small optimization

git-svn-id: svn://kolibrios.org@254 a494cfbc-eb01-0410-851d-a64ba20cac60
2006-12-29 07:12:27 +00:00
parent d40f7261aa
commit f5b902bbee
5 changed files with 5 additions and 10 deletions
--- a/kernel/trunk/core/heap.inc
+++ b/kernel/trunk/core/heap.inc
@@ -214,8 +214,7 @@ found:
           btr [ebx], eax
           mov [mem_block_start],ebx
           sub ebx, mem_block_map
-           shl ebx, 3
-           add eax,ebx
+           lea eax,[eax+ebx*8]
           shl eax, 5
           add eax, [mem_block_arr]
           dec [free_blocks]
--- a/kernel/trunk/core/memory.inc
+++ b/kernel/trunk/core/memory.inc
@@ -172,8 +172,7 @@ proc alloc_page
           btr [ebx], eax
           mov [page_start],ebx
           sub ebx, sys_pgmap
-           shl ebx, 3
-           add eax,ebx
+           lea eax, [eax+ebx*8]
           shl eax, 12
           dec [pg_data.pages_free]
           popfd