diff options
| -rw-r--r-- | ChangeLog | 10 | ||||
| -rw-r--r-- | NEWS | 3 | ||||
| -rw-r--r-- | stdlib/tst-makecontext.c | 4 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power5/fpu/s_isnan.S | 62 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power5/fpu/s_isnanf.S | 46 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power6/fpu/s_isnan.S | 62 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power6/fpu/s_isnanf.S | 46 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S | 61 | ||||
| -rw-r--r-- | sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S | 60 |
9 files changed, 353 insertions, 1 deletions
@@ -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. @@ -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 diff --git a/stdlib/tst-makecontext.c b/stdlib/tst-makecontext.c index eae5fc1..5fe66f6 100644 --- a/stdlib/tst-makecontext.c +++ b/stdlib/tst-makecontext.c @@ -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"); 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 0000000..9133748 --- /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 0000000..9b1e95f --- /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) + diff --git a/sysdeps/powerpc/powerpc32/power6/fpu/s_isnan.S b/sysdeps/powerpc/powerpc32/power6/fpu/s_isnan.S new file mode 100644 index 0000000..dbaaf1c --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power6/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 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 + diff --git a/sysdeps/powerpc/powerpc32/power6/fpu/s_isnanf.S b/sysdeps/powerpc/powerpc32/power6/fpu/s_isnanf.S new file mode 100644 index 0000000..12bf473 --- /dev/null +++ b/sysdeps/powerpc/powerpc32/power6/fpu/s_isnanf.S @@ -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) + diff --git a/sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S b/sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S new file mode 100644 index 0000000..d46d049 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/power5/fpu/s_isnan.S @@ -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 + diff --git a/sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S b/sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S new file mode 100644 index 0000000..fe0c56c --- /dev/null +++ b/sysdeps/powerpc/powerpc64/power6/fpu/s_isnan.S @@ -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 + |