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path: root/sysdeps/i386/fpu/s_frexpl.S
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Diffstat (limited to 'sysdeps/i386/fpu/s_frexpl.S')
-rw-r--r--sysdeps/i386/fpu/s_frexpl.S9
1 files changed, 8 insertions, 1 deletions
diff --git a/sysdeps/i386/fpu/s_frexpl.S b/sysdeps/i386/fpu/s_frexpl.S
index f687ab3c2e..b33a8a8573 100644
--- a/sysdeps/i386/fpu/s_frexpl.S
+++ b/sysdeps/i386/fpu/s_frexpl.S
@@ -50,7 +50,7 @@ ENTRY (__frexpl)
jz 1f
xorl %ecx, %ecx
cmpl $0x7fff, %eax
- je 1f
+ je 3f
cmpl $0, %eax
jne 2f
@@ -81,5 +81,12 @@ ENTRY (__frexpl)
movl %ecx, (%eax)
ret
+
+ /* Infinity or NaN; ensure signaling NaNs are quieted. */
+3: movl EXPP(%esp), %eax
+ fldt VAL0(%esp)
+ fadd %st
+ movl %ecx, (%eax)
+ ret
END (__frexpl)
weak_alias (__frexpl, frexpl)