check_movsm.s

来自「xen虚拟机源代码安装包」· S 代码 · 共 45 行

# mach: crisv3 crisv8 crisv10 crisv32
# output: 5\nfffffff5\n5\nfffffff5\n0\n

; Movs between registers.  Check that sign-extension is performed and the
; full register is set.

 .include "testutils.inc"

 .data
x:
 .byte 5,-11
 .word 5,-11
 .word 0

 start
 move.d x,r5

 moveq -1,r3
 movs.b [r5+],r3
 test_move_cc 0 0 0 0
 checkr3 5

 moveq 0,r3
 movs.b [r5],r3
 test_move_cc 1 0 0 0
 addq 1,r5
 checkr3 fffffff5

 moveq -1,r3
 movs.w [r5+],r3
 test_move_cc 0 0 0 0
 checkr3 5

 moveq 0,r3
 movs.w [r5],r3
 test_move_cc 1 0 0 0
 addq 2,r5
 checkr3 fffffff5

 movs.w [r5],r3
 test_move_cc 0 1 0 0
 checkr3 0

 quit