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Fix ModR/M.mod for EVEX instructions

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It was incorrectly set to 01b in some cases when where it should be 10b.

Fixes BR 3392402.

Signed-off-by: Henrik Gramner <henrik@gramner.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
Henrik Gramner 2017-04-20 16:02:19 +02:00 committed by H. Peter Anvin
parent 32b9824f5c
commit 16d4db3aab
1 changed files with 5 additions and 7 deletions
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12
asm/assemble.c
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@ -2426,13 +2426,11 @@ static enum match_result matches(const struct itemplate *itemp,
* - offset can fit in a byte when EVEX is not used
* - offset can be compressed when EVEX is used
*/
#define IS_MOD_01() (input->eaflags & EAF_BYTEOFFS || \
(o >= -128 && o <= 127 && \
seg == NO_SEG && !forw_ref && \
!(input->eaflags & EAF_WORDOFFS) && \
!(ins->rex & REX_EV)) || \
(ins->rex & REX_EV && \
is_disp8n(input, ins, &output->disp8)))
#define IS_MOD_01() (!(input->eaflags & EAF_WORDOFFS) && \
(ins->rex & REX_EV ? seg == NO_SEG && !forw_ref && \
is_disp8n(input, ins, &output->disp8) : \
input->eaflags & EAF_BYTEOFFS || (o >= -128 && \
o <= 127 && seg == NO_SEG && !forw_ref)))
static enum ea_type process_ea(operand *input, ea *output, int bits,
int rfield, opflags_t rflags, insn *ins,