Unbreak jemalloc build with MALLOC_PRODUCTION set. New jemalloc version
uncovered MIPS-related gcc bug described in http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33256 The patch was obtained from r128198 in gcc-4_1-branch, which is GPLv2, so it's OK to merge it.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=234855
@ -1297,6 +1297,20 @@ mips_split_const (rtx x, rtx *base, HOST_WIDE_INT *offset)
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*base = x;
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}
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/* Classify symbolic expression X, given that it appears in context
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CONTEXT. */
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static enum mips_symbol_type
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mips_classify_symbolic_expression (rtx x)
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{
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HOST_WIDE_INT offset;
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mips_split_const (x, &x, &offset);
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if (UNSPEC_ADDRESS_P (x))
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return UNSPEC_ADDRESS_TYPE (x);
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return mips_classify_symbol (x);
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}
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/* Return true if SYMBOL is a SYMBOL_REF and OFFSET + SYMBOL points
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to the same object as SYMBOL, or to the same object_block. */
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@ -1534,8 +1548,17 @@ mips_classify_address (struct mips_address_info *info, rtx x,
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info->type = ADDRESS_LO_SUM;
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info->reg = XEXP (x, 0);
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info->offset = XEXP (x, 1);
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/* We have to trust the creator of the LO_SUM to do something vaguely
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sane. Target-independent code that creates a LO_SUM should also
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create and verify the matching HIGH. Target-independent code that
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adds an offset to a LO_SUM must prove that the offset will not
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induce a carry. Failure to do either of these things would be
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a bug, and we are not required to check for it here. The MIPS
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backend itself should only create LO_SUMs for valid symbolic
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constants, with the high part being either a HIGH or a copy
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of _gp. */
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info->symbol_type = mips_classify_symbolic_expression (info->offset);
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return (mips_valid_base_register_p (info->reg, mode, strict)
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&& mips_symbolic_constant_p (info->offset, &info->symbol_type)
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&& mips_symbolic_address_p (info->symbol_type, mode)
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&& mips_lo_relocs[info->symbol_type] != 0);
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@ -5671,7 +5694,8 @@ print_operand_reloc (FILE *file, rtx op, const char **relocs)
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rtx base;
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HOST_WIDE_INT offset;
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if (!mips_symbolic_constant_p (op, &symbol_type) || relocs[symbol_type] == 0)
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symbol_type = mips_classify_symbolic_expression (op);
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if (relocs[symbol_type] == 0)
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fatal_insn ("PRINT_OPERAND, invalid operand for relocation", op);
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/* If OP uses an UNSPEC address, we want to print the inner symbol. */
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