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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-27 16:20:17 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-27 16:20:17 -0800
commit7981164791d18d5ed1dcdfa9598949ed158a5333 (patch)
tree6565e7406dd55eb5014efd3e54109159a47cb10e /arch/s390/include/asm/bitops.h
parentf1dd6ad599732fc89f36fdd65a2c2cf3c63a8711 (diff)
parenta8d6356cdabf4495aaae7d3e89eb058b1909761c (diff)
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (35 commits) [S390] time: remove unused code [S390] zcore: Add prefix registers to dump header [S390] correct vdso version string [S390] add support for compressed kernels [S390] Define new s390 ELF note sections in elf.h [S390] codepage conversion of kernel parameter line [S390] seq_file: convert drivers/s390/ [S390] add z9-ec/z10 instruction to kernel disassembler [S390] dasd: correct offline processing [S390] dasd: fix refcounting. [S390] dasd: fix online/offline race [S390] use kprobes_built_in() in mm/fault code [S390] bug: use relative pointers in bug table entries [S390] Cleanup struct _lowcore usage and defines. [S390] free_initmem: reduce code duplication [S390] Replace ENOTSUPP usage with EOPNOTSUPP [S390] spinlock: check virtual cpu running status [S390] sysinfo: fix SYSIB 3,2,2 structure [S390] add MACHINE_IS_LPAR flag [S390] qdio: optimize cache line usage of struct qdio_irq ...
Diffstat (limited to 'arch/s390/include/asm/bitops.h')
-rw-r--r--arch/s390/include/asm/bitops.h83
1 files changed, 20 insertions, 63 deletions
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
index b30606f6d52..2e05972c508 100644
--- a/arch/s390/include/asm/bitops.h
+++ b/arch/s390/include/asm/bitops.h
@@ -71,8 +71,6 @@ extern const char _sb_findmap[];
#define __BITOPS_AND "nr"
#define __BITOPS_XOR "xr"
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-
#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string) \
asm volatile( \
" l %0,%2\n" \
@@ -85,22 +83,6 @@ extern const char _sb_findmap[];
: "d" (__val), "Q" (*(unsigned long *) __addr) \
: "cc");
-#else /* __GNUC__ */
-
-#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string) \
- asm volatile( \
- " l %0,0(%4)\n" \
- "0: lr %1,%0\n" \
- __op_string " %1,%3\n" \
- " cs %0,%1,0(%4)\n" \
- " jl 0b" \
- : "=&d" (__old), "=&d" (__new), \
- "=m" (*(unsigned long *) __addr) \
- : "d" (__val), "a" (__addr), \
- "m" (*(unsigned long *) __addr) : "cc");
-
-#endif /* __GNUC__ */
-
#else /* __s390x__ */
#define __BITOPS_ALIGN 7
@@ -109,8 +91,6 @@ extern const char _sb_findmap[];
#define __BITOPS_AND "ngr"
#define __BITOPS_XOR "xgr"
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-
#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string) \
asm volatile( \
" lg %0,%2\n" \
@@ -123,23 +103,6 @@ extern const char _sb_findmap[];
: "d" (__val), "Q" (*(unsigned long *) __addr) \
: "cc");
-#else /* __GNUC__ */
-
-#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string) \
- asm volatile( \
- " lg %0,0(%4)\n" \
- "0: lgr %1,%0\n" \
- __op_string " %1,%3\n" \
- " csg %0,%1,0(%4)\n" \
- " jl 0b" \
- : "=&d" (__old), "=&d" (__new), \
- "=m" (*(unsigned long *) __addr) \
- : "d" (__val), "a" (__addr), \
- "m" (*(unsigned long *) __addr) : "cc");
-
-
-#endif /* __GNUC__ */
-
#endif /* __s390x__ */
#define __BITOPS_WORDS(bits) (((bits)+__BITOPS_WORDSIZE-1)/__BITOPS_WORDSIZE)
@@ -261,9 +224,8 @@ static inline void __set_bit(unsigned long nr, volatile unsigned long *ptr)
addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
asm volatile(
- " oc 0(1,%1),0(%2)"
- : "=m" (*(char *) addr) : "a" (addr),
- "a" (_oi_bitmap + (nr & 7)), "m" (*(char *) addr) : "cc" );
+ " oc %O0(1,%R0),%1"
+ : "=Q" (*(char *) addr) : "Q" (_oi_bitmap[nr & 7]) : "cc" );
}
static inline void
@@ -290,9 +252,8 @@ __clear_bit(unsigned long nr, volatile unsigned long *ptr)
addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
asm volatile(
- " nc 0(1,%1),0(%2)"
- : "=m" (*(char *) addr) : "a" (addr),
- "a" (_ni_bitmap + (nr & 7)), "m" (*(char *) addr) : "cc");
+ " nc %O0(1,%R0),%1"
+ : "=Q" (*(char *) addr) : "Q" (_ni_bitmap[nr & 7]) : "cc" );
}
static inline void
@@ -318,9 +279,8 @@ static inline void __change_bit(unsigned long nr, volatile unsigned long *ptr)
addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
asm volatile(
- " xc 0(1,%1),0(%2)"
- : "=m" (*(char *) addr) : "a" (addr),
- "a" (_oi_bitmap + (nr & 7)), "m" (*(char *) addr) : "cc" );
+ " xc %O0(1,%R0),%1"
+ : "=Q" (*(char *) addr) : "Q" (_oi_bitmap[nr & 7]) : "cc" );
}
static inline void
@@ -349,10 +309,9 @@ test_and_set_bit_simple(unsigned long nr, volatile unsigned long *ptr)
addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
ch = *(unsigned char *) addr;
asm volatile(
- " oc 0(1,%1),0(%2)"
- : "=m" (*(char *) addr)
- : "a" (addr), "a" (_oi_bitmap + (nr & 7)),
- "m" (*(char *) addr) : "cc", "memory");
+ " oc %O0(1,%R0),%1"
+ : "=Q" (*(char *) addr) : "Q" (_oi_bitmap[nr & 7])
+ : "cc", "memory");
return (ch >> (nr & 7)) & 1;
}
#define __test_and_set_bit(X,Y) test_and_set_bit_simple(X,Y)
@@ -369,10 +328,9 @@ test_and_clear_bit_simple(unsigned long nr, volatile unsigned long *ptr)
addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
ch = *(unsigned char *) addr;
asm volatile(
- " nc 0(1,%1),0(%2)"
- : "=m" (*(char *) addr)
- : "a" (addr), "a" (_ni_bitmap + (nr & 7)),
- "m" (*(char *) addr) : "cc", "memory");
+ " nc %O0(1,%R0),%1"
+ : "=Q" (*(char *) addr) : "Q" (_ni_bitmap[nr & 7])
+ : "cc", "memory");
return (ch >> (nr & 7)) & 1;
}
#define __test_and_clear_bit(X,Y) test_and_clear_bit_simple(X,Y)
@@ -389,10 +347,9 @@ test_and_change_bit_simple(unsigned long nr, volatile unsigned long *ptr)
addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
ch = *(unsigned char *) addr;
asm volatile(
- " xc 0(1,%1),0(%2)"
- : "=m" (*(char *) addr)
- : "a" (addr), "a" (_oi_bitmap + (nr & 7)),
- "m" (*(char *) addr) : "cc", "memory");
+ " xc %O0(1,%R0),%1"
+ : "=Q" (*(char *) addr) : "Q" (_oi_bitmap[nr & 7])
+ : "cc", "memory");
return (ch >> (nr & 7)) & 1;
}
#define __test_and_change_bit(X,Y) test_and_change_bit_simple(X,Y)
@@ -591,11 +548,11 @@ static inline unsigned long __load_ulong_le(const unsigned long *p,
p = (unsigned long *)((unsigned long) p + offset);
#ifndef __s390x__
asm volatile(
- " ic %0,0(%1)\n"
- " icm %0,2,1(%1)\n"
- " icm %0,4,2(%1)\n"
- " icm %0,8,3(%1)"
- : "=&d" (word) : "a" (p), "m" (*p) : "cc");
+ " ic %0,%O1(%R1)\n"
+ " icm %0,2,%O1+1(%R1)\n"
+ " icm %0,4,%O1+2(%R1)\n"
+ " icm %0,8,%O1+3(%R1)"
+ : "=&d" (word) : "Q" (*p) : "cc");
#else
asm volatile(
" lrvg %0,%1"