It is already checked before getting there.
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
target/i386/tcg/translate.c | 26 ++++++++------------------
1 file changed, 8 insertions(+), 18 deletions(-)
diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index 67f2e792166..ee5ef3ccbc6 100644
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -2993,7 +2993,7 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
case 7: /* RDSEED, RDPID with f3 prefix */
if (mod != 3 ||
- (s->prefix & (PREFIX_LOCK | PREFIX_REPNZ))) {
+ (s->prefix & PREFIX_REPNZ)) {
goto illegal_op;
}
if (s->prefix & PREFIX_REPZ) {
@@ -3013,7 +3013,7 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
case 6: /* RDRAND */
if (mod != 3 ||
- (s->prefix & (PREFIX_LOCK | PREFIX_REPZ | PREFIX_REPNZ)) ||
+ (s->prefix & (PREFIX_REPZ | PREFIX_REPNZ)) ||
!(s->cpuid_ext_features & CPUID_EXT_RDRAND)) {
goto illegal_op;
}
@@ -3173,8 +3173,7 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
case 0xd0: /* xgetbv */
if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0
- || (s->prefix & (PREFIX_LOCK | PREFIX_DATA
- | PREFIX_REPZ | PREFIX_REPNZ))) {
+ || (s->prefix & (PREFIX_DATA | PREFIX_REPZ | PREFIX_REPNZ))) {
goto illegal_op;
}
tcg_gen_trunc_tl_i32(s->tmp2_i32, cpu_regs[R_ECX]);
@@ -3184,8 +3183,7 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
case 0xd1: /* xsetbv */
if ((s->cpuid_ext_features & CPUID_EXT_XSAVE) == 0
- || (s->prefix & (PREFIX_LOCK | PREFIX_DATA
- | PREFIX_REPZ | PREFIX_REPNZ))) {
+ || (s->prefix & (PREFIX_DATA | PREFIX_REPZ | PREFIX_REPNZ))) {
goto illegal_op;
}
gen_svm_check_intercept(s, SVM_EXIT_XSETBV);
@@ -3352,8 +3350,7 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
gen_st_modrm(s, decode, ot);
break;
case 0xee: /* rdpkru */
- if (s->prefix & (PREFIX_LOCK | PREFIX_DATA
- | PREFIX_REPZ | PREFIX_REPNZ)) {
+ if (s->prefix & (PREFIX_DATA | PREFIX_REPZ | PREFIX_REPNZ)) {
goto illegal_op;
}
tcg_gen_trunc_tl_i32(s->tmp2_i32, cpu_regs[R_ECX]);
@@ -3361,8 +3358,7 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
tcg_gen_extr_i64_tl(cpu_regs[R_EAX], cpu_regs[R_EDX], s->tmp1_i64);
break;
case 0xef: /* wrpkru */
- if (s->prefix & (PREFIX_LOCK | PREFIX_DATA
- | PREFIX_REPZ | PREFIX_REPNZ)) {
+ if (s->prefix & (PREFIX_DATA | PREFIX_REPZ | PREFIX_REPNZ)) {
goto illegal_op;
}
tcg_gen_concat_tl_i64(s->tmp1_i64, cpu_regs[R_EAX],
@@ -3438,7 +3434,6 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
if (prefixes & PREFIX_REPZ) {
/* bndcl */
if (reg >= 4
- || (prefixes & PREFIX_LOCK)
|| s->aflag == MO_16) {
goto illegal_op;
}
@@ -3446,7 +3441,6 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
} else if (prefixes & PREFIX_REPNZ) {
/* bndcu */
if (reg >= 4
- || (prefixes & PREFIX_LOCK)
|| s->aflag == MO_16) {
goto illegal_op;
}
@@ -3460,7 +3454,7 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
}
if (mod == 3) {
int reg2 = (modrm & 7) | REX_B(s);
- if (reg2 >= 4 || (prefixes & PREFIX_LOCK)) {
+ if (reg2 >= 4) {
goto illegal_op;
}
if (s->flags & HF_MPX_IU_MASK) {
@@ -3489,7 +3483,6 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
/* bndldx */
AddressParts a = decode->mem;
if (reg >= 4
- || (prefixes & PREFIX_LOCK)
|| s->aflag == MO_16
|| a.base < -1) {
goto illegal_op;
@@ -3525,7 +3518,6 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
if (mod != 3 && (prefixes & PREFIX_REPZ)) {
/* bndmk */
if (reg >= 4
- || (prefixes & PREFIX_LOCK)
|| s->aflag == MO_16) {
goto illegal_op;
}
@@ -3553,7 +3545,6 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
} else if (prefixes & PREFIX_REPNZ) {
/* bndcn */
if (reg >= 4
- || (prefixes & PREFIX_LOCK)
|| s->aflag == MO_16) {
goto illegal_op;
}
@@ -3565,7 +3556,7 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
}
if (mod == 3) {
int reg2 = (modrm & 7) | REX_B(s);
- if (reg2 >= 4 || (prefixes & PREFIX_LOCK)) {
+ if (reg2 >= 4) {
goto illegal_op;
}
if (s->flags & HF_MPX_IU_MASK) {
@@ -3592,7 +3583,6 @@ static void gen_multi0F(DisasContext *s, X86DecodedInsn
*decode)
/* bndstx */
AddressParts a = decode->mem;
if (reg >= 4
- || (prefixes & PREFIX_LOCK)
|| s->aflag == MO_16
|| a.base < -1) {
goto illegal_op;
--
2.45.1
