93 lines
1.6 KiB
ArmAsm
93 lines
1.6 KiB
ArmAsm
// Test extraction from accumulators:
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// SIGNED FRACTIONAL and SIGNED INT mode into register PAIR
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# mach: bfin
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.include "testutils.inc"
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start
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// load r0=0x7ffffff0
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// load r1=0xfffffff0
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// load r2=0x0fffffff
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// load r3=0x80100000
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// load r4=0x000000ff
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loadsym P0, data0;
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R0 = [ P0 ++ ];
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R1 = [ P0 ++ ];
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R2 = [ P0 ++ ];
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R3 = [ P0 ++ ];
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R4 = [ P0 ++ ];
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// extract
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// 0x007ffffff0 -> 0x7fffffff0
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A1 = A0 = 0;
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A1.w = R0;
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A0.w = R0;
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R7 = A1, R6 = A0;
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DBGA ( R7.L , 0xfff0 );
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DBGA ( R7.H , 0x7fff );
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DBGA ( R6.L , 0xfff0 );
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DBGA ( R6.H , 0x7fff );
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// extract with saturate
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// 0x00fffffff0 -> 0x7ffffffff
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A1 = A0 = 0;
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A1.w = R1;
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A0.w = R1;
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R7 = A1, R6 = A0;
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DBGA ( R7.L , 0xffff );
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DBGA ( R7.H , 0x7fff );
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DBGA ( R6.L , 0xffff );
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DBGA ( R6.H , 0x7fff );
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// extract with saturate negative
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// 0xff0ffffff0 -> 0x80000000
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A1 = A0 = 0;
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A1.w = R2;
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A0.w = R2;
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A1.x = R4.L;
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A0.x = R4.L;
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R7 = A1, R6 = A0;
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DBGA ( R7.L , 0x0000 );
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DBGA ( R7.H , 0x8000 );
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DBGA ( R6.L , 0x0000 );
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DBGA ( R6.H , 0x8000 );
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// extract integer (same as fract)
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// 0x007ffffff0 -> 0x7fffffff0
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A1 = A0 = 0;
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A1.w = R0;
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A0.w = R0;
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R7 = A1, R6 = A0 (IS);
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DBGA ( R7.L , 0xfff0 );
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DBGA ( R7.H , 0x7fff );
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DBGA ( R6.L , 0xfff0 );
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DBGA ( R6.H , 0x7fff );
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// extract with saturate negative
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// 0xff0ffffff0 -> 0x80000000
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A1 = A0 = 0;
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A1.w = R2;
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A0.w = R2;
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A1.x = R4.L;
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A0.x = R4.L;
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R7 = A1, R6 = A0 (IS);
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DBGA ( R7.L , 0x0000 );
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DBGA ( R7.H , 0x8000 );
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DBGA ( R6.L , 0x0000 );
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DBGA ( R6.H , 0x8000 );
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pass
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.data
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data0:
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.dw 0xfff0
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.dw 0x7fff
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.dw 0xfff0
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.dw 0xffff
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.dw 0xffff
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.dw 0x0fff
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.dw 0x0000
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.dw 0x8010
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.dw 0x00ff
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.dw 0x0000
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