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* 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.
This commit is contained in:
Ulrich Drepper 2008-04-10 05:59:13 +00:00
parent 9fb11d4c6e
commit 3b32d8a259
9 changed files with 353 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
ChangeLog
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@ -1,3 +1,13 @@
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.

3
NEWS
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@ -34,6 +34,9 @@ Version 2.8
* 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.
Version 2.7

4
stdlib/tst-makecontext.c
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@ -25,6 +25,8 @@ ucontext_t ucp;
char st1[8192];
__thread int thr;
int somevar = -76;
void
cf (int i)
{
@ -54,7 +56,7 @@ do_test (void)
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");

62
sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S Normal file
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@ -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

46
sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S Normal file
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@ -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)

62
sysdeps/powerpc/powerpc32/power6/fpu/s_isnan.S Normal file
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@ -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 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

46
sysdeps/powerpc/powerpc32/power6/fpu/s_isnanf.S Normal file
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@ -0,0 +1,46 @@
/* 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)

61
sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S Normal file
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@ -0,0 +1,61 @@
/* 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

60
sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S Normal file
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@ -0,0 +1,60 @@
/* 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