| 1 | /* |
| 2 | * tests for load/store instruction relaxation |
| 3 | * |
| 4 | * Author: libin |
| 5 | */ |
| 6 | |
| 7 | .include "relaxation_macro.h" |
| 8 | |
| 9 | .macro _ls_op_pattern insn |
| 10 | .balign 2 |
| 11 | insn_32 "\insn r0, [r0,0]" |
| 12 | insn_32 "\insn r15, [r0,0]" |
| 13 | insn_32 "\insn r0, [r7,0]" |
| 14 | insn_32 "\insn r15, [r7,0]" |
| 15 | /* NOTE: offset MUST be word aligned */ |
| 16 | insn_32 "\insn r0, [r0,124]" |
| 17 | insn_32 "\insn r15, [r0,124]" |
| 18 | insn_32 "\insn r0, [r7,124]" |
| 19 | insn_32 "\insn r15, [r7,124]" |
| 20 | |
| 21 | tran_16_32 "\insn! r0,[r0,124]", "\insn r0,[r0,124]" |
| 22 | |
| 23 | /* shouldn't alter */ |
| 24 | insn_32 "\insn r16, [r0, 0]" |
| 25 | insn_32 "\insn r0, [r8, 124]" |
| 26 | insn_32 "\insn r16, [r8, 124]" |
| 27 | insn_32 "\insn r0, [r7, -1]" |
| 28 | insn_32 "\insn r0, [r7, 128]" |
| 29 | .endm |
| 30 | |
| 31 | .text |
| 32 | /* lw/sw rD,[rA,SImm15] -> lw!/sw! rD,[rA,Imm5] */ |
| 33 | _ls_op_pattern "lw" |
| 34 | _ls_op_pattern "sw" |
| 35 | |
| 36 | /* ldi rD,SImm16 -> ldiu! rD,Imm6 */ |
| 37 | .balign 2 |
| 38 | insn_32 "ldi r0, 0" |
| 39 | insn_32 "ldi r15, 0" |
| 40 | insn_32 "ldi r0, 31" |
| 41 | insn_32 "ldi r15, 31" |
| 42 | |
| 43 | tran_16_32 "ldiu! r0, 0", "ldi r0, 0" |
| 44 | |
| 45 | /* shouldn't alter */ |
| 46 | insn_32 "ldi r16, 0" |
| 47 | insn_32 "ldi r0, -1" |
| 48 | insn_32 "ldi r0, 32" |
| 49 | insn_32 "ldi r16, 32" |
| 50 | |
| 51 | /* |
| 52 | * lw rD,[rA]+,SImm12 -> pop! rD |
| 53 | * |
| 54 | * r0: stack pointer(sp) |
| 55 | */ |
| 56 | insn_32 "lw r2, [r0]+, 4" |
| 57 | insn_32 "lw r15, [r0]+, 4" |
| 58 | |
| 59 | /* shouldn't alter */ |
| 60 | insn_32 "lw r16, [r0]+, 4" |
| 61 | insn_32 "lw r4, [r2]+, 4" |
| 62 | insn_32 "lw r4, [r0]+, -4" |
| 63 | |
| 64 | /* sw rD,[rA,SImm12]+ -> push! rD */ |
| 65 | insn_32 "sw r2, [r0, -4]+" |
| 66 | insn_32 "sw r15, [r0, -4]+" |
| 67 | |
| 68 | /* shouldn't alter */ |
| 69 | insn_32 "sw r16, [r0, -4]+" |
| 70 | insn_32 "sw r4, [r2, -4]+" |
| 71 | insn_32 "sw r4, [r0, 4]+" |