I see https://gcc.gnu.org/ml/gcc-patches/2005-10/msg00253.html, but don't find the description in C ABI.
*** gcc.orig/gcc/stor-layout.c Thu Sep 29 10:27:09 2005
--- gcc/gcc/stor-layout.c Wed Oct 5 15:00:30 2005
*************** layout_type (tree type)
*** 1817,1822 ****
--- 1817,1828 ----
TYPE_MODE (type) = BLKmode;
}
}
+ if (TYPE_SIZE_UNIT (element)
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zhongyunde2019
Last Activity: Apr 3 '19, 04:43 PM
Joined: Apr 3 '19
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can the alignment of array elements letter than element size?
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zhongyunde2019 started a topic Do __attribute__((aligned(16))) take active for every element or the total variable?in CDo __attribute__((aligned(16))) take active for every element or the total variable?
typedef __attribute__(( aligned(16)))
struct {
unsigned long long w[3];
} UINT192;
UINT192 bid_Kx192[32];
extern void abort (void);
int main()
{
int i = 0;
unsigned long x = 0;
for (i = 0; i < 32; ++i)
bid_Kx192[i].w[1] = i == 1;
for (i = 0; i < 32; ++i)
x += bid_Kx192[1].w[1];
if (x != 32)
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