Use correct acc value to index cpu_HI/cpu_LO rather than using a fix number.
Signed-off-by: Jia Liu <pro...@gmail.com>
---
target-mips/translate.c | 126 +++++++++++++++++++++++++++++++++++++----------
1 file changed, 99 insertions(+), 27 deletions(-)
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 25adf1d..a983220 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -5,6 +5,7 @@
* Copyright (c) 2006 Marius Groeger (FPU operations)
* Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
* Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support)
+ * Copyright (c) 2012 Jia Liu & Dongxue Zhang (MIPS ASE DSP support)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -1990,33 +1991,79 @@ static void gen_shift (CPUMIPSState *env, DisasContext
*ctx, uint32_t opc,
static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg)
{
const char *opn = "hilo";
+ unsigned int acc;
if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
/* Treat as NOP. */
MIPS_DEBUG("NOP");
return;
}
+
+ if (opc == OPC_MFHI || opc == OPC_MFLO) {
+ acc = ((ctx->opcode) >> 21) & 0x03;
+ } else {
+ acc = ((ctx->opcode) >> 11) & 0x03;
+ }
+
+ if (acc != 0) {
+ check_dsp(ctx);
+ }
+
switch (opc) {
case OPC_MFHI:
- tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[0]);
+#if defined(TARGET_MIPS64)
+ if (acc != 0) {
+ tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_HI[acc]);
+ } else {
+#endif
+ tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[acc]);
+#if defined(TARGET_MIPS64)
+ }
+#endif
opn = "mfhi";
break;
case OPC_MFLO:
- tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[0]);
+#if defined(TARGET_MIPS64)
+ if (acc != 0) {
+ tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_LO[acc]);
+ } else {
+#endif
+ tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[acc]);
+#if defined(TARGET_MIPS64)
+ }
+#endif
opn = "mflo";
break;
case OPC_MTHI:
- if (reg != 0)
- tcg_gen_mov_tl(cpu_HI[0], cpu_gpr[reg]);
- else
- tcg_gen_movi_tl(cpu_HI[0], 0);
+ if (reg != 0) {
+#if defined(TARGET_MIPS64)
+ if (acc != 0) {
+ tcg_gen_ext32s_tl(cpu_HI[acc], cpu_gpr[reg]);
+ } else {
+#endif
+ tcg_gen_mov_tl(cpu_HI[acc], cpu_gpr[reg]);
+#if defined(TARGET_MIPS64)
+ }
+#endif
+ } else {
+ tcg_gen_movi_tl(cpu_HI[acc], 0);
+ }
opn = "mthi";
break;
case OPC_MTLO:
- if (reg != 0)
- tcg_gen_mov_tl(cpu_LO[0], cpu_gpr[reg]);
- else
- tcg_gen_movi_tl(cpu_LO[0], 0);
+ if (reg != 0) {
+#if defined(TARGET_MIPS64)
+ if (acc != 0) {
+ tcg_gen_ext32s_tl(cpu_LO[acc], cpu_gpr[reg]);
+ } else {
+#endif
+ tcg_gen_mov_tl(cpu_LO[acc], cpu_gpr[reg]);
+#if defined(TARGET_MIPS64)
+ }
+#endif
+ } else {
+ tcg_gen_movi_tl(cpu_LO[acc], 0);
+ }
opn = "mtlo";
break;
}
@@ -2029,6 +2076,7 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
{
const char *opn = "mul/div";
TCGv t0, t1;
+ unsigned int acc;
switch (opc) {
case OPC_DIV:
@@ -2091,6 +2139,10 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
+ acc = ((ctx->opcode) >> 11) & 0x03;
+ if (acc != 0) {
+ check_dsp(ctx);
+ }
tcg_gen_ext_tl_i64(t2, t0);
tcg_gen_ext_tl_i64(t3, t1);
@@ -2100,8 +2152,8 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
tcg_gen_shri_i64(t2, t2, 32);
tcg_gen_trunc_i64_tl(t1, t2);
tcg_temp_free_i64(t2);
- tcg_gen_ext32s_tl(cpu_LO[0], t0);
- tcg_gen_ext32s_tl(cpu_HI[0], t1);
+ tcg_gen_ext32s_tl(cpu_LO[acc], t0);
+ tcg_gen_ext32s_tl(cpu_HI[acc], t1);
}
opn = "mult";
break;
@@ -2109,6 +2161,10 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
+ acc = ((ctx->opcode) >> 11) & 0x03;
+ if (acc != 0) {
+ check_dsp(ctx);
+ }
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
@@ -2120,8 +2176,8 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
tcg_gen_shri_i64(t2, t2, 32);
tcg_gen_trunc_i64_tl(t1, t2);
tcg_temp_free_i64(t2);
- tcg_gen_ext32s_tl(cpu_LO[0], t0);
- tcg_gen_ext32s_tl(cpu_HI[0], t1);
+ tcg_gen_ext32s_tl(cpu_LO[acc], t0);
+ tcg_gen_ext32s_tl(cpu_HI[acc], t1);
}
opn = "multu";
break;
@@ -2168,41 +2224,49 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
+ acc = ((ctx->opcode) >> 11) & 0x03;
+ if (acc != 0) {
+ check_dsp(ctx);
+ }
tcg_gen_ext_tl_i64(t2, t0);
tcg_gen_ext_tl_i64(t3, t1);
tcg_gen_mul_i64(t2, t2, t3);
- tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
+ tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
tcg_gen_add_i64(t2, t2, t3);
tcg_temp_free_i64(t3);
tcg_gen_trunc_i64_tl(t0, t2);
tcg_gen_shri_i64(t2, t2, 32);
tcg_gen_trunc_i64_tl(t1, t2);
tcg_temp_free_i64(t2);
- tcg_gen_ext32s_tl(cpu_LO[0], t0);
- tcg_gen_ext32s_tl(cpu_HI[0], t1);
+ tcg_gen_ext32s_tl(cpu_LO[acc], t0);
+ tcg_gen_ext32s_tl(cpu_HI[acc], t1);
}
opn = "madd";
break;
case OPC_MADDU:
- {
+ {
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
+ acc = ((ctx->opcode) >> 11) & 0x03;
+ if (acc != 0) {
+ check_dsp(ctx);
+ }
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_extu_tl_i64(t2, t0);
tcg_gen_extu_tl_i64(t3, t1);
tcg_gen_mul_i64(t2, t2, t3);
- tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
+ tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
tcg_gen_add_i64(t2, t2, t3);
tcg_temp_free_i64(t3);
tcg_gen_trunc_i64_tl(t0, t2);
tcg_gen_shri_i64(t2, t2, 32);
tcg_gen_trunc_i64_tl(t1, t2);
tcg_temp_free_i64(t2);
- tcg_gen_ext32s_tl(cpu_LO[0], t0);
- tcg_gen_ext32s_tl(cpu_HI[0], t1);
+ tcg_gen_ext32s_tl(cpu_LO[acc], t0);
+ tcg_gen_ext32s_tl(cpu_HI[acc], t1);
}
opn = "maddu";
break;
@@ -2210,19 +2274,23 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
+ acc = ((ctx->opcode) >> 11) & 0x03;
+ if (acc != 0) {
+ check_dsp(ctx);
+ }
tcg_gen_ext_tl_i64(t2, t0);
tcg_gen_ext_tl_i64(t3, t1);
tcg_gen_mul_i64(t2, t2, t3);
- tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
+ tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
tcg_gen_sub_i64(t2, t3, t2);
tcg_temp_free_i64(t3);
tcg_gen_trunc_i64_tl(t0, t2);
tcg_gen_shri_i64(t2, t2, 32);
tcg_gen_trunc_i64_tl(t1, t2);
tcg_temp_free_i64(t2);
- tcg_gen_ext32s_tl(cpu_LO[0], t0);
- tcg_gen_ext32s_tl(cpu_HI[0], t1);
+ tcg_gen_ext32s_tl(cpu_LO[acc], t0);
+ tcg_gen_ext32s_tl(cpu_HI[acc], t1);
}
opn = "msub";
break;
@@ -2230,21 +2298,25 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
{
TCGv_i64 t2 = tcg_temp_new_i64();
TCGv_i64 t3 = tcg_temp_new_i64();
+ acc = ((ctx->opcode) >> 11) & 0x03;
+ if (acc != 0) {
+ check_dsp(ctx);
+ }
tcg_gen_ext32u_tl(t0, t0);
tcg_gen_ext32u_tl(t1, t1);
tcg_gen_extu_tl_i64(t2, t0);
tcg_gen_extu_tl_i64(t3, t1);
tcg_gen_mul_i64(t2, t2, t3);
- tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
+ tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]);
tcg_gen_sub_i64(t2, t3, t2);
tcg_temp_free_i64(t3);
tcg_gen_trunc_i64_tl(t0, t2);
tcg_gen_shri_i64(t2, t2, 32);
tcg_gen_trunc_i64_tl(t1, t2);
tcg_temp_free_i64(t2);
- tcg_gen_ext32s_tl(cpu_LO[0], t0);
- tcg_gen_ext32s_tl(cpu_HI[0], t1);
+ tcg_gen_ext32s_tl(cpu_LO[acc], t0);
+ tcg_gen_ext32s_tl(cpu_HI[acc], t1);
}
opn = "msubu";
break;
--
1.7.9.5
