about summary refs log tree commit diff
diff options
context:
space:
mode:
-rw-r--r--src/math/i386/sqrt.s4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/math/i386/sqrt.s b/src/math/i386/sqrt.s
index 8289d094..33157044 100644
--- a/src/math/i386/sqrt.s
+++ b/src/math/i386/sqrt.s
@@ -10,6 +10,10 @@ sqrt:	fldl 4(%esp)
 	and $0x7ff,%ecx
 	cmp $0x400,%ecx
 	jnz 1f
+	mov 8(%esp),%ecx
+	or $0xffff8000,%ecx
+	inc %ecx
+	jz 1f
 	and $0x200,%eax
 	sub $0x100,%eax
 	sub %eax,(%esp)