import gc6.1alpha5
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								gc/sparc_mach_dep.S
									
									
									
									
									
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										67
									
								
								gc/sparc_mach_dep.S
									
									
									
									
									
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							@@ -0,0 +1,67 @@
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!	SPARCompiler 3.0 and later apparently no longer handles
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!	asm outside functions.  So we need a separate .s file
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!	This is only set up for SunOS 5, not SunOS 4.
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!	Assumes this is called before the stack contents are
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!	examined.
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	.seg 	"text"
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	.globl	GC_save_regs_in_stack
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	.globl 	GC_push_regs
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GC_save_regs_in_stack:
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GC_push_regs:
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#if defined(__arch64__) || defined(__sparcv9)
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	save	%sp,-128,%sp
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	flushw
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	ret
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	  restore %sp,2047+128,%o0
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#else /* 32 bit SPARC */
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	ta	0x3   ! ST_FLUSH_WINDOWS
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	mov	%sp,%o0
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	retl
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	nop
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#endif /* 32 bit SPARC */
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.GC_save_regs_in_stack_end:
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	.size GC_save_regs_in_stack,.GC_save_regs_in_stack_end-GC_save_regs_in_stack
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	.globl	GC_clear_stack_inner
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GC_clear_stack_inner:
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#if defined(__arch64__) || defined(__sparcv9)
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	mov %sp,%o2		! Save sp
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	add %sp,2047-8,%o3	! p = sp+bias-8
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	add %o1,-2047-192,%sp	! Move sp out of the way,
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  				! so that traps still work.
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  				! Includes some extra words
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  				! so we can be sloppy below.
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loop:
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	stx %g0,[%o3]		! *(long *)p = 0
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	cmp %o3,%o1
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	bgu,pt %xcc, loop	! if (p > limit) goto loop
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          add %o3,-8,%o3	! p -= 8 (delay slot)
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	retl
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    	  mov %o2,%sp		! Restore sp., delay slot	
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#else  /* 32 bit SPARC */
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	mov	%sp,%o2		! Save sp
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	add	%sp,-8,%o3	! p = sp-8
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	clr	%g1		! [g0,g1] = 0
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	add	%o1,-0x60,%sp	! Move sp out of the way,
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				! so that traps still work.
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				! Includes some extra words
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				! so we can be sloppy below.
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loop:
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	std	%g0,[%o3]	! *(long long *)p = 0
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	cmp	%o3,%o1
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	bgu	loop		! if (p > limit) goto loop
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	  add	%o3,-8,%o3	! p -= 8 (delay slot)
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	retl
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	  mov	%o2,%sp		! Restore sp., delay slot
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#endif  /* 32 bit SPARC */
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.GC_clear_stack_inner_end:
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      	.size GC_clear_stack_inner,.GC_clear_stack_inner_end-GC_clear_stack_inner
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