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GNU C Library master sources branch, master, updated. glibc-2.14-218-g15c95c5

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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=15c95c5d1a6c5481258e9b1f36dfe12e15a56570

commit 15c95c5d1a6c5481258e9b1f36dfe12e15a56570
Author: David S. Miller <davem@davemloft.net>
Date:   Mon Sep 5 10:06:15 2011 -0700

    Fixes and optimizations for 32-bit sparc fabs*().

diff --git a/ChangeLog b/ChangeLog
index 411381e..0afcbc9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2011-09-05  David S. Miller  <davem@davemloft.net>
+
+	* sysdeps/sparc/sparc32/fpu/s_fabsf.S: Use first argument
+	stack slot, rather than the struct return pointer slot.
+	* sysdeps/sparc/sparc32/fpu/s_fabs.c: Delete.
+	* sysdeps/sparc/sparc32/fpu/s_fabs.S: New file.
+	* sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S: Likewise.
+	* sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/fpu/Implies: Likewise.
+
 2011-09-05  Ulrich Drepper  <drepper@gmail.com>
 
 	[BZ #13144]
diff --git a/sysdeps/sparc/sparc32/fpu/s_fabsf.S b/sysdeps/sparc/sparc32/fpu/s_fabs.S
similarity index 81%
copy from sysdeps/sparc/sparc32/fpu/s_fabsf.S
copy to sysdeps/sparc/sparc32/fpu/s_fabs.S
index e148724..425fab4 100644
--- a/sysdeps/sparc/sparc32/fpu/s_fabsf.S
+++ b/sysdeps/sparc/sparc32/fpu/s_fabs.S
@@ -1,7 +1,6 @@
 /* Float absolute value, sparc32 version.
-   Copyright (C) 2006 Free Software Foundation, Inc.
+   Copyright (C) 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2006.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -20,10 +19,11 @@
 
 #include <sysdep.h>
 
-ENTRY (__fabsf)
-	st	%o0, [%sp+64]
-	ld	[%sp+64], %f0
+ENTRY (__fabs)
+	st	%o0, [%sp+72]
+	st	%o1, [%sp+76]
+	ldd	[%sp+72], %f0
 	retl
 	 fabss	%f0, %f0
-END (__fabsf)
-weak_alias (__fabsf, fabsf)
+END (__fabs)
+weak_alias (__fabs, fabs)
diff --git a/sysdeps/sparc/sparc32/fpu/s_fabs.c b/sysdeps/sparc/sparc32/fpu/s_fabs.c
deleted file mode 100644
index b883e6e..0000000
--- a/sysdeps/sparc/sparc32/fpu/s_fabs.c
+++ /dev/null
@@ -1,11 +0,0 @@
-#include <math.h>
-#include <math_ldbl_opt.h>
-
-double __fabs (double x)
-{
-  return __builtin_fabs (x);
-}
-weak_alias (__fabs, fabs)
-#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
-compat_symbol (libm, __fabs, fabsl, GLIBC_2_0);
-#endif
diff --git a/sysdeps/sparc/sparc32/fpu/s_fabsf.S b/sysdeps/sparc/sparc32/fpu/s_fabsf.S
index e148724..b233c62 100644
--- a/sysdeps/sparc/sparc32/fpu/s_fabsf.S
+++ b/sysdeps/sparc/sparc32/fpu/s_fabsf.S
@@ -21,8 +21,8 @@
 #include <sysdep.h>
 
 ENTRY (__fabsf)
-	st	%o0, [%sp+64]
-	ld	[%sp+64], %f0
+	st	%o0, [%sp+68]
+	ld	[%sp+68], %f0
 	retl
 	 fabss	%f0, %f0
 END (__fabsf)
diff --git a/sysdeps/sparc/sparc32/fpu/s_fabsf.S b/sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S
similarity index 75%
copy from sysdeps/sparc/sparc32/fpu/s_fabsf.S
copy to sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S
index e148724..547840e 100644
--- a/sysdeps/sparc/sparc32/fpu/s_fabsf.S
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S
@@ -1,7 +1,6 @@
-/* Float absolute value, sparc32 version.
-   Copyright (C) 2006 Free Software Foundation, Inc.
+/* Float absolute value, sparc32+v9 version.
+   Copyright (C) 2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2006.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
@@ -20,10 +19,11 @@
 
 #include <sysdep.h>
 
-ENTRY (__fabsf)
-	st	%o0, [%sp+64]
-	ld	[%sp+64], %f0
+ENTRY (__fabs)
+	st	%o0, [%sp+72]
+	st	%o1, [%sp+76]
+	ldd	[%sp+72], %f0
 	retl
-	 fabss	%f0, %f0
-END (__fabsf)
-weak_alias (__fabsf, fabsf)
+	 fabsd	%f0, %f0
+END (__fabs)
+weak_alias (__fabs, fabs)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/fpu/Implies b/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/fpu/Implies
new file mode 100644
index 0000000..70568c5
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sparcv9/fpu/Implies
@@ -0,0 +1,3 @@
+# We must list this here to move it ahead of the ldbl-opt code.
+sparc/sparc32/sparcv9/fpu
+sparc/sparc32/fpu

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog                                          |    9 +++++++++
 sysdeps/sparc/sparc32/fpu/{s_fabsf.S => s_fabs.S}  |   14 +++++++-------
 sysdeps/sparc/sparc32/fpu/s_fabs.c                 |   11 -----------
 sysdeps/sparc/sparc32/fpu/s_fabsf.S                |    4 ++--
 .../sparc32/sparcv9/fpu/s_fabs.S}                  |   18 ++++++++++--------
 .../linux/sparc/sparc32/{ => sparcv9}/fpu/Implies  |    1 +
 6 files changed, 29 insertions(+), 28 deletions(-)
 copy sysdeps/sparc/sparc32/fpu/{s_fabsf.S => s_fabs.S} (81%)
 delete mode 100644 sysdeps/sparc/sparc32/fpu/s_fabs.c
 copy sysdeps/{x86_64/fpu/s_fabs.c => sparc/sparc32/sparcv9/fpu/s_fabs.S} (78%)
 copy sysdeps/unix/sysv/linux/sparc/sparc32/{ => sparcv9}/fpu/Implies (75%)


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