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| author | Claudiu Zissulescu <claziss@gmail.com> | 2018-07-23 11:09:43 +0200 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@gmail.com> | 2018-07-23 11:09:43 +0200 |
| commit | 04e65276fa99a0de996142b054bb76f8491ae103 (patch) | |
| tree | 96c49386157449d8e235a4e271b23a74202bf19d | |
| parent | 47e6f81c7c269ab5ef2b3004bb5ebe0de5cfb969 (diff) | |
| download | gdb-04e65276fa99a0de996142b054bb76f8491ae103.zip gdb-04e65276fa99a0de996142b054bb76f8491ae103.tar.gz gdb-04e65276fa99a0de996142b054bb76f8491ae103.tar.bz2 | |
[ARC] Fix decoding of w6 signed short immediate.
gas/
Claudiu Zissulescu <claziss@synopsys.com>
* testsuite/gas/arc/st.d: Fix test.
opcodes/
Claudiu Zissulescu <claziss@synopsys.com>
* arc-opc.c (extract_w6): Fix extending the sign.
| -rw-r--r-- | gas/ChangeLog | 4 | ||||
| -rw-r--r-- | gas/testsuite/gas/arc/st.d | 2 | ||||
| -rw-r--r-- | opcodes/ChangeLog | 4 | ||||
| -rw-r--r-- | opcodes/arc-opc.c | 6 |
4 files changed, 14 insertions, 2 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index dbaa02d..8b36246 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,5 +1,9 @@ 2018-07-23 Claudiu Zissulescu <claziss@synopsys.com> + * testsuite/gas/arc/st.d: Fix test. + +2018-07-23 Claudiu Zissulescu <claziss@synopsys.com> + * config/tc-arc.c (tokenize_extinsn): Convert to lower case the name of extension instructions. * testsuite/gas/arc/textinsn_case.d: New file. diff --git a/gas/testsuite/gas/arc/st.d b/gas/testsuite/gas/arc/st.d index 6fe5b88..269b2cf 100644 --- a/gas/testsuite/gas/arc/st.d +++ b/gas/testsuite/gas/arc/st.d @@ -13,7 +13,7 @@ Disassembly of section .text: 10: 1a02 004c st[hw]+.aw r1,\[r2,2\] 14: 1e00 7040 0000 0384 st r1,\[0x384\] 1c: 1a00 0003 stb 0,\[r2\] - 20: 1af8 8e01 st 56,\[r2,-8\] + 20: 1af8 8e01 st -8,\[r2,-8\] 24: 1e00 7080 0000 0000 st r2,\[0\] 28: R_ARC_32_ME foo 2c: 1a02 0060 st.di r1,\[r2,2\] diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index 9d0de43..d99b85c 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,5 +1,9 @@ 2018-07-23 Claudiu Zissulescu <claziss@synopsys.com> + * arc-opc.c (extract_w6): Fix extending the sign. + +2018-07-23 Claudiu Zissulescu <claziss@synopsys.com> + * arc-tbl.h (vewt): Allow it for ARC EM family. 2018-07-23 Alan Modra <amodra@gmail.com> diff --git a/opcodes/arc-opc.c b/opcodes/arc-opc.c index 5349e13..b87a231 100644 --- a/opcodes/arc-opc.c +++ b/opcodes/arc-opc.c @@ -651,10 +651,14 @@ static long long extract_w6 (unsigned long long insn, bfd_boolean * invalid ATTRIBUTE_UNUSED) { - unsigned value = 0; + int value = 0; value |= ((insn >> 6) & 0x003f) << 0; + /* Extend the sign. */ + int signbit = 1 << 5; + value = (value ^ signbit) - signbit; + return value; } |