mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-09 04:21:49 +08:00
40 lines
638 B
ArmAsm
40 lines
638 B
ArmAsm
.include "t-macros.i"
|
|
|
|
start
|
|
|
|
;; The d10v implements negated addition for subtraction
|
|
|
|
.macro check_subi s x y r c v
|
|
;; clear carry
|
|
ldi r6,#0x8004
|
|
mvtc r6,cr0
|
|
;; subtract
|
|
ldi r10,#\x
|
|
SUBI r10,#\y
|
|
;; verify result
|
|
ldi r11, #\r
|
|
cmpeq r10, r11
|
|
brf0t 1f
|
|
ldi r6, 1
|
|
ldi r2, \s
|
|
trap 15
|
|
1:
|
|
;; verify carry
|
|
mvfc r6, cr0
|
|
and3 r6, r6, #1
|
|
cmpeqi r6, #\c
|
|
brf0t 1f
|
|
ldi r6, 1
|
|
ldi r2, \s
|
|
trap 15
|
|
1:
|
|
.endm
|
|
|
|
check_subi 1 0000 0x0000 0xfff0 00 ;; 0 - 0x10
|
|
check_subi 2 0x0000 0x0001 0xffff 0 0
|
|
check_subi 3 0x0001 0x0000 0xfff1 0 0
|
|
check_subi 4 0x0001 0x0001 0x0000 1 0
|
|
check_subi 5 0x8000 0x0001 0x7fff 1 1
|
|
|
|
exit0
|