mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
78 lines
1.2 KiB
ArmAsm
78 lines
1.2 KiB
ArmAsm
|
// Shifter test program.
|
||
|
// Test instructions
|
||
|
// RL0 = SIGNBITS R1;
|
||
|
// RL0 = SIGNBITS RL1;
|
||
|
// RL0 = SIGNBITS RH1;
|
||
|
|
||
|
# mach: bfin
|
||
|
|
||
|
.include "testutils.inc"
|
||
|
start
|
||
|
|
||
|
|
||
|
// on 32-b word
|
||
|
|
||
|
R1.L = 0xffff;
|
||
|
R1.H = 0x7fff;
|
||
|
R0.L = SIGNBITS R1;
|
||
|
DBGA ( R0.L , 0x0000 );
|
||
|
|
||
|
R1.L = 0xffff;
|
||
|
R1.H = 0x30ff;
|
||
|
R0.L = SIGNBITS R1;
|
||
|
DBGA ( R0.L , 0x0001 );
|
||
|
|
||
|
R1.L = 0xff0f;
|
||
|
R1.H = 0x10ff;
|
||
|
R0.L = SIGNBITS R1;
|
||
|
DBGA ( R0.L , 0x0002 );
|
||
|
|
||
|
R1.L = 0xff0f;
|
||
|
R1.H = 0xe0ff;
|
||
|
R0.L = SIGNBITS R1;
|
||
|
DBGA ( R0.L , 0x0002 );
|
||
|
|
||
|
R1.L = 0x0001;
|
||
|
R1.H = 0x0000;
|
||
|
R0.L = SIGNBITS R1;
|
||
|
DBGA ( R0.L , 0x0001e );
|
||
|
|
||
|
R1.L = 0xfffe;
|
||
|
R1.H = 0xffff;
|
||
|
R0.L = SIGNBITS R1;
|
||
|
DBGA ( R0.L , 0x0001e );
|
||
|
|
||
|
R1.L = 0xffff; // return largest norm for -1
|
||
|
R1.H = 0xffff;
|
||
|
R0.L = SIGNBITS R1;
|
||
|
DBGA ( R0.L , 0x0001f );
|
||
|
|
||
|
R1.L = 0; // return largest norm for zero
|
||
|
R1.H = 0;
|
||
|
R0.L = SIGNBITS R1;
|
||
|
DBGA ( R0.L , 0x001f );
|
||
|
|
||
|
// on 16-b word
|
||
|
|
||
|
R1.L = 0x7fff;
|
||
|
R1.H = 0xffff;
|
||
|
R0.L = SIGNBITS R1.L;
|
||
|
DBGA ( R0.L , 0x0000 );
|
||
|
|
||
|
R1.L = 0x0fff;
|
||
|
R1.H = 0x0001;
|
||
|
R0.L = SIGNBITS R1.H;
|
||
|
DBGA ( R0.L , 0x000e );
|
||
|
|
||
|
R1.L = 0x0fff;
|
||
|
R1.H = 0xffff;
|
||
|
R0.L = SIGNBITS R1.H;
|
||
|
DBGA ( R0.L , 0x000f );
|
||
|
|
||
|
R1.L = 0x0fff;
|
||
|
R1.H = 0xfffe;
|
||
|
R0.L = SIGNBITS R1.H;
|
||
|
DBGA ( R0.L , 0x000e );
|
||
|
|
||
|
pass
|