From c9d021aeb87d4fad74546701bf5b93c4461dbcd4 Mon Sep 17 00:00:00 2001
From: nickysn <nickysn@gmail.com>
Date: Wed, 16 Oct 2013 15:17:23 +0000
Subject: [PATCH] * prefer to use ax in fpc_SetJmp for i8086, because it's
 faster on old CPUs (and makes no difference on newer CPUs)

git-svn-id: trunk@25805 -
---
 rtl/i8086/setjump.inc | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/rtl/i8086/setjump.inc b/rtl/i8086/setjump.inc
index 1cc9107be7..e5fb790125 100644
--- a/rtl/i8086/setjump.inc
+++ b/rtl/i8086/setjump.inc
@@ -19,14 +19,14 @@ asm
 
   mov bx, ss:[si + 2 + extra_param_offset]  // S
   mov word [bx + Jmp_buf.bp], bp
-  mov cx, word ss:[si]
-  mov word [bx + Jmp_buf.ip], cx
+  mov ax, word ss:[si]
+  mov word [bx + Jmp_buf.ip], ax
 {$ifdef FPC_X86_CODE_FAR}
-  mov cx, word ss:[si + 2]
-  mov word [bx + Jmp_buf.cs], cx
+  mov ax, word ss:[si + 2]
+  mov word [bx + Jmp_buf.cs], ax
 {$endif FPC_X86_CODE_FAR}
-  add si, 4 + extra_param_offset
-  mov word [bx + Jmp_buf.sp], si
+  lea ax, [si + 4 + extra_param_offset]
+  mov word [bx + Jmp_buf.sp], ax
 
   xor ax, ax
 end;