aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/powerpc
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/powerpc')
-rw-r--r--sysdeps/powerpc/Makefile11
-rw-r--r--sysdeps/powerpc/fpu/s_isnan.c28
2 files changed, 26 insertions, 13 deletions
diff --git a/sysdeps/powerpc/Makefile b/sysdeps/powerpc/Makefile
index f2d3271925..f7ed25002a 100644
--- a/sysdeps/powerpc/Makefile
+++ b/sysdeps/powerpc/Makefile
@@ -1,3 +1,8 @@
+# We always want to use the new mnemonic syntax even if we are on a RS6000
+# machine.
++cflags += -mnew-mnemonics -Wa,-mppc -mpowerpc
+asm-CPPFLAGS += -Wa,-mppc
+
ifeq ($(subdir),math)
libm-support += fenv_const fe_nomask
endif
@@ -6,6 +11,10 @@ ifeq ($(subdir),gmon)
sysdep_routines += ppc-mcount
endif
+ifeq ($(subdir),misc)
+sysdep_routines += gprsave0 gprrest0 gprsave1 gprrest1
+endif
+
# On PPC, -fpic works until the GOT contains 2^15 bytes, and possibly
# more depending on how clever the linker is. Each GOT entry takes 4 bytes,
# so that's at least 8192 entries. Since libc only uses about 2000 entries,
@@ -15,6 +24,7 @@ pic-ccflag = -fpic
endif
ifeq ($(subdir),csu)
+ifneq ($(elf),no)
# The initfini generation code doesn't work in the presence of -fPIC, so
# we use -fpic instead which is much better.
CFLAGS-initfini.s = -g0 -fpic
@@ -24,6 +34,7 @@ CFLAGS-initfini.s = -g0 -fpic
CFLAGS-init.o = -G0
CFLAGS-gmon-start.o = -G0
endif
+endif
ifeq ($(subdir),string)
CFLAGS-memcmp.c += -Wno-uninitialized
diff --git a/sysdeps/powerpc/fpu/s_isnan.c b/sysdeps/powerpc/fpu/s_isnan.c
index 34019fdbdb..feea7e5c6e 100644
--- a/sysdeps/powerpc/fpu/s_isnan.c
+++ b/sysdeps/powerpc/fpu/s_isnan.c
@@ -1,22 +1,26 @@
/* Return 1 if argument is a NaN, else 0.
- Copyright (C) 1997 Free Software Foundation, Inc.
+ Copyright (C) 1997, 2000 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
-
+
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+/* Ugly kludge to avoid declarations. */
+#define __isnanf __Xisnanf
+#define isnanf Xisnanf
+
#include "math.h"
#include <fenv_libc.h>
@@ -31,16 +35,14 @@ int __isnan(double x)
return result;
}
weak_alias (__isnan, isnan)
+
/* It turns out that the 'double' version will also always work for
- single-precision. Use explicit assembler to stop gcc complaining
- that 'isnanf' takes a float parameter, not double. */
-asm ("\
- .globl __isnanf
- .globl isnanf
- .weak isnanf
- .set __isnanf,__isnan
- .set isnanf,__isnan
-");
+ single-precision. */
+#undef __isnanf
+#undef isnanf
+strong_alias (__isnan, __isnanf)
+weak_alias (__isnanf, isnanf)
+
#ifdef NO_LONG_DOUBLE
strong_alias (__isnan, __isnanl)
weak_alias (__isnan, isnanl)