diff options
Diffstat (limited to 'sim/testsuite/bfin/m8.s')
| -rw-r--r-- | sim/testsuite/bfin/m8.s | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/sim/testsuite/bfin/m8.s b/sim/testsuite/bfin/m8.s new file mode 100644 index 0000000..fe8507f --- /dev/null +++ b/sim/testsuite/bfin/m8.s @@ -0,0 +1,54 @@ +// MAC test program. +// Test result extraction of mac instructions. +// Test basic edge values +// UNSIGNED INTEGER mode into SINGLE destination register +// test ops: "+=" +# mach: bfin + +.include "testutils.inc" + start + + +// load r0=0x80000002 +// load r1=0x80007fff +// load r2=0xf0000000 +// load r3=0x0000007f +// load r4=0x00000080 +// load r5=0xffffffff + loadsym P0, data0; + R0 = [ P0 ++ ]; + R1 = [ P0 ++ ]; + R2 = [ P0 ++ ]; + R3 = [ P0 ++ ]; + R4 = [ P0 ++ ]; + R5 = [ P0 ++ ]; + +// 0x0002 * 0x0002 = 0x0000000004 -> 0x0004 + A1 = A0 = 0; + R5.H = (A1 += R0.L * R0.L), R5.L = (A0 += R0.L * R0.L) (IU); + DBGA ( R5.L , 0x4 ); + DBGA ( R5.H , 0x4 ); + +// 0x7fff * 0x007f = 0x00003f7f81 -> 0xffff + A1 = A0 = 0; + R5.H = (A1 += R1.L * R3.L), R5.L = (A0 += R1.L * R3.L) (IU); + R5.H = (A1 += R1.L * R3.L), R5.L = (A0 += R1.L * R3.L) (IU); + DBGA ( R5.L , 0xffff ); + DBGA ( R5.H , 0xffff ); + + pass + + .data; +data0: + .dw 0x0002 + .dw 0x8000 + .dw 0x7fff + .dw 0x8000 + .dw 0x0000 + .dw 0xf000 + .dw 0x007f + .dw 0x0000 + .dw 0x0080 + .dw 0x0000 + .dw 0xffff + .dw 0xffff |