2014-11-01 06:28:41 +01:00
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/*
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* MIPS SIMD Architecture Module Instruction emulation helpers for QEMU.
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*
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* Copyright (c) 2014 Imagination Technologies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "cpu.h"
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#include "exec/helper-proto.h"
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/* Data format min and max values */
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#define DF_BITS(df) (1 << ((df) + 3))
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#define DF_MAX_INT(df) (int64_t)((1LL << (DF_BITS(df) - 1)) - 1)
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#define M_MAX_INT(m) (int64_t)((1LL << ((m) - 1)) - 1)
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#define DF_MIN_INT(df) (int64_t)(-(1LL << (DF_BITS(df) - 1)))
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#define M_MIN_INT(m) (int64_t)(-(1LL << ((m) - 1)))
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#define DF_MAX_UINT(df) (uint64_t)(-1ULL >> (64 - DF_BITS(df)))
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#define M_MAX_UINT(m) (uint64_t)(-1ULL >> (64 - (m)))
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#define UNSIGNED(x, df) ((x) & DF_MAX_UINT(df))
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#define SIGNED(x, df) \
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((((int64_t)x) << (64 - DF_BITS(df))) >> (64 - DF_BITS(df)))
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/* Element-by-element access macros */
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#define DF_ELEMENTS(df) (MSA_WRLEN / DF_BITS(df))
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static inline void msa_move_v(wr_t *pwd, wr_t *pws)
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{
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uint32_t i;
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for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) {
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pwd->d[i] = pws->d[i];
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}
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}
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2014-11-01 06:28:43 +01:00
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#define MSA_FN_IMM8(FUNC, DEST, OPERATION) \
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void helper_msa_ ## FUNC(CPUMIPSState *env, uint32_t wd, uint32_t ws, \
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uint32_t i8) \
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{ \
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wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \
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wr_t *pws = &(env->active_fpu.fpr[ws].wr); \
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uint32_t i; \
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for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) { \
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DEST = OPERATION; \
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} \
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}
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MSA_FN_IMM8(andi_b, pwd->b[i], pws->b[i] & i8)
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MSA_FN_IMM8(ori_b, pwd->b[i], pws->b[i] | i8)
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MSA_FN_IMM8(nori_b, pwd->b[i], ~(pws->b[i] | i8))
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MSA_FN_IMM8(xori_b, pwd->b[i], pws->b[i] ^ i8)
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#define BIT_MOVE_IF_NOT_ZERO(dest, arg1, arg2, df) \
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UNSIGNED(((dest & (~arg2)) | (arg1 & arg2)), df)
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MSA_FN_IMM8(bmnzi_b, pwd->b[i],
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BIT_MOVE_IF_NOT_ZERO(pwd->b[i], pws->b[i], i8, DF_BYTE))
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#define BIT_MOVE_IF_ZERO(dest, arg1, arg2, df) \
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UNSIGNED((dest & arg2) | (arg1 & (~arg2)), df)
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MSA_FN_IMM8(bmzi_b, pwd->b[i],
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BIT_MOVE_IF_ZERO(pwd->b[i], pws->b[i], i8, DF_BYTE))
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#define BIT_SELECT(dest, arg1, arg2, df) \
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UNSIGNED((arg1 & (~dest)) | (arg2 & dest), df)
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MSA_FN_IMM8(bseli_b, pwd->b[i],
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BIT_SELECT(pwd->b[i], pws->b[i], i8, DF_BYTE))
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#undef MSA_FN_IMM8
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#define SHF_POS(i, imm) (((i) & 0xfc) + (((imm) >> (2 * ((i) & 0x03))) & 0x03))
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void helper_msa_shf_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
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uint32_t ws, uint32_t imm)
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{
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wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
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wr_t *pws = &(env->active_fpu.fpr[ws].wr);
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wr_t wx, *pwx = &wx;
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uint32_t i;
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switch (df) {
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case DF_BYTE:
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for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) {
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pwx->b[i] = pws->b[SHF_POS(i, imm)];
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}
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break;
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case DF_HALF:
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for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) {
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pwx->h[i] = pws->h[SHF_POS(i, imm)];
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}
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break;
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case DF_WORD:
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for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) {
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pwx->w[i] = pws->w[SHF_POS(i, imm)];
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}
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break;
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default:
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assert(0);
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}
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msa_move_v(pwd, pwx);
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}
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2014-11-01 06:28:44 +01:00
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static inline int64_t msa_addv_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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return arg1 + arg2;
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}
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static inline int64_t msa_subv_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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return arg1 - arg2;
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}
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static inline int64_t msa_ceq_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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return arg1 == arg2 ? -1 : 0;
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}
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static inline int64_t msa_cle_s_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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return arg1 <= arg2 ? -1 : 0;
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}
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static inline int64_t msa_cle_u_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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uint64_t u_arg1 = UNSIGNED(arg1, df);
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uint64_t u_arg2 = UNSIGNED(arg2, df);
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return u_arg1 <= u_arg2 ? -1 : 0;
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}
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static inline int64_t msa_clt_s_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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return arg1 < arg2 ? -1 : 0;
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}
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static inline int64_t msa_clt_u_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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uint64_t u_arg1 = UNSIGNED(arg1, df);
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uint64_t u_arg2 = UNSIGNED(arg2, df);
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return u_arg1 < u_arg2 ? -1 : 0;
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}
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static inline int64_t msa_max_s_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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return arg1 > arg2 ? arg1 : arg2;
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}
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static inline int64_t msa_max_u_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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uint64_t u_arg1 = UNSIGNED(arg1, df);
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uint64_t u_arg2 = UNSIGNED(arg2, df);
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return u_arg1 > u_arg2 ? arg1 : arg2;
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}
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static inline int64_t msa_min_s_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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return arg1 < arg2 ? arg1 : arg2;
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}
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static inline int64_t msa_min_u_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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uint64_t u_arg1 = UNSIGNED(arg1, df);
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uint64_t u_arg2 = UNSIGNED(arg2, df);
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return u_arg1 < u_arg2 ? arg1 : arg2;
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}
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#define MSA_BINOP_IMM_DF(helper, func) \
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void helper_msa_ ## helper ## _df(CPUMIPSState *env, uint32_t df, \
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uint32_t wd, uint32_t ws, int32_t u5) \
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{ \
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wr_t *pwd = &(env->active_fpu.fpr[wd].wr); \
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wr_t *pws = &(env->active_fpu.fpr[ws].wr); \
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uint32_t i; \
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\
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switch (df) { \
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case DF_BYTE: \
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for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) { \
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pwd->b[i] = msa_ ## func ## _df(df, pws->b[i], u5); \
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} \
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break; \
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case DF_HALF: \
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for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) { \
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pwd->h[i] = msa_ ## func ## _df(df, pws->h[i], u5); \
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} \
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break; \
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case DF_WORD: \
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for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) { \
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pwd->w[i] = msa_ ## func ## _df(df, pws->w[i], u5); \
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} \
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break; \
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case DF_DOUBLE: \
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for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) { \
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pwd->d[i] = msa_ ## func ## _df(df, pws->d[i], u5); \
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} \
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break; \
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default: \
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assert(0); \
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} \
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}
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MSA_BINOP_IMM_DF(addvi, addv)
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MSA_BINOP_IMM_DF(subvi, subv)
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MSA_BINOP_IMM_DF(ceqi, ceq)
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MSA_BINOP_IMM_DF(clei_s, cle_s)
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MSA_BINOP_IMM_DF(clei_u, cle_u)
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MSA_BINOP_IMM_DF(clti_s, clt_s)
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MSA_BINOP_IMM_DF(clti_u, clt_u)
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MSA_BINOP_IMM_DF(maxi_s, max_s)
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MSA_BINOP_IMM_DF(maxi_u, max_u)
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MSA_BINOP_IMM_DF(mini_s, min_s)
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MSA_BINOP_IMM_DF(mini_u, min_u)
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#undef MSA_BINOP_IMM_DF
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void helper_msa_ldi_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
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int32_t s10)
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{
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wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
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uint32_t i;
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switch (df) {
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case DF_BYTE:
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for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) {
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pwd->b[i] = (int8_t)s10;
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}
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break;
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case DF_HALF:
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for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) {
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pwd->h[i] = (int16_t)s10;
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}
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break;
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case DF_WORD:
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for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) {
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pwd->w[i] = (int32_t)s10;
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}
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break;
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case DF_DOUBLE:
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for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) {
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pwd->d[i] = (int64_t)s10;
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}
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break;
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default:
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assert(0);
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}
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}
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2014-11-01 06:28:45 +01:00
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/* Data format bit position and unsigned values */
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#define BIT_POSITION(x, df) ((uint64_t)(x) % DF_BITS(df))
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static inline int64_t msa_sll_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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int32_t b_arg2 = BIT_POSITION(arg2, df);
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return arg1 << b_arg2;
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}
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static inline int64_t msa_sra_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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int32_t b_arg2 = BIT_POSITION(arg2, df);
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return arg1 >> b_arg2;
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}
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static inline int64_t msa_srl_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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uint64_t u_arg1 = UNSIGNED(arg1, df);
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int32_t b_arg2 = BIT_POSITION(arg2, df);
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return u_arg1 >> b_arg2;
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}
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static inline int64_t msa_bclr_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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int32_t b_arg2 = BIT_POSITION(arg2, df);
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return UNSIGNED(arg1 & (~(1LL << b_arg2)), df);
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}
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static inline int64_t msa_bset_df(uint32_t df, int64_t arg1,
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int64_t arg2)
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{
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int32_t b_arg2 = BIT_POSITION(arg2, df);
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return UNSIGNED(arg1 | (1LL << b_arg2), df);
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}
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static inline int64_t msa_bneg_df(uint32_t df, int64_t arg1, int64_t arg2)
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{
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int32_t b_arg2 = BIT_POSITION(arg2, df);
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return UNSIGNED(arg1 ^ (1LL << b_arg2), df);
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}
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static inline int64_t msa_binsl_df(uint32_t df, int64_t dest, int64_t arg1,
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int64_t arg2)
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{
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uint64_t u_arg1 = UNSIGNED(arg1, df);
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uint64_t u_dest = UNSIGNED(dest, df);
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int32_t sh_d = BIT_POSITION(arg2, df) + 1;
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int32_t sh_a = DF_BITS(df) - sh_d;
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if (sh_d == DF_BITS(df)) {
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return u_arg1;
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} else {
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return UNSIGNED(UNSIGNED(u_dest << sh_d, df) >> sh_d, df) |
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UNSIGNED(UNSIGNED(u_arg1 >> sh_a, df) << sh_a, df);
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}
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}
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static inline int64_t msa_binsr_df(uint32_t df, int64_t dest, int64_t arg1,
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int64_t arg2)
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{
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uint64_t u_arg1 = UNSIGNED(arg1, df);
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|
|
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
|
2014-11-01 06:28:46 +01:00
|
|
|
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
|
|
|
|
#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)
|
|
|
|
#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));
|
|
|
|
}
|
|
|
|
|
|
|
|
#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)
|
|
|
|
#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
|
2014-11-01 06:28:47 +01:00
|
|
|
|
|
|
|
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;
|
|
|
|
/* set float_status rounding mode */
|
|
|
|
set_float_rounding_mode(
|
|
|
|
ieee_rm[(env->active_tc.msacsr & MSACSR_RM_MASK) >> MSACSR_RM],
|
|
|
|
&env->active_tc.msa_fp_status);
|
|
|
|
/* set float_status flush modes */
|
|
|
|
set_flush_to_zero(
|
|
|
|
(env->active_tc.msacsr & MSACSR_FS_MASK) != 0 ? 1 : 0,
|
|
|
|
&env->active_tc.msa_fp_status);
|
|
|
|
set_flush_inputs_to_zero(
|
|
|
|
(env->active_tc.msacsr & MSACSR_FS_MASK) != 0 ? 1 : 0,
|
|
|
|
&env->active_tc.msa_fp_status);
|
|
|
|
/* check exception */
|
|
|
|
if ((GET_FP_ENABLE(env->active_tc.msacsr) | FP_UNIMPLEMENTED)
|
|
|
|
& GET_FP_CAUSE(env->active_tc.msacsr)) {
|
|
|
|
helper_raise_exception(env, EXCP_MSAFPE);
|
|
|
|
}
|
|
|
|
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);
|
|
|
|
}
|