[ARM][GCC][1/2x]: MVE intrinsics with binary operands.

This patch supports following MVE ACLE intrinsics with binary operand.

vsubq_n_f16, vsubq_n_f32, vbrsrq_n_f16, vbrsrq_n_f32, vcvtq_n_f16_s16, vcvtq_n_f32_s32, vcvtq_n_f16_u16, vcvtq_n_f32_u32, vcreateq_f16, vcreateq_f32.

Please refer to M-profile Vector Extension (MVE) intrinsics [1]  for more details.
[1] https://developer.arm.com/architectures/instruction-sets/simd-isas/helium/mve-intrinsics

In this patch new constraint "Rd" is added, which checks the constant is with in the range of 1 to 16.
Also a new predicate "mve_imm_16" is added, to check the the matching constraint Rd.

2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	* config/arm/arm-builtins.c (BINOP_NONE_NONE_NONE_QUALIFIERS): Define
	qualifier for binary operands.
	(BINOP_NONE_NONE_IMM_QUALIFIERS): Likewise.
	(BINOP_NONE_UNONE_IMM_QUALIFIERS): Likewise.
	(BINOP_NONE_UNONE_UNONE_QUALIFIERS): Likewise.
	* config/arm/arm_mve.h (vsubq_n_f16): Define macro.
	(vsubq_n_f32): Likewise.
	(vbrsrq_n_f16): Likewise.
	(vbrsrq_n_f32): Likewise.
	(vcvtq_n_f16_s16): Likewise.
	(vcvtq_n_f32_s32): Likewise.
	(vcvtq_n_f16_u16): Likewise.
	(vcvtq_n_f32_u32): Likewise.
	(vcreateq_f16): Likewise.
	(vcreateq_f32): Likewise.
	(__arm_vsubq_n_f16): Define intrinsic.
	(__arm_vsubq_n_f32): Likewise.
	(__arm_vbrsrq_n_f16): Likewise.
	(__arm_vbrsrq_n_f32): Likewise.
	(__arm_vcvtq_n_f16_s16): Likewise.
	(__arm_vcvtq_n_f32_s32): Likewise.
	(__arm_vcvtq_n_f16_u16): Likewise.
	(__arm_vcvtq_n_f32_u32): Likewise.
	(__arm_vcreateq_f16): Likewise.
	(__arm_vcreateq_f32): Likewise.
	(vsubq): Define polymorphic variant.
	(vbrsrq): Likewise.
	(vcvtq_n): Likewise.
	* config/arm/arm_mve_builtins.def (BINOP_NONE_NONE_NONE_QUALIFIERS): Use
	it.
	(BINOP_NONE_NONE_IMM_QUALIFIERS): Likewise.
	(BINOP_NONE_UNONE_IMM_QUALIFIERS): Likewise.
	(BINOP_NONE_UNONE_UNONE_QUALIFIERS): Likewise.
	* config/arm/constraints.md (Rd): Define constraint to check constant is
	in the range of 1 to 16.
	* config/arm/mve.md (mve_vsubq_n_f<mode>): Define RTL pattern.
	mve_vbrsrq_n_f<mode>: Likewise.
	mve_vcvtq_n_to_f_<supf><mode>: Likewise.
	mve_vcreateq_f<mode>: Likewise.
	* config/arm/predicates.md (mve_imm_16): Define predicate to check
	the matching constraint Rd.

gcc/testsuite/ChangeLog:

2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
            Mihail Ionescu  <mihail.ionescu@arm.com>
            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>

	* gcc.target/arm/mve/intrinsics/vbrsrq_n_f16.c: New test.
	* gcc.target/arm/mve/intrinsics/vbrsrq_n_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcreateq_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcreateq_f32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcvtq_n_f16_s16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcvtq_n_f16_u16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcvtq_n_f32_s32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vcvtq_n_f32_u32.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vsubq_n_f16.c: Likewise.
	* gcc.target/arm/mve/intrinsics/vsubq_n_f32.c: Likewise.

gcc/ChangeLog

@@ -2,6 +2,52 @@
             Mihail Ionescu  <mihail.ionescu@arm.com>
             Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
 
+	* config/arm/arm-builtins.c (BINOP_NONE_NONE_NONE_QUALIFIERS): Define
+	qualifier for binary operands.
+	(BINOP_NONE_NONE_IMM_QUALIFIERS): Likewise.
+	(BINOP_NONE_UNONE_IMM_QUALIFIERS): Likewise.
+	(BINOP_NONE_UNONE_UNONE_QUALIFIERS): Likewise.
+	* config/arm/arm_mve.h (vsubq_n_f16): Define macro.
+	(vsubq_n_f32): Likewise.
+	(vbrsrq_n_f16): Likewise.
+	(vbrsrq_n_f32): Likewise.
+	(vcvtq_n_f16_s16): Likewise.
+	(vcvtq_n_f32_s32): Likewise.
+	(vcvtq_n_f16_u16): Likewise.
+	(vcvtq_n_f32_u32): Likewise.
+	(vcreateq_f16): Likewise.
+	(vcreateq_f32): Likewise.
+	(__arm_vsubq_n_f16): Define intrinsic.
+	(__arm_vsubq_n_f32): Likewise.
+	(__arm_vbrsrq_n_f16): Likewise.
+	(__arm_vbrsrq_n_f32): Likewise.
+	(__arm_vcvtq_n_f16_s16): Likewise.
+	(__arm_vcvtq_n_f32_s32): Likewise.
+	(__arm_vcvtq_n_f16_u16): Likewise.
+	(__arm_vcvtq_n_f32_u32): Likewise.
+	(__arm_vcreateq_f16): Likewise.
+	(__arm_vcreateq_f32): Likewise.
+	(vsubq): Define polymorphic variant.
+	(vbrsrq): Likewise.
+	(vcvtq_n): Likewise.
+	* config/arm/arm_mve_builtins.def (BINOP_NONE_NONE_NONE_QUALIFIERS): Use
+	it.
+	(BINOP_NONE_NONE_IMM_QUALIFIERS): Likewise.
+	(BINOP_NONE_UNONE_IMM_QUALIFIERS): Likewise.
+	(BINOP_NONE_UNONE_UNONE_QUALIFIERS): Likewise.
+	* config/arm/constraints.md (Rd): Define constraint to check constant is
+	in the range of 1 to 16.
+	* config/arm/mve.md (mve_vsubq_n_f<mode>): Define RTL pattern.
+	mve_vbrsrq_n_f<mode>: Likewise.
+	mve_vcvtq_n_to_f_<supf><mode>: Likewise.
+	mve_vcreateq_f<mode>: Likewise.
+	* config/arm/predicates.md (mve_imm_16): Define predicate to check
+	the matching constraint Rd.
+
+2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
+            Mihail Ionescu  <mihail.ionescu@arm.com>
+            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
+
 	* config/arm/arm-builtins.c (hi_UP): Define mode.
 	* config/arm/arm.h (IS_VPR_REGNUM): Move.
 	* config/arm/arm.md (VPR_REGNUM): Define before APSRQ_REGNUM.

gcc/config/arm/arm-builtins.c

@@ -373,6 +373,30 @@ arm_unop_unone_imm_qualifiers[SIMD_MAX_BUILTIN_ARGS]
 #define UNOP_UNONE_IMM_QUALIFIERS \
   (arm_unop_unone_imm_qualifiers)
 
+static enum arm_type_qualifiers
+arm_binop_none_none_none_qualifiers[SIMD_MAX_BUILTIN_ARGS]
+  = { qualifier_none, qualifier_none, qualifier_none };
+#define BINOP_NONE_NONE_NONE_QUALIFIERS \
+  (arm_binop_none_none_none_qualifiers)
+
+static enum arm_type_qualifiers
+arm_binop_none_none_imm_qualifiers[SIMD_MAX_BUILTIN_ARGS]
+  = { qualifier_none, qualifier_none, qualifier_immediate };
+#define BINOP_NONE_NONE_IMM_QUALIFIERS \
+  (arm_binop_none_none_imm_qualifiers)
+
+static enum arm_type_qualifiers
+arm_binop_none_unone_imm_qualifiers[SIMD_MAX_BUILTIN_ARGS]
+  = { qualifier_none, qualifier_unsigned, qualifier_immediate };
+#define BINOP_NONE_UNONE_IMM_QUALIFIERS \
+  (arm_binop_none_unone_imm_qualifiers)
+
+static enum arm_type_qualifiers
+arm_binop_none_unone_unone_qualifiers[SIMD_MAX_BUILTIN_ARGS]
+  = { qualifier_none, qualifier_unsigned, qualifier_unsigned };
+#define BINOP_NONE_UNONE_UNONE_QUALIFIERS \
+  (arm_binop_none_unone_unone_qualifiers)
+
 /* End of Qualifier for MVE builtins.  */
 
    /* void ([T element type] *, T, immediate).  */

gcc/config/arm/arm_mve.h

@@ -197,6 +197,16 @@ typedef struct { uint8x16_t val[4]; } uint8x16x4_t;
 #define vctp64q(__a) __arm_vctp64q(__a)
 #define vctp8q(__a) __arm_vctp8q(__a)
 #define vpnot(__a) __arm_vpnot(__a)
+#define vsubq_n_f16(__a, __b) __arm_vsubq_n_f16(__a, __b)
+#define vsubq_n_f32(__a, __b) __arm_vsubq_n_f32(__a, __b)
+#define vbrsrq_n_f16(__a, __b) __arm_vbrsrq_n_f16(__a, __b)
+#define vbrsrq_n_f32(__a, __b) __arm_vbrsrq_n_f32(__a, __b)
+#define vcvtq_n_f16_s16(__a,  __imm6) __arm_vcvtq_n_f16_s16(__a,  __imm6)
+#define vcvtq_n_f32_s32(__a,  __imm6) __arm_vcvtq_n_f32_s32(__a,  __imm6)
+#define vcvtq_n_f16_u16(__a,  __imm6) __arm_vcvtq_n_f16_u16(__a,  __imm6)
+#define vcvtq_n_f32_u32(__a,  __imm6) __arm_vcvtq_n_f32_u32(__a,  __imm6)
+#define vcreateq_f16(__a, __b) __arm_vcreateq_f16(__a, __b)
+#define vcreateq_f32(__a, __b) __arm_vcreateq_f32(__a, __b)
 #endif
 
 __extension__ extern __inline void
@@ -1085,6 +1095,76 @@ __arm_vcvtmq_s32_f32 (float32x4_t __a)
   return __builtin_mve_vcvtmq_sv4si (__a);
 }
 
+__extension__ extern __inline float16x8_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+__arm_vsubq_n_f16 (float16x8_t __a, float16_t __b)
+{
+  return __builtin_mve_vsubq_n_fv8hf (__a, __b);
+}
+
+__extension__ extern __inline float32x4_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+__arm_vsubq_n_f32 (float32x4_t __a, float32_t __b)
+{
+  return __builtin_mve_vsubq_n_fv4sf (__a, __b);
+}
+
+__extension__ extern __inline float16x8_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+__arm_vbrsrq_n_f16 (float16x8_t __a, int32_t __b)
+{
+  return __builtin_mve_vbrsrq_n_fv8hf (__a, __b);
+}
+
+__extension__ extern __inline float32x4_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+__arm_vbrsrq_n_f32 (float32x4_t __a, int32_t __b)
+{
+  return __builtin_mve_vbrsrq_n_fv4sf (__a, __b);
+}
+
+__extension__ extern __inline float16x8_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+__arm_vcvtq_n_f16_s16 (int16x8_t __a, const int __imm6)
+{
+  return __builtin_mve_vcvtq_n_to_f_sv8hf (__a, __imm6);
+}
+
+__extension__ extern __inline float32x4_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+__arm_vcvtq_n_f32_s32 (int32x4_t __a, const int __imm6)
+{
+  return __builtin_mve_vcvtq_n_to_f_sv4sf (__a, __imm6);
+}
+
+__extension__ extern __inline float16x8_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+__arm_vcvtq_n_f16_u16 (uint16x8_t __a, const int __imm6)
+{
+  return __builtin_mve_vcvtq_n_to_f_uv8hf (__a, __imm6);
+}
+
+__extension__ extern __inline float32x4_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+__arm_vcvtq_n_f32_u32 (uint32x4_t __a, const int __imm6)
+{
+  return __builtin_mve_vcvtq_n_to_f_uv4sf (__a, __imm6);
+}
+
+__extension__ extern __inline float16x8_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+__arm_vcreateq_f16 (uint64_t __a, uint64_t __b)
+{
+  return __builtin_mve_vcreateq_fv8hf (__a, __b);
+}
+
+__extension__ extern __inline float32x4_t
+__attribute__ ((__always_inline__, __gnu_inline__, __artificial__))
+__arm_vcreateq_f32 (uint64_t __a, uint64_t __b)
+{
+  return __builtin_mve_vcreateq_fv4sf (__a, __b);
+}
+
 #endif
 
 enum {
@@ -1452,6 +1532,27 @@ extern void *__ARM_undef;
   int (*)[__ARM_mve_type_uint16x8_t]: __arm_vcvtq_f16_u16 (__ARM_mve_coerce(__p0, uint16x8_t)), \
   int (*)[__ARM_mve_type_uint32x4_t]: __arm_vcvtq_f32_u32 (__ARM_mve_coerce(__p0, uint32x4_t)));})
 
+#define vsubq(p0,p1) __arm_vsubq(p0,p1)
+#define __arm_vsubq(p0,p1) ({ __typeof(p0) __p0 = (p0); \
+  __typeof(p1) __p1 = (p1); \
+  _Generic( (int (*)[__ARM_mve_typeid(__p0)][__ARM_mve_typeid(__p1)])0, \
+  int (*)[__ARM_mve_type_float16x8_t][__ARM_mve_type_float16_t]: __arm_vsubq_n_f16 (__ARM_mve_coerce(__p0, float16x8_t), __ARM_mve_coerce(__p1, float16_t)), \
+  int (*)[__ARM_mve_type_float32x4_t][__ARM_mve_type_float32_t]: __arm_vsubq_n_f32 (__ARM_mve_coerce(__p0, float32x4_t), __ARM_mve_coerce(__p1, float32_t)));})
+
+#define vbrsrq(p0,p1) __arm_vbrsrq(p0,p1)
+#define __arm_vbrsrq(p0,p1) ({ __typeof(p0) __p0 = (p0); \
+  _Generic( (int (*)[__ARM_mve_typeid(__p0)])0, \
+  int (*)[__ARM_mve_type_float16x8_t]: __arm_vbrsrq_n_f16 (__ARM_mve_coerce(__p0, float16x8_t), p1), \
+  int (*)[__ARM_mve_type_float32x4_t]: __arm_vbrsrq_n_f32 (__ARM_mve_coerce(__p0, float32x4_t), p1));})
+
+#define vcvtq_n(p0,p1) __arm_vcvtq_n(p0,p1)
+#define __arm_vcvtq_n(p0,p1) ({ __typeof(p0) __p0 = (p0); \
+  _Generic( (int (*)[__ARM_mve_typeid(__p0)])0, \
+  int (*)[__ARM_mve_type_int16x8_t]: __arm_vcvtq_n_f16_s16 (__ARM_mve_coerce(__p0, int16x8_t), p1), \
+  int (*)[__ARM_mve_type_int32x4_t]: __arm_vcvtq_n_f32_s32 (__ARM_mve_coerce(__p0, int32x4_t), p1), \
+  int (*)[__ARM_mve_type_uint16x8_t]: __arm_vcvtq_n_f16_u16 (__ARM_mve_coerce(__p0, uint16x8_t), p1), \
+  int (*)[__ARM_mve_type_uint32x4_t]: __arm_vcvtq_n_f32_u32 (__ARM_mve_coerce(__p0, uint32x4_t), p1));})
+
 #else /* MVE Interger.  */
 
 #define vst4q(p0,p1) __arm_vst4q(p0,p1)

gcc/config/arm/arm_mve_builtins.def

@@ -6,7 +6,7 @@
 
     GCC is free software; you can redistribute it and/or modify it
     under the terms of the GNU General Public License as published
-    by the Free Software Foundation; either version 3, or (at your
+    by the Free Software Foundation; either version 3, or  (at your
     option) any later version.
 
     GCC is distributed in the hope that it will be useful, but WITHOUT
@@ -76,3 +76,8 @@ VAR1 (UNOP_UNONE_UNONE, vctp32q, hi)
 VAR1 (UNOP_UNONE_UNONE, vctp64q, hi)
 VAR1 (UNOP_UNONE_UNONE, vctp8q, hi)
 VAR1 (UNOP_UNONE_UNONE, vpnot, hi)
+VAR2 (BINOP_NONE_NONE_NONE, vsubq_n_f, v8hf, v4sf)
+VAR2 (BINOP_NONE_NONE_NONE, vbrsrq_n_f, v8hf, v4sf)
+VAR2 (BINOP_NONE_NONE_IMM, vcvtq_n_to_f_s, v8hf, v4sf)
+VAR2 (BINOP_NONE_UNONE_IMM, vcvtq_n_to_f_u, v8hf, v4sf)
+VAR2 (BINOP_NONE_UNONE_UNONE, vcreateq_f, v8hf, v4sf)

gcc/config/arm/constraints.md

@@ -34,7 +34,7 @@
 ;; in ARM/Thumb-2 state: Da, Db, Dc, Dd, Dn, DN, Dm, Dl, DL, Do, Dv, Dy, Di,
 ;;			 Dt, Dp, Dz, Tu
 ;; in Thumb-1 state: Pa, Pb, Pc, Pd, Pe
-;; in Thumb-2 state: Ha, Pj, PJ, Ps, Pt, Pu, Pv, Pw, Px, Py, Pz
+;; in Thumb-2 state: Ha, Pj, PJ, Ps, Pt, Pu, Pv, Pw, Px, Py, Pz, Rd
 ;; in all states: Pf, Pg
 
 ;; The following memory constraints have been used:
@@ -53,6 +53,11 @@
   "MVE EVEN registers @code{r0}, @code{r2}, @code{r4}, @code{r6}, @code{r8},
    @code{r10}, @code{r12}, @code{r14}")
 
+(define_constraint "Rd"
+  "@internal In Thumb-2 state a constant in range 1 to 16"
+  (and (match_code "const_int")
+       (match_test "TARGET_HAVE_MVE && ival >= 1 && ival <= 16")))
+
 (define_register_constraint "t" "TARGET_32BIT ? VFP_LO_REGS : NO_REGS"
  "The VFP registers @code{s0}-@code{s31}.")
 

gcc/config/arm/mve.md

@@ -36,7 +36,9 @@
 			 VREV32Q_U VREV32Q_S VMOVLTQ_U VMOVLTQ_S VMOVLBQ_S
 			 VMOVLBQ_U VCVTQ_FROM_F_S VCVTQ_FROM_F_U VCVTPQ_S
 			 VCVTPQ_U VCVTNQ_S VCVTNQ_U VCVTMQ_S VCVTMQ_U
-			 VADDLVQ_U VCTP8Q VCTP16Q VCTP32Q VCTP64Q VPNOT])
+			 VADDLVQ_U VCTP8Q VCTP16Q VCTP32Q VCTP64Q VPNOT
+			 VCREATEQ_F VCVTQ_N_TO_F_S VCVTQ_N_TO_F_U VBRSRQ_N_F
+			 VSUBQ_N_F])
 
 (define_mode_attr MVE_CNVT [(V8HI "V8HF") (V4SI "V4SF")
 			    (V8HF "V8HI") (V4SF "V4SI")])
@@ -52,7 +54,8 @@
 		       (VCVTPQ_S "s") (VCVTPQ_U "u") (VCVTNQ_S "s")
 		       (VCVTNQ_U "u") (VCVTMQ_S "s") (VCVTMQ_U "u")
 		       (VCLZQ_U "u") (VCLZQ_S "s") (VREV32Q_U "u")
-		       (VREV32Q_S "s") (VADDLVQ_U "u") (VADDLVQ_S "s")])
+		       (VREV32Q_S "s") (VADDLVQ_U "u") (VADDLVQ_S "s")
+		       (VCVTQ_N_TO_F_S "s") (VCVTQ_N_TO_F_U "u")])
 
 (define_int_attr mode1 [(VCTP8Q "8") (VCTP16Q "16") (VCTP32Q "32")
 			(VCTP64Q "64")])
@@ -75,6 +78,7 @@
 (define_int_iterator VCVTMQ [VCVTMQ_S VCVTMQ_U])
 (define_int_iterator VADDLVQ [VADDLVQ_U VADDLVQ_S])
 (define_int_iterator VCTPQ [VCTP8Q VCTP16Q VCTP32Q VCTP64Q])
+(define_int_iterator VCVTQ_N_TO_F [VCVTQ_N_TO_F_S VCVTQ_N_TO_F_U])
 
 (define_insn "*mve_mov<mode>"
   [(set (match_operand:MVE_types 0 "nonimmediate_operand" "=w,w,r,w,w,r,w,Us")
@@ -687,3 +691,62 @@
   "vpnot"
   [(set_attr "type" "mve_move")
 ])
+
+;;
+;; [vsubq_n_f])
+;;
+(define_insn "mve_vsubq_n_f<mode>"
+  [
+   (set (match_operand:MVE_0 0 "s_register_operand" "=w")
+	(unspec:MVE_0 [(match_operand:MVE_0 1 "s_register_operand" "w")
+		       (match_operand:<V_elem> 2 "s_register_operand" "r")]
+	 VSUBQ_N_F))
+  ]
+  "TARGET_HAVE_MVE && TARGET_HAVE_MVE_FLOAT"
+  "vsub.f<V_sz_elem>  %q0, %q1, %2"
+  [(set_attr "type" "mve_move")
+])
+
+;;
+;; [vbrsrq_n_f])
+;;
+(define_insn "mve_vbrsrq_n_f<mode>"
+  [
+   (set (match_operand:MVE_0 0 "s_register_operand" "=w")
+	(unspec:MVE_0 [(match_operand:MVE_0 1 "s_register_operand" "w")
+		       (match_operand:SI 2 "s_register_operand" "r")]
+	 VBRSRQ_N_F))
+  ]
+  "TARGET_HAVE_MVE && TARGET_HAVE_MVE_FLOAT"
+  "vbrsr.<V_sz_elem>  %q0, %q1, %2"
+  [(set_attr "type" "mve_move")
+])
+
+;;
+;; [vcvtq_n_to_f_s, vcvtq_n_to_f_u])
+;;
+(define_insn "mve_vcvtq_n_to_f_<supf><mode>"
+  [
+   (set (match_operand:MVE_0 0 "s_register_operand" "=w")
+	(unspec:MVE_0 [(match_operand:<MVE_CNVT> 1 "s_register_operand" "w")
+		       (match_operand:SI 2 "mve_imm_16" "Rd")]
+	 VCVTQ_N_TO_F))
+  ]
+  "TARGET_HAVE_MVE && TARGET_HAVE_MVE_FLOAT"
+  "vcvt.f<V_sz_elem>.<supf><V_sz_elem>\t%q0, %q1, %2"
+  [(set_attr "type" "mve_move")
+])
+
+;; [vcreateq_f])
+;;
+(define_insn "mve_vcreateq_f<mode>"
+  [
+   (set (match_operand:MVE_0 0 "s_register_operand" "=w")
+	(unspec:MVE_0 [(match_operand:DI 1 "s_register_operand" "r")
+		       (match_operand:DI 2 "s_register_operand" "r")]
+	 VCREATEQ_F))
+  ]
+  "TARGET_HAVE_MVE && TARGET_HAVE_MVE_FLOAT"
+  "vmov %q0[2], %q0[0], %Q2, %Q1\;vmov %q0[3], %q0[1], %R2, %R1"
+  [(set_attr "type" "mve_move")
+   (set_attr "length""8")])

gcc/config/arm/predicates.md

@@ -31,6 +31,10 @@
 	      || REGNO_REG_CLASS (REGNO (op)) != NO_REGS));
 })
 
+;; True for immediates in the range of 1 to 16 for MVE.
+(define_predicate "mve_imm_16"
+  (match_test "satisfies_constraint_Rd (op)"))
+
 ; Predicate for stack protector guard's address in
 ; stack_protect_combined_set_insn and stack_protect_combined_test_insn patterns
 (define_predicate "guard_addr_operand"

gcc/testsuite/ChangeLog

@@ -2,6 +2,21 @@
             Mihail Ionescu  <mihail.ionescu@arm.com>
             Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
 
+	* gcc.target/arm/mve/intrinsics/vbrsrq_n_f16.c: New test.
+	* gcc.target/arm/mve/intrinsics/vbrsrq_n_f32.c: Likewise.
+	* gcc.target/arm/mve/intrinsics/vcreateq_f16.c: Likewise.
+	* gcc.target/arm/mve/intrinsics/vcreateq_f32.c: Likewise.
+	* gcc.target/arm/mve/intrinsics/vcvtq_n_f16_s16.c: Likewise.
+	* gcc.target/arm/mve/intrinsics/vcvtq_n_f16_u16.c: Likewise.
+	* gcc.target/arm/mve/intrinsics/vcvtq_n_f32_s32.c: Likewise.
+	* gcc.target/arm/mve/intrinsics/vcvtq_n_f32_u32.c: Likewise.
+	* gcc.target/arm/mve/intrinsics/vsubq_n_f16.c: Likewise.
+	* gcc.target/arm/mve/intrinsics/vsubq_n_f32.c: Likewise.
+
+2020-03-17  Andre Vieira  <andre.simoesdiasvieira@arm.com>
+            Mihail Ionescu  <mihail.ionescu@arm.com>
+            Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
+
 	* gcc.target/arm/mve/intrinsics/vctp16q.c: New test.
 	* gcc.target/arm/mve/intrinsics/vctp32q.c: Likewise.
 	* gcc.target/arm/mve/intrinsics/vctp64q.c: Likewise.

gcc/testsuite/gcc.target/arm/mve/intrinsics/vbrsrq_n_f16.c

+/* { dg-do compile  } */
+/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_mve_fp } */
+/* { dg-additional-options "-O2" } */
+
+#include "arm_mve.h"
+
+float16x8_t
+foo (float16x8_t a, int32_t b)
+{
+  return vbrsrq_n_f16 (a, b);
+}
+
+/* { dg-final { scan-assembler "vbrsr.16"  }  } */
+
+float16x8_t
+foo1 (float16x8_t a, int32_t b)
+{
+  return vbrsrq (a, b);
+}
+
+/* { dg-final { scan-assembler "vbrsr.16"  }  } */

gcc/testsuite/gcc.target/arm/mve/intrinsics/vbrsrq_n_f32.c

+/* { dg-do compile  } */
+/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_mve_fp } */
+/* { dg-additional-options "-O2" } */
+
+#include "arm_mve.h"
+
+float32x4_t
+foo (float32x4_t a, int32_t b)
+{
+  return vbrsrq_n_f32 (a, b);
+}
+
+/* { dg-final { scan-assembler "vbrsr.32"  }  } */
+
+float32x4_t
+foo1 (float32x4_t a, int32_t b)
+{
+  return vbrsrq (a, b);
+}
+
+/* { dg-final { scan-assembler "vbrsr.32"  }  } */

gcc/testsuite/gcc.target/arm/mve/intrinsics/vcreateq_f16.c

+/* { dg-do compile  } */
+/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_mve_fp } */
+/* { dg-additional-options "-O2" } */
+
+#include "arm_mve.h"
+
+float16x8_t
+foo (uint64_t a, uint64_t b)
+{
+  return vcreateq_f16 (a, b);
+}
+
+/* { dg-final { scan-assembler "vmov"  }  } */

gcc/testsuite/gcc.target/arm/mve/intrinsics/vcreateq_f32.c

+/* { dg-do compile  } */
+/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_mve_fp } */
+/* { dg-additional-options "-O2" } */
+
+#include "arm_mve.h"
+
+float32x4_t
+foo (uint64_t a, uint64_t b)
+{
+  return vcreateq_f32 (a, b);
+}
+
+/* { dg-final { scan-assembler "vmov"  }  } */

gcc/testsuite/gcc.target/arm/mve/intrinsics/vcvtq_n_f16_s16.c

+/* { dg-do compile  } */
+/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_mve_fp } */
+/* { dg-additional-options "-O2" } */
+
+#include "arm_mve.h"
+
+float16x8_t
+foo (int16x8_t a)
+{
+  return vcvtq_n_f16_s16 (a, 1);
+}
+
+/* { dg-final { scan-assembler "vcvt.f16.s16"  }  } */
+
+float16x8_t
+foo1 (int16x8_t a)
+{
+  return vcvtq_n (a, 1);
+}
+
+/* { dg-final { scan-assembler "vcvt.f16.s16"  }  } */

gcc/testsuite/gcc.target/arm/mve/intrinsics/vcvtq_n_f16_u16.c

+/* { dg-do compile  } */
+/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_mve_fp } */
+/* { dg-additional-options "-O2" } */
+
+#include "arm_mve.h"
+
+float16x8_t
+foo (uint16x8_t a)
+{
+  return vcvtq_n_f16_u16 (a, 1);
+}
+
+/* { dg-final { scan-assembler "vcvt.f16.u16"  }  } */
+
+float16x8_t
+foo1 (uint16x8_t a)
+{
+  return vcvtq_n (a, 1);
+}
+
+/* { dg-final { scan-assembler "vcvt.f16.u16"  }  } */

gcc/testsuite/gcc.target/arm/mve/intrinsics/vcvtq_n_f32_s32.c

+/* { dg-do compile  } */
+/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_mve_fp } */
+/* { dg-additional-options "-O2" } */
+
+#include "arm_mve.h"
+
+float32x4_t
+foo (int32x4_t a)
+{
+  return vcvtq_n_f32_s32 (a, 1);
+}
+
+/* { dg-final { scan-assembler "vcvt.f32.s32"  }  } */
+
+float32x4_t
+foo1 (int32x4_t a)
+{
+  return vcvtq_n (a, 1);
+}
+
+/* { dg-final { scan-assembler "vcvt.f32.s32"  }  } */

gcc/testsuite/gcc.target/arm/mve/intrinsics/vcvtq_n_f32_u32.c

+/* { dg-do compile  } */
+/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_mve_fp } */
+/* { dg-additional-options "-O2" } */
+
+#include "arm_mve.h"
+
+float32x4_t
+foo (uint32x4_t a)
+{
+  return vcvtq_n_f32_u32 (a, 1);
+}
+
+/* { dg-final { scan-assembler "vcvt.f32.u32"  }  } */
+
+float32x4_t
+foo1 (uint32x4_t a)
+{
+  return vcvtq_n (a, 1);
+}
+
+/* { dg-final { scan-assembler "vcvt.f32.u32"  }  } */

gcc/testsuite/gcc.target/arm/mve/intrinsics/vsubq_n_f16.c

+/* { dg-do compile  } */
+/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_mve_fp } */
+/* { dg-additional-options "-O2" } */
+
+#include "arm_mve.h"
+
+float16x8_t
+foo (float16x8_t a, float16_t b)
+{
+  return vsubq_n_f16 (a, b);
+}
+
+/* { dg-final { scan-assembler "vsub.f16"  }  } */
+
+float16x8_t
+foo1 (float16x8_t a, float16_t b)
+{
+  return vsubq (a, b);
+}
+
+/* { dg-final { scan-assembler "vsub.f16"  }  } */

gcc/testsuite/gcc.target/arm/mve/intrinsics/vsubq_n_f32.c

+/* { dg-do compile  } */
+/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_mve_fp } */
+/* { dg-additional-options "-O2" } */
+
+#include "arm_mve.h"
+
+float32x4_t
+foo (float32x4_t a, float32_t b)
+{
+  return vsubq_n_f32 (a, b);
+}
+
+/* { dg-final { scan-assembler "vsub.f32"  }  } */
+
+float32x4_t
+foo1 (float32x4_t a, float32_t b)
+{
+  return vsubq (a, b);
+}
+
+/* { dg-final { scan-assembler "vsub.f32"  }  } */