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

[riscv-isa-sim.git] / softfloat / f32_to_ui32_r_minMag.cc

diff --git a/softfloat/f32_to_ui32_r_minMag.cc b/softfloat/f32_to_ui32_r_minMag.cc
new file mode 100755 (executable)
index 0000000..edd858d
--- /dev/null
+++ b/softfloat/f32_to_ui32_r_minMag.cc
@@ -0,0 +1,41 @@
+\r
+#include <stdbool.h>\r
+#include <stdint.h>\r
+#include "platform.h"\r
+#include "internals.h"\r
+#include "softfloat.h"\r
+\r
+uint_fast32_t f32_to_ui32_r_minMag( float32_t a, bool exact )\r
+{\r
+    union ui32_f32 uA;\r
+    uint_fast32_t uiA;\r
+    int_fast16_t exp;\r
+    uint_fast32_t sig;\r
+    int_fast16_t shiftCount;\r
+    uint_fast32_t z;\r
+\r
+    uA.f = a;\r
+    uiA = uA.ui;\r
+    exp = expF32UI( uiA );\r
+    sig = fracF32UI( uiA );\r
+    if ( exp < 0x7F ) {\r
+        if ( exact && ( exp | sig ) ) {\r
+            softfloat_exceptionFlags |= softfloat_flag_inexact;\r
+        }\r
+        return 0;\r
+    }\r
+    if ( signF32UI( uiA ) ) goto invalid;\r
+    shiftCount = 0x9E - exp;\r
+    if ( shiftCount < 0 ) goto invalid;\r
+    sig = ( sig | 0x00800000 )<<8;\r
+    z = sig>>shiftCount;\r
+    if ( exact && ( sig & ( ( (uint_fast32_t) 1<<shiftCount ) - 1 ) ) ) {\r
+        softfloat_exceptionFlags |= softfloat_flag_inexact;\r
+    }\r
+    return z;\r
+ invalid:\r
+    softfloat_raiseFlags( softfloat_flag_invalid );\r
+    return 0xFFFFFFFF;\r
+\r
+}\r
+\r