projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 5bf135a7 NC |
1 | # Copyright 2012 |
| 2 | # Free Software Foundation, Inc. | |
| 3 | ||
| 4 | # This program is free software; you can redistribute it and/or modify | |
| 5 | # it under the terms of the GNU General Public License as published by | |
| 6 | # the Free Software Foundation; either version 3 of the License, or | |
| 7 | # (at your option) any later version. | |
| 8 | # | |
| 9 | # This program is distributed in the hope that it will be useful, | |
| 10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | # GNU General Public License for more details. | |
| 13 | # | |
| 14 | # You should have received a copy of the GNU General Public License | |
| 15 | # along with this program; if not, write to the Free Software | |
| 16 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. | |
| 17 | ||
| a99bcdd0 SC |
18 | # Test for warnings when producing load hazards (instructions that |
| 19 | # reference the target of load one stage further down the pipeline. | |
| 20 | # Written by Ben Elliston (bje@redhat.com) | |
| 21 | ||
| 22 | # Run GAS and check that it emits the desired warning for the test case. | |
| 23 | # Arguments: | |
| 24 | # file -- name of the test case to assemble. | |
| 25 | # testname -- a string describing the test. | |
| 26 | # warnpattern -- a regular expression, suitable for use by the Tcl | |
| 27 | # regexp command, to decide if the warning string was emitted by | |
| 28 | # the assembler to stderr. | |
| 29 | ||
| 30 | proc iq2000_warning_test { file testname {warnpattern ""} } { | |
| 31 | global comp_output | |
| 32 | ||
| 33 | gas_run $file "" ">/dev/null" | |
| 34 | verbose "output was $comp_output" 2 | |
| 35 | ||
| 36 | if {$warnpattern == ""} { | |
| 37 | if {$comp_output == ""} { pass $testname } else { fail $testname } | |
| 38 | return | |
| 39 | } | |
| 40 | ||
| 41 | if {[regexp "Warning: $warnpattern" $comp_output]} { | |
| 42 | pass $testname | |
| 43 | } else { | |
| 44 | fail $testname | |
| 45 | } | |
| 46 | } | |
| 47 | ||
| 48 | if [istarget iq2000*-*-*] { | |
| 4287f8de | 49 | foreach file [lsort [glob -nocomplain -- $srcdir/$subdir/hazard*.s]] { |
| a99bcdd0 SC |
50 | set file [file tail $file] |
| 51 | switch -- $file { | |
| 52 | "hazard0.s" { | |
| 53 | set warnpattern "operand references R10 of previous load" | |
| 54 | } | |
| 55 | "hazard1.s" { | |
| 56 | set warnpattern "operand references R1 of previous load" | |
| 57 | } | |
| 58 | "hazard2.s" { | |
| 59 | set warnpattern "operand references R2 of previous load" | |
| 60 | } | |
| 61 | "hazard3.s" { | |
| 62 | set warnpattern "instruction implicitly accesses R31 of previous load" | |
| 63 | } | |
| 64 | "hazard4.s" { | |
| 65 | set warnpattern "operand references R10 of previous load" | |
| 66 | } | |
| 67 | "hazard5.s" { | |
| 68 | set warnpattern "operand references R8 of previous load" | |
| 69 | } | |
| 70 | default { | |
| 71 | error "no expected result specified for $file" | |
| 72 | return | |
| 73 | } | |
| 74 | } | |
| 75 | iq2000_warning_test $file "assembler emits load hazard warning for $file" $warnpattern | |
| 76 | } | |
| 77 | ||
| 78 | set testname "assembler emits no warnings when there are no load hazards" | |
| 79 | iq2000_warning_test nohazard.s $testname | |
| 80 | } |