notaz.gp2x.de / pcsx_rearmed.git / blame
| Commit | Line | Data |
|---|---|---|
| ba86ff93 PC |
1 | .data 4096 |
| 2 | pop_tab: | |
| 3 | .c 0 1 1 2 1 2 2 3 1 2 2 3 2 3 3 4 1 2 2 3 2 3 3 4 2 3 3 4 3 4 4 5 1 2 2 3 2 3 3 4 2 3 3 4 3 4 4 5 2 3 3 4 3 4 4 5 3 4 4 5 4 5 5 6 1 2 2 3 2 3 3 4 2 3 3 4 3 4 4 5 2 3 3 4 3 4 4 5 3 4 4 5 4 5 5 6 2 3 3 4 3 4 4 5 3 4 4 5 4 5 5 6 3 4 4 5 4 5 5 6 4 5 5 6 5 6 6 7 1 2 2 3 2 3 3 4 2 3 3 4 3 4 4 5 2 3 3 4 3 4 4 5 3 4 4 5 4 5 5 6 2 3 3 4 3 4 4 5 3 4 4 5 4 5 5 6 3 4 4 5 4 5 5 6 4 5 5 6 5 6 6 7 2 3 3 4 3 4 4 5 3 4 4 5 4 5 5 6 3 4 4 5 4 5 5 6 4 5 5 6 5 6 6 7 3 4 4 5 4 5 5 6 4 5 5 6 5 6 6 7 4 5 5 6 5 6 6 7 5 6 6 7 6 7 7 8 | |
| 4 | ok: | |
| 5 | .c "ok\n" | |
| 6 | fmt: | |
| 7 | #if __WORDSIZE == 32 | |
| 8 | .c "0x%08lx = %d\n" | |
| 9 | #else | |
| 10 | .c "0x%016lx = %d\n" | |
| 11 | #endif | |
| 12 | ||
| 13 | #define BIT2(OP, ARG, RES, R0, R1) \ | |
| 14 | movi %R1 ARG \ | |
| 15 | OP##r %R0 %R1 \ | |
| 16 | beqi OP##R0##R1##ARG %R0 RES \ | |
| 17 | calli @abort \ | |
| 18 | OP##R0##R1##ARG: | |
| 19 | ||
| 20 | #define BIT1(OP, ARG, RES, V0, V1, V2, R0, R1, R2) \ | |
| 21 | BIT2(OP, ARG, RES, V0, V0) \ | |
| 22 | BIT2(OP, ARG, RES, V0, V1) \ | |
| 23 | BIT2(OP, ARG, RES, V0, V2) \ | |
| 24 | BIT2(OP, ARG, RES, V0, R0) \ | |
| 25 | BIT2(OP, ARG, RES, V0, R1) \ | |
| 26 | BIT2(OP, ARG, RES, V0, R2) | |
| 27 | ||
| 28 | #define BIT(OP, ARG, RES, V0, V1, V2, R0, R1, R2) \ | |
| 29 | BIT1(OP, ARG, RES, V1, V2, R0, R1, R2, V0) \ | |
| 30 | BIT1(OP, ARG, RES, V2, R0, R1, R2, V0, V1) \ | |
| 31 | BIT1(OP, ARG, RES, R0, R1, R2, V0, V1, V2) \ | |
| 32 | BIT1(OP, ARG, RES, R1, R2, V0, V1, V2, R0) \ | |
| 33 | BIT1(OP, ARG, RES, R2, V0, V1, V2, R0, R1) | |
| 34 | ||
| 35 | #define POPCNT(ARG, RES) \ | |
| 36 | BIT(popcnt, ARG, RES, v0, v1, v2, r0, r1, r2) | |
| 37 | ||
| 38 | .code | |
| 39 | jmpi main | |
| 40 | name popcnt | |
| 41 | popcnt: | |
| 42 | prolog | |
| 43 | arg $in | |
| 44 | getarg %r1 $in | |
| 45 | extr_uc %r2 %r1 | |
| 46 | movi %v0 pop_tab | |
| 47 | ldxr_uc %r0 %v0 %r2 | |
| 48 | movi %v1 8 | |
| 49 | popcnt_loop: | |
| 50 | rshr %r2 %r1 %v1 | |
| 51 | extr_uc %r2 %r2 | |
| 52 | ldxr_uc %r2 %v0 %r2 | |
| 53 | addr %r0 %r0 %r2 | |
| 54 | addi %v1 %v1 8 | |
| 55 | blti popcnt_loop %v1 __WORDSIZE | |
| 56 | retr %r0 | |
| 57 | epilog | |
| 58 | ||
| 59 | #if 0 | |
| 60 | name main | |
| 61 | main: | |
| 62 | prolog | |
| 63 | arg $argc | |
| 64 | arg $argv | |
| 65 | getarg %r0 $argc | |
| 66 | bnei default %r0 2 | |
| 67 | getarg %v0 $argv | |
| 68 | ldxi %r0 %v0 $(__WORDSIZE >> 3) | |
| 69 | prepare | |
| 70 | pushargr %r0 | |
| 71 | pushargi 0 | |
| 72 | pushargi 0 | |
| 73 | finishi @strtoul | |
| 74 | retval %v0 | |
| 75 | jmpi main_do | |
| 76 | default: | |
| 77 | #if __WORDSIZE == 32 | |
| 78 | movi %v0 0x8a13c851 | |
| 79 | #else | |
| 80 | movi %v0 0x984a137ffec85219 | |
| 81 | #endif | |
| 82 | main_do: | |
| 83 | prepare | |
| 84 | pushargr %v0 | |
| 85 | finishi popcnt | |
| 86 | retval %r0 | |
| 87 | prepare | |
| 88 | pushargi fmt | |
| 89 | ellipsis | |
| 90 | pushargr %v0 | |
| 91 | pushargr %r0 | |
| 92 | finishi @printf | |
| 93 | ||
| 94 | popcntr %r0 %v0 | |
| 95 | prepare | |
| 96 | pushargi fmt | |
| 97 | ellipsis | |
| 98 | pushargr %v0 | |
| 99 | pushargr %r0 | |
| 100 | finishi @printf | |
| 101 | ||
| 102 | ret | |
| 103 | epilog | |
| 104 | #else | |
| 105 | ||
| 106 | name main | |
| 107 | main: | |
| 108 | prolog | |
| 109 | #if __WORDSIZE == 32 | |
| 110 | POPCNT(0x8a13c851, 12) | |
| 111 | POPCNT(0x12345678, 13) | |
| 112 | POPCNT(0x02468ace, 12) | |
| 113 | #else | |
| 114 | POPCNT(0x984a137ffec85219, 32) | |
| 115 | POPCNT(0x123456789abcdef0, 32) | |
| 116 | POPCNT(0x02468ace013579bd, 28) | |
| 117 | #endif | |
| 118 | prepare | |
| 119 | pushargi ok | |
| 120 | finishi @printf | |
| 121 | reti 0 | |
| 122 | epilog | |
| 123 | #endif |