This is basically done on all x86/x86-64 native systems except for Linux
and makes it possible to work around other precision settings, e.g Java's.
Tested on x86_64-pc-linux-gnu, committed on trunk
gcc/ada/
* init.c (__gnat_init_float): Use full version on Linux too.diff --git a/gcc/ada/init.c b/gcc/ada/init.c
--- a/gcc/ada/init.c
+++ b/gcc/ada/init.c
@@ -2749,11 +2749,7 @@ __gnat_install_handler (void)
/* __gnat_init_float */
/*********************/
-/* This routine is called as each process thread is created, for possible
- initialization of the FP processor. This version is used under INTERIX
- and WIN32. */
-
-#if defined (_WIN32) || defined (__INTERIX) \
+#if defined (_WIN32) || defined (__INTERIX) || defined (__linux__) \
|| defined (__Lynx__) || defined(__NetBSD__) || defined(__FreeBSD__) \
|| defined (__OpenBSD__) || defined (__DragonFly__) || defined(__QNX__)
@@ -2763,13 +2759,10 @@ void
__gnat_init_float (void)
{
#if defined (__i386__) || defined (__x86_64__)
-
- /* This is used to properly initialize the FPU on an x86 for each
- process thread. */
-
+ /* This is used to properly initialize the FPU to 64-bit precision on an x86
+ for each process thread and also for floating-point I/O. */
asm ("finit");
-
-#endif /* Defined __i386__ */
+#endif
}
#endif
