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80b40b8784
The varargs code for SVR4 puts all (integer) arguments in 4-byte slots. When it then reads an item from there as something not a multiple of 4 bytes, it needs to adjust the address if big endian. We didn't yet do that. This fixes the g++.dg/abi/scoped1.C, gcc.dg/compat/scalar-by-value-4, and gcc.dg/compat/scalar-return-4 testcases. PR target/61729 PR target/77850 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Adjust address to read from, for big endian. From-SVN: r244740
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