From 6fdadb624894f047c742d7e0873d1e1201e794b8 Mon Sep 17 00:00:00 2001
From: nickysn <nickysn@gmail.com>
Date: Tue, 19 Nov 2013 23:22:49 +0000
Subject: [PATCH] * 8087 fixes in tx86addnode.second_cmpfloat:   - use FSTSW
 instead of FNSTSW   - insert a FWAIT after the FSTSW, because the value is
 immediately loaded     afterwards by the integer unit of the CPU

git-svn-id: trunk@26110 -
---
 compiler/x86/nx86add.pas | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/compiler/x86/nx86add.pas b/compiler/x86/nx86add.pas
index 32d55d095c..9a8913442b 100644
--- a/compiler/x86/nx86add.pas
+++ b/compiler/x86/nx86add.pas
@@ -1234,7 +1234,8 @@ unit nx86add;
             if current_settings.cputype < cpu_286 then
               begin
                 tg.gettemp(current_asmdata.CurrAsmList,2,2,tt_normal,tmpref);
-                emit_ref(A_FNSTSW,S_NO,tmpref);
+                emit_ref(A_FSTSW,S_NO,tmpref);
+                emit_none(A_FWAIT,S_NO);
                 cg.getcpuregister(current_asmdata.CurrAsmList,NR_AX);
                 emit_ref_reg(A_MOV,S_W,tmpref,NR_AX);
                 emit_none(A_SAHF,S_NO);