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[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.20.1/] [ld/] [testsuite/] [ld-m68hc11/] [adj-jump.s] - Blame information for rev 308

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Line No. Rev Author Line
1 205 julius 
;;; Test 68HC11 linker relaxation and fixup of bcc/bra branches
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;;;
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        .sect .text
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        .globl _start
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_start:
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        ;; Next 'bra' is assembled as a 'jmp'.  It is relaxed to 'bra L3'
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        ;; during a second pass of relax.
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        bra     L3
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        .skip   20
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        ;; Next 'jmp' must be relaxed to a 'bra' during the first pass.
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        ;; The branch offset must then be adjusted by consecutive relax.
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        jmp     L3
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L1:
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        addd    0,x
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        bne     L1              ; Branch not adjusted
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        addd    _toto
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        beq     L1              ; Backward branch, adjust -1
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        addd    _toto+1
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        jbne    L1              ; Backward branch, adjust -2
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        bgt     L1              ; All possible backward branchs, adjust -2
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        bge     L1
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        beq     L1
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        ble     L1
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        blt     L1
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        bhi     L1
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        bhs     L1
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        beq     L1
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        bls     L1
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        blo     L1
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        bcs     L1
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        bmi     L1
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        bvs     L1
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        bcc     L1
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        bpl     L1
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        bvc     L1
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        bne     L1
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        brn     L1
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        bra     L1
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        ;; Relax several insn to reduce block by 15
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        addd    _toto
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        addd    _toto
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        addd    _toto
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        addd    _toto
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        addd    _toto
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        addd    _toto
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        addd    _toto
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        addd    _toto
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        addd    _toto
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        addd    _toto
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        addd    _toto
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        addd    _toto
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        addd    _toto
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        addd    _toto
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        addd    _toto
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L2:
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        jmp     _start          ; -> relax to bra _start
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        bne     L2              ; Backward branch, adjust -1
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        beq     L3              ; Forward branch, adjust -2
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        addd    _toto
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        beq     L3              ; Forward branch, adjust -1
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        addd    _toto
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L3:
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        addd    _toto
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        rts
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        .sect   .page0
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_bar:
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        .long   0
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_toto:
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        .long   0
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        .skip   32
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stack:
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        .skip   10
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_table:

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