PR gas/11972
* config/tc-arm.c (parse_big_immediate): Allow for bignums being extended to the size of a .octa.
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2010-09-09 Nick Clifton <nickc@redhat.com>
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PR gas/11972
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* config/tc-arm.c (parse_big_immediate): Allow for bignums being
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extended to the size of a .octa.
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2010-09-08 Julian Brown <julian@codesourcery.com>
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* config/tc-arm.c (create_neon_reg_alias): Deal with case
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@ -4420,14 +4420,32 @@ parse_big_immediate (char **str, int i)
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}
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}
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else if (exp.X_op == O_big
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&& LITTLENUM_NUMBER_OF_BITS * exp.X_add_number > 32
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&& LITTLENUM_NUMBER_OF_BITS * exp.X_add_number <= 64)
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&& LITTLENUM_NUMBER_OF_BITS * exp.X_add_number > 32)
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{
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unsigned parts = 32 / LITTLENUM_NUMBER_OF_BITS, j, idx = 0;
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/* Bignums have their least significant bits in
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generic_bignum[0]. Make sure we put 32 bits in imm and
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32 bits in reg, in a (hopefully) portable way. */
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gas_assert (parts != 0);
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/* Make sure that the number is not too big.
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PR 11972: Bignums can now be sign-extended to the
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size of a .octa so check that the out of range bits
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are all zero or all one. */
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if (LITTLENUM_NUMBER_OF_BITS * exp.X_add_number > 64)
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{
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LITTLENUM_TYPE m = -1;
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if (generic_bignum[parts * 2] != 0
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&& generic_bignum[parts * 2] != m)
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return FAIL;
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for (j = parts * 2 + 1; j < (unsigned) exp.X_add_number; j++)
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if (generic_bignum[j] != generic_bignum[j-1])
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return FAIL;
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}
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inst.operands[i].imm = 0;
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for (j = 0; j < parts; j++, idx++)
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inst.operands[i].imm |= generic_bignum[idx]
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