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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.18.50/] [ld/] [testsuite/] [ld-m68hc11/] [adj-jump.s] - Blame information for rev 156

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;;; Test 68HC11 linker relaxation and fixup of bcc/bra branches
;;; 
        .sect .text
        .globl _start
_start:
        ;; Next 'bra' is assembled as a 'jmp'.  It is relaxed to 'bra L3'
        ;; during a second pass of relax.
        bra     L3
        .skip   20
        ;; Next 'jmp' must be relaxed to a 'bra' during the first pass.
        ;; The branch offset must then be adjusted by consecutive relax.
        jmp     L3
L1:
        addd    0,x
        bne     L1              ; Branch not adjusted
        addd    _toto
        beq     L1              ; Backward branch, adjust -1
        addd    _toto+1
        jbne    L1              ; Backward branch, adjust -2
        bgt     L1              ; All possible backward branchs, adjust -2
        bge     L1
        beq     L1
        ble     L1
        blt     L1
        bhi     L1
        bhs     L1
        beq     L1
        bls     L1
        blo     L1
        bcs     L1
        bmi     L1
        bvs     L1
        bcc     L1
        bpl     L1
        bvc     L1
        bne     L1
        brn     L1
        bra     L1
        ;; Relax several insn to reduce block by 15
        addd    _toto
        addd    _toto
        addd    _toto
        addd    _toto
        addd    _toto
        addd    _toto
        addd    _toto
        addd    _toto
        addd    _toto
        addd    _toto
        addd    _toto
        addd    _toto
        addd    _toto
        addd    _toto
        addd    _toto
L2:
        jmp     _start          ; -> relax to bra _start
        bne     L2              ; Backward branch, adjust -1
        beq     L3              ; Forward branch, adjust -2
        addd    _toto
        beq     L3              ; Forward branch, adjust -1
        addd    _toto
L3:
        addd    _toto
        rts
 
        .sect   .page0
_bar:
        .long   0
_toto:
        .long   0
        .skip   32
stack:
        .skip   10
_table:

Line No.	Rev	Author	Line
1	38	julius	`;;; Test 68HC11 linker relaxation and fixup of bcc/bra branches`
2			`;;;`
3			`.sect .text`
4			`.globl _start`
5			`_start:`
6			`;; Next 'bra' is assembled as a 'jmp'. It is relaxed to 'bra L3'`
7			`;; during a second pass of relax.`
8			`bra L3`
9			`.skip 20`
10			`;; Next 'jmp' must be relaxed to a 'bra' during the first pass.`
11			`;; The branch offset must then be adjusted by consecutive relax.`
12			`jmp L3`
13			`L1:`
14			`addd 0,x`
15			`bne L1 ; Branch not adjusted`
16			`addd _toto`
17			`beq L1 ; Backward branch, adjust -1`
18			`addd _toto+1`
19			`jbne L1 ; Backward branch, adjust -2`
20			`bgt L1 ; All possible backward branchs, adjust -2`
21			`bge L1`
22			`beq L1`
23			`ble L1`
24			`blt L1`
25			`bhi L1`
26			`bhs L1`
27			`beq L1`
28			`bls L1`
29			`blo L1`
30			`bcs L1`
31			`bmi L1`
32			`bvs L1`
33			`bcc L1`
34			`bpl L1`
35			`bvc L1`
36			`bne L1`
37			`brn L1`
38			`bra L1`
39			`;; Relax several insn to reduce block by 15`
40			`addd _toto`
41			`addd _toto`
42			`addd _toto`
43			`addd _toto`
44			`addd _toto`
45			`addd _toto`
46			`addd _toto`
47			`addd _toto`
48			`addd _toto`
49			`addd _toto`
50			`addd _toto`
51			`addd _toto`
52			`addd _toto`
53			`addd _toto`
54			`addd _toto`
55			`L2:`
56			`jmp _start ; -> relax to bra _start`
57			`bne L2 ; Backward branch, adjust -1`
58			`beq L3 ; Forward branch, adjust -2`
59			`addd _toto`
60			`beq L3 ; Forward branch, adjust -1`
61			`addd _toto`
62			`L3:`
63			`addd _toto`
64			`rts`
65
66			`.sect .page0`
67			`_bar:`
68			`.long 0`
69			`_toto:`
70			`.long 0`
71			`.skip 32`
72			`stack:`
73			`.skip 10`
74			`_table:`

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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.18.50/] [ld/] [testsuite/] [ld-m68hc11/] [adj-jump.s] - Blame information for rev 156