From 52cf24a0f45f208b1627a64e4af9a5ed8cb28ae7 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Mon, 13 Jun 2011 13:37:16 -0400
Subject: [PATCH] fix fesetround - it was writing to status word instead of
 control word

---
 src/fenv/i386/fenv.s | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/fenv/i386/fenv.s b/src/fenv/i386/fenv.s
index 72d2ed7d..34101d58 100644
--- a/src/fenv/i386/fenv.s
+++ b/src/fenv/i386/fenv.s
@@ -27,10 +27,15 @@ feraiseexcept:
 
 .global fesetround
 fesetround:
+	mov 4(%esp),%ecx
 	xor %eax,%eax
-	mov $0xc00,%ecx
-	mov 4(%esp),%edx
-	jmp 2b
+	sub $32,%esp
+	fnstenv (%esp)
+	andb $0xf3,1(%esp)
+	or %ecx,(%esp)
+	fldenv (%esp)
+	add $32,%esp
+	ret
 
 .global fegetround
 fegetround:
-- 
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