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// Test result extraction of mac instructions.
// Test basic edge values
// SIGNED INTEGER mode into SINGLE destination register
// test ops: "+="
# mach: bfin
.include "testutils.inc"
start
// load r0=0x80000001
// load r1=0x80007fff
// load r2=0xf0000000
// load r3=0x0000007f
// load r4=0x00000080
loadsym P0, data0;
R0 = [ P0 ++ ];
R1 = [ P0 ++ ];
R2 = [ P0 ++ ];
R3 = [ P0 ++ ];
R4 = [ P0 ++ ];
// integer extraction with no saturation
// 0x1 * 0x1 = 0x0000000001 -> 0x1
A1 = A0 = 0;
R5.H = (A1 += R0.L * R0.L), R5.L = (A0 += R0.L * R0.L) (IS);
DBGA ( R5.L , 0x1 );
DBGA ( R5.H , 0x1 );
// integer extraction with positive saturation
// 0x7fff * 0x7f -> 0x7fff
A1 = A0 = 0;
R5.H = (A1 += R1.L * R3.L), R5.L = (A0 += R1.L * R3.L) (IS);
DBGA ( R5.L , 0x7fff );
DBGA ( R5.H , 0x7fff );
// integer extraction with negative saturation
// 0x8000 * 0x7f -> 0x8000
A1 = A0 = 0;
R5.H = (A1 += R1.H * R3.L), R5.L = (A0 += R1.H * R3.L) (IS);
DBGA ( R5.L , 0x8000 );
DBGA ( R5.H , 0x8000 );
pass
.data;
data0:
.dw 0x0001
.dw 0x8000
.dw 0x7fff
.dw 0x8000
.dw 0x0000
.dw 0xf000
.dw 0x007f
.dw 0x0000
.dw 0x0080
.dw 0x0000
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