/* * 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]+"