derek.holloway
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78 lines
1.2 KiB
ArmAsm
78 lines
1.2 KiB
ArmAsm
// Shifter test program.
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// Test instructions
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// RL0 = SIGNBITS R1;
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// RL0 = SIGNBITS RL1;
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// RL0 = SIGNBITS RH1;
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# mach: bfin
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.include "testutils.inc"
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start
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// on 32-b word
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R1.L = 0xffff;
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R1.H = 0x7fff;
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R0.L = SIGNBITS R1;
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DBGA ( R0.L , 0x0000 );
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R1.L = 0xffff;
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R1.H = 0x30ff;
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R0.L = SIGNBITS R1;
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DBGA ( R0.L , 0x0001 );
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R1.L = 0xff0f;
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R1.H = 0x10ff;
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R0.L = SIGNBITS R1;
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DBGA ( R0.L , 0x0002 );
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R1.L = 0xff0f;
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R1.H = 0xe0ff;
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R0.L = SIGNBITS R1;
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DBGA ( R0.L , 0x0002 );
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R1.L = 0x0001;
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R1.H = 0x0000;
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R0.L = SIGNBITS R1;
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DBGA ( R0.L , 0x0001e );
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R1.L = 0xfffe;
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R1.H = 0xffff;
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R0.L = SIGNBITS R1;
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DBGA ( R0.L , 0x0001e );
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R1.L = 0xffff; // return largest norm for -1
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R1.H = 0xffff;
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R0.L = SIGNBITS R1;
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DBGA ( R0.L , 0x0001f );
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R1.L = 0; // return largest norm for zero
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R1.H = 0;
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R0.L = SIGNBITS R1;
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DBGA ( R0.L , 0x001f );
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// on 16-b word
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R1.L = 0x7fff;
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R1.H = 0xffff;
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R0.L = SIGNBITS R1.L;
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DBGA ( R0.L , 0x0000 );
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R1.L = 0x0fff;
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R1.H = 0x0001;
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R0.L = SIGNBITS R1.H;
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DBGA ( R0.L , 0x000e );
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R1.L = 0x0fff;
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R1.H = 0xffff;
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R0.L = SIGNBITS R1.H;
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DBGA ( R0.L , 0x000f );
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R1.L = 0x0fff;
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R1.H = 0xfffe;
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R0.L = SIGNBITS R1.H;
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DBGA ( R0.L , 0x000e );
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pass
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