @@ -8497,7 +8545,7 @@
>  ;;
>  (define_insn "mve_vldrwq_<supf>v4si"
>    [(set (match_operand:V4SI 0 "s_register_operand" "=w")
> -       (unspec:V4SI [(match_operand:V4SI 1 "memory_operand" "Us")]
> +       (unspec:V4SI [(match_operand:V4SI 1 "memory_operand" "Ux")]
>          VLDRWQ))
>    ]
>    "TARGET_HAVE_MVE"
> @@ -8506,7 +8554,7 @@
>     int regno = REGNO (operands[0]);
>     ops[0] = gen_rtx_REG (TImode, regno);
>     ops[1]  = operands[1];
> -   output_asm_insn ("vldrw.<supf>32\t%q0, %E1",ops);
> +   output_asm_insn ("vldrw.32\t%q0, %E1",ops);
>     return "";
>  }
>    [(set_attr "length" "4")])
> @@ -8516,7 +8564,7 @@
>  ;;
>  (define_insn "mve_vldrwq_z_fv4sf"
>    [(set (match_operand:V4SF 0 "s_register_operand" "=w")
> -       (unspec:V4SF [(match_operand:V4SI 1 "memory_operand" "Us")
> +       (unspec:V4SF [(match_operand:V4SI 1 "memory_operand" "Ux")
>         (match_operand:HI 2 "vpr_register_operand" "Up")]
>          VLDRWQ_F))
>    ]
> @@ -8526,7 +8574,7 @@
>     int regno = REGNO (operands[0]);
>     ops[0] = gen_rtx_REG (TImode, regno);
>     ops[1]  = operands[1];
> -   output_asm_insn ("vpst\n\tvldrwt.f32\t%q0, %E1",ops);
> +   output_asm_insn ("vpst\;vldrwt.32\t%q0, %E1",ops);
>     return "";
>  }
>    [(set_attr "length" "8")])
> @@ -8536,7 +8584,7 @@
>  ;;
>  (define_insn "mve_vldrwq_z_<supf>v4si"
>    [(set (match_operand:V4SI 0 "s_register_operand" "=w")
> -       (unspec:V4SI [(match_operand:V4SI 1 "memory_operand" "Us")
> +       (unspec:V4SI [(match_operand:V4SI 1 "memory_operand" "Ux")
>         (match_operand:HI 2 "vpr_register_operand" "Up")]
>          VLDRWQ))
>    ]
> @@ -8546,14 +8594,14 @@
>     int regno = REGNO (operands[0]);
>     ops[0] = gen_rtx_REG (TImode, regno);
>     ops[1]  = operands[1];
> -   output_asm_insn ("vpst\n\tvldrwt.<supf>32\t%q0, %E1",ops);
> +   output_asm_insn ("vpst\;vldrwt.32\t%q0, %E1",ops);
>     return "";
>  }
>    [(set_attr "length" "8")])
>
>  (define_expand "mve_vld1q_f<mode>"
>    [(match_operand:MVE_0 0 "s_register_operand")
> -   (unspec:MVE_0 [(match_operand:<MVE_CNVT> 1 "memory_operand")] VLD1Q_F)
> +   (unspec:MVE_0 [(match_operand:<MVE_CNVT> 1 "mve_memory_operand")] VLD1Q_F)
>    ]
>    "TARGET_HAVE_MVE || TARGET_HAVE_MVE_FLOAT"
>  {
> @@ -8563,7 +8611,7 @@
>
>  (define_expand "mve_vld1q_<supf><mode>"
>    [(match_operand:MVE_2 0 "s_register_operand")
> -   (unspec:MVE_2 [(match_operand:MVE_2 1 "memory_operand")] VLD1Q)
> +   (unspec:MVE_2 [(match_operand:MVE_2 1 "mve_memory_operand")] VLD1Q)
>    ]
>    "TARGET_HAVE_MVE"
>  {
> @@ -8991,7 +9039,7 @@
>  ;; [vstrhq_f]
>  ;;
>  (define_insn "mve_vstrhq_fv8hf"
> -  [(set (match_operand:V8HI 0 "memory_operand" "=Us")
> +  [(set (match_operand:V8HI 0 "mve_memory_operand" "=Ux")
>         (unspec:V8HI [(match_operand:V8HF 1 "s_register_operand" "w")]
>          VSTRHQ_F))
>    ]
> @@ -9010,7 +9058,7 @@
>  ;; [vstrhq_p_f]
>  ;;
>  (define_insn "mve_vstrhq_p_fv8hf"
> -  [(set (match_operand:V8HI 0 "memory_operand" "=Us")
> +  [(set (match_operand:V8HI 0 "mve_memory_operand" "=Ux")
>         (unspec:V8HI [(match_operand:V8HF 1 "s_register_operand" "w")
>                       (match_operand:HI 2 "vpr_register_operand" "Up")]
>          VSTRHQ_F))
> @@ -9021,7 +9069,7 @@
>     int regno = REGNO (operands[1]);
>     ops[1] = gen_rtx_REG (TImode, regno);
>     ops[0]  = operands[0];
> -   output_asm_insn ("vpst\n\tvstrht.16\t%q1, %E0",ops);
> +   output_asm_insn ("vpst\;vstrht.16\t%q1, %E0",ops);
>     return "";
>  }
>    [(set_attr "length" "8")])
> @@ -9030,7 +9078,7 @@
>  ;; [vstrhq_p_s vstrhq_p_u]
>  ;;
>  (define_insn "mve_vstrhq_p_<supf><mode>"
> -  [(set (match_operand:<MVE_H_ELEM> 0 "memory_operand" "=Us")
> +  [(set (match_operand:<MVE_H_ELEM> 0 "mve_memory_operand" "=Ux")
>         (unspec:<MVE_H_ELEM> [(match_operand:MVE_6 1 "s_register_operand" "w")
>                               (match_operand:HI 2 "vpr_register_operand" 
> "Up")]
>          VSTRHQ))
> @@ -9041,7 +9089,7 @@
>     int regno = REGNO (operands[1]);
>     ops[1] = gen_rtx_REG (TImode, regno);
>     ops[0]  = operands[0];
> -   output_asm_insn ("vpst\n\tvstrht.<V_sz_elem>\t%q1, %E0",ops);
> +   output_asm_insn ("vpst\;vstrht.<V_sz_elem>\t%q1, %E0",ops);
>     return "";
>  }
>    [(set_attr "length" "8")])
> @@ -9093,7 +9141,7 @@
>  ;; [vstrhq_scatter_shifted_offset_p_s vstrhq_scatter_shifted_offset_p_u]
>  ;;
>  (define_insn "mve_vstrhq_scatter_shifted_offset_p_<supf><mode>"
> -  [(set (match_operand:<MVE_H_ELEM> 0 "memory_operand" "=Us")
> +  [(set (match_operand:<MVE_H_ELEM> 0 "memory_operand" "=Ux")
>         (unspec:<MVE_H_ELEM>
>                 [(match_operand:MVE_6 1 "s_register_operand" "w")
>                  (match_operand:MVE_6 2 "s_register_operand" "w")
> @@ -9136,7 +9184,7 @@
>  ;; [vstrhq_s, vstrhq_u]
>  ;;
>  (define_insn "mve_vstrhq_<supf><mode>"
> -  [(set (match_operand:<MVE_H_ELEM> 0 "memory_operand" "=Us")
> +  [(set (match_operand:<MVE_H_ELEM> 0 "mve_memory_operand" "=Ux")
>         (unspec:<MVE_H_ELEM> [(match_operand:MVE_6 1 "s_register_operand" 
> "w")]
>          VSTRHQ))
>    ]
> @@ -9155,7 +9203,7 @@
>  ;; [vstrwq_f]
>  ;;
>  (define_insn "mve_vstrwq_fv4sf"
> -  [(set (match_operand:V4SI 0 "memory_operand" "=Us")
> +  [(set (match_operand:V4SI 0 "memory_operand" "=Ux")
>         (unspec:V4SI [(match_operand:V4SF 1 "s_register_operand" "w")]
>          VSTRWQ_F))
>    ]
> @@ -9174,7 +9222,7 @@
>  ;; [vstrwq_p_f]
>  ;;
>  (define_insn "mve_vstrwq_p_fv4sf"
> -  [(set (match_operand:V4SI 0 "memory_operand" "=Us")
> +  [(set (match_operand:V4SI 0 "memory_operand" "=Ux")
>         (unspec:V4SI [(match_operand:V4SF 1 "s_register_operand" "w")
>                       (match_operand:HI 2 "vpr_register_operand" "Up")]
>          VSTRWQ_F))
> @@ -9185,7 +9233,7 @@
>     int regno = REGNO (operands[1]);
>     ops[1] = gen_rtx_REG (TImode, regno);
>     ops[0]  = operands[0];
> -   output_asm_insn ("vpst\n\tvstrwt.32\t%q1, %E0",ops);
> +   output_asm_insn ("vpst\;vstrwt.32\t%q1, %E0",ops);
>     return "";
>  }
>    [(set_attr "length" "8")])
> @@ -9194,7 +9242,7 @@
>  ;; [vstrwq_p_s vstrwq_p_u]
>  ;;
>  (define_insn "mve_vstrwq_p_<supf>v4si"
> -  [(set (match_operand:V4SI 0 "memory_operand" "=Us")
> +  [(set (match_operand:V4SI 0 "memory_operand" "=Ux")
>         (unspec:V4SI [(match_operand:V4SI 1 "s_register_operand" "w")
>                       (match_operand:HI 2 "vpr_register_operand" "Up")]
>          VSTRWQ))
> @@ -9205,7 +9253,7 @@
>     int regno = REGNO (operands[1]);
>     ops[1] = gen_rtx_REG (TImode, regno);
>     ops[0]  = operands[0];
> -   output_asm_insn ("vpst\n\tvstrwt.32\t%q1, %E0",ops);
> +   output_asm_insn ("vpst\;vstrwt.32\t%q1, %E0",ops);
>     return "";
>  }
>    [(set_attr "length" "8")])
> @@ -9214,7 +9262,7 @@
>  ;; [vstrwq_s vstrwq_u]
>  ;;
>  (define_insn "mve_vstrwq_<supf>v4si"
> -  [(set (match_operand:V4SI 0 "memory_operand" "=Us")
> +  [(set (match_operand:V4SI 0 "memory_operand" "=Ux")
>         (unspec:V4SI [(match_operand:V4SI 1 "s_register_operand" "w")]
>          VSTRWQ))
>    ]
> diff --git a/gcc/config/arm/predicates.md b/gcc/config/arm/predicates.md
> index 
> 009862e012c9ce3bbe446a89aacb750f47be66f0..c57ad73577e1eebebc8951ed5b4fb544dd3381f8
>  100644
> --- a/gcc/config/arm/predicates.md
> +++ b/gcc/config/arm/predicates.md
> @@ -31,6 +31,12 @@
>               || REGNO_REG_CLASS (REGNO (op)) != NO_REGS));
>  })
>
> +(define_predicate "mve_memory_operand"
> +  (and (match_code "mem")
> +       (match_test "TARGET_32BIT
> +                   && mve_vector_mem_operand (GET_MODE (op), XEXP (op, 0),
> +                                              false)")))
> +
>  ;; True for immediates in the range of 1 to 16 for MVE.
>  (define_predicate "mve_imm_16"
>    (match_test "satisfies_constraint_Rd (op)"))
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/mve_vector_float2.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/mve_vector_float2.c
> index 
> e3cf8f8207d603243eae22be9a90bbb1e8a73a58..35f83c6b298aaf2b8093713159b32de17ff96bd2
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/mve_vector_float2.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/mve_vector_float2.c
> @@ -11,10 +11,6 @@ foo32 ()
>    return b;
>  }
>
> -/* { dg-final { scan-assembler "vmov\\tq\[0-7\], q\[0-7\]"  }  } */
> -/* { dg-final { scan-assembler "vstrb.*" }  } */
> -/* { dg-final { scan-assembler "vldr.64*" }  } */
> -
>  float16x8_t
>  foo16 ()
>  {
> @@ -22,6 +18,9 @@ foo16 ()
>    return b;
>  }
>
> -/* { dg-final { scan-assembler "vmov\\tq\[0-7\], q\[0-7\]"  }  } */
> -/* { dg-final { scan-assembler "vstrb.*" }  } */
> -/* { dg-final { scan-assembler "vldr.64.*" }  } */
> +/* { dg-final { scan-assembler-times "vmov\\tq\[0-7\], q\[0-7\]" 2 } } */
> +/* { dg-final { scan-assembler-times "vstrw.32*" 1 } } */
> +/* { dg-final { scan-assembler-times "vstrh.16*" 1 } } */
> +/* { dg-final { scan-assembler-times "vldrw.32*" 1 } } */
> +/* { dg-final { scan-assembler-times "vldrh.16*" 1 } } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */

What is __ARM_undef ?

> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_f16.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_f16.c
> index 
> 5e42f634412309411e4a6257cc3042a9ab280e06..699e40d0e3b503f6c02abaa3f4f976343081f108
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_f16.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_f16.c
> @@ -10,12 +10,11 @@ foo (float16_t const * base)
>    return vld1q_f16 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrh.f16"  }  } */
> -
>  float16x8_t
>  foo1 (float16_t const * base)
>  {
>    return vld1q (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrh.f16"  }  } */
> +/* { dg-final { scan-assembler-times "vldrh.16" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_f32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_f32.c
> index 
> 99d1a7a9c5e66b4ae99d5184756bb65b8bc5e852..865923033629c273b1a31f57c0589e0ab1e6fc24
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_f32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_f32.c
> @@ -10,12 +10,11 @@ foo (float32_t const * base)
>    return vld1q_f32 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrw.f32"  }  } */
> -
>  float32x4_t
>  foo1 (float32_t const * base)
>  {
>    return vld1q (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrw.f32"  }  } */
> +/* { dg-final { scan-assembler-times "vldrw.32" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_s16.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_s16.c
> index 
> d77f98ea8893959adfbc2688645d0d36dd826816..f4f04f534db63c5b77927d8e2ea967bb705012cc
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_s16.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_s16.c
> @@ -10,12 +10,11 @@ foo (int16_t const * base)
>    return vld1q_s16 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrh.s16"  }  } */
> -
>  int16x8_t
>  foo1 (int16_t const * base)
>  {
>    return vld1q (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrh.s16"  }  } */
> +/* { dg-final { scan-assembler-times "vldrh.16" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_s32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_s32.c
> index 
> 9a7f024f735f1715d6e577aaf08e217b52ad66e7..e0f661667515f3d3e94cd052b4bbdef9c33c06dc
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_s32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_s32.c
> @@ -10,12 +10,11 @@ foo (int32_t const * base)
>    return vld1q_s32 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrw.s32"  }  } */
> -
>  int32x4_t
>  foo1 (int32_t const * base)
>  {
>    return vld1q (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrw.s32"  }  } */
> +/* { dg-final { scan-assembler-times "vldrw.32" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_s8.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_s8.c
> index 
> 9c67bb60110081c1ed6c65f6986bbc08b0e2a691..1b7edead6b1a5489f2c668a69136b5fed463c703
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_s8.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_s8.c
> @@ -10,12 +10,11 @@ foo (int8_t const * base)
>    return vld1q_s8 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.s8"  }  } */
> -
>  int8x16_t
>  foo1 (int8_t const * base)
>  {
>    return vld1q (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.s8"  }  } */
> +/* { dg-final { scan-assembler-times "vldrb.8" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_u16.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_u16.c
> index 
> 2bef21a5a1dcaf265c052ddb689df9b12d4419ae..50e1f5cedcbe42d7f63255359795007bfe5ffc0e
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_u16.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_u16.c
> @@ -10,12 +10,11 @@ foo (uint16_t const * base)
>    return vld1q_u16 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrh.u16"  }  } */
> -
>  uint16x8_t
>  foo1 (uint16_t const * base)
>  {
>    return vld1q (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrh.u16"  }  } */
> +/* { dg-final { scan-assembler-times "vldrh.16" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_u32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_u32.c
> index 
> 01a1dd611ed68281e32e8719e11137a9b5626398..a13fe824382f825a32f865fc5937712a2f278faf
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_u32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_u32.c
> @@ -10,12 +10,11 @@ foo (uint32_t const * base)
>    return vld1q_u32 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrw.u32"  }  } */
> -
>  uint32x4_t
>  foo1 (uint32_t const * base)
>  {
>    return vld1q (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrw.u32"  }  } */
> +/* { dg-final { scan-assembler-times "vldrw.32" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_u8.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_u8.c
> index 
> 997bc1b212d228668b7a6f36a615168a52ac1af0..dfd1deb93f0f485fb2491a3b21821c284c0da437
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_u8.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_u8.c
> @@ -10,12 +10,11 @@ foo (uint8_t const * base)
>    return vld1q_u8 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.u8"  }  } */
> -
>  uint8x16_t
>  foo1 (uint8_t const * base)
>  {
>    return vld1q (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.u8"  }  } */
> +/* { dg-final { scan-assembler-times "vldrb.8" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_f16.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_f16.c
> index 
> ea5593a9dd19d682089021902e7bf283bb54041f..3c32e408e420e2d393b5abcc96bd59e5d048ec34
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_f16.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_f16.c
> @@ -10,12 +10,12 @@ foo (float16_t const * base, mve_pred16_t p)
>    return vld1q_z_f16 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrht.f16"  }  } */
> -
>  float16x8_t
>  foo1 (float16_t const * base, mve_pred16_t p)
>  {
>    return vld1q_z (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrht.f16"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 2 }  } */
> +/* { dg-final { scan-assembler-times "vldrht.16" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_f32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_f32.c
> index 
> 28937cd18aa9692d357cf553a71e81f78e184dc5..3fc935c889bea0fec7858e034002b4a521afab65
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_f32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_f32.c
> @@ -10,12 +10,12 @@ foo (float32_t const * base, mve_pred16_t p)
>    return vld1q_z_f32 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrwt.f32"  }  } */
> -
>  float32x4_t
>  foo1 (float32_t const * base, mve_pred16_t p)
>  {
>    return vld1q_z (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrwt.f32"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 2 }  } */
> +/* { dg-final { scan-assembler-times "vldrwt.32" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_s16.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_s16.c
> index 
> 81a1c439d6e034341a08ea28050f7bab35237808..49cc81092f359249c5178332c1ca6e18076eabdb
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_s16.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_s16.c
> @@ -10,12 +10,12 @@ foo (int16_t const * base, mve_pred16_t p)
>    return vld1q_z_s16 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrht.s16"  }  } */
> -
>  int16x8_t
>  foo1 (int16_t const * base, mve_pred16_t p)
>  {
>    return vld1q_z (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrht.s16"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 2 }  } */
> +/* { dg-final { scan-assembler-times "vldrht.16" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_s32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_s32.c
> index 
> d03ab345f1920f03e6a609bb330b514eae81779c..ec317cd70e8f5cb2a5f83bbdcaf90b18ae148615
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_s32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_s32.c
> @@ -10,12 +10,12 @@ foo (int32_t const * base, mve_pred16_t p)
>    return vld1q_z_s32 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrwt.s32"  }  } */
> -
>  int32x4_t
>  foo1 (int32_t const * base, mve_pred16_t p)
>  {
>    return vld1q_z (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrwt.s32"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 2 }  } */
> +/* { dg-final { scan-assembler-times "vldrwt.32" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_s8.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_s8.c
> index 
> e535662c7d04437843b9c6aee516ba7a0ceaa214..538c140e78e8d858fe1b42d73ca06ad774f3f4da
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_s8.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_s8.c
> @@ -10,12 +10,12 @@ foo (int8_t const * base, mve_pred16_t p)
>    return vld1q_z_s8 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrbt.s8"  }  } */
> -
>  int8x16_t
>  foo1 (int8_t const * base, mve_pred16_t p)
>  {
>    return vld1q_z (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrbt.s8"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 2 }  } */
> +/* { dg-final { scan-assembler-times "vldrbt.8" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_u16.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_u16.c
> index 
> 3f20f4ed9ca6a74fbbce1f471d0a49d89075f1ad..e5e588a187e9524a76d9d9b3a2c799338989d7f6
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_u16.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_u16.c
> @@ -10,12 +10,12 @@ foo (uint16_t const * base, mve_pred16_t p)
>    return vld1q_z_u16 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrht.u16"  }  } */
> -
>  uint16x8_t
>  foo1 (uint16_t const * base, mve_pred16_t p)
>  {
>    return vld1q_z (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrht.u16"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 2 }  } */
> +/* { dg-final { scan-assembler-times "vldrht.16" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_u32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_u32.c
> index 
> 1d3b53e38e8bc3123b85f89570d8656988b9b278..999beefa7e8669dc15b70f4841adfbc08d018622
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_u32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_u32.c
> @@ -10,12 +10,12 @@ foo (uint32_t const * base, mve_pred16_t p)
>    return vld1q_z_u32 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrwt.u32"  }  } */
> -
>  uint32x4_t
>  foo1 (uint32_t const * base, mve_pred16_t p)
>  {
>    return vld1q_z (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrwt.u32"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 2 }  } */
> +/* { dg-final { scan-assembler-times "vldrwt.32" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_u8.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_u8.c
> index 
> 47d3f6fa4c70773f7a4c549dcf8a3b884cebab92..172053c71422f5daad1555932c9af84deee0c8d9
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_u8.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vld1q_z_u8.c
> @@ -10,12 +10,12 @@ foo (uint8_t const * base, mve_pred16_t p)
>    return vld1q_z_u8 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrbt.u8"  }  } */
> -
>  uint8x16_t
>  foo1 (uint8_t const * base, mve_pred16_t p)
>  {
>    return vld1q_z (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrbt.u8"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 2 }  } */
> +/* { dg-final { scan-assembler-times "vldrbt.8" 2 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_s8.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_s8.c
> index 
> 886491f005284596099eeec4d90e67f82b5e967f..ec2f2176ccfebbef00447aed153069ce3be9491c
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_s8.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_s8.c
> @@ -10,4 +10,5 @@ foo (int8_t const * base)
>    return vldrbq_s8 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.s8"  }  } */
> +/* { dg-final { scan-assembler-times "vldrb.8" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_u8.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_u8.c
> index 
> e58120a2b64d6a9f0efaf80a5a47d9c80f5f4d34..d07b472a4ffe79d4615ae2a1e15606a34b9ac765
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_u8.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_u8.c
> @@ -10,4 +10,5 @@ foo (uint8_t const * base)
>    return vldrbq_u8 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.u8"  }  } */
> +/* { dg-final { scan-assembler-times "vldrb.8" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_z_s8.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_z_s8.c
> index 
> 7d66c704516b5db6cbd3f36645e6a44031201bf1..aed3c9100638a2e86b91b3bf42040b4b728fd725
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_z_s8.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_z_s8.c
> @@ -10,4 +10,6 @@ foo (int8_t const * base, mve_pred16_t p)
>    return vldrbq_z_s8 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrbt.s8"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 1 }  } */
> +/* { dg-final { scan-assembler-times "vldrbt.8" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_z_u8.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_z_u8.c
> index 
> 05ae2628d5645ffa3bfae83867f95151c887ef75..54c61e744543d5bba03dfdd23e1ceb1e8f398a1a
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_z_u8.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrbq_z_u8.c
> @@ -10,4 +10,6 @@ foo (uint8_t const * base, mve_pred16_t p)
>    return vldrbq_z_u8 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrbt.u8"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 1 }  } */
> +/* { dg-final { scan-assembler-times "vldrbt.8" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_s64.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_s64.c
> index 
> 0d1ee769ec64b55c7559ce9dc14f8a6ae2e43e34..7420d0198e7450f566644a74bac925170b49d688
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_s64.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_s64.c
> @@ -10,6 +10,7 @@ foo (uint64x2_t * addr)
>    return vldrdq_gather_base_wb_s64 (addr, 8);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
>  /* { dg-final { scan-assembler "vldrd.64\tq\[0-9\]+, \\\[q\[0-9\]+, 
> #\[0-9\]+\\\]!" } } */
> -/* { dg-final { scan-assembler "vstrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler-times "vldr.64" 1 } } */
> +/* { dg-final { scan-assembler-times "vstr.64" 1 } } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_u64.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_u64.c
> index 
> cb2a41bdcd32b553a93d3bcc4787d506f1b54f74..ebe5b2fd70c7e9c1ebe6e2eedb185975afea36b9
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_u64.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_u64.c
> @@ -10,6 +10,7 @@ foo (uint64x2_t * addr)
>    return vldrdq_gather_base_wb_u64 (addr, 8);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
>  /* { dg-final { scan-assembler "vldrd.64\tq\[0-9\]+, \\\[q\[0-9\]+, 
> #\[0-9\]+\\\]!" } } */
> -/* { dg-final { scan-assembler "vstrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler-times "vldr.64" 1 } } */
> +/* { dg-final { scan-assembler-times "vstr.64" 1 } } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_z_s64.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_z_s64.c
> index 
> 243fbeacc3429025202da2ff157ade38a472e123..231a24a1e5550b444c5476bfc0d1f6802a4952c8
>  100644
> --- 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_z_s64.c
> +++ 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_z_s64.c
> @@ -8,8 +8,8 @@ int64x2_t foo (uint64x2_t * addr, mve_pred16_t p)
>      return vldrdq_gather_base_wb_z_s64 (addr, 1016, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> -/* { dg-final { scan-assembler "vmsr\t P0, r\[0-9\]+.*$" } } */
>  /* { dg-final { scan-assembler "vpst" } } */
>  /* { dg-final { scan-assembler "vldrdt.u64\tq\[0-9\]+, \\\[q\[0-9\]+, 
> #\[0-9\]+\\\]!" } } */
> -/* { dg-final { scan-assembler "vstrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler-times "vldr.64" 1 } } */
> +/* { dg-final { scan-assembler-times "vstr.64" 1 } } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_z_u64.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_z_u64.c
> index 
> 10ba42405fe8fde9d4f8993b20e41a59c7bb2e77..b8d9b5c139150536721b1a66636ce9b5a86bf093
>  100644
> --- 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_z_u64.c
> +++ 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrdq_gather_base_wb_z_u64.c
> @@ -8,8 +8,8 @@ uint64x2_t foo (uint64x2_t * addr, mve_pred16_t p)
>      return vldrdq_gather_base_wb_z_u64 (addr, 8, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> -/* { dg-final { scan-assembler "vmsr\t P0, r\[0-9\]+.*" } } */
>  /* { dg-final { scan-assembler "vpst" } } */
>  /* { dg-final { scan-assembler "vldrdt.u64\tq\[0-9\]+, \\\[q\[0-9\]+, 
> #\[0-9\]+\\\]!" } } */
> -/* { dg-final { scan-assembler "vstrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler-times "vldr.64" 1 } } */
> +/* { dg-final { scan-assembler-times "vstr.64" 1 } } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_f16.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_f16.c
> index 
> b79c0e9bfe49e99557ebfb14bc03f8aaf40ab925..05bef418d822a7a994002f4073b65178e42346a2
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_f16.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_f16.c
> @@ -10,4 +10,5 @@ foo (float16_t const * base)
>    return vldrhq_f16 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrh.f16"  }  } */
> +/* { dg-final { scan-assembler-times "vldrh.16" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_s16.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_s16.c
> index 
> 4872eb555f3e7b8b7ec86b8ba377f0a0452b1aa0..7c977b6a6995f11cd03380ba11585452bdddbe89
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_s16.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_s16.c
> @@ -10,4 +10,5 @@ foo (int16_t const * base)
>    return vldrhq_s16 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrh.s16"  }  } */
> +/* { dg-final { scan-assembler-times "vldrh.16" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_s32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_s32.c
> index 
> e73e208c26a63fb7caaa68f4d5a52f1fa1c904fa..229b52163faa2566e17f1320940a066313d2c853
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_s32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_s32.c
> @@ -10,4 +10,5 @@ foo (int16_t const * base)
>    return vldrhq_s32 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrh.s32"  }  } */
> +/* { dg-final { scan-assembler-times "vldrh.s32" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_u16.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_u16.c
> index 
> 6b285d45aaa158c01f3e043d2e71214ed824f79a..07f6d9e3944a976886b35f3c7a042046f3c7498a
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_u16.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_u16.c
> @@ -10,4 +10,5 @@ foo (uint16_t const * base)
>    return vldrhq_u16 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrh.u16"  }  } */
> +/* { dg-final { scan-assembler-times "vldrh.16" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_u32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_u32.c
> index 
> 994cd4a20badd807c8be54aa45f788e8b9420fd9..cd24f01831f77d1da50ca624a7b6c800a9b616fd
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_u32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_u32.c
> @@ -10,4 +10,5 @@ foo (uint16_t const * base)
>    return vldrhq_u32 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrh.u32"  }  } */
> +/* { dg-final { scan-assembler-times "vldrh.u32" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_f16.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_f16.c
> index 
> 2b866a99dd4c8a213887fe120cfe6dec35f84f87..dd0fc9c7b733114f6e229f78155afe53cca675b7
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_f16.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_f16.c
> @@ -10,4 +10,6 @@ foo (float16_t const * base, mve_pred16_t p)
>    return vldrhq_z_f16 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrht.f16"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 1 }  } */
> +/* { dg-final { scan-assembler-times "vldrht.16" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_s16.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_s16.c
> index 
> 6c92c50ba12a502713ee7d2e7cf719edf848fe9c..36d3458d95c91d13631e511ac1294e544791336a
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_s16.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_s16.c
> @@ -10,4 +10,6 @@ foo (int16_t const * base, mve_pred16_t p)
>    return vldrhq_z_s16 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrht.s16"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 1 }  } */
> +/* { dg-final { scan-assembler-times "vldrht.16" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_s32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_s32.c
> index 
> 4cd97ba5743ef1dcd8dc368ef75dc6df2391f69c..9c67b479be79c8377682a4488d365cd853df7a2c
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_s32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_s32.c
> @@ -10,4 +10,6 @@ foo (int16_t const * base, mve_pred16_t p)
>    return vldrhq_z_s32 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrht.s32"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 1 }  } */
> +/* { dg-final { scan-assembler-times "vldrht.s32" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_u16.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_u16.c
> index 
> 80ae0e5cd17fe158b152873d144e8b1217ad8e33..26354b5971aca3c9f003559d5261866a019a70ef
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_u16.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_u16.c
> @@ -10,4 +10,6 @@ foo (uint16_t const * base, mve_pred16_t p)
>    return vldrhq_z_u16 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrht.u16"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 1 }  } */
> +/* { dg-final { scan-assembler-times "vldrht.16" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_u32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_u32.c
> index 
> 1a8590116eb017d9744d62b1dd7d07f539b390f0..948fe5ee5b46701ce6a7e80d4b6a3d54690d921f
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_u32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrhq_z_u32.c
> @@ -10,4 +10,6 @@ foo (uint16_t const * base, mve_pred16_t p)
>    return vldrhq_z_u32 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrht.u32"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 1 }  } */
> +/* { dg-final { scan-assembler-times "vldrht.u32" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_f32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_f32.c
> index 
> 2c834ae53df93b97f7d7f9600fc4eba7d6c3400d..143079aa23fe8a45c381e33e20adbd4bb91a539c
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_f32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_f32.c
> @@ -10,4 +10,5 @@ foo (float32_t const * base)
>    return vldrwq_f32 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrw.f32"  }  } */
> +/* { dg-final { scan-assembler-times "vldrw.32" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_f32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_f32.c
> index 
> db8108e37325c4e1fafd2293d48eba0c33309073..8e2994f75d7d488e968dd9cd4847900d2438475a
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_f32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_f32.c
> @@ -10,6 +10,7 @@ foo (uint32x4_t * addr)
>    return vldrwq_gather_base_wb_f32 (addr, 8);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler "vldrw.32\tq\[0-9\]+, \\\[r\[0-9\]+\\\]" } } 
> */
>  /* { dg-final { scan-assembler "vldrw.u32\tq\[0-9\]+, \\\[q\[0-9\]+, 
> #\[0-9\]+\\\]!" } } */
> -/* { dg-final { scan-assembler "vstrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler "vstrw.32\tq\[0-9\]+, \\\[r\[0-9\]+\\\]" } } 
> */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_s32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_s32.c
> index 
> 3da64e218e2c0789e996be551650033567eba4e5..e5054738b75ec7378a6a289e9c071721f9a6a4d0
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_s32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_s32.c
> @@ -10,6 +10,7 @@ foo (uint32x4_t * addr)
>    return vldrwq_gather_base_wb_s32 (addr, 8);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler "vldrw.32\tq\[0-9\]+, \\\[r\[0-9\]+\\\]" } } 
> */
>  /* { dg-final { scan-assembler "vldrw.u32\tq\[0-9\]+, \\\[q\[0-9\]+, 
> #\[0-9\]+\\\]!" } } */
> -/* { dg-final { scan-assembler "vstrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler "vstrw.32\tq\[0-9\]+, \\\[r\[0-9\]+\\\]" } } 
> */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_u32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_u32.c
> index 
> 2597ee11608bfe21d697f2250bee7e69c0cc7aec..7f39414143bdfb3bcbc059dcdcba0472c0a63459
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_u32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_u32.c
> @@ -10,6 +10,7 @@ foo (uint32x4_t * addr)
>    return vldrwq_gather_base_wb_u32 (addr, 8);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler "vldrw.32\tq\[0-9\]+, \\\[r\[0-9\]+\\\]" } } 
> */
>  /* { dg-final { scan-assembler "vldrw.u32\tq\[0-9\]+, \\\[q\[0-9\]+, 
> #\[0-9\]+\\\]!" } } */
> -/* { dg-final { scan-assembler "vstrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler "vstrw.32\tq\[0-9\]+, \\\[r\[0-9\]+\\\]" } } 
> */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_f32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_f32.c
> index 
> 9fb47daf486fafdb897618453958e776a069d432..f3219e2e8254f542916b1fdc6d633e5512c08cfe
>  100644
> --- 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_f32.c
> +++ 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_f32.c
> @@ -10,8 +10,9 @@ foo (uint32x4_t * addr, mve_pred16_t p)
>    return vldrwq_gather_base_wb_z_f32 (addr, 8, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler "vldrw.32\tq\[0-9\]+, \\\[r\[0-9\]+\\\]" } } 
> */
>  /* { dg-final { scan-assembler "vmsr\t P0, r\[0-9\]+.*" } } */
>  /* { dg-final { scan-assembler "vpst" } } */
>  /* { dg-final { scan-assembler "vldrwt.u32\tq\[0-9\]+, \\\[q\[0-9\]+, 
> #\[0-9\]+\\\]!" } } */
> -/* { dg-final { scan-assembler "vstrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler "vstrw.32\tq\[0-9\]+, \\\[r\[0-9\]+\\\]" } } 
> */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_s32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_s32.c
> index 
> 56da5a46c64d2946ceade8689105048e19efdc6a..4d093d243fe63e3f98cffaf15fcb41fa4611b41e
>  100644
> --- 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_s32.c
> +++ 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_s32.c
> @@ -10,8 +10,9 @@ foo (uint32x4_t * addr, mve_pred16_t p)
>    return vldrwq_gather_base_wb_z_s32 (addr, 8, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler "vldrw.32\tq\[0-9\]+, \\\[r\[0-9\]+\\\]" } } 
> */
>  /* { dg-final { scan-assembler "vmsr\t P0, r\[0-9\]+.*" } } */
>  /* { dg-final { scan-assembler "vpst" } } */
>  /* { dg-final { scan-assembler "vldrwt.u32\tq\[0-9\]+, \\\[q\[0-9\]+, 
> #\[0-9\]+\\\]!" } } */
> -/* { dg-final { scan-assembler "vstrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler "vstrw.32\tq\[0-9\]+, \\\[r\[0-9\]+\\\]" } } 
> */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_u32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_u32.c
> index 
> 63165d97c1a7b4120be036348a09b73afddd36d1..e796522a49c6c1929f2f64ee27e36eda9a1a95d3
>  100644
> --- 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_u32.c
> +++ 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_gather_base_wb_z_u32.c
> @@ -10,8 +10,9 @@ foo (uint32x4_t * addr, mve_pred16_t p)
>    return vldrwq_gather_base_wb_z_u32 (addr, 8, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler "vldrw.32\tq\[0-9\]+, \\\[r\[0-9\]+\\\]" } } 
> */
>  /* { dg-final { scan-assembler "vmsr\t P0, r\[0-9\]+.*" } } */
>  /* { dg-final { scan-assembler "vpst" } } */
>  /* { dg-final { scan-assembler "vldrwt.u32\tq\[0-9\]+, \\\[q\[0-9\]+, 
> #\[0-9\]+\\\]!" } } */
> -/* { dg-final { scan-assembler "vstrb.8 q\[0-9\]+, \\\[r\[0-9\]+\\\]" } } */
> +/* { dg-final { scan-assembler "vstrw.32\tq\[0-9\]+, \\\[r\[0-9\]+\\\]" } } 
> */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_s32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_s32.c
> index 
> f48c29f8bff5f0b57802d1673c433b70311f8fc0..860dd324d256511a5802a097019f1a9a7cd52e9b
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_s32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_s32.c
> @@ -10,4 +10,5 @@ foo (int32_t const * base)
>    return vldrwq_s32 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrw.s32"  }  } */
> +/* { dg-final { scan-assembler-times "vldrw.32" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_u32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_u32.c
> index 
> 7c722200ecc5c642d6b8e3e0be69601a325b7f53..513ed49fb6eb7a88a51df58a521ff0669af89ad1
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_u32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_u32.c
> @@ -10,4 +10,5 @@ foo (uint32_t const * base)
>    return vldrwq_u32 (base);
>  }
>
> -/* { dg-final { scan-assembler "vldrw.u32"  }  } */
> +/* { dg-final { scan-assembler-times "vldrw.32" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_z_f32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_z_f32.c
> index 
> bcdcecab46875864125c4232a75931faf0bcb54f..3e0a6a60bcf4374ec09f336001b04e6fda524913
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_z_f32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_z_f32.c
> @@ -10,4 +10,6 @@ foo (float32_t const * base, mve_pred16_t p)
>    return vldrwq_z_f32 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrwt.f32"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 1 }  } */
> +/* { dg-final { scan-assembler-times "vldrwt.32" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_z_s32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_z_s32.c
> index 
> fd32b30565627078561f6f04214a15a9a1643a68..82b914885b55d7b7d076500726ac9e174f8c0ece
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_z_s32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_z_s32.c
> @@ -10,4 +10,6 @@ foo (int32_t const * base, mve_pred16_t p)
>    return vldrwq_z_s32 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrwt.s32"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 1 }  } */
> +/* { dg-final { scan-assembler-times "vldrwt.32" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_z_u32.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_z_u32.c
> index 
> f49440438348582745eabd4589bef40ee07f8deb..6a66e1678815b7b4984ed011d108bc48ab44c963
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_z_u32.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vldrwq_z_u32.c
> @@ -10,4 +10,6 @@ foo (uint32_t const * base, mve_pred16_t p)
>    return vldrwq_z_u32 (base, p);
>  }
>
> -/* { dg-final { scan-assembler "vldrwt.u32"  }  } */
> +/* { dg-final { scan-assembler-times "vpst" 1 }  } */
> +/* { dg-final { scan-assembler-times "vldrwt.32" 1 }  } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_float.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_float.c
> index 
> 52bad05b6219621ada414dc74ab2deebdd1c93e3..739f282c476f2611245a20dfc0d121eba289a788
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_float.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_float.c
> @@ -1,6 +1,6 @@
>  /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
>  /* { dg-add-options arm_v8_1m_mve_fp } */
> -/* { dg-additional-options "-O0" } */
> +/* { dg-additional-options "-O2" } */
>
>  #include "arm_mve.h"
>
> @@ -14,4 +14,6 @@ foo ()
>    fb = vuninitializedq_f32 ();
>  }
>
> -/* { dg-final { scan-assembler-times "vstrb.8" 4 } } */
> +/* { dg-final { scan-assembler-times "vstrh.16" 1 } } */
> +/* { dg-final { scan-assembler-times "vstrw.32" 1 } } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_float1.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_float1.c
> index 
> c6724a52074c6ce0361fdba66c4add831e8c13db..a9130607f26915af39e41d9f1181131bcbd1ef32
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_float1.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_float1.c
> @@ -1,6 +1,6 @@
>  /* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
>  /* { dg-add-options arm_v8_1m_mve_fp } */
> -/* { dg-additional-options "-O0" } */
> +/* { dg-additional-options "-O2" } */
>
>  #include "arm_mve.h"
>
> @@ -14,4 +14,6 @@ foo ()
>    fb = vuninitializedq (fbb);
>  }
>
> -/* { dg-final { scan-assembler-times "vstrb.8" 6 } } */
> +/* { dg-final { scan-assembler-times "vstrh.16" 1 } } */
> +/* { dg-final { scan-assembler-times "vstrw.32" 1 } } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_int.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_int.c
> index 
> 13a0109a9b5380cd83f48154df231081ddb8f08e..bf6692fe57322ac9ed5c949a9697d3ed7a565acc
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_int.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_int.c
> @@ -1,6 +1,6 @@
>  /* { dg-require-effective-target arm_v8_1m_mve_ok } */
>  /* { dg-add-options arm_v8_1m_mve } */
> -/* { dg-additional-options "-O0" } */
> +/* { dg-additional-options "-O2" } */
>
>  #include "arm_mve.h"
>  int8x16_t a;
> @@ -25,4 +25,8 @@ foo ()
>    ud = vuninitializedq_u64 ();
>  }
>
> -/* { dg-final { scan-assembler-times "vstrb.8" 16 } } */
> +/* { dg-final { scan-assembler-times "vstrb.8" 2 } } */
> +/* { dg-final { scan-assembler-times "vstrh.16" 2 } } */
> +/* { dg-final { scan-assembler-times "vstrw.32" 2 } } */
> +/* { dg-final { scan-assembler-times "vstr.64" 2 } } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
> diff --git 
> a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_int1.c 
> b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_int1.c
> index 
> a321398709e65ee7daadfab9c6089116baccde83..4f66a07ac29030482a2643e10907d0dae24743af
>  100644
> --- a/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_int1.c
> +++ b/gcc/testsuite/gcc.target/arm/mve/intrinsics/vuninitializedq_int1.c
> @@ -1,6 +1,6 @@
>  /* { dg-require-effective-target arm_v8_1m_mve_ok } */
>  /* { dg-add-options arm_v8_1m_mve } */
> -/* { dg-additional-options "-O0" } */
> +/* { dg-additional-options "-O2" } */
>
>  #include "arm_mve.h"
>
> @@ -26,4 +26,8 @@ foo ()
>    ud = vuninitializedq (udd);
>  }
>
> -/* { dg-final { scan-assembler-times "vstrb.8" 24 } } */
> +/* { dg-final { scan-assembler-times "vstrb.8" 2 } } */
> +/* { dg-final { scan-assembler-times "vstrh.16" 2 } } */
> +/* { dg-final { scan-assembler-times "vstrw.32" 2 } } */
> +/* { dg-final { scan-assembler-times "vstr.64" 2 } } */
> +/* { dg-final { scan-assembler-not "__ARM_undef" } } */
>

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