From: Jia Liu <proljc@gmail.com>
To: qemu-devel@nongnu.org
Cc: aurelien@aurel32.net
Subject: [Qemu-devel] [PATCH v9 10/14] target-mips-ase-dsp: Add compare-pick instructions
Date: Thu, 27 Sep 2012 21:24:47 +0800 [thread overview]
Message-ID: <1348752291-6041-11-git-send-email-proljc@gmail.com> (raw)
In-Reply-To: <1348752291-6041-1-git-send-email-proljc@gmail.com>
Add MIPS ASE DSP Compare-Pick instructions.
Signed-off-by: Jia Liu <proljc@gmail.com>
---
target-mips/dsp_helper.c | 235 ++++++++++++++++++++++++++++++
target-mips/helper.h | 52 +++++++
target-mips/translate.c | 356 ++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 643 insertions(+)
diff --git a/target-mips/dsp_helper.c b/target-mips/dsp_helper.c
index 7516242..dabece4 100644
--- a/target-mips/dsp_helper.c
+++ b/target-mips/dsp_helper.c
@@ -3241,6 +3241,241 @@ 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[split_num]; \
+ uint32_t rt_t[split_num]; \
+ uint8_t cc[split_num]; \
+ uint32_t temp = 0; \
+ int i; \
+ \
+ for (i = 0; i < split_num; i++) { \
+ rs_t[i] = (rs >> (bit_size * i)) & filter; \
+ rt_t[i] = (rt >> (bit_size * i)) & filter; \
+ cc[i] = mipsdsp_##func(rs_t[i], rt_t[i]); \
+ temp |= cc[i] << 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[split_num], rt_t[split_num]; \
+ int32_t flag = 0; \
+ int32_t cc[split_num]; \
+ int i; \
+ \
+ for (i = 0; i < split_num; i++) { \
+ rs_t[i] = (rs >> (bit_size * i)) & filter; \
+ rt_t[i] = (rt >> (bit_size * i)) & filter; \
+ \
+ cc[i] = mipsdsp_##func(rs_t[i], rt_t[i]); \
+ flag |= cc[i] << 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[8], rt_t[8]; \
+ uint32_t cond; \
+ \
+ cond = 0; \
+ \
+ for (i = 0; i < 8; i++) { \
+ rs_t[i] = (rs >> (8 * i)) & MIPSDSP_Q0; \
+ rt_t[i] = (rt >> (8 * i)) & MIPSDSP_Q0; \
+ \
+ if (mipsdsp_cmp_##name(rs_t[i], rt_t[i])) { \
+ 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[split_num]; \
+ uint32_t rt_t[split_num]; \
+ uint32_t cc[split_num]; \
+ target_ulong dsp; \
+ int i; \
+ target_ulong result = 0; \
+ \
+ dsp = env->active_tc.DSPControl; \
+ for (i = 0; i < split_num; i++) { \
+ rs_t[i] = (rs >> (bit_size * i)) & filter; \
+ rt_t[i] = (rt >> (bit_size * i)) & filter; \
+ cc[i] = (dsp >> (24 + i)) & 0x01; \
+ cc[i] = cc[i] == 1 ? rs_t[i] : rt_t[i]; \
+ \
+ result |= (target_ulong)cc[i] << (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 d5c2419..7102074 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 +13957,250 @@ 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();
+
+ if ((ret == 0) && (check_ret == 1)) {
+ /* Treat as NOP. */
+ MIPS_DEBUG("NOP");
+ return;
+ }
+
+ 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],
+ cpu_gpr[v1], t0);
+ break;
+ case OPC_PREPEND:
+ tcg_gen_movi_i32(t0, v2);
+ gen_helper_prepend(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[ret], t0);
+ break;
+ case OPC_BALIGN:
+ tcg_gen_movi_i32(t0, v2);
+ gen_helper_balign(cpu_gpr[ret], cpu_gpr[v1],
+ 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(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMPU_LT_QB:
+ check_dsp(ctx);
+ gen_helper_cmpu_lt_qb(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMPU_LE_QB:
+ check_dsp(ctx);
+ gen_helper_cmpu_le_qb(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMPGU_EQ_QB:
+ check_dsp(ctx);
+ gen_helper_cmpgu_eq_qb(cpu_gpr[ret], cpu_gpr[v1], cpu_gpr[v2]);
+ break;
+ case OPC_CMPGU_LT_QB:
+ check_dsp(ctx);
+ gen_helper_cmpgu_lt_qb(cpu_gpr[ret], cpu_gpr[v1], cpu_gpr[v2]);
+ break;
+ case OPC_CMPGU_LE_QB:
+ check_dsp(ctx);
+ gen_helper_cmpgu_le_qb(cpu_gpr[ret], cpu_gpr[v1], cpu_gpr[v2]);
+ break;
+ case OPC_CMPGDU_EQ_QB:
+ check_dspr2(ctx);
+ gen_helper_cmpgu_eq_qb(t1, cpu_gpr[v1], cpu_gpr[v2]);
+ 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, cpu_gpr[v1], cpu_gpr[v2]);
+ 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, cpu_gpr[v1], cpu_gpr[v2]);
+ 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(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMP_LT_PH:
+ check_dsp(ctx);
+ gen_helper_cmp_lt_ph(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMP_LE_PH:
+ check_dsp(ctx);
+ gen_helper_cmp_le_ph(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_PICK_QB:
+ check_dsp(ctx);
+ gen_helper_pick_qb(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_PICK_PH:
+ check_dsp(ctx);
+ gen_helper_pick_ph(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_PACKRL_PH:
+ check_dsp(ctx);
+ gen_helper_packrl_ph(cpu_gpr[ret], cpu_gpr[v1], cpu_gpr[v2]);
+ 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(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMP_LT_PW:
+ check_dsp(ctx);
+ gen_helper_cmp_lt_pw(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMP_LE_PW:
+ check_dsp(ctx);
+ gen_helper_cmp_le_pw(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMP_EQ_QH:
+ check_dsp(ctx);
+ gen_helper_cmp_eq_qh(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMP_LT_QH:
+ check_dsp(ctx);
+ gen_helper_cmp_lt_qh(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMP_LE_QH:
+ check_dsp(ctx);
+ gen_helper_cmp_le_qh(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMPGDU_EQ_OB:
+ check_dspr2(ctx);
+ gen_helper_cmpgdu_eq_ob(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMPGDU_LT_OB:
+ check_dspr2(ctx);
+ gen_helper_cmpgdu_lt_ob(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMPGDU_LE_OB:
+ check_dspr2(ctx);
+ gen_helper_cmpgdu_le_ob(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMPGU_EQ_OB:
+ check_dsp(ctx);
+ gen_helper_cmpgu_eq_ob(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[v2]);
+ break;
+ case OPC_CMPGU_LT_OB:
+ check_dsp(ctx);
+ gen_helper_cmpgu_lt_ob(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[v2]);
+ break;
+ case OPC_CMPGU_LE_OB:
+ check_dsp(ctx);
+ gen_helper_cmpgu_le_ob(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[v2]);
+ break;
+ case OPC_CMPU_EQ_OB:
+ check_dsp(ctx);
+ gen_helper_cmpu_eq_ob(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMPU_LT_OB:
+ check_dsp(ctx);
+ gen_helper_cmpu_lt_ob(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_CMPU_LE_OB:
+ check_dsp(ctx);
+ gen_helper_cmpu_le_ob(cpu_gpr[v1], cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_PACKRL_PW:
+ check_dsp(ctx);
+ gen_helper_packrl_pw(cpu_gpr[ret], cpu_gpr[v1], cpu_gpr[v2]);
+ break;
+ case OPC_PICK_OB:
+ check_dsp(ctx);
+ gen_helper_pick_ob(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_PICK_PW:
+ check_dsp(ctx);
+ gen_helper_pick_pw(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[v2], cpu_env);
+ break;
+ case OPC_PICK_QH:
+ check_dsp(ctx);
+ gen_helper_pick_qh(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[v2], 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], cpu_gpr[v1],
+ cpu_gpr[ret], t0);
+ break;
+ case OPC_PREPENDD:
+ tcg_gen_movi_i32(t0, v2);
+ gen_helper_prependd(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[ret], t0);
+ break;
+ case OPC_PREPENDW:
+ tcg_gen_movi_i32(t0, v2);
+ gen_helper_prependw(cpu_gpr[ret], cpu_gpr[v1],
+ cpu_gpr[ret], t0);
+ break;
+ case OPC_DBALIGN:
+ tcg_gen_movi_i32(t0, v2);
+ gen_helper_dbalign(cpu_gpr[ret], cpu_gpr[v1],
+ 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);
+
+ (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 +14692,25 @@ 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 +14773,11 @@ 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 +14888,40 @@ 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) {
--
1.7.10.2 (Apple Git-33)
next prev parent reply other threads:[~2012-09-27 13:26 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-27 13:24 [Qemu-devel] [PATCH v9 00/14] QEMU MIPS ASE DSP support Jia Liu
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 01/14] target-mips-ase-dsp: Add internal funtions Jia Liu
2012-10-06 14:51 ` Aurelien Jarno
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 02/14] target-mips-ase-dsp: Add dsp resources access check Jia Liu
2012-10-06 14:51 ` Aurelien Jarno
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 03/14] target-mips-ase-dsp: Use correct acc value to index cpu_HI/cpu_LO rather than using a fix number Jia Liu
2012-10-06 14:51 ` Aurelien Jarno
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 04/14] target-mips-ase-dsp: Add branch instructions Jia Liu
2012-10-06 14:51 ` Aurelien Jarno
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 05/14] target-mips-ase-dsp: Add load instructions Jia Liu
2012-10-06 14:51 ` Aurelien Jarno
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 06/14] target-mips-ase-dsp: Add arithmetic instructions Jia Liu
2012-10-06 14:51 ` Aurelien Jarno
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 07/14] target-mips-ase-dsp: Add GPR-based shift instructions Jia Liu
2012-10-06 14:51 ` Aurelien Jarno
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 08/14] target-mips-ase-dsp: Add multiply instructions Jia Liu
2012-10-06 14:51 ` Aurelien Jarno
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 09/14] target-mips-ase-dsp: Add bit/manipulation instructions Jia Liu
2012-10-06 14:51 ` Aurelien Jarno
2012-09-27 13:24 ` Jia Liu [this message]
2012-10-06 14:51 ` [Qemu-devel] [PATCH v9 10/14] target-mips-ase-dsp: Add compare-pick instructions Aurelien Jarno
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 11/14] target-mips-ase-dsp: Add DSP accumulator instructions Jia Liu
2012-10-06 14:51 ` Aurelien Jarno
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 12/14] target-mips-ase-dsp: Add MIPS DSP processors Jia Liu
2012-10-06 14:51 ` Aurelien Jarno
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 13/14] target-mips-ase-dsp: Add testcases Jia Liu
2012-10-06 14:51 ` Aurelien Jarno
2012-09-27 13:24 ` [Qemu-devel] [PATCH v9 14/14] target-mips-ase-dsp: Change TODO file Jia Liu
2012-10-06 14:52 ` Aurelien Jarno
2012-10-06 2:33 ` [Qemu-devel] [PATCH v9 00/14] QEMU MIPS ASE DSP support Jia Liu
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