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| author | James Patrick Conlon <cptjustice@gmail.com> | 2018-08-01 15:14:46 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2018-08-01 15:14:46 +0100 |
| commit | 3cf2b6691cef024f7cdb48aaec5fab5189e1cffa (patch) | |
| tree | 92a415246683a7a95ff238c5bf1d21bb5db95503 /gas/config | |
| parent | c25179e71fee952ace322ce26b3fe6b722ec77f9 (diff) | |
| download | gdb-3cf2b6691cef024f7cdb48aaec5fab5189e1cffa.zip gdb-3cf2b6691cef024f7cdb48aaec5fab5189e1cffa.tar.gz gdb-3cf2b6691cef024f7cdb48aaec5fab5189e1cffa.tar.bz2 | |
Fix bug in PDP11 assembler when handling a JSr instruction with deferred auto increment.
PR 14480
* config/tc-pdp11.c (parse_op_noreg): Check for and handle auto
increment deferred.
* testsuite/gas/pdp11/pr14480.d: New test driver file.
* testsuite/gas/pdp11/pr14480.s: New test source file file.
* testsuite/gas/pdp11/pdp11.exp: Run the new test.
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-pdp11.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gas/config/tc-pdp11.c b/gas/config/tc-pdp11.c index 2ad6882..e151b27 100644 --- a/gas/config/tc-pdp11.c +++ b/gas/config/tc-pdp11.c @@ -581,7 +581,21 @@ parse_op_noreg (char *str, struct pdp11_code *operand) if (*str == '@' || *str == '*') { - str = parse_op_no_deferred (str + 1, operand); + /* @(Rn) == @0(Rn): Mode 7, Indexed deferred. + Check for auto-increment deferred. */ + if (str[1] == '(' + && str[2] != 0 + && str[3] != 0 + && str[4] != 0 + && str[5] != '+') + { + /* Change implied to explicit index deferred. */ + *str = '0'; + str = parse_op_no_deferred (str, operand); + } + else + str = parse_op_no_deferred (str + 1, operand); + if (operand->error) return str; operand->code |= 010; |