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-rw-r--r--gcc/ChangeLog10
-rw-r--r--gcc/builtins.c24
-rw-r--r--gcc/builtins.def1
-rw-r--r--gcc/doc/extend.texi5
-rw-r--r--gcc/testsuite/ChangeLog4
-rw-r--r--gcc/testsuite/gcc.dg/pr28796-2.c37
6 files changed, 70 insertions, 11 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3bd353f..24b7c2e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -2,6 +2,16 @@
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.
+
+2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR target/30652
+
* builtins.c (expand_builtin_interclass_mathfn): Allow for missing
optabs infrastructure. Provide generic implementation for
FINITE/ISFINITE.
diff --git a/gcc/builtins.c b/gcc/builtins.c
index b96cfb2..d0e5db9 100644
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -2230,6 +2230,7 @@ expand_builtin_interclass_mathfn (tree exp, rtx target, rtx subtarget)
errno_set = true; builtin_optab = ilogb_optab; break;
CASE_FLT_FN (BUILT_IN_ISINF):
builtin_optab = isinf_optab; break;
+ case BUILT_IN_ISNORMAL:
case BUILT_IN_ISFINITE:
CASE_FLT_FN (BUILT_IN_FINITE):
/* These builtins have no optabs (yet). */
@@ -2316,6 +2317,28 @@ expand_builtin_interclass_mathfn (tree exp, rtx target, rtx subtarget)
build_real (type, r));
return expand_expr (result, target, VOIDmode, EXPAND_NORMAL);
}
+ case BUILT_IN_ISNORMAL:
+ {
+ /* isnormal(x) -> isgreaterequal(fabs(x),DBL_MIN) &
+ islessequal(fabs(x),DBL_MAX). */
+ tree const isle_fn = built_in_decls[BUILT_IN_ISLESSEQUAL];
+ tree const isge_fn = built_in_decls[BUILT_IN_ISGREATEREQUAL];
+ tree const type = TREE_TYPE (arg);
+ REAL_VALUE_TYPE rmax, rmin;
+ char buf[128];
+
+ get_max_float (REAL_MODE_FORMAT (mode), buf, sizeof (buf));
+ real_from_string (&rmax, buf);
+ sprintf (buf, "0x1p%d", REAL_MODE_FORMAT (mode)->emin - 1);
+ real_from_string (&rmin, buf);
+ arg = builtin_save_expr (fold_build1 (ABS_EXPR, type, arg));
+ result = build_call_expr (isle_fn, 2, arg,
+ build_real (type, rmax));
+ result = fold_build2 (BIT_AND_EXPR, integer_type_node, result,
+ build_call_expr (isge_fn, 2, arg,
+ build_real (type, rmin)));
+ return expand_expr (result, target, VOIDmode, EXPAND_NORMAL);
+ }
default:
break;
}
@@ -6173,6 +6196,7 @@ expand_builtin (tree exp, rtx target, rtx subtarget, enum machine_mode mode,
CASE_FLT_FN (BUILT_IN_ISINF):
CASE_FLT_FN (BUILT_IN_FINITE):
case BUILT_IN_ISFINITE:
+ case BUILT_IN_ISNORMAL:
target = expand_builtin_interclass_mathfn (exp, target, subtarget);
if (target)
return target;
diff --git a/gcc/builtins.def b/gcc/builtins.def
index 8f5f4f2..2f23d87 100644
--- a/gcc/builtins.def
+++ b/gcc/builtins.def
@@ -667,6 +667,7 @@ DEF_EXT_LIB_BUILTIN (BUILT_IN_ISNANL, "isnanl", BT_FN_INT_LONGDOUBLE, ATTR_CO
DEF_EXT_LIB_BUILTIN (BUILT_IN_ISNAND32, "isnand32", BT_FN_INT_DFLOAT32, ATTR_CONST_NOTHROW_LIST)
DEF_EXT_LIB_BUILTIN (BUILT_IN_ISNAND64, "isnand64", BT_FN_INT_DFLOAT64, ATTR_CONST_NOTHROW_LIST)
DEF_EXT_LIB_BUILTIN (BUILT_IN_ISNAND128, "isnand128", BT_FN_INT_DFLOAT128, ATTR_CONST_NOTHROW_LIST)
+DEF_GCC_BUILTIN (BUILT_IN_ISNORMAL, "isnormal", BT_FN_INT_VAR, ATTR_CONST_NOTHROW_TYPEGENERIC)
DEF_GCC_BUILTIN (BUILT_IN_ISGREATER, "isgreater", BT_FN_INT_VAR, ATTR_CONST_NOTHROW_TYPEGENERIC)
DEF_GCC_BUILTIN (BUILT_IN_ISGREATEREQUAL, "isgreaterequal", BT_FN_INT_VAR, ATTR_CONST_NOTHROW_TYPEGENERIC)
DEF_GCC_BUILTIN (BUILT_IN_ISLESS, "isless", BT_FN_INT_VAR, ATTR_CONST_NOTHROW_TYPEGENERIC)
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index c974d52..5c74b84 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -5438,6 +5438,7 @@ should be called and the @var{flag} argument passed to it.
@section Other built-in functions provided by GCC
@cindex built-in functions
@findex __builtin_isfinite
+@findex __builtin_isnormal
@findex __builtin_isgreater
@findex __builtin_isgreaterequal
@findex __builtin_isless
@@ -5966,8 +5967,8 @@ the same names as the standard macros ( @code{isgreater},
@code{islessgreater}, and @code{isunordered}) , with @code{__builtin_}
prefixed. We intend for a library implementor to be able to simply
@code{#define} each standard macro to its built-in equivalent.
-In the same fashion, GCC provides an @code{isfinite} built-in used
-with @code{__builtin_} prefixed.
+In the same fashion, GCC provides @code{isfinite} and @code{isnormal}
+built-ins used with @code{__builtin_} prefixed.
@deftypefn {Built-in Function} int __builtin_types_compatible_p (@var{type1}, @var{type2})
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 64a5d01..ab18376 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,9 @@
2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+ * gcc.dg/pr28796-2.c: Add more cases.
+
+2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
* gcc.dg/pr28796-1.c: Add more cases.
* gcc.dg/pr28796-2.c: Likewise.
diff --git a/gcc/testsuite/gcc.dg/pr28796-2.c b/gcc/testsuite/gcc.dg/pr28796-2.c
index 6f929a8..c69a60e 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;
}
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