Attachment #7613 for bug #16882

Lines 19-29 Link Here

(-)a/nptl/sysdeps/sparc/sparc32/pthread_spin_lock.S (-2 / +2 lines)
19		19
20	.text	20	.text
21	ENTRY(pthread_spin_lock)	21	ENTRY(pthread_spin_lock)
22	ldstub [%o0], %g1	22	1: ldstub [%o0], %g1
23	orcc %g1, 0x0, %g0	23	orcc %g1, 0x0, %g0
24	bne,a 2f	24	bne,a 2f
25	ldub [%o0], %g1	25	ldub [%o0], %g1
26	1: retl	26	retl
27	mov 0, %o0	27	mov 0, %o0
28	2: orcc %g1, 0x0, %g0	28	2: orcc %g1, 0x0, %g0
29	bne,a 2b	29	bne,a 2b

Lines 19-28 Link Here

(-)a/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S (-3 / +2 lines)
19		19
20	.text	20	.text
21	ENTRY(pthread_spin_lock)	21	ENTRY(pthread_spin_lock)
22	ldstub [%o0], %g1	22	1: ldstub [%o0], %g1
23	brnz,pn %g1, 2f	23	brnz,pn %g1, 2f
24	membar #StoreLoad \| #StoreStore	24	membar #StoreLoad \| #StoreStore
25	1: retl	25	retl
26	mov 0, %o0	26	mov 0, %o0
27	2: ldub [%o0], %g1	27	2: ldub [%o0], %g1
28	brnz,pt %g1, 2b	28	brnz,pt %g1, 2b
29	-

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