| /* |
| * Written by J.T. Conklin <jtc@netbsd.org>. |
| * Changes for long double by Ulrich Drepper <drepper@cygnus.com> |
| * Changes for x86-64 by Andreas Jaeger <aj@suse.de>=09 |
| * Public domain. |
| */ |
| |
| #include <machine/asm.h> |
| |
| ENTRY(__floorl) |
| fldt 8(%rsp) |
| |
| fstcw -4(%rsp) /* store fpu control word */ |
| |
| /* We use here %edx although only the low 1 bits are defined. |
| But none of the operations should care and they are faster |
| than the 16 bit operations. */ |
| movl $0x400,%edx /* round towards -oo */ |
| orl -4(%rsp),%edx |
| andl $0xf7ff,%edx |
| movl %edx,-8(%rsp) |
| fldcw -8(%rsp) /* load modified control word */ |
| |
| frndint /* round */ |
| |
| fldcw -4(%rsp) /* restore original control word */ |
| |
| ret |
| END (__floorl) |
| weak_alias (__floorl, floorl) |
