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-rw-r--r--target-mips/helper.h4
-rw-r--r--target-mips/op_helper.c142
-rw-r--r--target-mips/translate.c75
3 files changed, 62 insertions, 159 deletions
diff --git a/target-mips/helper.h b/target-mips/helper.h
index da8d9a1381..acf9ebd759 100644
--- a/target-mips/helper.h
+++ b/target-mips/helper.h
@@ -4,13 +4,9 @@ DEF_HELPER_3(raise_exception_err, noreturn, env, i32, int)
DEF_HELPER_2(raise_exception, noreturn, env, i32)
#ifdef TARGET_MIPS64
-DEF_HELPER_4(ldl, tl, env, tl, tl, int)
-DEF_HELPER_4(ldr, tl, env, tl, tl, int)
DEF_HELPER_4(sdl, void, env, tl, tl, int)
DEF_HELPER_4(sdr, void, env, tl, tl, int)
#endif
-DEF_HELPER_4(lwl, tl, env, tl, tl, int)
-DEF_HELPER_4(lwr, tl, env, tl, tl, int)
DEF_HELPER_4(swl, void, env, tl, tl, int)
DEF_HELPER_4(swr, void, env, tl, tl, int)
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index 78497d9a87..773c7104af 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -350,56 +350,6 @@ HELPER_ST_ATOMIC(scd, ld, sd, 0x7)
#define GET_OFFSET(addr, offset) (addr - (offset))
#endif
-target_ulong helper_lwl(CPUMIPSState *env, target_ulong arg1,
- target_ulong arg2, int mem_idx)
-{
- target_ulong tmp;
-
- tmp = do_lbu(env, arg2, mem_idx);
- arg1 = (arg1 & 0x00FFFFFF) | (tmp << 24);
-
- if (GET_LMASK(arg2) <= 2) {
- tmp = do_lbu(env, GET_OFFSET(arg2, 1), mem_idx);
- arg1 = (arg1 & 0xFF00FFFF) | (tmp << 16);
- }
-
- if (GET_LMASK(arg2) <= 1) {
- tmp = do_lbu(env, GET_OFFSET(arg2, 2), mem_idx);
- arg1 = (arg1 & 0xFFFF00FF) | (tmp << 8);
- }
-
- if (GET_LMASK(arg2) == 0) {
- tmp = do_lbu(env, GET_OFFSET(arg2, 3), mem_idx);
- arg1 = (arg1 & 0xFFFFFF00) | tmp;
- }
- return (int32_t)arg1;
-}
-
-target_ulong helper_lwr(CPUMIPSState *env, target_ulong arg1,
- target_ulong arg2, int mem_idx)
-{
- target_ulong tmp;
-
- tmp = do_lbu(env, arg2, mem_idx);
- arg1 = (arg1 & 0xFFFFFF00) | tmp;
-
- if (GET_LMASK(arg2) >= 1) {
- tmp = do_lbu(env, GET_OFFSET(arg2, -1), mem_idx);
- arg1 = (arg1 & 0xFFFF00FF) | (tmp << 8);
- }
-
- if (GET_LMASK(arg2) >= 2) {
- tmp = do_lbu(env, GET_OFFSET(arg2, -2), mem_idx);
- arg1 = (arg1 & 0xFF00FFFF) | (tmp << 16);
- }
-
- if (GET_LMASK(arg2) == 3) {
- tmp = do_lbu(env, GET_OFFSET(arg2, -3), mem_idx);
- arg1 = (arg1 & 0x00FFFFFF) | (tmp << 24);
- }
- return (int32_t)arg1;
-}
-
void helper_swl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
int mem_idx)
{
@@ -440,98 +390,6 @@ void helper_swr(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
#define GET_LMASK64(v) (((v) & 7) ^ 7)
#endif
-target_ulong helper_ldl(CPUMIPSState *env, target_ulong arg1,
- target_ulong arg2, int mem_idx)
-{
- uint64_t tmp;
-
- tmp = do_lbu(env, arg2, mem_idx);
- arg1 = (arg1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56);
-
- if (GET_LMASK64(arg2) <= 6) {
- tmp = do_lbu(env, GET_OFFSET(arg2, 1), mem_idx);
- arg1 = (arg1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48);
- }
-
- if (GET_LMASK64(arg2) <= 5) {
- tmp = do_lbu(env, GET_OFFSET(arg2, 2), mem_idx);
- arg1 = (arg1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40);
- }
-
- if (GET_LMASK64(arg2) <= 4) {
- tmp = do_lbu(env, GET_OFFSET(arg2, 3), mem_idx);
- arg1 = (arg1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32);
- }
-
- if (GET_LMASK64(arg2) <= 3) {
- tmp = do_lbu(env, GET_OFFSET(arg2, 4), mem_idx);
- arg1 = (arg1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24);
- }
-
- if (GET_LMASK64(arg2) <= 2) {
- tmp = do_lbu(env, GET_OFFSET(arg2, 5), mem_idx);
- arg1 = (arg1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16);
- }
-
- if (GET_LMASK64(arg2) <= 1) {
- tmp = do_lbu(env, GET_OFFSET(arg2, 6), mem_idx);
- arg1 = (arg1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8);
- }
-
- if (GET_LMASK64(arg2) == 0) {
- tmp = do_lbu(env, GET_OFFSET(arg2, 7), mem_idx);
- arg1 = (arg1 & 0xFFFFFFFFFFFFFF00ULL) | tmp;
- }
-
- return arg1;
-}
-
-target_ulong helper_ldr(CPUMIPSState *env, target_ulong arg1,
- target_ulong arg2, int mem_idx)
-{
- uint64_t tmp;
-
- tmp = do_lbu(env, arg2, mem_idx);
- arg1 = (arg1 & 0xFFFFFFFFFFFFFF00ULL) | tmp;
-
- if (GET_LMASK64(arg2) >= 1) {
- tmp = do_lbu(env, GET_OFFSET(arg2, -1), mem_idx);
- arg1 = (arg1 & 0xFFFFFFFFFFFF00FFULL) | (tmp << 8);
- }
-
- if (GET_LMASK64(arg2) >= 2) {
- tmp = do_lbu(env, GET_OFFSET(arg2, -2), mem_idx);
- arg1 = (arg1 & 0xFFFFFFFFFF00FFFFULL) | (tmp << 16);
- }
-
- if (GET_LMASK64(arg2) >= 3) {
- tmp = do_lbu(env, GET_OFFSET(arg2, -3), mem_idx);
- arg1 = (arg1 & 0xFFFFFFFF00FFFFFFULL) | (tmp << 24);
- }
-
- if (GET_LMASK64(arg2) >= 4) {
- tmp = do_lbu(env, GET_OFFSET(arg2, -4), mem_idx);
- arg1 = (arg1 & 0xFFFFFF00FFFFFFFFULL) | (tmp << 32);
- }
-
- if (GET_LMASK64(arg2) >= 5) {
- tmp = do_lbu(env, GET_OFFSET(arg2, -5), mem_idx);
- arg1 = (arg1 & 0xFFFF00FFFFFFFFFFULL) | (tmp << 40);
- }
-
- if (GET_LMASK64(arg2) >= 6) {
- tmp = do_lbu(env, GET_OFFSET(arg2, -6), mem_idx);
- arg1 = (arg1 & 0xFF00FFFFFFFFFFFFULL) | (tmp << 48);
- }
-
- if (GET_LMASK64(arg2) == 7) {
- tmp = do_lbu(env, GET_OFFSET(arg2, -7), mem_idx);
- arg1 = (arg1 & 0x00FFFFFFFFFFFFFFULL) | (tmp << 56);
- }
-
- return arg1;
-}
-
void helper_sdl(CPUMIPSState *env, target_ulong arg1, target_ulong arg2,
int mem_idx)
{
diff --git a/target-mips/translate.c b/target-mips/translate.c
index a48a475806..05d88c4bfc 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -1580,7 +1580,7 @@ static void gen_ld (CPUMIPSState *env, DisasContext *ctx, uint32_t opc,
int rt, int base, int16_t offset)
{
const char *opn = "ld";
- TCGv t0, t1;
+ TCGv t0, t1, t2;
if (rt == 0 && env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)) {
/* Loongson CPU uses a load to zero register for prefetch.
@@ -1612,21 +1612,45 @@ static void gen_ld (CPUMIPSState *env, DisasContext *ctx, uint32_t opc,
opn = "lld";
break;
case OPC_LDL:
- save_cpu_state(ctx, 1);
t1 = tcg_temp_new();
+ tcg_gen_andi_tl(t1, t0, 7);
+#ifndef TARGET_WORDS_BIGENDIAN
+ tcg_gen_xori_tl(t1, t1, 7);
+#endif
+ tcg_gen_shli_tl(t1, t1, 3);
+ tcg_gen_andi_tl(t0, t0, ~7);
+ tcg_gen_qemu_ld64(t0, t0, ctx->mem_idx);
+ tcg_gen_shl_tl(t0, t0, t1);
+ tcg_gen_xori_tl(t1, t1, 63);
+ t2 = tcg_const_tl(0x7fffffffffffffffull);
+ tcg_gen_shr_tl(t2, t2, t1);
gen_load_gpr(t1, rt);
- gen_helper_1e2i(ldl, t1, t1, t0, ctx->mem_idx);
- gen_store_gpr(t1, rt);
+ tcg_gen_and_tl(t1, t1, t2);
+ tcg_temp_free(t2);
+ tcg_gen_or_tl(t0, t0, t1);
tcg_temp_free(t1);
+ gen_store_gpr(t0, rt);
opn = "ldl";
break;
case OPC_LDR:
- save_cpu_state(ctx, 1);
t1 = tcg_temp_new();
+ tcg_gen_andi_tl(t1, t0, 7);
+#ifdef TARGET_WORDS_BIGENDIAN
+ tcg_gen_xori_tl(t1, t1, 7);
+#endif
+ tcg_gen_shli_tl(t1, t1, 3);
+ tcg_gen_andi_tl(t0, t0, ~7);
+ tcg_gen_qemu_ld64(t0, t0, ctx->mem_idx);
+ tcg_gen_shr_tl(t0, t0, t1);
+ tcg_gen_xori_tl(t1, t1, 63);
+ t2 = tcg_const_tl(0xfffffffffffffffeull);
+ tcg_gen_shl_tl(t2, t2, t1);
gen_load_gpr(t1, rt);
- gen_helper_1e2i(ldr, t1, t1, t0, ctx->mem_idx);
- gen_store_gpr(t1, rt);
+ tcg_gen_and_tl(t1, t1, t2);
+ tcg_temp_free(t2);
+ tcg_gen_or_tl(t0, t0, t1);
tcg_temp_free(t1);
+ gen_store_gpr(t0, rt);
opn = "ldr";
break;
case OPC_LDPC:
@@ -1672,21 +1696,46 @@ static void gen_ld (CPUMIPSState *env, DisasContext *ctx, uint32_t opc,
opn = "lbu";
break;
case OPC_LWL:
- save_cpu_state(ctx, 1);
t1 = tcg_temp_new();
+ tcg_gen_andi_tl(t1, t0, 3);
+#ifndef TARGET_WORDS_BIGENDIAN
+ tcg_gen_xori_tl(t1, t1, 3);
+#endif
+ tcg_gen_shli_tl(t1, t1, 3);
+ tcg_gen_andi_tl(t0, t0, ~3);
+ tcg_gen_qemu_ld32u(t0, t0, ctx->mem_idx);
+ tcg_gen_shl_tl(t0, t0, t1);
+ tcg_gen_xori_tl(t1, t1, 31);
+ t2 = tcg_const_tl(0x7fffffffull);
+ tcg_gen_shr_tl(t2, t2, t1);
gen_load_gpr(t1, rt);
- gen_helper_1e2i(lwl, t1, t1, t0, ctx->mem_idx);
- gen_store_gpr(t1, rt);
+ tcg_gen_and_tl(t1, t1, t2);
+ tcg_temp_free(t2);
+ tcg_gen_or_tl(t0, t0, t1);
tcg_temp_free(t1);
+ tcg_gen_ext32s_tl(t0, t0);
+ gen_store_gpr(t0, rt);
opn = "lwl";
break;
case OPC_LWR:
- save_cpu_state(ctx, 1);
t1 = tcg_temp_new();
+ tcg_gen_andi_tl(t1, t0, 3);
+#ifdef TARGET_WORDS_BIGENDIAN
+ tcg_gen_xori_tl(t1, t1, 3);
+#endif
+ tcg_gen_shli_tl(t1, t1, 3);
+ tcg_gen_andi_tl(t0, t0, ~3);
+ tcg_gen_qemu_ld32u(t0, t0, ctx->mem_idx);
+ tcg_gen_shr_tl(t0, t0, t1);
+ tcg_gen_xori_tl(t1, t1, 31);
+ t2 = tcg_const_tl(0xfffffffeull);
+ tcg_gen_shl_tl(t2, t2, t1);
gen_load_gpr(t1, rt);
- gen_helper_1e2i(lwr, t1, t1, t0, ctx->mem_idx);
- gen_store_gpr(t1, rt);
+ tcg_gen_and_tl(t1, t1, t2);
+ tcg_temp_free(t2);
+ tcg_gen_or_tl(t0, t0, t1);
tcg_temp_free(t1);
+ gen_store_gpr(t0, rt);
opn = "lwr";
break;
case OPC_LL:
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-01 03:52:54 +0000