#define SNAN_BIT_IS_ONE 0
#endif
+#if defined(TARGET_XTENSA)
+/* Define for architectures which deviate from IEEE in not supporting
+ * signaling NaNs (so all NaNs are treated as quiet).
+ */
+#define NO_SIGNALING_NANS 1
+#endif
+
/*----------------------------------------------------------------------------
| The pattern for a default generated half-precision NaN.
*----------------------------------------------------------------------------*/
*----------------------------------------------------------------------------*/
#if defined(TARGET_SPARC)
const float32 float32_default_nan = const_float32(0x7FFFFFFF);
-#elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA)
+#elif defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_ALPHA) || \
+ defined(TARGET_XTENSA)
const float32 float32_default_nan = const_float32(0x7FC00000);
#elif SNAN_BIT_IS_ONE
const float32 float32_default_nan = const_float32(0x7FBFFFFF);
uint64_t high, low;
} commonNaNT;
+#ifdef NO_SIGNALING_NANS
+int float16_is_quiet_nan(float16 a_)
+{
+ return float16_is_any_nan(a_);
+}
+
+int float16_is_signaling_nan(float16 a_)
+{
+ return 0;
+}
+#else
/*----------------------------------------------------------------------------
| Returns 1 if the half-precision floating-point value `a' is a quiet
| NaN; otherwise returns 0.
return (((a >> 9) & 0x3F) == 0x3E) && (a & 0x1FF);
#endif
}
+#endif
/*----------------------------------------------------------------------------
| Returns a quiet NaN if the half-precision floating point value `a' is a
}
}
+#ifdef NO_SIGNALING_NANS
+int float32_is_quiet_nan(float32 a_)
+{
+ return float32_is_any_nan(a_);
+}
+
+int float32_is_signaling_nan(float32 a_)
+{
+ return 0;
+}
+#else
/*----------------------------------------------------------------------------
| Returns 1 if the single-precision floating-point value `a' is a quiet
| NaN; otherwise returns 0.
return ( ( ( a>>22 ) & 0x1FF ) == 0x1FE ) && ( a & 0x003FFFFF );
#endif
}
+#endif
/*----------------------------------------------------------------------------
| Returns a quiet NaN if the single-precision floating point value `a' is a
return 1;
}
}
-#elif defined(TARGET_PPC)
+#elif defined(TARGET_PPC) || defined(TARGET_XTENSA)
static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
flag aIsLargerSignificand)
{
return 1;
}
}
+#elif defined(TARGET_MIPS)
+static int pickNaNMulAdd(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
+ flag cIsQNaN, flag cIsSNaN, flag infzero STATUS_PARAM)
+{
+ /* For MIPS, the (inf,zero,qnan) case sets InvalidOp and returns
+ * the default NaN
+ */
+ if (infzero) {
+ float_raise(float_flag_invalid STATUS_VAR);
+ return 3;
+ }
+
+ /* Prefer sNaN over qNaN, in the a, b, c order. */
+ if (aIsSNaN) {
+ return 0;
+ } else if (bIsSNaN) {
+ return 1;
+ } else if (cIsSNaN) {
+ return 2;
+ } else if (aIsQNaN) {
+ return 0;
+ } else if (bIsQNaN) {
+ return 1;
+ } else {
+ return 2;
+ }
+}
#elif defined(TARGET_PPC)
static int pickNaNMulAdd(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN,
flag cIsQNaN, flag cIsSNaN, flag infzero STATUS_PARAM)
}
}
+#ifdef NO_SIGNALING_NANS
+int float64_is_quiet_nan(float64 a_)
+{
+ return float64_is_any_nan(a_);
+}
+
+int float64_is_signaling_nan(float64 a_)
+{
+ return 0;
+}
+#else
/*----------------------------------------------------------------------------
| Returns 1 if the double-precision floating-point value `a' is a quiet
| NaN; otherwise returns 0.
&& ( a & LIT64( 0x0007FFFFFFFFFFFF ) );
#endif
}
+#endif
/*----------------------------------------------------------------------------
| Returns a quiet NaN if the double-precision floating point value `a' is a
}
}
+#ifdef NO_SIGNALING_NANS
+int floatx80_is_quiet_nan(floatx80 a_)
+{
+ return floatx80_is_any_nan(a_);
+}
+
+int floatx80_is_signaling_nan(floatx80 a_)
+{
+ return 0;
+}
+#else
/*----------------------------------------------------------------------------
| Returns 1 if the extended double-precision floating-point value `a' is a
| quiet NaN; otherwise returns 0. This slightly differs from the same
&& ( a.low == aLow );
#endif
}
+#endif
/*----------------------------------------------------------------------------
| Returns a quiet NaN if the extended double-precision floating point value
}
}
+#ifdef NO_SIGNALING_NANS
+int float128_is_quiet_nan(float128 a_)
+{
+ return float128_is_any_nan(a_);
+}
+
+int float128_is_signaling_nan(float128 a_)
+{
+ return 0;
+}
+#else
/*----------------------------------------------------------------------------
| Returns 1 if the quadruple-precision floating-point value `a' is a quiet
| NaN; otherwise returns 0.
&& ( a.low || ( a.high & LIT64( 0x00007FFFFFFFFFFF ) ) );
#endif
}
+#endif
/*----------------------------------------------------------------------------
| Returns a quiet NaN if the quadruple-precision floating point value `a' is