9373f27599
(%dx) isn't a valid memory address in any modes. It is used as a special memory operand for input/output port address in AT&T syntax and should only be used with input/output instructions. Update i386_att_operand to set i.input_output_operand to true for (%dx) and issue an error if (%dx) is used with non-input/output instructions. PR gas/29751 * config/tc-i386.c (_i386_insn): Add input_output_operand. (md_assemble): Issue an error if input/output memory operand is used with non-input/output instructions. (i386_att_operand): Set i.input_output_operand to true for (%dx). * testsuite/gas/i386/inval.l: Updated. * testsuite/gas/i386/x86-64-inval.l: Likewise. * testsuite/gas/i386/inval.s: Add tests for invalid (%dx) usage. * testsuite/gas/i386/x86-64-inval.s: Likewise. |
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