+2014-02-27 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+
+ * sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile: Add finite power8
+ implementation.
+ * sysdeps/powerpc/powerpc64/fpu/multiarch/s_finite-power8.S: New file:
+ POWER8 finite ifunc implementation.
+ * sysdeps/powerpc/powerpc64/fpu/multiarch/s_finite.c (__finite): Add
+ POWER8 implementation.
+ * sysdeps/powerpc/powerpc64/fpu/multiarch/s_finitef.c (__finitef):
+ Likewise.
+ * sysdeps/powerpc/powerpc64/power8/fpu/s_finite.S: New file:
+ POWER8 finite implementation.
+ * sysdeps/powerpc/powerpc64/power8/fpu/s_finitef.S: New file.
+
2014-02-27 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/powerpc/powerpc64/fpu/multiarch/Makefile: Add isinf power8
s_finitef-ppc64 s_isinff-ppc64 s_isinf-power7 \
s_isinf-ppc64 s_modf-power5+ s_modf-ppc64 \
s_modff-power5+ s_modff-ppc64 s_isnan-power8 \
- s_isinf-power8
+ s_isinf-power8 s_finite-power8
libm-sysdep_routines += s_isnan-power7 s_isnan-power6x s_isnan-power6 \
s_isnan-power5 s_isnan-ppc64 s_llround-power6x \
s_logbl-ppc64 s_modf-power5+ s_modf-ppc64 \
s_modff-power5+ s_modff-ppc64 e_hypot-ppc64 \
e_hypot-power7 e_hypotf-ppc64 e_hypotf-power7 \
- s_isnan-power8 s_isinf-power8
+ s_isnan-power8 s_isinf-power8 s_finite-power8
CFLAGS-s_logbf-power7.c = -mcpu=power7
CFLAGS-s_logbl-power7.c = -mcpu=power7
--- /dev/null
+/* isnan(). PowerPC64/POWER7 version.
+ Copyright (C) 2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+
+#undef hidden_def
+#define hidden_def(name)
+#undef weak_alias
+#define weak_alias(name, alias)
+#undef strong_alias
+#define strong_alias(name, alias)
+#undef compat_symbol
+#define compat_symbol(lib, name, symbol, ver)
+
+#define __finite __finite_power8
+
+#include <sysdeps/powerpc/powerpc64/power8/fpu/s_finite.S>
extern __typeof (__finite) __finite_ppc64 attribute_hidden;
extern __typeof (__finite) __finite_power7 attribute_hidden;
+extern __typeof (__finite) __finite_power8 attribute_hidden;
libc_ifunc (__finite,
- (hwcap & PPC_FEATURE_ARCH_2_06)
- ? __finite_power7
+ (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+ ? __finite_power8 :
+ (hwcap & PPC_FEATURE_ARCH_2_06)
+ ? __finite_power7
: __finite_ppc64);
weak_alias (__finite, finite)
extern __typeof (__finitef) __finitef_ppc64 attribute_hidden;
/* The double-precision version also works for single-precision. */
extern __typeof (__finitef) __finite_power7 attribute_hidden;
+extern __typeof (__finitef) __finite_power8 attribute_hidden;
libc_ifunc (__finitef,
- (hwcap & PPC_FEATURE_ARCH_2_06)
- ? __finite_power7
+ (hwcap2 & PPC_FEATURE2_ARCH_2_07)
+ ? __finite_power8 :
+ (hwcap & PPC_FEATURE_ARCH_2_06)
+ ? __finite_power7
: __finitef_ppc64);
weak_alias (__finitef, finitef)
--- /dev/null
+/* isfinite(). PowerPC64/POWER8 version.
+ Copyright (C) 2014 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+#include <math_ldbl_opt.h>
+
+#define MFVSRD_R3_V1 .byte 0x7c,0x23,0x00,0x66 /* mfvsrd r3,vs1 */
+
+/* int [r3] __finite ([fp1] x) */
+
+EALIGN (__finite, 4, 0)
+ CALL_MCOUNT 0
+ MFVSRD_R3_V1
+ lis r9,0x8010
+ clrldi r3,r3,1 /* r3 = r3 & 0x8000000000000000 */
+ rldicr r9,r9,32,31 /* r9 = (r9 << 32) & 0xffffffff */
+ add r3,r3,r9
+ rldicl r3,r3,1,63
+ blr
+END (__finite)
+
+hidden_def (__finite)
+weak_alias (__finite, finite)
+
+/* It turns out that the 'double' version will also always work for
+ single-precision. */
+strong_alias (__finite, __finitef)
+hidden_def (__finitef)
+weak_alias (__finitef, finitef)
+
+#ifdef IS_IN_libm
+# if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)
+compat_symbol (libm, __finite, __finitel, GLIBC_2_0)
+compat_symbol (libm, finite, finitel, GLIBC_2_0)
+# endif
+#else
+# if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
+compat_symbol (libc, __finite, __finitel, GLIBC_2_0);
+compat_symbol (libc, finite, finitel, GLIBC_2_0);
+# endif
+#endif
--- /dev/null
+/* This function uses the same code as s_finite.S. */
projects / thirdparty / glibc.git / commitdiff
