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GNU C Library master sources branch, roland/arm-hwcap-vfp, created. glibc-2.16-ports-merge-146-g7ff6b6a
- From: roland at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 8 Aug 2012 20:11:08 -0000
- Subject: GNU C Library master sources branch, roland/arm-hwcap-vfp, created. glibc-2.16-ports-merge-146-g7ff6b6a
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The branch, roland/arm-hwcap-vfp has been created
at 7ff6b6a9e25392ecf58ce0892f6c4d756cc02007 (commit)
- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=7ff6b6a9e25392ecf58ce0892f6c4d756cc02007
commit 7ff6b6a9e25392ecf58ce0892f6c4d756cc02007
Author: Roland McGrath <roland@hack.frob.com>
Date: Wed Aug 8 11:33:36 2012 -0700
Don't check HWCAP_ARM_VFP in OS-generic code. Presume VFP if compiled with __VFP_FP__ defined.
diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
index 842bbea..31b2f3c 100644
--- a/ports/ChangeLog.arm
+++ b/ports/ChangeLog.arm
@@ -1,3 +1,24 @@
+2012-08-08 Roland McGrath <roland@hack.frob.com>
+
+ * sysdeps/arm/sysdep.h [__VFP_FP__] (ARM_HAVE_VFP): New macro.
+ * sysdeps/unix/sysv/linux/arm/sysdep.h
+ [!__VFP_FP__ && !__ASSEMBLER__] (ARM_HAVE_VFP): New macro.
+ * sysdeps/arm/fclrexcpt.c: Use ARM_HAVE_VFP instead of hwcap bits.
+ * sysdeps/arm/fedisblxcpt.c: Likewise.
+ * sysdeps/arm/feenablxcpt.c: Likewise.
+ * sysdeps/arm/fegetenv.c: Likewise.
+ * sysdeps/arm/fegetexcept.c: Likewise.
+ * sysdeps/arm/fegetround.c: Likewise.
+ * sysdeps/arm/feholdexcpt.c: Likewise.
+ * sysdeps/arm/fesetenv.c: Likewise.
+ * sysdeps/arm/fesetround.c: Likewise.
+ * sysdeps/arm/feupdateenv.c: Likewise.
+ * sysdeps/arm/fgetexcptflg.c: Likewise.
+ * sysdeps/arm/fraiseexcpt.c: Likewise.
+ * sysdeps/arm/fsetexcptflg.c: Likewise.
+ * sysdeps/arm/ftestexcept.c: Likewise.
+ * sysdeps/arm/setfpucw.c: Likewise.
+
2012-08-07 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/arm/configure.in (arch_minimum_kernel):
diff --git a/ports/sysdeps/arm/fclrexcpt.c b/ports/sysdeps/arm/fclrexcpt.c
index ddedc35..a78d411 100644
--- a/ports/sysdeps/arm/fclrexcpt.c
+++ b/ports/sysdeps/arm/fclrexcpt.c
@@ -1,5 +1,5 @@
/* Clear given exceptions in current floating-point environment.
- Copyright (C) 1997,98,99,2000,01,05,11 Free Software Foundation, Inc.
+ Copyright (C) 1997-2012 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
@@ -19,15 +19,12 @@
#include <fenv.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
__feclearexcept (int excepts)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
unsigned long int temp;
diff --git a/ports/sysdeps/arm/fedisblxcpt.c b/ports/sysdeps/arm/fedisblxcpt.c
index c9c62a4..9231b67 100644
--- a/ports/sysdeps/arm/fedisblxcpt.c
+++ b/ports/sysdeps/arm/fedisblxcpt.c
@@ -1,5 +1,5 @@
/* Disable floating-point exceptions.
- Copyright (C) 2001, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2001-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>, 2001.
@@ -20,15 +20,12 @@
#include <fenv.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
fedisableexcept (int excepts)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
unsigned long int new_exc, old_exc;
diff --git a/ports/sysdeps/arm/feenablxcpt.c b/ports/sysdeps/arm/feenablxcpt.c
index 3b2b934..6e9a952 100644
--- a/ports/sysdeps/arm/feenablxcpt.c
+++ b/ports/sysdeps/arm/feenablxcpt.c
@@ -1,5 +1,5 @@
/* Enable floating-point exceptions.
- Copyright (C) 2001, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2001-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>, 2001.
@@ -20,15 +20,12 @@
#include <fenv.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
feenableexcept (int excepts)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
unsigned long int new_exc, old_exc;
diff --git a/ports/sysdeps/arm/fegetenv.c b/ports/sysdeps/arm/fegetenv.c
index c638635..a5bbca5 100644
--- a/ports/sysdeps/arm/fegetenv.c
+++ b/ports/sysdeps/arm/fegetenv.c
@@ -1,5 +1,5 @@
/* Store current floating-point environment.
- Copyright (C) 1997,98,99,2000,01,05,10 Free Software Foundation, Inc.
+ Copyright (C) 1997-2012 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
@@ -19,15 +19,12 @@
#include <fenv.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
__fegetenv (fenv_t *envp)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
unsigned long int temp;
_FPU_GETCW (temp);
diff --git a/ports/sysdeps/arm/fegetexcept.c b/ports/sysdeps/arm/fegetexcept.c
index 929d6c5..fc07de7 100644
--- a/ports/sysdeps/arm/fegetexcept.c
+++ b/ports/sysdeps/arm/fegetexcept.c
@@ -1,5 +1,5 @@
/* Get floating-point exceptions.
- Copyright (C) 2001, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2001-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>, 2001
@@ -20,15 +20,12 @@
#include <fenv.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
fegetexcept (void)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
unsigned long temp;
diff --git a/ports/sysdeps/arm/fegetround.c b/ports/sysdeps/arm/fegetround.c
index df10497..1c8832a 100644
--- a/ports/sysdeps/arm/fegetround.c
+++ b/ports/sysdeps/arm/fegetround.c
@@ -1,5 +1,5 @@
/* Return current rounding direction.
- Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2004-2012 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
@@ -19,15 +19,12 @@
#include <fenv.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
fegetround (void)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
unsigned int temp;
diff --git a/ports/sysdeps/arm/feholdexcpt.c b/ports/sysdeps/arm/feholdexcpt.c
index 4aed48b..46e8c0f 100644
--- a/ports/sysdeps/arm/feholdexcpt.c
+++ b/ports/sysdeps/arm/feholdexcpt.c
@@ -1,5 +1,5 @@
/* Store current floating-point environment and clear exceptions.
- Copyright (C) 1997, 1998, 1999, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1997-2012 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
@@ -19,15 +19,12 @@
#include <fenv.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
feholdexcept (fenv_t *envp)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
unsigned long int temp;
diff --git a/ports/sysdeps/arm/fesetenv.c b/ports/sysdeps/arm/fesetenv.c
index 6137032..76bd0e9 100644
--- a/ports/sysdeps/arm/fesetenv.c
+++ b/ports/sysdeps/arm/fesetenv.c
@@ -1,5 +1,5 @@
/* Install given floating-point environment.
- Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2004-2012 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
@@ -19,15 +19,12 @@
#include <fenv.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
__fesetenv (const fenv_t *envp)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
unsigned int temp;
diff --git a/ports/sysdeps/arm/fesetround.c b/ports/sysdeps/arm/fesetround.c
index 997bd98..6659456 100644
--- a/ports/sysdeps/arm/fesetround.c
+++ b/ports/sysdeps/arm/fesetround.c
@@ -1,5 +1,5 @@
/* Set current rounding direction.
- Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+ Copyright (C) 2004-2012 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
@@ -19,15 +19,12 @@
#include <fenv.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
fesetround (int round)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
fpu_control_t temp;
diff --git a/ports/sysdeps/arm/feupdateenv.c b/ports/sysdeps/arm/feupdateenv.c
index 98f2654..45f064b 100644
--- a/ports/sysdeps/arm/feupdateenv.c
+++ b/ports/sysdeps/arm/feupdateenv.c
@@ -1,5 +1,5 @@
/* Install given floating-point environment and raise exceptions.
- Copyright (C) 1997, 1999, 2000, 2008, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1997-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -20,15 +20,12 @@
#include <fenv.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
__feupdateenv (const fenv_t *envp)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
unsigned int temp;
diff --git a/ports/sysdeps/arm/fgetexcptflg.c b/ports/sysdeps/arm/fgetexcptflg.c
index 41661a2..4e1b74e 100644
--- a/ports/sysdeps/arm/fgetexcptflg.c
+++ b/ports/sysdeps/arm/fgetexcptflg.c
@@ -1,5 +1,5 @@
/* Store current representation for exceptions.
- Copyright (C) 1997, 1999, 2000, 2008 Free Software Foundation, Inc.
+ Copyright (C) 1997-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -20,15 +20,12 @@
#include <fenv.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
__fegetexceptflag (fexcept_t *flagp, int excepts)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
unsigned long temp;
diff --git a/ports/sysdeps/arm/fraiseexcpt.c b/ports/sysdeps/arm/fraiseexcpt.c
index 0a43688..7cfffb6 100644
--- a/ports/sysdeps/arm/fraiseexcpt.c
+++ b/ports/sysdeps/arm/fraiseexcpt.c
@@ -1,5 +1,5 @@
/* Raise given exceptions.
- Copyright (C) 2004, 2005, 2011 Free Software Foundation, Inc.
+ Copyright (C) 2004-2012 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
@@ -20,15 +20,12 @@
#include <fenv.h>
#include <float.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
feraiseexcept (int excepts)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
int fpscr;
const float fp_zero = 0.0, fp_one = 1.0, fp_max = FLT_MAX,
diff --git a/ports/sysdeps/arm/fsetexcptflg.c b/ports/sysdeps/arm/fsetexcptflg.c
index bee51a9..ff31bf4 100644
--- a/ports/sysdeps/arm/fsetexcptflg.c
+++ b/ports/sysdeps/arm/fsetexcptflg.c
@@ -1,5 +1,5 @@
/* Set floating-point environment exception handling.
- Copyright (C) 1997,98,99,2000,01,05,08,11 Free Software Foundation, Inc.
+ Copyright (C) 1997-2012 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
@@ -20,15 +20,12 @@
#include <math.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
__fesetexceptflag (const fexcept_t *flagp, int excepts)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
fexcept_t temp;
diff --git a/ports/sysdeps/arm/ftestexcept.c b/ports/sysdeps/arm/ftestexcept.c
index 06817d2..f4b20a0 100644
--- a/ports/sysdeps/arm/ftestexcept.c
+++ b/ports/sysdeps/arm/ftestexcept.c
@@ -1,5 +1,5 @@
/* Test exception in current environment.
- Copyright (C) 1997, 1998, 2005, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1997-2012 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
@@ -19,15 +19,12 @@
#include <fenv.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
int
fetestexcept (int excepts)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
fexcept_t temp;
diff --git a/ports/sysdeps/arm/setfpucw.c b/ports/sysdeps/arm/setfpucw.c
index d0cea32..6aa8509 100644
--- a/ports/sysdeps/arm/setfpucw.c
+++ b/ports/sysdeps/arm/setfpucw.c
@@ -1,5 +1,5 @@
/* Set the FPU control word.
- Copyright (C) 1996, 1997, 1999, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1996-2012 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
@@ -19,15 +19,12 @@
#include <math.h>
#include <fpu_control.h>
-#include <unistd.h>
-#include <ldsodefs.h>
-#include <dl-procinfo.h>
#include <sysdep.h>
void
__setfpucw (fpu_control_t set)
{
- if (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+ if (ARM_HAVE_VFP)
{
fpu_control_t cw;
diff --git a/ports/sysdeps/arm/sysdep.h b/ports/sysdeps/arm/sysdep.h
index 6ec2bd6..cad7b9c 100644
--- a/ports/sysdeps/arm/sysdep.h
+++ b/ports/sysdeps/arm/sysdep.h
@@ -25,6 +25,16 @@
# define __USE_BX__
#endif
+/* If we don't define it here, the OS-specific sysdep.h file should define
+ ARM_HAVE_VFP to an appropriate expression for testing at runtime whether
+ the VFP hardware is present. */
+#ifdef __VFP_FP__
+/* The compiler is generating VFP instructions, so we're already
+ assuming the hardware exists. */
+# undef ARM_HAVE_VFP
+# define ARM_HAVE_VFP 1
+#endif
+
#ifdef __ASSEMBLER__
/* Syntactic details of assembler. */
diff --git a/ports/sysdeps/unix/sysv/linux/arm/sysdep.h b/ports/sysdeps/unix/sysv/linux/arm/sysdep.h
index 30fa599..f9086c4 100644
--- a/ports/sysdeps/unix/sysv/linux/arm/sysdep.h
+++ b/ports/sysdeps/unix/sysv/linux/arm/sysdep.h
@@ -43,6 +43,11 @@
#define _SYS_AUXV_H 1
#include <bits/hwcap.h>
+#if !defined __VFP_FP__ && !defined __ASSEMBLER__
+# include <ldsodefs.h>
+# define ARM_HAVE_VFP (GLRO (dl_hwcap) & HWCAP_ARM_VFP)
+#endif
+
#ifdef __ASSEMBLER__
/* Linux uses a negative return value to indicate syscall errors,
-----------------------------------------------------------------------
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--
GNU C Library master sources