[sim] integrated SoftFloat-3 with ISA sim; removed SoftFloat-2b

[riscv-isa-sim.git] / softfloat / f32_le_quiet.cc

diff --git a/softfloat/f32_le_quiet.cc b/softfloat/f32_le_quiet.cc
new file mode 100755 (executable)
index 0000000..2b541da
--- /dev/null
+++ b/softfloat/f32_le_quiet.cc
@@ -0,0 +1,39 @@
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "platform.h"
+#include "internals.h"
+#include "specialize.h"
+#include "softfloat.h"
+
+bool f32_le_quiet( float32_t a, float32_t b )
+{
+    union ui32_f32 uA;
+    uint_fast32_t uiA;
+    union ui32_f32 uB;
+    uint_fast32_t uiB;
+    bool signA, signB;
+
+    uA.f = a;
+    uiA = uA.ui;
+    uB.f = b;
+    uiB = uB.ui;
+    if (
+           ( ( expF32UI( uiA ) == 0xFF ) && fracF32UI( uiA ) )
+        || ( ( expF32UI( uiB ) == 0xFF ) && fracF32UI( uiB ) )
+    ) {
+        if (
+            softfloat_isSigNaNF32UI( uiA ) || softfloat_isSigNaNF32UI( uiB )
+        ) {
+            softfloat_raiseFlags( softfloat_flag_invalid );
+        }
+        return false;
+    }
+    signA = signF32UI( uiA );
+    signB = signF32UI( uiB );
+    return
+        ( signA != signB ) ? signA || ! (uint32_t) ( ( uiA | uiB )<<1 )
+            : ( uiA == uiB ) || ( signA ^ ( uiA < uiB ) );
+
+}
+