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]+" 72
