350 lines
7.8 KiB
ArmAsm
350 lines
7.8 KiB
ArmAsm
// reg-based SHIFT test program.
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// Test r4 = ASHIFT (r2 by rl3);
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// Test r4 = LSHIFT (r2 by rl3);
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# mach: bfin
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.include "testutils.inc"
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start
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R0.L = 0x0001;
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R0.H = 0x8000;
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// arithmetic
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// left by 31
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// 8000 0001 -> 8000 0000
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R7 = 0;
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ASTAT = R7;
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R3.L = 31;
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R3.H = 0;
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R6 = ASHIFT R0 BY R3.L;
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DBGA ( R6.L , 0x0000 );
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DBGA ( R6.H , 0x8000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// left by 32
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// 8000 0001 -> 8000 0000
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R7 = 0;
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ASTAT = R7;
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R3.L = 32;
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R3.H = 0;
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R6 = ASHIFT R0 BY R3.L;
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DBGA ( R6.L , 0xffff );
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DBGA ( R6.H , 0xffff );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// left by 40
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// 8000 0001 -> 8000 0000
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R7 = 0;
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ASTAT = R7;
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R3.L = 40;
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R3.H = 0;
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R6 = ASHIFT R0 BY R3.L;
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DBGA ( R6.L , 0xFF80 );
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DBGA ( R6.H , 0xFFFF );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// left by -32
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// 8000 0001 -> 8000 0000
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R7 = 0;
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ASTAT = R7;
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R3.L = -32;
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R3.H = 0;
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R6 = ASHIFT R0 BY R3.L;
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DBGA ( R6.L , 0xffff );
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DBGA ( R6.H , 0xffff );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// left by 63 (off scale)
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// 8000 0001 -> 0000 0000
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R7 = 0;
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ASTAT = R7;
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R0.L = 1;
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R0.H = 0;
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R3.L = 63;
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R3.H = 0;
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R6 = ASHIFT R0 BY R3.L;
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DBGA ( R6.L , 0x0000 );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// left by 255 looks like -1 (mask 7 bits)
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// 8000 0001 -> 0000 0000
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R7 = 0;
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ASTAT = R7;
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R0.L = 0x0100;
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R0.H = 0;
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R3.L = 255;
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R3.H = 0;
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R6 = ASHIFT R0 BY R3.L;
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DBGA ( R6.L , 0x0080 );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// left by 1
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// 8000 0001 -> 0000 0002
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R0.L = 0x0001;
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R0.H = 0x8000;
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R3.L = 1;
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R3.H = 0;
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R6 = ASHIFT R0 BY R3.L;
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DBGA ( R6.L , 0x0002 );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// right by 1
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// 8000 0001 -> 0000 0002
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R0.L = 0x0001;
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R0.H = 0x8000;
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R3.L = -1;
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R3.H = 0;
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R6 = ASHIFT R0 BY R3.L;
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DBGA ( R6.L , 0x0000 );
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DBGA ( R6.H , 0xc000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// arithmetic
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// right by -31
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// 8000 0001 -> ffff ffff
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R0.L = 0x0001;
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R0.H = 0x8000;
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R3.L = -31;
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R3.H = 0;
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R6 = ASHIFT R0 BY R3.L;
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DBGA ( R6.L , 0xffff );
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DBGA ( R6.H , 0xffff );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// logic
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// left by largest positive magnitude of 31 (0x1f)
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// 8000 0001 -> 8000 0000
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R0.L = 0x0001;
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R0.H = 0x8000;
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R3.L = 31;
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R3.H = 0;
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R6 = ASHIFT R0 BY R3.L;
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DBGA ( R6.L , 0x0000 );
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DBGA ( R6.H , 0x8000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// logic
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// left by 1
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// 8000 0001 -> 0000 0002
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R0.L = 0x0001;
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R0.H = 0x8000;
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R3.L = 1;
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R3.H = 0;
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R6 = LSHIFT R0 BY R3.L;
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DBGA ( R6.L , 0x0002 );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// logic
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// right by 1
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// 8000 0001 -> 4000 0000
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R0.L = 0x0001;
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R0.H = 0x8000;
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R3.L = -1;
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R3.H = 0;
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R6 = LSHIFT R0 BY R3.L;
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DBGA ( R6.L , 0x0000 );
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DBGA ( R6.H , 0x4000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// logic
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// right by largest negative magnitude of -31
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// 8000 0001 -> 0000 0001
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R0.L = 0x0001;
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R0.H = 0x8000;
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R3.L = -31;
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R3.H = 0;
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R6 = LSHIFT R0 BY R3.L;
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DBGA ( R6.L , 0x0001 );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// logic
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// right by -32
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// 8000 0001 -> 0000 0001
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R0.L = 0x0001;
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R0.H = 0x8000;
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R3.L = -32;
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R3.H = 0;
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R6 = LSHIFT R0 BY R3.L;
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DBGA ( R6.L , 0x0000 );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// logic
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// by +40
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// 8000 0001 -> 0000 0001
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R0.L = 0x0001;
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R0.H = 0x8000;
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R3.L = 40;
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R3.H = 0;
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R6 = LSHIFT R0 BY R3.L;
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DBGA ( R6.L , 0x0080 );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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// rot
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// left by 1
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// 8000 0001 -> 0000 0002 cc=1
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R7 = 0;
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CC = R7;
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R6 = ROT R0 BY 1;
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DBGA ( R6.L , 0x0002 );
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DBGA ( R6.H , 0x0000 );
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R7 = CC; DBGA ( R7.L , 0x0001 );
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// rot
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// right by -1
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// 8000 0001 -> 4000 0000 cc=1
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R7 = 0;
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CC = R7;
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R6 = ROT R0 BY -1;
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DBGA ( R6.L , 0x0000 );
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DBGA ( R6.H , 0x4000 );
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R7 = CC; DBGA ( R7.L , 0x0001 );
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// rot
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// right by largest positive magnitude of 31
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// 8000 0001 -> a000 0000 cc=0
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R7 = 0;
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CC = R7;
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R6 = ROT R0 BY 31;
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DBGA ( R6.L , 0x0000 );
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DBGA ( R6.H , 0xa000 );
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R7 = CC; DBGA ( R7.L , 0x0000 );
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// rot
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// right by largest positive magnitude of 31 with cc=1
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// 8000 0001 cc=1 -> a000 0000 cc=0
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R7 = 1;
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CC = R7;
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R6 = ROT R0 BY 31;
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DBGA ( R6.L , 0x0000 );
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DBGA ( R6.H , 0xe000 );
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R7 = CC; DBGA ( R7.L , 0x0000 );
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// rot
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// right by largest negative magnitude of -31
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// 8000 0001 -> 0000 0005 cc=0
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R7 = 0;
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CC = R7;
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R6 = ROT R0 BY -31;
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DBGA ( R6.L , 0x0005 );
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DBGA ( R6.H , 0x0000 );
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R7 = CC; DBGA ( R7.L , 0x0000 );
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// rot
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// right by largest negative magnitude of -31 with cc=1
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// 8000 0001 cc=1 -> 0000 0007 cc=0
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R7 = 1;
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CC = R7;
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R6 = ROT R0 BY -31;
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DBGA ( R6.L , 0x0007 );
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DBGA ( R6.H , 0x0000 );
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R7 = CC; DBGA ( R7.L , 0x0000 );
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// rot
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// left by 7
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// 8000 0001 cc=1 -> 0000 00e0 cc=0
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R7 = 1;
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CC = R7;
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R6 = ROT R0 BY 7;
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DBGA ( R6.L , 0x00e0 );
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DBGA ( R6.H , 0x0000 );
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R7 = CC; DBGA ( R7.L , 0x0000 );
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// rot by zero
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// 8000 0001 -> 8000 000
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R7 = 1;
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CC = R7;
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R6 = ROT R0 BY 0;
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DBGA ( R6.L , 0x0001 );
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DBGA ( R6.H , 0x8000 );
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R7 = CC; DBGA ( R7.L , 0x0001 );
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// 0 by 1
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R7 = 0;
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R0 = 0;
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ASTAT = R7;
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R6 = R0 << 1;
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DBGA ( R6.L , 0x0000 );
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DBGA ( R6.H , 0x0000 );
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CC = AZ; R7 = CC; DBGA ( R7.L , 0x1 );
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CC = AN; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV0; R7 = CC; DBGA ( R7.L , 0x0 );
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CC = AV1; R7 = CC; DBGA ( R7.L , 0x0 );
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pass
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