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.global floorl .type floorl,@function floorl: fldt 8(%esp) 1: mov $0x7,%al 1: fstcw 8(%esp) mov 9(%esp),%ah mov %al,9(%esp) fldcw 8(%esp) frndint mov %ah,9(%esp) fldcw 8(%esp) ret .global ceill .type ceill,@function ceill: fldt 8(%esp) mov $0xb,%al jmp 1b .global truncl .type truncl,@function truncl: fldt 8(%esp) mov $0xf,%al jmp 1b