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-rw-r--r--target-i386/exec.h1
-rw-r--r--target-i386/helper.c6
2 files changed, 2 insertions, 5 deletions
diff --git a/target-i386/exec.h b/target-i386/exec.h
index a3bbea9999..b1145017d5 100644
--- a/target-i386/exec.h
+++ b/target-i386/exec.h
@@ -337,6 +337,7 @@ static inline void stfl(target_ulong ptr, float v)
 #define atan2 atan2l
 #define floor floorl
 #define ceil ceill
+#define ldexp ldexpl
 #else
 #define floatx_to_int32 float64_to_int32
 #define floatx_to_int64 float64_to_int64
diff --git a/target-i386/helper.c b/target-i386/helper.c
index c83dbf2190..01b663f381 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -2888,11 +2888,7 @@ void helper_frndint(void)
 
 void helper_fscale(void)
 {
-    CPU86_LDouble fpsrcop, fptemp;
-
-    fpsrcop = 2.0;
-    fptemp = pow(fpsrcop,ST1);
-    ST0 *= fptemp;
+    ST0 = ldexp (ST0, (int)(ST1)); 
 }
 
 void helper_fsin(void)