* sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S: New file.

	* sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S: New file.
	* sysdeps/powerpc/powerpc32/power6/fpu/s_isnan.S: New file.
	* sysdeps/powerpc/powerpc32/power6/fpu/s_isnanf.S: New file.
	* sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S: New file.
	* sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S: New file.
	* sysdeps/powerpc/powerpc64/power6x/fpu/s_isnan.S: New file.

2 files changed, 108 insertions, 0 deletions

diff --git a/sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S b/sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S
new file mode 100644
index 0000000000..91337483d7
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S
@@ -0,0 +1,62 @@
+/* isnan().  PowerPC32 version.
+   Copyright (C) 2008 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+
+/* int __isnan(x)  */
+	.machine power5
+EALIGN (__isnan, 4, 0)
+	stwu	r1,-32(r1)
+	cfi_adjust_cfa_offset (32)
+	ori	r1,r1,0
+	stfd	fp1,24(r1)	/* copy FPR to GPR */
+	ori	r1,r1,0
+	lwz	r4,24(r1)
+	lwz	r5,28(r1)
+	lis	r0,0x7ff0	/* const long r0 0x7ff00000 00000000 */
+	clrlwi	r4,r4,1		/* x = fabs(x) */
+	cmpw	cr7,r4,r0	/* if (fabs(x) =< inf) */
+	cmpwi	cr6,r5,0
+	li	r3,0		/* then return 0 */
+	addi	r1,r1,32
+	cfi_adjust_cfa_offset (-32)
+	bltlr+	cr7
+	bgt-	cr7,L(NaN)
+	beqlr+	cr6
+L(NaN):
+	li	r3,1		/* else return 1 */
+	blr
+	END (__isnan)
+
+hidden_def (__isnan)
+weak_alias (__isnan, isnan)
+
+#ifdef NO_LONG_DOUBLE
+strong_alias (__isnan, __isnanl)
+weak_alias (__isnan, isnanl)
+#endif
+
+#ifndef IS_IN_libm
+# if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
+compat_symbol (libc, __isnan, __isnanl, GLIBC_2_0);
+compat_symbol (libc, isnan, isnanl, GLIBC_2_0);
+# endif
+#endif
+
diff --git a/sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S b/sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S
new file mode 100644
index 0000000000..9b1e95f35f
--- /dev/null
+++ b/sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S
@@ -0,0 +1,46 @@
+/* isnan().  PowerPC32 version.
+   Copyright (C) 2008 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+
+/* int __isnanf(x)  */
+	.machine power5
+EALIGN (__isnanf, 4, 0)
+	stwu	r1,-32(r1)
+	cfi_adjust_cfa_offset (32)
+	stfs	fp1,28(r1)	/* copy FPR to GPR */
+	nop
+	nop
+	lwz	r4,28(r1)
+	lis	r0,0x7f80	/* const long r0 0x7f800000 */
+	clrlwi	r4,r4,1		/* x = fabs(x) */
+	cmpw	cr7,r4,r0	/* if (fabs(x) =< inf) */
+	li	r3,0		/* then return 0 */
+	addi	r1,r1,32
+	cfi_adjust_cfa_offset (-32)
+	blelr+	cr7
+L(NaN):
+	li	r3,1		/* else return 1 */
+	blr
+	END (__isnanf)
+
+hidden_def (__isnanf)
+weak_alias (__isnanf, isnanf)
+