Last change
on this file since 577 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
|
File size:
986 bytes
|
Line | |
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1 | #include <ieeefp.h> |
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2 | #include <machine/registers.h> |
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3 | |
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4 | |
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5 | fp_except fpsetmask (fp_except newmask) |
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6 | |
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7 | { |
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8 | fp_except oldmask; |
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9 | v60_tkcw_type tkcw; |
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10 | |
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11 | sysv60(0, 8, &tkcw); |
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12 | oldmask = tkcw.fp_trap; |
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13 | tkcw.fp_trap = newmask; |
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14 | sysv60(0, 8, &tkcw); |
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15 | return oldmask; |
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16 | |
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17 | } |
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18 | |
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19 | fp_except fpgetmask (void) |
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20 | { |
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21 | v60_tkcw_type tkcw; |
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22 | sysv60(0, 8, &tkcw); |
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23 | return tkcw.fp_trap; |
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24 | } |
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25 | |
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26 | |
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27 | fp_rnd fpgetround (void) |
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28 | { |
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29 | v60_tkcw_type tkcw; |
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30 | sysv60(0, 8, &tkcw); |
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31 | return tkcw.fp_rounding; |
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32 | } |
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33 | |
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34 | fp_rnd fpsetround (fp_rnd rnd) |
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35 | { |
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36 | fp_rnd oldrnd; |
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37 | v60_tkcw_type tkcw; |
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38 | |
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39 | sysv60(0, 8, &tkcw); |
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40 | oldrnd = tkcw.fp_rounding; |
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41 | tkcw.fp_rounding = rnd; |
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42 | sysv60(0, 8, &tkcw); |
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43 | return oldrnd; |
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44 | } |
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45 | |
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46 | |
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47 | |
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48 | |
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49 | |
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50 | fp_rdi fpgetroundtoi (void) |
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51 | { |
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52 | v60_tkcw_type tkcw; |
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53 | sysv60(0, 8, &tkcw); |
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54 | return tkcw.integer_rounding; |
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55 | } |
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56 | |
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57 | fp_rdi fpsetroundtoi (fp_rdi rnd) |
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58 | { |
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59 | fp_rdi oldrnd; |
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60 | v60_tkcw_type tkcw; |
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61 | |
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62 | sysv60(0, 8, &tkcw); |
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63 | oldrnd = tkcw.integer_rounding; |
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64 | tkcw.integer_rounding = rnd; |
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65 | sysv60(0, 8, &tkcw); |
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66 | return oldrnd; |
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67 | } |
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68 | |
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69 | |
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70 | |
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