diff options
Diffstat (limited to 'main/libc0.9.32/0001-libm-x86_64-implement-fesetround.patch')
-rw-r--r-- | main/libc0.9.32/0001-libm-x86_64-implement-fesetround.patch | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/main/libc0.9.32/0001-libm-x86_64-implement-fesetround.patch b/main/libc0.9.32/0001-libm-x86_64-implement-fesetround.patch deleted file mode 100644 index 84d6a2e08b..0000000000 --- a/main/libc0.9.32/0001-libm-x86_64-implement-fesetround.patch +++ /dev/null @@ -1,98 +0,0 @@ -From b58032ae6a34afc1887d9a6f3d05891d0d4fdbab Mon Sep 17 00:00:00 2001 -From: Natanael Copa <natanael.copa@gmail.com> -Date: Sun, 28 Nov 2010 12:43:33 +0000 -Subject: [PATCH] libm/x86_64: implement fesetround - -from glibc ---- - libm/x86_64/Makefile.arch | 24 +++++++++++++++++++++++ - libm/x86_64/fesetround.c | 46 +++++++++++++++++++++++++++++++++++++++++++++ - 2 files changed, 70 insertions(+), 0 deletions(-) - create mode 100644 libm/x86_64/Makefile.arch - create mode 100644 libm/x86_64/fesetround.c - -diff --git a/libm/x86_64/Makefile.arch b/libm/x86_64/Makefile.arch -new file mode 100644 -index 0000000..e1be961 ---- /dev/null -+++ b/libm/x86_64/Makefile.arch -@@ -0,0 +1,24 @@ -+# Makefile for uClibc -+# -+# Copyright (C) 2000-2008 Erik Andersen <andersen@uclibc.org> -+# -+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. -+# -+# The routines included in this math library are derived from -+# glibc's libm. -+# -+ -+ifeq ($(UCLIBC_HAS_FENV),y) -+libm_ARCH_SRC:=$(wildcard $(libm_ARCH_DIR)/*.c) -+libm_ARCH_OBJ:=$(patsubst $(libm_ARCH_DIR)/%.c,$(libm_ARCH_OUT)/%.o,$(libm_ARCH_SRC)) -+endif -+ -+libm_ARCH_OBJS:=$(libm_ARCH_OBJ) -+ -+ifeq ($(DOPIC),y) -+libm-a-y+=$(libm_ARCH_OBJS:.o=.os) -+else -+libm-a-y+=$(libm_ARCH_OBJS) -+endif -+libm-so-y+=$(libm_ARCH_OBJS:.o=.os) -+ -diff --git a/libm/x86_64/fesetround.c b/libm/x86_64/fesetround.c -new file mode 100644 -index 0000000..3d2ef4c ---- /dev/null -+++ b/libm/x86_64/fesetround.c -@@ -0,0 +1,46 @@ -+/* Set current rounding direction. -+ Copyright (C) 2001, 2005 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 <fenv.h> -+ -+int -+fesetround (int round) -+{ -+ unsigned short int cw; -+ int mxcsr; -+ -+ if ((round & ~0xc00) != 0) -+ /* ROUND is no valid rounding mode. */ -+ return 1; -+ -+ /* First set the x87 FPU. */ -+ __asm__ ("fnstcw %0" : "=m" (*&cw)); -+ cw &= ~0xc00; -+ cw |= round; -+ __asm__ ("fldcw %0" : : "m" (*&cw)); -+ -+ /* And now the MSCSR register for SSE, the precision is at different bit -+ positions in the different units, we need to shift it 3 bits. */ -+ __asm__ ("stmxcsr %0" : "=m" (*&mxcsr)); -+ mxcsr &= ~ 0x6000; -+ mxcsr |= round << 3; -+ __asm__ ("ldmxcsr %0" : : "m" (*&mxcsr)); -+ -+ return 0; -+} --- -1.7.3.2 - |