1 /* 2 * test relax 3 * pre sw <-> push! : offset == -4 4 * syntax: 5 sw rD, [rA, simm12]+ : rD and rA can be 0-31 6 push! rD, [rAg0] : rAg0 must be in 0-7, rD can be 0-31 7 8 * Author: ligang 9 */ 10 11 /* This macro transform 32b instruction to 16b. */ 12 .macro tran3216 insn32, insn16 13 .align 4 14 15 \insn32 r0, [r2, -4]+ #32b -> 16b 16 \insn16 r0, [r2] 17 18 \insn32 r23, [r7, -4]+ #32b -> 16b 19 \insn16 r23, [r7] 20 21 \insn32 r15, [r0, -4]+ #32b -> 16b 22 \insn16 r15, [r0] 23 24 \insn16 r15, [r7] 25 \insn32 r15, [r7, -4]+ #32b -> 16b 26 27 \insn32 r25, [r3, -4]+ #32b -> 16b 28 \insn32 r25, [r3, -4]+ #32b -> 16b 29 30 \insn32 r24, [r13, -4]+ #No transform 31 \insn32 r23, [r7, -5]+ #No transform 32 33 .endm 34 35 /* This macro transform 16b instruction to 32b. */ 36 .macro tran1632 insn32, insn16 37 .align 4 38 39 \insn16 r0, [r7] #16b -> 32b 40 \insn32 r25, [r13, -4]+ 41 42 \insn16 r25, [r0] #16b -> 32b 43 \insn32 r18, [r23, -4]+ 44 45 \insn16 r6, [r3] #No transform 46 \insn16 r6, [r3] #No transform 47 48 \insn16 r3, [r7] #No transform 49 \insn32 r3, [r7, -4]+ 50 51 .endm 52 53 tran3216 "sw", "push!" 54 tran1632 "sw", "push!" 55
