diff options
author | Ulrich Drepper <drepper@redhat.com> | 1999-10-31 23:32:56 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 1999-10-31 23:32:56 +0000 |
commit | 63ae7b6309964400c6289d9030c7d336a33b304f (patch) | |
tree | b4b63c3c08a2221de53048493b2c586a9aa79689 /sysdeps/alpha/fpu | |
parent | b4cbd37109d882aa052e7973684774eaa887071b (diff) | |
download | glibc-63ae7b6309964400c6289d9030c7d336a33b304f.zip glibc-63ae7b6309964400c6289d9030c7d336a33b304f.tar.gz glibc-63ae7b6309964400c6289d9030c7d336a33b304f.tar.bz2 |
Update.
* Versions.def (libm): Add GLIBC_2.1.3.
ISO C99 TR1 changes various fe* functions to return an error value.
* math/Versions [GLIBC_2.1.3]: Add feclearexcept, fegetexceptflag,
feraiseexcept, fesetexceptflag, fegetenv, fesetenv, and feupdateenv.
* sysdeps/alpha/fpu/fclrexcpt.c: Return value and add alias.
* sysdeps/alpha/fpu/fegetenv.c: Likewise.
* sysdeps/alpha/fpu/fesetenv.c: Likewise.
* sysdeps/alpha/fpu/feupdateenv.c: Likewise.
* sysdeps/alpha/fpu/fgetexcptflg.c: Likewise.
* sysdeps/alpha/fpu/fraiseexcpt.c: Likewise.
* sysdeps/alpha/fpu/fsetexcptflg.c: Likewise.
* sysdeps/arm/fpu/fclrexcpt.c: Likewise.
* sysdeps/arm/fpu/fegetenv.c: Likewise.
* sysdeps/arm/fpu/fesetenv.c: Likewise.
* sysdeps/arm/fpu/fraiseexcpt.c: Likewise.
* sysdeps/arm/fpu/fsetexcptflg.c: Likewise.
* sysdeps/generic/fclrexcpt.c: Likewise.
* sysdeps/generic/fegetenv.c: Likewise.
* sysdeps/generic/fesetenv.c: Likewise.
* sysdeps/generic/feupdateenv.c: Likewise.
* sysdeps/generic/fgetexcptflg.c: Likewise.
* sysdeps/generic/fraiseexcpt.c: Likewise.
* sysdeps/generic/fsetexcptflg.c: Likewise.
* sysdeps/i386/fpu/fclrexcpt.c: Likewise.
* sysdeps/i386/fpu/fegetenv.c: Likewise.
* sysdeps/i386/fpu/fesetenv.c: Likewise.
* sysdeps/i386/fpu/feupdateenv.c: Likewise.
* sysdeps/i386/fpu/fgetexcptflg.c: Likewise.
* sysdeps/i386/fpu/fraiseexcpt.c: Likewise.
* sysdeps/i386/fpu/fsetexcptflg.c: Likewise.
* sysdeps/m68k/fpu/fclrexcpt.c: Likewise.
* sysdeps/m68k/fpu/fegetenv.c: Likewise.
* sysdeps/m68k/fpu/fesetenv.c: Likewise.
* sysdeps/m68k/fpu/feupdateenv.c: Likewise.
* sysdeps/m68k/fpu/fgetexcptflg.c: Likewise.
* sysdeps/m68k/fpu/fraiseexcpt.c: Likewise.
* sysdeps/m68k/fpu/fsetexcptflg.c: Likewise.
* sysdeps/mips/fclrexcpt.c: Likewise.
* sysdeps/mips/fegetenv.c: Likewise.
* sysdeps/mips/fesetenv.c: Likewise.
* sysdeps/mips/feupdateenv.c: Likewise.
* sysdeps/mips/fgetexcptflg.c: Likewise.
* sysdeps/powerpc/fclrexcpt.c: Likewise.
* sysdeps/powerpc/fegetenv.c: Likewise.
* sysdeps/powerpc/fesetenv.c: Likewise.
* sysdeps/powerpc/feupdateenv.c: Likewise.
* sysdeps/powerpc/fgetexcptflg.c: Likewise.
* sysdeps/powerpc/fraiseexcpt.c: Likewise.
* sysdeps/powerpc/fsetexcptflg.c: Likewise.
* sysdeps/sparc/fpu/fclrexcpt.c: Likewise.
* sysdeps/sparc/fpu/fegetenv.c: Likewise.
* sysdeps/sparc/fpu/fesetenv.c: Likewise.
* sysdeps/sparc/fpu/feupdateenv.c: Likewise.
* sysdeps/sparc/fpu/fgetexcptflg.c: Likewise.
* sysdeps/sparc/fpu/fraiseexcpt.c: Likewise.
* sysdeps/sparc/fpu/fsetexcptflg.c: Likewise.
* math/fenv.h: Adjust prototypes.: Likewise.
* manual/arith.texi: Adjust documentation for these changes.
* manual/arith.texi: Document feraiseexcept.
* sysdeps/powerpc/fegetenv.c: Moved to...
* sysdeps/powerpc/fpu/fegetenv.c: ...here.
* sysdeps/powerpc/fegetround.c: Moved to...
* sysdeps/powerpc/fpu/fegetround.c: ...here.
* sysdeps/powerpc/feholdexcpt.c: Moved to...
* sysdeps/powerpc/fpu/feholdexcpt.c: ...here.
* sysdeps/powerpc/fesetenv.c: Moved to...
* sysdeps/powerpc/fpu/fesetenv.c: ...here.
* sysdeps/powerpc/fenv_libc.h: Moved to...
* sysdeps/powerpc/fpu/fenv_libc.h: ...here.
* sysdeps/powerpc/feupdateenv.c: Moved to...
* sysdeps/powerpc/fpu/feupdateenv.c: ...here.
* sysdeps/powerpc/fgetexcptflg.c: Moved to...
* sysdeps/powerpc/fpu/fgetexcptflg.c: ...here.
* sysdeps/powerpc/fraiseexcpt.c: Moved to...
* sysdeps/powerpc/fpu/fraiseexcpt.c: ...here.
* sysdeps/powerpc/fsetexcptflg.c: Moved to...
* sysdeps/powerpc/fpu/fsetexcptflg.c: ...here.
* sysdeps/powerpc/ftestexcept.c: Moved to...
* sysdeps/powerpc/fpu/ftestexcept.c: ...here.
* sysdeps/powerpc/fesetround.c: Moved to...
* sysdeps/powerpc/fpu/fesetround.c: ...here
* sysdeps/powerpc/fenv_const.c: Moved to...
* sysdeps/powerpc/fpu/fenv_const.c: ...here.
1999-10-29 Jakub Jelinek <jakub@redhat.com>
* stdlib/longlong.h: Avoid UDIV_TIME redefinition.
* sysdeps/sparc/sparc32/dl-machine.h: Fix loading of SPARC v8plus
libraries from statically linked programs.
* sysdeps/unix/sysv/linux/sparc/bits/sigaction.h: POSIX 199309
fix for sigaction on SPARC.
Patches by David S. Miller <davem@redhat.com>.
* sysdeps/unix/sysv/linux/sparc/sys/ucontext.h: Declare
gregset_t and other required structures and defines for SPARC 64bit
ABI as well, not only 32bit ABI.
1999-10-31 Andreas Jaeger <aj@suse.de>
* sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Replace __USE_ISOC9X
by __USE_ISOC99 and update comments.
* math/complex.h: Update comments for ISO C99.
* math/fenv.h: Likewise.
* math/test-fenv.c: Likewise.
* math/tgmath.h: Likewise.
* libio/stdio.h: Likewise.
* posix/sys/types.h: Likewise.
* sysdeps/generic/inttypes.h: Likewise.
* sysdeps/generic/stdint.h: Likewise.
1999-10-31 Ulrich Drepper <drepper@cygnus.com>
Diffstat (limited to 'sysdeps/alpha/fpu')
-rw-r--r-- | sysdeps/alpha/fpu/fclrexcpt.c | 20 | ||||
-rw-r--r-- | sysdeps/alpha/fpu/fegetenv.c | 19 | ||||
-rw-r--r-- | sysdeps/alpha/fpu/fesetenv.c | 24 | ||||
-rw-r--r-- | sysdeps/alpha/fpu/feupdateenv.c | 20 | ||||
-rw-r--r-- | sysdeps/alpha/fpu/fgetexcptflg.c | 14 | ||||
-rw-r--r-- | sysdeps/alpha/fpu/fraiseexcpt.c | 47 | ||||
-rw-r--r-- | sysdeps/alpha/fpu/fsetexcptflg.c | 18 |
7 files changed, 98 insertions, 64 deletions
diff --git a/sysdeps/alpha/fpu/fclrexcpt.c b/sysdeps/alpha/fpu/fclrexcpt.c index 7aa79af..2e76995 100644 --- a/sysdeps/alpha/fpu/fclrexcpt.c +++ b/sysdeps/alpha/fpu/fclrexcpt.c @@ -1,5 +1,5 @@ /* Clear given exceptions in current floating-point environment. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>, 1997. @@ -20,17 +20,23 @@ #include <fenv.h> -void -feclearexcept (int excepts) +int +__feclearexcept (int excepts) { - unsigned long swcr; + unsigned long int swcr; /* Get the current state. */ - swcr = __ieee_get_fp_control(); + swcr = __ieee_get_fp_control (); /* Clear the relevant bits. */ - swcr &= ~((unsigned long)excepts & FE_ALL_EXCEPT); + swcr &= ~((unsigned long int) excepts & FE_ALL_EXCEPT); /* Put the new state in effect. */ - __ieee_set_fp_control(swcr); + __ieee_set_fp_control (swcr); + + /* Success. */ + return 0; } +strong_alias (__feclearexcept, __old_feclearexcept) +symbol_version (__old_feclearexcept, feclearexcept, GLIBC_2.1); +default_symbol_version (__feclearexcept, feclearexcept, GLIBC_2.1.3); diff --git a/sysdeps/alpha/fpu/fegetenv.c b/sysdeps/alpha/fpu/fegetenv.c index c8b705d..63dc7ff 100644 --- a/sysdeps/alpha/fpu/fegetenv.c +++ b/sysdeps/alpha/fpu/fegetenv.c @@ -1,5 +1,5 @@ /* Store current floating-point environment. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>, 1997 @@ -20,18 +20,25 @@ #include <fenv.h> -void -fegetenv (fenv_t *envp) +int +__fegetenv (fenv_t *envp) { - unsigned long fpcr, swcr; + unsigned long int fpcr; + unsigned long int swcr; /* Get status from software and hardware. Note that we don't need an excb because the callsys is an implied trap barrier. */ - swcr = __ieee_get_fp_control(); - __asm__ __volatile__("mf_fpcr %0" : "=f"(fpcr)); + swcr = __ieee_get_fp_control (); + __asm__ __volatile__ ("mf_fpcr %0" : "=f" (fpcr)); /* Merge the two bits of information. The magic number at the end is the exception enable mask. */ *envp = (fpcr & (3UL << 58)) | (swcr & (FE_ALL_EXCEPT | 0x3e)); + + /* Success. */ + return 0; } +strong_alias (__fegetenv, __old_fegetenv) +symbol_version (__old_fegetenv, fegetenv, GLIBC_2.1); +default_symbol_version (__fegetenv, fegetenv, GLIBC_2.1.3); diff --git a/sysdeps/alpha/fpu/fesetenv.c b/sysdeps/alpha/fpu/fesetenv.c index 3692967..9a38778 100644 --- a/sysdeps/alpha/fpu/fesetenv.c +++ b/sysdeps/alpha/fpu/fesetenv.c @@ -1,5 +1,5 @@ /* Install given floating-point environment. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>, 1997 @@ -20,26 +20,32 @@ #include <fenv.h> -void -fesetenv (const fenv_t *envp) +int +__fesetenv (const fenv_t *envp) { - unsigned long fpcr; + unsigned long int fpcr; fenv_t env; /* Magic encoding of default values: high bit set (never possible for a user-space address) is not indirect. And we don't even have to get rid of it since we mask things around just below. */ - if ((long)envp >= 0) + if ((long int) envp >= 0) env = *envp; else - env = (unsigned long)envp; + env = (unsigned long int) envp; /* Reset the rounding mode with the hardware fpcr. Note that the following system call is an implied trap barrier for our modification. */ - __asm__ __volatile__("excb; mf_fpcr %0" : "=f"(fpcr)); + __asm__ __volatile__ ("excb; mf_fpcr %0" : "=f" (fpcr)); fpcr = (fpcr & ~(3UL << 58)) | (env & (3UL << 58)); - __asm__ __volatile__("mt_fpcr %0" : : "f"(fpcr)); + __asm__ __volatile__ ("mt_fpcr %0" : : "f" (fpcr)); /* Reset the exception status and mask with the kernel's FP code. */ - __ieee_set_fp_control(env & (FE_ALL_EXCEPT | 0x3e)); + __ieee_set_fp_control (env & (FE_ALL_EXCEPT | 0x3e)); + + /* Success. */ + return 0; } +strong_alias (__fesetenv, __old_fesetenv) +symbol_version (__old_fesetenv, fesetenv, GLIBC_2.1); +default_symbol_version (__fesetenv, fesetenv, GLIBC_2.1.3); diff --git a/sysdeps/alpha/fpu/feupdateenv.c b/sysdeps/alpha/fpu/feupdateenv.c index 816575a..bd6a979 100644 --- a/sysdeps/alpha/fpu/feupdateenv.c +++ b/sysdeps/alpha/fpu/feupdateenv.c @@ -1,5 +1,5 @@ /* Install given floating-point environment and raise exceptions. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>, 1997. @@ -20,19 +20,25 @@ #include <fenv.h> -void -feupdateenv (const fenv_t *envp) +int +__feupdateenv (const fenv_t *envp) { - unsigned long tmp; + unsigned long int tmp; /* Get the current exception state. */ - tmp = __ieee_get_fp_control(); + tmp = __ieee_get_fp_control (); /* Install new environment. */ - fesetenv(envp); + fesetenv (envp); /* Raise the saved exception. Incidently for us the implementation defined format of the values in objects of type fexcept_t is the same as the ones specified using the FE_* constants. */ - feraiseexcept((int)tmp & FE_ALL_EXCEPT); + feraiseexcept ((int) tmp & FE_ALL_EXCEPT); + + /* Success. */ + return 0; } +strong_alias (__feupdateenv, __old_feupdateenv) +symbol_version (__old_feupdateenv, feupdateenv, GLIBC_2.1); +default_symbol_version (__feupdateenv, feupdateenv, GLIBC_2.1.3); diff --git a/sysdeps/alpha/fpu/fgetexcptflg.c b/sysdeps/alpha/fpu/fgetexcptflg.c index 28d9e12..2811d02 100644 --- a/sysdeps/alpha/fpu/fgetexcptflg.c +++ b/sysdeps/alpha/fpu/fgetexcptflg.c @@ -1,5 +1,5 @@ /* Store current representation for exceptions. - Copyright (C) 1997 Free Software Foundation, Inc. + Copyright (C) 1997, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>, 1997. @@ -20,14 +20,20 @@ #include <fenv.h> -void -fegetexceptflag (fexcept_t *flagp, int excepts) +int +__fegetexceptflag (fexcept_t *flagp, int excepts) { - unsigned long tmp; + unsigned long int tmp; /* Get the current state. */ tmp = __ieee_get_fp_control(); /* Return that portion that corresponds to the requested exceptions. */ *flagp = tmp & excepts & FE_ALL_EXCEPT; + + /* Success. */ + return 0; } +strong_alias (__fegetexceptflag, __old_fegetexceptflag) +symbol_version (__old_fegetexceptflag, fegetexceptflag, GLIBC_2.1); +default_symbol_version (__fegetexceptflag, fegetexceptflag, GLIBC_2.1.3); diff --git a/sysdeps/alpha/fpu/fraiseexcpt.c b/sysdeps/alpha/fpu/fraiseexcpt.c index 9b61ddb..bcbc06b 100644 --- a/sysdeps/alpha/fpu/fraiseexcpt.c +++ b/sysdeps/alpha/fpu/fraiseexcpt.c @@ -1,5 +1,5 @@ /* Raise given exceptions. - Copyright (C) 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>, 1997. @@ -22,9 +22,10 @@ #include <math.h> void -feraiseexcept (int excepts) +__feraiseexcept (int excepts) { - double tmp, dummy; + double tmp; + double dummy; /* Raise exceptions represented by EXPECTS. But we must raise only one signal at a time. It is important the if the overflow/underflow @@ -36,38 +37,34 @@ feraiseexcept (int excepts) /* First: invalid exception. */ if (FE_INVALID & excepts) - { - /* One example of a invalid operation is 0 * Infinity. */ - __asm__ __volatile__("mult/sui $f31,%1,%0; trapb" - : "=&f"(tmp) : "f"(HUGE_VAL)); - } + /* One example of a invalid operation is 0 * Infinity. */ + __asm__ __volatile__("mult/sui $f31,%1,%0; trapb" + : "=&f" (tmp) : "f" (HUGE_VAL)); /* Next: division by zero. */ if (FE_DIVBYZERO & excepts) - { - __asm__ __volatile__("cmpteq $f31,$f31,%1; divt/sui %1,$f31,%0; trapb" - : "=&f"(tmp), "=f"(dummy)); - } + __asm__ __volatile__("cmpteq $f31,$f31,%1; divt/sui %1,$f31,%0; trapb" + : "=&f" (tmp), "=f" (dummy)); /* Next: overflow. */ if (FE_OVERFLOW & excepts) - { - __asm__ __volatile__("mult/sui %1,%1,%0; trapb" - : "=&f"(tmp) : "f"(DBL_MAX)); - } + __asm__ __volatile__("mult/sui %1,%1,%0; trapb" + : "=&f" (tmp) : "f" (DBL_MAX)); /* Next: underflow. */ if (FE_UNDERFLOW & excepts) - { - __asm__ __volatile__("divt/sui %1,%2,%0; trapb" - : "=&f"(tmp) : "f"(DBL_MIN), - "f"((double) (1UL << 60))); - } + __asm__ __volatile__("divt/sui %1,%2,%0; trapb" + : "=&f" (tmp) : "f" (DBL_MIN), + "f" ((double) (1UL << 60))); /* Last: inexact. */ if (FE_INEXACT & excepts) - { - __asm__ __volatile__("divt/sui %1,%2,%0; trapb" - : "=&f"(tmp) : "f"(1.0), "f"(M_PI)); - } + __asm__ __volatile__("divt/sui %1,%2,%0; trapb" + : "=&f" (tmp) : "f" (1.0), "f" (M_PI)); + + /* Success. */ + return 0; } +strong_alias (__feraiseexcept, __old_feraiseexcept) +symbol_version (__old_feraiseexcept, feraiseexcept, GLIBC_2.1); +default_symbol_version (__feraiseexcept, feraiseexcept, GLIBC_2.1.3); diff --git a/sysdeps/alpha/fpu/fsetexcptflg.c b/sysdeps/alpha/fpu/fsetexcptflg.c index 5764a6e..eeb987e 100644 --- a/sysdeps/alpha/fpu/fsetexcptflg.c +++ b/sysdeps/alpha/fpu/fsetexcptflg.c @@ -1,5 +1,5 @@ /* Set floating-point environment exception handling. - Copyright (C) 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Richard Henderson <rth@tamu.edu>, 1997. @@ -20,17 +20,23 @@ #include <fenv.h> -void -fesetexceptflag (const fexcept_t *flagp, int excepts) +int +__fesetexceptflag (const fexcept_t *flagp, int excepts) { - unsigned long tmp; + unsigned long int tmp; /* Get the current exception state. */ - tmp = __ieee_get_fp_control(); + tmp = __ieee_get_fp_control (); /* Set all the bits that were called for. */ tmp = (tmp & ~FE_ALL_EXCEPT) | (*flagp & excepts & FE_ALL_EXCEPT); /* And store it back. */ - __ieee_set_fp_control(tmp); + __ieee_set_fp_control (tmp); + + /* Success. */ + return 0; } +strong_alias (__fesetexceptflag, __old_fesetexceptflag) +symbol_version (__old_fesetexceptflag, fesetexceptflag, GLIBC_2.1); +default_symbol_version (__fesetexceptflag, fesetexceptflag, GLIBC_2.1.3); |