Patchwork [v10,10/14] target-mips-ase-dsp: Add compare-pick instructions

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Submitter Jia Liu
Date Oct. 8, 2012, 8:50 a.m.
Message ID <1349686233-26114-11-git-send-email-proljc@gmail.com>
Download mbox | patch
Permalink /patch/189966/
State New
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Jia Liu - Oct. 8, 2012, 8:50 a.m.
Add MIPS ASE DSP Compare-Pick instructions.

Signed-off-by: Jia Liu <proljc@gmail.com>
---
 target-mips/dsp_helper.c |  233 +++++++++++++++++++++++++++++
 target-mips/helper.h     |   52 +++++++
 target-mips/translate.c  |  372 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 657 insertions(+)

Patch

diff --git a/target-mips/dsp_helper.c b/target-mips/dsp_helper.c
index 79612ee..06c97a2 100644
--- a/target-mips/dsp_helper.c
+++ b/target-mips/dsp_helper.c
@@ -3203,6 +3203,239 @@  BIT_INSV(dinsv, 0x7F, 0x3F, target_long);
 #undef BIT_INSV
 
 
+/** DSP Compare-Pick Sub-class insns **/
+#define CMP_HAS_RET(name, func, split_num, filter, bit_size) \
+target_ulong helper_##name(target_ulong rs, target_ulong rt) \
+{                                                       \
+    uint32_t rs_t, rt_t;                                \
+    uint8_t cc;                                         \
+    uint32_t temp = 0;                                  \
+    int i;                                              \
+                                                        \
+    for (i = 0; i < split_num; i++) {                   \
+        rs_t = (rs >> (bit_size * i)) & filter;         \
+        rt_t = (rt >> (bit_size * i)) & filter;         \
+        cc = mipsdsp_##func(rs_t, rt_t);                \
+        temp |= cc << i;                                \
+    }                                                   \
+                                                        \
+    return (target_ulong)temp;                          \
+}
+
+CMP_HAS_RET(cmpgu_eq_qb, cmp_eq, 4, MIPSDSP_Q0, 8);
+CMP_HAS_RET(cmpgu_lt_qb, cmp_lt, 4, MIPSDSP_Q0, 8);
+CMP_HAS_RET(cmpgu_le_qb, cmp_le, 4, MIPSDSP_Q0, 8);
+
+#ifdef TARGET_MIPS64
+CMP_HAS_RET(cmpgu_eq_ob, cmp_eq, 8, MIPSDSP_Q0, 8);
+CMP_HAS_RET(cmpgu_lt_ob, cmp_lt, 8, MIPSDSP_Q0, 8);
+CMP_HAS_RET(cmpgu_le_ob, cmp_le, 8, MIPSDSP_Q0, 8);
+#endif
+
+#undef CMP_HAS_RET
+
+
+#define CMP_NO_RET(name, func, split_num, filter, bit_size)   \
+void helper_##name(target_ulong rs, target_ulong rt,      \
+                            CPUMIPSState *env)            \
+{                                                         \
+    int32_t rs_t, rt_t;                                   \
+    int32_t flag = 0;                                     \
+    int32_t cc;                                           \
+    int i;                                                \
+                                                          \
+    for (i = 0; i < split_num; i++) {                     \
+        rs_t = (rs >> (bit_size * i)) & filter;           \
+        rt_t = (rt >> (bit_size * i)) & filter;           \
+                                                          \
+        cc = mipsdsp_##func(rs_t, rt_t);                  \
+        flag |= cc << i;                                  \
+    }                                                     \
+                                                          \
+    set_DSPControl_24(flag, split_num, env);              \
+}
+
+CMP_NO_RET(cmpu_eq_qb, cmp_eq, 4, MIPSDSP_Q0, 8);
+CMP_NO_RET(cmpu_lt_qb, cmp_lt, 4, MIPSDSP_Q0, 8);
+CMP_NO_RET(cmpu_le_qb, cmp_le, 4, MIPSDSP_Q0, 8);
+
+CMP_NO_RET(cmp_eq_ph, cmp_eq, 2, MIPSDSP_LO, 16);
+CMP_NO_RET(cmp_lt_ph, cmp_lt, 2, MIPSDSP_LO, 16);
+CMP_NO_RET(cmp_le_ph, cmp_le, 2, MIPSDSP_LO, 16);
+
+#ifdef TARGET_MIPS64
+CMP_NO_RET(cmpu_eq_ob, cmp_eq, 8, MIPSDSP_Q0, 8);
+CMP_NO_RET(cmpu_lt_ob, cmp_lt, 8, MIPSDSP_Q0, 8);
+CMP_NO_RET(cmpu_le_ob, cmp_le, 8, MIPSDSP_Q0, 8);
+
+CMP_NO_RET(cmp_eq_qh, cmp_eq, 4, MIPSDSP_LO, 16);
+CMP_NO_RET(cmp_lt_qh, cmp_lt, 4, MIPSDSP_LO, 16);
+CMP_NO_RET(cmp_le_qh, cmp_le, 4, MIPSDSP_LO, 16);
+
+CMP_NO_RET(cmp_eq_pw, cmp_eq, 2, MIPSDSP_LLO, 32);
+CMP_NO_RET(cmp_lt_pw, cmp_lt, 2, MIPSDSP_LLO, 32);
+CMP_NO_RET(cmp_le_pw, cmp_le, 2, MIPSDSP_LLO, 32);
+#endif
+#undef CMP_NO_RET
+
+#if defined(TARGET_MIPS64)
+
+#define CMPGDU_OB(name) \
+target_ulong helper_cmpgdu_##name##_ob(target_ulong rs, target_ulong rt, \
+                                       CPUMIPSState *env)  \
+{                                                     \
+    int i;                                            \
+    uint8_t rs_t, rt_t;                               \
+    uint32_t cond;                                    \
+                                                      \
+    cond = 0;                                         \
+                                                      \
+    for (i = 0; i < 8; i++) {                         \
+        rs_t = (rs >> (8 * i)) & MIPSDSP_Q0;          \
+        rt_t = (rt >> (8 * i)) & MIPSDSP_Q0;          \
+                                                      \
+        if (mipsdsp_cmp_##name(rs_t, rt_t)) {         \
+            cond |= 0x01 << i;                        \
+        }                                             \
+    }                                                 \
+                                                      \
+    set_DSPControl_24(cond, 8, env);                  \
+                                                      \
+    return (uint64_t)cond;                            \
+}
+
+CMPGDU_OB(eq)
+CMPGDU_OB(lt)
+CMPGDU_OB(le)
+#undef CMPGDU_OB
+#endif
+
+#define PICK_INSN(name, split_num, filter, bit_size, ret32bit) \
+target_ulong helper_##name(target_ulong rs, target_ulong rt,   \
+                            CPUMIPSState *env)                 \
+{                                                              \
+    uint32_t rs_t, rt_t;                                       \
+    uint32_t cc;                                               \
+    target_ulong dsp;                                          \
+    int i;                                                     \
+    target_ulong result = 0;                                   \
+                                                               \
+    dsp = env->active_tc.DSPControl;                           \
+    for (i = 0; i < split_num; i++) {                          \
+        rs_t = (rs >> (bit_size * i)) & filter;                \
+        rt_t = (rt >> (bit_size * i)) & filter;                \
+        cc = (dsp >> (24 + i)) & 0x01;                         \
+        cc = cc == 1 ? rs_t : rt_t;                            \
+                                                               \
+        result |= (target_ulong)cc << (bit_size * i);          \
+    }                                                          \
+                                                               \
+    if (ret32bit) {                                            \
+        result = (target_long)(int32_t)(result & MIPSDSP_LLO); \
+    }                                                          \
+                                                               \
+    return result;                                             \
+}
+
+PICK_INSN(pick_qb, 4, MIPSDSP_Q0, 8, 1);
+PICK_INSN(pick_ph, 2, MIPSDSP_LO, 16, 1);
+
+#ifdef TARGET_MIPS64
+PICK_INSN(pick_ob, 8, MIPSDSP_Q0, 8, 0);
+PICK_INSN(pick_qh, 4, MIPSDSP_LO, 16, 0);
+PICK_INSN(pick_pw, 2, MIPSDSP_LLO, 32, 0);
+#endif
+#undef PICK_INSN
+
+#define APPEND_INSN(name, ret_32) \
+target_ulong helper_##name(target_ulong rt, target_ulong rs, uint32_t sa) \
+{                                                                         \
+    target_ulong temp;                                                    \
+                                                                          \
+    if (ret_32) {                                                         \
+        temp = ((rt & MIPSDSP_LLO) << sa) |                               \
+               ((rs & MIPSDSP_LLO) & ((0x01 << sa) - 1));                 \
+        temp = (target_long)(int32_t)(temp & MIPSDSP_LLO);                \
+    } else {                                                              \
+        temp = (rt << sa) | (rs & ((0x01 << sa) - 1));                    \
+    }                                                                     \
+                                                                          \
+    return temp;                                                          \
+}
+
+APPEND_INSN(append, 1);
+#ifdef TARGET_MIPS64
+APPEND_INSN(dappend, 0);
+#endif
+#undef APPEND_INSN
+
+#define PREPEND_INSN(name, or_val, ret_32)                    \
+target_ulong helper_##name(target_ulong rs, target_ulong rt,  \
+                           uint32_t sa)                       \
+{                                                             \
+    sa |= or_val;                                             \
+                                                              \
+    if (1) {                                                  \
+        return (target_long)(int32_t)(uint32_t)               \
+            (((rs & MIPSDSP_LLO) << (32 - sa)) |              \
+             ((rt & MIPSDSP_LLO) >> sa));                     \
+    } else {                                                  \
+        return (rs << (64 - sa)) | (rt >> sa);                \
+    }                                                         \
+}
+
+PREPEND_INSN(prepend, 0, 1);
+#ifdef TARGET_MIPS64
+PREPEND_INSN(prependw, 0, 0);
+PREPEND_INSN(prependd, 0x20, 0);
+#endif
+#undef PREPEND_INSN
+
+#define BALIGN_INSN(name, filter, ret32) \
+target_ulong helper_##name(target_ulong rs, target_ulong rt, uint32_t bp) \
+{                                                                         \
+    bp = bp & 0x03;                                                       \
+                                                                          \
+    if ((bp & 1) == 0) {                                                  \
+        return rt;                                                        \
+    } else {                                                              \
+        if (ret32) {                                                      \
+            return (target_long)(int32_t)((rt << (8 * bp)) |              \
+                                          (rs >> (8 * (4 - bp))));        \
+        } else {                                                          \
+            return (rt << (8 * bp)) | (rs >> (8 * (8 - bp)));             \
+        }                                                                 \
+    }                                                                     \
+}
+
+BALIGN_INSN(balign, 0x03, 1);
+#if defined(TARGET_MIPS64)
+BALIGN_INSN(dbalign, 0x07, 0);
+#endif
+#undef BALIGN_INSN
+
+target_ulong helper_packrl_ph(target_ulong rs, target_ulong rt)
+{
+    uint32_t rsl, rth;
+
+    rsl =  rs & MIPSDSP_LO;
+    rth = (rt & MIPSDSP_HI) >> 16;
+
+    return (target_long)(int32_t)((rsl << 16) | rth);
+}
+
+#if defined(TARGET_MIPS64)
+target_ulong helper_packrl_pw(target_ulong rs, target_ulong rt)
+{
+    uint32_t rs0, rt1;
+
+    rs0 = rs & MIPSDSP_LLO;
+    rt1 = (rt >> 32) & MIPSDSP_LLO;
+
+    return ((uint64_t)rs0 << 32) | (uint64_t)rt1;
+}
+#endif
+
 #undef MIPSDSP_LHI
 #undef MIPSDSP_LLO
 #undef MIPSDSP_HI
diff --git a/target-mips/helper.h b/target-mips/helper.h
index 31475a2..3d3c596 100644
--- a/target-mips/helper.h
+++ b/target-mips/helper.h
@@ -624,4 +624,56 @@  DEF_HELPER_FLAGS_3(insv, 0, tl, env, tl, tl)
 DEF_HELPER_FLAGS_3(dinsv, 0, tl, env, tl, tl);
 #endif
 
+/* DSP Compare-Pick Sub-class insns */
+DEF_HELPER_FLAGS_3(cmpu_eq_qb, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmpu_lt_qb, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmpu_le_qb, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_2(cmpgu_eq_qb, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl)
+DEF_HELPER_FLAGS_2(cmpgu_lt_qb, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl)
+DEF_HELPER_FLAGS_2(cmpgu_le_qb, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl)
+DEF_HELPER_FLAGS_3(cmp_eq_ph, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmp_lt_ph, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmp_le_ph, 0, void, tl, tl, env)
+#if defined(TARGET_MIPS64)
+DEF_HELPER_FLAGS_3(cmpu_eq_ob, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmpu_lt_ob, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmpu_le_ob, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmpgdu_eq_ob, 0, tl, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmpgdu_lt_ob, 0, tl, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmpgdu_le_ob, 0, tl, tl, tl, env)
+DEF_HELPER_FLAGS_2(cmpgu_eq_ob, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl)
+DEF_HELPER_FLAGS_2(cmpgu_lt_ob, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl)
+DEF_HELPER_FLAGS_2(cmpgu_le_ob, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl)
+DEF_HELPER_FLAGS_3(cmp_eq_qh, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmp_lt_qh, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmp_le_qh, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmp_eq_pw, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmp_lt_pw, 0, void, tl, tl, env)
+DEF_HELPER_FLAGS_3(cmp_le_pw, 0, void, tl, tl, env)
+#endif
+DEF_HELPER_FLAGS_3(pick_qb, 0, tl, tl, tl, env)
+DEF_HELPER_FLAGS_3(pick_ph, 0, tl, tl, tl, env)
+#if defined(TARGET_MIPS64)
+DEF_HELPER_FLAGS_3(pick_ob, 0, tl, tl, tl, env)
+DEF_HELPER_FLAGS_3(pick_qh, 0, tl, tl, tl, env)
+DEF_HELPER_FLAGS_3(pick_pw, 0, tl, tl, tl, env)
+#endif
+DEF_HELPER_FLAGS_3(append, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl, i32)
+#if defined(TARGET_MIPS64)
+DEF_HELPER_FLAGS_3(dappend, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl, i32)
+#endif
+DEF_HELPER_FLAGS_3(prepend, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl, i32)
+#if defined(TARGET_MIPS64)
+DEF_HELPER_FLAGS_3(prependd, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl, i32)
+DEF_HELPER_FLAGS_3(prependw, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl, i32)
+#endif
+DEF_HELPER_FLAGS_3(balign, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl, i32)
+#if defined(TARGET_MIPS64)
+DEF_HELPER_FLAGS_3(dbalign, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl, i32)
+#endif
+DEF_HELPER_FLAGS_2(packrl_ph, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl)
+#if defined(TARGET_MIPS64)
+DEF_HELPER_FLAGS_2(packrl_pw, TCG_CALL_CONST | TCG_CALL_PURE, tl, tl, tl)
+#endif
+
 #include "def-helper.h"
diff --git a/target-mips/translate.c b/target-mips/translate.c
index f8c7f19..ea939d7 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -348,6 +348,11 @@  enum {
 #if defined(TARGET_MIPS64)
     OPC_DINSV_DSP      = 0x0D | OPC_SPECIAL3,
 #endif
+    /* MIPS DSP Compare-Pick Sub-class */
+    OPC_APPEND_DSP     = 0x31 | OPC_SPECIAL3,
+#if defined(TARGET_MIPS64)
+    OPC_DAPPEND_DSP    = 0x35 | OPC_SPECIAL3,
+#endif
 };
 
 /* BSHFL opcodes */
@@ -473,6 +478,22 @@  enum {
     OPC_PRECRQ_PH_W      = (0x14 << 6) | OPC_CMPU_EQ_QB_DSP,
     OPC_PRECRQ_RS_PH_W   = (0x15 << 6) | OPC_CMPU_EQ_QB_DSP,
     OPC_PRECRQU_S_QB_PH  = (0x0F << 6) | OPC_CMPU_EQ_QB_DSP,
+    /* DSP Compare-Pick Sub-class */
+    OPC_CMPU_EQ_QB       = (0x00 << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_CMPU_LT_QB       = (0x01 << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_CMPU_LE_QB       = (0x02 << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_CMPGU_EQ_QB      = (0x04 << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_CMPGU_LT_QB      = (0x05 << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_CMPGU_LE_QB      = (0x06 << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_CMPGDU_EQ_QB     = (0x18 << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_CMPGDU_LT_QB     = (0x19 << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_CMPGDU_LE_QB     = (0x1A << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_CMP_EQ_PH        = (0x08 << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_CMP_LT_PH        = (0x09 << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_CMP_LE_PH        = (0x0A << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_PICK_QB          = (0x03 << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_PICK_PH          = (0x0B << 6) | OPC_CMPU_EQ_QB_DSP,
+    OPC_PACKRL_PH        = (0x0E << 6) | OPC_CMPU_EQ_QB_DSP,
 };
 
 #define MASK_SHLL_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
@@ -535,6 +556,14 @@  enum {
     OPC_INSV = (0x00 << 6) | OPC_INSV_DSP,
 };
 
+#define MASK_APPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
+enum {
+    /* MIPS DSP Compare-Pick Sub-class */
+    OPC_APPEND  = (0x00 << 6) | OPC_APPEND_DSP,
+    OPC_PREPEND = (0x01 << 6) | OPC_APPEND_DSP,
+    OPC_BALIGN  = (0x10 << 6) | OPC_APPEND_DSP,
+};
+
 #if defined(TARGET_MIPS64)
 #define MASK_ABSQ_S_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
 enum {
@@ -603,6 +632,26 @@  enum {
 #if defined(TARGET_MIPS64)
 #define MASK_CMPU_EQ_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
 enum {
+    /* DSP Compare-Pick Sub-class */
+    OPC_CMP_EQ_PW         = (0x10 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMP_LT_PW         = (0x11 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMP_LE_PW         = (0x12 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMP_EQ_QH         = (0x08 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMP_LT_QH         = (0x09 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMP_LE_QH         = (0x0A << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMPGDU_EQ_OB      = (0x18 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMPGDU_LT_OB      = (0x19 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMPGDU_LE_OB      = (0x1A << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMPGU_EQ_OB       = (0x04 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMPGU_LT_OB       = (0x05 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMPGU_LE_OB       = (0x06 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMPU_EQ_OB        = (0x00 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMPU_LT_OB        = (0x01 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_CMPU_LE_OB        = (0x02 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_PACKRL_PW         = (0x0E << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_PICK_OB           = (0x03 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_PICK_PW           = (0x13 << 6) | OPC_CMPU_EQ_OB_DSP,
+    OPC_PICK_QH           = (0x0B << 6) | OPC_CMPU_EQ_OB_DSP,
     /* MIPS DSP Arithmetic Sub-class */
     OPC_PRECR_OB_QH       = (0x0D << 6) | OPC_CMPU_EQ_OB_DSP,
     OPC_PRECR_SRA_QH_PW   = (0x1E << 6) | OPC_CMPU_EQ_OB_DSP,
@@ -616,6 +665,17 @@  enum {
 #endif
 
 #if defined(TARGET_MIPS64)
+#define MASK_DAPPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
+enum {
+    /* DSP Compare-Pick Sub-class */
+    OPC_DAPPEND  = (0x00 << 6) | OPC_DAPPEND_DSP,
+    OPC_PREPENDD = (0x03 << 6) | OPC_DAPPEND_DSP,
+    OPC_PREPENDW = (0x01 << 6) | OPC_DAPPEND_DSP,
+    OPC_DBALIGN  = (0x10 << 6) | OPC_DAPPEND_DSP,
+};
+#endif
+
+#if defined(TARGET_MIPS64)
 #define MASK_DINSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6)))
 enum {
     /* DSP Bit/Manipulation Sub-class */
@@ -13897,6 +13957,266 @@  static void gen_mipsdsp_bitinsn(CPUMIPSState *env, DisasContext *ctx,
     MIPS_DEBUG("%s", opn);
 }
 
+static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx,
+                                     uint32_t op1, uint32_t op2,
+                                     int ret, int v1, int v2, int check_ret)
+{
+    const char *opn = "mipsdsp add compare pick";
+    TCGv_i32 t0 = tcg_temp_new_i32();
+    TCGv t1 = tcg_temp_new();
+    TCGv v1_t = tcg_temp_new();
+    TCGv v2_t = tcg_temp_new();
+
+    if ((ret == 0) && (check_ret == 1)) {
+        /* Treat as NOP. */
+        MIPS_DEBUG("NOP");
+        return;
+    }
+
+    if (v1 == 0) {
+        tcg_gen_movi_tl(v1_t, 0);
+    } else {
+        gen_load_gpr(v1_t, v1);
+    }
+
+    if (v2 == 0) {
+        tcg_gen_movi_tl(v2_t, 0);
+    } else {
+        gen_load_gpr(v2_t, v2);
+    }
+
+    switch (op1) {
+    case OPC_APPEND_DSP:
+        switch (op2) {
+        case OPC_APPEND:
+            tcg_gen_movi_i32(t0, v2);
+            gen_helper_append(cpu_gpr[ret], cpu_gpr[ret],
+                              v1_t, t0);
+            break;
+        case OPC_PREPEND:
+            tcg_gen_movi_i32(t0, v2);
+            gen_helper_prepend(cpu_gpr[ret], v1_t,
+                               cpu_gpr[ret], t0);
+            break;
+        case OPC_BALIGN:
+            tcg_gen_movi_i32(t0, v2);
+                gen_helper_balign(cpu_gpr[ret], v1_t,
+                                  cpu_gpr[ret], t0);
+                break;
+        default:            /* Invid */
+            MIPS_INVAL("MASK APPEND");
+            generate_exception(ctx, EXCP_RI);
+            break;
+        }
+        break;
+    case OPC_CMPU_EQ_QB_DSP:
+        switch (op2) {
+        case OPC_CMPU_EQ_QB:
+            check_dsp(ctx);
+            gen_helper_cmpu_eq_qb(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMPU_LT_QB:
+            check_dsp(ctx);
+            gen_helper_cmpu_lt_qb(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMPU_LE_QB:
+            check_dsp(ctx);
+            gen_helper_cmpu_le_qb(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMPGU_EQ_QB:
+            check_dsp(ctx);
+            gen_helper_cmpgu_eq_qb(cpu_gpr[ret], v1_t, v2_t);
+            break;
+        case OPC_CMPGU_LT_QB:
+            check_dsp(ctx);
+            gen_helper_cmpgu_lt_qb(cpu_gpr[ret], v1_t, v2_t);
+            break;
+        case OPC_CMPGU_LE_QB:
+            check_dsp(ctx);
+            gen_helper_cmpgu_le_qb(cpu_gpr[ret], v1_t, v2_t);
+            break;
+        case OPC_CMPGDU_EQ_QB:
+            check_dspr2(ctx);
+            gen_helper_cmpgu_eq_qb(t1, v1_t, v2_t);
+            tcg_gen_mov_tl(cpu_gpr[ret], t1);
+            tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
+            tcg_gen_shli_tl(t1, t1, 24);
+            tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
+            break;
+        case OPC_CMPGDU_LT_QB:
+            check_dspr2(ctx);
+            gen_helper_cmpgu_lt_qb(t1, v1_t, v2_t);
+            tcg_gen_mov_tl(cpu_gpr[ret], t1);
+            tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
+            tcg_gen_shli_tl(t1, t1, 24);
+            tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
+            break;
+        case OPC_CMPGDU_LE_QB:
+            check_dspr2(ctx);
+            gen_helper_cmpgu_le_qb(t1, v1_t, v2_t);
+            tcg_gen_mov_tl(cpu_gpr[ret], t1);
+            tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF);
+            tcg_gen_shli_tl(t1, t1, 24);
+            tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1);
+            break;
+        case OPC_CMP_EQ_PH:
+            check_dsp(ctx);
+            gen_helper_cmp_eq_ph(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMP_LT_PH:
+            check_dsp(ctx);
+            gen_helper_cmp_lt_ph(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMP_LE_PH:
+            check_dsp(ctx);
+            gen_helper_cmp_le_ph(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_PICK_QB:
+            check_dsp(ctx);
+            gen_helper_pick_qb(cpu_gpr[ret], v1_t,
+                               v2_t, cpu_env);
+            break;
+        case OPC_PICK_PH:
+            check_dsp(ctx);
+            gen_helper_pick_ph(cpu_gpr[ret], v1_t,
+                               v2_t, cpu_env);
+            break;
+        case OPC_PACKRL_PH:
+            check_dsp(ctx);
+            gen_helper_packrl_ph(cpu_gpr[ret], v1_t, v2_t);
+            break;
+        }
+        break;
+#ifdef TARGET_MIPS64
+    case OPC_CMPU_EQ_OB_DSP:
+        switch (op2) {
+        case OPC_CMP_EQ_PW:
+            check_dsp(ctx);
+            gen_helper_cmp_eq_pw(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMP_LT_PW:
+            check_dsp(ctx);
+            gen_helper_cmp_lt_pw(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMP_LE_PW:
+            check_dsp(ctx);
+            gen_helper_cmp_le_pw(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMP_EQ_QH:
+            check_dsp(ctx);
+            gen_helper_cmp_eq_qh(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMP_LT_QH:
+            check_dsp(ctx);
+            gen_helper_cmp_lt_qh(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMP_LE_QH:
+            check_dsp(ctx);
+            gen_helper_cmp_le_qh(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMPGDU_EQ_OB:
+            check_dspr2(ctx);
+            gen_helper_cmpgdu_eq_ob(cpu_gpr[ret], v1_t,
+                                    v2_t, cpu_env);
+            break;
+        case OPC_CMPGDU_LT_OB:
+            check_dspr2(ctx);
+            gen_helper_cmpgdu_lt_ob(cpu_gpr[ret], v1_t,
+                                    v2_t, cpu_env);
+            break;
+        case OPC_CMPGDU_LE_OB:
+            check_dspr2(ctx);
+            gen_helper_cmpgdu_le_ob(cpu_gpr[ret], v1_t,
+                                    v2_t, cpu_env);
+            break;
+        case OPC_CMPGU_EQ_OB:
+            check_dsp(ctx);
+            gen_helper_cmpgu_eq_ob(cpu_gpr[ret], v1_t,
+                                   v2_t);
+            break;
+        case OPC_CMPGU_LT_OB:
+            check_dsp(ctx);
+            gen_helper_cmpgu_lt_ob(cpu_gpr[ret], v1_t,
+                                   v2_t);
+            break;
+        case OPC_CMPGU_LE_OB:
+            check_dsp(ctx);
+            gen_helper_cmpgu_le_ob(cpu_gpr[ret], v1_t,
+                                   v2_t);
+            break;
+        case OPC_CMPU_EQ_OB:
+            check_dsp(ctx);
+            gen_helper_cmpu_eq_ob(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMPU_LT_OB:
+            check_dsp(ctx);
+            gen_helper_cmpu_lt_ob(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_CMPU_LE_OB:
+            check_dsp(ctx);
+            gen_helper_cmpu_le_ob(v1_t, v2_t, cpu_env);
+            break;
+        case OPC_PACKRL_PW:
+            check_dsp(ctx);
+            gen_helper_packrl_pw(cpu_gpr[ret], v1_t, v2_t);
+            break;
+        case OPC_PICK_OB:
+            check_dsp(ctx);
+            gen_helper_pick_ob(cpu_gpr[ret], v1_t,
+                               v2_t, cpu_env);
+            break;
+        case OPC_PICK_PW:
+            check_dsp(ctx);
+            gen_helper_pick_pw(cpu_gpr[ret], v1_t,
+                               v2_t, cpu_env);
+            break;
+        case OPC_PICK_QH:
+            check_dsp(ctx);
+            gen_helper_pick_qh(cpu_gpr[ret], v1_t,
+                               v2_t, cpu_env);
+            break;
+        }
+        break;
+    case OPC_DAPPEND_DSP:
+        switch (op2) {
+        case OPC_DAPPEND:
+            tcg_gen_movi_i32(t0, v2);
+            gen_helper_dappend(cpu_gpr[ret], v1_t,
+                               cpu_gpr[ret], t0);
+            break;
+        case OPC_PREPENDD:
+            tcg_gen_movi_i32(t0, v2);
+            gen_helper_prependd(cpu_gpr[ret], v1_t,
+                                cpu_gpr[ret], t0);
+            break;
+        case OPC_PREPENDW:
+            tcg_gen_movi_i32(t0, v2);
+            gen_helper_prependw(cpu_gpr[ret], v1_t,
+                                cpu_gpr[ret], t0);
+            break;
+        case OPC_DBALIGN:
+            tcg_gen_movi_i32(t0, v2);
+            gen_helper_dbalign(cpu_gpr[ret], v1_t,
+                               cpu_gpr[ret], t0);
+            break;
+        default:            /* Invalid */
+            MIPS_INVAL("MASK DAPPEND");
+            generate_exception(ctx, EXCP_RI);
+            break;
+        }
+        break;
+#endif
+    }
+
+    tcg_temp_free_i32(t0);
+    tcg_temp_free(t1);
+    tcg_temp_free(v1_t);
+    tcg_temp_free(v2_t);
+
+    (void)opn; /* avoid a compiler warning */
+    MIPS_DEBUG("%s", opn);
+}
+
 /* End MIPSDSP functions. */
 
 static void decode_opc (CPUMIPSState *env, DisasContext *ctx, int *is_branch)
@@ -14388,6 +14708,25 @@  static void decode_opc (CPUMIPSState *env, DisasContext *ctx, int *is_branch)
             case OPC_PRECRQU_S_QB_PH:
                 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
                 break;
+            case OPC_CMPU_EQ_QB:
+            case OPC_CMPU_LT_QB:
+            case OPC_CMPU_LE_QB:
+            case OPC_CMP_EQ_PH:
+            case OPC_CMP_LT_PH:
+            case OPC_CMP_LE_PH:
+                gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0);
+                break;
+            case OPC_CMPGU_EQ_QB:
+            case OPC_CMPGU_LT_QB:
+            case OPC_CMPGU_LE_QB:
+            case OPC_CMPGDU_EQ_QB:
+            case OPC_CMPGDU_LT_QB:
+            case OPC_CMPGDU_LE_QB:
+            case OPC_PICK_QB:
+            case OPC_PICK_PH:
+            case OPC_PACKRL_PH:
+                gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1);
+                break;
             default:            /* Invalid */
                 MIPS_INVAL("MASK CMPU.EQ.QB");
                 generate_exception(ctx, EXCP_RI);
@@ -14450,6 +14789,11 @@  static void decode_opc (CPUMIPSState *env, DisasContext *ctx, int *is_branch)
                 break;
             }
             break;
+        case OPC_APPEND_DSP:
+            check_dspr2(ctx);
+            op2 = MASK_APPEND(ctx->opcode);
+            gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rt, rs, rd, 1);
+            break;
 #if defined(TARGET_MIPS64)
         case OPC_DEXTM ... OPC_DEXT:
         case OPC_DINSM ... OPC_DINS:
@@ -14560,12 +14904,40 @@  static void decode_opc (CPUMIPSState *env, DisasContext *ctx, int *is_branch)
             case OPC_PRECRQU_S_OB_QH:
                 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt);
                 break;
+            case OPC_CMPU_EQ_OB:
+            case OPC_CMPU_LT_OB:
+            case OPC_CMPU_LE_OB:
+            case OPC_CMP_EQ_QH:
+            case OPC_CMP_LT_QH:
+            case OPC_CMP_LE_QH:
+            case OPC_CMP_EQ_PW:
+            case OPC_CMP_LT_PW:
+            case OPC_CMP_LE_PW:
+                gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0);
+                break;
+            case OPC_CMPGDU_EQ_OB:
+            case OPC_CMPGDU_LT_OB:
+            case OPC_CMPGDU_LE_OB:
+            case OPC_CMPGU_EQ_OB:
+            case OPC_CMPGU_LT_OB:
+            case OPC_CMPGU_LE_OB:
+            case OPC_PACKRL_PW:
+            case OPC_PICK_OB:
+            case OPC_PICK_PW:
+            case OPC_PICK_QH:
+                gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1);
+                break;
             default:            /* Invalid */
                 MIPS_INVAL("MASK CMPU_EQ.OB");
                 generate_exception(ctx, EXCP_RI);
                 break;
             }
             break;
+        case OPC_DAPPEND_DSP:
+            check_dspr2(ctx);
+            op2 = MASK_DAPPEND(ctx->opcode);
+            gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rt, rs, rd, 1);
+            break;
         case OPC_DPAQ_W_QH_DSP:
             op2 = MASK_DPAQ_W_QH(ctx->opcode);
             switch (op2) {