derek.holloway
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84 lines
1.5 KiB
ArmAsm
84 lines
1.5 KiB
ArmAsm
// Test r4 = VMAX/VMAX (r5,r1) A0>>2;
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# mach: bfin
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.include "testutils.inc"
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start
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// Both max values are in high half, hence both bits
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// into A0 are 1
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A0 = 0;
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R1.L = 0x2; // max in r1 is 3
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R1.H = 0x3;
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R0.L = 0x6; // max in r0 is 7
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R0.H = 0x7;
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R6 = VIT_MAX( R1 , R0 ) (ASR);
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DBGA ( R6.L , 0x0007 );
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DBGA ( R6.H , 0x0003 );
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R7 = A0.w;
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DBGA ( R7.L , 0x0000 );
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DBGA ( R7.H , 0xc000 );
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R7.L = A0.x;
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DBGA ( R7.L , 0x0000 );
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// max value in r1 is in low, so second bit into A0 is zero
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A0 = 0;
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R1.L = 0x3; // max in r1 is 3
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R1.H = 0x2;
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R0.L = 0x6; // max in r0 is 7
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R0.H = 0x7;
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R6 = VIT_MAX( R1 , R0 ) (ASR);
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DBGA ( R6.L , 0x0007 );
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DBGA ( R6.H , 0x0003 );
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R7 = A0.w;
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DBGA ( R7.L , 0x0000 );
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DBGA ( R7.H , 0x4000 );
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R7.L = A0.x;
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DBGA ( R7.L , 0x0000 );
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// both max values in low, so both bits into A0 are zero
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R0.L = 0x8000;
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R0.H = 0x0;
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A0.w = R0;
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R1.L = 0x3; // max in r1 is 3
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R1.H = 0x2;
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R0.L = 0x7; // max in r0 is 7
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R0.H = 0x6;
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R6 = VIT_MAX( R1 , R0 ) (ASR);
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DBGA ( R6.L , 0x0007 );
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DBGA ( R6.H , 0x0003 );
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R7 = A0.w;
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DBGA ( R7.L , 0x2000 );
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DBGA ( R7.H , 0x0000 );
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R7.L = A0.x;
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DBGA ( R7.L , 0x0000 );
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// Test for correct max when one value overflows
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A0 = 0;
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R1.L = 0x7fff; // max in r1 is 0x8001 (overflowed)
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R1.H = 0x8001;
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R0.L = 0x6; // max in r0 is 7
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R0.H = 0x7;
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R6 = VIT_MAX( R1 , R0 ) (ASR);
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DBGA ( R6.L , 0x0007 );
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DBGA ( R6.H , 0x8001 );
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R7 = A0.w;
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DBGA ( R7.L , 0x0000 );
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DBGA ( R7.H , 0xc000 );
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R7.L = A0.x;
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DBGA ( R7.L , 0x0000 );
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pass
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