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Convert addx, subx, next_insn and mov_pc_npc to TCG 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4009 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-03-02 18:22:19 +00:00
parent 0cf767d663
commit 38bc628b08
2 changed files with 29 additions and 27 deletions
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21
target-sparc/op.c
View File

@ -215,11 +215,6 @@ void OPPROTO op_add_T1_T0_cc(void)
FORCE_RET();
}
void OPPROTO op_addx_T1_T0(void)
{
T0 += T1 + FLAG_SET(PSR_CARRY);
}
void OPPROTO op_addx_T1_T0_cc(void)
{
target_ulong src1;
@ -413,11 +408,6 @@ void OPPROTO op_sub_T1_T0_cc(void)
FORCE_RET();
}
void OPPROTO op_subx_T1_T0(void)
{
T0 -= T1 + FLAG_SET(PSR_CARRY);
}
void OPPROTO op_subx_T1_T0_cc(void)
{
target_ulong src1;
@ -1184,17 +1174,6 @@ void OPPROTO op_eval_brgez(void)
}
#endif
void OPPROTO op_mov_pc_npc(void)
{
env->pc = env->npc;
}
void OPPROTO op_next_insn(void)
{
env->pc = env->npc;
env->npc = env->npc + 4;
}
void OPPROTO op_jmp_label(void)
{
GOTO_LABEL_PARAM(1);

35
target-sparc/translate.c
View File

@ -412,16 +412,26 @@ static inline void gen_mov_pc_npc(DisasContext * dc)
{
if (dc->npc == JUMP_PC) {
gen_generic_branch(dc->jump_pc[0], dc->jump_pc[1]);
gen_op_mov_pc_npc();
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, npc));
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, pc));
dc->pc = DYNAMIC_PC;
} else if (dc->npc == DYNAMIC_PC) {
gen_op_mov_pc_npc();
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, npc));
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, pc));
dc->pc = DYNAMIC_PC;
} else {
dc->pc = dc->npc;
}
}
static inline void gen_op_next_insn(void)
{
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, npc));
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, pc));
tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, 4);
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, npc));
}
static GenOpFunc * const gen_cond[2][16] = {
{
gen_op_eval_bn,
@ -991,6 +1001,13 @@ static inline void gen_ldstub_asi(int insn)
}
#endif
static inline void gen_mov_reg_C(TCGv reg)
{
tcg_gen_ld_i32(reg, cpu_env, offsetof(CPUSPARCState, psr));
tcg_gen_shri_i32(reg, reg, 20);
tcg_gen_andi_i32(reg, reg, 0x1);
}
/* before an instruction, dc->pc must be static */
static void disas_sparc_insn(DisasContext * dc)
{
@ -2111,8 +2128,11 @@ static void disas_sparc_insn(DisasContext * dc)
case 0x8:
if (xop & 0x10)
gen_op_addx_T1_T0_cc();
else
gen_op_addx_T1_T0();
else {
gen_mov_reg_C(cpu_tmp0);
tcg_gen_add_tl(cpu_T[1], cpu_T[1], cpu_tmp0);
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
}
break;
#ifdef TARGET_SPARC64
case 0x9: /* V9 mulx */
@ -2132,8 +2152,11 @@ static void disas_sparc_insn(DisasContext * dc)
case 0xc:
if (xop & 0x10)
gen_op_subx_T1_T0_cc();
else
gen_op_subx_T1_T0();
else {
gen_mov_reg_C(cpu_tmp0);
tcg_gen_add_tl(cpu_T[1], cpu_T[1], cpu_tmp0);
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]);
}
break;
#ifdef TARGET_SPARC64
case 0xd: /* V9 udivx */