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| author | Jan Beulich <jbeulich@novell.com> | 2018-07-11 10:28:16 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2018-07-11 10:28:16 +0200 |
| commit | bd59a6313dbbf349dff197975f1b6a78be51b7d6 (patch) | |
| tree | ca7210e8435e3eaf210d14f83eecdbd957f28b0d /gas | |
| parent | 7f5cad304773ecbfe8b390e0b5d79fe11edb2a6b (diff) | |
| download | gdb-bd59a6313dbbf349dff197975f1b6a78be51b7d6.zip gdb-bd59a6313dbbf349dff197975f1b6a78be51b7d6.tar.gz gdb-bd59a6313dbbf349dff197975f1b6a78be51b7d6.tar.bz2 | |
x86: simplify legacy prefix emission
The check_prefix label was bogus from the beginning: The special
checking is supposed to happen for PadLock insns only; no
3-opcode-byte insn should go this path.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/config/tc-i386.c | 14 |
2 files changed, 9 insertions, 10 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index ddb6235..e6a6d09 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,10 @@ 2018-07-11 Jan Beulich <jbeulich@suse.com> + * config/tc-i386.c (output_insn): Remove check_prefix label and + fold remaining expression. + +2018-07-11 Jan Beulich <jbeulich@suse.com> + * testsuite/gas/i386/cet.s, testsuite/gas/i386/x86-64-cet.s: Add Intel cases with operand size specifiers. * testsuite/gas/i386/cet-intel.d, testsuite/gas/i386/cet.d, diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index a7b8400..61c1518 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -7676,22 +7676,16 @@ output_insn (void) if (i.tm.base_opcode & 0xff000000) { prefix = (i.tm.base_opcode >> 24) & 0xff; - goto check_prefix; + add_prefix (prefix); } break; case 2: if ((i.tm.base_opcode & 0xff0000) != 0) { prefix = (i.tm.base_opcode >> 16) & 0xff; - if (i.tm.cpu_flags.bitfield.cpupadlock) - { -check_prefix: - if (prefix != REPE_PREFIX_OPCODE - || (i.prefix[REP_PREFIX] - != REPE_PREFIX_OPCODE)) - add_prefix (prefix); - } - else + if (!i.tm.cpu_flags.bitfield.cpupadlock + || prefix != REPE_PREFIX_OPCODE + || (i.prefix[REP_PREFIX] != REPE_PREFIX_OPCODE)) add_prefix (prefix); } break; |