| /* |
| * tests for load/store instruction relaxation |
| * |
| * Author: libin |
| */ |
| |
| .include "relaxation_macro.h" |
| |
| .macro _ls_op_pattern insn |
| .balign 2 |
| insn_32 "\insn r0, [r0,0]" |
| insn_32 "\insn r15, [r0,0]" |
| insn_32 "\insn r0, [r7,0]" |
| insn_32 "\insn r15, [r7,0]" |
| /* NOTE: offset MUST be word aligned */ |
| insn_32 "\insn r0, [r0,124]" |
| insn_32 "\insn r15, [r0,124]" |
| insn_32 "\insn r0, [r7,124]" |
| insn_32 "\insn r15, [r7,124]" |
| |
| tran_16_32 "\insn! r0,[r0,124]", "\insn r0,[r0,124]" |
| |
| /* shouldn't alter */ |
| insn_32 "\insn r16, [r0, 0]" |
| insn_32 "\insn r0, [r8, 124]" |
| insn_32 "\insn r16, [r8, 124]" |
| insn_32 "\insn r0, [r7, -1]" |
| insn_32 "\insn r0, [r7, 128]" |
| .endm |
| |
| .text |
| /* lw/sw rD,[rA,SImm15] -> lw!/sw! rD,[rA,Imm5] */ |
| _ls_op_pattern "lw" |
| _ls_op_pattern "sw" |
| |
| /* ldi rD,SImm16 -> ldiu! rD,Imm6 */ |
| .balign 2 |
| insn_32 "ldi r0, 0" |
| insn_32 "ldi r15, 0" |
| insn_32 "ldi r0, 31" |
| insn_32 "ldi r15, 31" |
| |
| tran_16_32 "ldiu! r0, 0", "ldi r0, 0" |
| |
| /* shouldn't alter */ |
| insn_32 "ldi r16, 0" |
| insn_32 "ldi r0, -1" |
| insn_32 "ldi r0, 32" |
| insn_32 "ldi r16, 32" |
| |
| /* |
| * lw rD,[rA]+,SImm12 -> pop! rD |
| * |
| * r0: stack pointer(sp) |
| */ |
| insn_32 "lw r2, [r0]+, 4" |
| insn_32 "lw r15, [r0]+, 4" |
| |
| /* shouldn't alter */ |
| insn_32 "lw r16, [r0]+, 4" |
| insn_32 "lw r4, [r2]+, 4" |
| insn_32 "lw r4, [r0]+, -4" |
| |
| /* sw rD,[rA,SImm12]+ -> push! rD */ |
| insn_32 "sw r2, [r0, -4]+" |
| insn_32 "sw r15, [r0, -4]+" |
| |
| /* shouldn't alter */ |
| insn_32 "sw r16, [r0, -4]+" |
| insn_32 "sw r4, [r2, -4]+" |
| insn_32 "sw r4, [r0, 4]+" |
