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charset="utf-8" If the vex_special field was not initialized, it was considered to be X86_VEX_SSEUnaligned (whose value was zero). Add a new value to fix that. Cc: qemu-stable@nongnu.org Reviewed-by: Richard Henderson Signed-off-by: Paolo Bonzini --- target/i386/tcg/decode-new.h | 2 ++ target/i386/tcg/decode-new.c.inc | 11 +++++++---- 2 files changed, 9 insertions(+), 4 deletions(-) diff --git a/target/i386/tcg/decode-new.h b/target/i386/tcg/decode-new.h index 7f23d373ea7..92822969003 100644 --- a/target/i386/tcg/decode-new.h +++ b/target/i386/tcg/decode-new.h @@ -242,6 +242,8 @@ typedef enum X86InsnSpecial { * section of the manual. */ typedef enum X86VEXSpecial { + X86_VEX_None, + /* Legacy SSE instructions that allow unaligned operands */ X86_VEX_SSEUnaligned, =20 diff --git a/target/i386/tcg/decode-new.c.inc b/target/i386/tcg/decode-new.= c.inc index 9d3a7c0d426..f662364c600 100644 --- a/target/i386/tcg/decode-new.c.inc +++ b/target/i386/tcg/decode-new.c.inc @@ -1068,15 +1068,15 @@ static void decode_0F10(DisasContext *s, CPUX86Stat= e *env, X86OpEntry *entry, ui static void decode_0F11(DisasContext *s, CPUX86State *env, X86OpEntry *ent= ry, uint8_t *b) { static const X86OpEntry opcodes_0F11_reg[4] =3D { - X86_OP_ENTRY3(MOVDQ, W,x, None,None, V,x, vex4), /* MOVUPS */ - X86_OP_ENTRY3(MOVDQ, W,x, None,None, V,x, vex4), /* MOVUPD */ + X86_OP_ENTRY3(MOVDQ, W,x, None,None, V,x, vex4_unal), /* MOVUPS= */ + X86_OP_ENTRY3(MOVDQ, W,x, None,None, V,x, vex4_unal), /* MOVUPD= */ X86_OP_ENTRY3(VMOVSS, W,x, H,x, V,x, vex5), X86_OP_ENTRY3(VMOVLPx, W,x, H,x, V,q, vex5), /* MOVSD */ }; =20 static const X86OpEntry opcodes_0F11_mem[4] =3D { - X86_OP_ENTRY3(MOVDQ, W,x, None,None, V,x, vex4), /* MOVUPS */ - X86_OP_ENTRY3(MOVDQ, W,x, None,None, V,x, vex4), /* MOVUPD */ + X86_OP_ENTRY3(MOVDQ, W,x, None,None, V,x, vex4_unal), /* MOV= UPS */ + X86_OP_ENTRY3(MOVDQ, W,x, None,None, V,x, vex4_unal), /* MOV= UPD */ X86_OP_ENTRY3(VMOVSS_st, M,ss, None,None, V,x, vex5), X86_OP_ENTRY3(VMOVLPx_st, M,sd, None,None, V,x, vex5), /* MOVSD */ }; @@ -2624,6 +2624,9 @@ static bool validate_vex(DisasContext *s, X86DecodedI= nsn *decode) X86OpEntry *e =3D &decode->e; =20 switch (e->vex_special) { + case X86_VEX_None: + break; + case X86_VEX_REPScalar: /* * Instructions which differ between 00/66 and F2/F3 in the --=20 2.52.0