arm/PR66791: Replace calls to vtst builtin with it's boolean logic equivalent.

gcc/ChangeLog:

2021-05-14  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	PR target/66791
	* config/arm/arm_neon.h (vtst_s8): Replace call to vtst builtin with it's
	boolean logic equivalent.
	(vtst_s16): Likewise.
	(vtst_s32): Likewise.
	(vtst_u8): Likewise.
	(vtst_u16): Likewise.
	(vtst_u32): Likewise.
	(vtst_p8): Likewise.
	(vtst_p16): Likewise.
	(vtstq_s8): Likewise.
	(vtstq_s16): Likewise.
	(vtstq_s32): Likewise.
	(vtstq_u8): Likewise.
	(vtstq_u16): Likewise.
	(vtstq_u32): Likewise.
	(vtstq_p8): Likewise.
	(vtstq_p16): Likewise.

	* config/arm/arm_neon_builtins.def: Remove entry for vtst.
	* config/arm/neon.md (neon_vtst<mode>): Remove pattern.

3 files changed, 16 insertions, 27 deletions

diff --git a/gcc/config/arm/arm_neon.h b/gcc/config/arm/arm_neon.h
index dc28b92..dcd533f 100644
--- a/gcc/config/arm/arm_neon.h
+++ b/gcc/config/arm/arm_neon.h
@@ -2919,112 +2919,112 @@ __extension__ extern __inline uint8x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtst_s8 (int8x8_t __a, int8x8_t __b)
 {
-  return (uint8x8_t)__builtin_neon_vtstv8qi (__a, __b);
+  return (uint8x8_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint16x4_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtst_s16 (int16x4_t __a, int16x4_t __b)
 {
-  return (uint16x4_t)__builtin_neon_vtstv4hi (__a, __b);
+  return (uint16x4_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint32x2_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtst_s32 (int32x2_t __a, int32x2_t __b)
 {
-  return (uint32x2_t)__builtin_neon_vtstv2si (__a, __b);
+  return (uint32x2_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint8x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtst_u8 (uint8x8_t __a, uint8x8_t __b)
 {
-  return (uint8x8_t)__builtin_neon_vtstv8qi ((int8x8_t) __a, (int8x8_t) __b);
+  return (uint8x8_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint16x4_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtst_u16 (uint16x4_t __a, uint16x4_t __b)
 {
-  return (uint16x4_t)__builtin_neon_vtstv4hi ((int16x4_t) __a, (int16x4_t) __b);
+  return (uint16x4_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint32x2_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtst_u32 (uint32x2_t __a, uint32x2_t __b)
 {
-  return (uint32x2_t)__builtin_neon_vtstv2si ((int32x2_t) __a, (int32x2_t) __b);
+  return (uint32x2_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint8x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtst_p8 (poly8x8_t __a, poly8x8_t __b)
 {
-  return (uint8x8_t)__builtin_neon_vtstv8qi ((int8x8_t) __a, (int8x8_t) __b);
+  return (uint8x8_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint16x4_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtst_p16 (poly16x4_t __a, poly16x4_t __b)
 {
-  return (uint16x4_t)__builtin_neon_vtstv4hi ((int16x4_t) __a, (int16x4_t) __b);
+  return (uint16x4_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint8x16_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtstq_s8 (int8x16_t __a, int8x16_t __b)
 {
-  return (uint8x16_t)__builtin_neon_vtstv16qi (__a, __b);
+  return (uint8x16_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint16x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtstq_s16 (int16x8_t __a, int16x8_t __b)
 {
-  return (uint16x8_t)__builtin_neon_vtstv8hi (__a, __b);
+  return (uint16x8_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint32x4_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtstq_s32 (int32x4_t __a, int32x4_t __b)
 {
-  return (uint32x4_t)__builtin_neon_vtstv4si (__a, __b);
+  return (uint32x4_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint8x16_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtstq_u8 (uint8x16_t __a, uint8x16_t __b)
 {
-  return (uint8x16_t)__builtin_neon_vtstv16qi ((int8x16_t) __a, (int8x16_t) __b);
+  return (uint8x16_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint16x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtstq_u16 (uint16x8_t __a, uint16x8_t __b)
 {
-  return (uint16x8_t)__builtin_neon_vtstv8hi ((int16x8_t) __a, (int16x8_t) __b);
+  return (uint16x8_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint32x4_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtstq_u32 (uint32x4_t __a, uint32x4_t __b)
 {
-  return (uint32x4_t)__builtin_neon_vtstv4si ((int32x4_t) __a, (int32x4_t) __b);
+  return (uint32x4_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint8x16_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtstq_p8 (poly8x16_t __a, poly8x16_t __b)
 {
-  return (uint8x16_t)__builtin_neon_vtstv16qi ((int8x16_t) __a, (int8x16_t) __b);
+  return (uint8x16_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline uint16x8_t
 __attribute__  ((__always_inline__, __gnu_inline__, __artificial__))
 vtstq_p16 (poly16x8_t __a, poly16x8_t __b)
 {
-  return (uint16x8_t)__builtin_neon_vtstv8hi ((int16x8_t) __a, (int16x8_t) __b);
+  return (uint16x8_t) ((__a & __b) != 0);
 }
 
 __extension__ extern __inline int8x8_t
diff --git a/gcc/config/arm/arm_neon_builtins.def b/gcc/config/arm/arm_neon_builtins.def
index 97e4f9c..70438ac 100644
--- a/gcc/config/arm/arm_neon_builtins.def
+++ b/gcc/config/arm/arm_neon_builtins.def
@@ -142,7 +142,6 @@ VAR2 (UNOP, vcgez, v4hf, v8hf)
 VAR2 (UNOP, vcgtz, v4hf, v8hf)
 VAR2 (UNOP, vclez, v4hf, v8hf)
 VAR2 (UNOP, vcltz, v4hf, v8hf)
-VAR6 (BINOP, vtst, v8qi, v4hi, v2si, v16qi, v8hi, v4si)
 VAR6 (BINOP, vabds, v8qi, v4hi, v2si, v16qi, v8hi, v4si)
 VAR6 (BINOP, vabdu, v8qi, v4hi, v2si, v16qi, v8hi, v4si)
 VAR2 (BINOP, vabdf, v2sf, v4sf)
diff --git a/gcc/config/arm/neon.md b/gcc/config/arm/neon.md
index 2a1e304..641d26f 100644
--- a/gcc/config/arm/neon.md
+++ b/gcc/config/arm/neon.md
@@ -2578,16 +2578,6 @@
   DONE;
 })
 
-(define_insn "neon_vtst<mode>"
-  [(set (match_operand:VDQIW 0 "s_register_operand" "=w")
-        (unspec:VDQIW [(match_operand:VDQIW 1 "s_register_operand" "w")
-		       (match_operand:VDQIW 2 "s_register_operand" "w")]
-		      UNSPEC_VTST))]
-  "TARGET_NEON"
-  "vtst.<V_sz_elem>\t%<V_reg>0, %<V_reg>1, %<V_reg>2"
-  [(set_attr "type" "neon_tst<q>")]
-)
-
 (define_insn "neon_vtst_combine<mode>"
   [(set (match_operand:VDQIW 0 "s_register_operand" "=w")
         (plus:VDQIW