flt_rounds.S revision 1.3
1 1.3 christos /* $NetBSD: flt_rounds.S,v 1.3 2011/09/28 15:11:42 christos Exp $ */ 2 1.1 fvdl 3 1.1 fvdl /* 4 1.1 fvdl * Written by J.T. Conklin, Apr 4, 1995 5 1.1 fvdl * Public domain. 6 1.1 fvdl */ 7 1.1 fvdl 8 1.1 fvdl #include <machine/asm.h> 9 1.1 fvdl 10 1.1 fvdl .text 11 1.1 fvdl _ALIGN_TEXT 12 1.1 fvdl _map: 13 1.1 fvdl .byte 1 /* round to nearest */ 14 1.1 fvdl .byte 3 /* round to negative infinity */ 15 1.1 fvdl .byte 2 /* round to positive infinity */ 16 1.1 fvdl .byte 0 /* round to zero */ 17 1.1 fvdl 18 1.1 fvdl ENTRY(__flt_rounds) 19 1.1 fvdl fnstcw -4(%rsp) 20 1.1 fvdl movl -4(%rsp),%eax 21 1.1 fvdl shrl $10,%eax 22 1.1 fvdl andl $3,%eax 23 1.1 fvdl #ifdef PIC 24 1.3 christos leaq _map(%rip),%rcx 25 1.1 fvdl movb (%rcx,%rax,1),%al 26 1.1 fvdl #else 27 1.1 fvdl movb _map(,%rax,1),%al 28 1.1 fvdl #endif 29 1.1 fvdl ret 30
Indexes created Thu Oct 02 01:09:59 GMT 2025