URL https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk

Subversion Repositories openrisc_2011-10-31

[/] [openrisc/] [tags/] [gnu-src/] [gdb-6.8/] [pre-binutils-2.20.1-sync/] [sim/] [testsuite/] [d10v-elf/] [t-sub.s] - Diff between revs 157 and 223

Rev 157	Rev 223
`.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_sub s x y r c`	`.macro check_sub s x y r c`
`;; clear carry`	`;; clear carry`
`ldi r6,#0x8004`	`ldi r6,#0x8004`
`mvtc r6,cr0`	`mvtc r6,cr0`
`;; subtract`	`;; subtract`
`ldi r10,#\x`	`ldi r10,#\x`
`ldi r11,#\y`	`ldi r11,#\y`
`sub r10, r11`	`sub r10, r11`
`;; verify result`	`;; verify result`
`ldi r12, #\r`	`ldi r12, #\r`
`cmpeq r10, r12`	`cmpeq r10, r12`
`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_sub 1 0x0000 0x0000 0x0000 1`	`check_sub 1 0x0000 0x0000 0x0000 1`
`check_sub 2 0x0000 0x0001 0xffff 0`	`check_sub 2 0x0000 0x0001 0xffff 0`
`check_sub 3 0x0001 0x0000 0x0001 1`	`check_sub 3 0x0001 0x0000 0x0001 1`
`check_sub 4 0x0001 0x0001 0x0000 1`	`check_sub 4 0x0001 0x0001 0x0000 1`
`check_sub 5 0x0000 0x8000 0x8000 0`	`check_sub 5 0x0000 0x8000 0x8000 0`
`check_sub 6 0x8000 0x0001 0x7fff 1`	`check_sub 6 0x8000 0x0001 0x7fff 1`
`check_sub 7 0x7fff 0x7fff 0x0000 1`	`check_sub 7 0x7fff 0x7fff 0x0000 1`

`exit0`	`exit0`