Projet_SETI_RISC-V/riscv-gnu-toolchain/binutils/sim/testsuite/bfin/m8.s
2023-03-06 14:48:14 +01:00

54 lines
1 KiB
ArmAsm

// 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