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target-sparc: Only use cpu_dst for eventual writes to a gpr 

Use cpu_tmp0 for other stuff, like Write Priv Register.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Richard Henderson 2012-10-16 19:32:29 +10:00 committed by Blue Swirl
parent abcc71919c
commit 7b04bd5cca
1 changed files with 26 additions and 26 deletions
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52
target-sparc/translate.c
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@ -3620,19 +3620,19 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
break;
#else
case 0x2: /* V9 wrccr */
tcg_gen_xor_tl(cpu_dst, cpu_src1, cpu_src2);
gen_helper_wrccr(cpu_env, cpu_dst);
tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
gen_helper_wrccr(cpu_env, cpu_tmp0);
tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
dc->cc_op = CC_OP_FLAGS;
break;
case 0x3: /* V9 wrasi */
tcg_gen_xor_tl(cpu_dst, cpu_src1, cpu_src2);
tcg_gen_andi_tl(cpu_dst, cpu_dst, 0xff);
tcg_gen_trunc_tl_i32(cpu_asi, cpu_dst);
tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, 0xff);
tcg_gen_trunc_tl_i32(cpu_asi, cpu_tmp0);
break;
case 0x6: /* V9 wrfprs */
tcg_gen_xor_tl(cpu_dst, cpu_src1, cpu_src2);
tcg_gen_trunc_tl_i32(cpu_fprs, cpu_dst);
tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
tcg_gen_trunc_tl_i32(cpu_fprs, cpu_tmp0);
save_state(dc);
gen_op_next_insn();
tcg_gen_exit_tb(0);
@ -3695,13 +3695,13 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
{
TCGv_ptr r_tickptr;
tcg_gen_xor_tl(cpu_dst, cpu_src1,
tcg_gen_xor_tl(cpu_tmp0, cpu_src1,
cpu_src2);
r_tickptr = tcg_temp_new_ptr();
tcg_gen_ld_ptr(r_tickptr, cpu_env,
offsetof(CPUSPARCState, stick));
gen_helper_tick_set_count(r_tickptr,
cpu_dst);
cpu_tmp0);
tcg_temp_free_ptr(r_tickptr);
}
break;
@ -3756,8 +3756,8 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
goto illegal_insn;
}
#else
tcg_gen_xor_tl(cpu_dst, cpu_src1, cpu_src2);
gen_helper_wrpsr(cpu_env, cpu_dst);
tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
gen_helper_wrpsr(cpu_env, cpu_tmp0);
tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
dc->cc_op = CC_OP_FLAGS;
save_state(dc);
@ -4478,22 +4478,22 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
cpu_src1 = get_src1(dc, insn);
if (IS_IMM) { /* immediate */
simm = GET_FIELDs(insn, 19, 31);
tcg_gen_addi_tl(cpu_dst, cpu_src1, simm);
tcg_gen_addi_tl(cpu_tmp0, cpu_src1, simm);
} else { /* register */
rs2 = GET_FIELD(insn, 27, 31);
if (rs2) {
cpu_src2 = gen_load_gpr(dc, rs2);
tcg_gen_add_tl(cpu_dst, cpu_src1, cpu_src2);
tcg_gen_add_tl(cpu_tmp0, cpu_src1, cpu_src2);
} else {
tcg_gen_mov_tl(cpu_dst, cpu_src1);
tcg_gen_mov_tl(cpu_tmp0, cpu_src1);
}
}
gen_helper_restore(cpu_env);
gen_mov_pc_npc(dc);
r_const = tcg_const_i32(3);
gen_helper_check_align(cpu_env, cpu_dst, r_const);
gen_helper_check_align(cpu_env, cpu_tmp0, r_const);
tcg_temp_free_i32(r_const);
tcg_gen_mov_tl(cpu_npc, cpu_dst);
tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
dc->npc = DYNAMIC_PC;
goto jmp_insn;
#endif
@ -4501,14 +4501,14 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
cpu_src1 = get_src1(dc, insn);
if (IS_IMM) { /* immediate */
simm = GET_FIELDs(insn, 19, 31);
tcg_gen_addi_tl(cpu_dst, cpu_src1, simm);
tcg_gen_addi_tl(cpu_tmp0, cpu_src1, simm);
} else { /* register */
rs2 = GET_FIELD(insn, 27, 31);
if (rs2) {
cpu_src2 = gen_load_gpr(dc, rs2);
tcg_gen_add_tl(cpu_dst, cpu_src1, cpu_src2);
tcg_gen_add_tl(cpu_tmp0, cpu_src1, cpu_src2);
} else {
tcg_gen_mov_tl(cpu_dst, cpu_src1);
tcg_gen_mov_tl(cpu_tmp0, cpu_src1);
}
}
switch (xop) {
@ -4522,10 +4522,10 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
gen_store_gpr(dc, rd, t);
gen_mov_pc_npc(dc);
r_const = tcg_const_i32(3);
gen_helper_check_align(cpu_env, cpu_dst, r_const);
gen_helper_check_align(cpu_env, cpu_tmp0, r_const);
tcg_temp_free_i32(r_const);
gen_address_mask(dc, cpu_dst);
tcg_gen_mov_tl(cpu_npc, cpu_dst);
gen_address_mask(dc, cpu_tmp0);
tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
dc->npc = DYNAMIC_PC;
}
goto jmp_insn;
@ -4538,9 +4538,9 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
goto priv_insn;
gen_mov_pc_npc(dc);
r_const = tcg_const_i32(3);
gen_helper_check_align(cpu_env, cpu_dst, r_const);
gen_helper_check_align(cpu_env, cpu_tmp0, r_const);
tcg_temp_free_i32(r_const);
tcg_gen_mov_tl(cpu_npc, cpu_dst);
tcg_gen_mov_tl(cpu_npc, cpu_tmp0);
dc->npc = DYNAMIC_PC;
gen_helper_rett(cpu_env);
}
@ -4554,12 +4554,12 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
case 0x3c: /* save */
save_state(dc);
gen_helper_save(cpu_env);
gen_store_gpr(dc, rd, cpu_dst);
gen_store_gpr(dc, rd, cpu_tmp0);
break;
case 0x3d: /* restore */
save_state(dc);
gen_helper_restore(cpu_env);
gen_store_gpr(dc, rd, cpu_dst);
gen_store_gpr(dc, rd, cpu_tmp0);
break;
#if !defined(CONFIG_USER_ONLY) && defined(TARGET_SPARC64)
case 0x3e: /* V9 done/retry */