--- a/hotspot/src/os_cpu/solaris_x86/vm/solaris_x86_32.s	Wed Jun 09 18:50:45 2010 -0700
+++ b/hotspot/src/os_cpu/solaris_x86/vm/solaris_x86_32.s	Thu Jun 10 13:04:20 2010 -0700
@@ -154,10 +154,10 @@
         jnz      3b
         addl     %esi,%edi
 4:      movl     %eax,%ecx            / byte count less prefix
-        andl     $3,%ecx              / suffix byte count
+5:      andl     $3,%ecx              / suffix byte count
         jz       7f                   / no suffix
         / copy suffix
-5:      xorl     %eax,%eax
+        xorl     %eax,%eax
 6:      movb     (%esi,%eax,1),%dl
         movb     %dl,(%edi,%eax,1)
         addl     $1,%eax
@@ -192,10 +192,10 @@
         / copy dwords, aligned or not
 3:      rep;     smovl
 4:      movl     %eax,%ecx            / byte count
-        andl     $3,%ecx              / suffix byte count
+5:      andl     $3,%ecx              / suffix byte count
         jz       7f                   / no suffix
         / copy suffix
-5:      subl     %esi,%edi
+        subl     %esi,%edi
         addl     $3,%esi
 6:      movb     (%esi),%dl
         movb     %dl,(%edi,%esi,1)
@@ -246,10 +246,10 @@
         / copy aligned dwords
 3:      rep;     smovl
 4:      movl     %eax,%ecx
-        andl     $3,%ecx
+5:      andl     $3,%ecx
         jz       7f
         / copy suffix
-5:      xorl     %eax,%eax
+        xorl     %eax,%eax
 6:      movb     (%esi,%eax,1),%dl
         movb     %dl,(%edi,%eax,1)
         addl     $1,%eax
@@ -282,9 +282,9 @@
         jnz      3b
         addl     %esi,%edi
 4:      movl     %eax,%ecx
-        andl     $3,%ecx
+5:      andl     $3,%ecx
         jz       7f
-5:      subl     %esi,%edi
+        subl     %esi,%edi
         addl     $3,%esi
 6:      movb     (%esi),%dl
         movb     %dl,(%edi,%esi,1)
@@ -318,11 +318,12 @@
         andl     $3,%eax              / either 0 or 2
         jz       1f                   / no prefix
         / copy prefix
+        subl     $1,%ecx
+        jl       5f                   / zero count
         movw     (%esi),%dx
         movw     %dx,(%edi)
         addl     %eax,%esi            / %eax == 2
         addl     %eax,%edi
-        subl     $1,%ecx
 1:      movl     %ecx,%eax            / word count less prefix
         sarl     %ecx                 / dword count
         jz       4f                   / no dwords to move
@@ -482,12 +483,13 @@
         ret
         .=.+10
 2:      subl     %esi,%edi
+        jmp      4f
         .align   16
 3:      movl     (%esi),%edx
         movl     %edx,(%edi,%esi,1)
         addl     $4,%esi
-        subl     $1,%ecx
-        jnz      3b
+4:      subl     $1,%ecx
+        jge      3b
         popl     %edi
         popl     %esi
         ret
@@ -495,19 +497,20 @@
         std
         leal     -4(%edi,%ecx,4),%edi / to + count*4 - 4
         cmpl     $32,%ecx
-        ja       3f                   / > 32 dwords
+        ja       4f                   / > 32 dwords
         subl     %eax,%edi            / eax == from + count*4 - 4
+        jmp      3f
         .align   16
 2:      movl     (%eax),%edx
         movl     %edx,(%edi,%eax,1)
         subl     $4,%eax
-        subl     $1,%ecx
-        jnz      2b
+3:      subl     $1,%ecx
+        jge      2b
         cld
         popl     %edi
         popl     %esi
         ret
-3:      movl     %eax,%esi            / from + count*4 - 4
+4:      movl     %eax,%esi            / from + count*4 - 4
         rep;     smovl
         cld
         popl     %edi