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author | Mystery Man <unknown@mandriva.org> | 2003-08-20 07:37:27 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2003-08-20 07:37:27 +0000 |
commit | 7f2ac73888b8ef372ea597049981b27e7d810ac2 (patch) | |
tree | 354132889b63bbe5f446cb82869b3c3367135a80 /mdk-stage1/dietlibc/i386/ilogb.S | |
parent | 327bd24f8e4291bd1882de1990dd7339f781a9cb (diff) | |
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This commit was manufactured by cvs2svn to create branch 'MDKC_1_0'.topic/MDKC_1_0
Diffstat (limited to 'mdk-stage1/dietlibc/i386/ilogb.S')
-rw-r--r-- | mdk-stage1/dietlibc/i386/ilogb.S | 23 |
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 |