projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| ee1ee5b5 NC |
1 | /* |
| 2 | * test relax | |
| 3 | * lw <-> lwp! : rs = r2, offset & 0x3 == 0, offset >> 2 : 5b | |
| 4 | * lh <-> lhp! : rs = r2, offset & 0x1 == 0, offset >> 1 : 5b | |
| 5 | * lbu <-> lbu! : rs = r2, offset != 0, offset : 5b | |
| 6 | * sw <-> swp! : rs = r2, offset & 0x3 == 0, offset >> 2 : 5b | |
| 7 | * sh <-> shp! : rs = r2, offset & 0x1 == 0, offset >> 1 : 5b | |
| 8 | * sb <-> sb! : rs = r2, offset != 0, offset : 5b | |
| 9 | ||
| 10 | * Author: ligang | |
| 11 | */ | |
| 12 | ||
| 13 | /* This macro transform 32b instruction to 16b. */ | |
| 14 | .macro tran3216 insn32, insn16, shift | |
| 15 | .align 4 | |
| 16 | ||
| 17 | \insn32 r3, [r2, 0x4 << \shift] #32b -> 16b | |
| 18 | \insn16 r3, 0x4 << \shift | |
| 19 | ||
| 20 | \insn32 r4, [r2, 0xC << \shift] #32b -> 16b | |
| 21 | \insn16 r4, 0xC << \shift | |
| 22 | ||
| 23 | \insn32 r7, [r2, 0x12 << \shift] #32b -> 16b | |
| 24 | \insn32 r7, [r2, 0x12 << \shift] #32b -> 16b | |
| 25 | ||
| 26 | \insn16 r8, 0x8 << \shift | |
| 27 | \insn32 r8, [r2, 0x8 << \shift] #32b -> 16b | |
| 28 | ||
| 29 | \insn32 r5, [r2, 0x20 << \shift] #No transform | |
| 30 | \insn32 r5, [r2, 0x20 << \shift] #No transform | |
| 31 | ||
| 32 | \insn32 r6, [r6, 0x8 << \shift] #No transform | |
| 33 | \insn32 r6, [r6, 0x8 << \shift] #No transform | |
| 34 | ||
| 35 | .endm | |
| 36 | ||
| 37 | /* This macro transform 16b instruction to 32b. */ | |
| 38 | .macro tran1632 insn32, insn16, shift | |
| 39 | .align 4 | |
| 40 | ||
| 41 | \insn16 r0, 0xC #16b -> 32b | |
| 42 | \insn32 r0, [r5, 0xFF] | |
| 43 | ||
| 44 | \insn16 r15, 0x0 #16b -> 32b | |
| 45 | \insn32 r15, [r4, 0xFF] | |
| 46 | ||
| 47 | \insn16 r4, 0x8 #No transform | |
| 48 | \insn16 r4, 0x8 #No transform | |
| 49 | ||
| 50 | \insn16 r7, 0x8 #No transform | |
| 51 | \insn32 r7, [r2, 0x8 << \shift] | |
| 52 | ||
| 53 | .endm | |
| 54 | ||
| 55 | tran3216 "lw", "lwp!", 2 | |
| 56 | tran3216 "lh", "lhp!", 1 | |
| 57 | tran3216 "lbu", "lbup!", 0 | |
| 58 | tran3216 "sw", "swp!", 2 | |
| 59 | tran3216 "sh", "shp!", 1 | |
| 60 | tran3216 "sb", "sbp!", 0 | |
| 61 | ||
| 62 | tran1632 "lw", "lwp!", 2 | |
| 63 | tran1632 "lh", "lhp!", 1 | |
| 64 | tran1632 "lbu", "lbup!", 0 | |
| 65 | tran1632 "sw", "swp!", 2 | |
| 66 | tran1632 "sh", "shp!", 1 | |
| 67 | tran1632 "sb", "sbp!", 0 | |
| 68 |