74 lines
1.1 KiB
ArmAsm
74 lines
1.1 KiB
ArmAsm
// Test extraction from accumulators:
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// SCALE in SIGNED INTEGER mode
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# mach: bfin
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.include "testutils.inc"
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start
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// load r0=0x00000fff
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// load r1=0x00007fff
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// load r2=0xffffffff
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// load r3=0xffff0fff
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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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// SCALE
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// 0x0000000fff -> SCALE 0x1ffe
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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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R5.H = A1, R5.L = A0 (ISS2);
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DBGA ( R5.L , 0x1ffe );
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DBGA ( R5.H , 0x1ffe );
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// SCALE
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// 0x0000007fff -> SCALE 0x7fff
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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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R5.H = A1, R5.L = A0 (ISS2);
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DBGA ( R5.L , 0x7fff );
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DBGA ( R5.H , 0x7fff );
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// SCALE
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// 0xffffffffff -> SCALE 0xfffe
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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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R5.H = A1, R5.L = A0 (ISS2);
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DBGA ( R5.L , 0xfffe );
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DBGA ( R5.H , 0xfffe );
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// SCALE
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// 0xffffff0fff -> SCALE 0x8000
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A1 = A0 = 0;
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A1.w = R3;
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A0.w = R3;
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A1.x = R4.L;
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A0.x = R4.L;
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R5.H = A1, R5.L = A0 (ISS2);
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DBGA ( R5.L , 0x8000 );
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DBGA ( R5.H , 0x8000 );
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pass
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.data
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data0:
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.dw 0x0fff
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.dw 0x0000
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.dw 0x7fff
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.dw 0x0000
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.dw 0xffff
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.dw 0xffff
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.dw 0x0fff
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.dw 0xffff
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.dw 0x00ff
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.dw 0x0000
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