URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [tags/] [gdb/] [gdb-6.8/] [gdb-6.8.openrisc-2.1/] [sim/] [testsuite/] [d10v-elf/] [t-subi.s] - Diff between revs 24 and 33

Rev 24	Rev 33
`.include "t-macros.i"`	`.include "t-macros.i"`

`start`	`start`

`;; The d10v implements negated addition for subtraction`	`;; The d10v implements negated addition for subtraction`

`.macro check_subi s x y r c v`	`.macro check_subi s x y r c v`
`;; clear carry`	`;; clear carry`
`ldi r6,#0x8004`	`ldi r6,#0x8004`
`mvtc r6,cr0`	`mvtc r6,cr0`
`;; subtract`	`;; subtract`
`ldi r10,#\x`	`ldi r10,#\x`
`SUBI r10,#\y`	`SUBI r10,#\y`
`;; verify result`	`;; verify result`
`ldi r11, #\r`	`ldi r11, #\r`
`cmpeq r10, r11`	`cmpeq r10, r11`
`brf0t 1f`	`brf0t 1f`
`ldi r6, 1`	`ldi r6, 1`
`ldi r2, \s`	`ldi r2, \s`
`trap 15`	`trap 15`
`1:`	`1:`
`;; verify carry`	`;; verify carry`
`mvfc r6, cr0`	`mvfc r6, cr0`
`and3 r6, r6, #1`	`and3 r6, r6, #1`
`cmpeqi r6, #\c`	`cmpeqi r6, #\c`
`brf0t 1f`	`brf0t 1f`
`ldi r6, 1`	`ldi r6, 1`
`ldi r2, \s`	`ldi r2, \s`
`trap 15`	`trap 15`
`1:`	`1:`
`.endm`	`.endm`

`check_subi 1 0000 0x0000 0xfff0 00 ;; 0 - 0x10`	`check_subi 1 0000 0x0000 0xfff0 00 ;; 0 - 0x10`
`check_subi 2 0x0000 0x0001 0xffff 0 0`	`check_subi 2 0x0000 0x0001 0xffff 0 0`
`check_subi 3 0x0001 0x0000 0xfff1 0 0`	`check_subi 3 0x0001 0x0000 0xfff1 0 0`
`check_subi 4 0x0001 0x0001 0x0000 1 0`	`check_subi 4 0x0001 0x0001 0x0000 1 0`
`check_subi 5 0x8000 0x0001 0x7fff 1 1`	`check_subi 5 0x8000 0x0001 0x7fff 1 1`

`exit0`	`exit0`