24 lines
1.1 KiB
C
24 lines
1.1 KiB
C
/* { dg-do compile { target *-*-darwin* } } */
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/* { dg-additional-options "-fcommon" } */
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/* Test alignment rules which differ for earlier hosts (so we must
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work on the principle that this test will be exercised by self-
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hosted compilers. */
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#if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1070
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#define align_OK (1ul << 28)
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#define align_BAD (1ul << 29)
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#else
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#define align_OK (1ul << 15)
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#define align_BAD (1ul << 16)
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#endif
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/* All non common vars are allowed larger alignment on modern systems. */
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static int xn __attribute__ ((aligned (align_OK)));
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static int xi __attribute__ ((aligned (align_OK))) = 5 ;
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int gxi __attribute__ ((aligned (align_OK))) = 6 ;
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/* test that we detect bad cases. */
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static int yn __attribute__ ((aligned (align_BAD))); /* { dg-error {requested alignment .[0-9]+. exceeds object file maximum} } */
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static int yi __attribute__ ((aligned (align_BAD))) = 5; /* { dg-error {requested alignment .[0-9]+. exceeds object file maximum} } */
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int yni __attribute__ ((aligned (align_BAD))) = 6; /* { dg-error {requested alignment .[0-9]+. exceeds object file maximum} } */
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