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| author | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
|---|---|---|
| committer | The Android Open Source Project <initial-contribution@android.com> | 2008-10-21 07:00:00 -0700 |
| commit | a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349 (patch) | |
| tree | defd1cc07d16ad2f3b21154114e092d11c94c5bb /libm/i387/s_floorl.S | |
| download | bionic-a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349.zip bionic-a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349.tar.gz bionic-a27d2baa0c1a2ec70f47ea9199b1dd6762c8a349.tar.bz2 | |
Initial Contributionandroid-1.0
Diffstat (limited to 'libm/i387/s_floorl.S')
| -rw-r--r-- | libm/i387/s_floorl.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libm/i387/s_floorl.S b/libm/i387/s_floorl.S new file mode 100644 index 0000000..3cde335 --- /dev/null +++ b/libm/i387/s_floorl.S @@ -0,0 +1,27 @@ +/* + * Based on code written by J.T. Conklin <jtc@NetBSD.org>. + * Public domain. + */ + +#include <machine/asm.h> +__FBSDID("$FreeBSD: src/lib/msun/i387/s_floorl.S,v 1.1 2005/04/16 21:12:55 das Exp $") + +ENTRY(floorl) + pushl %ebp + movl %esp,%ebp + subl $8,%esp + + fstcw -4(%ebp) /* store fpu control word */ + movw -4(%ebp),%dx + orw $0x0400,%dx /* round towards -oo */ + andw $0xf7ff,%dx + movw %dx,-8(%ebp) + fldcw -8(%ebp) /* load modfied control word */ + + fldt 8(%ebp) /* round */ + frndint + + fldcw -4(%ebp) /* restore original control word */ + + leave + ret |