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Diffstat (limited to 'sysdeps/x86_64/fpu/e_scalbl.S')
-rw-r--r--sysdeps/x86_64/fpu/e_scalbl.S13
1 files changed, 3 insertions, 10 deletions
diff --git a/sysdeps/x86_64/fpu/e_scalbl.S b/sysdeps/x86_64/fpu/e_scalbl.S
index 331bee580c..2982dc3b9e 100644
--- a/sysdeps/x86_64/fpu/e_scalbl.S
+++ b/sysdeps/x86_64/fpu/e_scalbl.S
@@ -44,7 +44,7 @@ ENTRY(__ieee754_scalbl)
fnstsw
andl $0x4500, %eax
cmpl $0x0100, %eax
- je 3f
+ je 2f
fld %st(1)
frndint
fcomip %st(2), %st
@@ -75,15 +75,8 @@ ENTRY(__ieee754_scalbl)
#endif
ret
- /* The result is NaN, but we must not raise an exception.
- So use a variable. */
-2: fstp %st
- fstp %st
- fldl MO(nan)
- ret
-
- /* The first parameter is a NaN. Return it. */
-3: fstp %st(1)
+ /* The result is NaN; raise an exception for sNaN arguments. */
+2: faddp
ret
/* Return NaN and raise the invalid exception. */