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libffi43
s390-literalpool-cse
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File s390-literalpool-cse of Package libffi43
Index: gcc/config/s390/s390.c =================================================================== *** gcc/config/s390/s390.c.orig --- gcc/config/s390/s390.c *************** s390_decompose_address (rtx addr, struct *** 1994,1999 **** --- 1994,2009 ---- else if (GET_CODE (disp) == UNSPEC && XINT (disp, 1) == UNSPEC_LTREL_OFFSET) { + /* In case CSE pulled a non literal pool reference out of + the pool we have to reject the address. This is + especially important when loading the GOT pointer on non + zarch CPUs. In this case the literal pool contains an lt + relative offset to the _GLOBAL_OFFSET_TABLE_ label which + will most likely exceed the displacement. */ + if (GET_CODE (XVECEXP (disp, 0, 0)) != SYMBOL_REF + || !CONSTANT_POOL_ADDRESS_P (XVECEXP (disp, 0, 0))) + return false; + orig_disp = gen_rtx_CONST (Pmode, disp); if (offset) {
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