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Add const attribute to byte-swapping functions

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This commit is contained in:
Michael Brown 2007-09-15 18:44:35 +01:00
parent 7e3527a658
commit 9c264faa0c
1 changed files with 3 additions and 3 deletions
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6
src/arch/i386/include/bits/byteswap.h
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@ -1,7 +1,7 @@
#ifndef ETHERBOOT_BITS_BYTESWAP_H
#define ETHERBOOT_BITS_BYTESWAP_H
static inline __attribute__ ((always_inline)) uint16_t
static inline __attribute__ ((always_inline, const)) uint16_t
__i386_bswap_16(uint16_t x)
{
__asm__("xchgb %b0,%h0\n\t"
@ -10,7 +10,7 @@ __i386_bswap_16(uint16_t x)
return x;
}
static inline __attribute__ ((always_inline)) uint32_t
static inline __attribute__ ((always_inline, const)) uint32_t
__i386_bswap_32(uint32_t x)
{
__asm__("xchgb %b0,%h0\n\t"
@ -21,7 +21,7 @@ __i386_bswap_32(uint32_t x)
return x;
}
static inline __attribute__ ((always_inline)) uint64_t
static inline __attribute__ ((always_inline, const)) uint64_t
__i386_bswap_64(uint64_t x)
{
union {