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        .arch ev6
 
        .text
        .align  4
        .globl  GC_push_regs
        .ent    GC_push_regs 2
GC_push_regs:
        ldgp    $gp, 0($27)
        lda     $sp, -16($sp)
        stq     $26, 0($sp)
        .mask   0x04000000, 0
        .frame  $sp, 16, $26, 0
 
/* $0           integer result                                                */
/* $1-$8        temp regs - not preserved cross calls                         */
/* $9-$15       call saved regs                                               */
/* $16-$21      argument regs - not preserved cross calls                     */
/* $22-$28      temp regs - not preserved cross calls                         */
/* $29          global pointer - not preserved cross calls                    */
/* $30          stack pointer                                                 */
 
# define call_push(x)                   \
        mov   x, $16;                   \
        jsr   $26, GC_push_one;         \
        ldgp  $gp, 0($26)
 
        call_push($9)
        call_push($10)
        call_push($11)
        call_push($12)
        call_push($13)
        call_push($14)
        call_push($15)
 
/* $f0-$f1      floating point results                                        */
/* $f2-$f9      call saved regs                                               */
/* $f10-$f30    temp regs - not preserved cross calls                         */
 
        /* Use the most efficient transfer method for this hardware. */
        /* Bit 1 detects the FIX extension, which includes ftoit. */
        amask   2, $0
        bne     $0, $use_stack
 
#undef call_push
#define call_push(x)                    \
        ftoit   x, $16;                 \
        jsr     $26, GC_push_one;       \
        ldgp    $gp, 0($26)
 
        call_push($f2)
        call_push($f3)
        call_push($f4)
        call_push($f5)
        call_push($f6)
        call_push($f7)
        call_push($f8)
        call_push($f9)
 
        ldq     $26, 0($sp)
        lda     $sp, 16($sp)
        ret     $31, ($26), 1
 
        .align  4
$use_stack:
 
#undef call_push
#define call_push(x)                    \
        stt     x, 8($sp);              \
        ldq     $16, 8($sp);            \
        jsr     $26, GC_push_one;       \
        ldgp    $gp, 0($26)
 
        call_push($f2)
        call_push($f3)
        call_push($f4)
        call_push($f5)
        call_push($f6)
        call_push($f7)
        call_push($f8)
        call_push($f9)
 
        ldq     $26, 0($sp)
        lda     $sp, 16($sp)
        ret     $31, ($26), 1
 
        .end    GC_push_regs

Line No.	Rev	Author	Line
1	721	jeremybenn	`.arch ev6`
2
3			`.text`
4			`.align 4`
5			`.globl GC_push_regs`
6			`.ent GC_push_regs 2`
7			`GC_push_regs:`
8			`ldgp $gp, 0($27)`
9			`lda $sp, -16($sp)`
10			`stq $26, 0($sp)`
11			`.mask 0x04000000, 0`
12			`.frame $sp, 16, $26, 0`
13
14			`/* $0 integer result */`
15			`/* $1-$8 temp regs - not preserved cross calls */`
16			`/* $9-$15 call saved regs */`
17			`/* $16-$21 argument regs - not preserved cross calls */`
18			`/* $22-$28 temp regs - not preserved cross calls */`
19			`/* $29 global pointer - not preserved cross calls */`
20			`/* $30 stack pointer */`
21
22			`# define call_push(x) \`
23			`mov x, $16; \`
24			`jsr $26, GC_push_one; \`
25			`ldgp $gp, 0($26)`
26
27			`call_push($9)`
28			`call_push($10)`
29			`call_push($11)`
30			`call_push($12)`
31			`call_push($13)`
32			`call_push($14)`
33			`call_push($15)`
34
35			`/* $f0-$f1 floating point results */`
36			`/* $f2-$f9 call saved regs */`
37			`/* $f10-$f30 temp regs - not preserved cross calls */`
38
39			`/* Use the most efficient transfer method for this hardware. */`
40			`/* Bit 1 detects the FIX extension, which includes ftoit. */`
41			`amask 2, $0`
42			`bne $0, $use_stack`
43
44			`#undef call_push`
45			`#define call_push(x) \`
46			`ftoit x, $16; \`
47			`jsr $26, GC_push_one; \`
48			`ldgp $gp, 0($26)`
49
50			`call_push($f2)`
51			`call_push($f3)`
52			`call_push($f4)`
53			`call_push($f5)`
54			`call_push($f6)`
55			`call_push($f7)`
56			`call_push($f8)`
57			`call_push($f9)`
58
59			`ldq $26, 0($sp)`
60			`lda $sp, 16($sp)`
61			`ret $31, ($26), 1`
62
63			`.align 4`
64			`$use_stack:`
65
66			`#undef call_push`
67			`#define call_push(x) \`
68			`stt x, 8($sp); \`
69			`ldq $16, 8($sp); \`
70			`jsr $26, GC_push_one; \`
71			`ldgp $gp, 0($26)`
72
73			`call_push($f2)`
74			`call_push($f3)`
75			`call_push($f4)`
76			`call_push($f5)`
77			`call_push($f6)`
78			`call_push($f7)`
79			`call_push($f8)`
80			`call_push($f9)`
81
82			`ldq $26, 0($sp)`
83			`lda $sp, 16($sp)`
84			`ret $31, ($26), 1`
85
86			`.end GC_push_regs`

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [boehm-gc/] [alpha_mach_dep.S] - Blame information for rev 790