Rev 845 | Rev 982 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 845 | Rev 860 | ||
---|---|---|---|
Line 83... | Line 83... | ||
83 | bdnz 8b |
83 | bdnz 8b |
84 | 84 | ||
85 | blr |
85 | blr |
86 | 86 | ||
87 | memcpy: |
87 | memcpy: |
- | 88 | srwi. r7, r5, 3 |
|
- | 89 | addi r6, r3, -4 |
|
- | 90 | addi r4, r4, -4 |
|
88 | # TODO |
91 | beq 2f |
- | 92 | ||
- | 93 | andi. r0, r6, 3 |
|
- | 94 | mtctr r7 |
|
- | 95 | bne 5f |
|
- | 96 | ||
- | 97 | 1: |
|
- | 98 | ||
- | 99 | lwz r7, 4(r4) |
|
- | 100 | lwzu r8, 8(r4) |
|
- | 101 | stw r7, 4(r6) |
|
- | 102 | stwu r8, 8(r6) |
|
- | 103 | bdnz 1b |
|
- | 104 | ||
- | 105 | andi. r5, r5, 7 |
|
- | 106 | ||
- | 107 | 2: |
|
- | 108 | ||
- | 109 | cmplwi 0, r5, 4 |
|
- | 110 | blt 3f |
|
- | 111 | ||
- | 112 | lwzu r0, 4(r4) |
|
- | 113 | addi r5, r5, -4 |
|
- | 114 | stwu r0, 4(r6) |
|
- | 115 | ||
- | 116 | 3: |
|
- | 117 | ||
- | 118 | cmpwi 0, r5, 0 |
|
- | 119 | beqlr |
|
- | 120 | mtctr r5 |
|
- | 121 | addi r4, r4, 3 |
|
- | 122 | addi r6, r6, 3 |
|
- | 123 | ||
- | 124 | 4: |
|
- | 125 | ||
- | 126 | lbzu r0, 1(r4) |
|
- | 127 | stbu r0, 1(r6) |
|
- | 128 | bdnz 4b |
|
89 | blr |
129 | blr |
- | 130 | ||
- | 131 | 5: |
|
- | 132 | ||
- | 133 | subfic r0, r0, 4 |
|
- | 134 | mtctr r0 |
|
- | 135 | ||
- | 136 | 6: |
|
- | 137 | ||
- | 138 | lbz r7, 4(r4) |
|
- | 139 | addi r4, r4, 1 |
|
- | 140 | stb r7, 4(r6) |
|
- | 141 | addi r6, r6, 1 |
|
- | 142 | bdnz 6b |
|
- | 143 | subf r5, r0, r5 |
|
- | 144 | rlwinm. r7, r5, 32-3, 3, 31 |
|
- | 145 | beq 2b |
|
- | 146 | mtctr r7 |
|
- | 147 | b 1b |