diff options
| -rw-r--r-- | arch/arm/nwfpe/fpopcode.h | 6 | ||||
| -rw-r--r-- | drivers/media/video/v4l1-compat.c | 2 | ||||
| -rw-r--r-- | include/asm-blackfin/processor.h | 4 | ||||
| -rw-r--r-- | include/asm-ppc/time.h | 2 | ||||
| -rw-r--r-- | include/linux/compiler-gcc.h | 12 | ||||
| -rw-r--r-- | include/linux/compiler.h | 14 | ||||
| -rw-r--r-- | lib/crc32.c | 12 | ||||
| -rw-r--r-- | lib/libcrc32c.c | 6 |
8 files changed, 27 insertions, 31 deletions
diff --git a/arch/arm/nwfpe/fpopcode.h b/arch/arm/nwfpe/fpopcode.h index ec78e3517fc9..0090b19bbe61 100644 --- a/arch/arm/nwfpe/fpopcode.h +++ b/arch/arm/nwfpe/fpopcode.h @@ -369,20 +369,20 @@ TABLE 5 #define getRoundingMode(opcode) ((opcode & MASK_ROUNDING_MODE) >> 5) #ifdef CONFIG_FPE_NWFPE_XP -static inline __attribute_pure__ floatx80 getExtendedConstant(const unsigned int nIndex) +static inline floatx80 __pure getExtendedConstant(const unsigned int nIndex) { extern const floatx80 floatx80Constant[]; return floatx80Constant[nIndex]; } #endif -static inline __attribute_pure__ float64 getDoubleConstant(const unsigned int nIndex) +static inline float64 __pure getDoubleConstant(const unsigned int nIndex) { extern const float64 float64Constant[]; return float64Constant[nIndex]; } -static inline __attribute_pure__ float32 getSingleConstant(const unsigned int nIndex) +static inline float32 __pure getSingleConstant(const unsigned int nIndex) { extern const float32 float32Constant[]; return float32Constant[nIndex]; diff --git a/drivers/media/video/v4l1-compat.c b/drivers/media/video/v4l1-compat.c index 9eac65f34bff..dcf22a3b672a 100644 --- a/drivers/media/video/v4l1-compat.c +++ b/drivers/media/video/v4l1-compat.c @@ -144,7 +144,7 @@ const static unsigned int palette2pixelformat[] = { [VIDEO_PALETTE_YUV422P] = V4L2_PIX_FMT_YUV422P, }; -static unsigned int __attribute_pure__ +static unsigned int __pure palette_to_pixelformat(unsigned int palette) { if (palette < ARRAY_SIZE(palette2pixelformat)) diff --git a/include/asm-blackfin/processor.h b/include/asm-blackfin/processor.h index 6bb3e0d4705d..c571e958558c 100644 --- a/include/asm-blackfin/processor.h +++ b/include/asm-blackfin/processor.h @@ -104,13 +104,13 @@ unsigned long get_wchan(struct task_struct *p); #define cpu_relax() barrier() /* Get the Silicon Revision of the chip */ -static inline __attribute_pure__ uint32_t bfin_revid(void) +static inline uint32_t __pure bfin_revid(void) { /* stored in the upper 4 bits */ return bfin_read_CHIPID() >> 28; } -static inline __attribute_pure__ uint32_t bfin_compiled_revid(void) +static inline uint32_t __pure bfin_compiled_revid(void) { #if defined(CONFIG_BF_REV_0_0) return 0; diff --git a/include/asm-ppc/time.h b/include/asm-ppc/time.h index f7eadf6ac806..81dbcd43a501 100644 --- a/include/asm-ppc/time.h +++ b/include/asm-ppc/time.h @@ -57,7 +57,7 @@ static __inline__ void set_dec(unsigned int val) /* Accessor functions for the timebase (RTC on 601) registers. */ /* If one day CONFIG_POWER is added just define __USE_RTC as 1 */ #ifdef CONFIG_6xx -extern __inline__ int __attribute_pure__ __USE_RTC(void) { +extern __inline__ int __pure __USE_RTC(void) { return (mfspr(SPRN_PVR)>>16) == 1; } #else diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index acd583384bd9..fe23792f05c1 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -36,10 +36,20 @@ #define __weak __attribute__((weak)) #define __naked __attribute__((naked)) #define __noreturn __attribute__((noreturn)) + +/* + * From the GCC manual: + * + * Many functions have no effects except the return value and their + * return value depends only on the parameters and/or global + * variables. Such a function can be subject to common subexpression + * elimination and loop optimization just as an arithmetic operator + * would be. + * [...] + */ #define __pure __attribute__((pure)) #define __aligned(x) __attribute__((aligned(x))) #define __printf(a,b) __attribute__((format(printf,a,b))) #define noinline __attribute__((noinline)) -#define __attribute_pure__ __attribute__((pure)) #define __attribute_const__ __attribute__((__const__)) #define __maybe_unused __attribute__((unused)) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 86f9a3a6137d..c811c8b979ac 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -132,20 +132,6 @@ extern void __chk_io_ptr(const volatile void __iomem *); # define __maybe_unused /* unimplemented */ #endif -/* - * From the GCC manual: - * - * Many functions have no effects except the return value and their - * return value depends only on the parameters and/or global - * variables. Such a function can be subject to common subexpression - * elimination and loop optimization just as an arithmetic operator - * would be. - * [...] - */ -#ifndef __attribute_pure__ -# define __attribute_pure__ /* unimplemented */ -#endif - #ifndef noinline #define noinline #endif diff --git a/lib/crc32.c b/lib/crc32.c index bfc33314c720..d2c2f257bedd 100644 --- a/lib/crc32.c +++ b/lib/crc32.c @@ -49,7 +49,7 @@ MODULE_LICENSE("GPL"); * @p: pointer to buffer over which CRC is run * @len: length of buffer @p */ -u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len); +u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len); #if CRC_LE_BITS == 1 /* @@ -57,7 +57,7 @@ u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len); * simplified by inlining the table in ?: form. */ -u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len) +u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len) { int i; while (len--) { @@ -69,7 +69,7 @@ u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len) } #else /* Table-based approach */ -u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len) +u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len) { # if CRC_LE_BITS == 8 const u32 *b =(u32 *)p; @@ -145,7 +145,7 @@ u32 __attribute_pure__ crc32_le(u32 crc, unsigned char const *p, size_t len) * @p: pointer to buffer over which CRC is run * @len: length of buffer @p */ -u32 __attribute_pure__ crc32_be(u32 crc, unsigned char const *p, size_t len); +u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len); #if CRC_BE_BITS == 1 /* @@ -153,7 +153,7 @@ u32 __attribute_pure__ crc32_be(u32 crc, unsigned char const *p, size_t len); * simplified by inlining the table in ?: form. */ -u32 __attribute_pure__ crc32_be(u32 crc, unsigned char const *p, size_t len) +u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len) { int i; while (len--) { @@ -167,7 +167,7 @@ u32 __attribute_pure__ crc32_be(u32 crc, unsigned char const *p, size_t len) } #else /* Table-based approach */ -u32 __attribute_pure__ crc32_be(u32 crc, unsigned char const *p, size_t len) +u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len) { # if CRC_BE_BITS == 8 const u32 *b =(u32 *)p; diff --git a/lib/libcrc32c.c b/lib/libcrc32c.c index 60f46803af3f..802f11f0bf5b 100644 --- a/lib/libcrc32c.c +++ b/lib/libcrc32c.c @@ -66,7 +66,7 @@ EXPORT_SYMBOL(crc32c_le); * loop below with crc32 and vary the POLY if we don't find value in terms * of space and maintainability in keeping the two modules separate. */ -u32 __attribute_pure__ +u32 __pure crc32c_le(u32 crc, unsigned char const *p, size_t len) { int i; @@ -160,7 +160,7 @@ static const u32 crc32c_table[256] = { * crc using table. */ -u32 __attribute_pure__ +u32 __pure crc32c_le(u32 seed, unsigned char const *data, size_t length) { u32 crc = __cpu_to_le32(seed); @@ -177,7 +177,7 @@ crc32c_le(u32 seed, unsigned char const *data, size_t length) EXPORT_SYMBOL(crc32c_be); #if CRC_BE_BITS == 1 -u32 __attribute_pure__ +u32 __pure crc32c_be(u32 crc, unsigned char const *p, size_t len) { int i; |