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| author | Nick Clifton <nickc@redhat.com> | 2015-04-02 17:13:12 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2015-04-02 17:13:12 +0100 |
| commit | f66adc4eada1884cef90aa978561b9b2008cdaf2 (patch) | |
| tree | 71ac093b46b12791ec1032bef7c3b8ba79fdf469 /gas | |
| parent | 03e080386e266243b2af667af026b992822085cd (diff) | |
| download | gdb-f66adc4eada1884cef90aa978561b9b2008cdaf2.zip gdb-f66adc4eada1884cef90aa978561b9b2008cdaf2.tar.gz gdb-f66adc4eada1884cef90aa978561b9b2008cdaf2.tar.bz2 | |
Second fix for microblaze gas port's ability to parse constants.
PR gas/18189
* config/tc-microblaze.c (parse_imm): Use offsetT as the type for
min and max parameters. Sign extend values before testing.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 2 | ||||
| -rw-r--r-- | gas/config/tc-microblaze.c | 14 |
2 files changed, 11 insertions, 5 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index e08b0f7..a2383a9 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -2,7 +2,7 @@ PR gas/18189 * config/tc-microblaze.c (parse_imm): Use offsetT as the type for - min and max parameters. + min and max parameters. Sign extend values before testing. 2015-04-02 Renlin Li <renlin.li@arm.com> diff --git a/gas/config/tc-microblaze.c b/gas/config/tc-microblaze.c index 6f0e795..3309e59 100644 --- a/gas/config/tc-microblaze.c +++ b/gas/config/tc-microblaze.c @@ -736,11 +736,17 @@ parse_imm (char * s, expressionS * e, offsetT min, offsetT max) ; /* An error message has already been emitted. */ else if ((e->X_op != O_constant && e->X_op != O_symbol) ) as_fatal (_("operand must be a constant or a label")); - else if ((e->X_op == O_constant) && (e->X_add_number < min - || e->X_add_number > max)) + else if (e->X_op == O_constant) { - as_fatal (_("operand must be absolute in range %lx..%lx, not %lx"), - (long) min, (long) max, (long) e->X_add_number); + /* Special case: sign extend negative 32-bit values to 64-bits. */ + if ((e->X_add_number >> 31) == 1) + e->X_add_number |= (-1 << 31); + + if (e->X_add_number < min || e->X_add_number > max) + { + as_fatal (_("operand must be absolute in range %lx..%lx, not %lx"), + (long) min, (long) max, (long) e->X_add_number); + } } if (atp) |