target/i386: Remove DisasContext.f_st as unused

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20210514151342.384376-20-richard.henderson@linaro.org>

target/i386/tcg/translate.c

@@ -101,7 +101,6 @@ typedef struct DisasContext {
     int vex_v;  /* vex vvvv register, without 1's complement.  */
     CCOp cc_op;  /* current CC operation */
     bool cc_op_dirty;
-    int f_st;   /* currently unused */
     int tf;     /* TF cpu flag */
     int jmp_opt; /* use direct block chaining for direct jumps */
     int repz_opt; /* optimize jumps within repz instructions */
@@ -8507,7 +8506,6 @@ static void i386_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu)
     g_assert(LMA(dc) == ((flags & HF_LMA_MASK) != 0));
     g_assert(ADDSEG(dc) == ((flags & HF_ADDSEG_MASK) != 0));
 
-    dc->f_st = 0;
     dc->tf = (flags >> TF_SHIFT) & 1;
     dc->cc_op = CC_OP_DYNAMIC;
     dc->cc_op_dirty = false;