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[Qemu-devel] [PATCH v3 11/19] target-mips: add MSA BIT format instructio
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From: |
Yongbok Kim |
|
Subject: |
[Qemu-devel] [PATCH v3 11/19] target-mips: add MSA BIT format instructions |
|
Date: |
Sat, 1 Nov 2014 05:28:45 +0000 |
add MSA BIT format instructions
Reviewed-by: Leon Alrae <address@hidden>
Signed-off-by: Yongbok Kim <address@hidden>
---
target-mips/helper.h | 13 +++
target-mips/msa_helper.c | 197 ++++++++++++++++++++++++++++++++++++++++++++++
target-mips/translate.c | 88 ++++++++++++++++++++
3 files changed, 298 insertions(+), 0 deletions(-)
diff --git a/target-mips/helper.h b/target-mips/helper.h
index 072d911..ef0ea6d 100644
--- a/target-mips/helper.h
+++ b/target-mips/helper.h
@@ -772,3 +772,16 @@ DEF_HELPER_5(msa_clei_s_df, void, env, i32, i32, i32, s32)
DEF_HELPER_5(msa_clei_u_df, void, env, i32, i32, i32, s32)
DEF_HELPER_4(msa_ldi_df, void, env, i32, i32, s32)
+DEF_HELPER_5(msa_slli_df, void, env, i32, i32, i32, i32)
+DEF_HELPER_5(msa_srai_df, void, env, i32, i32, i32, i32)
+DEF_HELPER_5(msa_srli_df, void, env, i32, i32, i32, i32)
+DEF_HELPER_5(msa_bclri_df, void, env, i32, i32, i32, i32)
+DEF_HELPER_5(msa_bseti_df, void, env, i32, i32, i32, i32)
+DEF_HELPER_5(msa_bnegi_df, void, env, i32, i32, i32, i32)
+DEF_HELPER_5(msa_binsli_df, void, env, i32, i32, i32, i32)
+DEF_HELPER_5(msa_binsri_df, void, env, i32, i32, i32, i32)
+DEF_HELPER_5(msa_sat_s_df, void, env, i32, i32, i32, i32)
+DEF_HELPER_5(msa_sat_u_df, void, env, i32, i32, i32, i32)
+DEF_HELPER_5(msa_srari_df, void, env, i32, i32, i32, i32)
+DEF_HELPER_5(msa_srlri_df, void, env, i32, i32, i32, i32)
+
diff --git a/target-mips/msa_helper.c b/target-mips/msa_helper.c
index 7b577e7..e89027a 100644
--- a/target-mips/msa_helper.c
+++ b/target-mips/msa_helper.c
@@ -255,3 +255,200 @@ void helper_msa_ldi_df(CPUMIPSState *env, uint32_t df,
uint32_t wd,
assert(0);
}
}
+
+/* Data format bit position and unsigned values */
+#define BIT_POSITION(x, df) ((uint64_t)(x) % DF_BITS(df))
+
+static inline int64_t msa_sll_df(uint32_t df, int64_t arg1, int64_t arg2)
+{
+ int32_t b_arg2 = BIT_POSITION(arg2, df);
+ return arg1 << b_arg2;
+}
+
+static inline int64_t msa_sra_df(uint32_t df, int64_t arg1, int64_t arg2)
+{
+ int32_t b_arg2 = BIT_POSITION(arg2, df);
+ return arg1 >> b_arg2;
+}
+
+static inline int64_t msa_srl_df(uint32_t df, int64_t arg1, int64_t arg2)
+{
+ uint64_t u_arg1 = UNSIGNED(arg1, df);
+ int32_t b_arg2 = BIT_POSITION(arg2, df);
+ return u_arg1 >> b_arg2;
+}
+
+static inline int64_t msa_bclr_df(uint32_t df, int64_t arg1, int64_t arg2)
+{
+ int32_t b_arg2 = BIT_POSITION(arg2, df);
+ return UNSIGNED(arg1 & (~(1LL << b_arg2)), df);
+}
+
+static inline int64_t msa_bset_df(uint32_t df, int64_t arg1,
+ int64_t arg2)
+{
+ int32_t b_arg2 = BIT_POSITION(arg2, df);
+ return UNSIGNED(arg1 | (1LL << b_arg2), df);
+}
+
+static inline int64_t msa_bneg_df(uint32_t df, int64_t arg1, int64_t arg2)
+{
+ int32_t b_arg2 = BIT_POSITION(arg2, df);
+ return UNSIGNED(arg1 ^ (1LL << b_arg2), df);
+}
+
+static inline int64_t msa_binsl_df(uint32_t df, int64_t dest, int64_t arg1,
+ int64_t arg2)
+{
+ uint64_t u_arg1 = UNSIGNED(arg1, df);
+ uint64_t u_dest = UNSIGNED(dest, df);
+ int32_t sh_d = BIT_POSITION(arg2, df) + 1;
+ int32_t sh_a = DF_BITS(df) - sh_d;
+ if (sh_d == DF_BITS(df)) {
+ return u_arg1;
+ } else {
+ return UNSIGNED(UNSIGNED(u_dest << sh_d, df) >> sh_d, df) |
+ UNSIGNED(UNSIGNED(u_arg1 >> sh_a, df) << sh_a, df);
+ }
+}
+
+static inline int64_t msa_binsr_df(uint32_t df, int64_t dest, int64_t arg1,
+ int64_t arg2)
+{
+ uint64_t u_arg1 = UNSIGNED(arg1, df);
+ uint64_t u_dest = UNSIGNED(dest, df);
+ int32_t sh_d = BIT_POSITION(arg2, df) + 1;
+ int32_t sh_a = DF_BITS(df) - sh_d;
+ if (sh_d == DF_BITS(df)) {
+ return u_arg1;
+ } else {
+ return UNSIGNED(UNSIGNED(u_dest >> sh_d, df) << sh_d, df) |
+ UNSIGNED(UNSIGNED(u_arg1 << sh_a, df) >> sh_a, df);
+ }
+}
+
+static inline int64_t msa_sat_s_df(uint32_t df, int64_t arg, uint32_t m)
+{
+ return arg < M_MIN_INT(m+1) ? M_MIN_INT(m+1) :
+ arg > M_MAX_INT(m+1) ? M_MAX_INT(m+1) :
+ arg;
+}
+
+static inline int64_t msa_sat_u_df(uint32_t df, int64_t arg, uint32_t m)
+{
+ uint64_t u_arg = UNSIGNED(arg, df);
+ return u_arg < M_MAX_UINT(m+1) ? u_arg :
+ M_MAX_UINT(m+1);
+}
+
+static inline int64_t msa_srar_df(uint32_t df, int64_t arg1, int64_t arg2)
+{
+ int32_t b_arg2 = BIT_POSITION(arg2, df);
+ if (b_arg2 == 0) {
+ return arg1;
+ } else {
+ int64_t r_bit = (arg1 >> (b_arg2 - 1)) & 1;
+ return (arg1 >> b_arg2) + r_bit;
+ }
+}
+
+static inline int64_t msa_srlr_df(uint32_t df, int64_t arg1, int64_t arg2)
+{
+ uint64_t u_arg1 = UNSIGNED(arg1, df);
+ int32_t b_arg2 = BIT_POSITION(arg2, df);
+ if (b_arg2 == 0) {
+ return u_arg1;
+ } else {
+ uint64_t r_bit = (u_arg1 >> (b_arg2 - 1)) & 1;
+ return (u_arg1 >> b_arg2) + r_bit;
+ }
+}
+
+#define MSA_BINOP_IMMU_DF(helper, func) \
+void helper_msa_ ## helper ## _df(CPUMIPSState *env, uint32_t df, uint32_t wd,
\
+ uint32_t ws, uint32_t u5) \
+{ \
+ wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \
+ wr_t *pws = &(env->active_fpu.fpr[ws].wr); \
+ uint32_t i; \
+ \
+ switch (df) { \
+ case DF_BYTE: \
+ for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) { \
+ pwd->b[i] = msa_ ## func ## _df(df, pws->b[i], u5); \
+ } \
+ break; \
+ case DF_HALF: \
+ for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) { \
+ pwd->h[i] = msa_ ## func ## _df(df, pws->h[i], u5); \
+ } \
+ break; \
+ case DF_WORD: \
+ for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { \
+ pwd->w[i] = msa_ ## func ## _df(df, pws->w[i], u5); \
+ } \
+ break; \
+ case DF_DOUBLE: \
+ for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { \
+ pwd->d[i] = msa_ ## func ## _df(df, pws->d[i], u5); \
+ } \
+ break; \
+ default: \
+ assert(0); \
+ } \
+}
+
+MSA_BINOP_IMMU_DF(slli, sll)
+MSA_BINOP_IMMU_DF(srai, sra)
+MSA_BINOP_IMMU_DF(srli, srl)
+MSA_BINOP_IMMU_DF(bclri, bclr)
+MSA_BINOP_IMMU_DF(bseti, bset)
+MSA_BINOP_IMMU_DF(bnegi, bneg)
+MSA_BINOP_IMMU_DF(sat_s, sat_s)
+MSA_BINOP_IMMU_DF(sat_u, sat_u)
+MSA_BINOP_IMMU_DF(srari, srar)
+MSA_BINOP_IMMU_DF(srlri, srlr)
+#undef MSA_BINOP_IMMU_DF
+
+#define MSA_TEROP_IMMU_DF(helper, func) \
+void helper_msa_ ## helper ## _df(CPUMIPSState *env, uint32_t df, \
+ uint32_t wd, uint32_t ws, uint32_t u5) \
+{ \
+ wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \
+ wr_t *pws = &(env->active_fpu.fpr[ws].wr); \
+ uint32_t i; \
+ \
+ switch (df) { \
+ case DF_BYTE: \
+ for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) { \
+ pwd->b[i] = msa_ ## func ## _df(df, pwd->b[i], pws->b[i], \
+ u5); \
+ } \
+ break; \
+ case DF_HALF: \
+ for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) { \
+ pwd->h[i] = msa_ ## func ## _df(df, pwd->h[i], pws->h[i], \
+ u5); \
+ } \
+ break; \
+ case DF_WORD: \
+ for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { \
+ pwd->w[i] = msa_ ## func ## _df(df, pwd->w[i], pws->w[i], \
+ u5); \
+ } \
+ break; \
+ case DF_DOUBLE: \
+ for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { \
+ pwd->d[i] = msa_ ## func ## _df(df, pwd->d[i], pws->d[i], \
+ u5); \
+ } \
+ break; \
+ default: \
+ assert(0); \
+ } \
+}
+
+MSA_TEROP_IMMU_DF(binsli, binsl)
+MSA_TEROP_IMMU_DF(binsri, binsr)
+#undef MSA_TEROP_IMMU_DF
+
diff --git a/target-mips/translate.c b/target-mips/translate.c
index e75b864..1f3bd72 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -17465,6 +17465,90 @@ static void gen_msa_i5(CPUMIPSState *env, DisasContext
*ctx)
tcg_temp_free_i32(timm);
}
+static void gen_msa_bit(CPUMIPSState *env, DisasContext *ctx)
+{
+#define MASK_MSA_BIT(op) (MASK_MSA_MINOR(op) | (op & (0x7 << 23)))
+ uint8_t dfm = (ctx->opcode >> 16) & 0x7f;
+ uint32_t df = 0, m = 0;
+ uint8_t ws = (ctx->opcode >> 11) & 0x1f;
+ uint8_t wd = (ctx->opcode >> 6) & 0x1f;
+
+ TCGv_i32 tdf;
+ TCGv_i32 tm;
+ TCGv_i32 twd;
+ TCGv_i32 tws;
+
+ if ((dfm & 0x40) == 0x00) {
+ m = dfm & 0x3f;
+ df = DF_DOUBLE;
+ } else if ((dfm & 0x60) == 0x40) {
+ m = dfm & 0x1f;
+ df = DF_WORD;
+ } else if ((dfm & 0x70) == 0x60) {
+ m = dfm & 0x0f;
+ df = DF_HALF;
+ } else if ((dfm & 0x78) == 0x70) {
+ m = dfm & 0x7;
+ df = DF_BYTE;
+ } else {
+ generate_exception(ctx, EXCP_RI);
+ return;
+ }
+
+ tdf = tcg_const_i32(df);
+ tm = tcg_const_i32(m);
+ twd = tcg_const_i32(wd);
+ tws = tcg_const_i32(ws);
+
+ switch (MASK_MSA_BIT(ctx->opcode)) {
+ case OPC_SLLI_df:
+ gen_helper_msa_slli_df(cpu_env, tdf, twd, tws, tm);
+ break;
+ case OPC_SRAI_df:
+ gen_helper_msa_srai_df(cpu_env, tdf, twd, tws, tm);
+ break;
+ case OPC_SRLI_df:
+ gen_helper_msa_srli_df(cpu_env, tdf, twd, tws, tm);
+ break;
+ case OPC_BCLRI_df:
+ gen_helper_msa_bclri_df(cpu_env, tdf, twd, tws, tm);
+ break;
+ case OPC_BSETI_df:
+ gen_helper_msa_bseti_df(cpu_env, tdf, twd, tws, tm);
+ break;
+ case OPC_BNEGI_df:
+ gen_helper_msa_bnegi_df(cpu_env, tdf, twd, tws, tm);
+ break;
+ case OPC_BINSLI_df:
+ gen_helper_msa_binsli_df(cpu_env, tdf, twd, tws, tm);
+ break;
+ case OPC_BINSRI_df:
+ gen_helper_msa_binsri_df(cpu_env, tdf, twd, tws, tm);
+ break;
+ case OPC_SAT_S_df:
+ gen_helper_msa_sat_s_df(cpu_env, tdf, twd, tws, tm);
+ break;
+ case OPC_SAT_U_df:
+ gen_helper_msa_sat_u_df(cpu_env, tdf, twd, tws, tm);
+ break;
+ case OPC_SRARI_df:
+ gen_helper_msa_srari_df(cpu_env, tdf, twd, tws, tm);
+ break;
+ case OPC_SRLRI_df:
+ gen_helper_msa_srlri_df(cpu_env, tdf, twd, tws, tm);
+ break;
+ default:
+ MIPS_INVAL("MSA instruction");
+ generate_exception(ctx, EXCP_RI);
+ break;
+ }
+
+ tcg_temp_free_i32(tdf);
+ tcg_temp_free_i32(tm);
+ tcg_temp_free_i32(twd);
+ tcg_temp_free_i32(tws);
+}
+
static void gen_msa(CPUMIPSState *env, DisasContext *ctx)
{
uint32_t opcode = ctx->opcode;
@@ -17481,6 +17565,10 @@ static void gen_msa(CPUMIPSState *env, DisasContext
*ctx)
case OPC_MSA_I5_07:
gen_msa_i5(env, ctx);
break;
+ case OPC_MSA_BIT_09:
+ case OPC_MSA_BIT_0A:
+ gen_msa_bit(env, ctx);
+ break;
default:
MIPS_INVAL("MSA instruction");
generate_exception(ctx, EXCP_RI);
--
1.7.4
- [Qemu-devel] [PATCH v3 02/19] target-mips: add MSA exceptions, (continued)
- [Qemu-devel] [PATCH v3 02/19] target-mips: add MSA exceptions, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 03/19] target-mips: remove duplicated mips/ieee mapping function, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 04/19] target-mips: stop translation after ctc1, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 05/19] target-mips: add MSA opcode enum, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 06/19] target-mips: add msa_reset(), global msa register, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 07/19] target-mips: add msa_helper.c, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 08/19] target-mips: add MSA branch instructions, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 09/19] target-mips: add MSA I8 format instructions, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 10/19] target-mips: add MSA I5 format instruction, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 11/19] target-mips: add MSA BIT format instructions,
Yongbok Kim <=
- [Qemu-devel] [PATCH v3 12/19] target-mips: add MSA 3R format instructions, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 13/19] target-mips: add MSA ELM format instructions, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 14/19] target-mips: add MSA 3RF format instructions, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 15/19] target-mips: add MSA VEC/2R format instructions, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 16/19] target-mips: add MSA 2RF format instructions, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 17/19] target-mips: add MSA MI10 format instructions, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 18/19] disas/mips.c: disassemble MSA instructions, Yongbok Kim, 2014/11/01
- [Qemu-devel] [PATCH v3 19/19] target-mips: add MSA support to mips32r5-generic, Yongbok Kim, 2014/11/01
- Re: [Qemu-devel] [PATCH v3 00/19] target-mips: add MSA module, Leon Alrae, 2014/11/02