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| author | Ilya Tocar <ilya.tocar@intel.com> | 2014-08-01 17:58:32 +0400 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2014-08-06 08:32:01 -0700 |
| commit | d022bddd4fd93428a7fa3cc7ad404c912ed20dbf (patch) | |
| tree | 03fca1a622763ceb73b02e5c514be06f46f20681 /gas/testsuite | |
| parent | ad9fe6c108abf73f47219655ff19a5ec68b68124 (diff) | |
| download | gdb-d022bddd4fd93428a7fa3cc7ad404c912ed20dbf.zip gdb-d022bddd4fd93428a7fa3cc7ad404c912ed20dbf.tar.gz gdb-d022bddd4fd93428a7fa3cc7ad404c912ed20dbf.tar.bz2 | |
Add -momit_lock_prefix=[no|yes] option
This option serves as a workaround for processors, which fail on lock
prefix.
gas/
* config/tc-i386.c (omit_lock_prefix): New.
(output_insn): Omit lock prefix if omit_lock_prefix is true.
(OPTION_omit_lock_prefix): New.
(md_longopts): Add momit-lock-prefix.
(md_parse_option): Handle momit-lock-prefix.
(md_show_usage): Add momit-lock-prefix=[no|yes].
* doc/c-i386.texi (momit-lock-prefix): Document.
gas/testsuite/
* gas/i386/i386.exp: Run new tests.
* gas/i386/omit-lock-no.d: New.
* gas/i386/omit-lock-yes.d: Ditto.
* gas/i386/omit-lock.s: Ditto.
Diffstat (limited to 'gas/testsuite')
| -rw-r--r-- | gas/testsuite/ChangeLog | 7 | ||||
| -rw-r--r-- | gas/testsuite/gas/i386/i386.exp | 2 | ||||
| -rw-r--r-- | gas/testsuite/gas/i386/omit-lock-no.d | 12 | ||||
| -rw-r--r-- | gas/testsuite/gas/i386/omit-lock-yes.d | 12 | ||||
| -rw-r--r-- | gas/testsuite/gas/i386/omit-lock.s | 6 |
5 files changed, 39 insertions, 0 deletions
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog index acb0ac2..44e3c34 100644 --- a/gas/testsuite/ChangeLog +++ b/gas/testsuite/ChangeLog @@ -1,3 +1,10 @@ +2014-08-06 Ilya Tocar <ilya.tocar@intel.com> + + * gas/i386/i386.exp: Run new tests. + * gas/i386/omit-lock-no.d: New. + * gas/i386/omit-lock-yes.d: Ditto. + * gas/i386/omit-lock.s: Ditto. + 2014-07-29 Matthew Fortune <matthew.fortune@imgtec.com> * gas/mips/attr-gnu-4-0.d: New. diff --git a/gas/testsuite/gas/i386/i386.exp b/gas/testsuite/gas/i386/i386.exp index 01de5d9..680d28c 100644 --- a/gas/testsuite/gas/i386/i386.exp +++ b/gas/testsuite/gas/i386/i386.exp @@ -301,6 +301,8 @@ if [expr ([istarget "i*86-*-*"] || [istarget "x86_64-*-*"]) && [gas_32_check]] run_dump_test "avx512dq" run_dump_test "avx512dq_vl-intel" run_dump_test "avx512dq_vl" + run_dump_test "omit-lock-yes" + run_dump_test "omit-lock-no" run_dump_test "disassem" # These tests require support for 8 and 16 bit relocs, diff --git a/gas/testsuite/gas/i386/omit-lock-no.d b/gas/testsuite/gas/i386/omit-lock-no.d new file mode 100644 index 0000000..87f796f --- /dev/null +++ b/gas/testsuite/gas/i386/omit-lock-no.d @@ -0,0 +1,12 @@ +#source: omit-lock.s +#as: -momit-lock-prefix=yes -momit-lock-prefix=no +#objdump: -dw +#name: i386 omit lock = no + +.*: +file format .*i386.* + +Disassembly of section .text: + +0+ <main>: + 0: f0 f0 83 00 01 lock lock addl \$0x1,\(%eax\) +#pass diff --git a/gas/testsuite/gas/i386/omit-lock-yes.d b/gas/testsuite/gas/i386/omit-lock-yes.d new file mode 100644 index 0000000..67f0ef1 --- /dev/null +++ b/gas/testsuite/gas/i386/omit-lock-yes.d @@ -0,0 +1,12 @@ +#source: omit-lock.s +#as: -momit-lock-prefix=yes +#objdump: -dw +#name: i386 omit lock = yes + +.*: +file format .*i386.* + +Disassembly of section .text: + +0+ <main>: + 0: 83 00 01 addl \$0x1,\(%eax\) +#pass diff --git a/gas/testsuite/gas/i386/omit-lock.s b/gas/testsuite/gas/i386/omit-lock.s new file mode 100644 index 0000000..b267ebe --- /dev/null +++ b/gas/testsuite/gas/i386/omit-lock.s @@ -0,0 +1,6 @@ + .code32 +.globl main + .type main, @function +main: + lock + lock addl $0x1,(%eax) |