Define FP_HANDLE_EXCEPTIONS.

Define FP_ROUNDMODE.
Redefine FP_* macros to correspond to the FE_* bit positions.
Define FP_DIV_MEAT_S to _FP_DIV_MEAT_1_loop.
Define externs for __sim_exceptions, __sim_disabled_exceptions,
__sim_round_mode, __simulate_exceptions.

diff --git a/sysdeps/powerpc/soft-fp/sfp-machine.h b/sysdeps/powerpc/soft-fp/sfp-machine.h
index 6d68f01..637dd98 100644 (file)
--- a/sysdeps/powerpc/soft-fp/sfp-machine.h
+++ b/sysdeps/powerpc/soft-fp/sfp-machine.h
@@ -10,7 +10,7 @@
 #define _FP_MUL_MEAT_Q(R,X,Y)                          \
   _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
 
-#define _FP_DIV_MEAT_S(R,X,Y)  _FP_DIV_MEAT_1_udiv(S,R,X,Y)
+#define _FP_DIV_MEAT_S(R,X,Y)  _FP_DIV_MEAT_1_loop(S,R,X,Y)
 #define _FP_DIV_MEAT_D(R,X,Y)  _FP_DIV_MEAT_2_udiv(D,R,X,Y)
 #define _FP_DIV_MEAT_Q(R,X,Y)  _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
 
@@ -40,9 +40,19 @@
     R##_c = FP_CLS_NAN;                                                \
   } while (0)
 
-/* Exception flags. */
-#define FP_EX_INVALID          (1 << 4)
-#define FP_EX_OVERFLOW         (1 << 3)
-#define FP_EX_UNDERFLOW                (1 << 2)
-#define FP_EX_DIVZERO          (1 << 1)
-#define FP_EX_INEXACT          (1 << 0)
+/* Exception flags.  We use the bit positions of the appropriate bits
+   in the FPSCR, which also correspond to the FE_* bits.  This makes
+   everything easier ;-).  */
+#define FP_EX_INVALID         (1 << (31 - 2))
+#define FP_EX_OVERFLOW        (1 << (31 - 3))
+#define FP_EX_UNDERFLOW       (1 << (31 - 4))
+#define FP_EX_DIVZERO         (1 << (31 - 5))
+#define FP_EX_INEXACT         (1 << (31 - 6))
+
+#define FP_HANDLE_EXCEPTIONS  __simulate_exceptions (_fex)
+#define FP_ROUNDMODE          __sim_round_mode
+
+extern int __sim_exceptions attribute_hidden;
+extern int __sim_disabled_exceptions attribute_hidden;
+extern int __sim_round_mode attribute_hidden;
+extern void __simulate_exceptions (int x) attribute_hidden;