diff options
Diffstat (limited to 'sim/testsuite/bfin/m12.s')
| -rw-r--r-- | sim/testsuite/bfin/m12.s | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/sim/testsuite/bfin/m12.s b/sim/testsuite/bfin/m12.s new file mode 100644 index 00000000000..37306e7cd97 --- /dev/null +++ b/sim/testsuite/bfin/m12.s @@ -0,0 +1,74 @@ +// Test extraction from accumulators: +// SCALE in SIGNED INTEGER mode +# mach: bfin + +.include "testutils.inc" + start + + +// load r0=0x00000fff +// load r1=0x00007fff +// load r2=0xffffffff +// load r3=0xffff0fff +// load r4=0x000000ff + loadsym P0, data0; + R0 = [ P0 ++ ]; + R1 = [ P0 ++ ]; + R2 = [ P0 ++ ]; + R3 = [ P0 ++ ]; + R4 = [ P0 ++ ]; + +// SCALE +// 0x0000000fff -> SCALE 0x1ffe + A1 = A0 = 0; + A1.w = R0; + A0.w = R0; + R5.H = A1, R5.L = A0 (ISS2); + DBGA ( R5.L , 0x1ffe ); + DBGA ( R5.H , 0x1ffe ); + +// SCALE +// 0x0000007fff -> SCALE 0x7fff + A1 = A0 = 0; + A1.w = R1; + A0.w = R1; + R5.H = A1, R5.L = A0 (ISS2); + DBGA ( R5.L , 0x7fff ); + DBGA ( R5.H , 0x7fff ); + +// SCALE +// 0xffffffffff -> SCALE 0xfffe + A1 = A0 = 0; + A1.w = R2; + A0.w = R2; + A1.x = R4.L; + A0.x = R4.L; + R5.H = A1, R5.L = A0 (ISS2); + DBGA ( R5.L , 0xfffe ); + DBGA ( R5.H , 0xfffe ); + +// SCALE +// 0xffffff0fff -> SCALE 0x8000 + A1 = A0 = 0; + A1.w = R3; + A0.w = R3; + A1.x = R4.L; + A0.x = R4.L; + R5.H = A1, R5.L = A0 (ISS2); + DBGA ( R5.L , 0x8000 ); + DBGA ( R5.H , 0x8000 ); + + pass + + .data +data0: + .dw 0x0fff + .dw 0x0000 + .dw 0x7fff + .dw 0x0000 + .dw 0xffff + .dw 0xffff + .dw 0x0fff + .dw 0xffff + .dw 0x00ff + .dw 0x0000 |