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target/ppc: Remove silly GETFIELD/SETFIELD/MASK_TO_LSH macros
The (only) obvious use for these macros is constructing and parsing guest visible register fields. But the way they're constructed, they're only valid when used on a *host* long, whose size shouldn't be visible to the guest at all. They also have no current users, so just get rid of them. Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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@ -78,18 +78,6 @@
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PPC_BIT32(bs))
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#define PPC_BITMASK8(bs, be) ((PPC_BIT8(bs) - PPC_BIT8(be)) | PPC_BIT8(bs))
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#if HOST_LONG_BITS == 32
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# define MASK_TO_LSH(m) (__builtin_ffsll(m) - 1)
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#elif HOST_LONG_BITS == 64
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# define MASK_TO_LSH(m) (__builtin_ffsl(m) - 1)
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#else
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# error Unknown sizeof long
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#endif
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#define GETFIELD(m, v) (((v) & (m)) >> MASK_TO_LSH(m))
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#define SETFIELD(m, v, val) \
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(((v) & ~(m)) | ((((typeof(v))(val)) << MASK_TO_LSH(m)) & (m)))
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/*****************************************************************************/
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/* Exception vectors definitions */
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enum {
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