27 lines
673 B
C
27 lines
673 B
C
/* Test for stack alignment when PREFERRED_STACK_BOUNDARY > alignment
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of local variable. */
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/* { dg-do compile } */
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/* { dg-options "-O2 -mpreferred-stack-boundary=6 -mincoming-stack-boundary=6" } */
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/* { dg-final { scan-assembler "and\[lq\]?\[\\t \]*\\$-64,\[\\t \]*%\[re\]?sp" } } */
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/* { dg-final { scan-assembler-not "and\[lq\]?\[\\t \]*\\$-128,\[\\t \]*%\[re\]?sp" } } */
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#include <stddef.h>
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#define ALIGNMENT 32
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typedef int aligned __attribute__((aligned(ALIGNMENT)));
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extern void abort(void);
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__attribute__ ((noinline))
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void check(void * a)
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{
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if (((ptrdiff_t)a & (ALIGNMENT-1)) != 0)
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abort();
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}
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int main()
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{
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aligned a = 1;
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check(&a);
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return 0;
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}
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