diff mbox series

target/i386/emulate: remove flags_mask

Message ID 20250403194838.103531-1-pbonzini@redhat.com (mailing list archive)
State New
Headers show
Series target/i386/emulate: remove flags_mask | expand

Commit Message

Paolo Bonzini April 3, 2025, 7:48 p.m. UTC 
The field is written but never read.

Cc: Wei Liu <liuwe@linux.microsoft.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/emulate/x86_decode.h |   2 -
 target/i386/emulate/x86_decode.c | 864 +++++++++++++++----------------
 2 files changed, 424 insertions(+), 442 deletions(-)

Comments

Richard Henderson April 3, 2025, 11:12 p.m. UTC | #1 
On 4/3/25 12:48, Paolo Bonzini wrote:
> The field is written but never read.
> 
> Cc: Wei Liu<liuwe@linux.microsoft.com>
> Signed-off-by: Paolo Bonzini<pbonzini@redhat.com>
> ---
>   target/i386/emulate/x86_decode.h |   2 -
>   target/i386/emulate/x86_decode.c | 864 +++++++++++++++----------------
>   2 files changed, 424 insertions(+), 442 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~
diff mbox series

Patch

diff --git a/target/i386/emulate/x86_decode.h b/target/i386/emulate/x86_decode.h
index 930d965164a..87cc728598d 100644
--- a/target/i386/emulate/x86_decode.h
+++ b/target/i386/emulate/x86_decode.h
@@ -295,8 +295,6 @@  typedef struct x86_decode {
     struct x86_modrm modrm;
     struct x86_decode_op op[4];
     bool is_fpu;
-    uint32_t flags_mask;
-
 } x86_decode;
 
 uint64_t sign(uint64_t val, int size);
diff --git a/target/i386/emulate/x86_decode.c b/target/i386/emulate/x86_decode.c
index ddd7b60bcfe..7fee2196878 100644
--- a/target/i386/emulate/x86_decode.c
+++ b/target/i386/emulate/x86_decode.c
@@ -429,7 +429,6 @@  struct decode_tbl {
     void (*decode_op4)(CPUX86State *env, struct x86_decode *decode,
                        struct x86_decode_op *op4);
     void (*decode_postfix)(CPUX86State *env, struct x86_decode *decode);
-    uint32_t flags_mask;
 };
 
 struct decode_x87_tbl {
@@ -445,7 +444,6 @@  struct decode_x87_tbl {
     void (*decode_op2)(CPUX86State *env, struct x86_decode *decode,
                        struct x86_decode_op *op2);
     void (*decode_postfix)(CPUX86State *env, struct x86_decode *decode);
-    uint32_t flags_mask;
 };
 
 struct decode_tbl invl_inst = {0x0, 0, 0, false, NULL, NULL, NULL, NULL,
@@ -470,7 +468,6 @@  static void decode_x87_ins(CPUX86State *env, struct x86_decode *decode)
     if (decoder->operand_size) {
         decode->operand_size = decoder->operand_size;
     }
-    decode->flags_mask = decoder->flags_mask;
     decode->fpop_stack = decoder->pop;
     decode->frev = decoder->rev;
     
@@ -503,9 +500,6 @@  static void decode_ffgroup(CPUX86State *env, struct x86_decode *decode)
         X86_DECODE_CMD_INVL
     };
     decode->cmd = group[decode->modrm.reg];
-    if (decode->modrm.reg > 2) {
-        decode->flags_mask = 0;
-    }
 }
 
 static void decode_sldtgroup(CPUX86State *env, struct x86_decode *decode)
@@ -693,733 +687,724 @@  static void decode_db_4(CPUX86State *env, struct x86_decode *decode)
 }
 
 
-#define RFLAGS_MASK_NONE    0
-#define RFLAGS_MASK_OSZAPC  (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C)
-#define RFLAGS_MASK_LAHF    (CC_S | CC_Z | CC_A | CC_P | CC_C)
-#define RFLAGS_MASK_CF      (CC_C)
-#define RFLAGS_MASK_IF      (IF_MASK)
-#define RFLAGS_MASK_TF      (TF_MASK)
-#define RFLAGS_MASK_DF      (DF_MASK)
-#define RFLAGS_MASK_ZF      (CC_Z)
-
 struct decode_tbl _1op_inst[] = {
     {0x0, X86_DECODE_CMD_ADD, 1, true, decode_modrm_rm, decode_modrm_reg, NULL,
-     NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL},
     {0x1, X86_DECODE_CMD_ADD, 0, true, decode_modrm_rm, decode_modrm_reg, NULL,
-     NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL},
     {0x2, X86_DECODE_CMD_ADD, 1, true, decode_modrm_reg, decode_modrm_rm, NULL,
-     NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL},
     {0x3, X86_DECODE_CMD_ADD, 0, true, decode_modrm_reg, decode_modrm_rm, NULL,
-     NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL},
     {0x4, X86_DECODE_CMD_ADD, 1, false, decode_rax, decode_imm8, NULL, NULL,
-     NULL, RFLAGS_MASK_OSZAPC},
+     NULL},
     {0x5, X86_DECODE_CMD_ADD, 0, false, decode_rax, decode_imm, NULL, NULL,
-     NULL, RFLAGS_MASK_OSZAPC},
+     NULL},
     {0x6, X86_DECODE_CMD_PUSH_SEG, 0, false, false, NULL, NULL, NULL,
-     decode_pushseg, RFLAGS_MASK_NONE},
+     decode_pushseg},
     {0x7, X86_DECODE_CMD_POP_SEG, 0, false, false, NULL, NULL, NULL,
-     decode_popseg, RFLAGS_MASK_NONE},
+     decode_popseg},
     {0x8, X86_DECODE_CMD_OR, 1, true, decode_modrm_rm, decode_modrm_reg, NULL,
-     NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL},
     {0x9, X86_DECODE_CMD_OR, 0, true, decode_modrm_rm, decode_modrm_reg, NULL,
-     NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL},
     {0xa, X86_DECODE_CMD_OR, 1, true, decode_modrm_reg, decode_modrm_rm, NULL,
-     NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL},
     {0xb, X86_DECODE_CMD_OR, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0xc, X86_DECODE_CMD_OR, 1, false, decode_rax, decode_imm8,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0xd, X86_DECODE_CMD_OR, 0, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
 
     {0xe, X86_DECODE_CMD_PUSH_SEG, 0, false, false,
-     NULL, NULL, NULL, decode_pushseg, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_pushseg},
     {0xf, X86_DECODE_CMD_POP_SEG, 0, false, false,
-     NULL, NULL, NULL, decode_popseg, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_popseg},
 
     {0x10, X86_DECODE_CMD_ADC, 1, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x11, X86_DECODE_CMD_ADC, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x12, X86_DECODE_CMD_ADC, 1, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x13, X86_DECODE_CMD_ADC, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x14, X86_DECODE_CMD_ADC, 1, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x15, X86_DECODE_CMD_ADC, 0, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
 
     {0x16, X86_DECODE_CMD_PUSH_SEG, 0, false, false,
-     NULL, NULL, NULL, decode_pushseg, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_pushseg},
     {0x17, X86_DECODE_CMD_POP_SEG, 0, false, false,
-     NULL, NULL, NULL, decode_popseg, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_popseg},
 
     {0x18, X86_DECODE_CMD_SBB, 1, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x19, X86_DECODE_CMD_SBB, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x1a, X86_DECODE_CMD_SBB, 1, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x1b, X86_DECODE_CMD_SBB, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x1c, X86_DECODE_CMD_SBB, 1, false, decode_rax, decode_imm8,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x1d, X86_DECODE_CMD_SBB, 0, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
 
     {0x1e, X86_DECODE_CMD_PUSH_SEG, 0, false, false,
-     NULL, NULL, NULL, decode_pushseg, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_pushseg},
     {0x1f, X86_DECODE_CMD_POP_SEG, 0, false, false,
-     NULL, NULL, NULL, decode_popseg, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_popseg},
 
     {0x20, X86_DECODE_CMD_AND, 1, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x21, X86_DECODE_CMD_AND, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x22, X86_DECODE_CMD_AND, 1, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x23, X86_DECODE_CMD_AND, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x24, X86_DECODE_CMD_AND, 1, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x25, X86_DECODE_CMD_AND, 0, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x28, X86_DECODE_CMD_SUB, 1, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x29, X86_DECODE_CMD_SUB, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x2a, X86_DECODE_CMD_SUB, 1, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x2b, X86_DECODE_CMD_SUB, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x2c, X86_DECODE_CMD_SUB, 1, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x2d, X86_DECODE_CMD_SUB, 0, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x2f, X86_DECODE_CMD_DAS, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, NULL},
     {0x30, X86_DECODE_CMD_XOR, 1, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x31, X86_DECODE_CMD_XOR, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x32, X86_DECODE_CMD_XOR, 1, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x33, X86_DECODE_CMD_XOR, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x34, X86_DECODE_CMD_XOR, 1, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x35, X86_DECODE_CMD_XOR, 0, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
 
     {0x38, X86_DECODE_CMD_CMP, 1, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x39, X86_DECODE_CMD_CMP, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x3a, X86_DECODE_CMD_CMP, 1, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x3b, X86_DECODE_CMD_CMP, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x3c, X86_DECODE_CMD_CMP, 1, false, decode_rax, decode_imm8,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x3d, X86_DECODE_CMD_CMP, 0, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
 
     {0x3f, X86_DECODE_CMD_AAS, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, NULL},
 
     {0x40, X86_DECODE_CMD_INC, 0, false,
-     NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_incgroup},
     {0x41, X86_DECODE_CMD_INC, 0, false,
-     NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_incgroup},
     {0x42, X86_DECODE_CMD_INC, 0, false,
-     NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_incgroup},
     {0x43, X86_DECODE_CMD_INC, 0, false,
-     NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_incgroup},
     {0x44, X86_DECODE_CMD_INC, 0, false,
-     NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_incgroup},
     {0x45, X86_DECODE_CMD_INC, 0, false,
-     NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_incgroup},
     {0x46, X86_DECODE_CMD_INC, 0, false,
-     NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_incgroup},
     {0x47, X86_DECODE_CMD_INC, 0, false,
-     NULL, NULL, NULL, NULL, decode_incgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_incgroup},
 
     {0x48, X86_DECODE_CMD_DEC, 0, false,
-     NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_decgroup},
     {0x49, X86_DECODE_CMD_DEC, 0, false,
-     NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_decgroup},
     {0x4a, X86_DECODE_CMD_DEC, 0, false,
-     NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_decgroup},
     {0x4b, X86_DECODE_CMD_DEC, 0, false,
-     NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_decgroup},
     {0x4c, X86_DECODE_CMD_DEC, 0, false,
-     NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_decgroup},
     {0x4d, X86_DECODE_CMD_DEC, 0, false,
-     NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_decgroup},
     {0x4e, X86_DECODE_CMD_DEC, 0, false,
-     NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_decgroup},
     {0x4f, X86_DECODE_CMD_DEC, 0, false,
-     NULL, NULL, NULL, NULL, decode_decgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_decgroup},
 
     {0x50, X86_DECODE_CMD_PUSH, 0, false,
-     NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_pushgroup},
     {0x51, X86_DECODE_CMD_PUSH, 0, false,
-     NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_pushgroup},
     {0x52, X86_DECODE_CMD_PUSH, 0, false,
-     NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_pushgroup},
     {0x53, X86_DECODE_CMD_PUSH, 0, false,
-     NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_pushgroup},
     {0x54, X86_DECODE_CMD_PUSH, 0, false,
-     NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_pushgroup},
     {0x55, X86_DECODE_CMD_PUSH, 0, false,
-     NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_pushgroup},
     {0x56, X86_DECODE_CMD_PUSH, 0, false,
-     NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_pushgroup},
     {0x57, X86_DECODE_CMD_PUSH, 0, false,
-     NULL, NULL, NULL, NULL, decode_pushgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_pushgroup},
 
     {0x58, X86_DECODE_CMD_POP, 0, false,
-     NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_popgroup},
     {0x59, X86_DECODE_CMD_POP, 0, false,
-     NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_popgroup},
     {0x5a, X86_DECODE_CMD_POP, 0, false,
-     NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_popgroup},
     {0x5b, X86_DECODE_CMD_POP, 0, false,
-     NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_popgroup},
     {0x5c, X86_DECODE_CMD_POP, 0, false,
-     NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_popgroup},
     {0x5d, X86_DECODE_CMD_POP, 0, false,
-     NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_popgroup},
     {0x5e, X86_DECODE_CMD_POP, 0, false,
-     NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_popgroup},
     {0x5f, X86_DECODE_CMD_POP, 0, false,
-     NULL, NULL, NULL, NULL, decode_popgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_popgroup},
 
     {0x60, X86_DECODE_CMD_PUSHA, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0x61, X86_DECODE_CMD_POPA, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
 
     {0x68, X86_DECODE_CMD_PUSH, 0, false, decode_imm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x6a, X86_DECODE_CMD_PUSH, 0, false, decode_imm8_signed,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x69, X86_DECODE_CMD_IMUL_3, 0, true, decode_modrm_reg,
-     decode_modrm_rm, decode_imm, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     decode_modrm_rm, decode_imm, NULL, NULL},
     {0x6b, X86_DECODE_CMD_IMUL_3, 0, true, decode_modrm_reg, decode_modrm_rm,
-     decode_imm8_signed, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     decode_imm8_signed, NULL, NULL},
 
     {0x6c, X86_DECODE_CMD_INS, 1, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0x6d, X86_DECODE_CMD_INS, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0x6e, X86_DECODE_CMD_OUTS, 1, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0x6f, X86_DECODE_CMD_OUTS, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
 
     {0x70, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x71, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x72, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x73, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x74, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x75, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x76, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x77, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x78, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x79, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x7a, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x7b, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x7c, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x7d, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x7e, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x7f, X86_DECODE_CMD_JXX, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
 
     {0x80, X86_DECODE_CMD_INVL, 1, true, decode_modrm_rm, decode_imm8,
-     NULL, NULL, decode_addgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, decode_addgroup},
     {0x81, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, decode_imm,
-     NULL, NULL, decode_addgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, decode_addgroup},
     {0x82, X86_DECODE_CMD_INVL, 1, true, decode_modrm_rm, decode_imm8,
-     NULL, NULL, decode_addgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, decode_addgroup},
     {0x83, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, decode_imm8_signed,
-     NULL, NULL, decode_addgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, decode_addgroup},
     {0x84, X86_DECODE_CMD_TST, 1, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x85, X86_DECODE_CMD_TST, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0x86, X86_DECODE_CMD_XCHG, 1, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x87, X86_DECODE_CMD_XCHG, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x88, X86_DECODE_CMD_MOV, 1, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x89, X86_DECODE_CMD_MOV, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x8a, X86_DECODE_CMD_MOV, 1, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x8b, X86_DECODE_CMD_MOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x8c, X86_DECODE_CMD_MOV_FROM_SEG, 0, true, decode_modrm_rm,
-     decode_modrm_reg, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_modrm_reg, NULL, NULL, NULL},
     {0x8d, X86_DECODE_CMD_LEA, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x8e, X86_DECODE_CMD_MOV_TO_SEG, 0, true, decode_modrm_reg,
-     decode_modrm_rm, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_modrm_rm, NULL, NULL, NULL},
     {0x8f, X86_DECODE_CMD_POP, 0, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
 
     {0x90, X86_DECODE_CMD_NOP, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0x91, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax,
-     NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, decode_xchgroup},
     {0x92, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax,
-     NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, decode_xchgroup},
     {0x93, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax,
-     NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, decode_xchgroup},
     {0x94, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax,
-     NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, decode_xchgroup},
     {0x95, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax,
-     NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, decode_xchgroup},
     {0x96, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax,
-     NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, decode_xchgroup},
     {0x97, X86_DECODE_CMD_XCHG, 0, false, NULL, decode_rax,
-     NULL, NULL, decode_xchgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, decode_xchgroup},
 
     {0x98, X86_DECODE_CMD_CBW, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x99, X86_DECODE_CMD_CWD, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
 
     {0x9a, X86_DECODE_CMD_CALL_FAR, 0, false, NULL,
-     NULL, NULL, NULL, decode_farjmp, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_farjmp},
 
     {0x9c, X86_DECODE_CMD_PUSHF, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     /*{0x9d, X86_DECODE_CMD_POPF, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_POPF},*/
+     NULL, NULL, NULL},*/
     {0x9e, X86_DECODE_CMD_SAHF, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x9f, X86_DECODE_CMD_LAHF, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_LAHF},
+     NULL, NULL, NULL},
 
     {0xa0, X86_DECODE_CMD_MOV, 1, false, decode_rax, fetch_moffs,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xa1, X86_DECODE_CMD_MOV, 0, false, decode_rax, fetch_moffs,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xa2, X86_DECODE_CMD_MOV, 1, false, fetch_moffs, decode_rax,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xa3, X86_DECODE_CMD_MOV, 0, false, fetch_moffs, decode_rax,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
 
     {0xa4, X86_DECODE_CMD_MOVS, 1, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xa5, X86_DECODE_CMD_MOVS, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xa6, X86_DECODE_CMD_CMPS, 1, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0xa7, X86_DECODE_CMD_CMPS, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0xaa, X86_DECODE_CMD_STOS, 1, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xab, X86_DECODE_CMD_STOS, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xac, X86_DECODE_CMD_LODS, 1, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xad, X86_DECODE_CMD_LODS, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xae, X86_DECODE_CMD_SCAS, 1, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0xaf, X86_DECODE_CMD_SCAS, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
 
     {0xa8, X86_DECODE_CMD_TST, 1, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0xa9, X86_DECODE_CMD_TST, 0, false, decode_rax, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
 
     {0xb0, X86_DECODE_CMD_MOV, 1, false, NULL,
-     NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup8},
     {0xb1, X86_DECODE_CMD_MOV, 1, false, NULL,
-     NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup8},
     {0xb2, X86_DECODE_CMD_MOV, 1, false, NULL,
-     NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup8},
     {0xb3, X86_DECODE_CMD_MOV, 1, false, NULL,
-     NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup8},
     {0xb4, X86_DECODE_CMD_MOV, 1, false, NULL,
-     NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup8},
     {0xb5, X86_DECODE_CMD_MOV, 1, false, NULL,
-     NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup8},
     {0xb6, X86_DECODE_CMD_MOV, 1, false, NULL,
-     NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup8},
     {0xb7, X86_DECODE_CMD_MOV, 1, false, NULL,
-     NULL, NULL, NULL, decode_movgroup8, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup8},
 
     {0xb8, X86_DECODE_CMD_MOV, 0, false, NULL,
-     NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup},
     {0xb9, X86_DECODE_CMD_MOV, 0, false, NULL,
-     NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup},
     {0xba, X86_DECODE_CMD_MOV, 0, false, NULL,
-     NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup},
     {0xbb, X86_DECODE_CMD_MOV, 0, false, NULL,
-     NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup},
     {0xbc, X86_DECODE_CMD_MOV, 0, false, NULL,
-     NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup},
     {0xbd, X86_DECODE_CMD_MOV, 0, false, NULL,
-     NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup},
     {0xbe, X86_DECODE_CMD_MOV, 0, false, NULL,
-     NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup},
     {0xbf, X86_DECODE_CMD_MOV, 0, false, NULL,
-     NULL, NULL, NULL, decode_movgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_movgroup},
 
     {0xc0, X86_DECODE_CMD_INVL, 1, true, decode_modrm_rm, decode_imm8,
-     NULL, NULL, decode_rotgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, decode_rotgroup},
     {0xc1, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, decode_imm8,
-     NULL, NULL, decode_rotgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, decode_rotgroup},
 
     {0xc2, X86_DECODE_RET_NEAR, 0, false, decode_imm16,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0xc3, X86_DECODE_RET_NEAR, 0, false, NULL,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
 
     {0xc4, X86_DECODE_CMD_LES, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xc5, X86_DECODE_CMD_LDS, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
 
     {0xc6, X86_DECODE_CMD_MOV, 1, true, decode_modrm_rm, decode_imm8,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xc7, X86_DECODE_CMD_MOV, 0, true, decode_modrm_rm, decode_imm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
 
     {0xc8, X86_DECODE_CMD_ENTER, 0, false, decode_imm16, decode_imm8,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xc9, X86_DECODE_CMD_LEAVE, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xca, X86_DECODE_RET_FAR, 0, false, decode_imm16, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xcb, X86_DECODE_RET_FAR, 0, false, decode_imm_0, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xcd, X86_DECODE_CMD_INT, 0, false, decode_imm8, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     /*{0xcf, X86_DECODE_CMD_IRET, 0, false, NULL, NULL,
-     NULL, NULL, NULL, RFLAGS_MASK_IRET},*/
+     NULL, NULL, NULL},*/
 
     {0xd0, X86_DECODE_CMD_INVL, 1, true, decode_modrm_rm, decode_imm_1,
-     NULL, NULL, decode_rotgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, decode_rotgroup},
     {0xd1, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, decode_imm_1,
-     NULL, NULL, decode_rotgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, decode_rotgroup},
     {0xd2, X86_DECODE_CMD_INVL, 1, true, decode_modrm_rm, decode_rcx,
-     NULL, NULL, decode_rotgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, decode_rotgroup},
     {0xd3, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, decode_rcx,
-     NULL, NULL, decode_rotgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, decode_rotgroup},
 
     {0xd4, X86_DECODE_CMD_AAM, 0, false, decode_imm8,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL},
     {0xd5, X86_DECODE_CMD_AAD, 0, false, decode_imm8,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL},
 
     {0xd7, X86_DECODE_CMD_XLAT, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
 
     {0xd8, X86_DECODE_CMD_INVL, 0, true, NULL,
-     NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_x87_ins},
     {0xd9, X86_DECODE_CMD_INVL, 0, true, NULL,
-     NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_x87_ins},
     {0xda, X86_DECODE_CMD_INVL, 0, true, NULL,
-     NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_x87_ins},
     {0xdb, X86_DECODE_CMD_INVL, 0, true, NULL,
-     NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_x87_ins},
     {0xdc, X86_DECODE_CMD_INVL, 0, true, NULL,
-     NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_x87_ins},
     {0xdd, X86_DECODE_CMD_INVL, 0, true, NULL,
-     NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_x87_ins},
     {0xde, X86_DECODE_CMD_INVL, 0, true, NULL,
-     NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_x87_ins},
     {0xdf, X86_DECODE_CMD_INVL, 0, true, NULL,
-     NULL, NULL, NULL, decode_x87_ins, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_x87_ins},
 
     {0xe0, X86_DECODE_CMD_LOOP, 0, false, decode_imm8_signed,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0xe1, X86_DECODE_CMD_LOOP, 0, false, decode_imm8_signed,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0xe2, X86_DECODE_CMD_LOOP, 0, false, decode_imm8_signed,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
 
     {0xe3, X86_DECODE_CMD_JCXZ, 1, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
 
     {0xe4, X86_DECODE_CMD_IN, 1, false, decode_imm8,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0xe5, X86_DECODE_CMD_IN, 0, false, decode_imm8,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0xe6, X86_DECODE_CMD_OUT, 1, false, decode_imm8,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0xe7, X86_DECODE_CMD_OUT, 0, false, decode_imm8,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0xe8, X86_DECODE_CMD_CALL_NEAR, 0, false, decode_imm_signed,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0xe9, X86_DECODE_CMD_JMP_NEAR, 0, false, decode_imm_signed,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0xea, X86_DECODE_CMD_JMP_FAR, 0, false,
-     NULL, NULL, NULL, NULL, decode_farjmp, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_farjmp},
     {0xeb, X86_DECODE_CMD_JMP_NEAR, 1, false, decode_imm8_signed,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0xec, X86_DECODE_CMD_IN, 1, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0xed, X86_DECODE_CMD_IN, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0xee, X86_DECODE_CMD_OUT, 1, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0xef, X86_DECODE_CMD_OUT, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
 
     {0xf4, X86_DECODE_CMD_HLT, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
 
     {0xf5, X86_DECODE_CMD_CMC, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_CF},
+     NULL, NULL, NULL, NULL, NULL},
 
     {0xf6, X86_DECODE_CMD_INVL, 1, true,
-     NULL, NULL, NULL, NULL, decode_f7group, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_f7group},
     {0xf7, X86_DECODE_CMD_INVL, 0, true,
-     NULL, NULL, NULL, NULL, decode_f7group, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, NULL, decode_f7group},
 
     {0xf8, X86_DECODE_CMD_CLC, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_CF},
+     NULL, NULL, NULL, NULL, NULL},
     {0xf9, X86_DECODE_CMD_STC, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_CF},
+     NULL, NULL, NULL, NULL, NULL},
 
     {0xfa, X86_DECODE_CMD_CLI, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_IF},
+     NULL, NULL, NULL, NULL, NULL},
     {0xfb, X86_DECODE_CMD_STI, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_IF},
+     NULL, NULL, NULL, NULL, NULL},
     {0xfc, X86_DECODE_CMD_CLD, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_DF},
+     NULL, NULL, NULL, NULL, NULL},
     {0xfd, X86_DECODE_CMD_STD, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_DF},
+     NULL, NULL, NULL, NULL, NULL},
     {0xfe, X86_DECODE_CMD_INVL, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, decode_incgroup2, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, decode_incgroup2},
     {0xff, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm,
-     NULL, NULL, NULL, decode_ffgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL, decode_ffgroup},
 };
 
 struct decode_tbl _2op_inst[] = {
     {0x0, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm,
-     NULL, NULL, NULL, decode_sldtgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_sldtgroup},
     {0x1, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm,
-     NULL, NULL, NULL, decode_lidtgroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_lidtgroup},
     {0x6, X86_DECODE_CMD_CLTS, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_TF},
+     NULL, NULL, NULL, NULL, NULL},
     {0x9, X86_DECODE_CMD_WBINVD, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0x18, X86_DECODE_CMD_PREFETCH, 0, true,
-     NULL, NULL, NULL, NULL, decode_x87_general, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_x87_general},
     {0x1f, X86_DECODE_CMD_NOP, 0, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x20, X86_DECODE_CMD_MOV_FROM_CR, 0, true, decode_modrm_rm,
-     decode_modrm_reg, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_modrm_reg, NULL, NULL, NULL},
     {0x21, X86_DECODE_CMD_MOV_FROM_DR, 0, true, decode_modrm_rm,
-     decode_modrm_reg, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_modrm_reg, NULL, NULL, NULL},
     {0x22, X86_DECODE_CMD_MOV_TO_CR, 0, true, decode_modrm_reg,
-     decode_modrm_rm, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_modrm_rm, NULL, NULL, NULL},
     {0x23, X86_DECODE_CMD_MOV_TO_DR, 0, true, decode_modrm_reg,
-     decode_modrm_rm, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_modrm_rm, NULL, NULL, NULL},
     {0x30, X86_DECODE_CMD_WRMSR, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0x31, X86_DECODE_CMD_RDTSC, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0x32, X86_DECODE_CMD_RDMSR, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0x40, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x41, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x42, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x43, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x44, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x45, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x46, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x47, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x48, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x49, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x4a, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x4b, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x4c, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x4d, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x4e, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x4f, X86_DECODE_CMD_CMOV, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0x77, X86_DECODE_CMD_EMMS, 0, false,
-     NULL, NULL, NULL, NULL, decode_x87_general, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_x87_general},
     {0x82, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x83, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x84, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x85, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x86, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x87, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x88, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x89, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x8a, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x8b, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x8c, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x8d, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x8e, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x8f, X86_DECODE_CMD_JXX, 0, false,
-     NULL, NULL, NULL, NULL, decode_jxx, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_jxx},
     {0x90, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x91, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x92, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x93, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x94, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x95, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x96, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x97, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x98, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x99, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x9a, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x9b, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x9c, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x9d, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x9e, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
     {0x9f, X86_DECODE_CMD_SETXX, 1, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL},
 
     {0xb0, X86_DECODE_CMD_CMPXCHG, 1, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xb1, X86_DECODE_CMD_CMPXCHG, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
 
     {0xb6, X86_DECODE_CMD_MOVZX, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xb7, X86_DECODE_CMD_MOVZX, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xb8, X86_DECODE_CMD_POPCNT, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0xbe, X86_DECODE_CMD_MOVSX, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xbf, X86_DECODE_CMD_MOVSX, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xa0, X86_DECODE_CMD_PUSH_SEG, 0, false, false,
-     NULL, NULL, NULL, decode_pushseg, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_pushseg},
     {0xa1, X86_DECODE_CMD_POP_SEG, 0, false, false,
-     NULL, NULL, NULL, decode_popseg, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_popseg},
     {0xa2, X86_DECODE_CMD_CPUID, 0, false,
-     NULL, NULL, NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, NULL},
     {0xa3, X86_DECODE_CMD_BT, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_CF},
+     NULL, NULL, NULL},
     {0xa4, X86_DECODE_CMD_SHLD, 0, true, decode_modrm_rm, decode_modrm_reg,
-     decode_imm8, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     decode_imm8, NULL, NULL},
     {0xa5, X86_DECODE_CMD_SHLD, 0, true, decode_modrm_rm, decode_modrm_reg,
-     decode_rcx, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     decode_rcx, NULL, NULL},
     {0xa8, X86_DECODE_CMD_PUSH_SEG, 0, false, false,
-     NULL, NULL, NULL, decode_pushseg, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_pushseg},
     {0xa9, X86_DECODE_CMD_POP_SEG, 0, false, false,
-     NULL, NULL, NULL, decode_popseg, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_popseg},
     {0xab, X86_DECODE_CMD_BTS, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_CF},
+     NULL, NULL, NULL},
     {0xac, X86_DECODE_CMD_SHRD, 0, true, decode_modrm_rm, decode_modrm_reg,
-     decode_imm8, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     decode_imm8, NULL, NULL},
     {0xad, X86_DECODE_CMD_SHRD, 0, true, decode_modrm_rm, decode_modrm_reg,
-     decode_rcx, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     decode_rcx, NULL, NULL},
 
     {0xae, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm,
-     NULL, NULL, NULL, decode_aegroup, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, decode_aegroup},
 
     {0xaf, X86_DECODE_CMD_IMUL_2, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0xb2, X86_DECODE_CMD_LSS, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL},
     {0xb3, X86_DECODE_CMD_BTR, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0xba, X86_DECODE_CMD_INVL, 0, true, decode_modrm_rm, decode_imm8,
-     NULL, NULL, decode_btgroup, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, decode_btgroup},
     {0xbb, X86_DECODE_CMD_BTC, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0xbc, X86_DECODE_CMD_BSF, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
     {0xbd, X86_DECODE_CMD_BSR, 0, true, decode_modrm_reg, decode_modrm_rm,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
 
     {0xc1, X86_DECODE_CMD_XADD, 0, true, decode_modrm_rm, decode_modrm_reg,
-     NULL, NULL, NULL, RFLAGS_MASK_OSZAPC},
+     NULL, NULL, NULL},
 
     {0xc7, X86_DECODE_CMD_CMPXCHG8B, 0, true, decode_modrm_rm,
-     NULL, NULL, NULL, NULL, RFLAGS_MASK_ZF},
+     NULL, NULL, NULL, NULL},
 
     {0xc8, X86_DECODE_CMD_BSWAP, 0, false,
-     NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_bswap},
     {0xc9, X86_DECODE_CMD_BSWAP, 0, false,
-     NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_bswap},
     {0xca, X86_DECODE_CMD_BSWAP, 0, false,
-     NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_bswap},
     {0xcb, X86_DECODE_CMD_BSWAP, 0, false,
-     NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_bswap},
     {0xcc, X86_DECODE_CMD_BSWAP, 0, false,
-     NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_bswap},
     {0xcd, X86_DECODE_CMD_BSWAP, 0, false,
-     NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_bswap},
     {0xce, X86_DECODE_CMD_BSWAP, 0, false,
-     NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_bswap},
     {0xcf, X86_DECODE_CMD_BSWAP, 0, false,
-     NULL, NULL, NULL, NULL, decode_bswap, RFLAGS_MASK_NONE},
+     NULL, NULL, NULL, NULL, decode_bswap},
 };
 
 struct decode_x87_tbl invl_inst_x87 = {0x0, 0, 0, 0, 0, false, false, NULL,
@@ -1427,207 +1412,207 @@  struct decode_x87_tbl invl_inst_x87 = {0x0, 0, 0, 0, 0, false, false, NULL,
 
 struct decode_x87_tbl _x87_inst[] = {
     {0xd8, 0, 3, X86_DECODE_CMD_FADD, 10, false, false,
-     decode_x87_modrm_st0, decode_decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_decode_x87_modrm_st0, NULL},
     {0xd8, 0, 0, X86_DECODE_CMD_FADD, 4, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL},
     {0xd8, 1, 3, X86_DECODE_CMD_FMUL, 10, false, false, decode_x87_modrm_st0,
-     decode_decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_decode_x87_modrm_st0, NULL},
     {0xd8, 1, 0, X86_DECODE_CMD_FMUL, 4, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL},
     {0xd8, 4, 3, X86_DECODE_CMD_FSUB, 10, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL},
     {0xd8, 4, 0, X86_DECODE_CMD_FSUB, 4, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL},
     {0xd8, 5, 3, X86_DECODE_CMD_FSUB, 10, true, false, decode_x87_modrm_st0,
-     decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL},
     {0xd8, 5, 0, X86_DECODE_CMD_FSUB, 4, true, false, decode_x87_modrm_st0,
-     decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL},
     {0xd8, 6, 3, X86_DECODE_CMD_FDIV, 10, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL},
     {0xd8, 6, 0, X86_DECODE_CMD_FDIV, 4, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL},
     {0xd8, 7, 3, X86_DECODE_CMD_FDIV, 10, true, false, decode_x87_modrm_st0,
-     decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL},
     {0xd8, 7, 0, X86_DECODE_CMD_FDIV, 4, true, false, decode_x87_modrm_st0,
-     decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL},
 
     {0xd9, 0, 3, X86_DECODE_CMD_FLD, 10, false, false,
-     decode_x87_modrm_st0, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL, NULL},
     {0xd9, 0, 0, X86_DECODE_CMD_FLD, 4, false, false,
-     decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL, NULL},
     {0xd9, 1, 3, X86_DECODE_CMD_FXCH, 10, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL},
     {0xd9, 1, 0, X86_DECODE_CMD_INVL, 10, false, false,
-     decode_x87_modrm_st0, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL, NULL},
     {0xd9, 2, 3, X86_DECODE_CMD_INVL, 10, false, false,
-     decode_x87_modrm_st0, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL, NULL},
     {0xd9, 2, 0, X86_DECODE_CMD_FST, 4, false, false,
-     decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL, NULL},
     {0xd9, 3, 3, X86_DECODE_CMD_INVL, 10, false, false,
-     decode_x87_modrm_st0, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL, NULL},
     {0xd9, 3, 0, X86_DECODE_CMD_FST, 4, false, true,
-     decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL, NULL},
     {0xd9, 4, 3, X86_DECODE_CMD_INVL, 10, false, false,
-     decode_x87_modrm_st0, NULL, decode_d9_4, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL, decode_d9_4},
     {0xd9, 4, 0, X86_DECODE_CMD_INVL, 4, false, false,
-     decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_bytep, NULL, NULL},
     {0xd9, 5, 3, X86_DECODE_CMD_FLDxx, 10, false, false, NULL, NULL, NULL,
      RFLAGS_MASK_NONE},
     {0xd9, 5, 0, X86_DECODE_CMD_FLDCW, 2, false, false,
-     decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_bytep, NULL, NULL},
 
     {0xd9, 7, 3, X86_DECODE_CMD_FNSTCW, 2, false, false,
-     decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_bytep, NULL, NULL},
     {0xd9, 7, 0, X86_DECODE_CMD_FNSTCW, 2, false, false,
-     decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_bytep, NULL, NULL},
 
     {0xda, 0, 3, X86_DECODE_CMD_FCMOV, 10, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xda, 0, 0, X86_DECODE_CMD_FADD, 4, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL},
     {0xda, 1, 3, X86_DECODE_CMD_FCMOV, 10, false, false, decode_x87_modrm_st0,
-     decode_decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_decode_x87_modrm_st0, NULL},
     {0xda, 1, 0, X86_DECODE_CMD_FMUL, 4, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL},
     {0xda, 2, 3, X86_DECODE_CMD_FCMOV, 10, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL},
     {0xda, 3, 3, X86_DECODE_CMD_FCMOV, 10, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL},
     {0xda, 4, 3, X86_DECODE_CMD_INVL, 10, false, false, NULL, NULL, NULL,
      RFLAGS_MASK_NONE},
     {0xda, 4, 0, X86_DECODE_CMD_FSUB, 4, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL},
     {0xda, 5, 3, X86_DECODE_CMD_FUCOM, 10, false, true, decode_x87_modrm_st0,
-     decode_decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_decode_x87_modrm_st0, NULL},
     {0xda, 5, 0, X86_DECODE_CMD_FSUB, 4, true, false, decode_x87_modrm_st0,
-     decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL},
     {0xda, 6, 3, X86_DECODE_CMD_INVL, 10, false, false, NULL, NULL, NULL,
      RFLAGS_MASK_NONE},
     {0xda, 6, 0, X86_DECODE_CMD_FDIV, 4, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL},
     {0xda, 7, 3, X86_DECODE_CMD_INVL, 10, false, false, NULL, NULL, NULL,
      RFLAGS_MASK_NONE},
     {0xda, 7, 0, X86_DECODE_CMD_FDIV, 4, true, false, decode_x87_modrm_st0,
-     decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL},
 
     {0xdb, 0, 3, X86_DECODE_CMD_FCMOV, 10, false, false, decode_x87_modrm_st0,
-     decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL},
     {0xdb, 0, 0, X86_DECODE_CMD_FLD, 4, false, false,
-     decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL, NULL},
     {0xdb, 1, 3, X86_DECODE_CMD_FCMOV, 10, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdb, 2, 3, X86_DECODE_CMD_FCMOV, 10, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdb, 2, 0, X86_DECODE_CMD_FST, 4, false, false,
-     decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL, NULL},
     {0xdb, 3, 3, X86_DECODE_CMD_FCMOV, 10, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdb, 3, 0, X86_DECODE_CMD_FST, 4, false, true,
-     decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL, NULL},
     {0xdb, 4, 3, X86_DECODE_CMD_INVL, 10, false, false, NULL, NULL,
-     decode_db_4, RFLAGS_MASK_NONE},
+     decode_db_4},
     {0xdb, 4, 0, X86_DECODE_CMD_INVL, 10, false, false, NULL, NULL, NULL,
      RFLAGS_MASK_NONE},
     {0xdb, 5, 3, X86_DECODE_CMD_FUCOMI, 10, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdb, 5, 0, X86_DECODE_CMD_FLD, 10, false, false,
-     decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL, NULL},
     {0xdb, 7, 0, X86_DECODE_CMD_FST, 10, false, true,
-     decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL, NULL},
 
     {0xdc, 0, 3, X86_DECODE_CMD_FADD, 10, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdc, 0, 0, X86_DECODE_CMD_FADD, 8, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL},
     {0xdc, 1, 3, X86_DECODE_CMD_FMUL, 10, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdc, 1, 0, X86_DECODE_CMD_FMUL, 8, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL},
     {0xdc, 4, 3, X86_DECODE_CMD_FSUB, 10, true, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdc, 4, 0, X86_DECODE_CMD_FSUB, 8, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL},
     {0xdc, 5, 3, X86_DECODE_CMD_FSUB, 10, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdc, 5, 0, X86_DECODE_CMD_FSUB, 8, true, false,
-     decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL},
     {0xdc, 6, 3, X86_DECODE_CMD_FDIV, 10, true, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdc, 6, 0, X86_DECODE_CMD_FDIV, 8, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL},
     {0xdc, 7, 3, X86_DECODE_CMD_FDIV, 10, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdc, 7, 0, X86_DECODE_CMD_FDIV, 8, true, false,
-     decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_floatp, NULL},
 
     {0xdd, 0, 0, X86_DECODE_CMD_FLD, 8, false, false,
-     decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL, NULL},
     {0xdd, 1, 3, X86_DECODE_CMD_FXCH, 10, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdd, 2, 3, X86_DECODE_CMD_FST, 10, false, false,
-     decode_x87_modrm_st0, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL, NULL},
     {0xdd, 2, 0, X86_DECODE_CMD_FST, 8, false, false,
-     decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL, NULL},
     {0xdd, 3, 3, X86_DECODE_CMD_FST, 10, false, true,
-     decode_x87_modrm_st0, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, NULL, NULL},
     {0xdd, 3, 0, X86_DECODE_CMD_FST, 8, false, true,
-     decode_x87_modrm_floatp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_floatp, NULL, NULL},
     {0xdd, 4, 3, X86_DECODE_CMD_FUCOM, 10, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdd, 4, 0, X86_DECODE_CMD_FRSTOR, 8, false, false,
-     decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_bytep, NULL, NULL},
     {0xdd, 5, 3, X86_DECODE_CMD_FUCOM, 10, false, true,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdd, 7, 0, X86_DECODE_CMD_FNSTSW, 0, false, false,
-     decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_bytep, NULL, NULL},
     {0xdd, 7, 3, X86_DECODE_CMD_FNSTSW, 0, false, false,
-     decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_bytep, NULL, NULL},
 
     {0xde, 0, 3, X86_DECODE_CMD_FADD, 10, false, true,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xde, 0, 0, X86_DECODE_CMD_FADD, 2, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_intp, NULL},
     {0xde, 1, 3, X86_DECODE_CMD_FMUL, 10, false, true,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xde, 1, 0, X86_DECODE_CMD_FMUL, 2, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_intp, NULL},
     {0xde, 4, 3, X86_DECODE_CMD_FSUB, 10, true, true,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xde, 4, 0, X86_DECODE_CMD_FSUB, 2, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_intp, NULL},
     {0xde, 5, 3, X86_DECODE_CMD_FSUB, 10, false, true,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xde, 5, 0, X86_DECODE_CMD_FSUB, 2, true, false,
-     decode_x87_modrm_st0, decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_intp, NULL},
     {0xde, 6, 3, X86_DECODE_CMD_FDIV, 10, true, true,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xde, 6, 0, X86_DECODE_CMD_FDIV, 2, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_intp, NULL},
     {0xde, 7, 3, X86_DECODE_CMD_FDIV, 10, false, true,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xde, 7, 0, X86_DECODE_CMD_FDIV, 2, true, false,
-     decode_x87_modrm_st0, decode_x87_modrm_intp, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_intp, NULL},
 
     {0xdf, 0, 0, X86_DECODE_CMD_FLD, 2, false, false,
-     decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL, NULL},
     {0xdf, 1, 3, X86_DECODE_CMD_FXCH, 10, false, false,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdf, 2, 3, X86_DECODE_CMD_FST, 10, false, true,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdf, 2, 0, X86_DECODE_CMD_FST, 2, false, false,
-     decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL, NULL},
     {0xdf, 3, 3, X86_DECODE_CMD_FST, 10, false, true,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdf, 3, 0, X86_DECODE_CMD_FST, 2, false, true,
-     decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL, NULL},
     {0xdf, 4, 3, X86_DECODE_CMD_FNSTSW, 2, false, true,
-     decode_x87_modrm_bytep, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_bytep, NULL, NULL},
     {0xdf, 5, 3, X86_DECODE_CMD_FUCOMI, 10, false, true,
-     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_st0, decode_x87_modrm_st0, NULL},
     {0xdf, 5, 0, X86_DECODE_CMD_FLD, 8, false, false,
-     decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL, NULL},
     {0xdf, 7, 0, X86_DECODE_CMD_FST, 8, false, true,
-     decode_x87_modrm_intp, NULL, NULL, RFLAGS_MASK_NONE},
+     decode_x87_modrm_intp, NULL, NULL},
 };
 
 void calc_modrm_operand16(CPUX86State *env, struct x86_decode *decode,
@@ -2045,7 +2030,6 @@  static inline void decode_opcode_general(CPUX86State *env,
     if (inst_decoder->operand_size) {
         decode->operand_size = inst_decoder->operand_size;
     }
-    decode->flags_mask = inst_decoder->flags_mask;
 
     if (inst_decoder->is_modrm) {
         decode_modrm(env, decode);