* sysdeps/powerpc/Makefile (sysdep_routines): Don't build the fpr

save/restore functions here. 
(libm-support): Don't define these functions here. 
* sysdeps/powerpc/fpu/Makefile: Build the fpr save/restore 
functions here. 
* sysdeps/powerpc/fe_nomask.c: Move to... 
* sysdeps/powerpc/fpu/fe_nomask.c: ... here. 
* sysdeps/powerpc/fprrest.S: Move to... 
* sysdeps/powerpc/fpu/fprrest.S: ... here. 
* sysdeps/powerpc/fprsave.S: Move to... 
* sysdeps/powerpc/fpu/fprsave.S: ... here.
2001-12-06  Geoff Keating  <geoffk@redhat.com>

	* sysdeps/powerpc/Makefile (sysdep_routines): Don't build the fpr
	save/restore functions here.
	(libm-support): Don't define these functions here.
	* sysdeps/powerpc/fpu/Makefile: Build the fpr save/restore
	functions here.
	* sysdeps/powerpc/fe_nomask.c: Move to...
	* sysdeps/powerpc/fpu/fe_nomask.c: ... here.
	* sysdeps/powerpc/fprrest.S: Move to...
	* sysdeps/powerpc/fpu/fprrest.S: ... here.
	* sysdeps/powerpc/fprsave.S: Move to...
	* sysdeps/powerpc/fpu/fprsave.S: ... here.

4 files changed, 222 insertions, 0 deletions

diff --git a/sysdeps/powerpc/fpu/Makefile b/sysdeps/powerpc/fpu/Makefile
index bf2ed92e7b..391cf3caf9 100644
--- a/sysdeps/powerpc/fpu/Makefile
+++ b/sysdeps/powerpc/fpu/Makefile
@@ -1,3 +1,6 @@
 ifeq ($(subdir),math)
 libm-support += fenv_const fe_nomask t_sqrt
 endif
+ifeq ($(subdir),misc)
+sysdep_routines += fprsave fprrest
+endif
diff --git a/sysdeps/powerpc/fpu/fe_nomask.c b/sysdeps/powerpc/fpu/fe_nomask.c
new file mode 100644
index 0000000000..ba45d85709
--- /dev/null
+++ b/sysdeps/powerpc/fpu/fe_nomask.c
@@ -0,0 +1,32 @@
+/* Procedure definition for FE_NOMASK_ENV.
+   Copyright (C) 1997 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 <fenv.h>
+#include <errno.h>
+
+/* This is presently a stub, until it's decided how the kernels should
+   support this.  */
+
+const fenv_t *
+__fe_nomask_env(void)
+{
+  __set_errno (ENOSYS);
+  return FE_ENABLED_ENV;
+}
+stub_warning (__fe_nomask_env)
diff --git a/sysdeps/powerpc/fpu/fprrest.S b/sysdeps/powerpc/fpu/fprrest.S
new file mode 100644
index 0000000000..42317809eb
--- /dev/null
+++ b/sysdeps/powerpc/fpu/fprrest.S
@@ -0,0 +1,94 @@
+/* Copyright (C) 2000, 2001 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.  */
+
+/*
+    Floating Point Registers (FPRs) restore routine
+*/
+
+#include <sysdep.h>
+
+ENTRY(_restfpr_all)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf14)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_14)
+C_TEXT(_restf14):
+C_TEXT(_restfpr_14):	lfd	fp14,-144(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf15)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_15)
+C_TEXT(_restf15):
+C_TEXT(_restfpr_15):	lfd	fp15,-136(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf16)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_16)
+C_TEXT(_restf16):
+C_TEXT(_restfpr_16):	lfd	fp16,-128(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf17)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_17)
+C_TEXT(_restf17):
+C_TEXT(_restfpr_17):	lfd	fp17,-120(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf18)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_18)
+C_TEXT(_restf18):
+C_TEXT(_restfpr_18):	lfd	fp18,-112(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf19)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_19)
+C_TEXT(_restf19):
+C_TEXT(_restfpr_19):	lfd	fp19,-104(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf20)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_20)
+C_TEXT(_restf20):
+C_TEXT(_restfpr_20):	lfd	fp20,-96(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf21)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_21)
+C_TEXT(_restf21):
+C_TEXT(_restfpr_21):	lfd	fp21,-88(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf22)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_22)
+C_TEXT(_restf22):
+C_TEXT(_restfpr_22):	lfd	fp22,-80(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf23)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_23)
+C_TEXT(_restf23):
+C_TEXT(_restfpr_23):	lfd	fp23,-72(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf24)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_24)
+C_TEXT(_restf24):
+C_TEXT(_restfpr_24):	lfd	fp24,-64(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf25)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_25)
+C_TEXT(_restf25):
+C_TEXT(_restfpr_25):	lfd	fp25,-56(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf26)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_26)
+C_TEXT(_restf26):
+C_TEXT(_restfpr_26):	lfd	fp26,-48(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf27)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_27)
+C_TEXT(_restf27):
+C_TEXT(_restfpr_27):	lfd	fp27,-40(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf28)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_28)
+C_TEXT(_restf28):
+C_TEXT(_restfpr_28):	lfd	fp28,-32(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restf29)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_restfpr_29)
+C_TEXT(_restf29):
+C_TEXT(_restfpr_29):	lwz	r0,8(r1)	#get return address from frame
+			lfd	fp29,-24(r1)    #restore f29
+			mtlr	r0		#move return address to LR
+			lfd	fp30,-16(r1)	#restore f30
+			lfd	fp31,-8(r1)	#restore f31
+			blr			#return
diff --git a/sysdeps/powerpc/fpu/fprsave.S b/sysdeps/powerpc/fpu/fprsave.S
new file mode 100644
index 0000000000..d7bc1ab7dc
--- /dev/null
+++ b/sysdeps/powerpc/fpu/fprsave.S
@@ -0,0 +1,93 @@
+/* Copyright (C) 2000, 2001 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.  */
+
+/*
+    Floating Point Registers (FPRs) save routine
+*/
+
+#include <sysdep.h>
+
+ENTRY(_savefpr_all)
+                ASM_GLOBAL_DIRECTIVE C_TEXT(_savef14)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_14)
+C_TEXT(_savef14):
+C_TEXT(_savefpr_14):	stfd	fp14,-144(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef15)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_15)
+C_TEXT(_savef15):
+C_TEXT(_savefpr_15):	stfd	fp15,-136(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef16)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_16)
+C_TEXT(_savef16):
+C_TEXT(_savefpr_16):	stfd	fp16,-128(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef17)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_17)
+C_TEXT(_savef17):
+C_TEXT(_savefpr_17):	stfd	fp17,-120(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef18)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_18)
+C_TEXT(_savef18):
+C_TEXT(_savefpr_18):	stfd	fp18,-112(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef19)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_19)
+C_TEXT(_savef19):
+C_TEXT(_savefpr_19):	stfd	fp19,-104(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef20)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_20)
+C_TEXT(_savef20):
+C_TEXT(_savefpr_20):	stfd	fp20,-96(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef21)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_21)
+C_TEXT(_savef21):
+C_TEXT(_savefpr_21):	stfd	fp21,-88(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef22)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_22)
+C_TEXT(_savef22):
+C_TEXT(_savefpr_22):	stfd	fp22,-80(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef23)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_23)
+C_TEXT(_savef23):
+C_TEXT(_savefpr_23):	stfd	fp23,-72(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef24)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_24)
+C_TEXT(_savef24):
+C_TEXT(_savefpr_24):	stfd	fp24,-64(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef25)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_25)
+C_TEXT(_savef25):
+C_TEXT(_savefpr_25):	stfd	fp25,-56(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef26)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_26)
+C_TEXT(_savef26):
+C_TEXT(_savefpr_26):	stfd	fp26,-48(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef27)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_27)
+C_TEXT(_savef27):
+C_TEXT(_savefpr_27):	stfd	fp27,-40(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef28)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_28)
+C_TEXT(_savef28):
+C_TEXT(_savefpr_28):	stfd	fp28,-32(r1)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savef29)
+		ASM_GLOBAL_DIRECTIVE C_TEXT(_savefpr_29)
+C_TEXT(_savef29):
+C_TEXT(_savefpr_29):	stfd	fp29,-24(r1)	#save f29
+			stfd	fp30,-16(r1)	#save f30
+			stfd	fp31,-8(r1)	#save f31
+			stw	r0,8(r1)	#save LR in callers frame
+			blr			#return