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| author | Jan Beulich <jbeulich@suse.com> | 2021-03-09 08:54:32 +0100 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2021-03-09 08:54:32 +0100 |
| commit | 742732c7f0a989eaba7c1acac3ca5eeaa274df0e (patch) | |
| tree | 32ec72bb67be1d97b75aac567debc8630c3aae09 /gas | |
| parent | e93a3b27b23ca2850c01dfc8fdf1aa237d819193 (diff) | |
| download | gdb-742732c7f0a989eaba7c1acac3ca5eeaa274df0e.zip gdb-742732c7f0a989eaba7c1acac3ca5eeaa274df0e.tar.gz gdb-742732c7f0a989eaba7c1acac3ca5eeaa274df0e.tar.bz2 | |
x86: fold some prefix related attributes into a single one
RepPrefixOk, HLEPrefixOk, and NoTrackPrefixOk can't be specified
together, so can share an enum-like field. IsLockable can be inferred
from HLE setting and hence only needs specifying when neither of them
is present.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 7 | ||||
| -rw-r--r-- | gas/config/tc-i386.c | 21 |
2 files changed, 19 insertions, 9 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index ee553fb..74811be 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,12 @@ 2021-03-09 Jan Beulich <jbeulich@suse.com> + * config/tc-i386.c (check_hle): Replace HLEPrefix* by Prefix*. + (md_assemble): Replace use of repprefixok, islockable, and + notrackprefixok. + (i386_index_check): Replace use of repprefixok. + +2021-03-09 Jan Beulich <jbeulich@suse.com> + * testsuite/gas/i386/noreg64.s: Add sysexit. * testsuite/gas/i386/x86-64-sysenter-amd.s: Split sysexit into sysexitl and sysexitq. diff --git a/gas/config/tc-i386.c b/gas/config/tc-i386.c index 2aaffff..0790122 100644 --- a/gas/config/tc-i386.c +++ b/gas/config/tc-i386.c @@ -4038,22 +4038,25 @@ process_immext (void) static int check_hle (void) { - switch (i.tm.opcode_modifier.hleprefixok) + switch (i.tm.opcode_modifier.prefixok) { default: abort (); - case HLEPrefixNone: + case PrefixLock: + case PrefixNone: + case PrefixNoTrack: + case PrefixRep: as_bad (_("invalid instruction `%s' after `%s'"), i.tm.name, i.hle_prefix); return 0; - case HLEPrefixLock: + case PrefixHLELock: if (i.prefix[LOCK_PREFIX]) return 1; as_bad (_("missing `lock' with `%s'"), i.hle_prefix); return 0; - case HLEPrefixAny: + case PrefixHLEAny: return 1; - case HLEPrefixRelease: + case PrefixHLERelease: if (i.prefix[HLE_PREFIX] != XRELEASE_PREFIX_OPCODE) { as_bad (_("instruction `%s' after `xacquire' not allowed"), @@ -4792,7 +4795,7 @@ md_assemble (char *line) return; /* Check if REP prefix is OK. */ - if (i.rep_prefix && !i.tm.opcode_modifier.repprefixok) + if (i.rep_prefix && i.tm.opcode_modifier.prefixok != PrefixRep) { as_bad (_("invalid instruction `%s' after `%s'"), i.tm.name, i.rep_prefix); @@ -4802,7 +4805,7 @@ md_assemble (char *line) /* Check for lock without a lockable instruction. Destination operand must be memory unless it is xchg (0x86). */ if (i.prefix[LOCK_PREFIX] - && (!i.tm.opcode_modifier.islockable + && (i.tm.opcode_modifier.prefixok < PrefixLock || i.mem_operands == 0 || (i.tm.base_opcode != 0x86 && !(i.flags[i.operands - 1] & Operand_Mem)))) @@ -4830,7 +4833,7 @@ md_assemble (char *line) as_bad (_("expecting valid branch instruction after `bnd'")); /* Check NOTRACK prefix. */ - if (i.notrack_prefix && !i.tm.opcode_modifier.notrackprefixok) + if (i.notrack_prefix && i.tm.opcode_modifier.prefixok != PrefixNoTrack) as_bad (_("expecting indirect branch instruction after `notrack'")); if (i.tm.cpu_flags.bitfield.cpumpx) @@ -11047,7 +11050,7 @@ i386_index_check (const char *operand_string) kind = "string address"; - if (current_templates->start->opcode_modifier.repprefixok) + if (current_templates->start->opcode_modifier.prefixok == PrefixRep) { int es_op = current_templates->end[-1].opcode_modifier.isstring - IS_STRING_ES_OP0; |