diff options
Diffstat (limited to 'mdk-stage1/dietlibc/i386/cbrt.S')
| -rw-r--r-- | mdk-stage1/dietlibc/i386/cbrt.S | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/mdk-stage1/dietlibc/i386/cbrt.S b/mdk-stage1/dietlibc/i386/cbrt.S deleted file mode 100644 index 9d8aebd1e..000000000 --- a/mdk-stage1/dietlibc/i386/cbrt.S +++ /dev/null @@ -1,46 +0,0 @@ -.text - -tab: .byte 0, 0, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4 - .byte 4, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9 - .byte 10,10,11,11,12,12,12,13,13,14,14,14,15,15,15,16 - -_3: .long 0x40400000 - - -.global cbrt -cbrt: - fldl 4(%esp) - movw 10(%esp),%ax - movb %ah,%ch - andw $0x7FFF,%ax - jz zero /* cbrt(0) = 0 */ - pushl %ebx - cwd - movl $16*3,%ebx /* AX 3FE0 3FF0 4000 4010 */ - divw %bx /* AX 154 155 155 155 */ - /* DX 20 0 10 20 */ - shlw $5,%ax - addb %ch,%ch - rcrw %ax /* AX 1540 1550 1550 1550 */ - addw $0x3FF0-0x1550,%ax /* AX 3FE0 3FF0 3FF0 3FF0 */ - movw %dx,%bx - addb tab(%ebx),%al - adcb $0,%ah - popl %ebx - movw %ax,10(%esp) - fldl 4(%esp) /* y x */ - - movl $4,%ecx -lop: - fld %st(0) /* y y x */ - fmul %st(0),%st(0) /* y^2 y x */ - fdivr %st(2),%st(0) /* x/y^2 y x */ - fadd %st(1),%st(0) /* x/y^2+y y x */ - faddp /* x/y^2+2y x */ - fdivs _3 /* y' x */ - loop lop - - fstp %st(1) /* y' */ -zero: - ret - |