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Diffstat (limited to 'sysdeps/i386/fpu/s_expm1f.S')
-rw-r--r--sysdeps/i386/fpu/s_expm1f.S6
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/i386/fpu/s_expm1f.S b/sysdeps/i386/fpu/s_expm1f.S
index 88adb75b86..8645107274 100644
--- a/sysdeps/i386/fpu/s_expm1f.S
+++ b/sysdeps/i386/fpu/s_expm1f.S
@@ -22,6 +22,7 @@
 
 	/* Using: e^x - 1 = 2^(x * log2(e)) - 1 */
 
+#include <sysdep.h>
 #include <machine/asm.h>
 
 #ifdef __ELF__
@@ -48,6 +49,11 @@ l2e:	.tfloat 1.442695040888963407359924681002
 
 	.text
 ENTRY(__expm1f)
+	movzwl	4+2(%esp), %eax
+	xorb	$0x80, %ah	// invert sign bit (now 1 is "positive")
+	cmpl	$0xc2b1, %eax	// is num >= 88.5?
+	jae	HIDDEN_JUMPTARGET (__expf)
+
 	flds	4(%esp)		// x
 	fxam			// Is NaN or +-Inf?
 	fstsw	%ax