PR target/30652

	* builtins.c (expand_builtin_interclass_mathfn): Provide a generic
	transformation for builtin ISNORMAL.
	(expand_builtin): Handle BUILT_IN_ISNORMAL.
	* builtins.def (BUILT_IN_ISNORMAL): New.
	* doc/extend.texi: Document isnormal.

testsuite:
	* gcc.dg/pr28796-2.c: Add more cases.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126726 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 28 insertions, 9 deletions

diff --git a/gcc/testsuite/gcc.dg/pr28796-2.c b/gcc/testsuite/gcc.dg/pr28796-2.c
index 6f929a81fd6..c69a60e0c4a 100644
--- a/gcc/testsuite/gcc.dg/pr28796-2.c
+++ b/gcc/testsuite/gcc.dg/pr28796-2.c
@@ -6,7 +6,8 @@ extern void abort (void);
 
 void __attribute__ ((__noinline__))
 foo_1 (float f, double d, long double ld,
-       int res_unord, int res_isnan, int res_isinf, int res_isfin)
+       int res_unord, int res_isnan, int res_isinf,
+       int res_isfin, int res_isnorm)
 {
   if (__builtin_isunordered (f, 0) != res_unord)
     abort ();
@@ -43,6 +44,13 @@ foo_1 (float f, double d, long double ld,
   if (__builtin_isinfl (ld) != res_isinf)
     abort ();
 
+  if (__builtin_isnormal (f) != res_isnorm)
+    abort ();
+  if (__builtin_isnormal (d) != res_isnorm)
+    abort ();
+  if (__builtin_isnormal (ld) != res_isnorm)
+    abort ();
+
   if (__builtin_isfinite (f) != res_isfin)
     abort ();
   if (__builtin_isfinite (d) != res_isfin)
@@ -64,10 +72,12 @@ foo_1 (float f, double d, long double ld,
 
 void __attribute__ ((__noinline__))
 foo (float f, double d, long double ld,
-     int res_unord, int res_isnan, int res_isinf, int res_isfin)
+     int res_unord, int res_isnan, int res_isinf,
+     int res_isfin, int res_isnorm)
 {
-  foo_1 (f, d, ld, res_unord, res_isnan, res_isinf, res_isfin);
-  foo_1 (-f, -d, -ld, res_unord, res_isnan, res_isinf, res_isfin);
+  foo_1 (f, d, ld, res_unord, res_isnan, res_isinf, res_isfin, res_isnorm);
+  /* Try all values negative as well.  */
+  foo_1 (-f, -d, -ld, res_unord, res_isnan, res_isinf, res_isfin, res_isnorm);
 }
 
 int main()
@@ -77,19 +87,28 @@ int main()
   long double ld;
   
   f = __builtin_nanf(""); d = __builtin_nan(""); ld = __builtin_nanl("");
-  foo(f, d, ld, /*unord=*/ 1, /*isnan=*/ 1, /*isinf=*/ 0, /*isfin=*/ 0);
+  foo(f, d, ld, /*unord=*/ 1, /*isnan=*/ 1, /*isinf=*/ 0, /*isfin=*/ 0, /*isnorm=*/ 0);
 
   f = __builtin_inff(); d = __builtin_inf(); ld = __builtin_infl();
-  foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 1, /*isfin=*/ 0);
+  foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 1, /*isfin=*/ 0, /*isnorm=*/ 0);
 
   f = 0; d = 0; ld = 0;
-  foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1);
+  foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1, /*isnorm=*/ 0);
+
+  f = 1; d = 1; ld = 1;
+  foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1, /*isnorm=*/ 1);
 
   f = __FLT_MIN__; d = __DBL_MIN__; ld = __LDBL_MIN__;
-  foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1);
+  foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1, /*isnorm=*/ 1);
+
+  f = __FLT_MIN__/2; d = __DBL_MIN__/2; ld = __LDBL_MIN__/2;
+  foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1, /*isnorm=*/ 0);
 
   f = __FLT_MAX__; d = __DBL_MAX__; ld = __LDBL_MAX__;
-  foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1);
+  foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 0, /*isfin=*/ 1, /*isnorm=*/ 1);
+
+  f = __FLT_MAX__*2; d = __DBL_MAX__*2; ld = __LDBL_MAX__*2;
+  foo(f, d, ld, /*unord=*/ 0, /*isnan=*/ 0, /*isinf=*/ 1, /*isfin=*/ 0, /*isnorm=*/ 0);
 
   return 0;
 }