diff options
author | Christopher Faylor <me@cgf.cx> | 2000-02-17 19:39:52 +0000 |
---|---|---|
committer | Christopher Faylor <me@cgf.cx> | 2000-02-17 19:39:52 +0000 |
commit | 8a0efa53e44919bcf5ccb1d3353618a82afdf8bc (patch) | |
tree | 68c3dbf3f2c6fd5d49777def9914d77b5cd4589d /newlib/libc/sys/sysvnecv70/fpx.c | |
parent | 1fd5e000ace55b323124c7e556a7a864b972a5c4 (diff) | |
download | cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.gz cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.bz2 cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.zip |
import newlib-2000-02-17 snapshot
Diffstat (limited to 'newlib/libc/sys/sysvnecv70/fpx.c')
-rw-r--r-- | newlib/libc/sys/sysvnecv70/fpx.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/newlib/libc/sys/sysvnecv70/fpx.c b/newlib/libc/sys/sysvnecv70/fpx.c new file mode 100644 index 000000000..d55a1e30f --- /dev/null +++ b/newlib/libc/sys/sysvnecv70/fpx.c @@ -0,0 +1,73 @@ +#include <ieeefp.h> +#include <machine/registers.h> + + +fp_except _DEFUN(fpsetmask,(newmask), + fp_except newmask) + +{ + fp_except oldmask; + v60_tkcw_type tkcw; + + sysv60(0, 8, &tkcw); + oldmask = tkcw.fp_trap; + tkcw.fp_trap = newmask; + sysv60(0, 8, &tkcw); + return oldmask; + +} + +fp_except _DEFUN_VOID(fpgetmask) +{ + v60_tkcw_type tkcw; + sysv60(0, 8, &tkcw); + return tkcw.fp_trap; +} + + +fp_rnd _DEFUN_VOID(fpgetround) +{ + v60_tkcw_type tkcw; + sysv60(0, 8, &tkcw); + return tkcw.fp_rounding; +} + +fp_rnd _DEFUN(fpsetround,(rnd), + fp_rnd rnd) +{ + fp_rnd oldrnd; + v60_tkcw_type tkcw; + + sysv60(0, 8, &tkcw); + oldrnd = tkcw.fp_rounding; + tkcw.fp_rounding = rnd; + sysv60(0, 8, &tkcw); + return oldrnd; +} + + + + + +fp_rdi _DEFUN_VOID(fpgetroundtoi) +{ + v60_tkcw_type tkcw; + sysv60(0, 8, &tkcw); + return tkcw.integer_rounding; +} + +fp_rdi _DEFUN(fpsetroundtoi,(rnd), + fp_rdi rnd) +{ + fp_rdi oldrnd; + v60_tkcw_type tkcw; + + sysv60(0, 8, &tkcw); + oldrnd = tkcw.integer_rounding; + tkcw.integer_rounding = rnd; + sysv60(0, 8, &tkcw); + return oldrnd; +} + + + |