63 lines
970 B
ArmAsm
63 lines
970 B
ArmAsm
# mach: bfin
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// Test extraction from accumulators:
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// ROUND/TRUNCATE in UNSIGNED FRACTIONAL mode
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// test ops: "+="
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.include "testutils.inc"
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start
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// load r0=0xfffef000
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// load r1=0xfffff000
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// load r2=0x00008000
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// load r3=0x00018000
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// load r4=0x0000007f
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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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// round
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// 0x00fffef000 -> 0xffff
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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 (FU);
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DBGA ( R5.L , 0xffff );
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DBGA ( R5.H , 0xffff );
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// truncate
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// 0x00fffef00 -> 0xfffe
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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 (TFU);
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DBGA ( R5.L , 0xfffe );
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DBGA ( R5.H , 0xfffe );
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// round
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// 0x00fffff000 -> 0xffff
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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 (FU);
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DBGA ( R5.L , 0xffff );
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DBGA ( R5.H , 0xffff );
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pass
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.data;
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data0:
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.dw 0xf000
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.dw 0xfffe
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.dw 0xf000
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.dw 0xffff
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.dw 0x8000
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.dw 0x0000
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.dw 0x8000
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.dw 0x0001
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.dw 0x007f
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.dw 0x0000
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