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Fix crash with some older GCC versions. Reported in issue #7.

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This commit is contained in:
Moinak Ghosh 2013-05-01 19:27:43 +05:30
parent eae16b82d3
commit 6e4d45b644
2 changed files with 11 additions and 5 deletions
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6
utils/cpuid.c
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@ -112,8 +112,12 @@ cpu_exec_cpuid_ext(uint32_t* regs)
exec_cpuid(regs); exec_cpuid(regs);
} }
/*
* The function below is not inlined as it appears to bork optimized
* code generation on some older buggy GCC versions.
*/
void void
cpuid_get_raw_data(struct cpu_raw_data_t* data) NOINLINE_ATTR cpuid_get_raw_data(struct cpu_raw_data_t* data)
{ {
unsigned i; unsigned i;
for (i = 0; i < 32; i++) for (i = 0; i < 32; i++)

2
utils/utils.h
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@ -116,11 +116,13 @@ typedef int32_t bsize_t;
# define ATOMIC_SUB(var, val) __sync_fetch_and_sub(&var, val) # define ATOMIC_SUB(var, val) __sync_fetch_and_sub(&var, val)
# define PREFETCH_WRITE(x, n) __builtin_prefetch((x), 1, (n)) # define PREFETCH_WRITE(x, n) __builtin_prefetch((x), 1, (n))
# define PREFETCH_READ(x, n) __builtin_prefetch((x), 0, (n)) # define PREFETCH_READ(x, n) __builtin_prefetch((x), 0, (n))
# define NOINLINE_ATTR __attribute__((noinline))
#else #else
# define likely(expr) (expr) # define likely(expr) (expr)
# define unlikely(expr) (expr) # define unlikely(expr) (expr)
# define PREFETCH_WRITE(x, n) # define PREFETCH_WRITE(x, n)
# define PREFETCH_READ(x, n) # define PREFETCH_READ(x, n)
# define NOINLINE_ATTR
# if defined(sun) || defined (__sun) # if defined(sun) || defined (__sun)
# include <atomic.h> # include <atomic.h>
# define ATOMIC_ADD(var, val) atomic_add_int(&var, val) # define ATOMIC_ADD(var, val) atomic_add_int(&var, val)