derek.holloway
7502bf64a4
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84 lines
1.4 KiB
ArmAsm
84 lines
1.4 KiB
ArmAsm
// Test ALU NEG accumulators
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# mach: bfin
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.include "testutils.inc"
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start
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R0 = 0xffffffff;
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A0.w = R0;
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R0 = 0x7f (X);
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A0.x = R0;
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A0 = - A0;
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_DBG A0;
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R4 = A0.w;
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R5 = A0.x;
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DBGA ( R4.H , 0x0000 ); DBGA ( R4.L , 0x0001 );
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DBGA ( R5.H , 0xffff ); DBGA ( R5.L , 0xff80 );
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R0 = 0x1;
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A0.w = R0;
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R0 = 0x0;
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A0.x = R0;
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A0 = - A0;
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R4 = A0.w;
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R5 = A0.x;
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_DBG A0;
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DBGA ( R4.H , 0xffff ); DBGA ( R4.L , 0xffff );
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DBGA ( R5.H , 0xffff ); DBGA ( R5.L , 0xffff );
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R0 = 0xffffffff;
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A0.w = R0;
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R0 = 0xff (X);
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A0.x = R0;
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A0 = - A0;
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R4 = A0.w;
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R5 = A0.x;
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DBGA ( R4.H , 0x0000 ); DBGA ( R4.L , 0x0001 );
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DBGA ( R5.H , 0x0000 ); DBGA ( R5.L , 0x0000 );
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R0 = 0x00000000;
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A0.w = R0;
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R0 = 0x80 (X);
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A0.x = R0;
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A0 = - A0;
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R4 = A0.w;
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R5 = A0.x;
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DBGA ( R4.H , 0xffff ); DBGA ( R4.L , 0xffff );
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DBGA ( R5.H , 0x0000 ); DBGA ( R5.L , 0x007f );
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// NEG NEG
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R0 = 0x00000000;
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A0.w = R0;
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R0 = 0x80 (X);
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A0.x = R0;
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R0 = 0xffffffff;
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A1.w = R0;
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R0 = 0x7f (X);
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A1.x = R0;
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A1 = - A1, A0 = - A0;
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R4 = A0.w;
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R5 = A0.x;
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DBGA ( R4.H , 0xffff ); DBGA ( R4.L , 0xffff );
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DBGA ( R5.H , 0x0000 ); DBGA ( R5.L , 0x007f );
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R4 = A1.w;
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R5 = A1.x;
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_DBG A1;
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DBGA ( R4.H , 0x0000 ); DBGA ( R4.L , 0x0001 );
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DBGA ( R5.H , 0xffff ); DBGA ( R5.L , 0xff80 );
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// NEG NEG register
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R0.L = 0x0001;
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R0.H = 0x8000;
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R3 = - R0 (V);
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DBGA ( R3.H , 0x7fff ); DBGA ( R3.L , 0xffff );
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_DBG ASTAT;
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pass
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