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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [boehm-gc/] [sparc_mach_dep.S] - Blame information for rev 801

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!       SPARCompiler 3.0 and later apparently no longer handles
!       asm outside functions.  So we need a separate .s file
!       This is only set up for SunOS 5, not SunOS 4.
!       Assumes this is called before the stack contents are
!       examined.
 
        .seg    "text"
        .globl  GC_save_regs_in_stack
        .globl  GC_push_regs
GC_save_regs_in_stack:
GC_push_regs:
#if defined(__arch64__) || defined(__sparcv9)
        save    %sp,-128,%sp
        flushw
        ret
          restore %sp,2047+128,%o0
#else /* 32 bit SPARC */
        ta      0x3   ! ST_FLUSH_WINDOWS
        mov     %sp,%o0
        retl
        nop
#endif /* 32 bit SPARC */
.GC_save_regs_in_stack_end:
        .size GC_save_regs_in_stack,.GC_save_regs_in_stack_end-GC_save_regs_in_stack
 
 
        .globl  GC_clear_stack_inner
GC_clear_stack_inner:
#if defined(__arch64__) || defined(__sparcv9)
        mov %sp,%o2             ! Save sp
        add %sp,2047-8,%o3      ! p = sp+bias-8
        add %o1,-2047-192,%sp   ! Move sp out of the way,
                                ! so that traps still work.
                                ! Includes some extra words
                                ! so we can be sloppy below.
loop:
        stx %g0,[%o3]           ! *(long *)p = 0
        cmp %o3,%o1
        bgu,pt %xcc, loop       ! if (p > limit) goto loop
          add %o3,-8,%o3        ! p -= 8 (delay slot)
        retl
          mov %o2,%sp           ! Restore sp., delay slot
#else  /* 32 bit SPARC */
        mov     %sp,%o2         ! Save sp
        add     %sp,-8,%o3      ! p = sp-8
        clr     %g1             ! [g0,g1] = 0
        add     %o1,-0x60,%sp   ! Move sp out of the way,
                                ! so that traps still work.
                                ! Includes some extra words
                                ! so we can be sloppy below.
loop:
        std     %g0,[%o3]       ! *(long long *)p = 0
        cmp     %o3,%o1
        bgu     loop            ! if (p > limit) goto loop
          add   %o3,-8,%o3      ! p -= 8 (delay slot)
        retl
          mov   %o2,%sp         ! Restore sp., delay slot
#endif  /* 32 bit SPARC */
.GC_clear_stack_inner_end:
        .size GC_clear_stack_inner,.GC_clear_stack_inner_end-GC_clear_stack_inner
 
 
 
 
 
 
 

Line No.	Rev	Author	Line
1	721	jeremybenn	`! SPARCompiler 3.0 and later apparently no longer handles`
2			`! asm outside functions. So we need a separate .s file`
3			`! This is only set up for SunOS 5, not SunOS 4.`
4			`! Assumes this is called before the stack contents are`
5			`! examined.`
6
7			`.seg "text"`
8			`.globl GC_save_regs_in_stack`
9			`.globl GC_push_regs`
10			`GC_save_regs_in_stack:`
11			`GC_push_regs:`
12			`#if defined(__arch64__) \|\| defined(__sparcv9)`
13			`save %sp,-128,%sp`
14			`flushw`
15			`ret`
16			`restore %sp,2047+128,%o0`
17			`#else /* 32 bit SPARC */`
18			`ta 0x3 ! ST_FLUSH_WINDOWS`
19			`mov %sp,%o0`
20			`retl`
21			`nop`
22			`#endif /* 32 bit SPARC */`
23			`.GC_save_regs_in_stack_end:`
24			`.size GC_save_regs_in_stack,.GC_save_regs_in_stack_end-GC_save_regs_in_stack`
25
26
27			`.globl GC_clear_stack_inner`
28			`GC_clear_stack_inner:`
29			`#if defined(__arch64__) \|\| defined(__sparcv9)`
30			`mov %sp,%o2 ! Save sp`
31			`add %sp,2047-8,%o3 ! p = sp+bias-8`
32			`add %o1,-2047-192,%sp ! Move sp out of the way,`
33			`! so that traps still work.`
34			`! Includes some extra words`
35			`! so we can be sloppy below.`
36			`loop:`
37			`stx %g0,[%o3] ! (long )p = 0`
38			`cmp %o3,%o1`
39			`bgu,pt %xcc, loop ! if (p > limit) goto loop`
40			`add %o3,-8,%o3 ! p -= 8 (delay slot)`
41			`retl`
42			`mov %o2,%sp ! Restore sp., delay slot`
43			`#else /* 32 bit SPARC */`
44			`mov %sp,%o2 ! Save sp`
45			`add %sp,-8,%o3 ! p = sp-8`
46			`clr %g1 ! [g0,g1] = 0`
47			`add %o1,-0x60,%sp ! Move sp out of the way,`
48			`! so that traps still work.`
49			`! Includes some extra words`
50			`! so we can be sloppy below.`
51			`loop:`
52			`std %g0,[%o3] ! (long long )p = 0`
53			`cmp %o3,%o1`
54			`bgu loop ! if (p > limit) goto loop`
55			`add %o3,-8,%o3 ! p -= 8 (delay slot)`
56			`retl`
57			`mov %o2,%sp ! Restore sp., delay slot`
58			`#endif /* 32 bit SPARC */`
59			`.GC_clear_stack_inner_end:`
60			`.size GC_clear_stack_inner,.GC_clear_stack_inner_end-GC_clear_stack_inner`
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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [boehm-gc/] [sparc_mach_dep.S] - Blame information for rev 801