Index: js/src/prmjtime.c
===================================================================
RCS file: /cvsroot/mozilla/js/src/prmjtime.c,v
retrieving revision 3.55
diff -u -p -d -8 -r3.55 prmjtime.c
--- js/src/prmjtime.c	13 Nov 2006 21:33:06 -0000	3.55
+++ js/src/prmjtime.c	17 Nov 2006 21:30:44 -0000
@@ -341,44 +341,47 @@ PRMJ_basetime(JSInt64 tsecs, PRMJTime *p
     JSInt32 yday    = 0;
     JSInt32 mday    = 0;
     JSInt32 wday    = 6; /* start on a Sunday */
     JSInt32 days    = 0;
     JSInt32 seconds = 0;
     JSInt32 minutes = 0;
     JSInt32 hours   = 0;
     JSInt32 isleap  = 0;
+
+    /* Temporaries used for various computations */
     JSInt64 result;
     JSInt64	result1;
     JSInt64	result2;
+    
     JSInt64 base;
 
     /* Some variables for intermediate result storage to make computing isleap
        easier/faster */    
     JSInt32 fourCenturyBlocks;
     JSInt32 centuriesLeft;
     JSInt32 fourYearBlocksLeft;
     JSInt32 yearsLeft;
 
     /* Since leap years work by 400/100/4 year intervals, precompute the length
        of those in seconds if they start at the beginning of year 1. */
     JSInt64 fourYears;
     JSInt64 century;
     JSInt64 fourCenturies;
 
+    JSLL_UI2L(result, PRMJ_DAY_SECONDS);
+
     JSLL_I2L(fourYears, PRMJ_FOUR_YEARS_DAYS);
-    JSLL_MUL(fourYears, fourYears, PRMJ_DAY_SECONDS);
+    JSLL_MUL(fourYears, fourYears, result);
     
     JSLL_I2L(century, PRMJ_CENTURY_DAYS);
-    JSLL_MUL(century, century, PRMJ_DAY_SECONDS);
+    JSLL_MUL(century, century, result);
 
     JSLL_I2L(fourCenturies, PRMJ_FOUR_CENTURIES_DAYS);
-    JSLL_MUL(fourCenturies, fourCenturies, PRMJ_DAY_SECONDS);
-
-    JSLL_UI2L(result,0);
+    JSLL_MUL(fourCenturies, fourCenturies, result);
 
     /* get the base time via UTC */
     base = PRMJ_ToExtendedTime(0);
     JSLL_UI2L(result,  PRMJ_USEC_PER_SEC);
     JSLL_DIV(base,base,result);
     JSLL_ADD(tsecs,tsecs,base);
 
     /* Compute our |year|, |isleap|, and part of |days|.  When this part is