+2004-05-06 Ulrich Drepper <drepper@redhat.com>
+
+ * math/tgmath.h (fabs): Use __TGMATH_UNARY_REAL_IMAG_RET_REAL.
+ (carg): Likewise.
+ Patch by Lev S Bishop <lev.bishop@yale.edu>.
+
+ * math/bug-tgmath1.c (main): Test fabs and carg as well.
+
+2004-05-06 Richard Henderson <rth@redhat.com>
+
+ * elf/elf.h (AT_L1I_CACHESHAPE, AT_L1D_CACHESHAPE,
+ AT_L2_CACHESHAPE, AT_L3_CACHESHAPE): New.
+ * sysdeps/unix/sysv/linux/alpha/Versions: Export
+ __libc_alpha_cache_shape as a private symbol.
+ * sysdeps/unix/sysv/linux/alpha/dl-sysdep.c: New file.
+ * sysdeps/unix/sysv/linux/alpha/sysconf.c: New file.
+
2004-05-06 Richard Henderson <rth@redhat.com>
* sysdeps/alpha/div_libc.h (_ITOFS, _ITOFT, _FTOIT, _ITOFT2): New.
- * sysdeps/alpha/divl.S, sysdeps/alpha/divq.S, sysdeps/alpha/divqu.S,
- sysdeps/alpha/reml.S, sysdeps/alpha/remq.S, sysdeps/alpha/remqu.S:
- Use them.
+ * sysdeps/alpha/divl.S: Use them.
+ * sysdeps/alpha/divq.S: Likewise.
+ * sysdeps/alpha/divqu.S: Likewise.
+ * sysdeps/alpha/reml.S: Likewise.
+ * sysdeps/alpha/remq.S: Likewise.
+ * sysdeps/alpha/remqu.S: Likewise.
2004-05-06 Ulrich Drepper <drepper@redhat.com>
TEST (cimag (1.0f), sizeof (float));
TEST (cimag (1.0f + 1.0fi), sizeof (float));
+ TEST (fabs (1.0), sizeof (double));
+ TEST (fabs (1.0 + 1.0i), sizeof (double));
+ TEST (fabs (1.0l), sizeof (long double));
+ TEST (fabs (1.0l + 1.0li), sizeof (long double));
+ TEST (fabs (1.0f), sizeof (float));
+ TEST (fabs (1.0f + 1.0fi), sizeof (float));
+
+ TEST (carg (1.0), sizeof (double));
+ TEST (carg (1.0 + 1.0i), sizeof (double));
+ TEST (carg (1.0l), sizeof (long double));
+ TEST (carg (1.0l + 1.0li), sizeof (long double));
+ TEST (carg (1.0f), sizeof (float));
+ TEST (carg (1.0f + 1.0fi), sizeof (float));
+
return retval;
}
#define ceil(Val) __TGMATH_UNARY_REAL_ONLY (Val, ceil)
/* Absolute value of X. */
-#define fabs(Val) __TGMATH_UNARY_REAL_IMAG (Val, fabs, cabs)
+#define fabs(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, fabs, cabs)
/* Largest integer not greater than X. */
#define floor(Val) __TGMATH_UNARY_REAL_ONLY (Val, floor)
/* Absolute value, conjugates, and projection. */
/* Argument value of Z. */
-#define carg(Val) __TGMATH_UNARY_REAL_IMAG (Val, carg, carg)
+#define carg(Val) __TGMATH_UNARY_REAL_IMAG_RET_REAL (Val, carg, carg)
/* Complex conjugate of Z. */
#define conj(Val) __TGMATH_UNARY_REAL_IMAG (Val, conj, conj)
#errlist-compat 132
_sys_errlist; sys_errlist; _sys_nerr; sys_nerr;
}
+ GLIBC_PRIVATE {
+ __libc_alpha_cache_shape;
+ }
+}
+ld {
+ GLIBC_PRIVATE {
+ __libc_alpha_cache_shape;
+ }
}
librt {
GLIBC_2.3 {
--- /dev/null
+/* Operating system support for run-time dynamic linker. Linux/PPC version.
+ Copyright (C) 1997, 1998, 2001, 2003 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 "config.h"
+#include "kernel-features.h"
+#include <ldsodefs.h>
+
+extern long __libc_alpha_cache_shape[4];
+weak_extern (__libc_alpha_cache_shape);
+
+
+/* Scan the Aux Vector for the cache shape entries. */
+#define DL_PLATFORM_AUXV \
+ case AT_L1I_CACHESHAPE: \
+ { \
+ long *cls = __libc_alpha_cache_shape; \
+ if (cls != NULL) \
+ cls[0] = av->a_un.a_val; \
+ break; \
+ } \
+ case AT_L1D_CACHESHAPE: \
+ { \
+ long *cls = __libc_alpha_cache_shape; \
+ if (cls != NULL) \
+ cls[1] = av->a_un.a_val; \
+ break; \
+ } \
+ case AT_L2_CACHESHAPE: \
+ { \
+ long *cls = __libc_alpha_cache_shape; \
+ if (cls != NULL) \
+ cls[2] = av->a_un.a_val; \
+ break; \
+ } \
+ case AT_L3_CACHESHAPE: \
+ { \
+ long *cls = __libc_alpha_cache_shape; \
+ if (cls != NULL) \
+ cls[3] = av->a_un.a_val; \
+ break; \
+ }
+
+#include <sysdeps/unix/sysv/linux/dl-sysdep.c>
--- /dev/null
+/* Copyright (C) 2004 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 <assert.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+
+static long int linux_sysconf (int name);
+
+#define CSHAPE(totalsize, linesize, assoc) \
+ ((totalsize & ~0xff) | (linesize << 4) | assoc)
+
+long __libc_alpha_cache_shape[4] = { -2, -2, -2, -2 };
+
+static inline unsigned long
+implver (void)
+{
+ unsigned long i;
+#if __GNUC_PREREQ(3,3)
+ i = __builtin_alpha_implver ();
+#else
+ asm ("implver %0" : "=r" (i));
+#endif
+ return i;
+}
+
+static inline unsigned long
+amask (unsigned long x)
+{
+ unsigned long r;
+#if __GNUC_PREREQ(3,3)
+ r = __builtin_alpha_amask (x);
+#else
+ asm ("amask %1,%0" : "=r"(r) : "Ir"(x));
+#endif
+ return r;
+}
+
+/* Get the value of the system variable NAME. */
+long int
+__sysconf (int name)
+{
+ long shape, index;
+
+ /* We only handle the cache information here (for now). */
+ if (name < _SC_LEVEL1_ICACHE_SIZE || name > _SC_LEVEL4_CACHE_LINESIZE)
+ return linux_sysconf (name);
+
+ /* No Alpha has L4 caches. */
+ if (name >= _SC_LEVEL4_CACHE_SIZE)
+ return -1;
+
+ index = (name - _SC_LEVEL1_ICACHE_SIZE) / 3;
+ shape = __libc_alpha_cache_shape[index];
+ if (shape == -2)
+ {
+ long shape_l1i, shape_l1d, shape_l2, shape_l3 = -1;
+
+ /* ??? In the cases below for which we do not know L1 cache sizes,
+ we could do timings to measure sizes. But for the Bcache, it's
+ generally big enough that (without additional help) TLB effects
+ get in the way. We'd either need to be able to allocate large
+ pages or have the kernel do the timings from KSEG. Fortunately,
+ kernels beginning with 2.6.5 will pass us this info in auxvec. */
+
+ switch (implver())
+ {
+ case 0: /* EV4 */
+ /* EV4/LCA45 had 8k L1 caches; EV45 had 16k L1 caches. */
+ /* EV4/EV45 had 128k to 16M 32-byte direct Bcache. LCA45
+ had 64k to 8M 8-byte direct Bcache. Can't tell. */
+ shape_l1i = shape_l1d = shape_l2 = CSHAPE (0, 5, 1);
+ break;
+
+ case 1: /* EV5 */
+ if (amask (1 << 8))
+ {
+ /* MAX insns not present; either EV5 or EV56. */
+ shape_l1i = shape_l1d = CSHAPE(8*1024, 5, 1);
+ /* ??? L2 and L3 *can* be configured as 32-byte line. */
+ shape_l2 = CSHAPE (96*1024, 6, 3);
+ /* EV5/EV56 has 1M to 16M Bcache. */
+ shape_l3 = CSHAPE (0, 6, 1);
+ }
+ else
+ {
+ /* MAX insns present; either PCA56 or PCA57. */
+ /* PCA56 had 16k 64-byte cache; PCA57 had 32k Icache. */
+ /* PCA56 had 8k 64-byte cache; PCA57 had 16k Dcache. */
+ /* PCA5[67] had 512k to 4M Bcache. */
+ shape_l1i = shape_l1d = shape_l2 = CSHAPE (0, 6, 1);
+ }
+ break;
+
+ case 2: /* EV6 */
+ shape_l1i = shape_l1d = CSHAPE(64*1024, 6, 2);
+ /* EV6/EV67/EV68* had 1M to 16M Bcache. */
+ shape_l2 = CSHAPE (0, 6, 1);
+ break;
+
+ case 3: /* EV7 */
+ shape_l1i = shape_l1d = CSHAPE(64*1024, 6, 2);
+ shape_l2 = CSHAPE(7*1024*1024/4, 6, 7);
+ break;
+
+ default:
+ shape_l1i = shape_l1d = shape_l2 = 0;
+ break;
+ }
+
+ __libc_alpha_cache_shape[0] = shape_l1i;
+ __libc_alpha_cache_shape[1] = shape_l1d;
+ __libc_alpha_cache_shape[2] = shape_l2;
+ __libc_alpha_cache_shape[3] = shape_l3;
+ shape = __libc_alpha_cache_shape[index];
+ }
+
+ if (shape <= 0)
+ return shape;
+
+ switch (name % 3)
+ {
+ case 0: /* total size */
+ return shape & -0x100;
+ case 1: /* associativity */
+ return shape & 0xf;
+ default: /* line size */
+ return 1L << ((shape >> 4) & 0xf);
+ }
+}
+
+/* Now the generic Linux version. */
+#undef __sysconf
+#define __sysconf static linux_sysconf
+#include "../sysconf.c"
git://sourceware.org / glibc.git / commitdiff