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target-sparc: Introduce gen_check_align 

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2015-09-03 12:43:15 -07:00
parent 3f4288ebf6
commit 35e94905ce
1 changed files with 13 additions and 35 deletions
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48
target-sparc/translate.c
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@ -1058,6 +1058,13 @@ static void gen_exception(DisasContext *dc, int which)
dc->is_br = 1;
}
static void gen_check_align(TCGv addr, int mask)
{
TCGv_i32 r_mask = tcg_const_i32(mask);
gen_helper_check_align(cpu_env, addr, r_mask);
tcg_temp_free_i32(r_mask);
}
static inline void gen_mov_pc_npc(DisasContext *dc)
{
if (dc->npc == JUMP_PC) {
@ -4696,8 +4703,6 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
#endif
#ifdef TARGET_SPARC64
} else if (xop == 0x39) { /* V9 return */
TCGv_i32 r_const;
save_state(dc);
cpu_src1 = get_src1(dc, insn);
cpu_tmp0 = get_temp_tl(dc);
@ -4715,9 +4720,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
}
gen_helper_restore(cpu_env);
gen_mov_pc_npc(dc);
r_const = tcg_const_i32(3);
gen_helper_check_align(cpu_env, cpu_tmp0, r_const);
tcg_temp_free_i32(r_const);
gen_check_align(cpu_tmp0, 3);
tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
dc->npc = DYNAMIC_PC;
goto jmp_insn;
@ -4740,16 +4743,12 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
switch (xop) {
case 0x38: /* jmpl */
{
TCGv t;
TCGv_i32 r_const;
t = gen_dest_gpr(dc, rd);
TCGv t = gen_dest_gpr(dc, rd);
tcg_gen_movi_tl(t, dc->pc);
gen_store_gpr(dc, rd, t);
gen_mov_pc_npc(dc);
r_const = tcg_const_i32(3);
gen_helper_check_align(cpu_env, cpu_tmp0, r_const);
tcg_temp_free_i32(r_const);
gen_check_align(cpu_tmp0, 3);
gen_address_mask(dc, cpu_tmp0);
tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
dc->npc = DYNAMIC_PC;
@ -4758,14 +4757,10 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
#if !defined(CONFIG_USER_ONLY) && !defined(TARGET_SPARC64)
case 0x39: /* rett, V9 return */
{
TCGv_i32 r_const;
if (!supervisor(dc))
goto priv_insn;
gen_mov_pc_npc(dc);
r_const = tcg_const_i32(3);
gen_helper_check_align(cpu_env, cpu_tmp0, r_const);
tcg_temp_free_i32(r_const);
gen_check_align(cpu_tmp0, 3);
tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
dc->npc = DYNAMIC_PC;
gen_helper_rett(cpu_env);
@ -4861,14 +4856,8 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
if (rd & 1)
goto illegal_insn;
else {
TCGv_i32 r_const;
TCGv_i64 t64;
save_state(dc);
r_const = tcg_const_i32(7);
/* XXX remove alignment check */
gen_helper_check_align(cpu_env, cpu_addr, r_const);
tcg_temp_free_i32(r_const);
gen_address_mask(dc, cpu_addr);
t64 = tcg_temp_new_i64();
tcg_gen_qemu_ld64(t64, cpu_addr, dc->mem_idx);
@ -5079,18 +5068,11 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
if (rd & 1)
goto illegal_insn;
else {
TCGv_i32 r_const;
TCGv_i64 t64;
TCGv lo;
save_state(dc);
gen_address_mask(dc, cpu_addr);
r_const = tcg_const_i32(7);
/* XXX remove alignment check */
gen_helper_check_align(cpu_env, cpu_addr, r_const);
tcg_temp_free_i32(r_const);
lo = gen_load_gpr(dc, rd + 1);
t64 = tcg_temp_new_i64();
tcg_gen_concat_tl_i64(t64, lo, cpu_val);
tcg_gen_qemu_st64(t64, cpu_addr, dc->mem_idx);
@ -5203,15 +5185,11 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
break;
case 0x36: /* V9 stqfa */
{
TCGv_i32 r_const;
CHECK_FPU_FEATURE(dc, FLOAT128);
if (gen_trap_ifnofpu(dc)) {
goto jmp_insn;
}
r_const = tcg_const_i32(7);
gen_helper_check_align(cpu_env, cpu_addr, r_const);
tcg_temp_free_i32(r_const);
gen_check_align(cpu_addr, 7);
gen_stf_asi(dc, cpu_addr, insn, 16, QFPREG(rd));
}
break;