68 lines
995 B
ArmAsm
68 lines
995 B
ArmAsm
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# Blackfin testcase for link/unlink instructions
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# mach: bfin
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.include "testutils.inc"
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start
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/* give FP/RETS known/different values */
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R7.H = 0xdead;
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R7.L = 0x1234;
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RETS = R7;
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R6 = R7;
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R6 += 0x23;
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FP = R6;
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/* SP should have moved by -8 bytes (to push FP/RETS) */
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R0 = SP;
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LINK 0;
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R1 = SP;
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R1 += 8;
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CC = R0 == R1;
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IF !CC JUMP 1f;
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/* FP should now have the same value as SP */
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R1 = SP;
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R2 = FP;
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CC = R1 == R2;
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IF !CC JUMP 1f;
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/* make sure FP/RETS on the stack have our known values */
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R1 = [SP];
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CC = R1 == R6;
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IF !CC JUMP 1f;
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R1 = [SP + 4];
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CC = R1 == R7;
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IF !CC JUMP 1f;
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/* UNLINK should:
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* assign SP to current FP
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* adjust SP by -8 bytes
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* restore RETS/FP from the stack
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*/
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R4 = 0;
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RETS = R4;
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R0 = SP;
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UNLINK;
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/* Check new SP */
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R1 = SP;
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R1 += -0x8;
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CC = R1 == R0;
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IF !CC JUMP 1f;
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/* Check restored RETS */
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R1 = RETS;
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CC = R1 == R7;
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IF !CC JUMP 1f;
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/* Check restored FP */
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R1 = FP;
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CC = R1 == R6;
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IF !CC JUMP 1f;
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pass
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1:
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fail
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