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-rw-r--r--arch/x86/tools/gen-insn-attr-x86.awk11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/tools/gen-insn-attr-x86.awk b/arch/x86/tools/gen-insn-attr-x86.awk
index 093a892026f9..a3d2c62fd805 100644
--- a/arch/x86/tools/gen-insn-attr-x86.awk
+++ b/arch/x86/tools/gen-insn-attr-x86.awk
@@ -72,12 +72,14 @@ BEGIN {
lprefix_expr = "\\((66|F2|F3)\\)"
max_lprefix = 4
- # All opcodes starting with lower-case 'v' or with (v1) superscript
+ # All opcodes starting with lower-case 'v', 'k' or with (v1) superscript
# accepts VEX prefix
- vexok_opcode_expr = "^v.*"
+ vexok_opcode_expr = "^[vk].*"
vexok_expr = "\\(v1\\)"
# All opcodes with (v) superscript supports *only* VEX prefix
vexonly_expr = "\\(v\\)"
+ # All opcodes with (ev) superscript supports *only* EVEX prefix
+ evexonly_expr = "\\(ev\\)"
prefix_expr = "\\(Prefix\\)"
prefix_num["Operand-Size"] = "INAT_PFX_OPNDSZ"
@@ -95,6 +97,7 @@ BEGIN {
prefix_num["Address-Size"] = "INAT_PFX_ADDRSZ"
prefix_num["VEX+1byte"] = "INAT_PFX_VEX2"
prefix_num["VEX+2byte"] = "INAT_PFX_VEX3"
+ prefix_num["EVEX"] = "INAT_PFX_EVEX"
clear_vars()
}
@@ -319,7 +322,9 @@ function convert_operands(count,opnd, i,j,imm,mod)
flags = add_flags(flags, "INAT_MODRM")
# check VEX codes
- if (match(ext, vexonly_expr))
+ if (match(ext, evexonly_expr))
+ flags = add_flags(flags, "INAT_VEXOK | INAT_EVEXONLY")
+ 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))
flags = add_flags(flags, "INAT_VEXOK")