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-rw-r--r--sysdeps/i386/fpu/e_expl.S7
1 files changed, 5 insertions, 2 deletions
diff --git a/sysdeps/i386/fpu/e_expl.S b/sysdeps/i386/fpu/e_expl.S
index 64e0d96839..7d75fe22a1 100644
--- a/sysdeps/i386/fpu/e_expl.S
+++ b/sysdeps/i386/fpu/e_expl.S
@@ -102,7 +102,7 @@ ENTRY(IEEE754_EXPL)
/* Below -64.0 (may be -NaN or -Inf). */
andb %ah, %dh
cmpb $0x01, %dh
- je 2f /* Is +-NaN, jump. */
+ je 6f /* Is +-NaN, jump. */
jmp 1f /* -large, possibly -Inf. */
4: /* In range -64.0 to 64.0 (may be +-0 but not NaN or +-Inf). */
@@ -144,7 +144,7 @@ ENTRY(IEEE754_EXPL)
cmpb $0x05, %dh
je 1f /* Is +-Inf, jump. */
cmpb $0x01, %dh
- je 2f /* Is +-NaN, jump. */
+ je 6f /* Is +-NaN, jump. */
/* Overflow or underflow; saturate. */
fstp %st
fldt MO(csat)
@@ -214,6 +214,9 @@ ENTRY(IEEE754_EXPL)
fldz /* Set result to 0. */
#endif
2: ret
+6: /* NaN argument. */
+ fadd %st
+ ret
END(IEEE754_EXPL)
#ifdef USE_AS_EXPM1L
libm_hidden_def (__expm1l)