Changeset 96655 in vbox for trunk/src/VBox/VMM/tools

Timestamp:

Sep 8, 2022 11:10:56 AM (2 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

153537

Message:

VMM/IEM: Overflow of unsigned long fixed for a20 and a21, bugref:9898

File:

• trunk/src/VBox/VMM/tools/IEMGenFpuConstants.c (modified) (1 diff)

trunk/src/VBox/VMM/tools/IEMGenFpuConstants.c

@@ -133 +133 @@
 
     mpfr_init2(Val, 112 + 1);
-    unsigned long uFactorial = 1; AssertCompile(sizeof(uFactorial) >= 8);
+    mpfr_set_ui(Val, 1, MPFR_RNDD);
     for (unsigned a = 1; a < 22; a++)
     {
-        uFactorial *= (a + 1);
-        mpfr_div_ui(Val, One, uFactorial, MPFR_RNDD);
+        mpfr_div_ui(Val, Val, a + 1, MPFR_RNDD);
         PrintF128(Val, NULL, "a%u", a);
     }