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glibc-arm-runfast.patch
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# DP: Enable RunFast mode by default
diff -Naur eglibc-2.10.orig/ports/sysdeps/arm/eabi/fpu_control.h eglibc-2.10/ports/sysdeps/arm/eabi/fpu_control.h
--- eglibc-2.10.orig/ports/sysdeps/arm/eabi/fpu_control.h 2009-10-12 21:30:02.000000000 +0300
+++ eglibc-2.10/ports/sysdeps/arm/eabi/fpu_control.h 2010-12-10 14:05:34.211855205 +0200
@@ -41,9 +41,10 @@
/* Some bits in the FPSCR are not yet defined. They must be preserved when
modifying the contents. */
#define _FPU_RESERVED 0x0e08e0e0
-#define _FPU_DEFAULT 0x00000000
+/* The default mode is RunFast */
+#define _FPU_DEFAULT (3 << 24)
/* Default + exceptions enabled. */
-#define _FPU_IEEE (_FPU_DEFAULT | 0x00001f00)
+#define _FPU_IEEE 0x00001f00
/* Type of the control word. */
typedef unsigned int fpu_control_t;
diff -Naur eglibc-2.10.orig/sysdeps/unix/sysv/linux/init-first.c eglibc-2.10/sysdeps/unix/sysv/linux/init-first.c
--- eglibc-2.10.orig/sysdeps/unix/sysv/linux/init-first.c 2009-10-12 21:29:00.000000000 +0300
+++ eglibc-2.10/sysdeps/unix/sysv/linux/init-first.c 2010-12-10 14:04:24.364680564 +0200
@@ -69,6 +69,9 @@
__setfpucw (__fpu_control);
}
+ /* Set the default FPU mode once again it is RunFast */
+ _FPU_SETCW(_FPU_DEFAULT);
+
/* Save the command-line arguments. */
__libc_argc = argc;
__libc_argv = argv;