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#include<libc/asm.h>
MK_C_SYM(floorf)
pushl %ebp
movl %esp,%ebp
subl $8,%esp
fstcw -12(%ebp)
movw -12(%ebp),%dx
orw $0x0400,%dx
andw $0xf7ff,%dx
movw %dx,-16(%ebp)
fldcw -16(%ebp)
flds 8(%ebp);
frndint
fldcw -12(%ebp)
leave
ret