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authorMystery Man <unknown@mandriva.org>2003-05-06 13:11:49 +0000
committerMystery Man <unknown@mandriva.org>2003-05-06 13:11:49 +0000
commit3f5d21d90abbd16f16ab69aec1e1a1853a93fd18 (patch)
tree3d9f5a32303a8d97b4b457949e64bb42b4850ea9 /mdk-stage1/dietlibc/i386/ilogb.S
parent327bd24f8e4291bd1882de1990dd7339f781a9cb (diff)
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This commit was manufactured by cvs2svn to create tag 'R9_0-AMD64'.R9_0-AMD64
Diffstat (limited to 'mdk-stage1/dietlibc/i386/ilogb.S')
-rw-r--r--mdk-stage1/dietlibc/i386/ilogb.S23
1 files changed, 23 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/i386/ilogb.S b/mdk-stage1/dietlibc/i386/ilogb.S
new file mode 100644
index 000000000..3bebd88ba
--- /dev/null
+++ b/mdk-stage1/dietlibc/i386/ilogb.S
@@ -0,0 +1,23 @@
+#
+# int ilogb ( double x );
+#
+# returns (int) log2 (fabs(x)) for x!=0
+# returns MIN_INT for x==0
+#
+
+.text
+.global ilogb
+.type ilogb,@function
+
+ilogb:
+ movl 8(%esp),%eax
+ addl %eax,%eax
+ jz .Lzero
+ shrl $21,%eax
+ subl $1023,%eax
+ ret
+
+.Lzero:
+ stc
+ rcrl %eax
+ ret