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https://github.com/nim-lang/Nim.git
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45 lines
1.4 KiB
Nim
45 lines
1.4 KiB
Nim
discard """
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ccodeCheck: "\\i @'NIM_ALIGN(128) NI mylocal1' .*"
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target: "c cpp"
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output: "align ok"
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"""
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# This is for Azure. The keyword ``alignof`` only exists in ``c++11``
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# and newer. On Azure gcc does not default to c++11 yet.
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import globalalignas
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var toplevel1 {.align: 32.} : int32
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var toplevel2 {.align: 32.} : int32
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var toplevel3 {.align: 32.} : int32
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proc foobar() =
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var myvar1 {.global, align(64).}: int = 123
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var myvar2 {.global, align(64).}: int = 123
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var myvar3 {.global, align(64).}: int = 123
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doAssert (cast[uint](addr(myglobal1)) and 127) == 0
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doAssert (cast[uint](addr(myglobal2)) and 127) == 0
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doAssert (cast[uint](addr(myglobal3)) and 127) == 0
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doAssert (cast[uint](addr(myvar1)) and 63) == 0
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doAssert (cast[uint](addr(myvar2)) and 63) == 0
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doAssert (cast[uint](addr(myvar3)) and 63) == 0
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doAssert (cast[uint](addr(toplevel1)) and 31) == 0
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doAssert (cast[uint](addr(toplevel2)) and 31) == 0
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doAssert (cast[uint](addr(toplevel3)) and 31) == 0
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# test multiple align expressions
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var mylocal1 {.align(0), align(128), align(32).}: int = 123
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var mylocal2 {.align(128), align(0), align(32).}: int = 123
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var mylocal3 {.align(0), align(32), align(128).}: int = 123
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doAssert (cast[uint](addr(mylocal1)) and 127) == 0
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doAssert (cast[uint](addr(mylocal2)) and 127) == 0
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doAssert (cast[uint](addr(mylocal3)) and 127) == 0
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echo "align ok"
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foobar()
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