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