Fix soft-fp build warning on sparc about strict aliasing.
* sysdeps/sparc/sparc32/soft-fp/q_neg.c (_Q_neg): Use a union to access the quad as both a long double and as a series of 4 words.
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2014-12-19 David S. Miller <davem@davemloft.net>
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2014-12-19 David S. Miller <davem@davemloft.net>
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* sysdeps/sparc/sparc32/soft-fp/q_neg.c (_Q_neg): Use a union to
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access the quad as both a long double and as a series of 4 words.
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* get-dynamic-info.h (elf_get_dynamic_info): Ignore -Warray-bounds for a
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* get-dynamic-info.h (elf_get_dynamic_info): Ignore -Warray-bounds for a
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link_map->l_info array access.
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link_map->l_info array access.
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@ -24,20 +24,25 @@
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long double _Q_neg(const long double a)
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long double _Q_neg(const long double a)
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{
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{
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long double c = a;
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union {
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long double ldbl;
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UWtype words[4];
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} c;
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c.ldbl = a;
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#if (__BYTE_ORDER == __BIG_ENDIAN)
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#if (__BYTE_ORDER == __BIG_ENDIAN)
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((UWtype *)&c)[0] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
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c.words[0] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
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#elif (__BYTE_ORDER == __LITTLE_ENDIAN) && (W_TYPE_SIZE == 64)
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#elif (__BYTE_ORDER == __LITTLE_ENDIAN) && (W_TYPE_SIZE == 64)
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((UWtype *)&c)[1] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
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c.words[1] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
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#elif (__BYTE_ORDER == __LITTLE_ENDIAN) && (W_TYPE_SIZE == 32)
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#elif (__BYTE_ORDER == __LITTLE_ENDIAN) && (W_TYPE_SIZE == 32)
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((UWtype *)&c)[3] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
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c.words[3] ^= (((UWtype)1) << (W_TYPE_SIZE - 1));
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#else
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#else
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FP_DECL_Q(A); FP_DECL_Q(C);
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FP_DECL_Q(A); FP_DECL_Q(C);
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FP_UNPACK_RAW_Q(A, a);
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FP_UNPACK_RAW_Q(A, a);
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FP_NEG_Q(C, A);
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FP_NEG_Q(C, A);
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FP_PACK_RAW_Q(c, C);
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FP_PACK_RAW_Q(c.ldbl, C);
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#endif
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#endif
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return c;
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return c.ldbl;
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}
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}
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