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target-mips: add MSA I5 format instruction

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add MSA I5 format instructions

Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
This commit is contained in:
Yongbok Kim 2014-11-01 05:28:44 +00:00 committed by Leon Alrae
parent 4c7895465e
commit 80e7159184
3 changed files with 232 additions and 0 deletions
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13
target-mips/helper.h
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@ -758,3 +758,16 @@ DEF_HELPER_4(msa_bmnzi_b, void, env, i32, i32, i32)
DEF_HELPER_4(msa_bmzi_b, void, env, i32, i32, i32)
DEF_HELPER_4(msa_bseli_b, void, env, i32, i32, i32)
DEF_HELPER_5(msa_shf_df, void, env, i32, i32, i32, i32)
DEF_HELPER_5(msa_addvi_df, void, env, i32, i32, i32, s32)
DEF_HELPER_5(msa_subvi_df, void, env, i32, i32, i32, s32)
DEF_HELPER_5(msa_maxi_s_df, void, env, i32, i32, i32, s32)
DEF_HELPER_5(msa_maxi_u_df, void, env, i32, i32, i32, s32)
DEF_HELPER_5(msa_mini_s_df, void, env, i32, i32, i32, s32)
DEF_HELPER_5(msa_mini_u_df, void, env, i32, i32, i32, s32)
DEF_HELPER_5(msa_ceqi_df, void, env, i32, i32, i32, s32)
DEF_HELPER_5(msa_clti_s_df, void, env, i32, i32, i32, s32)
DEF_HELPER_5(msa_clti_u_df, void, env, i32, i32, i32, s32)
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)

142
target-mips/msa_helper.c
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@ -113,3 +113,145 @@ void helper_msa_shf_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
}
msa_move_v(pwd, pwx);
}
static inline int64_t msa_addv_df(uint32_t df, int64_t arg1, int64_t arg2)
{
return arg1 + arg2;
}
static inline int64_t msa_subv_df(uint32_t df, int64_t arg1, int64_t arg2)
{
return arg1 - arg2;
}
static inline int64_t msa_ceq_df(uint32_t df, int64_t arg1, int64_t arg2)
{
return arg1 == arg2 ? -1 : 0;
}
static inline int64_t msa_cle_s_df(uint32_t df, int64_t arg1, int64_t arg2)
{
return arg1 <= arg2 ? -1 : 0;
}
static inline int64_t msa_cle_u_df(uint32_t df, int64_t arg1, int64_t arg2)
{
uint64_t u_arg1 = UNSIGNED(arg1, df);
uint64_t u_arg2 = UNSIGNED(arg2, df);
return u_arg1 <= u_arg2 ? -1 : 0;
}
static inline int64_t msa_clt_s_df(uint32_t df, int64_t arg1, int64_t arg2)
{
return arg1 < arg2 ? -1 : 0;
}
static inline int64_t msa_clt_u_df(uint32_t df, int64_t arg1, int64_t arg2)
{
uint64_t u_arg1 = UNSIGNED(arg1, df);
uint64_t u_arg2 = UNSIGNED(arg2, df);
return u_arg1 < u_arg2 ? -1 : 0;
}
static inline int64_t msa_max_s_df(uint32_t df, int64_t arg1, int64_t arg2)
{
return arg1 > arg2 ? arg1 : arg2;
}
static inline int64_t msa_max_u_df(uint32_t df, int64_t arg1, int64_t arg2)
{
uint64_t u_arg1 = UNSIGNED(arg1, df);
uint64_t u_arg2 = UNSIGNED(arg2, df);
return u_arg1 > u_arg2 ? arg1 : arg2;
}
static inline int64_t msa_min_s_df(uint32_t df, int64_t arg1, int64_t arg2)
{
return arg1 < arg2 ? arg1 : arg2;
}
static inline int64_t msa_min_u_df(uint32_t df, int64_t arg1, int64_t arg2)
{
uint64_t u_arg1 = UNSIGNED(arg1, df);
uint64_t u_arg2 = UNSIGNED(arg2, df);
return u_arg1 < u_arg2 ? arg1 : arg2;
}
#define MSA_BINOP_IMM_DF(helper, func) \
void helper_msa_ ## helper ## _df(CPUMIPSState *env, uint32_t df, \
uint32_t wd, uint32_t ws, int32_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_IMM_DF(addvi, addv)
MSA_BINOP_IMM_DF(subvi, subv)
MSA_BINOP_IMM_DF(ceqi, ceq)
MSA_BINOP_IMM_DF(clei_s, cle_s)
MSA_BINOP_IMM_DF(clei_u, cle_u)
MSA_BINOP_IMM_DF(clti_s, clt_s)
MSA_BINOP_IMM_DF(clti_u, clt_u)
MSA_BINOP_IMM_DF(maxi_s, max_s)
MSA_BINOP_IMM_DF(maxi_u, max_u)
MSA_BINOP_IMM_DF(mini_s, min_s)
MSA_BINOP_IMM_DF(mini_u, min_u)
#undef MSA_BINOP_IMM_DF
void helper_msa_ldi_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
int32_t s10)
{
wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
uint32_t i;
switch (df) {
case DF_BYTE:
for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) {
pwd->b[i] = (int8_t)s10;
}
break;
case DF_HALF:
for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) {
pwd->h[i] = (int16_t)s10;
}
break;
case DF_WORD:
for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) {
pwd->w[i] = (int32_t)s10;
}
break;
case DF_DOUBLE:
for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) {
pwd->d[i] = (int64_t)s10;
}
break;
default:
assert(0);
}
}

77
target-mips/translate.c
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@ -17392,6 +17392,79 @@ static void gen_msa_i8(CPUMIPSState *env, DisasContext *ctx)
tcg_temp_free_i32(ti8);
}
static void gen_msa_i5(CPUMIPSState *env, DisasContext *ctx)
{
#define MASK_MSA_I5(op) (MASK_MSA_MINOR(op) | (op & (0x7 << 23)))
uint8_t df = (ctx->opcode >> 21) & 0x3;
int8_t s5 = (int8_t) sextract32(ctx->opcode, 16, 5);
uint8_t u5 = (ctx->opcode >> 16) & 0x1f;
uint8_t ws = (ctx->opcode >> 11) & 0x1f;
uint8_t wd = (ctx->opcode >> 6) & 0x1f;
TCGv_i32 tdf = tcg_const_i32(df);
TCGv_i32 twd = tcg_const_i32(wd);
TCGv_i32 tws = tcg_const_i32(ws);
TCGv_i32 timm = tcg_temp_new_i32();
tcg_gen_movi_i32(timm, u5);
switch (MASK_MSA_I5(ctx->opcode)) {
case OPC_ADDVI_df:
gen_helper_msa_addvi_df(cpu_env, tdf, twd, tws, timm);
break;
case OPC_SUBVI_df:
gen_helper_msa_subvi_df(cpu_env, tdf, twd, tws, timm);
break;
case OPC_MAXI_S_df:
tcg_gen_movi_i32(timm, s5);
gen_helper_msa_maxi_s_df(cpu_env, tdf, twd, tws, timm);
break;
case OPC_MAXI_U_df:
gen_helper_msa_maxi_u_df(cpu_env, tdf, twd, tws, timm);
break;
case OPC_MINI_S_df:
tcg_gen_movi_i32(timm, s5);
gen_helper_msa_mini_s_df(cpu_env, tdf, twd, tws, timm);
break;
case OPC_MINI_U_df:
gen_helper_msa_mini_u_df(cpu_env, tdf, twd, tws, timm);
break;
case OPC_CEQI_df:
tcg_gen_movi_i32(timm, s5);
gen_helper_msa_ceqi_df(cpu_env, tdf, twd, tws, timm);
break;
case OPC_CLTI_S_df:
tcg_gen_movi_i32(timm, s5);
gen_helper_msa_clti_s_df(cpu_env, tdf, twd, tws, timm);
break;
case OPC_CLTI_U_df:
gen_helper_msa_clti_u_df(cpu_env, tdf, twd, tws, timm);
break;
case OPC_CLEI_S_df:
tcg_gen_movi_i32(timm, s5);
gen_helper_msa_clei_s_df(cpu_env, tdf, twd, tws, timm);
break;
case OPC_CLEI_U_df:
gen_helper_msa_clei_u_df(cpu_env, tdf, twd, tws, timm);
break;
case OPC_LDI_df:
{
int32_t s10 = sextract32(ctx->opcode, 11, 10);
tcg_gen_movi_i32(timm, s10);
gen_helper_msa_ldi_df(cpu_env, tdf, twd, timm);
}
break;
default:
MIPS_INVAL("MSA instruction");
generate_exception(ctx, EXCP_RI);
break;
}
tcg_temp_free_i32(tdf);
tcg_temp_free_i32(twd);
tcg_temp_free_i32(tws);
tcg_temp_free_i32(timm);
}
static void gen_msa(CPUMIPSState *env, DisasContext *ctx)
{
uint32_t opcode = ctx->opcode;
@ -17404,6 +17477,10 @@ static void gen_msa(CPUMIPSState *env, DisasContext *ctx)
case OPC_MSA_I8_02:
gen_msa_i8(env, ctx);
break;
case OPC_MSA_I5_06:
case OPC_MSA_I5_07:
gen_msa_i5(env, ctx);
break;
default:
MIPS_INVAL("MSA instruction");
generate_exception(ctx, EXCP_RI);