crosstool-ng: patches/glibc/2.9/500-ppc-glibc-2.9-atomic.patch@c4d124ed9f8e (annotated)

yann@1365	1	Original patch from: gentoo/src/patchsets/glibc/2.9/6120_all_ppc-glibc-2.9-atomic.patch
yann@1365	2
yann@1365	3	-= BEGIN original header =-
yann@1365	4	sniped from suse
yann@1365	5
yann@1365	6	-= END original header =-
yann@1365	7
yann@1365	8	diff -durN glibc-2_9.orig/sysdeps/powerpc/bits/atomic.h glibc-2_9/sysdeps/powerpc/bits/atomic.h
yann@1365	9	--- glibc-2_9.orig/sysdeps/powerpc/bits/atomic.h 2007-03-26 22:15:28.000000000 +0200
yann@1365	10	+++ glibc-2_9/sysdeps/powerpc/bits/atomic.h 2009-02-02 22:01:40.000000000 +0100
yann@1365	11	@@ -85,14 +85,14 @@
yann@1365	12	__typeof (*(mem)) __tmp; \
yann@1365	13	__typeof (mem) __memp = (mem); \
yann@1365	14	__asm __volatile ( \
yann@1365	15	- "1: lwarx %0,0,%1" MUTEX_HINT_ACQ "\n" \
yann@1365	16	+ "1: lwarx %0,%y1" MUTEX_HINT_ACQ "\n" \
yann@1365	17	" cmpw %0,%2\n" \
yann@1365	18	" bne 2f\n" \
yann@1365	19	- " stwcx. %3,0,%1\n" \
yann@1365	20	+ " stwcx. %3,%y1\n" \
yann@1365	21	" bne- 1b\n" \
yann@1365	22	"2: " __ARCH_ACQ_INSTR \
yann@1365	23	- : "=&r" (__tmp) \
yann@1365	24	- : "b" (__memp), "r" (oldval), "r" (newval) \
yann@1365	25	+ : "=&r" (__tmp), "+Z" (*__memp) \
yann@1365	26	+ : "r" (oldval), "r" (newval) \
yann@1365	27	: "cr0", "memory"); \
yann@1365	28	__tmp; \
yann@1365	29	})
yann@1365	30	@@ -102,14 +102,14 @@
yann@1365	31	__typeof (*(mem)) __tmp; \
yann@1365	32	__typeof (mem) __memp = (mem); \
yann@1365	33	__asm __volatile (__ARCH_REL_INSTR "\n" \
yann@1365	34	- "1: lwarx %0,0,%1" MUTEX_HINT_REL "\n" \
yann@1365	35	+ "1: lwarx %0,%y1" MUTEX_HINT_REL "\n" \
yann@1365	36	" cmpw %0,%2\n" \
yann@1365	37	" bne 2f\n" \
yann@1365	38	- " stwcx. %3,0,%1\n" \
yann@1365	39	+ " stwcx. %3,%y1\n" \
yann@1365	40	" bne- 1b\n" \
yann@1365	41	"2: " \
yann@1365	42	- : "=&r" (__tmp) \
yann@1365	43	- : "b" (__memp), "r" (oldval), "r" (newval) \
yann@1365	44	+ : "=&r" (__tmp), "+Z" (__memp) \
yann@1365	45	+ : "r" (oldval), "r" (newval) \
yann@1365	46	: "cr0", "memory"); \
yann@1365	47	__tmp; \
yann@1365	48	})
yann@1365	49	@@ -118,12 +118,12 @@
yann@1365	50	({ \
yann@1365	51	__typeof (*mem) __val; \
yann@1365	52	__asm __volatile ( \
yann@1365	53	- "1: lwarx %0,0,%2" MUTEX_HINT_ACQ "\n" \
yann@1365	54	- " stwcx. %3,0,%2\n" \
yann@1365	55	+ "1: lwarx %0,%y1" MUTEX_HINT_ACQ "\n" \
yann@1365	56	+ " stwcx. %2,%y1\n" \
yann@1365	57	" bne- 1b\n" \
yann@1365	58	" " __ARCH_ACQ_INSTR \
yann@1365	59	- : "=&r" (__val), "=m" (*mem) \
yann@1365	60	- : "b" (mem), "r" (value), "m" (*mem) \
yann@1365	61	+ : "=&r" (__val), "+Z" (*mem) \
yann@1365	62	+ : "r" (value) \
yann@1365	63	: "cr0", "memory"); \
yann@1365	64	__val; \
yann@1365	65	})
yann@1365	66	@@ -132,11 +132,11 @@
yann@1365	67	({ \
yann@1365	68	__typeof (*mem) __val; \
yann@1365	69	__asm __volatile (__ARCH_REL_INSTR "\n" \
yann@1365	70	- "1: lwarx %0,0,%2" MUTEX_HINT_REL "\n" \
yann@1365	71	- " stwcx. %3,0,%2\n" \
yann@1365	72	+ "1: lwarx %0,%y1" MUTEX_HINT_REL "\n" \
yann@1365	73	+ " stwcx. %2,%y1\n" \
yann@1365	74	" bne- 1b" \
yann@1365	75	- : "=&r" (__val), "=m" (*mem) \
yann@1365	76	- : "b" (mem), "r" (value), "m" (*mem) \
yann@1365	77	+ : "=&r" (__val), "+Z" (*mem) \
yann@1365	78	+ : "r" (value) \
yann@1365	79	: "cr0", "memory"); \
yann@1365	80	__val; \
yann@1365	81	})
yann@1365	82	@@ -144,12 +144,12 @@
yann@1365	83	#define __arch_atomic_exchange_and_add_32(mem, value) \
yann@1365	84	({ \
yann@1365	85	__typeof (*mem) __val, __tmp; \
yann@1365	86	- __asm __volatile ("1: lwarx %0,0,%3\n" \
yann@1365	87	- " add %1,%0,%4\n" \
yann@1365	88	- " stwcx. %1,0,%3\n" \
yann@1365	89	+ __asm __volatile ("1: lwarx %0,%y2\n" \
yann@1365	90	+ " add %1,%0,%3\n" \
yann@1365	91	+ " stwcx. %1,%y2\n" \
yann@1365	92	" bne- 1b" \
yann@1365	93	- : "=&b" (__val), "=&r" (__tmp), "=m" (*mem) \
yann@1365	94	- : "b" (mem), "r" (value), "m" (*mem) \
yann@1365	95	+ : "=&b" (__val), "=&r" (__tmp), "+Z" (*mem) \
yann@1365	96	+ : "r" (value) \
yann@1365	97	: "cr0", "memory"); \
yann@1365	98	__val; \
yann@1365	99	})
yann@1365	100	@@ -157,12 +157,12 @@
yann@1365	101	#define __arch_atomic_increment_val_32(mem) \
yann@1365	102	({ \
yann@1365	103	__typeof (*(mem)) __val; \
yann@1365	104	- __asm __volatile ("1: lwarx %0,0,%2\n" \
yann@1365	105	+ __asm __volatile ("1: lwarx %0,%y1\n" \
yann@1365	106	" addi %0,%0,1\n" \
yann@1365	107	- " stwcx. %0,0,%2\n" \
yann@1365	108	+ " stwcx. %0,%y1\n" \
yann@1365	109	" bne- 1b" \
yann@1365	110	- : "=&b" (__val), "=m" (*mem) \
yann@1365	111	- : "b" (mem), "m" (*mem) \
yann@1365	112	+ : "=&b" (__val), "+Z" (*mem) \
yann@1365	113	+ : \
yann@1365	114	: "cr0", "memory"); \
yann@1365	115	__val; \
yann@1365	116	})
yann@1365	117	@@ -170,27 +170,27 @@
yann@1365	118	#define __arch_atomic_decrement_val_32(mem) \
yann@1365	119	({ \
yann@1365	120	__typeof (*(mem)) __val; \
yann@1365	121	- __asm __volatile ("1: lwarx %0,0,%2\n" \
yann@1365	122	+ __asm __volatile ("1: lwarx %0,%y1\n" \
yann@1365	123	" subi %0,%0,1\n" \
yann@1365	124	- " stwcx. %0,0,%2\n" \
yann@1365	125	+ " stwcx. %0,%y1\n" \
yann@1365	126	" bne- 1b" \
yann@1365	127	- : "=&b" (__val), "=m" (*mem) \
yann@1365	128	- : "b" (mem), "m" (*mem) \
yann@1365	129	+ : "=&b" (__val), "+Z" (*mem) \
yann@1365	130	+ : \
yann@1365	131	: "cr0", "memory"); \
yann@1365	132	__val; \
yann@1365	133	})
yann@1365	134
yann@1365	135	#define __arch_atomic_decrement_if_positive_32(mem) \
yann@1365	136	({ int __val, __tmp; \
yann@1365	137	- __asm __volatile ("1: lwarx %0,0,%3\n" \
yann@1365	138	+ __asm __volatile ("1: lwarx %0,%y2\n" \
yann@1365	139	" cmpwi 0,%0,0\n" \
yann@1365	140	" addi %1,%0,-1\n" \
yann@1365	141	" ble 2f\n" \
yann@1365	142	- " stwcx. %1,0,%3\n" \
yann@1365	143	+ " stwcx. %1,%y2\n" \
yann@1365	144	" bne- 1b\n" \
yann@1365	145	"2: " __ARCH_ACQ_INSTR \
yann@1365	146	- : "=&b" (__val), "=&r" (__tmp), "=m" (*mem) \
yann@1365	147	- : "b" (mem), "m" (*mem) \
yann@1365	148	+ : "=&b" (__val), "=&r" (__tmp), "+Z" (*mem) \
yann@1365	149	+ : \
yann@1365	150	: "cr0", "memory"); \
yann@1365	151	__val; \
yann@1365	152	})
yann@1365	153	diff -durN glibc-2_9.orig/sysdeps/powerpc/powerpc32/bits/atomic.h glibc-2_9/sysdeps/powerpc/powerpc32/bits/atomic.h
yann@1365	154	--- glibc-2_9.orig/sysdeps/powerpc/powerpc32/bits/atomic.h 2007-03-26 22:15:45.000000000 +0200
yann@1365	155	+++ glibc-2_9/sysdeps/powerpc/powerpc32/bits/atomic.h 2009-02-02 22:01:40.000000000 +0100
yann@1365	156	@@ -44,14 +44,14 @@
yann@1365	157	({ \
yann@1365	158	unsigned int __tmp; \
yann@1365	159	__asm __volatile ( \
yann@1365	160	- "1: lwarx %0,0,%1" MUTEX_HINT_ACQ "\n" \
yann@1365	161	+ "1: lwarx %0,%y1" MUTEX_HINT_ACQ "\n" \
yann@1365	162	" subf. %0,%2,%0\n" \
yann@1365	163	" bne 2f\n" \
yann@1365	164	- " stwcx. %3,0,%1\n" \
yann@1365	165	+ " stwcx. %3,%y1\n" \
yann@1365	166	" bne- 1b\n" \
yann@1365	167	"2: " __ARCH_ACQ_INSTR \
yann@1365	168	- : "=&r" (__tmp) \
yann@1365	169	- : "b" (mem), "r" (oldval), "r" (newval) \
yann@1365	170	+ : "=&r" (__tmp), "+Z" (*(mem)) \
yann@1365	171	+ : "r" (oldval), "r" (newval) \
yann@1365	172	: "cr0", "memory"); \
yann@1365	173	__tmp != 0; \
yann@1365	174	})
yann@1365	175	@@ -60,14 +60,14 @@
yann@1365	176	({ \
yann@1365	177	unsigned int __tmp; \
yann@1365	178	__asm __volatile (__ARCH_REL_INSTR "\n" \
yann@1365	179	- "1: lwarx %0,0,%1" MUTEX_HINT_REL "\n" \
yann@1365	180	+ "1: lwarx %0,%y1" MUTEX_HINT_REL "\n" \
yann@1365	181	" subf. %0,%2,%0\n" \
yann@1365	182	" bne 2f\n" \
yann@1365	183	- " stwcx. %3,0,%1\n" \
yann@1365	184	+ " stwcx. %3,%y1\n" \
yann@1365	185	" bne- 1b\n" \
yann@1365	186	"2: " \
yann@1365	187	- : "=&r" (__tmp) \
yann@1365	188	- : "b" (mem), "r" (oldval), "r" (newval) \
yann@1365	189	+ : "=&r" (__tmp), "+Z" (*(mem)) \
yann@1365	190	+ : "r" (oldval), "r" (newval) \
yann@1365	191	: "cr0", "memory"); \
yann@1365	192	__tmp != 0; \
yann@1365	193	})
yann@1365	194	diff -durN glibc-2_9.orig/sysdeps/powerpc/powerpc64/bits/atomic.h glibc-2_9/sysdeps/powerpc/powerpc64/bits/atomic.h
yann@1365	195	--- glibc-2_9.orig/sysdeps/powerpc/powerpc64/bits/atomic.h 2007-03-26 22:16:03.000000000 +0200
yann@1365	196	+++ glibc-2_9/sysdeps/powerpc/powerpc64/bits/atomic.h 2009-02-02 22:01:40.000000000 +0100
yann@1365	197	@@ -44,14 +44,14 @@
yann@1365	198	({ \
yann@1365	199	unsigned int __tmp, __tmp2; \
yann@1365	200	__asm __volatile (" clrldi %1,%1,32\n" \
yann@1365	201	- "1: lwarx %0,0,%2" MUTEX_HINT_ACQ "\n" \
yann@1365	202	+ "1: lwarx %0,%y2" MUTEX_HINT_ACQ "\n" \
yann@1365	203	" subf. %0,%1,%0\n" \
yann@1365	204	" bne 2f\n" \
yann@1365	205	- " stwcx. %4,0,%2\n" \
yann@1365	206	+ " stwcx. %4,%y2\n" \
yann@1365	207	" bne- 1b\n" \
yann@1365	208	"2: " __ARCH_ACQ_INSTR \
yann@1365	209	- : "=&r" (__tmp), "=r" (__tmp2) \
yann@1365	210	- : "b" (mem), "1" (oldval), "r" (newval) \
yann@1365	211	+ : "=&r" (__tmp), "=r" (__tmp2), "+Z" (*(mem)) \
yann@1365	212	+ : "1" (oldval), "r" (newval) \
yann@1365	213	: "cr0", "memory"); \
yann@1365	214	__tmp != 0; \
yann@1365	215	})
yann@1365	216	@@ -61,14 +61,14 @@
yann@1365	217	unsigned int __tmp, __tmp2; \
yann@1365	218	__asm __volatile (__ARCH_REL_INSTR "\n" \
yann@1365	219	" clrldi %1,%1,32\n" \
yann@1365	220	- "1: lwarx %0,0,%2" MUTEX_HINT_REL "\n" \
yann@1365	221	+ "1: lwarx %0,%y2" MUTEX_HINT_REL "\n" \
yann@1365	222	" subf. %0,%1,%0\n" \
yann@1365	223	" bne 2f\n" \
yann@1365	224	- " stwcx. %4,0,%2\n" \
yann@1365	225	+ " stwcx. %4,%y2\n" \
yann@1365	226	" bne- 1b\n" \
yann@1365	227	"2: " \
yann@1365	228	- : "=&r" (__tmp), "=r" (__tmp2) \
yann@1365	229	- : "b" (mem), "1" (oldval), "r" (newval) \
yann@1365	230	+ : "=&r" (__tmp), "=r" (__tmp2), "+Z" (*(mem)) \
yann@1365	231	+ : "1" (oldval), "r" (newval) \
yann@1365	232	: "cr0", "memory"); \
yann@1365	233	__tmp != 0; \
yann@1365	234	})
yann@1365	235	@@ -82,14 +82,14 @@
yann@1365	236	({ \
yann@1365	237	unsigned long __tmp; \
yann@1365	238	__asm __volatile ( \
yann@1365	239	- "1: ldarx %0,0,%1" MUTEX_HINT_ACQ "\n" \
yann@1365	240	+ "1: ldarx %0,%y1" MUTEX_HINT_ACQ "\n" \
yann@1365	241	" subf. %0,%2,%0\n" \
yann@1365	242	" bne 2f\n" \
yann@1365	243	- " stdcx. %3,0,%1\n" \
yann@1365	244	+ " stdcx. %3,%y1\n" \
yann@1365	245	" bne- 1b\n" \
yann@1365	246	"2: " __ARCH_ACQ_INSTR \
yann@1365	247	- : "=&r" (__tmp) \
yann@1365	248	- : "b" (mem), "r" (oldval), "r" (newval) \
yann@1365	249	+ : "=&r" (__tmp), "+Z" (*(mem)) \
yann@1365	250	+ : "r" (oldval), "r" (newval) \
yann@1365	251	: "cr0", "memory"); \
yann@1365	252	__tmp != 0; \
yann@1365	253	})
yann@1365	254	@@ -98,14 +98,14 @@
yann@1365	255	({ \
yann@1365	256	unsigned long __tmp; \
yann@1365	257	__asm __volatile (__ARCH_REL_INSTR "\n" \
yann@1365	258	- "1: ldarx %0,0,%2" MUTEX_HINT_REL "\n" \
yann@1365	259	+ "1: ldarx %0,%y1" MUTEX_HINT_REL "\n" \
yann@1365	260	" subf. %0,%2,%0\n" \
yann@1365	261	" bne 2f\n" \
yann@1365	262	- " stdcx. %3,0,%1\n" \
yann@1365	263	+ " stdcx. %3,%y1\n" \
yann@1365	264	" bne- 1b\n" \
yann@1365	265	"2: " \
yann@1365	266	- : "=&r" (__tmp) \
yann@1365	267	- : "b" (mem), "r" (oldval), "r" (newval) \
yann@1365	268	+ : "=&r" (__tmp), "+Z" (*(mem)) \
yann@1365	269	+ : "r" (oldval), "r" (newval) \
yann@1365	270	: "cr0", "memory"); \
yann@1365	271	__tmp != 0; \
yann@1365	272	})
yann@1365	273	@@ -115,14 +115,14 @@
yann@1365	274	__typeof (*(mem)) __tmp; \
yann@1365	275	__typeof (mem) __memp = (mem); \
yann@1365	276	__asm __volatile ( \
yann@1365	277	- "1: ldarx %0,0,%1" MUTEX_HINT_ACQ "\n" \
yann@1365	278	+ "1: ldarx %0,%y1" MUTEX_HINT_ACQ "\n" \
yann@1365	279	" cmpd %0,%2\n" \
yann@1365	280	" bne 2f\n" \
yann@1365	281	- " stdcx. %3,0,%1\n" \
yann@1365	282	+ " stdcx. %3,%y1\n" \
yann@1365	283	" bne- 1b\n" \
yann@1365	284	"2: " __ARCH_ACQ_INSTR \
yann@1365	285	- : "=&r" (__tmp) \
yann@1365	286	- : "b" (__memp), "r" (oldval), "r" (newval) \
yann@1365	287	+ : "=&r" (__tmp), "+Z" (*__memp) \
yann@1365	288	+ : "r" (oldval), "r" (newval) \
yann@1365	289	: "cr0", "memory"); \
yann@1365	290	__tmp; \
yann@1365	291	})
yann@1365	292	@@ -132,14 +132,14 @@
yann@1365	293	__typeof (*(mem)) __tmp; \
yann@1365	294	__typeof (mem) __memp = (mem); \
yann@1365	295	__asm __volatile (__ARCH_REL_INSTR "\n" \
yann@1365	296	- "1: ldarx %0,0,%1" MUTEX_HINT_REL "\n" \
yann@1365	297	+ "1: ldarx %0,%y1" MUTEX_HINT_REL "\n" \
yann@1365	298	" cmpd %0,%2\n" \
yann@1365	299	" bne 2f\n" \
yann@1365	300	- " stdcx. %3,0,%1\n" \
yann@1365	301	+ " stdcx. %3,%y1\n" \
yann@1365	302	" bne- 1b\n" \
yann@1365	303	"2: " \
yann@1365	304	- : "=&r" (__tmp) \
yann@1365	305	- : "b" (__memp), "r" (oldval), "r" (newval) \
yann@1365	306	+ : "=&r" (__tmp), "+Z" (*__memp) \
yann@1365	307	+ : "r" (oldval), "r" (newval) \
yann@1365	308	: "cr0", "memory"); \
yann@1365	309	__tmp; \
yann@1365	310	})
yann@1365	311	@@ -148,12 +148,12 @@
yann@1365	312	({ \
yann@1365	313	__typeof (*mem) __val; \
yann@1365	314	__asm __volatile (__ARCH_REL_INSTR "\n" \
yann@1365	315	- "1: ldarx %0,0,%2" MUTEX_HINT_ACQ "\n" \
yann@1365	316	- " stdcx. %3,0,%2\n" \
yann@1365	317	+ "1: ldarx %0,%y1" MUTEX_HINT_ACQ "\n" \
yann@1365	318	+ " stdcx. %2,%y1\n" \
yann@1365	319	" bne- 1b\n" \
yann@1365	320	" " __ARCH_ACQ_INSTR \
yann@1365	321	- : "=&r" (__val), "=m" (*mem) \
yann@1365	322	- : "b" (mem), "r" (value), "m" (*mem) \
yann@1365	323	+ : "=&r" (__val), "+Z" (*(mem)) \
yann@1365	324	+ : "r" (value) \
yann@1365	325	: "cr0", "memory"); \
yann@1365	326	__val; \
yann@1365	327	})
yann@1365	328	@@ -162,11 +162,11 @@
yann@1365	329	({ \
yann@1365	330	__typeof (*mem) __val; \
yann@1365	331	__asm __volatile (__ARCH_REL_INSTR "\n" \
yann@1365	332	- "1: ldarx %0,0,%2" MUTEX_HINT_REL "\n" \
yann@1365	333	- " stdcx. %3,0,%2\n" \
yann@1365	334	+ "1: ldarx %0,%y1" MUTEX_HINT_REL "\n" \
yann@1365	335	+ " stdcx. %2,%y1\n" \
yann@1365	336	" bne- 1b" \
yann@1365	337	- : "=&r" (__val), "=m" (*mem) \
yann@1365	338	- : "b" (mem), "r" (value), "m" (*mem) \
yann@1365	339	+ : "=&r" (__val), "+Z" (*(mem)) \
yann@1365	340	+ : "r" (value) \
yann@1365	341	: "cr0", "memory"); \
yann@1365	342	__val; \
yann@1365	343	})
yann@1365	344	@@ -174,12 +174,12 @@
yann@1365	345	#define __arch_atomic_exchange_and_add_64(mem, value) \
yann@1365	346	({ \
yann@1365	347	__typeof (*mem) __val, __tmp; \
yann@1365	348	- __asm __volatile ("1: ldarx %0,0,%3\n" \
yann@1365	349	- " add %1,%0,%4\n" \
yann@1365	350	- " stdcx. %1,0,%3\n" \
yann@1365	351	+ __asm __volatile ("1: ldarx %0,%y2\n" \
yann@1365	352	+ " add %1,%0,%3\n" \
yann@1365	353	+ " stdcx. %1,%y2\n" \
yann@1365	354	" bne- 1b" \
yann@1365	355	- : "=&b" (__val), "=&r" (__tmp), "=m" (*mem) \
yann@1365	356	- : "b" (mem), "r" (value), "m" (*mem) \
yann@1365	357	+ : "=&b" (__val), "=&r" (__tmp), "+Z" (*(mem)) \
yann@1365	358	+ : "r" (value) \
yann@1365	359	: "cr0", "memory"); \
yann@1365	360	__val; \
yann@1365	361	})
yann@1365	362	@@ -187,12 +187,12 @@
yann@1365	363	#define __arch_atomic_increment_val_64(mem) \
yann@1365	364	({ \
yann@1365	365	__typeof (*(mem)) __val; \
yann@1365	366	- __asm __volatile ("1: ldarx %0,0,%2\n" \
yann@1365	367	+ __asm __volatile ("1: ldarx %0,%y1\n" \
yann@1365	368	" addi %0,%0,1\n" \
yann@1365	369	- " stdcx. %0,0,%2\n" \
yann@1365	370	+ " stdcx. %0,%y1\n" \
yann@1365	371	" bne- 1b" \
yann@1365	372	- : "=&b" (__val), "=m" (*mem) \
yann@1365	373	- : "b" (mem), "m" (*mem) \
yann@1365	374	+ : "=&b" (__val), "+Z" (*(mem)) \
yann@1365	375	+ : \
yann@1365	376	: "cr0", "memory"); \
yann@1365	377	__val; \
yann@1365	378	})
yann@1365	379	@@ -200,27 +200,27 @@
yann@1365	380	#define __arch_atomic_decrement_val_64(mem) \
yann@1365	381	({ \
yann@1365	382	__typeof (*(mem)) __val; \
yann@1365	383	- __asm __volatile ("1: ldarx %0,0,%2\n" \
yann@1365	384	+ __asm __volatile ("1: ldarx %0,%y1\n" \
yann@1365	385	" subi %0,%0,1\n" \
yann@1365	386	- " stdcx. %0,0,%2\n" \
yann@1365	387	+ " stdcx. %0,%y1\n" \
yann@1365	388	" bne- 1b" \
yann@1365	389	- : "=&b" (__val), "=m" (*mem) \
yann@1365	390	- : "b" (mem), "m" (*mem) \
yann@1365	391	+ : "=&b" (__val), "+Z" (*(mem)) \
yann@1365	392	+ : \
yann@1365	393	: "cr0", "memory"); \
yann@1365	394	__val; \
yann@1365	395	})
yann@1365	396
yann@1365	397	#define __arch_atomic_decrement_if_positive_64(mem) \
yann@1365	398	({ int __val, __tmp; \
yann@1365	399	- __asm __volatile ("1: ldarx %0,0,%3\n" \
yann@1365	400	+ __asm __volatile ("1: ldarx %0,%y2\n" \
yann@1365	401	" cmpdi 0,%0,0\n" \
yann@1365	402	" addi %1,%0,-1\n" \
yann@1365	403	" ble 2f\n" \
yann@1365	404	- " stdcx. %1,0,%3\n" \
yann@1365	405	+ " stdcx. %1,%y2\n" \
yann@1365	406	" bne- 1b\n" \
yann@1365	407	"2: " __ARCH_ACQ_INSTR \
yann@1365	408	- : "=&b" (__val), "=&r" (__tmp), "=m" (*mem) \
yann@1365	409	- : "b" (mem), "m" (*mem) \
yann@1365	410	+ : "=&b" (__val), "=&r" (__tmp), "+Z" (*(mem)) \
yann@1365	411	+ : \
yann@1365	412	: "cr0", "memory"); \
yann@1365	413	__val; \
yann@1365	414	})

author	"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
	Sun Apr 19 16:17:11 2009 +0000 (2009-04-19)
branch	newlib
changeset 1365	c4d124ed9f8e
permissions	-rw-r--r--