projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| c906108c SS |
1 | .include "t-macros.i" |
| 2 | ||
| 3 | start | |
| 4 | ||
| 5 | ;; The d10v implements negated addition for subtraction | |
| 6 | ||
| 7 | .macro check_sub2w s x y r c v | |
| 8 | ||
| 9 | ;; clear carry | |
| 10 | ldi r6,#0x8004 | |
| 11 | mvtc r6,cr0 | |
| 12 | ||
| 13 | ;; load opnds | |
| 14 | ld2w r6, @(1f,r0) | |
| 15 | ld2w r8, @(2f,r0) | |
| 16 | .data | |
| 17 | 1: .long \x | |
| 18 | 2: .long \y | |
| 19 | .text | |
| 20 | ||
| 21 | ;; subtract | |
| 22 | SUB2W r6, r8 | |
| 23 | ||
| 24 | ;; verify result | |
| 25 | ld2w r10, @(1f,r0) | |
| 26 | .data | |
| 27 | 1: .long \r | |
| 28 | .text | |
| 29 | cmpeq r6, r10 | |
| 30 | brf0f 2f | |
| 31 | cmpeq r7, r11 | |
| 32 | brf0t 3f | |
| 33 | 2: ldi r4, 1 | |
| 34 | ldi r0, \s | |
| 35 | trap 15 | |
| 36 | 3: | |
| 37 | ||
| 38 | ;; verify carry | |
| 39 | mvfc r6, cr0 | |
| 40 | and3 r6, r6, #1 | |
| 41 | cmpeqi r6, #\c | |
| 42 | brf0t 1f | |
| 43 | ldi r4, 1 | |
| 44 | ldi r0, \s | |
| 45 | trap 15 | |
| 46 | 1: | |
| 47 | .endm | |
| 48 | ||
| 49 | check_sub2w 1 0x00000000 0x00000000 0x00000000 1 0 | |
| 50 | check_sub2w 2 0x00000000 0x00000001 0xffffffff 0 0 | |
| 51 | check_sub2w 3 0x00000001 0x00000000 0x00000001 1 0 | |
| 52 | check_sub2w 3 0x00000001 0x00000001 0x00000000 1 0 | |
| 53 | check_sub2w 5 0x00000000 0x80000000 0x80000000 0 1 | |
| 54 | check_sub2w 6 0x80000000 0x00000001 0x7fffffff 1 1 | |
| 55 | check_sub2w 7 0x7fffffff 0x7fffffff 0x00000000 1 0 | |
| 56 | ||
| 57 | exit0 |