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| author | H.J. Lu <hjl.tools@gmail.com> | 2017-11-21 16:44:29 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2017-11-21 16:44:29 -0800 |
| commit | 0ad71725d917c51b46ffacbad25744dd889e87da (patch) | |
| tree | 5819a1aff76560bb2097a3f8e2a04d4c9257b06e /gas/testsuite | |
| parent | c757658ed60fb1027a4335358bd55eaf6c23190f (diff) | |
| download | gdb-0ad71725d917c51b46ffacbad25744dd889e87da.zip gdb-0ad71725d917c51b46ffacbad25744dd889e87da.tar.gz gdb-0ad71725d917c51b46ffacbad25744dd889e87da.tar.bz2 | |
x86: Add tests for -n option of x86 assembler
The -n command-line of x86 assembler disables optimization of alignment
directives, like ".balign 8, 0x90", with multi-byte nop instructions
such as leal 0(%esi),%esi.
PR gas/22464
* testsuite/gas/i386/align-1.s: New file.
* testsuite/gas/i386/align-1a.d: Likewise.
* testsuite/gas/i386/align-1b.d: Likewise.
* testsuite/gas/i386/i386.exp: Run align-1a and align-1b.
Diffstat (limited to 'gas/testsuite')
| -rw-r--r-- | gas/testsuite/gas/i386/align-1.s | 7 | ||||
| -rw-r--r-- | gas/testsuite/gas/i386/align-1a.d | 17 | ||||
| -rw-r--r-- | gas/testsuite/gas/i386/align-1b.d | 24 | ||||
| -rw-r--r-- | gas/testsuite/gas/i386/i386.exp | 2 |
4 files changed, 50 insertions, 0 deletions
diff --git a/gas/testsuite/gas/i386/align-1.s b/gas/testsuite/gas/i386/align-1.s new file mode 100644 index 0000000..69638d2 --- /dev/null +++ b/gas/testsuite/gas/i386/align-1.s @@ -0,0 +1,7 @@ + .text +_start: + movl %edi, %eax + .balign 8, 0x90 + movl $0, %edx + .balign 8, 0x90 + addl %eax, %edx diff --git a/gas/testsuite/gas/i386/align-1a.d b/gas/testsuite/gas/i386/align-1a.d new file mode 100644 index 0000000..3fc27cb --- /dev/null +++ b/gas/testsuite/gas/i386/align-1a.d @@ -0,0 +1,17 @@ +#name: i386 balign +#source: align-1.s +#as: -mtune=generic32 +#objdump: -dr + +.*: +file format .*i386.* + + +Disassembly of section .text: + +0+ <_start>: +[ ]*[a-f0-9]+: 89 f8 mov %edi,%eax +[ ]*[a-f0-9]+: 8d b6 00 00 00 00 lea 0x0\(%esi\),%esi +[ ]*[a-f0-9]+: ba 00 00 00 00 mov \$0x0,%edx +[ ]*[a-f0-9]+: 8d 76 00 lea 0x0\(%esi\),%esi +[ ]*[a-f0-9]+: 01 c2 add %eax,%edx +#pass diff --git a/gas/testsuite/gas/i386/align-1b.d b/gas/testsuite/gas/i386/align-1b.d new file mode 100644 index 0000000..f8300ea --- /dev/null +++ b/gas/testsuite/gas/i386/align-1b.d @@ -0,0 +1,24 @@ +#name: i386 balign (-n) +#source: align-1.s +#as: -mtune=generic32 -n +#objdump: -dr + +.*: +file format .*i386.* + + +Disassembly of section .text: + +0+ <_start>: +[ ]*[a-f0-9]+: 89 f8 mov %edi,%eax +[ ]*[a-f0-9]+: 90 nop +[ ]*[a-f0-9]+: 90 nop +[ ]*[a-f0-9]+: 90 nop +[ ]*[a-f0-9]+: 90 nop +[ ]*[a-f0-9]+: 90 nop +[ ]*[a-f0-9]+: 90 nop +[ ]*[a-f0-9]+: ba 00 00 00 00 mov \$0x0,%edx +[ ]*[a-f0-9]+: 90 nop +[ ]*[a-f0-9]+: 90 nop +[ ]*[a-f0-9]+: 90 nop +[ ]*[a-f0-9]+: 01 c2 add %eax,%edx +#pass diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp index a053676..7e102b6 100644 --- a/gas/testsuite/gas/i386/i386.exp +++ b/gas/testsuite/gas/i386/i386.exp @@ -427,6 +427,8 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_32_check]] run_dump_test "notrack" run_dump_test "notrack-intel" run_list_test "notrackbad" "-al" + run_dump_test "align-1a" + run_dump_test "align-1b" # These tests require support for 8 and 16 bit relocs, # so we only run them for ELF and COFF targets. |