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target-i386: exception handling for div instructions

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This patch fixes exception handling for div instructions
and removes obsolete PC update from translate.c.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Pavel Dovgalyuk 2015-07-10 12:57:25 +03:00 • committed by Richard Henderson
parent 6cad09d2f7
commit cc33c5d66b
2 changed files with 16 additions and 24 deletions
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8
target-i386/translate.c
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@ -4841,21 +4841,17 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
case 6: /* div */
switch(ot) {
case MO_8:
gen_jmp_im(pc_start - s->cs_base);
gen_helper_divb_AL(cpu_env, cpu_T[0]);
break;
case MO_16:
gen_jmp_im(pc_start - s->cs_base);
gen_helper_divw_AX(cpu_env, cpu_T[0]);
break;
default:
case MO_32:
gen_jmp_im(pc_start - s->cs_base);
gen_helper_divl_EAX(cpu_env, cpu_T[0]);
break;
#ifdef TARGET_X86_64
case MO_64:
gen_jmp_im(pc_start - s->cs_base);
gen_helper_divq_EAX(cpu_env, cpu_T[0]);
break;
#endif
@ -4864,21 +4860,17 @@ static target_ulong disas_insn(CPUX86State *env, DisasContext *s,
case 7: /* idiv */
switch(ot) {
case MO_8:
gen_jmp_im(pc_start - s->cs_base);
gen_helper_idivb_AL(cpu_env, cpu_T[0]);
break;
case MO_16:
gen_jmp_im(pc_start - s->cs_base);
gen_helper_idivw_AX(cpu_env, cpu_T[0]);
break;
default:
case MO_32:
gen_jmp_im(pc_start - s->cs_base);
gen_helper_idivl_EAX(cpu_env, cpu_T[0]);
break;
#ifdef TARGET_X86_64
case MO_64:
gen_jmp_im(pc_start - s->cs_base);
gen_helper_idivq_EAX(cpu_env, cpu_T[0]);
break;
#endif