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drivers/periph_common/cpuid: disable false positive warnings

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The warnings appeared after the -fno-builtin compiler flag was removed (#17898),
but the code is looking fine and tests/periph_cpuid shows correct results.
This commit is contained in:
Fabian Hüßler 2022-04-10 11:57:00 +02:00
parent c89f6bf115
commit 045d88df7c
1 changed files with 6 additions and 0 deletions
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6
drivers/periph_common/cpuid.c
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@ -31,6 +31,12 @@
#ifdef CPUID_ADDR
void cpuid_get(void *id)
{
/* gcc 11.2.0 builtin bounds checking raises the following false positive warnings */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpragmas" /* silence the CI due to unknown -Wstringop-overread */
#pragma GCC diagnostic ignored "-Warray-bounds"
#pragma GCC diagnostic ignored "-Wstringop-overread"
memcpy(id, (void *)CPUID_ADDR, CPUID_LEN);
#pragma GCC diagnostic pop
}
#endif