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From: Jakub Jelinek <jakub@redhat.com>
To: Joseph Myers <joseph@codesourcery.com>,
	gcc-patches@gcc.gnu.org, Florian Weimer <fweimer@redhat.com>
Subject: Re: [PATCH] c: Add __builtin_stdc_bit_{width,floor,ceil} builtins
Date: Mon, 20 Nov 2023 16:29:47 +0100	[thread overview]
Message-ID: <ZVt7aYPx5pNMYi8h@tucnak> (raw)
In-Reply-To: <ZVt1KWoZxoRrv9sa@tucnak>

On Mon, Nov 20, 2023 at 04:03:07PM +0100, Jakub Jelinek wrote:
> > Note that stdc_bit_ceil now has defined behavior (return 0) on overflow: 
> > CD2 comment FR-135 was accepted for the DIS at the June WG14 meeting.  
> > This affects both the documentation and the implementation, as they need 
> > to avoid an undefined shift by the width of the type.  That's why my 
> > stdbit.h implementations have two shifts (not claiming that's necessarily 
> > the optimal way of ensuring the correct result in the overflow case).
> > 
> >   return __x <= 1 ? 1 : ((uint64_t) 1) << (__bw64_inline (__x - 1) - 1) << 1;
> 
> Given the feedback from Richi I've in the meantime reworked the patch to
> add all 14 builtins (but because the enum rid is very close to 256 values
> and with 14 new ones was already 7 too many, used one RID value for all 14
> builtins (different spellings)).
> 
> Will need to rework it for CD2 FR-135 then...

Here it is updated to use that
x <= 1 ? 1 : ((type) 2) << (prec - 1 - __builtin_clzg ((type) (x - 1)))
I've mentioned.

2023-11-20  Jakub Jelinek  <jakub@redhat.com>

gcc/
	* doc/extend.texi (__builtin_stdc_bit_ceil, __builtin_stdc_bit_floor,
	__builtin_stdc_bit_width, __builtin_stdc_count_ones,
	__builtin_stdc_count_zeros, __builtin_stdc_first_leading_one,
	__builtin_stdc_first_leading_zero, __builtin_stdc_first_trailing_one,
	__builtin_stdc_first_trailing_zero, __builtin_stdc_has_single_bit,
	__builtin_stdc_leading_ones, __builtin_stdc_leading_zeros,
	__builtin_stdc_trailing_ones, __builtin_stdc_trailing_zeros): Document.
gcc/c-family/
	* c-common.h (enum rid): Add RID_BUILTIN_STDC: New.
	* c-common.cc (c_common_reswords): Add __builtin_stdc_bit_ceil,
	__builtin_stdc_bit_floor, __builtin_stdc_bit_width,
	__builtin_stdc_count_ones, __builtin_stdc_count_zeros,
	__builtin_stdc_first_leading_one, __builtin_stdc_first_leading_zero,
	__builtin_stdc_first_trailing_one, __builtin_stdc_first_trailing_zero,
	__builtin_stdc_has_single_bit, __builtin_stdc_leading_ones,
	__builtin_stdc_leading_zeros, __builtin_stdc_trailing_ones and
	__builtin_stdc_trailing_zeros.  Move __builtin_assoc_barrier
	alphabetically earlier.
gcc/c/
	* c-parser.cc (c_parser_postfix_expression): Handle RID_BUILTIN_STDC.
	* c-decl.cc (names_builtin_p): Likewise.
gcc/testsuite/
	* gcc.dg/builtin-stdc-bit-1.c: New test.
	* gcc.dg/builtin-stdc-bit-2.c: New test.

--- gcc/c-family/c-common.h.jj	2023-11-20 09:49:34.760674813 +0100
+++ gcc/c-family/c-common.h	2023-11-20 13:55:50.691612365 +0100
@@ -106,10 +106,10 @@ enum rid
   /* C extensions */
   RID_ASM,       RID_TYPEOF,   RID_TYPEOF_UNQUAL, RID_ALIGNOF,  RID_ATTRIBUTE,
   RID_VA_ARG,
-  RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL,      RID_CHOOSE_EXPR,
-  RID_TYPES_COMPATIBLE_P,      RID_BUILTIN_COMPLEX,	     RID_BUILTIN_SHUFFLE,
-  RID_BUILTIN_SHUFFLEVECTOR,   RID_BUILTIN_CONVERTVECTOR,   RID_BUILTIN_TGMATH,
-  RID_BUILTIN_HAS_ATTRIBUTE,   RID_BUILTIN_ASSOC_BARRIER,
+  RID_EXTENSION, RID_IMAGPART, RID_REALPART, RID_LABEL,    RID_CHOOSE_EXPR,
+  RID_TYPES_COMPATIBLE_P,      RID_BUILTIN_COMPLEX,	   RID_BUILTIN_SHUFFLE,
+  RID_BUILTIN_SHUFFLEVECTOR,   RID_BUILTIN_CONVERTVECTOR,  RID_BUILTIN_TGMATH,
+  RID_BUILTIN_HAS_ATTRIBUTE,   RID_BUILTIN_ASSOC_BARRIER,  RID_BUILTIN_STDC,
   RID_DFLOAT32, RID_DFLOAT64, RID_DFLOAT128,
 
   /* TS 18661-3 keywords, in the same sequence as the TI_* values.  */
--- gcc/c-family/c-common.cc.jj	2023-11-20 09:49:34.691675777 +0100
+++ gcc/c-family/c-common.cc	2023-11-20 13:55:40.104758727 +0100
@@ -380,6 +380,7 @@ const struct c_common_resword c_common_r
   { "__attribute__",	RID_ATTRIBUTE,	0 },
   { "__auto_type",	RID_AUTO_TYPE,	D_CONLY },
   { "__builtin_addressof", RID_ADDRESSOF, D_CXXONLY },
+  { "__builtin_assoc_barrier", RID_BUILTIN_ASSOC_BARRIER, 0 },
   { "__builtin_bit_cast", RID_BUILTIN_BIT_CAST, D_CXXONLY },
   { "__builtin_call_with_static_chain",
     RID_BUILTIN_CALL_WITH_STATIC_CHAIN, D_CONLY },
@@ -388,9 +389,22 @@ const struct c_common_resword c_common_r
   { "__builtin_convertvector", RID_BUILTIN_CONVERTVECTOR, 0 },
   { "__builtin_has_attribute", RID_BUILTIN_HAS_ATTRIBUTE, 0 },
   { "__builtin_launder", RID_BUILTIN_LAUNDER, D_CXXONLY },
-  { "__builtin_assoc_barrier", RID_BUILTIN_ASSOC_BARRIER, 0 },
   { "__builtin_shuffle", RID_BUILTIN_SHUFFLE, 0 },
   { "__builtin_shufflevector", RID_BUILTIN_SHUFFLEVECTOR, 0 },
+  { "__builtin_stdc_bit_ceil", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_bit_floor", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_bit_width", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_count_ones", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_count_zeros", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_first_leading_one", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_first_leading_zero", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_first_trailing_one", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_first_trailing_zero", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_has_single_bit", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_leading_ones", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_leading_zeros", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_trailing_ones", RID_BUILTIN_STDC, D_CONLY },
+  { "__builtin_stdc_trailing_zeros", RID_BUILTIN_STDC, D_CONLY },
   { "__builtin_tgmath", RID_BUILTIN_TGMATH, D_CONLY },
   { "__builtin_offsetof", RID_OFFSETOF, 0 },
   { "__builtin_types_compatible_p", RID_TYPES_COMPATIBLE_P, D_CONLY },
--- gcc/doc/extend.texi.jj	2023-11-20 10:37:47.181394361 +0100
+++ gcc/doc/extend.texi	2023-11-20 16:13:31.686572023 +0100
@@ -15075,6 +15075,125 @@ unsigned integer (standard, extended or
 promotions are performed on the argument.
 @enddefbuiltin
 
+@defbuiltin{@var{type} __builtin_stdc_bit_ceil (@var{type} @var{arg})}
+The @code{__builtin_stdc_bit_ceil} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{@var{arg} <= 1 ? (@var{type}) 1
+: (@var{type}) 2 << (@var{prec} - 1 - __builtin_clzg ((@var{type}) (@var{arg} - 1)))}
+where @var{prec} is bit width of @var{type}, except that side-effects
+in @var{arg} are evaluated just once.
+@enddefbuiltin
+
+@defbuiltin{@var{type} __builtin_stdc_bit_floor (@var{type} @var{arg})}
+The @code{__builtin_stdc_bit_floor} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{@var{arg} == 0 ? (@var{type}) 0
+: (@var{type}) 1 << (@var{prec} - 1 - __builtin_clzg (@var{arg}))}
+where @var{prec} is bit width of @var{type}, except that side-effects
+in @var{arg} are evaluated just once.
+@enddefbuiltin
+
+@defbuiltin{unsigned int __builtin_stdc_bit_width (@var{type} @var{arg})}
+The @code{__builtin_stdc_bit_width} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{(unsigned int) (@var{prec} - __builtin_clzg (@var{arg}, @var{prec}))}
+where @var{prec} is bit width of @var{type}.
+@enddefbuiltin
+
+@defbuiltin{unsigned int __builtin_stdc_count_ones (@var{type} @var{arg})}
+The @code{__builtin_stdc_count_ones} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{(unsigned int) __builtin_popcountg (@var{arg})}
+@enddefbuiltin
+
+@defbuiltin{unsigned int __builtin_stdc_count_zeros (@var{type} @var{arg})}
+The @code{__builtin_stdc_count_zeros} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{(unsigned int) __builtin_popcountg ((@var{type}) ~@var{arg})}
+@enddefbuiltin
+
+@defbuiltin{unsigned int __builtin_stdc_first_leading_one (@var{type} @var{arg})}
+The @code{__builtin_stdc_first_leading_one} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{__builtin_clzg (@var{arg}, -1) + 1U}
+@enddefbuiltin
+
+@defbuiltin{unsigned int __builtin_stdc_first_leading_zero (@var{type} @var{arg})}
+The @code{__builtin_stdc_first_leading_zero} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{__builtin_clzg ((@var{type}) ~@var{arg}, -1) + 1U}
+@enddefbuiltin
+
+@defbuiltin{unsigned int __builtin_stdc_first_trailing_one (@var{type} @var{arg})}
+The @code{__builtin_stdc_first_trailing_one} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{__builtin_ctzg (@var{arg}, -1) + 1U}
+@enddefbuiltin
+
+@defbuiltin{unsigned int __builtin_stdc_first_trailing_zero (@var{type} @var{arg})}
+The @code{__builtin_stdc_first_trailing_zero} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{__builtin_ctzg ((@var{type}) ~@var{arg}, -1) + 1U}
+@enddefbuiltin
+
+@defbuiltin{unsigned int __builtin_stdc_has_single_bit (@var{type} @var{arg})}
+The @code{__builtin_stdc_has_single_bit} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{(_Bool) (__builtin_popcountg (@var{arg}) == 1)}
+@enddefbuiltin
+
+@defbuiltin{unsigned int __builtin_stdc_leading_ones (@var{type} @var{arg})}
+The @code{__builtin_stdc_leading_ones} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{(unsigned int) __builtin_clzg ((@var{type}) ~@var{arg}, @var{prec})}
+@enddefbuiltin
+
+@defbuiltin{unsigned int __builtin_stdc_leading_zeros (@var{type} @var{arg})}
+The @code{__builtin_stdc_leading_zeros} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{(unsigned int) __builtin_clzg (@var{arg}, @var{prec})}
+@enddefbuiltin
+
+@defbuiltin{unsigned int __builtin_stdc_trailing_ones (@var{type} @var{arg})}
+The @code{__builtin_stdc_trailing_ones} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{(unsigned int) __builtin_ctzg ((@var{type}) ~@var{arg}, @var{prec})}
+@enddefbuiltin
+
+@defbuiltin{unsigned int __builtin_stdc_trailing_zeros (@var{type} @var{arg})}
+The @code{__builtin_stdc_trailing_zeros} function is available only
+in C.  It is type-generic, the argument can be any unsigned integer
+(standard, extended or bit-precise).  No integral argument promotions are
+performed on the argument.  It is equivalent to
+@code{(unsigned int) __builtin_ctzg (@var{arg}, @var{prec})}
+@enddefbuiltin
+
 @defbuiltin{double __builtin_powi (double, int)}
 @defbuiltinx{float __builtin_powif (float, int)}
 @defbuiltinx{{long double} __builtin_powil (long double, int)}
--- gcc/c/c-parser.cc.jj	2023-11-20 09:49:34.778674562 +0100
+++ gcc/c/c-parser.cc	2023-11-20 16:21:52.632659333 +0100
@@ -11743,6 +11743,297 @@ c_parser_postfix_expression (c_parser *p
 	    set_c_expr_source_range (&expr, start_loc, end_loc);
 	  }
 	  break;
+	case RID_BUILTIN_STDC:
+	  {
+	    vec<c_expr_t, va_gc> *cexpr_list;
+	    c_expr_t *arg_p;
+	    location_t close_paren_loc;
+	    enum c_builtin_stdc {
+	      C_BUILTIN_STDC_BIT_CEIL,
+	      C_BUILTIN_STDC_BIT_FLOOR,
+	      C_BUILTIN_STDC_BIT_WIDTH,
+	      C_BUILTIN_STDC_COUNT_ONES,
+	      C_BUILTIN_STDC_COUNT_ZEROS,
+	      C_BUILTIN_STDC_FIRST_LEADING_ONE,
+	      C_BUILTIN_STDC_FIRST_LEADING_ZERO,
+	      C_BUILTIN_STDC_FIRST_TRAILING_ONE,
+	      C_BUILTIN_STDC_FIRST_TRAILING_ZERO,
+	      C_BUILTIN_STDC_HAS_SINGLE_BIT,
+	      C_BUILTIN_STDC_LEADING_ONES,
+	      C_BUILTIN_STDC_LEADING_ZEROS,
+	      C_BUILTIN_STDC_TRAILING_ONES,
+	      C_BUILTIN_STDC_TRAILING_ZEROS,
+	      C_BUILTIN_STDC_MAX
+	    } stdc_rid = C_BUILTIN_STDC_MAX;
+	    const char *name
+	      = IDENTIFIER_POINTER (c_parser_peek_token (parser)->value);
+	    switch (name[sizeof ("__builtin_stdc_") - 1])
+	      {
+	      case 'b':
+		switch (name[sizeof ("__builtin_stdc_bit_") - 1])
+		  {
+		  case 'c':
+		    stdc_rid = C_BUILTIN_STDC_BIT_CEIL;
+		    break;
+		  case 'f':
+		    stdc_rid = C_BUILTIN_STDC_BIT_FLOOR;
+		    break;
+		  default:
+		    stdc_rid = C_BUILTIN_STDC_BIT_WIDTH;
+		    break;
+		  }
+		break;
+	      case 'c':
+		if (name[sizeof ("__builtin_stdc_count_") - 1] == 'o')
+		  stdc_rid = C_BUILTIN_STDC_COUNT_ONES;
+		else
+		  stdc_rid = C_BUILTIN_STDC_COUNT_ZEROS;
+		break;
+	      case 'f':
+		switch (name[sizeof ("__builtin_stdc_first_trailing_") - 1])
+		  {
+		  case 'n':
+		    stdc_rid = C_BUILTIN_STDC_FIRST_LEADING_ONE;
+		    break;
+		  case 'e':
+		    stdc_rid = C_BUILTIN_STDC_FIRST_LEADING_ZERO;
+		    break;
+		  case 'o':
+		    stdc_rid = C_BUILTIN_STDC_FIRST_TRAILING_ONE;
+		    break;
+		  default:
+		    stdc_rid = C_BUILTIN_STDC_FIRST_TRAILING_ZERO;
+		    break;
+		  }
+		break;
+	      case 'h':
+		stdc_rid = C_BUILTIN_STDC_HAS_SINGLE_BIT;
+		break;
+	      case 'l':
+		if (name[sizeof ("__builtin_stdc_leading_") - 1] == 'o')
+		  stdc_rid = C_BUILTIN_STDC_LEADING_ONES;
+		else
+		  stdc_rid = C_BUILTIN_STDC_LEADING_ZEROS;
+		break;
+	      case 't':
+		if (name[sizeof ("__builtin_stdc_trailing_") - 1] == 'o')
+		  stdc_rid = C_BUILTIN_STDC_TRAILING_ONES;
+		else
+		  stdc_rid = C_BUILTIN_STDC_TRAILING_ZEROS;
+		break;
+	      }
+	    gcc_checking_assert (stdc_rid != C_BUILTIN_STDC_MAX);
+
+	    c_parser_consume_token (parser);
+	    if (!c_parser_get_builtin_args (parser, name,
+					    &cexpr_list, false,
+					    &close_paren_loc))
+	      {
+		expr.set_error ();
+		break;
+	      }
+
+	    if (vec_safe_length (cexpr_list) != 1)
+	      {
+		error_at (loc, "wrong number of arguments to %qs", name);
+		expr.set_error ();
+		break;
+	      }
+
+	    arg_p = &(*cexpr_list)[0];
+	    *arg_p = convert_lvalue_to_rvalue (loc, *arg_p, true, true);
+	    if (!INTEGRAL_TYPE_P (TREE_TYPE (arg_p->value)))
+	      {
+		error_at (loc, "%qs operand not an integral type", name);
+		expr.set_error ();
+		break;
+	      }
+	    tree arg = arg_p->value;
+	    tree type = TYPE_MAIN_VARIANT (TREE_TYPE (arg));
+	    /* Expand:
+	       __builtin_stdc_leading_zeros (arg) as
+		 (unsigned int) __builtin_clzg (arg, prec)
+	       __builtin_stdc_leading_ones (arg) as
+		 (unsigned int) __builtin_clzg ((type) ~arg, prec)
+	       __builtin_stdc_trailing_zeros (arg) as
+		 (unsigned int) __builtin_ctzg (arg, prec)
+	       __builtin_stdc_trailing_ones (arg) as
+		 (unsigned int) __builtin_ctzg ((type) ~arg, prec)
+	       __builtin_stdc_first_leading_zero (arg) as
+		 __builtin_clzg ((type) ~arg, -1) + 1U
+	       __builtin_stdc_first_leading_one (arg) as
+		 __builtin_clzg (arg, -1) + 1U
+	       __builtin_stdc_first_trailing_zero (arg) as
+		 __builtin_ctzg ((type) ~arg, -1) + 1U
+	       __builtin_stdc_first_trailing_one (arg) as
+		 __builtin_ctzg (arg, -1) + 1U
+	       __builtin_stdc_count_zeros (arg) as
+		 (unsigned int) __builtin_popcountg ((type) ~arg)
+	       __builtin_stdc_count_ones (arg) as
+		 (unsigned int) __builtin_popcountg (arg)
+	       __builtin_stdc_has_single_bit (arg) as
+		 (_Bool) (__builtin_popcountg (arg) == 1)
+	       __builtin_stdc_bit_width (arg) as
+		 (unsigned int) (prec - __builtin_clzg (arg, prec))
+	       __builtin_stdc_bit_floor (arg) as
+		 arg == 0 ? (type) 0
+			  : (type) 1 << (prec - 1 - __builtin_clzg (arg))
+	       __builtin_stdc_bit_ceil (arg) as
+		 arg <= 1 ? (type) 1
+			  : (type) 2 << (prec - 1 - __builtin_clzg (arg - 1))
+	       without evaluating arg multiple times, type being
+	       __typeof (arg) and prec __builtin_popcountg ((type) ~0)).  */
+	    int prec = TYPE_PRECISION (type);
+	    tree barg1 = arg;
+	    switch (stdc_rid)
+	      {
+	      case C_BUILTIN_STDC_BIT_CEIL:
+		arg = save_expr (arg);
+		barg1 = build2_loc (loc, PLUS_EXPR, type, arg,
+				    build_int_cst (type, -1));
+		break;
+	      case C_BUILTIN_STDC_BIT_FLOOR:
+		barg1 = arg = save_expr (arg);
+		break;
+	      case C_BUILTIN_STDC_COUNT_ZEROS:
+	      case C_BUILTIN_STDC_FIRST_LEADING_ZERO:
+	      case C_BUILTIN_STDC_FIRST_TRAILING_ZERO:
+	      case C_BUILTIN_STDC_LEADING_ONES:
+	      case C_BUILTIN_STDC_TRAILING_ONES:
+		barg1 = build1_loc (loc, BIT_NOT_EXPR, type, arg);
+		break;
+	      default:
+		break;
+	      }
+	    tree barg2 = NULL_TREE;
+	    switch (stdc_rid)
+	      {
+	      case C_BUILTIN_STDC_BIT_WIDTH:
+	      case C_BUILTIN_STDC_LEADING_ONES:
+	      case C_BUILTIN_STDC_LEADING_ZEROS:
+	      case C_BUILTIN_STDC_TRAILING_ONES:
+	      case C_BUILTIN_STDC_TRAILING_ZEROS:
+		barg2 = build_int_cst (integer_type_node, prec);
+		break;
+	      case C_BUILTIN_STDC_FIRST_LEADING_ONE:
+	      case C_BUILTIN_STDC_FIRST_LEADING_ZERO:
+	      case C_BUILTIN_STDC_FIRST_TRAILING_ONE:
+	      case C_BUILTIN_STDC_FIRST_TRAILING_ZERO:
+		barg2 = integer_minus_one_node;
+		break;
+	      default:
+		break;
+	      }
+	    tree fndecl = NULL_TREE;
+	    switch (stdc_rid)
+	      {
+	      case C_BUILTIN_STDC_BIT_CEIL:
+	      case C_BUILTIN_STDC_BIT_FLOOR:
+	      case C_BUILTIN_STDC_BIT_WIDTH:
+	      case C_BUILTIN_STDC_FIRST_LEADING_ONE:
+	      case C_BUILTIN_STDC_FIRST_LEADING_ZERO:
+	      case C_BUILTIN_STDC_LEADING_ONES:
+	      case C_BUILTIN_STDC_LEADING_ZEROS:
+		fndecl = builtin_decl_explicit (BUILT_IN_CLZG);
+		break;
+	      case C_BUILTIN_STDC_FIRST_TRAILING_ONE:
+	      case C_BUILTIN_STDC_FIRST_TRAILING_ZERO:
+	      case C_BUILTIN_STDC_TRAILING_ONES:
+	      case C_BUILTIN_STDC_TRAILING_ZEROS:
+		fndecl = builtin_decl_explicit (BUILT_IN_CTZG);
+		break;
+	      case C_BUILTIN_STDC_COUNT_ONES:
+	      case C_BUILTIN_STDC_COUNT_ZEROS:
+	      case C_BUILTIN_STDC_HAS_SINGLE_BIT:
+		fndecl = builtin_decl_explicit (BUILT_IN_POPCOUNTG);
+		break;
+	      default:
+		gcc_unreachable ();
+	      }
+	    /* Construct a call to __builtin_{clz,ctz,popcount}g.  */
+	    int nargs = barg2 != NULL_TREE ? 2 : 1;
+	    vec<tree, va_gc> *args;
+	    vec_alloc (args, nargs);
+	    vec<tree, va_gc> *origtypes;
+	    vec_alloc (origtypes, nargs);
+	    auto_vec<location_t> arg_loc (nargs);
+	    args->quick_push (barg1);
+	    arg_loc.quick_push (arg_p->get_location ());
+	    origtypes->quick_push (arg_p->original_type);
+	    if (nargs == 2)
+	      {
+		args->quick_push (barg2);
+		arg_loc.quick_push (loc);
+		origtypes->quick_push (integer_type_node);
+	      }
+	    expr.value = c_build_function_call_vec (loc, arg_loc, fndecl,
+						    args, origtypes);
+	    set_c_expr_source_range (&expr, loc, close_paren_loc);
+	    if (expr.value == error_mark_node)
+	      break;
+	    switch (stdc_rid)
+	      {
+	      case C_BUILTIN_STDC_BIT_CEIL:
+	      case C_BUILTIN_STDC_BIT_FLOOR:
+		--prec;
+		/* FALLTHRU */
+	      case C_BUILTIN_STDC_BIT_WIDTH:
+		expr.value = build2_loc (loc, MINUS_EXPR, integer_type_node,
+					 build_int_cst (integer_type_node,
+							prec), expr.value);
+		break;
+	      case C_BUILTIN_STDC_FIRST_LEADING_ONE:
+	      case C_BUILTIN_STDC_FIRST_LEADING_ZERO:
+	      case C_BUILTIN_STDC_FIRST_TRAILING_ONE:
+	      case C_BUILTIN_STDC_FIRST_TRAILING_ZERO:
+		expr.value = build2_loc (loc, PLUS_EXPR, integer_type_node,
+					 expr.value, integer_one_node);
+		break;
+	      case C_BUILTIN_STDC_HAS_SINGLE_BIT:
+		expr.value = build2_loc (loc, EQ_EXPR, boolean_type_node,
+					 expr.value, integer_one_node);
+		break;
+	      default:
+		break;
+	      }
+
+	    if (stdc_rid != C_BUILTIN_STDC_BIT_CEIL
+		&& stdc_rid != C_BUILTIN_STDC_BIT_FLOOR)
+	      {
+		if (stdc_rid != C_BUILTIN_STDC_HAS_SINGLE_BIT)
+		  expr.value = fold_convert_loc (loc, unsigned_type_node,
+						 expr.value);
+		break;
+	      }
+	    /* For __builtin_stdc_bit_ceil (0U) or __builtin_stdc_bit_ceil (1U)
+	       or __builtin_stdc_bit_floor (0U) avoid bogus -Wshift-count-*
+	       warnings.  The LSHIFT_EXPR is in dead code in that case.  */
+	    if (integer_zerop (arg)
+		|| (stdc_rid == C_BUILTIN_STDC_BIT_CEIL && integer_onep (arg)))
+	      expr.value = build_int_cst (type, 0);
+	    else
+	      expr.value
+		= build2_loc (loc, LSHIFT_EXPR, type,
+			      build_int_cst (type,
+					     (stdc_rid
+					      == C_BUILTIN_STDC_BIT_CEIL
+					      ? 2 : 1)), expr.value);
+	    if (stdc_rid == C_BUILTIN_STDC_BIT_CEIL)
+	      expr.value = build3_loc (loc, COND_EXPR, type,
+				       build2_loc (loc, LE_EXPR,
+						   boolean_type_node, arg,
+						   build_int_cst (type, 1)),
+				       build_int_cst (type, 1),
+				       expr.value);
+	    else
+	      expr.value = build3_loc (loc, COND_EXPR, type,
+				       build2_loc (loc, EQ_EXPR,
+						   boolean_type_node, arg,
+						   build_int_cst (type, 0)),
+				       build_int_cst (type, 0),
+				       expr.value);
+	    break;
+	  }
 	case RID_AT_SELECTOR:
 	  {
 	    gcc_assert (c_dialect_objc ());
--- gcc/c/c-decl.cc.jj	2023-11-20 09:49:34.767674716 +0100
+++ gcc/c/c-decl.cc	2023-11-20 14:21:23.460450475 +0100
@@ -11370,11 +11370,12 @@ names_builtin_p (const char *name)
      functions.  */
   switch (C_RID_CODE (id))
     {
+    case RID_BUILTIN_ASSOC_BARRIER:
     case RID_BUILTIN_CONVERTVECTOR:
     case RID_BUILTIN_HAS_ATTRIBUTE:
     case RID_BUILTIN_SHUFFLE:
     case RID_BUILTIN_SHUFFLEVECTOR:
-    case RID_BUILTIN_ASSOC_BARRIER:
+    case RID_BUILTIN_STDC:
     case RID_CHOOSE_EXPR:
     case RID_OFFSETOF:
     case RID_TYPES_COMPATIBLE_P:
--- gcc/testsuite/gcc.dg/builtin-stdc-bit-1.c.jj	2023-11-20 11:18:55.757125910 +0100
+++ gcc/testsuite/gcc.dg/builtin-stdc-bit-1.c	2023-11-20 16:25:22.548758830 +0100
@@ -0,0 +1,846 @@
+/* { dg-do run } */
+/* { dg-options "-std=c11" } */
+
+unsigned int
+leading_zeros (unsigned char a, unsigned short b, unsigned int c,
+	       unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_leading_zeros (a)
+	  + __builtin_stdc_leading_zeros (b)
+	  + __builtin_stdc_leading_zeros (c)
+	  + __builtin_stdc_leading_zeros (d)
+	  + __builtin_stdc_leading_zeros (e));
+}
+
+unsigned int
+leading_ones (unsigned char a, unsigned short b, unsigned int c,
+	      unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_leading_ones (a)
+	  + __builtin_stdc_leading_ones (b)
+	  + __builtin_stdc_leading_ones (c)
+	  + __builtin_stdc_leading_ones (d)
+	  + __builtin_stdc_leading_ones (e));
+}
+
+unsigned int
+trailing_zeros (unsigned char a, unsigned short b, unsigned int c,
+		unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_trailing_zeros (a)
+	  + __builtin_stdc_trailing_zeros (b)
+	  + __builtin_stdc_trailing_zeros (c)
+	  + __builtin_stdc_trailing_zeros (d)
+	  + __builtin_stdc_trailing_zeros (e));
+}
+
+unsigned int
+trailing_ones (unsigned char a, unsigned short b, unsigned int c,
+	       unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_trailing_ones (a)
+	  + __builtin_stdc_trailing_ones (b)
+	  + __builtin_stdc_trailing_ones (c)
+	  + __builtin_stdc_trailing_ones (d)
+	  + __builtin_stdc_trailing_ones (e));
+}
+
+unsigned int
+first_leading_zero (unsigned char a, unsigned short b, unsigned int c,
+		    unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_first_leading_zero (a)
+	  + __builtin_stdc_first_leading_zero (b)
+	  + __builtin_stdc_first_leading_zero (c)
+	  + __builtin_stdc_first_leading_zero (d)
+	  + __builtin_stdc_first_leading_zero (e));
+}
+
+unsigned int
+first_leading_one (unsigned char a, unsigned short b, unsigned int c,
+		   unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_first_leading_one (a)
+	  + __builtin_stdc_first_leading_one (b)
+	  + __builtin_stdc_first_leading_one (c)
+	  + __builtin_stdc_first_leading_one (d)
+	  + __builtin_stdc_first_leading_one (e));
+}
+
+unsigned int
+first_trailing_zero (unsigned char a, unsigned short b, unsigned int c,
+		     unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_first_trailing_zero (a)
+	  + __builtin_stdc_first_trailing_zero (b)
+	  + __builtin_stdc_first_trailing_zero (c)
+	  + __builtin_stdc_first_trailing_zero (d)
+	  + __builtin_stdc_first_trailing_zero (e));
+}
+
+unsigned int
+first_trailing_one (unsigned char a, unsigned short b, unsigned int c,
+		    unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_first_trailing_one (a)
+	  + __builtin_stdc_first_trailing_one (b)
+	  + __builtin_stdc_first_trailing_one (c)
+	  + __builtin_stdc_first_trailing_one (d)
+	  + __builtin_stdc_first_trailing_one (e));
+}
+
+unsigned int
+count_zeros (unsigned char a, unsigned short b, unsigned int c,
+	     unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_count_zeros (a)
+	  + __builtin_stdc_count_zeros (b)
+	  + __builtin_stdc_count_zeros (c)
+	  + __builtin_stdc_count_zeros (d)
+	  + __builtin_stdc_count_zeros (e));
+}
+
+unsigned int
+count_ones (unsigned char a, unsigned short b, unsigned int c,
+	    unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_count_ones (a)
+	  + __builtin_stdc_count_ones (b)
+	  + __builtin_stdc_count_ones (c)
+	  + __builtin_stdc_count_ones (d)
+	  + __builtin_stdc_count_ones (e));
+}
+
+unsigned int
+has_single_bit (unsigned char a, unsigned short b, unsigned int c,
+		unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_has_single_bit (a)
+	  || __builtin_stdc_has_single_bit (b)
+	  || __builtin_stdc_has_single_bit (c)
+	  || __builtin_stdc_has_single_bit (d)
+	  || __builtin_stdc_has_single_bit (e));
+}
+
+unsigned int
+bit_width (unsigned char a, unsigned short b, unsigned int c,
+	   unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_bit_width (a)
+	  + __builtin_stdc_bit_width (b)
+	  + __builtin_stdc_bit_width (c)
+	  + __builtin_stdc_bit_width (d)
+	  + __builtin_stdc_bit_width (e));
+}
+
+unsigned long long
+bit_floor (unsigned char a, unsigned short b, unsigned int c,
+	   unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_bit_floor (a)
+	  + __builtin_stdc_bit_floor (b)
+	  + __builtin_stdc_bit_floor (c)
+	  + __builtin_stdc_bit_floor (d)
+	  + __builtin_stdc_bit_floor (e));
+}
+
+unsigned long long
+bit_ceil (unsigned char a, unsigned short b, unsigned int c,
+	  unsigned long d, unsigned long long e)
+{
+  return (__builtin_stdc_bit_ceil (a)
+	  + __builtin_stdc_bit_ceil (b)
+	  + __builtin_stdc_bit_ceil (c)
+	  + __builtin_stdc_bit_ceil (d)
+	  + __builtin_stdc_bit_ceil (e));
+}
+
+#define expr_has_type(e, t) _Generic (e, default : 0, t : 1)
+
+int
+main ()
+{
+  if (__builtin_stdc_leading_zeros ((unsigned char) 0) != __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_leading_zeros ((unsigned char) 0), unsigned int)
+      || __builtin_stdc_leading_zeros ((unsigned short) 0) != __SIZEOF_SHORT__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_leading_zeros ((unsigned short) 0), unsigned int)
+      || __builtin_stdc_leading_zeros (0U) != __SIZEOF_INT__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_leading_zeros (0U), unsigned int)
+      || __builtin_stdc_leading_zeros (0UL) != __SIZEOF_LONG__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_leading_zeros (0UL), unsigned int)
+      || __builtin_stdc_leading_zeros (0ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_leading_zeros (0ULL), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_leading_zeros ((unsigned char) ~0U) != 0
+      || __builtin_stdc_leading_zeros ((unsigned short) ~0U) != 0
+      || __builtin_stdc_leading_zeros (~0U) != 0
+      || __builtin_stdc_leading_zeros (~0UL) != 0
+      || __builtin_stdc_leading_zeros (~0ULL) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_leading_zeros ((unsigned char) 3) != __CHAR_BIT__ - 2
+      || __builtin_stdc_leading_zeros ((unsigned short) 9) != __SIZEOF_SHORT__ * __CHAR_BIT__ - 4
+      || __builtin_stdc_leading_zeros (34U) != __SIZEOF_INT__ * __CHAR_BIT__ - 6
+      || __builtin_stdc_leading_zeros (130UL) != __SIZEOF_LONG__ * __CHAR_BIT__ - 8
+      || __builtin_stdc_leading_zeros (512ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 10)
+    __builtin_abort ();
+  if (__builtin_stdc_leading_ones ((unsigned char) 0) != 0
+      || !expr_has_type (__builtin_stdc_leading_ones ((unsigned char) 0), unsigned int)
+      || __builtin_stdc_leading_ones ((unsigned short) 0) != 0
+      || !expr_has_type (__builtin_stdc_leading_ones ((unsigned short) 0), unsigned int)
+      || __builtin_stdc_leading_ones (0U) != 0
+      || !expr_has_type (__builtin_stdc_leading_ones (0U), unsigned int)
+      || __builtin_stdc_leading_ones (0UL) != 0
+      || !expr_has_type (__builtin_stdc_leading_ones (0UL), unsigned int)
+      || __builtin_stdc_leading_ones (0ULL) != 0
+      || !expr_has_type (__builtin_stdc_leading_ones (0ULL), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_leading_ones ((unsigned char) ~0U) != __CHAR_BIT__
+      || __builtin_stdc_leading_ones ((unsigned short) ~0U) != __SIZEOF_SHORT__ * __CHAR_BIT__
+      || __builtin_stdc_leading_ones (~0U) != __SIZEOF_INT__ * __CHAR_BIT__
+      || __builtin_stdc_leading_ones (~0UL) != __SIZEOF_LONG__ * __CHAR_BIT__
+      || __builtin_stdc_leading_ones (~0ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__)
+    __builtin_abort ();
+  if (__builtin_stdc_leading_ones ((unsigned char) ~3) != __CHAR_BIT__ - 2
+      || __builtin_stdc_leading_ones ((unsigned short) ~9) != __SIZEOF_SHORT__ * __CHAR_BIT__ - 4
+      || __builtin_stdc_leading_ones (~34U) != __SIZEOF_INT__ * __CHAR_BIT__ - 6
+      || __builtin_stdc_leading_ones (~130UL) != __SIZEOF_LONG__ * __CHAR_BIT__ - 8
+      || __builtin_stdc_leading_ones (~512ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 10)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_zeros ((unsigned char) 0) != __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_trailing_zeros ((unsigned char) 0), unsigned int)
+      || __builtin_stdc_trailing_zeros ((unsigned short) 0) != __SIZEOF_SHORT__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_trailing_zeros ((unsigned short) 0), unsigned int)
+      || __builtin_stdc_trailing_zeros (0U) != __SIZEOF_INT__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_trailing_zeros (0U), unsigned int)
+      || __builtin_stdc_trailing_zeros (0UL) != __SIZEOF_LONG__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_trailing_zeros (0UL), unsigned int)
+      || __builtin_stdc_trailing_zeros (0ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_trailing_zeros (0ULL), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_zeros ((unsigned char) ~0U) != 0
+      || __builtin_stdc_trailing_zeros ((unsigned short) ~0U) != 0
+      || __builtin_stdc_trailing_zeros (~0U) != 0
+      || __builtin_stdc_trailing_zeros (~0UL) != 0
+      || __builtin_stdc_trailing_zeros (~0ULL) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_zeros ((unsigned char) 2) != 1
+      || __builtin_stdc_trailing_zeros ((unsigned short) 24) != 3
+      || __builtin_stdc_trailing_zeros (32U) != 5
+      || __builtin_stdc_trailing_zeros (128UL) != 7
+      || __builtin_stdc_trailing_zeros (512ULL) != 9)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_ones ((unsigned char) 0) != 0
+      || !expr_has_type (__builtin_stdc_trailing_ones ((unsigned char) 0), unsigned int)
+      || __builtin_stdc_trailing_ones ((unsigned short) 0) != 0
+      || !expr_has_type (__builtin_stdc_trailing_ones ((unsigned short) 0), unsigned int)
+      || __builtin_stdc_trailing_ones (0U) != 0
+      || !expr_has_type (__builtin_stdc_trailing_ones (0U), unsigned int)
+      || __builtin_stdc_trailing_ones (0UL) != 0
+      || !expr_has_type (__builtin_stdc_trailing_ones (0UL), unsigned int)
+      || __builtin_stdc_trailing_ones (0ULL) != 0
+      || !expr_has_type (__builtin_stdc_trailing_ones (0ULL), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_ones ((unsigned char) ~0U) != __CHAR_BIT__
+      || __builtin_stdc_trailing_ones ((unsigned short) ~0U) != __SIZEOF_SHORT__ * __CHAR_BIT__
+      || __builtin_stdc_trailing_ones (~0U) != __SIZEOF_INT__ * __CHAR_BIT__
+      || __builtin_stdc_trailing_ones (~0UL) != __SIZEOF_LONG__ * __CHAR_BIT__
+      || __builtin_stdc_trailing_ones (~0ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_ones ((unsigned char) 5) != 1
+      || __builtin_stdc_trailing_ones ((unsigned short) 15) != 4
+      || __builtin_stdc_trailing_ones (127U) != 7
+      || __builtin_stdc_trailing_ones (511UL) != 9
+      || __builtin_stdc_trailing_ones (~0ULL >> 2) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 2)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_zero ((unsigned char) 0) != 1
+      || !expr_has_type (__builtin_stdc_first_leading_zero ((unsigned char) 0), unsigned int)
+      || __builtin_stdc_first_leading_zero ((unsigned short) 0) != 1
+      || !expr_has_type (__builtin_stdc_first_leading_zero ((unsigned short) 0), unsigned int)
+      || __builtin_stdc_first_leading_zero (0U) != 1
+      || !expr_has_type (__builtin_stdc_first_leading_zero (0U), unsigned int)
+      || __builtin_stdc_first_leading_zero (0UL) != 1
+      || !expr_has_type (__builtin_stdc_first_leading_zero (0UL), unsigned int)
+      || __builtin_stdc_first_leading_zero (0ULL) != 1
+      || !expr_has_type (__builtin_stdc_first_leading_zero (0ULL), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_zero ((unsigned char) ~0U) != 0
+      || __builtin_stdc_first_leading_zero ((unsigned short) ~0U) != 0
+      || __builtin_stdc_first_leading_zero (~0U) != 0
+      || __builtin_stdc_first_leading_zero (~0UL) != 0
+      || __builtin_stdc_first_leading_zero (~0ULL) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_zero ((unsigned char) ~3U) != __CHAR_BIT__ - 1
+      || __builtin_stdc_first_leading_zero ((unsigned short) ~15U) != __SIZEOF_SHORT__ * __CHAR_BIT__ - 3
+      || __builtin_stdc_first_leading_zero (~63U) != __SIZEOF_INT__ * __CHAR_BIT__ - 5
+      || __builtin_stdc_first_leading_zero (~255UL) != __SIZEOF_LONG__ * __CHAR_BIT__ - 7
+      || __builtin_stdc_first_leading_zero (~1023ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 9)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_one ((unsigned char) 0) != 0
+      || !expr_has_type (__builtin_stdc_first_leading_one ((unsigned char) 0), unsigned int)
+      || __builtin_stdc_first_leading_one ((unsigned short) 0) != 0
+      || !expr_has_type (__builtin_stdc_first_leading_one ((unsigned short) 0), unsigned int)
+      || __builtin_stdc_first_leading_one (0U) != 0
+      || !expr_has_type (__builtin_stdc_first_leading_one (0U), unsigned int)
+      || __builtin_stdc_first_leading_one (0UL) != 0
+      || !expr_has_type (__builtin_stdc_first_leading_one (0UL), unsigned int)
+      || __builtin_stdc_first_leading_one (0ULL) != 0
+      || !expr_has_type (__builtin_stdc_first_leading_one (0ULL), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_one ((unsigned char) ~0U) != 1
+      || __builtin_stdc_first_leading_one ((unsigned short) ~0U) != 1
+      || __builtin_stdc_first_leading_one (~0U) != 1
+      || __builtin_stdc_first_leading_one (~0UL) != 1
+      || __builtin_stdc_first_leading_one (~0ULL) != 1)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_one ((unsigned char) 3) != __CHAR_BIT__ - 1
+      || __builtin_stdc_first_leading_one ((unsigned short) 9) != __SIZEOF_SHORT__ * __CHAR_BIT__ - 3
+      || __builtin_stdc_first_leading_one (34U) != __SIZEOF_INT__ * __CHAR_BIT__ - 5
+      || __builtin_stdc_first_leading_one (130UL) != __SIZEOF_LONG__ * __CHAR_BIT__ - 7
+      || __builtin_stdc_first_leading_one (512ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 9)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_zero ((unsigned char) 0) != 1
+      || !expr_has_type (__builtin_stdc_first_trailing_zero ((unsigned char) 0), unsigned int)
+      || __builtin_stdc_first_trailing_zero ((unsigned short) 0) != 1
+      || !expr_has_type (__builtin_stdc_first_trailing_zero ((unsigned short) 0), unsigned int)
+      || __builtin_stdc_first_trailing_zero (0U) != 1
+      || !expr_has_type (__builtin_stdc_first_trailing_zero (0U), unsigned int)
+      || __builtin_stdc_first_trailing_zero (0UL) != 1
+      || !expr_has_type (__builtin_stdc_first_trailing_zero (0UL), unsigned int)
+      || __builtin_stdc_first_trailing_zero (0ULL) != 1
+      || !expr_has_type (__builtin_stdc_first_trailing_zero (0ULL), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_zero ((unsigned char) ~0U) != 0
+      || __builtin_stdc_first_trailing_zero ((unsigned short) ~0U) != 0
+      || __builtin_stdc_first_trailing_zero (~0U) != 0
+      || __builtin_stdc_first_trailing_zero (~0UL) != 0
+      || __builtin_stdc_first_trailing_zero (~0ULL) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_zero ((unsigned char) 2) != 1
+      || __builtin_stdc_first_trailing_zero ((unsigned short) 15) != 5
+      || __builtin_stdc_first_trailing_zero (63U) != 7
+      || __builtin_stdc_first_trailing_zero (128UL) != 1
+      || __builtin_stdc_first_trailing_zero (511ULL) != 10)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_one ((unsigned char) 0) != 0
+      || !expr_has_type (__builtin_stdc_first_trailing_one ((unsigned char) 0), unsigned int)
+      || __builtin_stdc_first_trailing_one ((unsigned short) 0) != 0
+      || !expr_has_type (__builtin_stdc_first_trailing_one ((unsigned short) 0), unsigned int)
+      || __builtin_stdc_first_trailing_one (0U) != 0
+      || !expr_has_type (__builtin_stdc_first_trailing_one (0U), unsigned int)
+      || __builtin_stdc_first_trailing_one (0UL) != 0
+      || !expr_has_type (__builtin_stdc_first_trailing_one (0UL), unsigned int)
+      || __builtin_stdc_first_trailing_one (0ULL) != 0
+      || !expr_has_type (__builtin_stdc_first_trailing_one (0ULL), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_one ((unsigned char) ~0U) != 1
+      || __builtin_stdc_first_trailing_one ((unsigned short) ~0U) != 1
+      || __builtin_stdc_first_trailing_one (~0U) != 1
+      || __builtin_stdc_first_trailing_one (~0UL) != 1
+      || __builtin_stdc_first_trailing_one (~0ULL) != 1)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_one ((unsigned char) 4) != 3
+      || __builtin_stdc_first_trailing_one ((unsigned short) 96) != 6
+      || __builtin_stdc_first_trailing_one (127U) != 1
+      || __builtin_stdc_first_trailing_one (511UL) != 1
+      || __builtin_stdc_first_trailing_one (~0ULL << 12) != 13)
+    __builtin_abort ();
+  if (__builtin_stdc_count_zeros ((unsigned char) 0) != __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_count_zeros ((unsigned char) 0), unsigned int)
+      || __builtin_stdc_count_zeros ((unsigned short) 0) != __SIZEOF_SHORT__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_count_zeros ((unsigned short) 0), unsigned int)
+      || __builtin_stdc_count_zeros (0U) != __SIZEOF_INT__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_count_zeros (0U), unsigned int)
+      || __builtin_stdc_count_zeros (0UL) != __SIZEOF_LONG__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_count_zeros (0UL), unsigned int)
+      || __builtin_stdc_count_zeros (0ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_count_zeros (0ULL), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_count_zeros ((unsigned char) ~0U) != 0
+      || __builtin_stdc_count_zeros ((unsigned short) ~0U) != 0
+      || __builtin_stdc_count_zeros (~0U) != 0
+      || __builtin_stdc_count_zeros (~0UL) != 0
+      || __builtin_stdc_count_zeros (~0ULL) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_count_zeros ((unsigned char) 1U) != __CHAR_BIT__ - 1
+      || __builtin_stdc_count_zeros ((unsigned short) 42) != __SIZEOF_SHORT__ * __CHAR_BIT__ - 3
+      || __builtin_stdc_count_zeros (291U) != __SIZEOF_INT__ * __CHAR_BIT__ - 4
+      || __builtin_stdc_count_zeros (~1315UL) != 5
+      || __builtin_stdc_count_zeros (3363ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 6)
+    __builtin_abort ();
+  if (__builtin_stdc_count_ones ((unsigned char) 0) != 0
+      || !expr_has_type (__builtin_stdc_count_ones ((unsigned char) 0), unsigned int)
+      || __builtin_stdc_count_ones ((unsigned short) 0) != 0
+      || !expr_has_type (__builtin_stdc_count_ones ((unsigned short) 0), unsigned int)
+      || __builtin_stdc_count_ones (0U) != 0
+      || !expr_has_type (__builtin_stdc_count_ones (0U), unsigned int)
+      || __builtin_stdc_count_ones (0UL) != 0
+      || !expr_has_type (__builtin_stdc_count_ones (0UL), unsigned int)
+      || __builtin_stdc_count_ones (0ULL) != 0
+      || !expr_has_type (__builtin_stdc_count_ones (0ULL), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_count_ones ((unsigned char) ~0U) != __CHAR_BIT__
+      || __builtin_stdc_count_ones ((unsigned short) ~0U) != __SIZEOF_SHORT__ * __CHAR_BIT__
+      || __builtin_stdc_count_ones (~0U) != __SIZEOF_INT__ * __CHAR_BIT__
+      || __builtin_stdc_count_ones (~0UL) != __SIZEOF_LONG__ * __CHAR_BIT__
+      || __builtin_stdc_count_ones (~0ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__)
+    __builtin_abort ();
+  if (__builtin_stdc_count_ones ((unsigned char) ~1U) != __CHAR_BIT__ - 1
+      || __builtin_stdc_count_ones ((unsigned short) ~42) != __SIZEOF_SHORT__ * __CHAR_BIT__ - 3
+      || __builtin_stdc_count_ones (~291U) != __SIZEOF_INT__ * __CHAR_BIT__ - 4
+      || __builtin_stdc_count_ones (1315UL) != 5
+      || __builtin_stdc_count_ones (~3363ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 6)
+    __builtin_abort ();
+  if (__builtin_stdc_has_single_bit ((unsigned char) 0)
+      || !expr_has_type (__builtin_stdc_has_single_bit ((unsigned char) 0), _Bool)
+      || __builtin_stdc_has_single_bit ((unsigned short) 0)
+      || !expr_has_type (__builtin_stdc_has_single_bit ((unsigned short) 0), _Bool)
+      || __builtin_stdc_has_single_bit (0U)
+      || !expr_has_type (__builtin_stdc_has_single_bit (0U), _Bool)
+      || __builtin_stdc_has_single_bit (0UL)
+      || !expr_has_type (__builtin_stdc_has_single_bit (0UL), _Bool)
+      || __builtin_stdc_has_single_bit (0ULL)
+      || !expr_has_type (__builtin_stdc_has_single_bit (0ULL), _Bool))
+    __builtin_abort ();
+  if (!__builtin_stdc_has_single_bit ((unsigned char) 2)
+      || !__builtin_stdc_has_single_bit ((unsigned short) 8)
+      || !__builtin_stdc_has_single_bit (32U)
+      || !__builtin_stdc_has_single_bit (128UL)
+      || !__builtin_stdc_has_single_bit (512ULL))
+    __builtin_abort ();
+  if (__builtin_stdc_has_single_bit ((unsigned char) 7)
+      || __builtin_stdc_has_single_bit ((unsigned short) 96)
+      || __builtin_stdc_has_single_bit (513U)
+      || __builtin_stdc_has_single_bit (1022UL)
+      || __builtin_stdc_has_single_bit (12ULL))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_width ((unsigned char) 0) != 0
+      || !expr_has_type (__builtin_stdc_bit_width ((unsigned char) 0), unsigned int)
+      || __builtin_stdc_bit_width ((unsigned short) 0) != 0
+      || !expr_has_type (__builtin_stdc_bit_width ((unsigned short) 0), unsigned int)
+      || __builtin_stdc_bit_width (0U) != 0
+      || !expr_has_type (__builtin_stdc_bit_width (0U), unsigned int)
+      || __builtin_stdc_bit_width (0UL) != 0
+      || !expr_has_type (__builtin_stdc_bit_width (0UL), unsigned int)
+      || __builtin_stdc_bit_width (0ULL) != 0
+      || !expr_has_type (__builtin_stdc_bit_width (0ULL), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_width ((unsigned char) ~0U) != __CHAR_BIT__
+      || __builtin_stdc_bit_width ((unsigned short) ~0U) != __SIZEOF_SHORT__ * __CHAR_BIT__
+      || __builtin_stdc_bit_width (~0U) != __SIZEOF_INT__ * __CHAR_BIT__
+      || __builtin_stdc_bit_width (~0UL) != __SIZEOF_LONG__ * __CHAR_BIT__
+      || __builtin_stdc_bit_width (~0ULL) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_width ((unsigned char) ((unsigned char) ~0U >> 1)) != __CHAR_BIT__ - 1
+      || __builtin_stdc_bit_width ((unsigned char) 6) != 3
+      || __builtin_stdc_bit_width ((unsigned short) 12U) != 4
+      || __builtin_stdc_bit_width ((unsigned short) ((unsigned short) ~0U >> 5)) != __SIZEOF_SHORT__ * __CHAR_BIT__ - 5
+      || __builtin_stdc_bit_width (137U) != 8
+      || __builtin_stdc_bit_width (269U) != 9
+      || __builtin_stdc_bit_width (39UL) != 6
+      || __builtin_stdc_bit_width (~0UL >> 2) != __SIZEOF_LONG__ * __CHAR_BIT__ - 2
+      || __builtin_stdc_bit_width (1023ULL) != 10
+      || __builtin_stdc_bit_width (1024ULL) != 11)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_floor ((unsigned char) 0) != 0
+      || !expr_has_type (__builtin_stdc_bit_floor ((unsigned char) 0), unsigned char)
+      || __builtin_stdc_bit_floor ((unsigned short) 0) != 0
+      || !expr_has_type (__builtin_stdc_bit_floor ((unsigned short) 0), unsigned short)
+      || __builtin_stdc_bit_floor (0U) != 0U
+      || !expr_has_type (__builtin_stdc_bit_floor (0U), unsigned int)
+      || __builtin_stdc_bit_floor (0UL) != 0UL
+      || !expr_has_type (__builtin_stdc_bit_floor (0UL), unsigned long)
+      || __builtin_stdc_bit_floor (0ULL) != 0ULL
+      || !expr_has_type (__builtin_stdc_bit_floor (0ULL), unsigned long long))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_floor ((unsigned char) ~0U) != (1U << (__CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_floor ((unsigned short) ~0U) != (1U << (__SIZEOF_SHORT__ * __CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_floor (~0U) != (1U << (__SIZEOF_INT__ * __CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_floor (~0UL) != (1UL << (__SIZEOF_LONG__ * __CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_floor (~0ULL) != (1ULL << (__SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 1)))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_floor ((unsigned char) 4) != 4
+      || __builtin_stdc_bit_floor ((unsigned char) 7) != 4
+      || __builtin_stdc_bit_floor ((unsigned short) 8U) != 8
+      || __builtin_stdc_bit_floor ((unsigned short) 31U) != 16
+      || __builtin_stdc_bit_floor (137U) != 128U
+      || __builtin_stdc_bit_floor (269U) != 256U
+      || __builtin_stdc_bit_floor (511UL) != 256UL
+      || __builtin_stdc_bit_floor (512UL) != 512UL
+      || __builtin_stdc_bit_floor (513UL) != 512ULL
+      || __builtin_stdc_bit_floor (1024ULL) != 1024ULL)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil ((unsigned char) 0) != 1
+      || !expr_has_type (__builtin_stdc_bit_ceil ((unsigned char) 0), unsigned char)
+      || __builtin_stdc_bit_ceil ((unsigned short) 0) != 1
+      || !expr_has_type (__builtin_stdc_bit_ceil ((unsigned short) 0), unsigned short)
+      || __builtin_stdc_bit_ceil (0U) != 1U
+      || !expr_has_type (__builtin_stdc_bit_ceil (0U), unsigned int)
+      || __builtin_stdc_bit_ceil (0UL) != 1UL
+      || !expr_has_type (__builtin_stdc_bit_ceil (0UL), unsigned long)
+      || __builtin_stdc_bit_ceil (0ULL) != 1ULL
+      || !expr_has_type (__builtin_stdc_bit_ceil (0ULL), unsigned long long))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil ((unsigned char) ~0U) != 0
+      || __builtin_stdc_bit_ceil ((unsigned short) ~0U) != 0
+      || __builtin_stdc_bit_ceil (~0U) != 0U
+      || __builtin_stdc_bit_ceil (~0UL) != 0UL
+      || __builtin_stdc_bit_ceil (~0ULL) != 0ULL)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil ((unsigned char) ((unsigned char) ~0U >> 1)) != (1U << (__CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_ceil ((unsigned char) ((unsigned char) ~0U >> 1)) != (1U << (__CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_ceil ((unsigned short) ((unsigned short) ~0U >> 1)) != (1U << (__SIZEOF_SHORT__ * __CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_ceil ((unsigned short) ((unsigned short) ~0U >> 1)) != (1U << (__SIZEOF_SHORT__ * __CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_ceil (~0U >> 1) != (1U << (__SIZEOF_INT__ * __CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_ceil (1U << (__SIZEOF_INT__ * __CHAR_BIT__ - 1)) != (1U << (__SIZEOF_INT__ * __CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_ceil (~0UL >> 1) != (1UL << (__SIZEOF_LONG__ * __CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_ceil (~0UL >> 1) != (1UL << (__SIZEOF_LONG__ * __CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_ceil (1ULL << (__SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 1)) != (1ULL << (__SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 1))
+      || __builtin_stdc_bit_ceil (~0ULL >> 1) != (1ULL << (__SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 1)))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil ((unsigned char) 1) != 1
+      || __builtin_stdc_bit_ceil ((unsigned char) 2) != 2
+      || __builtin_stdc_bit_ceil ((unsigned short) 3U) != 4
+      || __builtin_stdc_bit_ceil ((unsigned short) 4U) != 4
+      || __builtin_stdc_bit_ceil (5U) != 8U
+      || __builtin_stdc_bit_ceil (269U) != 512U
+      || __builtin_stdc_bit_ceil (511UL) != 512UL
+      || __builtin_stdc_bit_ceil (512UL) != 512UL
+      || __builtin_stdc_bit_ceil (513ULL) != 1024ULL
+      || __builtin_stdc_bit_ceil (1025ULL) != 2048ULL)
+    __builtin_abort ();
+#ifdef __SIZEOF_INT128__
+  if (__builtin_stdc_leading_zeros ((unsigned __int128) 0) != __SIZEOF_INT128__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_leading_zeros ((unsigned __int128) 0), unsigned int)
+      || __builtin_stdc_leading_zeros (~(unsigned __int128) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_leading_ones ((unsigned __int128) 0) != 0
+      || !expr_has_type (__builtin_stdc_leading_ones ((unsigned __int128) 0), unsigned int)
+      || __builtin_stdc_leading_ones (~(unsigned __int128) 0) != __SIZEOF_INT128__ * __CHAR_BIT__)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_zeros ((unsigned __int128) 0) != __SIZEOF_INT128__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_trailing_zeros ((unsigned __int128) 0), unsigned int)
+      || __builtin_stdc_trailing_zeros (~(unsigned __int128) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_ones ((unsigned __int128) 0) != 0
+      || !expr_has_type (__builtin_stdc_trailing_ones ((unsigned __int128) 0), unsigned int)
+      || __builtin_stdc_trailing_ones (~(unsigned __int128) 0) != __SIZEOF_INT128__ * __CHAR_BIT__)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_zero ((unsigned __int128) 0) != 1
+      || !expr_has_type (__builtin_stdc_first_leading_zero ((unsigned __int128) 0), unsigned int)
+      || __builtin_stdc_first_leading_zero (~(unsigned __int128) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_one ((unsigned __int128) 0) != 0
+      || !expr_has_type (__builtin_stdc_first_leading_one ((unsigned __int128) 0), unsigned int)
+      || __builtin_stdc_first_leading_one (~(unsigned __int128) 0) != 1)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_zero ((unsigned __int128) 0) != 1
+      || !expr_has_type (__builtin_stdc_first_trailing_zero ((unsigned __int128) 0), unsigned int)
+      || __builtin_stdc_first_trailing_zero (~(unsigned __int128) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_one ((unsigned __int128) 0) != 0
+      || !expr_has_type (__builtin_stdc_first_trailing_one ((unsigned __int128) 0), unsigned int)
+      || __builtin_stdc_first_trailing_one (~(unsigned __int128) 0) != 1)
+    __builtin_abort ();
+  if (__builtin_stdc_count_zeros ((unsigned __int128) 0) != __SIZEOF_INT128__ * __CHAR_BIT__
+      || !expr_has_type (__builtin_stdc_count_zeros ((unsigned __int128) 0), unsigned int)
+      || __builtin_stdc_count_zeros (~(unsigned __int128) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_count_ones ((unsigned __int128) 0) != 0
+      || !expr_has_type (__builtin_stdc_count_ones ((unsigned __int128) 0), unsigned int)
+      || __builtin_stdc_count_ones (~(unsigned __int128) 0) != __SIZEOF_INT128__ * __CHAR_BIT__)
+    __builtin_abort ();
+  if (__builtin_stdc_has_single_bit ((unsigned __int128) 0)
+      || !expr_has_type (__builtin_stdc_has_single_bit ((unsigned __int128) 0), _Bool)
+      || __builtin_stdc_has_single_bit (~(unsigned __int128) 0))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_width ((unsigned __int128) 0) != 0
+      || !expr_has_type (__builtin_stdc_bit_width ((unsigned __int128) 0), unsigned int)
+      || __builtin_stdc_bit_width (~(unsigned __int128) 0) != __SIZEOF_INT128__ * __CHAR_BIT__)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_floor ((unsigned __int128) 0) != 0
+      || !expr_has_type (__builtin_stdc_bit_floor ((unsigned __int128) 0), unsigned __int128)
+      || __builtin_stdc_bit_floor (~(unsigned __int128) 0) != ((unsigned __int128) 1) << (__SIZEOF_INT128__ * __CHAR_BIT__ - 1))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil ((unsigned __int128) 0) != 1
+      || !expr_has_type (__builtin_stdc_bit_ceil ((unsigned __int128) 0), unsigned __int128)
+      || __builtin_stdc_bit_ceil ((unsigned __int128) 1) != 1
+      || __builtin_stdc_bit_ceil ((~(unsigned __int128) 0) >> 1) != ((unsigned __int128) 1) << (__SIZEOF_INT128__ * __CHAR_BIT__ - 1)
+      || __builtin_stdc_bit_ceil (~(unsigned __int128) 0) != 0)
+    __builtin_abort ();
+#endif
+#if __has_builtin (__builtin_stdc_leading_zeros) != 1
+#error __builtin_stdc_leading_zeros not implemented
+#endif
+#if __has_builtin (__builtin_stdc_leading_ones) != 1
+#error __builtin_stdc_leading_ones not implemented
+#endif
+#if __has_builtin (__builtin_stdc_trailing_zeros) != 1
+#error __builtin_stdc_trailing_zeros not implemented
+#endif
+#if __has_builtin (__builtin_stdc_trailing_ones) != 1
+#error __builtin_stdc_trailing_ones not implemented
+#endif
+#if __has_builtin (__builtin_stdc_first_leading_zero) != 1
+#error __builtin_stdc_first_leading_zero not implemented
+#endif
+#if __has_builtin (__builtin_stdc_first_leading_one) != 1
+#error __builtin_stdc_first_leading_one not implemented
+#endif
+#if __has_builtin (__builtin_stdc_first_trailing_zero) != 1
+#error __builtin_stdc_first_trailing_zero not implemented
+#endif
+#if __has_builtin (__builtin_stdc_first_trailing_one) != 1
+#error __builtin_stdc_first_trailing_one not implemented
+#endif
+#if __has_builtin (__builtin_stdc_count_zeros) != 1
+#error __builtin_stdc_count_zeros not implemented
+#endif
+#if __has_builtin (__builtin_stdc_count_ones) != 1
+#error __builtin_stdc_count_ones not implemented
+#endif
+#if __has_builtin (__builtin_stdc_has_single_bit) != 1
+#error __builtin_stdc_single_bit not implemented
+#endif
+#if __has_builtin (__builtin_stdc_bit_width) != 1
+#error __builtin_stdc_bit_width not implemented
+#endif
+#if __has_builtin (__builtin_stdc_bit_floor) != 1
+#error __builtin_stdc_bit_floor not implemented
+#endif
+#if __has_builtin (__builtin_stdc_bit_ceil) != 1
+#error __builtin_stdc_bit_ceil not implemented
+#endif
+  unsigned char a = 0;
+  if (__builtin_stdc_bit_width (a++) != 0 || a != 1)
+    __builtin_abort ();
+  unsigned long long b = 0;
+  if (__builtin_stdc_bit_width (b++) != 0 || b != 1)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_floor (a++) != 1 || a != 2)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_floor (b++) != 1 || b != 2)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil (a++) != 2 || a != 3)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil (b++) != 2 || b != 3)
+    __builtin_abort ();
+  if (__builtin_stdc_leading_zeros (a++) != __CHAR_BIT__ - 2 || a != 4)
+    __builtin_abort ();
+  if (__builtin_stdc_leading_zeros (b++) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 2 || b != 4)
+    __builtin_abort ();
+  if (__builtin_stdc_leading_ones (a++) != 0 || a != 5)
+    __builtin_abort ();
+  if (__builtin_stdc_leading_ones (b++) != 0 || b != 5)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_zeros (a++) != 0 || a != 6)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_zeros (b++) != 0 || b != 6)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_ones (a++) != 0 || a != 7)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_ones (b++) != 0 || b != 7)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_zero (a++) != 1 || a != 8)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_zero (b++) != 1 || b != 8)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_one (a++) != __CHAR_BIT__ - 3 || a != 9)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_one (b++) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 3 || b != 9)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_zero (a++) != 2 || a != 10)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_zero (b++) != 2 || b != 10)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_one (a++) != 2 || a != 11)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_one (b++) != 2 || b != 11)
+    __builtin_abort ();
+  if (__builtin_stdc_count_zeros (a++) != __CHAR_BIT__ - 3 || a != 12)
+    __builtin_abort ();
+  if (__builtin_stdc_count_zeros (b++) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__ - 3 || b != 12)
+    __builtin_abort ();
+  if (__builtin_stdc_count_ones (a++) != 2 || a != 13)
+    __builtin_abort ();
+  if (__builtin_stdc_count_ones (b++) != 2 || b != 13)
+    __builtin_abort ();
+  if (__builtin_stdc_has_single_bit (a++) || a != 14)
+    __builtin_abort ();
+  if (__builtin_stdc_has_single_bit (b++) || b != 14)
+    __builtin_abort ();
+#if __BITINT_MAXWIDTH__ >= 512
+  if (__builtin_stdc_leading_zeros ((unsigned _BitInt(512)) 0) != 512
+      || !expr_has_type (__builtin_stdc_leading_zeros ((unsigned _BitInt(512)) 0), unsigned int)
+      || __builtin_stdc_leading_zeros ((unsigned _BitInt(373)) 0) != 373
+      || !expr_has_type (__builtin_stdc_leading_zeros ((unsigned _BitInt(373)) 0), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_leading_zeros (~(unsigned _BitInt(512)) 0) != 0
+      || __builtin_stdc_leading_zeros (~(unsigned _BitInt(373)) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_leading_zeros ((unsigned _BitInt(512)) 275) != 512 - 9
+      || __builtin_stdc_leading_zeros ((unsigned _BitInt(373)) 512) != 373 - 10)
+    __builtin_abort ();
+  if (__builtin_stdc_leading_ones ((unsigned _BitInt(512)) 0) != 0
+      || !expr_has_type (__builtin_stdc_leading_ones ((unsigned _BitInt(512)) 0), unsigned int)
+      || __builtin_stdc_leading_ones ((unsigned _BitInt(373)) 0) != 0
+      || !expr_has_type (__builtin_stdc_leading_ones ((unsigned _BitInt(373)) 0), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_leading_ones (~(unsigned _BitInt(512)) 0) != 512
+      || __builtin_stdc_leading_ones (~(unsigned _BitInt(373)) 0) != 373)
+    __builtin_abort ();
+  if (__builtin_stdc_leading_ones (~(unsigned _BitInt(512)) 275) != 512 - 9
+      || __builtin_stdc_leading_ones (~(unsigned _BitInt(373)) 512) != 373 - 10)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_zeros ((unsigned _BitInt(512)) 0) != 512
+      || !expr_has_type (__builtin_stdc_trailing_zeros ((unsigned _BitInt(512)) 0), unsigned int)
+      || __builtin_stdc_trailing_zeros ((unsigned _BitInt(373)) 0) != 373
+      || !expr_has_type (__builtin_stdc_trailing_zeros ((unsigned _BitInt(373)) 0), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_zeros (~(unsigned _BitInt(512)) 0) != 0
+      || __builtin_stdc_trailing_zeros (~(unsigned _BitInt(373)) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_zeros ((unsigned _BitInt(512)) 256) != 8
+      || __builtin_stdc_trailing_zeros ((unsigned _BitInt(373)) 512) != 9)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_ones ((unsigned _BitInt(512)) 0) != 0
+      || !expr_has_type (__builtin_stdc_trailing_ones ((unsigned _BitInt(512)) 0), unsigned int)
+      || __builtin_stdc_trailing_ones ((unsigned _BitInt(373)) 0) != 0
+      || !expr_has_type (__builtin_stdc_trailing_ones ((unsigned _BitInt(373)) 0), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_ones (~(unsigned _BitInt(512)) 0) != 512
+      || __builtin_stdc_trailing_ones (~(unsigned _BitInt(373)) 0) != 373)
+    __builtin_abort ();
+  if (__builtin_stdc_trailing_ones ((unsigned _BitInt(512)) 255) != 8
+      || __builtin_stdc_trailing_ones ((~(unsigned _BitInt(373)) 0) >> 2) != 373 - 2)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_zero ((unsigned _BitInt(512)) 0) != 1
+      || !expr_has_type (__builtin_stdc_first_leading_zero ((unsigned _BitInt(512)) 0), unsigned int)
+      || __builtin_stdc_first_leading_zero ((unsigned _BitInt(373)) 0) != 1
+      || !expr_has_type (__builtin_stdc_first_leading_zero ((unsigned _BitInt(373)) 0), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_zero (~(unsigned _BitInt(512)) 0) != 0
+      || __builtin_stdc_first_leading_zero (~(unsigned _BitInt(373)) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_zero (~(unsigned _BitInt(512)) 511) != 512 - 8
+      || __builtin_stdc_first_leading_zero (~(unsigned _BitInt(373)) 1023) != 373 - 9)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_one ((unsigned _BitInt(512)) 0) != 0
+      || !expr_has_type (__builtin_stdc_first_leading_one ((unsigned _BitInt(512)) 0), unsigned int)
+      || __builtin_stdc_first_leading_one ((unsigned _BitInt(373)) 0) != 0
+      || !expr_has_type (__builtin_stdc_first_leading_one ((unsigned _BitInt(373)) 0), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_one (~(unsigned _BitInt(512)) 0) != 1
+      || __builtin_stdc_first_leading_one (~(unsigned _BitInt(373)) 0) != 1)
+    __builtin_abort ();
+  if (__builtin_stdc_first_leading_one ((unsigned _BitInt(512)) 275) != 512 - 8
+      || __builtin_stdc_first_leading_one ((unsigned _BitInt(373)) 512) != 373 - 9)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_zero ((unsigned _BitInt(512)) 0) != 1
+      || !expr_has_type (__builtin_stdc_first_trailing_zero ((unsigned _BitInt(512)) 0), unsigned int)
+      || __builtin_stdc_first_trailing_zero ((unsigned _BitInt(373)) 0) != 1
+      || !expr_has_type (__builtin_stdc_first_trailing_zero ((unsigned _BitInt(373)) 0), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_zero (~(unsigned _BitInt(512)) 0) != 0
+      || __builtin_stdc_first_trailing_zero (~(unsigned _BitInt(373)) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_zero ((unsigned _BitInt(512)) 255) != 9
+      || __builtin_stdc_first_trailing_zero ((unsigned _BitInt(373)) 511) != 10)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_one ((unsigned _BitInt(512)) 0) != 0
+      || !expr_has_type (__builtin_stdc_first_trailing_one ((unsigned _BitInt(512)) 0), unsigned int)
+      || __builtin_stdc_first_trailing_one ((unsigned _BitInt(373)) 0) != 0
+      || !expr_has_type (__builtin_stdc_first_trailing_one ((unsigned _BitInt(373)) 0), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_one (~(unsigned _BitInt(512)) 0) != 1
+      || __builtin_stdc_first_trailing_one (~(unsigned _BitInt(373)) 0) != 1)
+    __builtin_abort ();
+  if (__builtin_stdc_first_trailing_one (((unsigned _BitInt(512)) 255) << 175) != 176
+      || __builtin_stdc_first_trailing_one ((~(unsigned _BitInt(373)) 0) << 311) != 312)
+    __builtin_abort ();
+  if (__builtin_stdc_count_zeros ((unsigned _BitInt(512)) 0) != 512
+      || !expr_has_type (__builtin_stdc_count_zeros ((unsigned _BitInt(512)) 0), unsigned int)
+      || __builtin_stdc_count_zeros ((unsigned _BitInt(373)) 0) != 373
+      || !expr_has_type (__builtin_stdc_count_zeros ((unsigned _BitInt(373)) 0), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_count_zeros (~(unsigned _BitInt(512)) 0) != 0
+      || __builtin_stdc_count_zeros (~(unsigned _BitInt(373)) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_count_zeros ((unsigned _BitInt(512)) 1315) != 512 - 5
+      || __builtin_stdc_count_zeros ((unsigned _BitInt(373)) 3363) != 373 - 6)
+    __builtin_abort ();
+  if (__builtin_stdc_count_ones ((unsigned _BitInt(512)) 0) != 0
+      || !expr_has_type (__builtin_stdc_count_ones ((unsigned _BitInt(512)) 0), unsigned int)
+      || __builtin_stdc_count_ones ((unsigned _BitInt(373)) 0) != 0
+      || !expr_has_type (__builtin_stdc_count_ones ((unsigned _BitInt(373)) 0), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_count_ones (~(unsigned _BitInt(512)) 0) != 512
+      || __builtin_stdc_count_ones (~(unsigned _BitInt(373)) 0) != 373)
+    __builtin_abort ();
+  if (__builtin_stdc_count_ones (~(unsigned _BitInt(512)) 1315) != 512 - 5
+      || __builtin_stdc_count_ones (~(unsigned _BitInt(373)) 3363) != 373 - 6)
+    __builtin_abort ();
+  if (__builtin_stdc_has_single_bit ((unsigned _BitInt(512)) 0)
+      || !expr_has_type (__builtin_stdc_has_single_bit ((unsigned _BitInt(512)) 0), _Bool)
+      || __builtin_stdc_has_single_bit ((unsigned _BitInt(373)) 0)
+      || !expr_has_type (__builtin_stdc_has_single_bit ((unsigned _BitInt(373)) 0), _Bool))
+    __builtin_abort ();
+  if (__builtin_stdc_has_single_bit (~(unsigned _BitInt(512)) 0)
+      || __builtin_stdc_has_single_bit (~(unsigned _BitInt(373)) 0))
+    __builtin_abort ();
+  if (__builtin_stdc_has_single_bit (((unsigned _BitInt(512)) 1022) << 279)
+      || __builtin_stdc_has_single_bit (((unsigned _BitInt(373)) 12) << 305))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_width ((unsigned _BitInt(512)) 0) != 0
+      || !expr_has_type (__builtin_stdc_bit_width ((unsigned _BitInt(512)) 0), unsigned int)
+      || __builtin_stdc_bit_width ((unsigned _BitInt(373)) 0) != 0
+      || !expr_has_type (__builtin_stdc_bit_width ((unsigned _BitInt(373)) 0), unsigned int))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_width (~(unsigned _BitInt(512)) 0) != 512
+      || __builtin_stdc_bit_width (~(unsigned _BitInt(373)) 0) != 373)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_width (((unsigned _BitInt(512)) 1023) << 405) != 405 + 10
+      || __builtin_stdc_bit_width (((unsigned _BitInt(373)) 1024) << 242) != 242 + 11)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_floor ((unsigned _BitInt(512)) 0) != 0
+      || !expr_has_type (__builtin_stdc_bit_floor ((unsigned _BitInt(512)) 0), unsigned _BitInt(512))
+      || __builtin_stdc_bit_floor ((unsigned _BitInt(373)) 0) != 0
+      || !expr_has_type (__builtin_stdc_bit_floor ((unsigned _BitInt(373)) 0), unsigned _BitInt(373)))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_floor (~(unsigned _BitInt(512)) 0) != ((unsigned _BitInt(512)) 1) << (512 - 1)
+      || __builtin_stdc_bit_floor (~(unsigned _BitInt(373)) 0) != ((unsigned _BitInt(373)) 1) << (373 - 1))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_floor (((unsigned _BitInt(512)) 511) << 405) != (((unsigned _BitInt(512)) 256) << 405)
+      || __builtin_stdc_bit_floor (((unsigned _BitInt(373)) 512) << 242) != (((unsigned _BitInt(512)) 512) << 242))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil ((unsigned _BitInt(512)) 0) != 1
+      || !expr_has_type (__builtin_stdc_bit_ceil ((unsigned _BitInt(512)) 0), unsigned _BitInt(512))
+      || __builtin_stdc_bit_ceil ((unsigned _BitInt(373)) 0) != 1
+      || !expr_has_type (__builtin_stdc_bit_ceil ((unsigned _BitInt(373)) 0), unsigned _BitInt(373)))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil (~(unsigned _BitInt(512)) 0) != 0
+      || __builtin_stdc_bit_ceil (~(unsigned _BitInt(373)) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil (((unsigned _BitInt(512)) 1) << (512 - 1)) != ((unsigned _BitInt(512)) 1) << (512 - 1)
+      || __builtin_stdc_bit_ceil ((~(unsigned _BitInt(373)) 0) >> 1) != ((unsigned _BitInt(373)) 1) << (373 - 1))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil (((unsigned _BitInt(512)) 512) << 405) != (((unsigned _BitInt(512)) 512) << 405)
+      || __builtin_stdc_bit_ceil (((unsigned _BitInt(373)) 513) << 242) != (((unsigned _BitInt(512)) 1024) << 242))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_floor ((unsigned _BitInt(__BITINT_MAXWIDTH__)) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_floor (~(unsigned _BitInt(__BITINT_MAXWIDTH__)) 0) != ((unsigned _BitInt(__BITINT_MAXWIDTH__)) 1) << (__BITINT_MAXWIDTH__ - 1))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_floor (((unsigned _BitInt(__BITINT_MAXWIDTH__)) 511) << 405) != (((unsigned _BitInt(__BITINT_MAXWIDTH__)) 256) << 405)
+      || __builtin_stdc_bit_floor (((unsigned _BitInt(__BITINT_MAXWIDTH__)) 512) << 405) != (((unsigned _BitInt(__BITINT_MAXWIDTH__)) 512) << 405))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil ((unsigned _BitInt(__BITINT_MAXWIDTH__)) 0) != 1)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil (~(unsigned _BitInt(__BITINT_MAXWIDTH__)) 0) != 0)
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil (((unsigned _BitInt(__BITINT_MAXWIDTH__)) 1) << (__BITINT_MAXWIDTH__ - 1)) != ((unsigned _BitInt(__BITINT_MAXWIDTH__)) 1) << (__BITINT_MAXWIDTH__ - 1))
+    __builtin_abort ();
+  if (__builtin_stdc_bit_ceil (((unsigned _BitInt(__BITINT_MAXWIDTH__)) 512) << 405) != (((unsigned _BitInt(__BITINT_MAXWIDTH__)) 512) << 405)
+      || __builtin_stdc_bit_ceil (((unsigned _BitInt(__BITINT_MAXWIDTH__)) 513) << 405) != (((unsigned _BitInt(__BITINT_MAXWIDTH__)) 1024) << 405))
+    __builtin_abort ();
+#endif
+}
--- gcc/testsuite/gcc.dg/builtin-stdc-bit-2.c.jj	2023-11-20 11:18:55.758125897 +0100
+++ gcc/testsuite/gcc.dg/builtin-stdc-bit-2.c	2023-11-20 15:04:20.126724395 +0100
@@ -0,0 +1,150 @@
+/* { dg-do compile } */
+/* { dg-options "" } */
+
+void
+foo (void)
+{
+  typedef int V __attribute__ ((vector_size (4 * sizeof (int))));
+  struct S { int s; };
+  enum E { E0, E1 };
+  __builtin_stdc_leading_zeros (0.0f);	/* { dg-error "'__builtin_stdc_leading_zeros' operand not an integral type" } */
+  __builtin_stdc_leading_zeros (0.0);	/* { dg-error "'__builtin_stdc_leading_zeros' operand not an integral type" } */
+  __builtin_stdc_leading_zeros (0.0L);	/* { dg-error "'__builtin_stdc_leading_zeros' operand not an integral type" } */
+  __builtin_stdc_leading_zeros ((V) {});	/* { dg-error "'__builtin_stdc_leading_zeros' operand not an integral type" } */
+  __builtin_stdc_leading_zeros ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_leading_zeros' operand not an integral type" } */
+  __builtin_stdc_leading_zeros ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_leading_zeros'" } */
+  __builtin_stdc_leading_zeros (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_leading_zeros'" } */
+  __builtin_stdc_leading_zeros ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has boolean type" } */
+  __builtin_stdc_leading_zeros ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has enumerated type" } */
+  __builtin_stdc_leading_zeros (0);		/* { dg-error "argument 1 in call to function '__builtin_clzg' has signed type" } */
+  __builtin_stdc_leading_ones (0.0f);	/* { dg-error "'__builtin_stdc_leading_ones' operand not an integral type" } */
+  __builtin_stdc_leading_ones (0.0);	/* { dg-error "'__builtin_stdc_leading_ones' operand not an integral type" } */
+  __builtin_stdc_leading_ones (0.0L);	/* { dg-error "'__builtin_stdc_leading_ones' operand not an integral type" } */
+  __builtin_stdc_leading_ones ((V) {});	/* { dg-error "'__builtin_stdc_leading_ones' operand not an integral type" } */
+  __builtin_stdc_leading_ones ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_leading_ones' operand not an integral type" } */
+  __builtin_stdc_leading_ones ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_leading_ones'" } */
+  __builtin_stdc_leading_ones (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_leading_ones'" } */
+  __builtin_stdc_leading_ones ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has boolean type" } */
+  __builtin_stdc_leading_ones ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has enumerated type" } */
+  __builtin_stdc_leading_ones (0);		/* { dg-error "argument 1 in call to function '__builtin_clzg' has signed type" } */
+  __builtin_stdc_trailing_zeros (0.0f);	/* { dg-error "'__builtin_stdc_trailing_zeros' operand not an integral type" } */
+  __builtin_stdc_trailing_zeros (0.0);	/* { dg-error "'__builtin_stdc_trailing_zeros' operand not an integral type" } */
+  __builtin_stdc_trailing_zeros (0.0L);	/* { dg-error "'__builtin_stdc_trailing_zeros' operand not an integral type" } */
+  __builtin_stdc_trailing_zeros ((V) {});	/* { dg-error "'__builtin_stdc_trailing_zeros' operand not an integral type" } */
+  __builtin_stdc_trailing_zeros ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_trailing_zeros' operand not an integral type" } */
+  __builtin_stdc_trailing_zeros ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_trailing_zeros'" } */
+  __builtin_stdc_trailing_zeros (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_trailing_zeros'" } */
+  __builtin_stdc_trailing_zeros ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_ctzg' has boolean type" } */
+  __builtin_stdc_trailing_zeros ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_ctzg' has enumerated type" } */
+  __builtin_stdc_trailing_zeros (0);		/* { dg-error "argument 1 in call to function '__builtin_ctzg' has signed type" } */
+  __builtin_stdc_trailing_ones (0.0f);	/* { dg-error "'__builtin_stdc_trailing_ones' operand not an integral type" } */
+  __builtin_stdc_trailing_ones (0.0);	/* { dg-error "'__builtin_stdc_trailing_ones' operand not an integral type" } */
+  __builtin_stdc_trailing_ones (0.0L);	/* { dg-error "'__builtin_stdc_trailing_ones' operand not an integral type" } */
+  __builtin_stdc_trailing_ones ((V) {});	/* { dg-error "'__builtin_stdc_trailing_ones' operand not an integral type" } */
+  __builtin_stdc_trailing_ones ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_trailing_ones' operand not an integral type" } */
+  __builtin_stdc_trailing_ones ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_trailing_ones'" } */
+  __builtin_stdc_trailing_ones (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_trailing_ones'" } */
+  __builtin_stdc_trailing_ones ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_ctzg' has boolean type" } */
+  __builtin_stdc_trailing_ones ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_ctzg' has enumerated type" } */
+  __builtin_stdc_trailing_ones (0);		/* { dg-error "argument 1 in call to function '__builtin_ctzg' has signed type" } */
+  __builtin_stdc_first_leading_zero (0.0f);	/* { dg-error "'__builtin_stdc_first_leading_zero' operand not an integral type" } */
+  __builtin_stdc_first_leading_zero (0.0);	/* { dg-error "'__builtin_stdc_first_leading_zero' operand not an integral type" } */
+  __builtin_stdc_first_leading_zero (0.0L);	/* { dg-error "'__builtin_stdc_first_leading_zero' operand not an integral type" } */
+  __builtin_stdc_first_leading_zero ((V) {});	/* { dg-error "'__builtin_stdc_first_leading_zero' operand not an integral type" } */
+  __builtin_stdc_first_leading_zero ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_first_leading_zero' operand not an integral type" } */
+  __builtin_stdc_first_leading_zero ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_first_leading_zero'" } */
+  __builtin_stdc_first_leading_zero (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_first_leading_zero'" } */
+  __builtin_stdc_first_leading_zero ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has boolean type" } */
+  __builtin_stdc_first_leading_zero ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has enumerated type" } */
+  __builtin_stdc_first_leading_zero (0);		/* { dg-error "argument 1 in call to function '__builtin_clzg' has signed type" } */
+  __builtin_stdc_first_leading_one (0.0f);	/* { dg-error "'__builtin_stdc_first_leading_one' operand not an integral type" } */
+  __builtin_stdc_first_leading_one (0.0);	/* { dg-error "'__builtin_stdc_first_leading_one' operand not an integral type" } */
+  __builtin_stdc_first_leading_one (0.0L);	/* { dg-error "'__builtin_stdc_first_leading_one' operand not an integral type" } */
+  __builtin_stdc_first_leading_one ((V) {});	/* { dg-error "'__builtin_stdc_first_leading_one' operand not an integral type" } */
+  __builtin_stdc_first_leading_one ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_first_leading_one' operand not an integral type" } */
+  __builtin_stdc_first_leading_one ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_first_leading_one'" } */
+  __builtin_stdc_first_leading_one (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_first_leading_one'" } */
+  __builtin_stdc_first_leading_one ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has boolean type" } */
+  __builtin_stdc_first_leading_one ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has enumerated type" } */
+  __builtin_stdc_first_leading_one (0);		/* { dg-error "argument 1 in call to function '__builtin_clzg' has signed type" } */
+  __builtin_stdc_first_trailing_zero (0.0f);	/* { dg-error "'__builtin_stdc_first_trailing_zero' operand not an integral type" } */
+  __builtin_stdc_first_trailing_zero (0.0);	/* { dg-error "'__builtin_stdc_first_trailing_zero' operand not an integral type" } */
+  __builtin_stdc_first_trailing_zero (0.0L);	/* { dg-error "'__builtin_stdc_first_trailing_zero' operand not an integral type" } */
+  __builtin_stdc_first_trailing_zero ((V) {});	/* { dg-error "'__builtin_stdc_first_trailing_zero' operand not an integral type" } */
+  __builtin_stdc_first_trailing_zero ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_first_trailing_zero' operand not an integral type" } */
+  __builtin_stdc_first_trailing_zero ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_first_trailing_zero'" } */
+  __builtin_stdc_first_trailing_zero (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_first_trailing_zero'" } */
+  __builtin_stdc_first_trailing_zero ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_ctzg' has boolean type" } */
+  __builtin_stdc_first_trailing_zero ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_ctzg' has enumerated type" } */
+  __builtin_stdc_first_trailing_zero (0);		/* { dg-error "argument 1 in call to function '__builtin_ctzg' has signed type" } */
+  __builtin_stdc_first_trailing_one (0.0f);	/* { dg-error "'__builtin_stdc_first_trailing_one' operand not an integral type" } */
+  __builtin_stdc_first_trailing_one (0.0);	/* { dg-error "'__builtin_stdc_first_trailing_one' operand not an integral type" } */
+  __builtin_stdc_first_trailing_one (0.0L);	/* { dg-error "'__builtin_stdc_first_trailing_one' operand not an integral type" } */
+  __builtin_stdc_first_trailing_one ((V) {});	/* { dg-error "'__builtin_stdc_first_trailing_one' operand not an integral type" } */
+  __builtin_stdc_first_trailing_one ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_first_trailing_one' operand not an integral type" } */
+  __builtin_stdc_first_trailing_one ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_first_trailing_one'" } */
+  __builtin_stdc_first_trailing_one (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_first_trailing_one'" } */
+  __builtin_stdc_first_trailing_one ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_ctzg' has boolean type" } */
+  __builtin_stdc_first_trailing_one ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_ctzg' has enumerated type" } */
+  __builtin_stdc_first_trailing_one (0);		/* { dg-error "argument 1 in call to function '__builtin_ctzg' has signed type" } */
+  __builtin_stdc_count_zeros (0.0f);	/* { dg-error "'__builtin_stdc_count_zeros' operand not an integral type" } */
+  __builtin_stdc_count_zeros (0.0);	/* { dg-error "'__builtin_stdc_count_zeros' operand not an integral type" } */
+  __builtin_stdc_count_zeros (0.0L);	/* { dg-error "'__builtin_stdc_count_zeros' operand not an integral type" } */
+  __builtin_stdc_count_zeros ((V) {});	/* { dg-error "'__builtin_stdc_count_zeros' operand not an integral type" } */
+  __builtin_stdc_count_zeros ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_count_zeros' operand not an integral type" } */
+  __builtin_stdc_count_zeros ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_count_zeros'" } */
+  __builtin_stdc_count_zeros (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_count_zeros'" } */
+  __builtin_stdc_count_zeros ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_popcountg' has boolean type" } */
+  __builtin_stdc_count_zeros ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_popcountg' has enumerated type" } */
+  __builtin_stdc_count_zeros (0);		/* { dg-error "argument 1 in call to function '__builtin_popcountg' has signed type" } */
+  __builtin_stdc_count_ones (0.0f);	/* { dg-error "'__builtin_stdc_count_ones' operand not an integral type" } */
+  __builtin_stdc_count_ones (0.0);	/* { dg-error "'__builtin_stdc_count_ones' operand not an integral type" } */
+  __builtin_stdc_count_ones (0.0L);	/* { dg-error "'__builtin_stdc_count_ones' operand not an integral type" } */
+  __builtin_stdc_count_ones ((V) {});	/* { dg-error "'__builtin_stdc_count_ones' operand not an integral type" } */
+  __builtin_stdc_count_ones ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_count_ones' operand not an integral type" } */
+  __builtin_stdc_count_ones ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_count_ones'" } */
+  __builtin_stdc_count_ones (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_count_ones'" } */
+  __builtin_stdc_count_ones ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_popcountg' has boolean type" } */
+  __builtin_stdc_count_ones ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_popcountg' has enumerated type" } */
+  __builtin_stdc_count_ones (0);		/* { dg-error "argument 1 in call to function '__builtin_popcountg' has signed type" } */
+  __builtin_stdc_has_single_bit (0.0f);	/* { dg-error "'__builtin_stdc_has_single_bit' operand not an integral type" } */
+  __builtin_stdc_has_single_bit (0.0);	/* { dg-error "'__builtin_stdc_has_single_bit' operand not an integral type" } */
+  __builtin_stdc_has_single_bit (0.0L);	/* { dg-error "'__builtin_stdc_has_single_bit' operand not an integral type" } */
+  __builtin_stdc_has_single_bit ((V) {});	/* { dg-error "'__builtin_stdc_has_single_bit' operand not an integral type" } */
+  __builtin_stdc_has_single_bit ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_has_single_bit' operand not an integral type" } */
+  __builtin_stdc_has_single_bit ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_has_single_bit'" } */
+  __builtin_stdc_has_single_bit (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_has_single_bit'" } */
+  __builtin_stdc_has_single_bit ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_popcountg' has boolean type" } */
+  __builtin_stdc_has_single_bit ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_popcountg' has enumerated type" } */
+  __builtin_stdc_has_single_bit (0);		/* { dg-error "argument 1 in call to function '__builtin_popcountg' has signed type" } */
+  __builtin_stdc_bit_width (0.0f);	/* { dg-error "'__builtin_stdc_bit_width' operand not an integral type" } */
+  __builtin_stdc_bit_width (0.0);	/* { dg-error "'__builtin_stdc_bit_width' operand not an integral type" } */
+  __builtin_stdc_bit_width (0.0L);	/* { dg-error "'__builtin_stdc_bit_width' operand not an integral type" } */
+  __builtin_stdc_bit_width ((V) {});	/* { dg-error "'__builtin_stdc_bit_width' operand not an integral type" } */
+  __builtin_stdc_bit_width ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_bit_width' operand not an integral type" } */
+  __builtin_stdc_bit_width ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_bit_width'" } */
+  __builtin_stdc_bit_width (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_bit_width'" } */
+  __builtin_stdc_bit_width ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has boolean type" } */
+  __builtin_stdc_bit_width ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has enumerated type" } */
+  __builtin_stdc_bit_width (0);		/* { dg-error "argument 1 in call to function '__builtin_clzg' has signed type" } */
+  __builtin_stdc_bit_floor (0.0f);	/* { dg-error "'__builtin_stdc_bit_floor' operand not an integral type" } */
+  __builtin_stdc_bit_floor (0.0);	/* { dg-error "'__builtin_stdc_bit_floor' operand not an integral type" } */
+  __builtin_stdc_bit_floor (0.0L);	/* { dg-error "'__builtin_stdc_bit_floor' operand not an integral type" } */
+  __builtin_stdc_bit_floor ((V) {});	/* { dg-error "'__builtin_stdc_bit_floor' operand not an integral type" } */
+  __builtin_stdc_bit_floor ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_bit_floor' operand not an integral type" } */
+  __builtin_stdc_bit_floor ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_bit_floor'" } */
+  __builtin_stdc_bit_floor (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_bit_floor'" } */
+  __builtin_stdc_bit_floor ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has boolean type" } */
+  __builtin_stdc_bit_floor ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has enumerated type" } */
+  __builtin_stdc_bit_floor (0);		/* { dg-error "argument 1 in call to function '__builtin_clzg' has signed type" } */
+  __builtin_stdc_bit_ceil (0.0f);	/* { dg-error "'__builtin_stdc_bit_ceil' operand not an integral type" } */
+  __builtin_stdc_bit_ceil (0.0);	/* { dg-error "'__builtin_stdc_bit_ceil' operand not an integral type" } */
+  __builtin_stdc_bit_ceil (0.0L);	/* { dg-error "'__builtin_stdc_bit_ceil' operand not an integral type" } */
+  __builtin_stdc_bit_ceil ((V) {});	/* { dg-error "'__builtin_stdc_bit_ceil' operand not an integral type" } */
+  __builtin_stdc_bit_ceil ((struct S) { 0 });	/* { dg-error "'__builtin_stdc_bit_ceil' operand not an integral type" } */
+  __builtin_stdc_bit_ceil ();		/* { dg-error "wrong number of arguments to '__builtin_stdc_bit_ceil'" } */
+  __builtin_stdc_bit_ceil (0U, 0U);	/* { dg-error "wrong number of arguments to '__builtin_stdc_bit_ceil'" } */
+  __builtin_stdc_bit_ceil ((_Bool) 0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has boolean type" } */
+  __builtin_stdc_bit_ceil ((enum E) E0);	/* { dg-error "argument 1 in call to function '__builtin_clzg' has enumerated type" } */
+  __builtin_stdc_bit_ceil (0);		/* { dg-error "argument 1 in call to function '__builtin_clzg' has signed type" } */
+}


	Jakub


  reply	other threads:[~2023-11-21  8:22 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-18 19:42 Jakub Jelinek
2023-11-20 14:55 ` Joseph Myers
2023-11-20 15:03   ` Jakub Jelinek
2023-11-20 15:29     ` Jakub Jelinek [this message]
2023-11-21  8:24       ` Jakub Jelinek
2023-11-23  0:09       ` Joseph Myers
2023-11-23 10:05         ` Jakub Jelinek
2023-11-20 15:12   ` Jakub Jelinek
2023-11-21 23:35     ` Joseph Myers

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