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[thirdparty/glibc.git] / sysdeps / sparc / sparc32 / soft-fp / sfp-machine.h

diff --git a/sysdeps/sparc/sparc32/soft-fp/sfp-machine.h b/sysdeps/sparc/sparc32/soft-fp/sfp-machine.h
index 8cdc7c26774aafbb620ab5ff1c74d4ff3b6af55e..025b3ab196d91b23c092a4e7c1ced74a3635783e 100644 (file)
--- a/sysdeps/sparc/sparc32/soft-fp/sfp-machine.h
+++ b/sysdeps/sparc/sparc32/soft-fp/sfp-machine.h
@@ -1,6 +1,6 @@
 /* Machine-dependent software floating-point definitions.
    Sparc userland (_Q_*) version.
-   Copyright (C) 1997,1998,1999, 2002, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1997-2014 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson (rth@cygnus.com),
                  Jakub Jelinek (jj@ultra.linux.cz) and
@@ -47,6 +47,7 @@
 #define _FP_NANSIGN_Q          0
 
 #define _FP_KEEPNANFRACP 1
+#define _FP_QNANNEGATEDP 0
 
 /* If one NaN is signaling and the other is not,
  * we choose that one, otherwise we choose X.
@@ -184,15 +185,19 @@
 #define FP_EX_DIVZERO          (1 << 1)
 #define FP_EX_INEXACT          (1 << 0)
 
-#define _FP_DECL_EX    fpu_control_t _fcw
+#define _FP_DECL_EX \
+  fpu_control_t _fcw __attribute__ ((unused)) = (FP_RND_NEAREST << 30)
 
 #define FP_INIT_ROUNDMODE                                      \
 do {                                                           \
   _FPU_GETCW(_fcw);                                            \
 } while (0)
 
+#define FP_TRAPPING_EXCEPTIONS ((_fcw >> 23) & 0x1f)
+#define FP_INHIBIT_RESULTS ((_fcw >> 23) & _fex)
+
 /* Simulate exceptions using double arithmetics. */
-extern double ___Q_simulate_exceptions(int exc);
+extern void ___Q_simulate_exceptions(int exc);
 
 #define FP_HANDLE_EXCEPTIONS                                   \
 do {                                                           \
@@ -201,11 +206,10 @@ do {                                                              \
       /* This is the common case, so we do it inline.          \
        * We need to clear cexc bits if any.                    \
        */                                                      \
-      extern unsigned long long ___Q_numbers[];                        \
-      __asm__ __volatile__("\
-       ldd [%0], %%f30\n\
-       faddd %%f30, %%f30, %%f30\
-       " : : "r" (___Q_numbers) : "f30");                      \
+      extern unsigned long long ___Q_zero;                     \
+      __asm__ __volatile__("ldd [%0], %%f30\n\t"               \
+                          "faddd %%f30, %%f30, %%f30"          \
+                          : : "r" (&___Q_zero) : "f30");       \
     }                                                          \
   else                                                         \
     ___Q_simulate_exceptions (_fex);                           \