Hexagon (target/hexagon) load and unpack bytes instructions

[qemu.git] / fpu / softfloat-specialize.c.inc

diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc
index dc4ea33c092d8af1ffdb7216cd97723525e0aac6..9ea318f3e267a35b3c032c4bc7b15a5749401a6a 100644 (file)
--- a/fpu/softfloat-specialize.c.inc
+++ b/fpu/softfloat-specialize.c.inc
@@ -145,6 +145,9 @@ static FloatParts parts_default_nan(float_status *status)
 #elif defined(TARGET_HPPA)
     /* snan_bit_is_one, set msb-1.  */
     frac = 1ULL << (DECOMPOSED_BINARY_POINT - 2);
+#elif defined(TARGET_HEXAGON)
+    sign = 1;
+    frac = ~0ULL;
 #else
     /* This case is true for Alpha, ARM, MIPS, OpenRISC, PPC, RISC-V,
      * S390, SH4, TriCore, and Xtensa.  I cannot find documentation
@@ -265,6 +268,25 @@ bool float16_is_quiet_nan(float16 a_, float_status *status)
     }
 }
 
+/*----------------------------------------------------------------------------
+| Returns 1 if the bfloat16 value `a' is a quiet
+| NaN; otherwise returns 0.
+*----------------------------------------------------------------------------*/
+
+bool bfloat16_is_quiet_nan(bfloat16 a_, float_status *status)
+{
+    if (no_signaling_nans(status)) {
+        return bfloat16_is_any_nan(a_);
+    } else {
+        uint16_t a = a_;
+        if (snan_bit_is_one(status)) {
+            return (((a >> 6) & 0x1FF) == 0x1FE) && (a & 0x3F);
+        } else {
+            return ((a >> 6) & 0x1FF) == 0x1FF;
+        }
+    }
+}
+
 /*----------------------------------------------------------------------------
 | Returns 1 if the half-precision floating-point value `a' is a signaling
 | NaN; otherwise returns 0.
@@ -284,6 +306,25 @@ bool float16_is_signaling_nan(float16 a_, float_status *status)
     }
 }
 
+/*----------------------------------------------------------------------------
+| Returns 1 if the bfloat16 value `a' is a signaling
+| NaN; otherwise returns 0.
+*----------------------------------------------------------------------------*/
+
+bool bfloat16_is_signaling_nan(bfloat16 a_, float_status *status)
+{
+    if (no_signaling_nans(status)) {
+        return 0;
+    } else {
+        uint16_t a = a_;
+        if (snan_bit_is_one(status)) {
+            return ((a >> 6) & 0x1FF) == 0x1FF;
+        } else {
+            return (((a >> 6) & 0x1FF) == 0x1FE) && (a & 0x3F);
+        }
+    }
+}
+
 /*----------------------------------------------------------------------------
 | Returns 1 if the single-precision floating-point value `a' is a quiet
 | NaN; otherwise returns 0.