# Test for warnings when placing yield instructions into IQ2000's # branch delay slot. Written by Ben Elliston (bje@redhat.com) # 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. # pattern -- a regular expression, suitable for use by the Tcl # regexp command, to decide if the error string was emitted by # the assembler to stderr. proc iq2000_error_test { file testname {pattern ""} } { global comp_output gas_run $file "" ">/dev/null" verbose "output was $comp_output" 2 if {$pattern == ""} { if {$comp_output == ""} { pass $testname } else { fail $testname } return } if {[regexp "Error: $pattern" $comp_output]} { pass $testname } else { fail $testname } } if [istarget iq2000*-*-*] { foreach file [glob -nocomplain -- $srcdir/$subdir/yield*.s] { set file [file tail $file] iq2000_error_test $file \ "assembler emits yield instruction in delay slot error for $file" \ "the yielding instruction \[a-zA-Z0-9\]+ may not be in a delay slot." } set testname "assembler emits no warnings for non-yield instruction in delay slot" iq2000_error_test noyield.s $testname }