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# Test for error messages when a bad register name, an out of range operand, or 
# invalid syntax is used.  Adapted from Ben Elliston's load-hazard testcase.

# Run GAS and check that it emits the desired error for the test case.
# Arguments:
#   file -- name of the test case to assemble.
#   testname -- a string describing the test.
#   warnpattern -- a regular expression, suitable for use by the Tcl
#     regexp command, to decide if the warning string was emitted by
#     the assembler to stderr.

proc mrisc1_error_test { file testname {warnpattern ""} } {
    global comp_output

    gas_run $file "" ">/dev/null"
    verbose "output was $comp_output" 2

    if {$warnpattern == ""} {
        if {$comp_output == ""} { pass $testname } else { fail $testname }
        return
    }

    if {[regexp "Error: $warnpattern" $comp_output]} {
        pass $testname
    } else {
        fail $testname
    }
}

if [istarget mt-*-*] {
    foreach file [glob -nocomplain -- $srcdir/$subdir/bad*.s] {
        set file [file tail $file]
        switch -- $file {
            "badreg.s" {
                set warnpattern "unrecognized keyword/register name *"
            }
            "badorder.s" {
                set warnpattern "unrecognized form of instruction*"
            }
            "badsyntax.s" {
                set warnpattern "unrecognized keyword/register name *"
            }
            "badsyntax1.s" {
                set warnpattern "unrecognized form of instruction*"
            }
            "badoffsethigh.s" {
                set warnpattern "Operand out of range. Must be between -32768 and 32767.*"
            }
            "badoffsetlow.s" {
                set warnpattern "Operand out of range. Must be between -32768 and 32767.*"
            }
            "badunsignedimmhigh.s" {
                set warnpattern "operand out of range (65536 not between 0 and 65535)*"
            }
            "badunsignedimmlow.s" {
                set warnpattern "operand out of range (65536 not between 0 and 65535)*"
            }
            "badsignedimmhigh.s" {
                set warnpattern "operand out of range.*"
            }
            "badsignedimmlow.s" {
                set warnpattern "operand out of range.*"
            }
            "badinsn.s" {
                set warnpattern "unrecognized instruction *"
            }
            "badinsn1.s" {
                set warnpattern "junk at end of line *"
            }
            default {
                error "no expected result specified for $file"
                return

            }
        }
        mrisc1_error_test $file "assembler emits error for $file" $warnpattern
    }

}