| /* |
| * MIPS SIMD Architecture Module Instruction emulation helpers for QEMU. |
| * |
| * Copyright (c) 2014 Imagination Technologies |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "cpu.h" |
| #include "exec/exec-all.h" |
| #include "exec/helper-proto.h" |
| |
| /* Data format min and max values */ |
| #define DF_BITS(df) (1 << ((df) + 3)) |
| |
| #define DF_MAX_INT(df) (int64_t)((1LL << (DF_BITS(df) - 1)) - 1) |
| #define M_MAX_INT(m) (int64_t)((1LL << ((m) - 1)) - 1) |
| |
| #define DF_MIN_INT(df) (int64_t)(-(1LL << (DF_BITS(df) - 1))) |
| #define M_MIN_INT(m) (int64_t)(-(1LL << ((m) - 1))) |
| |
| #define DF_MAX_UINT(df) (uint64_t)(-1ULL >> (64 - DF_BITS(df))) |
| #define M_MAX_UINT(m) (uint64_t)(-1ULL >> (64 - (m))) |
| |
| #define UNSIGNED(x, df) ((x) & DF_MAX_UINT(df)) |
| #define SIGNED(x, df) \ |
| ((((int64_t)x) << (64 - DF_BITS(df))) >> (64 - DF_BITS(df))) |
| |
| /* Element-by-element access macros */ |
| #define DF_ELEMENTS(df) (MSA_WRLEN / DF_BITS(df)) |
| |
| static inline void msa_move_v(wr_t *pwd, wr_t *pws) |
| { |
| uint32_t i; |
| |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| pwd->d[i] = pws->d[i]; |
| } |
| } |
| |
| #define MSA_FN_IMM8(FUNC, DEST, OPERATION) \ |
| void helper_msa_ ## FUNC(CPUMIPSState *env, uint32_t wd, uint32_t ws, \ |
| uint32_t i8) \ |
| { \ |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \ |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); \ |
| uint32_t i; \ |
| for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) { \ |
| DEST = OPERATION; \ |
| } \ |
| } |
| |
| MSA_FN_IMM8(andi_b, pwd->b[i], pws->b[i] & i8) |
| MSA_FN_IMM8(ori_b, pwd->b[i], pws->b[i] | i8) |
| MSA_FN_IMM8(nori_b, pwd->b[i], ~(pws->b[i] | i8)) |
| MSA_FN_IMM8(xori_b, pwd->b[i], pws->b[i] ^ i8) |
| |
| #define BIT_MOVE_IF_NOT_ZERO(dest, arg1, arg2, df) \ |
| UNSIGNED(((dest & (~arg2)) | (arg1 & arg2)), df) |
| MSA_FN_IMM8(bmnzi_b, pwd->b[i], |
| BIT_MOVE_IF_NOT_ZERO(pwd->b[i], pws->b[i], i8, DF_BYTE)) |
| |
| #define BIT_MOVE_IF_ZERO(dest, arg1, arg2, df) \ |
| UNSIGNED((dest & arg2) | (arg1 & (~arg2)), df) |
| MSA_FN_IMM8(bmzi_b, pwd->b[i], |
| BIT_MOVE_IF_ZERO(pwd->b[i], pws->b[i], i8, DF_BYTE)) |
| |
| #define BIT_SELECT(dest, arg1, arg2, df) \ |
| UNSIGNED((arg1 & (~dest)) | (arg2 & dest), df) |
| MSA_FN_IMM8(bseli_b, pwd->b[i], |
| BIT_SELECT(pwd->b[i], pws->b[i], i8, DF_BYTE)) |
| |
| #undef MSA_FN_IMM8 |
| |
| #define SHF_POS(i, imm) (((i) & 0xfc) + (((imm) >> (2 * ((i) & 0x03))) & 0x03)) |
| |
| void helper_msa_shf_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t imm) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t wx, *pwx = &wx; |
| uint32_t i; |
| |
| switch (df) { |
| case DF_BYTE: |
| for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) { |
| pwx->b[i] = pws->b[SHF_POS(i, imm)]; |
| } |
| break; |
| case DF_HALF: |
| for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) { |
| pwx->h[i] = pws->h[SHF_POS(i, imm)]; |
| } |
| break; |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| pwx->w[i] = pws->w[SHF_POS(i, imm)]; |
| } |
| break; |
| default: |
| assert(0); |
| } |
| msa_move_v(pwd, pwx); |
| } |
| |
| #define MSA_FN_VECTOR(FUNC, DEST, OPERATION) \ |
| void helper_msa_ ## FUNC(CPUMIPSState *env, uint32_t wd, uint32_t ws, \ |
| uint32_t wt) \ |
| { \ |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \ |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); \ |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); \ |
| uint32_t i; \ |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { \ |
| DEST = OPERATION; \ |
| } \ |
| } |
| |
| MSA_FN_VECTOR(and_v, pwd->d[i], pws->d[i] & pwt->d[i]) |
| MSA_FN_VECTOR(or_v, pwd->d[i], pws->d[i] | pwt->d[i]) |
| MSA_FN_VECTOR(nor_v, pwd->d[i], ~(pws->d[i] | pwt->d[i])) |
| MSA_FN_VECTOR(xor_v, pwd->d[i], pws->d[i] ^ pwt->d[i]) |
| MSA_FN_VECTOR(bmnz_v, pwd->d[i], |
| BIT_MOVE_IF_NOT_ZERO(pwd->d[i], pws->d[i], pwt->d[i], DF_DOUBLE)) |
| MSA_FN_VECTOR(bmz_v, pwd->d[i], |
| BIT_MOVE_IF_ZERO(pwd->d[i], pws->d[i], pwt->d[i], DF_DOUBLE)) |
| MSA_FN_VECTOR(bsel_v, pwd->d[i], |
| BIT_SELECT(pwd->d[i], pws->d[i], pwt->d[i], DF_DOUBLE)) |
| #undef BIT_MOVE_IF_NOT_ZERO |
| #undef BIT_MOVE_IF_ZERO |
| #undef BIT_SELECT |
| #undef MSA_FN_VECTOR |
| |
| 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); |
| } |
| } |
| |
| /* 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 |
| |
| static inline int64_t msa_max_a_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| uint64_t abs_arg1 = arg1 >= 0 ? arg1 : -arg1; |
| uint64_t abs_arg2 = arg2 >= 0 ? arg2 : -arg2; |
| return abs_arg1 > abs_arg2 ? arg1 : arg2; |
| } |
| |
| static inline int64_t msa_min_a_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| uint64_t abs_arg1 = arg1 >= 0 ? arg1 : -arg1; |
| uint64_t abs_arg2 = arg2 >= 0 ? arg2 : -arg2; |
| return abs_arg1 < abs_arg2 ? arg1 : arg2; |
| } |
| |
| static inline int64_t msa_add_a_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| uint64_t abs_arg1 = arg1 >= 0 ? arg1 : -arg1; |
| uint64_t abs_arg2 = arg2 >= 0 ? arg2 : -arg2; |
| return abs_arg1 + abs_arg2; |
| } |
| |
| static inline int64_t msa_adds_a_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| uint64_t max_int = (uint64_t)DF_MAX_INT(df); |
| uint64_t abs_arg1 = arg1 >= 0 ? arg1 : -arg1; |
| uint64_t abs_arg2 = arg2 >= 0 ? arg2 : -arg2; |
| if (abs_arg1 > max_int || abs_arg2 > max_int) { |
| return (int64_t)max_int; |
| } else { |
| return (abs_arg1 < max_int - abs_arg2) ? abs_arg1 + abs_arg2 : max_int; |
| } |
| } |
| |
| static inline int64_t msa_adds_s_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| int64_t max_int = DF_MAX_INT(df); |
| int64_t min_int = DF_MIN_INT(df); |
| if (arg1 < 0) { |
| return (min_int - arg1 < arg2) ? arg1 + arg2 : min_int; |
| } else { |
| return (arg2 < max_int - arg1) ? arg1 + arg2 : max_int; |
| } |
| } |
| |
| static inline uint64_t msa_adds_u_df(uint32_t df, uint64_t arg1, uint64_t arg2) |
| { |
| uint64_t max_uint = DF_MAX_UINT(df); |
| uint64_t u_arg1 = UNSIGNED(arg1, df); |
| uint64_t u_arg2 = UNSIGNED(arg2, df); |
| return (u_arg1 < max_uint - u_arg2) ? u_arg1 + u_arg2 : max_uint; |
| } |
| |
| static inline int64_t msa_ave_s_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| /* signed shift */ |
| return (arg1 >> 1) + (arg2 >> 1) + (arg1 & arg2 & 1); |
| } |
| |
| static inline uint64_t msa_ave_u_df(uint32_t df, uint64_t arg1, uint64_t arg2) |
| { |
| uint64_t u_arg1 = UNSIGNED(arg1, df); |
| uint64_t u_arg2 = UNSIGNED(arg2, df); |
| /* unsigned shift */ |
| return (u_arg1 >> 1) + (u_arg2 >> 1) + (u_arg1 & u_arg2 & 1); |
| } |
| |
| static inline int64_t msa_aver_s_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| /* signed shift */ |
| return (arg1 >> 1) + (arg2 >> 1) + ((arg1 | arg2) & 1); |
| } |
| |
| static inline uint64_t msa_aver_u_df(uint32_t df, uint64_t arg1, uint64_t arg2) |
| { |
| uint64_t u_arg1 = UNSIGNED(arg1, df); |
| uint64_t u_arg2 = UNSIGNED(arg2, df); |
| /* unsigned shift */ |
| return (u_arg1 >> 1) + (u_arg2 >> 1) + ((u_arg1 | u_arg2) & 1); |
| } |
| |
| static inline int64_t msa_subs_s_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| int64_t max_int = DF_MAX_INT(df); |
| int64_t min_int = DF_MIN_INT(df); |
| if (arg2 > 0) { |
| return (min_int + arg2 < arg1) ? arg1 - arg2 : min_int; |
| } else { |
| return (arg1 < max_int + arg2) ? arg1 - arg2 : max_int; |
| } |
| } |
| |
| static inline int64_t msa_subs_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) ? u_arg1 - u_arg2 : 0; |
| } |
| |
| static inline int64_t msa_subsus_u_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| uint64_t u_arg1 = UNSIGNED(arg1, df); |
| uint64_t max_uint = DF_MAX_UINT(df); |
| if (arg2 >= 0) { |
| uint64_t u_arg2 = (uint64_t)arg2; |
| return (u_arg1 > u_arg2) ? |
| (int64_t)(u_arg1 - u_arg2) : |
| 0; |
| } else { |
| uint64_t u_arg2 = (uint64_t)(-arg2); |
| return (u_arg1 < max_uint - u_arg2) ? |
| (int64_t)(u_arg1 + u_arg2) : |
| (int64_t)max_uint; |
| } |
| } |
| |
| static inline int64_t msa_subsuu_s_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| uint64_t u_arg1 = UNSIGNED(arg1, df); |
| uint64_t u_arg2 = UNSIGNED(arg2, df); |
| int64_t max_int = DF_MAX_INT(df); |
| int64_t min_int = DF_MIN_INT(df); |
| if (u_arg1 > u_arg2) { |
| return u_arg1 - u_arg2 < (uint64_t)max_int ? |
| (int64_t)(u_arg1 - u_arg2) : |
| max_int; |
| } else { |
| return u_arg2 - u_arg1 < (uint64_t)(-min_int) ? |
| (int64_t)(u_arg1 - u_arg2) : |
| min_int; |
| } |
| } |
| |
| static inline int64_t msa_asub_s_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| /* signed compare */ |
| return (arg1 < arg2) ? |
| (uint64_t)(arg2 - arg1) : (uint64_t)(arg1 - arg2); |
| } |
| |
| static inline uint64_t msa_asub_u_df(uint32_t df, uint64_t arg1, uint64_t arg2) |
| { |
| uint64_t u_arg1 = UNSIGNED(arg1, df); |
| uint64_t u_arg2 = UNSIGNED(arg2, df); |
| /* unsigned compare */ |
| return (u_arg1 < u_arg2) ? |
| (uint64_t)(u_arg2 - u_arg1) : (uint64_t)(u_arg1 - u_arg2); |
| } |
| |
| static inline int64_t msa_mulv_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| return arg1 * arg2; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| #define SIGNED_EVEN(a, df) \ |
| ((((int64_t)(a)) << (64 - DF_BITS(df)/2)) >> (64 - DF_BITS(df)/2)) |
| |
| #define UNSIGNED_EVEN(a, df) \ |
| ((((uint64_t)(a)) << (64 - DF_BITS(df)/2)) >> (64 - DF_BITS(df)/2)) |
| |
| #define SIGNED_ODD(a, df) \ |
| ((((int64_t)(a)) << (64 - DF_BITS(df))) >> (64 - DF_BITS(df)/2)) |
| |
| #define UNSIGNED_ODD(a, df) \ |
| ((((uint64_t)(a)) << (64 - DF_BITS(df))) >> (64 - DF_BITS(df)/2)) |
| |
| #define SIGNED_EXTRACT(e, o, a, df) \ |
| do { \ |
| e = SIGNED_EVEN(a, df); \ |
| o = SIGNED_ODD(a, df); \ |
| } while (0); |
| |
| #define UNSIGNED_EXTRACT(e, o, a, df) \ |
| do { \ |
| e = UNSIGNED_EVEN(a, df); \ |
| o = UNSIGNED_ODD(a, df); \ |
| } while (0); |
| |
| static inline int64_t msa_dotp_s_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| int64_t even_arg1; |
| int64_t even_arg2; |
| int64_t odd_arg1; |
| int64_t odd_arg2; |
| SIGNED_EXTRACT(even_arg1, odd_arg1, arg1, df); |
| SIGNED_EXTRACT(even_arg2, odd_arg2, arg2, df); |
| return (even_arg1 * even_arg2) + (odd_arg1 * odd_arg2); |
| } |
| |
| static inline int64_t msa_dotp_u_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| int64_t even_arg1; |
| int64_t even_arg2; |
| int64_t odd_arg1; |
| int64_t odd_arg2; |
| UNSIGNED_EXTRACT(even_arg1, odd_arg1, arg1, df); |
| UNSIGNED_EXTRACT(even_arg2, odd_arg2, arg2, df); |
| return (even_arg1 * even_arg2) + (odd_arg1 * odd_arg2); |
| } |
| |
| #define CONCATENATE_AND_SLIDE(s, k) \ |
| do { \ |
| for (i = 0; i < s; i++) { \ |
| v[i] = pws->b[s * k + i]; \ |
| v[i + s] = pwd->b[s * k + i]; \ |
| } \ |
| for (i = 0; i < s; i++) { \ |
| pwd->b[s * k + i] = v[i + n]; \ |
| } \ |
| } while (0) |
| |
| static inline void msa_sld_df(uint32_t df, wr_t *pwd, |
| wr_t *pws, target_ulong rt) |
| { |
| uint32_t n = rt % DF_ELEMENTS(df); |
| uint8_t v[64]; |
| uint32_t i, k; |
| |
| switch (df) { |
| case DF_BYTE: |
| CONCATENATE_AND_SLIDE(DF_ELEMENTS(DF_BYTE), 0); |
| break; |
| case DF_HALF: |
| for (k = 0; k < 2; k++) { |
| CONCATENATE_AND_SLIDE(DF_ELEMENTS(DF_HALF), k); |
| } |
| break; |
| case DF_WORD: |
| for (k = 0; k < 4; k++) { |
| CONCATENATE_AND_SLIDE(DF_ELEMENTS(DF_WORD), k); |
| } |
| break; |
| case DF_DOUBLE: |
| for (k = 0; k < 8; k++) { |
| CONCATENATE_AND_SLIDE(DF_ELEMENTS(DF_DOUBLE), k); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| } |
| |
| static inline int64_t msa_hadd_s_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| return SIGNED_ODD(arg1, df) + SIGNED_EVEN(arg2, df); |
| } |
| |
| static inline int64_t msa_hadd_u_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| return UNSIGNED_ODD(arg1, df) + UNSIGNED_EVEN(arg2, df); |
| } |
| |
| static inline int64_t msa_hsub_s_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| return SIGNED_ODD(arg1, df) - SIGNED_EVEN(arg2, df); |
| } |
| |
| static inline int64_t msa_hsub_u_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| return UNSIGNED_ODD(arg1, df) - UNSIGNED_EVEN(arg2, df); |
| } |
| |
| static inline int64_t msa_mul_q_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| int64_t q_min = DF_MIN_INT(df); |
| int64_t q_max = DF_MAX_INT(df); |
| |
| if (arg1 == q_min && arg2 == q_min) { |
| return q_max; |
| } |
| return (arg1 * arg2) >> (DF_BITS(df) - 1); |
| } |
| |
| static inline int64_t msa_mulr_q_df(uint32_t df, int64_t arg1, int64_t arg2) |
| { |
| int64_t q_min = DF_MIN_INT(df); |
| int64_t q_max = DF_MAX_INT(df); |
| int64_t r_bit = 1 << (DF_BITS(df) - 2); |
| |
| if (arg1 == q_min && arg2 == q_min) { |
| return q_max; |
| } |
| return (arg1 * arg2 + r_bit) >> (DF_BITS(df) - 1); |
| } |
| |
| #define MSA_BINOP_DF(func) \ |
| void helper_msa_ ## func ## _df(CPUMIPSState *env, uint32_t df, \ |
| uint32_t wd, uint32_t ws, uint32_t wt) \ |
| { \ |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \ |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); \ |
| wr_t *pwt = &(env->active_fpu.fpr[wt].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], pwt->b[i]); \ |
| } \ |
| break; \ |
| case DF_HALF: \ |
| for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) { \ |
| pwd->h[i] = msa_ ## func ## _df(df, pws->h[i], pwt->h[i]); \ |
| } \ |
| break; \ |
| case DF_WORD: \ |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { \ |
| pwd->w[i] = msa_ ## func ## _df(df, pws->w[i], pwt->w[i]); \ |
| } \ |
| break; \ |
| case DF_DOUBLE: \ |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { \ |
| pwd->d[i] = msa_ ## func ## _df(df, pws->d[i], pwt->d[i]); \ |
| } \ |
| break; \ |
| default: \ |
| assert(0); \ |
| } \ |
| } |
| |
| MSA_BINOP_DF(sll) |
| MSA_BINOP_DF(sra) |
| MSA_BINOP_DF(srl) |
| MSA_BINOP_DF(bclr) |
| MSA_BINOP_DF(bset) |
| MSA_BINOP_DF(bneg) |
| MSA_BINOP_DF(addv) |
| MSA_BINOP_DF(subv) |
| MSA_BINOP_DF(max_s) |
| MSA_BINOP_DF(max_u) |
| MSA_BINOP_DF(min_s) |
| MSA_BINOP_DF(min_u) |
| MSA_BINOP_DF(max_a) |
| MSA_BINOP_DF(min_a) |
| MSA_BINOP_DF(ceq) |
| MSA_BINOP_DF(clt_s) |
| MSA_BINOP_DF(clt_u) |
| MSA_BINOP_DF(cle_s) |
| MSA_BINOP_DF(cle_u) |
| MSA_BINOP_DF(add_a) |
| MSA_BINOP_DF(adds_a) |
| MSA_BINOP_DF(adds_s) |
| MSA_BINOP_DF(adds_u) |
| MSA_BINOP_DF(ave_s) |
| MSA_BINOP_DF(ave_u) |
| MSA_BINOP_DF(aver_s) |
| MSA_BINOP_DF(aver_u) |
| MSA_BINOP_DF(subs_s) |
| MSA_BINOP_DF(subs_u) |
| MSA_BINOP_DF(subsus_u) |
| MSA_BINOP_DF(subsuu_s) |
| MSA_BINOP_DF(asub_s) |
| MSA_BINOP_DF(asub_u) |
| MSA_BINOP_DF(mulv) |
| MSA_BINOP_DF(div_s) |
| MSA_BINOP_DF(div_u) |
| MSA_BINOP_DF(mod_s) |
| MSA_BINOP_DF(mod_u) |
| MSA_BINOP_DF(dotp_s) |
| MSA_BINOP_DF(dotp_u) |
| MSA_BINOP_DF(srar) |
| MSA_BINOP_DF(srlr) |
| MSA_BINOP_DF(hadd_s) |
| MSA_BINOP_DF(hadd_u) |
| MSA_BINOP_DF(hsub_s) |
| MSA_BINOP_DF(hsub_u) |
| |
| MSA_BINOP_DF(mul_q) |
| MSA_BINOP_DF(mulr_q) |
| #undef MSA_BINOP_DF |
| |
| void helper_msa_sld_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t rt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| |
| msa_sld_df(df, pwd, pws, env->active_tc.gpr[rt]); |
| } |
| |
| static inline int64_t msa_maddv_df(uint32_t df, int64_t dest, int64_t arg1, |
| int64_t arg2) |
| { |
| return dest + arg1 * arg2; |
| } |
| |
| static inline int64_t msa_msubv_df(uint32_t df, int64_t dest, int64_t arg1, |
| int64_t arg2) |
| { |
| return dest - arg1 * arg2; |
| } |
| |
| static inline int64_t msa_dpadd_s_df(uint32_t df, int64_t dest, int64_t arg1, |
| int64_t arg2) |
| { |
| int64_t even_arg1; |
| int64_t even_arg2; |
| int64_t odd_arg1; |
| int64_t odd_arg2; |
| SIGNED_EXTRACT(even_arg1, odd_arg1, arg1, df); |
| SIGNED_EXTRACT(even_arg2, odd_arg2, arg2, df); |
| return dest + (even_arg1 * even_arg2) + (odd_arg1 * odd_arg2); |
| } |
| |
| static inline int64_t msa_dpadd_u_df(uint32_t df, int64_t dest, int64_t arg1, |
| int64_t arg2) |
| { |
| int64_t even_arg1; |
| int64_t even_arg2; |
| int64_t odd_arg1; |
| int64_t odd_arg2; |
| UNSIGNED_EXTRACT(even_arg1, odd_arg1, arg1, df); |
| UNSIGNED_EXTRACT(even_arg2, odd_arg2, arg2, df); |
| return dest + (even_arg1 * even_arg2) + (odd_arg1 * odd_arg2); |
| } |
| |
| static inline int64_t msa_dpsub_s_df(uint32_t df, int64_t dest, int64_t arg1, |
| int64_t arg2) |
| { |
| int64_t even_arg1; |
| int64_t even_arg2; |
| int64_t odd_arg1; |
| int64_t odd_arg2; |
| SIGNED_EXTRACT(even_arg1, odd_arg1, arg1, df); |
| SIGNED_EXTRACT(even_arg2, odd_arg2, arg2, df); |
| return dest - ((even_arg1 * even_arg2) + (odd_arg1 * odd_arg2)); |
| } |
| |
| static inline int64_t msa_dpsub_u_df(uint32_t df, int64_t dest, int64_t arg1, |
| int64_t arg2) |
| { |
| int64_t even_arg1; |
| int64_t even_arg2; |
| int64_t odd_arg1; |
| int64_t odd_arg2; |
| UNSIGNED_EXTRACT(even_arg1, odd_arg1, arg1, df); |
| UNSIGNED_EXTRACT(even_arg2, odd_arg2, arg2, df); |
| return dest - ((even_arg1 * even_arg2) + (odd_arg1 * odd_arg2)); |
| } |
| |
| static inline int64_t msa_madd_q_df(uint32_t df, int64_t dest, int64_t arg1, |
| int64_t arg2) |
| { |
| int64_t q_prod, q_ret; |
| |
| int64_t q_max = DF_MAX_INT(df); |
| int64_t q_min = DF_MIN_INT(df); |
| |
| q_prod = arg1 * arg2; |
| q_ret = ((dest << (DF_BITS(df) - 1)) + q_prod) >> (DF_BITS(df) - 1); |
| |
| return (q_ret < q_min) ? q_min : (q_max < q_ret) ? q_max : q_ret; |
| } |
| |
| static inline int64_t msa_msub_q_df(uint32_t df, int64_t dest, int64_t arg1, |
| int64_t arg2) |
| { |
| int64_t q_prod, q_ret; |
| |
| int64_t q_max = DF_MAX_INT(df); |
| int64_t q_min = DF_MIN_INT(df); |
| |
| q_prod = arg1 * arg2; |
| q_ret = ((dest << (DF_BITS(df) - 1)) - q_prod) >> (DF_BITS(df) - 1); |
| |
| return (q_ret < q_min) ? q_min : (q_max < q_ret) ? q_max : q_ret; |
| } |
| |
| static inline int64_t msa_maddr_q_df(uint32_t df, int64_t dest, int64_t arg1, |
| int64_t arg2) |
| { |
| int64_t q_prod, q_ret; |
| |
| int64_t q_max = DF_MAX_INT(df); |
| int64_t q_min = DF_MIN_INT(df); |
| int64_t r_bit = 1 << (DF_BITS(df) - 2); |
| |
| q_prod = arg1 * arg2; |
| q_ret = ((dest << (DF_BITS(df) - 1)) + q_prod + r_bit) >> (DF_BITS(df) - 1); |
| |
| return (q_ret < q_min) ? q_min : (q_max < q_ret) ? q_max : q_ret; |
| } |
| |
| static inline int64_t msa_msubr_q_df(uint32_t df, int64_t dest, int64_t arg1, |
| int64_t arg2) |
| { |
| int64_t q_prod, q_ret; |
| |
| int64_t q_max = DF_MAX_INT(df); |
| int64_t q_min = DF_MIN_INT(df); |
| int64_t r_bit = 1 << (DF_BITS(df) - 2); |
| |
| q_prod = arg1 * arg2; |
| q_ret = ((dest << (DF_BITS(df) - 1)) - q_prod + r_bit) >> (DF_BITS(df) - 1); |
| |
| return (q_ret < q_min) ? q_min : (q_max < q_ret) ? q_max : q_ret; |
| } |
| |
| #define MSA_TEROP_DF(func) \ |
| void helper_msa_ ## func ## _df(CPUMIPSState *env, uint32_t df, uint32_t wd, \ |
| uint32_t ws, uint32_t wt) \ |
| { \ |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \ |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); \ |
| wr_t *pwt = &(env->active_fpu.fpr[wt].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], \ |
| pwt->b[i]); \ |
| } \ |
| 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], \ |
| pwt->h[i]); \ |
| } \ |
| 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], \ |
| pwt->w[i]); \ |
| } \ |
| 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], \ |
| pwt->d[i]); \ |
| } \ |
| break; \ |
| default: \ |
| assert(0); \ |
| } \ |
| } |
| |
| MSA_TEROP_DF(maddv) |
| MSA_TEROP_DF(msubv) |
| MSA_TEROP_DF(dpadd_s) |
| MSA_TEROP_DF(dpadd_u) |
| MSA_TEROP_DF(dpsub_s) |
| MSA_TEROP_DF(dpsub_u) |
| MSA_TEROP_DF(binsl) |
| MSA_TEROP_DF(binsr) |
| MSA_TEROP_DF(madd_q) |
| MSA_TEROP_DF(msub_q) |
| MSA_TEROP_DF(maddr_q) |
| MSA_TEROP_DF(msubr_q) |
| #undef MSA_TEROP_DF |
| |
| static inline void msa_splat_df(uint32_t df, wr_t *pwd, |
| wr_t *pws, target_ulong rt) |
| { |
| uint32_t n = rt % DF_ELEMENTS(df); |
| uint32_t i; |
| |
| switch (df) { |
| case DF_BYTE: |
| for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) { |
| pwd->b[i] = pws->b[n]; |
| } |
| break; |
| case DF_HALF: |
| for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) { |
| pwd->h[i] = pws->h[n]; |
| } |
| break; |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| pwd->w[i] = pws->w[n]; |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| pwd->d[i] = pws->d[n]; |
| } |
| break; |
| default: |
| assert(0); |
| } |
| } |
| |
| void helper_msa_splat_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t rt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| |
| msa_splat_df(df, pwd, pws, env->active_tc.gpr[rt]); |
| } |
| |
| #define MSA_DO_B MSA_DO(b) |
| #define MSA_DO_H MSA_DO(h) |
| #define MSA_DO_W MSA_DO(w) |
| #define MSA_DO_D MSA_DO(d) |
| |
| #define MSA_LOOP_B MSA_LOOP(B) |
| #define MSA_LOOP_H MSA_LOOP(H) |
| #define MSA_LOOP_W MSA_LOOP(W) |
| #define MSA_LOOP_D MSA_LOOP(D) |
| |
| #define MSA_LOOP_COND_B MSA_LOOP_COND(DF_BYTE) |
| #define MSA_LOOP_COND_H MSA_LOOP_COND(DF_HALF) |
| #define MSA_LOOP_COND_W MSA_LOOP_COND(DF_WORD) |
| #define MSA_LOOP_COND_D MSA_LOOP_COND(DF_DOUBLE) |
| |
| #define MSA_LOOP(DF) \ |
| for (i = 0; i < (MSA_LOOP_COND_ ## DF) ; i++) { \ |
| MSA_DO_ ## DF \ |
| } |
| |
| #define MSA_FN_DF(FUNC) \ |
| void helper_msa_##FUNC(CPUMIPSState *env, uint32_t df, uint32_t wd, \ |
| uint32_t ws, uint32_t wt) \ |
| { \ |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \ |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); \ |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); \ |
| wr_t wx, *pwx = &wx; \ |
| uint32_t i; \ |
| switch (df) { \ |
| case DF_BYTE: \ |
| MSA_LOOP_B \ |
| break; \ |
| case DF_HALF: \ |
| MSA_LOOP_H \ |
| break; \ |
| case DF_WORD: \ |
| MSA_LOOP_W \ |
| break; \ |
| case DF_DOUBLE: \ |
| MSA_LOOP_D \ |
| break; \ |
| default: \ |
| assert(0); \ |
| } \ |
| msa_move_v(pwd, pwx); \ |
| } |
| |
| #define MSA_LOOP_COND(DF) \ |
| (DF_ELEMENTS(DF) / 2) |
| |
| #define Rb(pwr, i) (pwr->b[i]) |
| #define Lb(pwr, i) (pwr->b[i + DF_ELEMENTS(DF_BYTE)/2]) |
| #define Rh(pwr, i) (pwr->h[i]) |
| #define Lh(pwr, i) (pwr->h[i + DF_ELEMENTS(DF_HALF)/2]) |
| #define Rw(pwr, i) (pwr->w[i]) |
| #define Lw(pwr, i) (pwr->w[i + DF_ELEMENTS(DF_WORD)/2]) |
| #define Rd(pwr, i) (pwr->d[i]) |
| #define Ld(pwr, i) (pwr->d[i + DF_ELEMENTS(DF_DOUBLE)/2]) |
| |
| #define MSA_DO(DF) \ |
| do { \ |
| R##DF(pwx, i) = pwt->DF[2*i]; \ |
| L##DF(pwx, i) = pws->DF[2*i]; \ |
| } while (0); |
| MSA_FN_DF(pckev_df) |
| #undef MSA_DO |
| |
| #define MSA_DO(DF) \ |
| do { \ |
| R##DF(pwx, i) = pwt->DF[2*i+1]; \ |
| L##DF(pwx, i) = pws->DF[2*i+1]; \ |
| } while (0); |
| MSA_FN_DF(pckod_df) |
| #undef MSA_DO |
| |
| #define MSA_DO(DF) \ |
| do { \ |
| pwx->DF[2*i] = L##DF(pwt, i); \ |
| pwx->DF[2*i+1] = L##DF(pws, i); \ |
| } while (0); |
| MSA_FN_DF(ilvl_df) |
| #undef MSA_DO |
| |
| #define MSA_DO(DF) \ |
| do { \ |
| pwx->DF[2*i] = R##DF(pwt, i); \ |
| pwx->DF[2*i+1] = R##DF(pws, i); \ |
| } while (0); |
| MSA_FN_DF(ilvr_df) |
| #undef MSA_DO |
| |
| #define MSA_DO(DF) \ |
| do { \ |
| pwx->DF[2*i] = pwt->DF[2*i]; \ |
| pwx->DF[2*i+1] = pws->DF[2*i]; \ |
| } while (0); |
| MSA_FN_DF(ilvev_df) |
| #undef MSA_DO |
| |
| #define MSA_DO(DF) \ |
| do { \ |
| pwx->DF[2*i] = pwt->DF[2*i+1]; \ |
| pwx->DF[2*i+1] = pws->DF[2*i+1]; \ |
| } while (0); |
| MSA_FN_DF(ilvod_df) |
| #undef MSA_DO |
| #undef MSA_LOOP_COND |
| |
| #define MSA_LOOP_COND(DF) \ |
| (DF_ELEMENTS(DF)) |
| |
| #define MSA_DO(DF) \ |
| do { \ |
| uint32_t n = DF_ELEMENTS(df); \ |
| uint32_t k = (pwd->DF[i] & 0x3f) % (2 * n); \ |
| pwx->DF[i] = \ |
| (pwd->DF[i] & 0xc0) ? 0 : k < n ? pwt->DF[k] : pws->DF[k - n]; \ |
| } while (0); |
| MSA_FN_DF(vshf_df) |
| #undef MSA_DO |
| #undef MSA_LOOP_COND |
| #undef MSA_FN_DF |
| |
| void helper_msa_sldi_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t n) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| |
| msa_sld_df(df, pwd, pws, n); |
| } |
| |
| void helper_msa_splati_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t n) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| |
| 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) |
| { |
| n %= DF_ELEMENTS(df); |
| |
| 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; |
| #endif |
| default: |
| assert(0); |
| } |
| } |
| |
| void helper_msa_copy_u_df(CPUMIPSState *env, uint32_t df, uint32_t rd, |
| uint32_t ws, uint32_t n) |
| { |
| n %= DF_ELEMENTS(df); |
| |
| 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; |
| #endif |
| default: |
| assert(0); |
| } |
| } |
| |
| void helper_msa_insert_df(CPUMIPSState *env, uint32_t df, 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]; |
| |
| 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_insve_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t n) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| |
| switch (df) { |
| case DF_BYTE: |
| pwd->b[n] = (int8_t)pws->b[0]; |
| break; |
| case DF_HALF: |
| pwd->h[n] = (int16_t)pws->h[0]; |
| break; |
| case DF_WORD: |
| pwd->w[n] = (int32_t)pws->w[0]; |
| break; |
| case DF_DOUBLE: |
| pwd->d[n] = (int64_t)pws->d[0]; |
| break; |
| default: |
| assert(0); |
| } |
| } |
| |
| void helper_msa_ctcmsa(CPUMIPSState *env, target_ulong elm, uint32_t cd) |
| { |
| switch (cd) { |
| case 0: |
| break; |
| case 1: |
| env->active_tc.msacsr = (int32_t)elm & MSACSR_MASK; |
| restore_msa_fp_status(env); |
| /* check exception */ |
| if ((GET_FP_ENABLE(env->active_tc.msacsr) | FP_UNIMPLEMENTED) |
| & GET_FP_CAUSE(env->active_tc.msacsr)) { |
| do_raise_exception(env, EXCP_MSAFPE, GETPC()); |
| } |
| break; |
| } |
| } |
| |
| target_ulong helper_msa_cfcmsa(CPUMIPSState *env, uint32_t cs) |
| { |
| switch (cs) { |
| case 0: |
| return env->msair; |
| case 1: |
| return env->active_tc.msacsr & MSACSR_MASK; |
| } |
| return 0; |
| } |
| |
| void helper_msa_move_v(CPUMIPSState *env, uint32_t wd, uint32_t ws) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| |
| msa_move_v(pwd, pws); |
| } |
| |
| static inline int64_t msa_pcnt_df(uint32_t df, int64_t arg) |
| { |
| uint64_t x; |
| |
| x = UNSIGNED(arg, df); |
| |
| x = (x & 0x5555555555555555ULL) + ((x >> 1) & 0x5555555555555555ULL); |
| x = (x & 0x3333333333333333ULL) + ((x >> 2) & 0x3333333333333333ULL); |
| x = (x & 0x0F0F0F0F0F0F0F0FULL) + ((x >> 4) & 0x0F0F0F0F0F0F0F0FULL); |
| x = (x & 0x00FF00FF00FF00FFULL) + ((x >> 8) & 0x00FF00FF00FF00FFULL); |
| x = (x & 0x0000FFFF0000FFFFULL) + ((x >> 16) & 0x0000FFFF0000FFFFULL); |
| x = (x & 0x00000000FFFFFFFFULL) + ((x >> 32)); |
| |
| return x; |
| } |
| |
| static inline int64_t msa_nlzc_df(uint32_t df, int64_t arg) |
| { |
| uint64_t x, y; |
| int n, c; |
| |
| x = UNSIGNED(arg, df); |
| n = DF_BITS(df); |
| c = DF_BITS(df) / 2; |
| |
| do { |
| y = x >> c; |
| if (y != 0) { |
| n = n - c; |
| x = y; |
| } |
| c = c >> 1; |
| } while (c != 0); |
| |
| return n - x; |
| } |
| |
| static inline int64_t msa_nloc_df(uint32_t df, int64_t arg) |
| { |
| return msa_nlzc_df(df, UNSIGNED((~arg), df)); |
| } |
| |
| void helper_msa_fill_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t rs) |
| { |
| 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)env->active_tc.gpr[rs]; |
| } |
| break; |
| case DF_HALF: |
| for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) { |
| pwd->h[i] = (int16_t)env->active_tc.gpr[rs]; |
| } |
| break; |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| pwd->w[i] = (int32_t)env->active_tc.gpr[rs]; |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| pwd->d[i] = (int64_t)env->active_tc.gpr[rs]; |
| } |
| break; |
| default: |
| assert(0); |
| } |
| } |
| |
| #define MSA_UNOP_DF(func) \ |
| void helper_msa_ ## func ## _df(CPUMIPSState *env, uint32_t df, \ |
| uint32_t wd, uint32_t ws) \ |
| { \ |
| 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]); \ |
| } \ |
| break; \ |
| case DF_HALF: \ |
| for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) { \ |
| pwd->h[i] = msa_ ## func ## _df(df, pws->h[i]); \ |
| } \ |
| break; \ |
| case DF_WORD: \ |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { \ |
| pwd->w[i] = msa_ ## func ## _df(df, pws->w[i]); \ |
| } \ |
| break; \ |
| case DF_DOUBLE: \ |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { \ |
| pwd->d[i] = msa_ ## func ## _df(df, pws->d[i]); \ |
| } \ |
| break; \ |
| default: \ |
| assert(0); \ |
| } \ |
| } |
| |
| MSA_UNOP_DF(nlzc) |
| MSA_UNOP_DF(nloc) |
| MSA_UNOP_DF(pcnt) |
| #undef MSA_UNOP_DF |
| |
| #define FLOAT_ONE32 make_float32(0x3f8 << 20) |
| #define FLOAT_ONE64 make_float64(0x3ffULL << 52) |
| |
| #define FLOAT_SNAN16(s) (float16_default_nan(s) ^ 0x0220) |
| /* 0x7c20 */ |
| #define FLOAT_SNAN32(s) (float32_default_nan(s) ^ 0x00400020) |
| /* 0x7f800020 */ |
| #define FLOAT_SNAN64(s) (float64_default_nan(s) ^ 0x0008000000000020ULL) |
| /* 0x7ff0000000000020 */ |
| |
| static inline void clear_msacsr_cause(CPUMIPSState *env) |
| { |
| SET_FP_CAUSE(env->active_tc.msacsr, 0); |
| } |
| |
| static inline void check_msacsr_cause(CPUMIPSState *env, uintptr_t retaddr) |
| { |
| if ((GET_FP_CAUSE(env->active_tc.msacsr) & |
| (GET_FP_ENABLE(env->active_tc.msacsr) | FP_UNIMPLEMENTED)) == 0) { |
| UPDATE_FP_FLAGS(env->active_tc.msacsr, |
| GET_FP_CAUSE(env->active_tc.msacsr)); |
| } else { |
| do_raise_exception(env, EXCP_MSAFPE, retaddr); |
| } |
| } |
| |
| /* Flush-to-zero use cases for update_msacsr() */ |
| #define CLEAR_FS_UNDERFLOW 1 |
| #define CLEAR_IS_INEXACT 2 |
| #define RECIPROCAL_INEXACT 4 |
| |
| static inline int update_msacsr(CPUMIPSState *env, int action, int denormal) |
| { |
| int ieee_ex; |
| |
| int c; |
| int cause; |
| int enable; |
| |
| ieee_ex = get_float_exception_flags(&env->active_tc.msa_fp_status); |
| |
| /* QEMU softfloat does not signal all underflow cases */ |
| if (denormal) { |
| ieee_ex |= float_flag_underflow; |
| } |
| |
| c = ieee_ex_to_mips(ieee_ex); |
| enable = GET_FP_ENABLE(env->active_tc.msacsr) | FP_UNIMPLEMENTED; |
| |
| /* Set Inexact (I) when flushing inputs to zero */ |
| if ((ieee_ex & float_flag_input_denormal) && |
| (env->active_tc.msacsr & MSACSR_FS_MASK) != 0) { |
| if (action & CLEAR_IS_INEXACT) { |
| c &= ~FP_INEXACT; |
| } else { |
| c |= FP_INEXACT; |
| } |
| } |
| |
| /* Set Inexact (I) and Underflow (U) when flushing outputs to zero */ |
| if ((ieee_ex & float_flag_output_denormal) && |
| (env->active_tc.msacsr & MSACSR_FS_MASK) != 0) { |
| c |= FP_INEXACT; |
| if (action & CLEAR_FS_UNDERFLOW) { |
| c &= ~FP_UNDERFLOW; |
| } else { |
| c |= FP_UNDERFLOW; |
| } |
| } |
| |
| /* Set Inexact (I) when Overflow (O) is not enabled */ |
| if ((c & FP_OVERFLOW) != 0 && (enable & FP_OVERFLOW) == 0) { |
| c |= FP_INEXACT; |
| } |
| |
| /* Clear Exact Underflow when Underflow (U) is not enabled */ |
| if ((c & FP_UNDERFLOW) != 0 && (enable & FP_UNDERFLOW) == 0 && |
| (c & FP_INEXACT) == 0) { |
| c &= ~FP_UNDERFLOW; |
| } |
| |
| /* Reciprocal operations set only Inexact when valid and not |
| divide by zero */ |
| if ((action & RECIPROCAL_INEXACT) && |
| (c & (FP_INVALID | FP_DIV0)) == 0) { |
| c = FP_INEXACT; |
| } |
| |
| cause = c & enable; /* all current enabled exceptions */ |
| |
| if (cause == 0) { |
| /* No enabled exception, update the MSACSR Cause |
| with all current exceptions */ |
| SET_FP_CAUSE(env->active_tc.msacsr, |
| (GET_FP_CAUSE(env->active_tc.msacsr) | c)); |
| } else { |
| /* Current exceptions are enabled */ |
| if ((env->active_tc.msacsr & MSACSR_NX_MASK) == 0) { |
| /* Exception(s) will trap, update MSACSR Cause |
| with all enabled exceptions */ |
| SET_FP_CAUSE(env->active_tc.msacsr, |
| (GET_FP_CAUSE(env->active_tc.msacsr) | c)); |
| } |
| } |
| |
| return c; |
| } |
| |
| static inline int get_enabled_exceptions(const CPUMIPSState *env, int c) |
| { |
| int enable = GET_FP_ENABLE(env->active_tc.msacsr) | FP_UNIMPLEMENTED; |
| return c & enable; |
| } |
| |
| static inline float16 float16_from_float32(int32_t a, flag ieee, |
| float_status *status) |
| { |
| float16 f_val; |
| |
| f_val = float32_to_float16((float32)a, ieee, status); |
| f_val = float16_maybe_silence_nan(f_val, status); |
| |
| return a < 0 ? (f_val | (1 << 15)) : f_val; |
| } |
| |
| static inline float32 float32_from_float64(int64_t a, float_status *status) |
| { |
| float32 f_val; |
| |
| f_val = float64_to_float32((float64)a, status); |
| f_val = float32_maybe_silence_nan(f_val, status); |
| |
| return a < 0 ? (f_val | (1 << 31)) : f_val; |
| } |
| |
| static inline float32 float32_from_float16(int16_t a, flag ieee, |
| float_status *status) |
| { |
| float32 f_val; |
| |
| f_val = float16_to_float32((float16)a, ieee, status); |
| f_val = float32_maybe_silence_nan(f_val, status); |
| |
| return a < 0 ? (f_val | (1 << 31)) : f_val; |
| } |
| |
| static inline float64 float64_from_float32(int32_t a, float_status *status) |
| { |
| float64 f_val; |
| |
| f_val = float32_to_float64((float64)a, status); |
| f_val = float64_maybe_silence_nan(f_val, status); |
| |
| return a < 0 ? (f_val | (1ULL << 63)) : f_val; |
| } |
| |
| static inline float32 float32_from_q16(int16_t a, float_status *status) |
| { |
| float32 f_val; |
| |
| /* conversion as integer and scaling */ |
| f_val = int32_to_float32(a, status); |
| f_val = float32_scalbn(f_val, -15, status); |
| |
| return f_val; |
| } |
| |
| static inline float64 float64_from_q32(int32_t a, float_status *status) |
| { |
| float64 f_val; |
| |
| /* conversion as integer and scaling */ |
| f_val = int32_to_float64(a, status); |
| f_val = float64_scalbn(f_val, -31, status); |
| |
| return f_val; |
| } |
| |
| static inline int16_t float32_to_q16(float32 a, float_status *status) |
| { |
| int32_t q_val; |
| int32_t q_min = 0xffff8000; |
| int32_t q_max = 0x00007fff; |
| |
| int ieee_ex; |
| |
| if (float32_is_any_nan(a)) { |
| float_raise(float_flag_invalid, status); |
| return 0; |
| } |
| |
| /* scaling */ |
| a = float32_scalbn(a, 15, status); |
| |
| ieee_ex = get_float_exception_flags(status); |
| set_float_exception_flags(ieee_ex & (~float_flag_underflow) |
| , status); |
| |
| if (ieee_ex & float_flag_overflow) { |
| float_raise(float_flag_inexact, status); |
| return (int32_t)a < 0 ? q_min : q_max; |
| } |
| |
| /* conversion to int */ |
| q_val = float32_to_int32(a, status); |
| |
| ieee_ex = get_float_exception_flags(status); |
| set_float_exception_flags(ieee_ex & (~float_flag_underflow) |
| , status); |
| |
| if (ieee_ex & float_flag_invalid) { |
| set_float_exception_flags(ieee_ex & (~float_flag_invalid) |
| , status); |
| float_raise(float_flag_overflow | float_flag_inexact, status); |
| return (int32_t)a < 0 ? q_min : q_max; |
| } |
| |
| if (q_val < q_min) { |
| float_raise(float_flag_overflow | float_flag_inexact, status); |
| return (int16_t)q_min; |
| } |
| |
| if (q_max < q_val) { |
| float_raise(float_flag_overflow | float_flag_inexact, status); |
| return (int16_t)q_max; |
| } |
| |
| return (int16_t)q_val; |
| } |
| |
| static inline int32_t float64_to_q32(float64 a, float_status *status) |
| { |
| int64_t q_val; |
| int64_t q_min = 0xffffffff80000000LL; |
| int64_t q_max = 0x000000007fffffffLL; |
| |
| int ieee_ex; |
| |
| if (float64_is_any_nan(a)) { |
| float_raise(float_flag_invalid, status); |
| return 0; |
| } |
| |
| /* scaling */ |
| a = float64_scalbn(a, 31, status); |
| |
| ieee_ex = get_float_exception_flags(status); |
| set_float_exception_flags(ieee_ex & (~float_flag_underflow) |
| , status); |
| |
| if (ieee_ex & float_flag_overflow) { |
| float_raise(float_flag_inexact, status); |
| return (int64_t)a < 0 ? q_min : q_max; |
| } |
| |
| /* conversion to integer */ |
| q_val = float64_to_int64(a, status); |
| |
| ieee_ex = get_float_exception_flags(status); |
| set_float_exception_flags(ieee_ex & (~float_flag_underflow) |
| , status); |
| |
| if (ieee_ex & float_flag_invalid) { |
| set_float_exception_flags(ieee_ex & (~float_flag_invalid) |
| , status); |
| float_raise(float_flag_overflow | float_flag_inexact, status); |
| return (int64_t)a < 0 ? q_min : q_max; |
| } |
| |
| if (q_val < q_min) { |
| float_raise(float_flag_overflow | float_flag_inexact, status); |
| return (int32_t)q_min; |
| } |
| |
| if (q_max < q_val) { |
| float_raise(float_flag_overflow | float_flag_inexact, status); |
| return (int32_t)q_max; |
| } |
| |
| return (int32_t)q_val; |
| } |
| |
| #define MSA_FLOAT_COND(DEST, OP, ARG1, ARG2, BITS, QUIET) \ |
| do { \ |
| float_status *status = &env->active_tc.msa_fp_status; \ |
| int c; \ |
| int64_t cond; \ |
| set_float_exception_flags(0, status); \ |
| if (!QUIET) { \ |
| cond = float ## BITS ## _ ## OP(ARG1, ARG2, status); \ |
| } else { \ |
| cond = float ## BITS ## _ ## OP ## _quiet(ARG1, ARG2, status); \ |
| } \ |
| DEST = cond ? M_MAX_UINT(BITS) : 0; \ |
| c = update_msacsr(env, CLEAR_IS_INEXACT, 0); \ |
| \ |
| if (get_enabled_exceptions(env, c)) { \ |
| DEST = ((FLOAT_SNAN ## BITS(status) >> 6) << 6) | c; \ |
| } \ |
| } while (0) |
| |
| #define MSA_FLOAT_AF(DEST, ARG1, ARG2, BITS, QUIET) \ |
| do { \ |
| MSA_FLOAT_COND(DEST, eq, ARG1, ARG2, BITS, QUIET); \ |
| if ((DEST & M_MAX_UINT(BITS)) == M_MAX_UINT(BITS)) { \ |
| DEST = 0; \ |
| } \ |
| } while (0) |
| |
| #define MSA_FLOAT_UEQ(DEST, ARG1, ARG2, BITS, QUIET) \ |
| do { \ |
| MSA_FLOAT_COND(DEST, unordered, ARG1, ARG2, BITS, QUIET); \ |
| if (DEST == 0) { \ |
| MSA_FLOAT_COND(DEST, eq, ARG1, ARG2, BITS, QUIET); \ |
| } \ |
| } while (0) |
| |
| #define MSA_FLOAT_NE(DEST, ARG1, ARG2, BITS, QUIET) \ |
| do { \ |
| MSA_FLOAT_COND(DEST, lt, ARG1, ARG2, BITS, QUIET); \ |
| if (DEST == 0) { \ |
| MSA_FLOAT_COND(DEST, lt, ARG2, ARG1, BITS, QUIET); \ |
| } \ |
| } while (0) |
| |
| #define MSA_FLOAT_UNE(DEST, ARG1, ARG2, BITS, QUIET) \ |
| do { \ |
| MSA_FLOAT_COND(DEST, unordered, ARG1, ARG2, BITS, QUIET); \ |
| if (DEST == 0) { \ |
| MSA_FLOAT_COND(DEST, lt, ARG1, ARG2, BITS, QUIET); \ |
| if (DEST == 0) { \ |
| MSA_FLOAT_COND(DEST, lt, ARG2, ARG1, BITS, QUIET); \ |
| } \ |
| } \ |
| } while (0) |
| |
| #define MSA_FLOAT_ULE(DEST, ARG1, ARG2, BITS, QUIET) \ |
| do { \ |
| MSA_FLOAT_COND(DEST, unordered, ARG1, ARG2, BITS, QUIET); \ |
| if (DEST == 0) { \ |
| MSA_FLOAT_COND(DEST, le, ARG1, ARG2, BITS, QUIET); \ |
| } \ |
| } while (0) |
| |
| #define MSA_FLOAT_ULT(DEST, ARG1, ARG2, BITS, QUIET) \ |
| do { \ |
| MSA_FLOAT_COND(DEST, unordered, ARG1, ARG2, BITS, QUIET); \ |
| if (DEST == 0) { \ |
| MSA_FLOAT_COND(DEST, lt, ARG1, ARG2, BITS, QUIET); \ |
| } \ |
| } while (0) |
| |
| #define MSA_FLOAT_OR(DEST, ARG1, ARG2, BITS, QUIET) \ |
| do { \ |
| MSA_FLOAT_COND(DEST, le, ARG1, ARG2, BITS, QUIET); \ |
| if (DEST == 0) { \ |
| MSA_FLOAT_COND(DEST, le, ARG2, ARG1, BITS, QUIET); \ |
| } \ |
| } while (0) |
| |
| static inline void compare_af(CPUMIPSState *env, wr_t *pwd, wr_t *pws, |
| wr_t *pwt, uint32_t df, int quiet, |
| uintptr_t retaddr) |
| { |
| wr_t wx, *pwx = &wx; |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_AF(pwx->w[i], pws->w[i], pwt->w[i], 32, quiet); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_AF(pwx->d[i], pws->d[i], pwt->d[i], 64, quiet); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, retaddr); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| static inline void compare_un(CPUMIPSState *env, wr_t *pwd, wr_t *pws, |
| wr_t *pwt, uint32_t df, int quiet, |
| uintptr_t retaddr) |
| { |
| wr_t wx, *pwx = &wx; |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_COND(pwx->w[i], unordered, pws->w[i], pwt->w[i], 32, |
| quiet); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_COND(pwx->d[i], unordered, pws->d[i], pwt->d[i], 64, |
| quiet); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, retaddr); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| static inline void compare_eq(CPUMIPSState *env, wr_t *pwd, wr_t *pws, |
| wr_t *pwt, uint32_t df, int quiet, |
| uintptr_t retaddr) |
| { |
| wr_t wx, *pwx = &wx; |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_COND(pwx->w[i], eq, pws->w[i], pwt->w[i], 32, quiet); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_COND(pwx->d[i], eq, pws->d[i], pwt->d[i], 64, quiet); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, retaddr); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| static inline void compare_ueq(CPUMIPSState *env, wr_t *pwd, wr_t *pws, |
| wr_t *pwt, uint32_t df, int quiet, |
| uintptr_t retaddr) |
| { |
| wr_t wx, *pwx = &wx; |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UEQ(pwx->w[i], pws->w[i], pwt->w[i], 32, quiet); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UEQ(pwx->d[i], pws->d[i], pwt->d[i], 64, quiet); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, retaddr); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| static inline void compare_lt(CPUMIPSState *env, wr_t *pwd, wr_t *pws, |
| wr_t *pwt, uint32_t df, int quiet, |
| uintptr_t retaddr) |
| { |
| wr_t wx, *pwx = &wx; |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_COND(pwx->w[i], lt, pws->w[i], pwt->w[i], 32, quiet); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_COND(pwx->d[i], lt, pws->d[i], pwt->d[i], 64, quiet); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, retaddr); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| static inline void compare_ult(CPUMIPSState *env, wr_t *pwd, wr_t *pws, |
| wr_t *pwt, uint32_t df, int quiet, |
| uintptr_t retaddr) |
| { |
| wr_t wx, *pwx = &wx; |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_ULT(pwx->w[i], pws->w[i], pwt->w[i], 32, quiet); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_ULT(pwx->d[i], pws->d[i], pwt->d[i], 64, quiet); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, retaddr); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| static inline void compare_le(CPUMIPSState *env, wr_t *pwd, wr_t *pws, |
| wr_t *pwt, uint32_t df, int quiet, |
| uintptr_t retaddr) |
| { |
| wr_t wx, *pwx = &wx; |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_COND(pwx->w[i], le, pws->w[i], pwt->w[i], 32, quiet); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_COND(pwx->d[i], le, pws->d[i], pwt->d[i], 64, quiet); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, retaddr); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| static inline void compare_ule(CPUMIPSState *env, wr_t *pwd, wr_t *pws, |
| wr_t *pwt, uint32_t df, int quiet, |
| uintptr_t retaddr) |
| { |
| wr_t wx, *pwx = &wx; |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_ULE(pwx->w[i], pws->w[i], pwt->w[i], 32, quiet); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_ULE(pwx->d[i], pws->d[i], pwt->d[i], 64, quiet); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, retaddr); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| static inline void compare_or(CPUMIPSState *env, wr_t *pwd, wr_t *pws, |
| wr_t *pwt, uint32_t df, int quiet, |
| uintptr_t retaddr) |
| { |
| wr_t wx, *pwx = &wx; |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_OR(pwx->w[i], pws->w[i], pwt->w[i], 32, quiet); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_OR(pwx->d[i], pws->d[i], pwt->d[i], 64, quiet); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, retaddr); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| static inline void compare_une(CPUMIPSState *env, wr_t *pwd, wr_t *pws, |
| wr_t *pwt, uint32_t df, int quiet, |
| uintptr_t retaddr) |
| { |
| wr_t wx, *pwx = &wx; |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UNE(pwx->w[i], pws->w[i], pwt->w[i], 32, quiet); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNE(pwx->d[i], pws->d[i], pwt->d[i], 64, quiet); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, retaddr); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| static inline void compare_ne(CPUMIPSState *env, wr_t *pwd, wr_t *pws, |
| wr_t *pwt, uint32_t df, int quiet, |
| uintptr_t retaddr) |
| { |
| wr_t wx, *pwx = &wx; |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_NE(pwx->w[i], pws->w[i], pwt->w[i], 32, quiet); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_NE(pwx->d[i], pws->d[i], pwt->d[i], 64, quiet); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, retaddr); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fcaf_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_af(env, pwd, pws, pwt, df, 1, GETPC()); |
| } |
| |
| void helper_msa_fcun_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_un(env, pwd, pws, pwt, df, 1, GETPC()); |
| } |
| |
| void helper_msa_fceq_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_eq(env, pwd, pws, pwt, df, 1, GETPC()); |
| } |
| |
| void helper_msa_fcueq_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_ueq(env, pwd, pws, pwt, df, 1, GETPC()); |
| } |
| |
| void helper_msa_fclt_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_lt(env, pwd, pws, pwt, df, 1, GETPC()); |
| } |
| |
| void helper_msa_fcult_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_ult(env, pwd, pws, pwt, df, 1, GETPC()); |
| } |
| |
| void helper_msa_fcle_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_le(env, pwd, pws, pwt, df, 1, GETPC()); |
| } |
| |
| void helper_msa_fcule_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_ule(env, pwd, pws, pwt, df, 1, GETPC()); |
| } |
| |
| void helper_msa_fsaf_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_af(env, pwd, pws, pwt, df, 0, GETPC()); |
| } |
| |
| void helper_msa_fsun_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_un(env, pwd, pws, pwt, df, 0, GETPC()); |
| } |
| |
| void helper_msa_fseq_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_eq(env, pwd, pws, pwt, df, 0, GETPC()); |
| } |
| |
| void helper_msa_fsueq_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_ueq(env, pwd, pws, pwt, df, 0, GETPC()); |
| } |
| |
| void helper_msa_fslt_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_lt(env, pwd, pws, pwt, df, 0, GETPC()); |
| } |
| |
| void helper_msa_fsult_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_ult(env, pwd, pws, pwt, df, 0, GETPC()); |
| } |
| |
| void helper_msa_fsle_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_le(env, pwd, pws, pwt, df, 0, GETPC()); |
| } |
| |
| void helper_msa_fsule_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_ule(env, pwd, pws, pwt, df, 0, GETPC()); |
| } |
| |
| void helper_msa_fcor_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_or(env, pwd, pws, pwt, df, 1, GETPC()); |
| } |
| |
| void helper_msa_fcune_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_une(env, pwd, pws, pwt, df, 1, GETPC()); |
| } |
| |
| void helper_msa_fcne_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_ne(env, pwd, pws, pwt, df, 1, GETPC()); |
| } |
| |
| void helper_msa_fsor_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_or(env, pwd, pws, pwt, df, 0, GETPC()); |
| } |
| |
| void helper_msa_fsune_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_une(env, pwd, pws, pwt, df, 0, GETPC()); |
| } |
| |
| void helper_msa_fsne_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| compare_ne(env, pwd, pws, pwt, df, 0, GETPC()); |
| } |
| |
| #define float16_is_zero(ARG) 0 |
| #define float16_is_zero_or_denormal(ARG) 0 |
| |
| #define IS_DENORMAL(ARG, BITS) \ |
| (!float ## BITS ## _is_zero(ARG) \ |
| && float ## BITS ## _is_zero_or_denormal(ARG)) |
| |
| #define MSA_FLOAT_BINOP(DEST, OP, ARG1, ARG2, BITS) \ |
| do { \ |
| float_status *status = &env->active_tc.msa_fp_status; \ |
| int c; \ |
| \ |
| set_float_exception_flags(0, status); \ |
| DEST = float ## BITS ## _ ## OP(ARG1, ARG2, status); \ |
| c = update_msacsr(env, 0, IS_DENORMAL(DEST, BITS)); \ |
| \ |
| if (get_enabled_exceptions(env, c)) { \ |
| DEST = ((FLOAT_SNAN ## BITS(status) >> 6) << 6) | c; \ |
| } \ |
| } while (0) |
| |
| void helper_msa_fadd_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_BINOP(pwx->w[i], add, pws->w[i], pwt->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_BINOP(pwx->d[i], add, pws->d[i], pwt->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fsub_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_BINOP(pwx->w[i], sub, pws->w[i], pwt->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_BINOP(pwx->d[i], sub, pws->d[i], pwt->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fmul_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_BINOP(pwx->w[i], mul, pws->w[i], pwt->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_BINOP(pwx->d[i], mul, pws->d[i], pwt->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fdiv_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_BINOP(pwx->w[i], div, pws->w[i], pwt->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_BINOP(pwx->d[i], div, pws->d[i], pwt->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| #define MSA_FLOAT_MULADD(DEST, ARG1, ARG2, ARG3, NEGATE, BITS) \ |
| do { \ |
| float_status *status = &env->active_tc.msa_fp_status; \ |
| int c; \ |
| \ |
| set_float_exception_flags(0, status); \ |
| DEST = float ## BITS ## _muladd(ARG2, ARG3, ARG1, NEGATE, status); \ |
| c = update_msacsr(env, 0, IS_DENORMAL(DEST, BITS)); \ |
| \ |
| if (get_enabled_exceptions(env, c)) { \ |
| DEST = ((FLOAT_SNAN ## BITS(status) >> 6) << 6) | c; \ |
| } \ |
| } while (0) |
| |
| void helper_msa_fmadd_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_MULADD(pwx->w[i], pwd->w[i], |
| pws->w[i], pwt->w[i], 0, 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_MULADD(pwx->d[i], pwd->d[i], |
| pws->d[i], pwt->d[i], 0, 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fmsub_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_MULADD(pwx->w[i], pwd->w[i], |
| pws->w[i], pwt->w[i], |
| float_muladd_negate_product, 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_MULADD(pwx->d[i], pwd->d[i], |
| pws->d[i], pwt->d[i], |
| float_muladd_negate_product, 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fexp2_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_BINOP(pwx->w[i], scalbn, pws->w[i], |
| pwt->w[i] > 0x200 ? 0x200 : |
| pwt->w[i] < -0x200 ? -0x200 : pwt->w[i], |
| 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_BINOP(pwx->d[i], scalbn, pws->d[i], |
| pwt->d[i] > 0x1000 ? 0x1000 : |
| pwt->d[i] < -0x1000 ? -0x1000 : pwt->d[i], |
| 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| #define MSA_FLOAT_UNOP(DEST, OP, ARG, BITS) \ |
| do { \ |
| float_status *status = &env->active_tc.msa_fp_status; \ |
| int c; \ |
| \ |
| set_float_exception_flags(0, status); \ |
| DEST = float ## BITS ## _ ## OP(ARG, status); \ |
| c = update_msacsr(env, 0, IS_DENORMAL(DEST, BITS)); \ |
| \ |
| if (get_enabled_exceptions(env, c)) { \ |
| DEST = ((FLOAT_SNAN ## BITS(status) >> 6) << 6) | c; \ |
| } \ |
| } while (0) |
| |
| void helper_msa_fexdo_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| /* Half precision floats come in two formats: standard |
| IEEE and "ARM" format. The latter gains extra exponent |
| range by omitting the NaN/Inf encodings. */ |
| flag ieee = 1; |
| |
| MSA_FLOAT_BINOP(Lh(pwx, i), from_float32, pws->w[i], ieee, 16); |
| MSA_FLOAT_BINOP(Rh(pwx, i), from_float32, pwt->w[i], ieee, 16); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP(Lw(pwx, i), from_float64, pws->d[i], 32); |
| MSA_FLOAT_UNOP(Rw(pwx, i), from_float64, pwt->d[i], 32); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| msa_move_v(pwd, pwx); |
| } |
| |
| #define MSA_FLOAT_UNOP_XD(DEST, OP, ARG, BITS, XBITS) \ |
| do { \ |
| float_status *status = &env->active_tc.msa_fp_status; \ |
| int c; \ |
| \ |
| set_float_exception_flags(0, status); \ |
| DEST = float ## BITS ## _ ## OP(ARG, status); \ |
| c = update_msacsr(env, CLEAR_FS_UNDERFLOW, 0); \ |
| \ |
| if (get_enabled_exceptions(env, c)) { \ |
| DEST = ((FLOAT_SNAN ## XBITS(status) >> 6) << 6) | c; \ |
| } \ |
| } while (0) |
| |
| void helper_msa_ftq_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UNOP_XD(Lh(pwx, i), to_q16, pws->w[i], 32, 16); |
| MSA_FLOAT_UNOP_XD(Rh(pwx, i), to_q16, pwt->w[i], 32, 16); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP_XD(Lw(pwx, i), to_q32, pws->d[i], 64, 32); |
| MSA_FLOAT_UNOP_XD(Rw(pwx, i), to_q32, pwt->d[i], 64, 32); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| #define NUMBER_QNAN_PAIR(ARG1, ARG2, BITS, STATUS) \ |
| !float ## BITS ## _is_any_nan(ARG1) \ |
| && float ## BITS ## _is_quiet_nan(ARG2, STATUS) |
| |
| #define MSA_FLOAT_MAXOP(DEST, OP, ARG1, ARG2, BITS) \ |
| do { \ |
| float_status *status = &env->active_tc.msa_fp_status; \ |
| int c; \ |
| \ |
| set_float_exception_flags(0, status); \ |
| DEST = float ## BITS ## _ ## OP(ARG1, ARG2, status); \ |
| c = update_msacsr(env, 0, 0); \ |
| \ |
| if (get_enabled_exceptions(env, c)) { \ |
| DEST = ((FLOAT_SNAN ## BITS(status) >> 6) << 6) | c; \ |
| } \ |
| } while (0) |
| |
| #define FMAXMIN_A(F, G, X, _S, _T, BITS, STATUS) \ |
| do { \ |
| uint## BITS ##_t S = _S, T = _T; \ |
| uint## BITS ##_t as, at, xs, xt, xd; \ |
| if (NUMBER_QNAN_PAIR(S, T, BITS, STATUS)) { \ |
| T = S; \ |
| } \ |
| else if (NUMBER_QNAN_PAIR(T, S, BITS, STATUS)) { \ |
| S = T; \ |
| } \ |
| as = float## BITS ##_abs(S); \ |
| at = float## BITS ##_abs(T); \ |
| MSA_FLOAT_MAXOP(xs, F, S, T, BITS); \ |
| MSA_FLOAT_MAXOP(xt, G, S, T, BITS); \ |
| MSA_FLOAT_MAXOP(xd, F, as, at, BITS); \ |
| X = (as == at || xd == float## BITS ##_abs(xs)) ? xs : xt; \ |
| } while (0) |
| |
| void helper_msa_fmin_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| float_status *status = &env->active_tc.msa_fp_status; |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| if (NUMBER_QNAN_PAIR(pws->w[i], pwt->w[i], 32, status)) { |
| MSA_FLOAT_MAXOP(pwx->w[i], min, pws->w[i], pws->w[i], 32); |
| } else if (NUMBER_QNAN_PAIR(pwt->w[i], pws->w[i], 32, status)) { |
| MSA_FLOAT_MAXOP(pwx->w[i], min, pwt->w[i], pwt->w[i], 32); |
| } else { |
| MSA_FLOAT_MAXOP(pwx->w[i], min, pws->w[i], pwt->w[i], 32); |
| } |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| if (NUMBER_QNAN_PAIR(pws->d[i], pwt->d[i], 64, status)) { |
| MSA_FLOAT_MAXOP(pwx->d[i], min, pws->d[i], pws->d[i], 64); |
| } else if (NUMBER_QNAN_PAIR(pwt->d[i], pws->d[i], 64, status)) { |
| MSA_FLOAT_MAXOP(pwx->d[i], min, pwt->d[i], pwt->d[i], 64); |
| } else { |
| MSA_FLOAT_MAXOP(pwx->d[i], min, pws->d[i], pwt->d[i], 64); |
| } |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fmin_a_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| float_status *status = &env->active_tc.msa_fp_status; |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| FMAXMIN_A(min, max, pwx->w[i], pws->w[i], pwt->w[i], 32, status); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| FMAXMIN_A(min, max, pwx->d[i], pws->d[i], pwt->d[i], 64, status); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fmax_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| float_status *status = &env->active_tc.msa_fp_status; |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| if (NUMBER_QNAN_PAIR(pws->w[i], pwt->w[i], 32, status)) { |
| MSA_FLOAT_MAXOP(pwx->w[i], max, pws->w[i], pws->w[i], 32); |
| } else if (NUMBER_QNAN_PAIR(pwt->w[i], pws->w[i], 32, status)) { |
| MSA_FLOAT_MAXOP(pwx->w[i], max, pwt->w[i], pwt->w[i], 32); |
| } else { |
| MSA_FLOAT_MAXOP(pwx->w[i], max, pws->w[i], pwt->w[i], 32); |
| } |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| if (NUMBER_QNAN_PAIR(pws->d[i], pwt->d[i], 64, status)) { |
| MSA_FLOAT_MAXOP(pwx->d[i], max, pws->d[i], pws->d[i], 64); |
| } else if (NUMBER_QNAN_PAIR(pwt->d[i], pws->d[i], 64, status)) { |
| MSA_FLOAT_MAXOP(pwx->d[i], max, pwt->d[i], pwt->d[i], 64); |
| } else { |
| MSA_FLOAT_MAXOP(pwx->d[i], max, pws->d[i], pwt->d[i], 64); |
| } |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fmax_a_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws, uint32_t wt) |
| { |
| float_status *status = &env->active_tc.msa_fp_status; |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| wr_t *pwt = &(env->active_fpu.fpr[wt].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| FMAXMIN_A(max, min, pwx->w[i], pws->w[i], pwt->w[i], 32, status); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| FMAXMIN_A(max, min, pwx->d[i], pws->d[i], pwt->d[i], 64, status); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fclass_df(CPUMIPSState *env, uint32_t df, |
| uint32_t wd, uint32_t ws) |
| { |
| float_status* status = &env->active_tc.msa_fp_status; |
| |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| if (df == DF_WORD) { |
| pwd->w[0] = float_class_s(pws->w[0], status); |
| pwd->w[1] = float_class_s(pws->w[1], status); |
| pwd->w[2] = float_class_s(pws->w[2], status); |
| pwd->w[3] = float_class_s(pws->w[3], status); |
| } else { |
| pwd->d[0] = float_class_d(pws->d[0], status); |
| pwd->d[1] = float_class_d(pws->d[1], status); |
| } |
| } |
| |
| #define MSA_FLOAT_UNOP0(DEST, OP, ARG, BITS) \ |
| do { \ |
| float_status *status = &env->active_tc.msa_fp_status; \ |
| int c; \ |
| \ |
| set_float_exception_flags(0, status); \ |
| DEST = float ## BITS ## _ ## OP(ARG, status); \ |
| c = update_msacsr(env, CLEAR_FS_UNDERFLOW, 0); \ |
| \ |
| if (get_enabled_exceptions(env, c)) { \ |
| DEST = ((FLOAT_SNAN ## BITS(status) >> 6) << 6) | c; \ |
| } else if (float ## BITS ## _is_any_nan(ARG)) { \ |
| DEST = 0; \ |
| } \ |
| } while (0) |
| |
| void helper_msa_ftrunc_s_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UNOP0(pwx->w[i], to_int32_round_to_zero, pws->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP0(pwx->d[i], to_int64_round_to_zero, pws->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_ftrunc_u_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UNOP0(pwx->w[i], to_uint32_round_to_zero, pws->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP0(pwx->d[i], to_uint64_round_to_zero, pws->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fsqrt_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UNOP(pwx->w[i], sqrt, pws->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP(pwx->d[i], sqrt, pws->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| #define MSA_FLOAT_RECIPROCAL(DEST, ARG, BITS) \ |
| do { \ |
| float_status *status = &env->active_tc.msa_fp_status; \ |
| int c; \ |
| \ |
| set_float_exception_flags(0, status); \ |
| DEST = float ## BITS ## _ ## div(FLOAT_ONE ## BITS, ARG, status); \ |
| c = update_msacsr(env, float ## BITS ## _is_infinity(ARG) || \ |
| float ## BITS ## _is_quiet_nan(DEST, status) ? \ |
| 0 : RECIPROCAL_INEXACT, \ |
| IS_DENORMAL(DEST, BITS)); \ |
| \ |
| if (get_enabled_exceptions(env, c)) { \ |
| DEST = ((FLOAT_SNAN ## BITS(status) >> 6) << 6) | c; \ |
| } \ |
| } while (0) |
| |
| void helper_msa_frsqrt_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_RECIPROCAL(pwx->w[i], float32_sqrt(pws->w[i], |
| &env->active_tc.msa_fp_status), 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_RECIPROCAL(pwx->d[i], float64_sqrt(pws->d[i], |
| &env->active_tc.msa_fp_status), 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_frcp_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_RECIPROCAL(pwx->w[i], pws->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_RECIPROCAL(pwx->d[i], pws->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_frint_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UNOP(pwx->w[i], round_to_int, pws->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP(pwx->d[i], round_to_int, pws->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| #define MSA_FLOAT_LOGB(DEST, ARG, BITS) \ |
| do { \ |
| float_status *status = &env->active_tc.msa_fp_status; \ |
| int c; \ |
| \ |
| set_float_exception_flags(0, status); \ |
| set_float_rounding_mode(float_round_down, status); \ |
| DEST = float ## BITS ## _ ## log2(ARG, status); \ |
| DEST = float ## BITS ## _ ## round_to_int(DEST, status); \ |
| set_float_rounding_mode(ieee_rm[(env->active_tc.msacsr & \ |
| MSACSR_RM_MASK) >> MSACSR_RM], \ |
| status); \ |
| \ |
| set_float_exception_flags(get_float_exception_flags(status) & \ |
| (~float_flag_inexact), \ |
| status); \ |
| \ |
| c = update_msacsr(env, 0, IS_DENORMAL(DEST, BITS)); \ |
| \ |
| if (get_enabled_exceptions(env, c)) { \ |
| DEST = ((FLOAT_SNAN ## BITS(status) >> 6) << 6) | c; \ |
| } \ |
| } while (0) |
| |
| void helper_msa_flog2_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_LOGB(pwx->w[i], pws->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_LOGB(pwx->d[i], pws->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fexupl_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| /* Half precision floats come in two formats: standard |
| IEEE and "ARM" format. The latter gains extra exponent |
| range by omitting the NaN/Inf encodings. */ |
| flag ieee = 1; |
| |
| MSA_FLOAT_BINOP(pwx->w[i], from_float16, Lh(pws, i), ieee, 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP(pwx->d[i], from_float32, Lw(pws, i), 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_fexupr_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| /* Half precision floats come in two formats: standard |
| IEEE and "ARM" format. The latter gains extra exponent |
| range by omitting the NaN/Inf encodings. */ |
| flag ieee = 1; |
| |
| MSA_FLOAT_BINOP(pwx->w[i], from_float16, Rh(pws, i), ieee, 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP(pwx->d[i], from_float32, Rw(pws, i), 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_ffql_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| 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_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UNOP(pwx->w[i], from_q16, Lh(pws, i), 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP(pwx->d[i], from_q32, Lw(pws, i), 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_ffqr_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| 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_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UNOP(pwx->w[i], from_q16, Rh(pws, i), 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP(pwx->d[i], from_q32, Rw(pws, i), 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_ftint_s_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UNOP0(pwx->w[i], to_int32, pws->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP0(pwx->d[i], to_int64, pws->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_ftint_u_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UNOP0(pwx->w[i], to_uint32, pws->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP0(pwx->d[i], to_uint64, pws->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| #define float32_from_int32 int32_to_float32 |
| #define float32_from_uint32 uint32_to_float32 |
| |
| #define float64_from_int64 int64_to_float64 |
| #define float64_from_uint64 uint64_to_float64 |
| |
| void helper_msa_ffint_s_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UNOP(pwx->w[i], from_int32, pws->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP(pwx->d[i], from_int64, pws->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |
| |
| void helper_msa_ffint_u_df(CPUMIPSState *env, uint32_t df, uint32_t wd, |
| uint32_t ws) |
| { |
| wr_t wx, *pwx = &wx; |
| wr_t *pwd = &(env->active_fpu.fpr[wd].wr); |
| wr_t *pws = &(env->active_fpu.fpr[ws].wr); |
| uint32_t i; |
| |
| clear_msacsr_cause(env); |
| |
| switch (df) { |
| case DF_WORD: |
| for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { |
| MSA_FLOAT_UNOP(pwx->w[i], from_uint32, pws->w[i], 32); |
| } |
| break; |
| case DF_DOUBLE: |
| for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { |
| MSA_FLOAT_UNOP(pwx->d[i], from_uint64, pws->d[i], 64); |
| } |
| break; |
| default: |
| assert(0); |
| } |
| |
| check_msacsr_cause(env, GETPC()); |
| |
| msa_move_v(pwd, pwx); |
| } |