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| author | nsz <nsz@port70.net> | 2012-03-20 10:25:02 +0100 |
|---|---|---|
| committer | nsz <nsz@port70.net> | 2012-03-20 10:25:02 +0100 |
| commit | 03c52e137a28f65519bf6e7c303e5bd25df6e929 (patch) | |
| tree | f5fe7ae916d9039adfe82217716e2aafd08702fb /src/math/i386/scalbnl.s | |
| parent | Merge branch 'master' of git://git.etalabs.net/musl (diff) | |
| parent | optimize scalbn family (diff) | |
| download | grovel-03c52e137a28f65519bf6e7c303e5bd25df6e929.tar.gz grovel-03c52e137a28f65519bf6e7c303e5bd25df6e929.tar.xz | |
Merge branch 'master' of git://git.etalabs.net/musl
Diffstat (limited to 'src/math/i386/scalbnl.s')
| -rw-r--r-- | src/math/i386/scalbnl.s | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/math/i386/scalbnl.s b/src/math/i386/scalbnl.s index 224b1bef..54414c2e 100644 --- a/src/math/i386/scalbnl.s +++ b/src/math/i386/scalbnl.s @@ -11,7 +11,21 @@ scalblnl: .global scalbnl .type scalbnl,@function scalbnl: - fildl 16(%esp) + mov 16(%esp),%eax + add $0x3ffe,%eax + cmp $0x7ffd,%eax + jae 1f + inc %eax + fldt 4(%esp) + mov %eax,12(%esp) + mov $0x80000000,%eax + mov %eax,8(%esp) + xor %eax,%eax + mov %eax,4(%esp) + fldt 4(%esp) + fmulp + ret +1: fildl 16(%esp) fldt 4(%esp) fscale fstp %st(1) |