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authorblueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>2008-03-02 18:22:19 +0000
committerblueswir1 <blueswir1@c046a42c-6fe2-441c-8c8c-71466251a162>2008-03-02 18:22:19 +0000
commit38bc628b08e5d43024cb407cd0605a068fcc5536 (patch)
treeac8e166f6465eff8529858f5c176015a526e5496
parent0cf767d663272011b65dfc1ef4940146c6b5db20 (diff)
downloadqemu-38bc628b08e5d43024cb407cd0605a068fcc5536.zip
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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
-rw-r--r--target-sparc/op.c21
-rw-r--r--target-sparc/translate.c35
2 files changed, 29 insertions, 27 deletions
diff --git a/target-sparc/op.c b/target-sparc/op.c
index ee5b08c..eadd1fd 100644
--- a/target-sparc/op.c
+++ b/target-sparc/op.c
@@ -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);
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index b93a087..a366b1f 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -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 */