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b3adc24a | 1 | # Copyright (C) 2012-2020 Free Software Foundation, Inc. |
5bf135a7 NC |
2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
5 | # the Free Software Foundation; either version 3 of the License, or | |
6 | # (at your option) any later version. | |
7 | # | |
8 | # This program is distributed in the hope that it will be useful, | |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
14 | # along with this program; if not, write to the Free Software | |
15 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. | |
16 | ||
a99bcdd0 SC |
17 | # Test for warnings when producing load hazards (instructions that |
18 | # reference the target of load one stage further down the pipeline. | |
19 | # Written by Ben Elliston (bje@redhat.com) | |
20 | ||
21 | # Run GAS and check that it emits the desired warning for the test case. | |
22 | # Arguments: | |
23 | # file -- name of the test case to assemble. | |
24 | # testname -- a string describing the test. | |
25 | # warnpattern -- a regular expression, suitable for use by the Tcl | |
26 | # regexp command, to decide if the warning string was emitted by | |
27 | # the assembler to stderr. | |
28 | ||
29 | proc iq2000_warning_test { file testname {warnpattern ""} } { | |
30 | global comp_output | |
31 | ||
32 | gas_run $file "" ">/dev/null" | |
33 | verbose "output was $comp_output" 2 | |
34 | ||
35 | if {$warnpattern == ""} { | |
36 | if {$comp_output == ""} { pass $testname } else { fail $testname } | |
37 | return | |
38 | } | |
39 | ||
40 | if {[regexp "Warning: $warnpattern" $comp_output]} { | |
41 | pass $testname | |
42 | } else { | |
43 | fail $testname | |
44 | } | |
45 | } | |
46 | ||
47 | if [istarget iq2000*-*-*] { | |
4287f8de | 48 | foreach file [lsort [glob -nocomplain -- $srcdir/$subdir/hazard*.s]] { |
a99bcdd0 SC |
49 | set file [file tail $file] |
50 | switch -- $file { | |
51 | "hazard0.s" { | |
52 | set warnpattern "operand references R10 of previous load" | |
53 | } | |
54 | "hazard1.s" { | |
55 | set warnpattern "operand references R1 of previous load" | |
56 | } | |
57 | "hazard2.s" { | |
58 | set warnpattern "operand references R2 of previous load" | |
59 | } | |
60 | "hazard3.s" { | |
61 | set warnpattern "instruction implicitly accesses R31 of previous load" | |
62 | } | |
63 | "hazard4.s" { | |
64 | set warnpattern "operand references R10 of previous load" | |
65 | } | |
66 | "hazard5.s" { | |
67 | set warnpattern "operand references R8 of previous load" | |
68 | } | |
69 | default { | |
70 | error "no expected result specified for $file" | |
71 | return | |
72 | } | |
73 | } | |
74 | iq2000_warning_test $file "assembler emits load hazard warning for $file" $warnpattern | |
75 | } | |
76 | ||
77 | set testname "assembler emits no warnings when there are no load hazards" | |
78 | iq2000_warning_test nohazard.s $testname | |
79 | } |