diff options
Diffstat (limited to 'arch/x86/tools/gen-insn-attr-x86.awk')
| -rw-r--r-- | arch/x86/tools/gen-insn-attr-x86.awk | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/tools/gen-insn-attr-x86.awk b/arch/x86/tools/gen-insn-attr-x86.awk index af38469afd..5770c8097f 100644 --- a/arch/x86/tools/gen-insn-attr-x86.awk +++ b/arch/x86/tools/gen-insn-attr-x86.awk @@ -64,7 +64,9 @@ BEGIN { modrm_expr = "^([CDEGMNPQRSUVW/][a-z]+|NTA|T[012])" force64_expr = "\\([df]64\\)" - rex_expr = "^REX(\\.[XRWB]+)*" + rex_expr = "^((REX(\\.[XRWB]+)+)|(REX$))" + rex2_expr = "\\(REX2\\)" + no_rex2_expr = "\\(!REX2\\)" fpu_expr = "^ESC" # TODO lprefix1_expr = "\\((66|!F3)\\)" @@ -81,6 +83,8 @@ BEGIN { vexonly_expr = "\\(v\\)" # All opcodes with (ev) superscript supports *only* EVEX prefix evexonly_expr = "\\(ev\\)" + # (es) is the same as (ev) but also "SCALABLE" i.e. W and pp determine operand size + evex_scalable_expr = "\\(es\\)" prefix_expr = "\\(Prefix\\)" prefix_num["Operand-Size"] = "INAT_PFX_OPNDSZ" @@ -99,6 +103,7 @@ BEGIN { prefix_num["VEX+1byte"] = "INAT_PFX_VEX2" prefix_num["VEX+2byte"] = "INAT_PFX_VEX3" prefix_num["EVEX"] = "INAT_PFX_EVEX" + prefix_num["REX2"] = "INAT_PFX_REX2" clear_vars() } @@ -314,6 +319,10 @@ function convert_operands(count,opnd, i,j,imm,mod) if (match(ext, force64_expr)) flags = add_flags(flags, "INAT_FORCE64") + # check REX2 not allowed + if (match(ext, no_rex2_expr)) + flags = add_flags(flags, "INAT_NO_REX2") + # check REX prefix if (match(opcode, rex_expr)) flags = add_flags(flags, "INAT_MAKE_PREFIX(INAT_PFX_REX)") @@ -325,6 +334,8 @@ function convert_operands(count,opnd, i,j,imm,mod) # check VEX codes if (match(ext, evexonly_expr)) flags = add_flags(flags, "INAT_VEXOK | INAT_EVEXONLY") + else if (match(ext, evex_scalable_expr)) + flags = add_flags(flags, "INAT_VEXOK | INAT_EVEXONLY | INAT_EVEX_SCALABLE") else if (match(ext, vexonly_expr)) flags = add_flags(flags, "INAT_VEXOK | INAT_VEXONLY") else if (match(ext, vexok_expr) || match(opcode, vexok_opcode_expr)) @@ -351,6 +362,8 @@ function convert_operands(count,opnd, i,j,imm,mod) lptable3[idx] = add_flags(lptable3[idx],flags) variant = "INAT_VARIANT" } + if (match(ext, rex2_expr)) + table[idx] = add_flags(table[idx], "INAT_REX2_VARIANT") if (!match(ext, lprefix_expr)){ table[idx] = add_flags(table[idx],flags) } |