optimizing atan and log10, do not use frame pointer, use the stack pointer direcly

svn path=/trunk/; revision=26820
2026-09-03 04:13:31 +00:00 · 2007-05-17 10:48:00 +00:00
parent 70e2b462a5
commit 0935620f31
2 changed files with 5 additions and 11 deletions
@@ -14,9 +14,6 @@
 /* FUNCTIONS ***************************************************************/

 _atan:
-        push    ebp
-        mov     ebp,esp            
-        fld     qword ptr [ebp+8]   
-        fpatan                      
-        pop     ebp
+        fld     qword ptr [esp+4]
+        fpatan
        ret
@@ -15,11 +15,8 @@
 /* FUNCTIONS ***************************************************************/

 _log10:
-        push    ebp
-        mov     ebp,esp            
-        fld     qword ptr [ebp+8]   
-        fldlg2  
-        fyl2x                    
-        pop     ebp
+        fld     qword ptr [esp+4]
+        fldlg2
+        fyl2x
        ret