* 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.
+2008-03-03 Steven Munroe <sjmunroe@us.ibm.com>
+
+ * 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.
+
2008-02-22 Alan Modra <amodra@bigpond.net.au>
* elf/Makefile (tests): Substitute tests-vis-yes here.
* ARG_MAX is not anymore constant on Linux. Use sysconf(_SC_ARG_MAX).
Implemented by Ulrich Drepper.
+
+* Faster sqrt and sqrtf implemention for some PPC variants.
+ Implemented by Stephen Munroe.
\f
Version 2.7
char st1[8192];
__thread int thr;
+int somevar = -76;
+
void
cf (int i)
{
ucp.uc_link = NULL;
ucp.uc_stack.ss_sp = st1;
ucp.uc_stack.ss_size = sizeof st1;
- makecontext (&ucp, (void (*) (void)) cf, 1, -78);
+ makecontext (&ucp, (void (*) (void)) cf, 1, somevar - 2);
if (setcontext (&ucp) != 0)
{
puts ("setcontext failed");
--- /dev/null
+/* 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
+
--- /dev/null
+/* 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)
+
--- /dev/null
+/* 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 power6
+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
+
--- /dev/null
+/* isnanf(). 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 power6
+EALIGN (__isnanf, 4, 0)
+ stwu r1,-32(r1)
+ cfi_adjust_cfa_offset (32)
+ ori r1,r1,0
+ stfs fp1,24(r1) /* copy FPR to GPR */
+ ori r1,r1,0
+ lwz r4,24(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 (__isnan)
+
+hidden_def (__isnanf)
+weak_alias (__isnanf, isnanf)
+
--- /dev/null
+/* isnan(). PowerPC64 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)
+ CALL_MCOUNT 0
+ stfd fp1,-8(r1) /* copy FPR to GPR */
+ lis r0,0x7ff0
+ nop /* insure the following is in a different */
+ nop /* dispatch group */
+ ld r4,-8(r1)
+ sldi r0,r0,32 /* const long r0 0x7ff00000 00000000 */
+ clrldi r4,r4,1 /* x = fabs(x) */
+ cmpd cr7,r4,r0 /* if (fabs(x) <= inf) */
+ li r3,0 /* then return 0 */
+ blelr+ cr7
+ li r3,1 /* else return 1 */
+ blr
+ END (__isnan)
+
+hidden_def (__isnan)
+weak_alias (__isnan, isnan)
+
+/* It turns out that the 'double' version will also always work for
+ single-precision. */
+strong_alias (__isnan, __isnanf)
+hidden_def (__isnanf)
+weak_alias (__isnanf, isnanf)
+
+#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
+
--- /dev/null
+/* isnan(). PowerPC64 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 power6
+EALIGN (__isnan, 4, 0)
+ CALL_MCOUNT 0
+ stfd fp1,-8(r1) /* copy FPR to GPR */
+ ori r1,r1,0
+ ld r4,-8(r1)
+ lis r0,0x7ff0
+ sldi r0,r0,32 /* const long r0 0x7ff00000 00000000 */
+ clrldi r4,r4,1 /* x = fabs(x) */
+ cmpd cr7,r4,r0 /* if (fabs(x) <= inf) */
+ li r3,0 /* then return 0 */
+ blelr+ cr7
+ li r3,1 /* else return 1 */
+ blr
+ END (__isnan)
+
+hidden_def (__isnan)
+weak_alias (__isnan, isnan)
+
+/* It turns out that the 'double' version will also always work for
+ single-precision. */
+strong_alias (__isnan, __isnanf)
+hidden_def (__isnanf)
+weak_alias (__isnanf, isnanf)
+
+#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
+
projects / external / glibc.git / commitdiff