Merge commit 'origin/master' into prelink

Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>

9 files changed, 124 insertions, 33 deletions

diff --git a/libm/Makefile.in b/libm/Makefile.in
index 6f66c5644..384365cac 100644
--- a/libm/Makefile.in
+++ b/libm/Makefile.in
@@ -34,19 +34,18 @@ libm_FULL_NAME := libm-$(VERSION).so
 libm_DIR:=$(top_srcdir)libm
 libm_OUT:=$(top_builddir)libm
 
-# Fix builds for powerpc as there are different cores in this 
-# section now.`
-ifeq ($(TARGET_ARCH)-$(CONFIG_E500),powerpc-y)
-libm_ARCH_DIR:=$(libm_DIR)/$(TARGET_ARCH)/e500
-libm_ARCH_OUT:=$(libm_OUT)/$(TARGET_ARCH)/e500
-else
 libm_ARCH_DIR:=$(libm_DIR)/$(TARGET_ARCH)
 libm_ARCH_OUT:=$(libm_OUT)/$(TARGET_ARCH)
+
+ifneq ($(TARGET_SUBARCH),)
+libm_SUBARCH_DIR:=$(libm_DIR)/$(TARGET_ARCH)/$(TARGET_SUBARCH)
+libm_SUBARCH_OUT:=$(libm_OUT)/$(TARGET_ARCH)/$(TARGET_SUBARCH)
 endif
 
 ifeq ($(UCLIBC_HAS_FPU),y)
 ifeq ($(DO_C99_MATH),y)
 -include $(libm_ARCH_DIR)/Makefile.arch
+-include $(libm_SUBARCH_DIR)/Makefile.arch
 endif
 endif
 
@@ -219,11 +218,8 @@ endif
 ifeq ($(UCLIBC_HAS_FPU),y)
 ifeq ($(DO_C99_MATH),y)
 ifneq ($(strip $(libm_ARCH_OBJS)),)
-ifeq ($(TARGET_ARCH)-$(CONFIG_E500),powerpc-y)
-CFLAGS-libm/$(TARGET_ARCH)/e500/ := $(CFLAGS-libm)
-else
 CFLAGS-libm/$(TARGET_ARCH)/ := $(CFLAGS-libm)
-endif
+CFLAGS-libm/$(TARGET_ARCH)/$(TARGET_SUBARCH)/ := $(CFLAGS-libm)
 
 # remove generic sources, if arch specific version is present
 ifneq ($(strip $(libm_ARCH_SRC)),)
diff --git a/libm/powerpc/classic/Makefile.arch b/libm/powerpc/classic/Makefile.arch
index 7c7600f80..53c6d2cac 100644
--- a/libm/powerpc/classic/Makefile.arch
+++ b/libm/powerpc/classic/Makefile.arch
@@ -5,8 +5,8 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-libm_ARCH_SRC:=$(wildcard $(libm_ARCH_DIR)/*.c)
-libm_ARCH_OBJ:=$(patsubst $(libm_ARCH_DIR)/%.c,$(libm_ARCH_OUT)/%.o,$(libm_ARCH_SRC))
+libm_ARCH_SRC:=$(wildcard $(libm_SUBARCH_DIR)/*.c)
+libm_ARCH_OBJ:=$(patsubst $(libm_SUBARCH_DIR)/%.c,$(libm_SUBARCH_OUT)/%.o,$(libm_ARCH_SRC))
 
 libm_ARCH_OBJS:=$(libm_ARCH_OBJ)
 
diff --git a/libm/powerpc/e500/Makefile.arch b/libm/powerpc/e500/Makefile.arch
index bec21caef..912ce7f10 100644
--- a/libm/powerpc/e500/Makefile.arch
+++ b/libm/powerpc/e500/Makefile.arch
@@ -5,5 +5,6 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
+libm_ARCH_fpu_DIR := $(libm_SUBARCH_DIR)/fpu
 -include $(libm_ARCH_fpu_DIR)/Makefile.arch
 
diff --git a/libm/sh/Makefile.arch b/libm/sh/Makefile.arch
deleted file mode 100644
index 6425b3ede..000000000
--- a/libm/sh/Makefile.arch
+++ /dev/null
@@ -1,21 +0,0 @@
-# Makefile for uClibc
-#
-# Copyright (c) 2007  STMicroelectronics Ltd
-#
-# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
-#
-
-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/sh/sh4/Makefile.arch b/libm/sh/sh4/Makefile.arch
new file mode 100644
index 000000000..e38e99c15
--- /dev/null
+++ b/libm/sh/sh4/Makefile.arch
@@ -0,0 +1,24 @@
+# Makefile for uClibc
+#
+# Copyright (c) 2007, 2010  STMicroelectronics Ltd
+#
+# Author(s): Carmelo Amoroso <carmelo.amoroso@st.com>
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+#
+
+ifeq ($(UCLIBC_HAS_FENV),y)
+libm_ARCH_CSRC:=$(wildcard $(libm_SUBARCH_DIR)/*.c)
+libm_ARCH_COBJ:=$(patsubst $(libm_SUBARCH_DIR)/%.c,$(libm_SUBARCH_OUT)/%.o,$(libm_ARCH_SRC))
+libm_ARCH_SSRC:=$(wildcard $(libm_SUBARCH_DIR)/*.S)
+libm_ARCH_SOBJ:=$(patsubst $(libm_SUBARCH_DIR)/%.S,$(libm_SUBARCH_OUT)/%.o,$(libm_ARCH_SSRC))
+endif
+
+libm_ARCH_OBJS:=$(libm_ARCH_COBJ) $(libm_ARCH_SOBJ)
+
+ifeq ($(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/sh/feholdexcpt.c b/libm/sh/sh4/feholdexcpt.c
index 70b51e8dd..70b51e8dd 100644
--- a/libm/sh/feholdexcpt.c
+++ b/libm/sh/sh4/feholdexcpt.c
diff --git a/libm/sh/fesetenv.c b/libm/sh/sh4/fesetenv.c
index c5cfc1d51..c5cfc1d51 100644
--- a/libm/sh/fesetenv.c
+++ b/libm/sh/sh4/fesetenv.c
diff --git a/libm/sh/sh4/s_lrintf.S b/libm/sh/sh4/s_lrintf.S
new file mode 100644
index 000000000..d8cec329c
--- /dev/null
+++ b/libm/sh/sh4/s_lrintf.S
@@ -0,0 +1,52 @@
+/* Round argument to nearest integer value. SH4 version.
+ * According to ISO/IEC 9899:1999. This version doesn't handle range error.
+ * If arg is not finite or if the result cannot be represented into a long,
+ * return an unspecified value. No exception raised.
+ *
+ * Copyright (C) 2010 STMicroelectronics Ltd.
+ *
+ * Author: Christian Bruel <christian.bruel@st.com>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sysdep.h>
+
+ENTRY(lrintf)
+	mov	#0,r0
+	sts	fpscr,r3
+	lds	r0,fpscr
+	flds	fr5,fpul
+	mov.l	LOCAL(mask),r1
+	sts	fpul,r2
+	and	r2,r1
+	mov.l	LOCAL(midway),r2
+	or	r1,r2
+	lds	r2,fpul
+	fsts	fpul,fr2
+	fadd	fr2,fr5
+	ftrc	fr5,fpul
+	sts	fpul,r0
+	float	fpul,fr2
+	fcmp/eq	fr5,fr2
+	bf/s	0f
+	mov	#1,r2
+	tst	r1,r1
+	and	r0,r2
+	movt	r1
+	shal	r1
+	tst	r2,r2
+	add	#-1,r1
+	bt	0f
+	sub	r1,r0
+0:
+	rts
+	lds	r3,fpscr
+
+	.align 2
+LOCAL(mask):
+	.long	0x80000000
+LOCAL(midway):
+	.long	1056964608
+
+END(lrintf)
diff --git a/libm/sh/sh4/s_lroundf.S b/libm/sh/sh4/s_lroundf.S
new file mode 100644
index 000000000..fda3a4b91
--- /dev/null
+++ b/libm/sh/sh4/s_lroundf.S
@@ -0,0 +1,39 @@
+/* Round argument toward 0. SH4 version.
+ * According to ISO/IEC 9899:1999. This version doesn't handle range error.
+ * If arg is not finite or if the result cannot be represented into a long,
+ * return an unspecified value. No exception raised.
+ *
+ * Copyright (C) 2010 STMicroelectronics Ltd.
+ *
+ * Author: Christian Bruel <christian.bruel@st.com>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sysdep.h>
+
+ENTRY(lroundf)
+	mov	#0,r0
+	sts	fpscr,r3
+	lds	r0,fpscr
+	flds	fr5,fpul
+	mov.l	LOCAL(mask),r1
+	sts	fpul,r2
+	and	r2,r1
+	mov.l	LOCAL(midway),r2
+	or	r1,r2
+	lds	r2,fpul
+	fsts	fpul,fr2
+	fadd	fr2,fr5
+	ftrc	fr5,fpul
+	sts	fpul,r0
+	rts
+	lds	r3,fpscr
+
+	.align 2
+LOCAL(mask):
+	.long	0x80000000
+LOCAL(midway):
+	.long	1056964608
+
+END(lroundf)