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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [boehm-gc/] [alpha_mach_dep.S] - Blame information for rev 721

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Line No. Rev Author Line
1 721 jeremybenn
        .arch ev6
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        .text
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        .align  4
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        .globl  GC_push_regs
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        .ent    GC_push_regs 2
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GC_push_regs:
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        ldgp    $gp, 0($27)
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        lda     $sp, -16($sp)
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        stq     $26, 0($sp)
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        .mask   0x04000000, 0
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        .frame  $sp, 16, $26, 0
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/* $0           integer result                                                */
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/* $1-$8        temp regs - not preserved cross calls                         */
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/* $9-$15       call saved regs                                               */
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/* $16-$21      argument regs - not preserved cross calls                     */
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/* $22-$28      temp regs - not preserved cross calls                         */
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/* $29          global pointer - not preserved cross calls                    */
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/* $30          stack pointer                                                 */
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# define call_push(x)                   \
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        mov   x, $16;                   \
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        jsr   $26, GC_push_one;         \
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        ldgp  $gp, 0($26)
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        call_push($9)
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        call_push($10)
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        call_push($11)
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        call_push($12)
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        call_push($13)
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        call_push($14)
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        call_push($15)
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/* $f0-$f1      floating point results                                        */
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/* $f2-$f9      call saved regs                                               */
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/* $f10-$f30    temp regs - not preserved cross calls                         */
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        /* Use the most efficient transfer method for this hardware. */
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        /* Bit 1 detects the FIX extension, which includes ftoit. */
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        amask   2, $0
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        bne     $0, $use_stack
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#undef call_push
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#define call_push(x)                    \
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        ftoit   x, $16;                 \
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        jsr     $26, GC_push_one;       \
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        ldgp    $gp, 0($26)
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        call_push($f2)
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        call_push($f3)
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        call_push($f4)
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        call_push($f5)
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        call_push($f6)
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        call_push($f7)
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        call_push($f8)
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        call_push($f9)
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        ldq     $26, 0($sp)
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        lda     $sp, 16($sp)
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        ret     $31, ($26), 1
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        .align  4
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$use_stack:
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#undef call_push
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#define call_push(x)                    \
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        stt     x, 8($sp);              \
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        ldq     $16, 8($sp);            \
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        jsr     $26, GC_push_one;       \
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        ldgp    $gp, 0($26)
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        call_push($f2)
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        call_push($f3)
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        call_push($f4)
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        call_push($f5)
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        call_push($f6)
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        call_push($f7)
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        call_push($f8)
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        call_push($f9)
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        ldq     $26, 0($sp)
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        lda     $sp, 16($sp)
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        ret     $31, ($26), 1
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        .end    GC_push_regs

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