diff options
| author | Alan Modra <amodra@gmail.com> | 2017-12-03 21:51:45 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2017-12-03 21:54:47 +1030 |
| commit | f143cb5fc655e1ed0a6e15e6ba33af0d79ba1802 (patch) | |
| tree | 15cb9e71574bbe9aa1514e0fda01d5b6eaef4b6b /opcodes/ppc-opc.c | |
| parent | c0e15c9bfd6fb4bf36e5240838f6ebed1e1f4a7e (diff) | |
| download | gdb-f143cb5fc655e1ed0a6e15e6ba33af0d79ba1802.zip gdb-f143cb5fc655e1ed0a6e15e6ba33af0d79ba1802.tar.gz gdb-f143cb5fc655e1ed0a6e15e6ba33af0d79ba1802.tar.bz2 | |
Fix "FAIL: VLE relocations 3"
Correct sign extension.
* ppc-opc.c (extract_li20): Rewrite.
Diffstat (limited to 'opcodes/ppc-opc.c')
| -rw-r--r-- | opcodes/ppc-opc.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/opcodes/ppc-opc.c b/opcodes/ppc-opc.c index 81335c6..ad26c4f 100644 --- a/opcodes/ppc-opc.c +++ b/opcodes/ppc-opc.c @@ -571,13 +571,9 @@ extract_li20 (uint64_t insn, ppc_cpu_t dialect ATTRIBUTE_UNUSED, int *invalid ATTRIBUTE_UNUSED) { - int64_t ext = ((insn & 0x4000) == 0x4000) ? 0xfff00000 : 0x00000000; - - return (ext - | (((insn >> 11) & 0xf) << 16) - | (((insn >> 17) & 0xf) << 12) - | (((insn >> 16) & 0x1) << 11) - | (insn & 0x7ff)); + return ((((insn << 5) & 0xf0000) + | ((insn >> 5) & 0xf800) + | (insn & 0x7ff)) ^ 0x80000) - 0x80000; } /* The 2-bit L field in a SYNC or WC field in a WAIT instruction. |