diff options
Diffstat (limited to 'target/mips/msa_helper.c')
| -rw-r--r-- | target/mips/msa_helper.c | 191 |
1 files changed, 133 insertions, 58 deletions
diff --git a/target/mips/msa_helper.c b/target/mips/msa_helper.c index c74e3cdc65..ee1b1fa5f5 100644 --- a/target/mips/msa_helper.c +++ b/target/mips/msa_helper.c @@ -641,14 +641,15 @@ static inline int64_t msa_div_s_df(uint32_t df, int64_t arg1, int64_t arg2) if (arg1 == DF_MIN_INT(df) && arg2 == -1) { return DF_MIN_INT(df); } - return arg2 ? arg1 / arg2 : 0; + return arg2 ? arg1 / arg2 + : arg1 >= 0 ? -1 : 1; } static inline int64_t msa_div_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_arg2 ? u_arg1 / u_arg2 : 0; + return arg2 ? u_arg1 / u_arg2 : -1; } static inline int64_t msa_mod_s_df(uint32_t df, int64_t arg1, int64_t arg2) @@ -656,14 +657,14 @@ static inline int64_t msa_mod_s_df(uint32_t df, int64_t arg1, int64_t arg2) if (arg1 == DF_MIN_INT(df) && arg2 == -1) { return 0; } - return arg2 ? arg1 % arg2 : 0; + return arg2 ? arg1 % arg2 : arg1; } static inline int64_t msa_mod_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_arg2 ? u_arg1 % u_arg2 : 0; + return u_arg2 ? u_arg1 % u_arg2 : u_arg1; } #define SIGNED_EVEN(a, df) \ @@ -1248,78 +1249,152 @@ void helper_msa_splati_df(CPUMIPSState *env, uint32_t df, uint32_t wd, msa_splat_df(df, pwd, pws, n); } -void helper_msa_copy_s_df(CPUMIPSState *env, uint32_t df, uint32_t rd, - uint32_t ws, uint32_t n) +void helper_msa_copy_s_b(CPUMIPSState *env, uint32_t rd, + uint32_t ws, uint32_t n) { - n %= DF_ELEMENTS(df); + n %= 16; +#if defined(HOST_WORDS_BIGENDIAN) + if (n < 8) { + n = 8 - n - 1; + } else { + n = 24 - n - 1; + } +#endif + env->active_tc.gpr[rd] = (int8_t)env->active_fpu.fpr[ws].wr.b[n]; +} - switch (df) { - case DF_BYTE: - env->active_tc.gpr[rd] = (int8_t)env->active_fpu.fpr[ws].wr.b[n]; - break; - case DF_HALF: - env->active_tc.gpr[rd] = (int16_t)env->active_fpu.fpr[ws].wr.h[n]; - break; - case DF_WORD: - env->active_tc.gpr[rd] = (int32_t)env->active_fpu.fpr[ws].wr.w[n]; - break; -#ifdef TARGET_MIPS64 - case DF_DOUBLE: - env->active_tc.gpr[rd] = (int64_t)env->active_fpu.fpr[ws].wr.d[n]; - break; +void helper_msa_copy_s_h(CPUMIPSState *env, uint32_t rd, + uint32_t ws, uint32_t n) +{ + n %= 8; +#if defined(HOST_WORDS_BIGENDIAN) + if (n < 4) { + n = 4 - n - 1; + } else { + n = 12 - n - 1; + } #endif - default: - assert(0); + env->active_tc.gpr[rd] = (int16_t)env->active_fpu.fpr[ws].wr.h[n]; +} + +void helper_msa_copy_s_w(CPUMIPSState *env, uint32_t rd, + uint32_t ws, uint32_t n) +{ + n %= 4; +#if defined(HOST_WORDS_BIGENDIAN) + if (n < 2) { + n = 2 - n - 1; + } else { + n = 6 - n - 1; } +#endif + env->active_tc.gpr[rd] = (int32_t)env->active_fpu.fpr[ws].wr.w[n]; } -void helper_msa_copy_u_df(CPUMIPSState *env, uint32_t df, uint32_t rd, - uint32_t ws, uint32_t n) +void helper_msa_copy_s_d(CPUMIPSState *env, uint32_t rd, + uint32_t ws, uint32_t n) { - n %= DF_ELEMENTS(df); + n %= 2; + env->active_tc.gpr[rd] = (int64_t)env->active_fpu.fpr[ws].wr.d[n]; +} - switch (df) { - case DF_BYTE: - env->active_tc.gpr[rd] = (uint8_t)env->active_fpu.fpr[ws].wr.b[n]; - break; - case DF_HALF: - env->active_tc.gpr[rd] = (uint16_t)env->active_fpu.fpr[ws].wr.h[n]; - break; - case DF_WORD: - env->active_tc.gpr[rd] = (uint32_t)env->active_fpu.fpr[ws].wr.w[n]; - break; -#ifdef TARGET_MIPS64 - case DF_DOUBLE: - env->active_tc.gpr[rd] = (uint64_t)env->active_fpu.fpr[ws].wr.d[n]; - break; +void helper_msa_copy_u_b(CPUMIPSState *env, uint32_t rd, + uint32_t ws, uint32_t n) +{ + n %= 16; +#if defined(HOST_WORDS_BIGENDIAN) + if (n < 8) { + n = 8 - n - 1; + } else { + n = 24 - n - 1; + } #endif - default: - assert(0); + env->active_tc.gpr[rd] = (uint8_t)env->active_fpu.fpr[ws].wr.b[n]; +} + +void helper_msa_copy_u_h(CPUMIPSState *env, uint32_t rd, + uint32_t ws, uint32_t n) +{ + n %= 8; +#if defined(HOST_WORDS_BIGENDIAN) + if (n < 4) { + n = 4 - n - 1; + } else { + n = 12 - n - 1; + } +#endif + env->active_tc.gpr[rd] = (uint16_t)env->active_fpu.fpr[ws].wr.h[n]; +} + +void helper_msa_copy_u_w(CPUMIPSState *env, uint32_t rd, + uint32_t ws, uint32_t n) +{ + n %= 4; +#if defined(HOST_WORDS_BIGENDIAN) + if (n < 2) { + n = 2 - n - 1; + } else { + n = 6 - n - 1; } +#endif + env->active_tc.gpr[rd] = (uint32_t)env->active_fpu.fpr[ws].wr.w[n]; } -void helper_msa_insert_df(CPUMIPSState *env, uint32_t df, uint32_t wd, +void helper_msa_insert_b(CPUMIPSState *env, uint32_t wd, uint32_t rs_num, uint32_t n) { wr_t *pwd = &(env->active_fpu.fpr[wd].wr); target_ulong rs = env->active_tc.gpr[rs_num]; + n %= 16; +#if defined(HOST_WORDS_BIGENDIAN) + if (n < 8) { + n = 8 - n - 1; + } else { + n = 24 - n - 1; + } +#endif + pwd->b[n] = (int8_t)rs; +} - switch (df) { - case DF_BYTE: - pwd->b[n] = (int8_t)rs; - break; - case DF_HALF: - pwd->h[n] = (int16_t)rs; - break; - case DF_WORD: - pwd->w[n] = (int32_t)rs; - break; - case DF_DOUBLE: - pwd->d[n] = (int64_t)rs; - break; - default: - assert(0); +void helper_msa_insert_h(CPUMIPSState *env, uint32_t wd, + uint32_t rs_num, uint32_t n) +{ + wr_t *pwd = &(env->active_fpu.fpr[wd].wr); + target_ulong rs = env->active_tc.gpr[rs_num]; + n %= 8; +#if defined(HOST_WORDS_BIGENDIAN) + if (n < 4) { + n = 4 - n - 1; + } else { + n = 12 - n - 1; } +#endif + pwd->h[n] = (int16_t)rs; +} + +void helper_msa_insert_w(CPUMIPSState *env, uint32_t wd, + uint32_t rs_num, uint32_t n) +{ + wr_t *pwd = &(env->active_fpu.fpr[wd].wr); + target_ulong rs = env->active_tc.gpr[rs_num]; + n %= 4; +#if defined(HOST_WORDS_BIGENDIAN) + if (n < 2) { + n = 2 - n - 1; + } else { + n = 6 - n - 1; + } +#endif + pwd->w[n] = (int32_t)rs; +} + +void helper_msa_insert_d(CPUMIPSState *env, uint32_t wd, + uint32_t rs_num, uint32_t n) +{ + wr_t *pwd = &(env->active_fpu.fpr[wd].wr); + target_ulong rs = env->active_tc.gpr[rs_num]; + n %= 2; + pwd->d[n] = (int64_t)rs; } void helper_msa_insve_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |