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| author | H. Peter Anvin <hpa@linux.intel.com> | 2011-08-22 14:09:04 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2011-08-22 14:09:04 -0700 |
| commit | 57078f061d6e3da2d7195debdfe1ac897e86799a (patch) | |
| tree | 96703dec8b8d63090e71c582b35bf57e3285392e /disasm.c | |
| parent | 9f2043eaad9b014f9f9d093cc0bd2137af543de1 (diff) | |
| download | nasm-57078f061d6e3da2d7195debdfe1ac897e86799a.tar.gz nasm-57078f061d6e3da2d7195debdfe1ac897e86799a.tar.bz2 nasm-57078f061d6e3da2d7195debdfe1ac897e86799a.zip | |
disasm.c: ESP/RSP cannot be indicies, but XMM4/YMM4 can be
If we have XMM4/YMM4 as a VSIB, it does not mean no index; that is
only for scalar encoding.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'disasm.c')
| -rw-r--r-- | disasm.c | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -331,12 +331,12 @@ static uint8_t *do_ea(uint8_t *data, int modrm, int asize, op->scale = 1 << scale; - if (index == 4 && !(rex & REX_X)) - op->indexreg = -1; /* ESP/RSP cannot be an index */ - else if (type == EA_XMMVSIB) + if (type == EA_XMMVSIB) op->indexreg = nasm_rd_xmmreg[index | ((rex & REX_X) ? 8 : 0)]; else if (type == EA_YMMVSIB) op->indexreg = nasm_rd_ymmreg[index | ((rex & REX_X) ? 8 : 0)]; + else if (index == 4 && !(rex & REX_X)) + op->indexreg = -1; /* ESP/RSP cannot be an index */ else if (a64) op->indexreg = nasm_rd_reg64[index | ((rex & REX_X) ? 8 : 0)]; else |