diff options
Diffstat (limited to 'target/mips/tcg/msa_translate.c')
| -rw-r--r-- | target/mips/tcg/msa_translate.c | 799 |
1 files changed, 799 insertions, 0 deletions
diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translate.c new file mode 100644 index 000000000..7576b3ed8 --- /dev/null +++ b/target/mips/tcg/msa_translate.c @@ -0,0 +1,799 @@ +/* + * MIPS SIMD Architecture (MSA) translation routines + * + * Copyright (c) 2004-2005 Jocelyn Mayer + * Copyright (c) 2006 Marius Groeger (FPU operations) + * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support) + * Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support) + * Copyright (c) 2012 Jia Liu & Dongxue Zhang (MIPS ASE DSP support) + * Copyright (c) 2020 Philippe Mathieu-Daudé + * + * SPDX-License-Identifier: LGPL-2.1-or-later + */ +#include "qemu/osdep.h" +#include "tcg/tcg-op.h" +#include "exec/helper-gen.h" +#include "translate.h" +#include "fpu_helper.h" +#include "internal.h" + +static int elm_n(DisasContext *ctx, int x); +static int elm_df(DisasContext *ctx, int x); +static int bit_m(DisasContext *ctx, int x); +static int bit_df(DisasContext *ctx, int x); + +static inline int plus_1(DisasContext *s, int x) +{ + return x + 1; +} + +static inline int plus_2(DisasContext *s, int x) +{ + return x + 2; +} + +/* Include the auto-generated decoder. */ +#include "decode-msa.c.inc" + +static const char msaregnames[][6] = { + "w0.d0", "w0.d1", "w1.d0", "w1.d1", + "w2.d0", "w2.d1", "w3.d0", "w3.d1", + "w4.d0", "w4.d1", "w5.d0", "w5.d1", + "w6.d0", "w6.d1", "w7.d0", "w7.d1", + "w8.d0", "w8.d1", "w9.d0", "w9.d1", + "w10.d0", "w10.d1", "w11.d0", "w11.d1", + "w12.d0", "w12.d1", "w13.d0", "w13.d1", + "w14.d0", "w14.d1", "w15.d0", "w15.d1", + "w16.d0", "w16.d1", "w17.d0", "w17.d1", + "w18.d0", "w18.d1", "w19.d0", "w19.d1", + "w20.d0", "w20.d1", "w21.d0", "w21.d1", + "w22.d0", "w22.d1", "w23.d0", "w23.d1", + "w24.d0", "w24.d1", "w25.d0", "w25.d1", + "w26.d0", "w26.d1", "w27.d0", "w27.d1", + "w28.d0", "w28.d1", "w29.d0", "w29.d1", + "w30.d0", "w30.d1", "w31.d0", "w31.d1", +}; + +/* Encoding of Operation Field (must be indexed by CPUMIPSMSADataFormat) */ +struct dfe { + int start; + int length; + uint32_t mask; +}; + +/* + * Extract immediate from df/{m,n} format (used by ELM & BIT instructions). + * Returns the immediate value, or -1 if the format does not match. + */ +static int df_extract_val(DisasContext *ctx, int x, const struct dfe *s) +{ + for (unsigned i = 0; i < 4; i++) { + if (extract32(x, s->start, s->length) == s->mask) { + return extract32(x, 0, s->start); + } + } + return -1; +} + +/* + * Extract DataField from df/{m,n} format (used by ELM & BIT instructions). + * Returns the DataField, or -1 if the format does not match. + */ +static int df_extract_df(DisasContext *ctx, int x, const struct dfe *s) +{ + for (unsigned i = 0; i < 4; i++) { + if (extract32(x, s->start, s->length) == s->mask) { + return i; + } + } + return -1; +} + +static const struct dfe df_elm[] = { + /* Table 3.26 ELM Instruction Format */ + [DF_BYTE] = {4, 2, 0b00}, + [DF_HALF] = {3, 3, 0b100}, + [DF_WORD] = {2, 4, 0b1100}, + [DF_DOUBLE] = {1, 5, 0b11100} +}; + +static int elm_n(DisasContext *ctx, int x) +{ + return df_extract_val(ctx, x, df_elm); +} + +static int elm_df(DisasContext *ctx, int x) +{ + return df_extract_df(ctx, x, df_elm); +} + +static const struct dfe df_bit[] = { + /* Table 3.28 BIT Instruction Format */ + [DF_BYTE] = {3, 4, 0b1110}, + [DF_HALF] = {4, 3, 0b110}, + [DF_WORD] = {5, 2, 0b10}, + [DF_DOUBLE] = {6, 1, 0b0} +}; + +static int bit_m(DisasContext *ctx, int x) +{ + return df_extract_val(ctx, x, df_bit); +} + +static int bit_df(DisasContext *ctx, int x) +{ + return df_extract_df(ctx, x, df_bit); +} + +static TCGv_i64 msa_wr_d[64]; + +void msa_translate_init(void) +{ + int i; + + for (i = 0; i < 32; i++) { + int off; + + /* + * The MSA vector registers are mapped on the + * scalar floating-point unit (FPU) registers. + */ + off = offsetof(CPUMIPSState, active_fpu.fpr[i].wr.d[0]); + msa_wr_d[i * 2] = fpu_f64[i]; + + off = offsetof(CPUMIPSState, active_fpu.fpr[i].wr.d[1]); + msa_wr_d[i * 2 + 1] = + tcg_global_mem_new_i64(cpu_env, off, msaregnames[i * 2 + 1]); + } +} + +/* + * Check if MSA is enabled. + * This function is always called with MSA available. + * If MSA is disabled, raise an exception. + */ +static inline bool check_msa_enabled(DisasContext *ctx) +{ + if (unlikely((ctx->hflags & MIPS_HFLAG_FPU) && + !(ctx->hflags & MIPS_HFLAG_F64))) { + gen_reserved_instruction(ctx); + return false; + } + + if (unlikely(!(ctx->hflags & MIPS_HFLAG_MSA))) { + generate_exception_end(ctx, EXCP_MSADIS); + return false; + } + return true; +} + +typedef void gen_helper_piv(TCGv_ptr, TCGv_i32, TCGv); +typedef void gen_helper_pii(TCGv_ptr, TCGv_i32, TCGv_i32); +typedef void gen_helper_piii(TCGv_ptr, TCGv_i32, TCGv_i32, TCGv_i32); +typedef void gen_helper_piiii(TCGv_ptr, TCGv_i32, TCGv_i32, TCGv_i32, TCGv_i32); + +#define TRANS_DF_x(TYPE, NAME, trans_func, gen_func) \ + static gen_helper_p##TYPE * const NAME##_tab[4] = { \ + gen_func##_b, gen_func##_h, gen_func##_w, gen_func##_d \ + }; \ + TRANS(NAME, trans_func, NAME##_tab[a->df]) + +#define TRANS_DF_iv(NAME, trans_func, gen_func) \ + TRANS_DF_x(iv, NAME, trans_func, gen_func) + +#define TRANS_DF_ii(NAME, trans_func, gen_func) \ + TRANS_DF_x(ii, NAME, trans_func, gen_func) + +#define TRANS_DF_iii(NAME, trans_func, gen_func) \ + TRANS_DF_x(iii, NAME, trans_func, gen_func) + +#define TRANS_DF_iii_b(NAME, trans_func, gen_func) \ + static gen_helper_piii * const NAME##_tab[4] = { \ + NULL, gen_func##_h, gen_func##_w, gen_func##_d \ + }; \ + static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \ + { \ + return trans_func(ctx, a, NAME##_tab[a->df]); \ + } + +static void gen_check_zero_element(TCGv tresult, uint8_t df, uint8_t wt, + TCGCond cond) +{ + /* generates tcg ops to check if any element is 0 */ + /* Note this function only works with MSA_WRLEN = 128 */ + uint64_t eval_zero_or_big = dup_const(df, 1); + uint64_t eval_big = eval_zero_or_big << ((8 << df) - 1); + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + + tcg_gen_subi_i64(t0, msa_wr_d[wt << 1], eval_zero_or_big); + tcg_gen_andc_i64(t0, t0, msa_wr_d[wt << 1]); + tcg_gen_andi_i64(t0, t0, eval_big); + tcg_gen_subi_i64(t1, msa_wr_d[(wt << 1) + 1], eval_zero_or_big); + tcg_gen_andc_i64(t1, t1, msa_wr_d[(wt << 1) + 1]); + tcg_gen_andi_i64(t1, t1, eval_big); + tcg_gen_or_i64(t0, t0, t1); + /* if all bits are zero then all elements are not zero */ + /* if some bit is non-zero then some element is zero */ + tcg_gen_setcondi_i64(cond, t0, t0, 0); + tcg_gen_trunc_i64_tl(tresult, t0); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); +} + +static bool gen_msa_BxZ_V(DisasContext *ctx, int wt, int sa, TCGCond cond) +{ + TCGv_i64 t0; + + if (!check_msa_enabled(ctx)) { + return true; + } + + if (ctx->hflags & MIPS_HFLAG_BMASK) { + gen_reserved_instruction(ctx); + return true; + } + t0 = tcg_temp_new_i64(); + tcg_gen_or_i64(t0, msa_wr_d[wt << 1], msa_wr_d[(wt << 1) + 1]); + tcg_gen_setcondi_i64(cond, t0, t0, 0); + tcg_gen_trunc_i64_tl(bcond, t0); + tcg_temp_free_i64(t0); + + ctx->btarget = ctx->base.pc_next + (sa << 2) + 4; + + ctx->hflags |= MIPS_HFLAG_BC; + ctx->hflags |= MIPS_HFLAG_BDS32; + + return true; +} + +static bool trans_BZ_V(DisasContext *ctx, arg_msa_bz *a) +{ + return gen_msa_BxZ_V(ctx, a->wt, a->sa, TCG_COND_EQ); +} + +static bool trans_BNZ_V(DisasContext *ctx, arg_msa_bz *a) +{ + return gen_msa_BxZ_V(ctx, a->wt, a->sa, TCG_COND_NE); +} + +static bool gen_msa_BxZ(DisasContext *ctx, int df, int wt, int sa, bool if_not) +{ + if (!check_msa_enabled(ctx)) { + return true; + } + + if (ctx->hflags & MIPS_HFLAG_BMASK) { + gen_reserved_instruction(ctx); + return true; + } + + gen_check_zero_element(bcond, df, wt, if_not ? TCG_COND_EQ : TCG_COND_NE); + + ctx->btarget = ctx->base.pc_next + (sa << 2) + 4; + ctx->hflags |= MIPS_HFLAG_BC; + ctx->hflags |= MIPS_HFLAG_BDS32; + + return true; +} + +static bool trans_BZ(DisasContext *ctx, arg_msa_bz *a) +{ + return gen_msa_BxZ(ctx, a->df, a->wt, a->sa, false); +} + +static bool trans_BNZ(DisasContext *ctx, arg_msa_bz *a) +{ + return gen_msa_BxZ(ctx, a->df, a->wt, a->sa, true); +} + +static bool trans_msa_i8(DisasContext *ctx, arg_msa_i *a, + gen_helper_piii *gen_msa_i8) +{ + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_msa_i8(cpu_env, + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws), + tcg_constant_i32(a->sa)); + + return true; +} + +TRANS(ANDI, trans_msa_i8, gen_helper_msa_andi_b); +TRANS(ORI, trans_msa_i8, gen_helper_msa_ori_b); +TRANS(NORI, trans_msa_i8, gen_helper_msa_nori_b); +TRANS(XORI, trans_msa_i8, gen_helper_msa_xori_b); +TRANS(BMNZI, trans_msa_i8, gen_helper_msa_bmnzi_b); +TRANS(BMZI, trans_msa_i8, gen_helper_msa_bmzi_b); +TRANS(BSELI, trans_msa_i8, gen_helper_msa_bseli_b); + +static bool trans_SHF(DisasContext *ctx, arg_msa_i *a) +{ + if (a->df == DF_DOUBLE) { + return false; + } + + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_helper_msa_shf_df(cpu_env, + tcg_constant_i32(a->df), + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws), + tcg_constant_i32(a->sa)); + + return true; +} + +static bool trans_msa_i5(DisasContext *ctx, arg_msa_i *a, + gen_helper_piiii *gen_msa_i5) +{ + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_msa_i5(cpu_env, + tcg_constant_i32(a->df), + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws), + tcg_constant_i32(a->sa)); + + return true; +} + +TRANS(ADDVI, trans_msa_i5, gen_helper_msa_addvi_df); +TRANS(SUBVI, trans_msa_i5, gen_helper_msa_subvi_df); +TRANS(MAXI_S, trans_msa_i5, gen_helper_msa_maxi_s_df); +TRANS(MAXI_U, trans_msa_i5, gen_helper_msa_maxi_u_df); +TRANS(MINI_S, trans_msa_i5, gen_helper_msa_mini_s_df); +TRANS(MINI_U, trans_msa_i5, gen_helper_msa_mini_u_df); +TRANS(CLTI_S, trans_msa_i5, gen_helper_msa_clti_s_df); +TRANS(CLTI_U, trans_msa_i5, gen_helper_msa_clti_u_df); +TRANS(CLEI_S, trans_msa_i5, gen_helper_msa_clei_s_df); +TRANS(CLEI_U, trans_msa_i5, gen_helper_msa_clei_u_df); +TRANS(CEQI, trans_msa_i5, gen_helper_msa_ceqi_df); + +static bool trans_LDI(DisasContext *ctx, arg_msa_ldi *a) +{ + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_helper_msa_ldi_df(cpu_env, + tcg_constant_i32(a->df), + tcg_constant_i32(a->wd), + tcg_constant_i32(a->sa)); + + return true; +} + +static bool trans_msa_bit(DisasContext *ctx, arg_msa_bit *a, + gen_helper_piiii *gen_msa_bit) +{ + if (a->df < 0) { + return false; + } + + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_msa_bit(cpu_env, + tcg_constant_i32(a->df), + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws), + tcg_constant_i32(a->m)); + + return true; +} + +TRANS(SLLI, trans_msa_bit, gen_helper_msa_slli_df); +TRANS(SRAI, trans_msa_bit, gen_helper_msa_srai_df); +TRANS(SRLI, trans_msa_bit, gen_helper_msa_srli_df); +TRANS(BCLRI, trans_msa_bit, gen_helper_msa_bclri_df); +TRANS(BSETI, trans_msa_bit, gen_helper_msa_bseti_df); +TRANS(BNEGI, trans_msa_bit, gen_helper_msa_bnegi_df); +TRANS(BINSLI, trans_msa_bit, gen_helper_msa_binsli_df); +TRANS(BINSRI, trans_msa_bit, gen_helper_msa_binsri_df); +TRANS(SAT_S, trans_msa_bit, gen_helper_msa_sat_u_df); +TRANS(SAT_U, trans_msa_bit, gen_helper_msa_sat_u_df); +TRANS(SRARI, trans_msa_bit, gen_helper_msa_srari_df); +TRANS(SRLRI, trans_msa_bit, gen_helper_msa_srlri_df); + +static bool trans_msa_3rf(DisasContext *ctx, arg_msa_r *a, + gen_helper_piiii *gen_msa_3rf) +{ + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_msa_3rf(cpu_env, + tcg_constant_i32(a->df), + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws), + tcg_constant_i32(a->wt)); + + return true; +} + +static bool trans_msa_3r(DisasContext *ctx, arg_msa_r *a, + gen_helper_piii *gen_msa_3r) +{ + if (!gen_msa_3r) { + return false; + } + + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_msa_3r(cpu_env, + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws), + tcg_constant_i32(a->wt)); + + return true; +} + +TRANS(AND_V, trans_msa_3r, gen_helper_msa_and_v); +TRANS(OR_V, trans_msa_3r, gen_helper_msa_or_v); +TRANS(NOR_V, trans_msa_3r, gen_helper_msa_nor_v); +TRANS(XOR_V, trans_msa_3r, gen_helper_msa_xor_v); +TRANS(BMNZ_V, trans_msa_3r, gen_helper_msa_bmnz_v); +TRANS(BMZ_V, trans_msa_3r, gen_helper_msa_bmz_v); +TRANS(BSEL_V, trans_msa_3r, gen_helper_msa_bsel_v); + +TRANS_DF_iii(SLL, trans_msa_3r, gen_helper_msa_sll); +TRANS_DF_iii(SRA, trans_msa_3r, gen_helper_msa_sra); +TRANS_DF_iii(SRL, trans_msa_3r, gen_helper_msa_srl); +TRANS_DF_iii(BCLR, trans_msa_3r, gen_helper_msa_bclr); +TRANS_DF_iii(BSET, trans_msa_3r, gen_helper_msa_bset); +TRANS_DF_iii(BNEG, trans_msa_3r, gen_helper_msa_bneg); +TRANS_DF_iii(BINSL, trans_msa_3r, gen_helper_msa_binsl); +TRANS_DF_iii(BINSR, trans_msa_3r, gen_helper_msa_binsr); + +TRANS_DF_iii(ADDV, trans_msa_3r, gen_helper_msa_addv); +TRANS_DF_iii(SUBV, trans_msa_3r, gen_helper_msa_subv); +TRANS_DF_iii(MAX_S, trans_msa_3r, gen_helper_msa_max_s); +TRANS_DF_iii(MAX_U, trans_msa_3r, gen_helper_msa_max_u); +TRANS_DF_iii(MIN_S, trans_msa_3r, gen_helper_msa_min_s); +TRANS_DF_iii(MIN_U, trans_msa_3r, gen_helper_msa_min_u); +TRANS_DF_iii(MAX_A, trans_msa_3r, gen_helper_msa_max_a); +TRANS_DF_iii(MIN_A, trans_msa_3r, gen_helper_msa_min_a); + +TRANS_DF_iii(CEQ, trans_msa_3r, gen_helper_msa_ceq); +TRANS_DF_iii(CLT_S, trans_msa_3r, gen_helper_msa_clt_s); +TRANS_DF_iii(CLT_U, trans_msa_3r, gen_helper_msa_clt_u); +TRANS_DF_iii(CLE_S, trans_msa_3r, gen_helper_msa_cle_s); +TRANS_DF_iii(CLE_U, trans_msa_3r, gen_helper_msa_cle_u); + +TRANS_DF_iii(ADD_A, trans_msa_3r, gen_helper_msa_add_a); +TRANS_DF_iii(ADDS_A, trans_msa_3r, gen_helper_msa_adds_a); +TRANS_DF_iii(ADDS_S, trans_msa_3r, gen_helper_msa_adds_s); +TRANS_DF_iii(ADDS_U, trans_msa_3r, gen_helper_msa_adds_u); +TRANS_DF_iii(AVE_S, trans_msa_3r, gen_helper_msa_ave_s); +TRANS_DF_iii(AVE_U, trans_msa_3r, gen_helper_msa_ave_u); +TRANS_DF_iii(AVER_S, trans_msa_3r, gen_helper_msa_aver_s); +TRANS_DF_iii(AVER_U, trans_msa_3r, gen_helper_msa_aver_u); + +TRANS_DF_iii(SUBS_S, trans_msa_3r, gen_helper_msa_subs_s); +TRANS_DF_iii(SUBS_U, trans_msa_3r, gen_helper_msa_subs_u); +TRANS_DF_iii(SUBSUS_U, trans_msa_3r, gen_helper_msa_subsus_u); +TRANS_DF_iii(SUBSUU_S, trans_msa_3r, gen_helper_msa_subsuu_s); +TRANS_DF_iii(ASUB_S, trans_msa_3r, gen_helper_msa_asub_s); +TRANS_DF_iii(ASUB_U, trans_msa_3r, gen_helper_msa_asub_u); + +TRANS_DF_iii(MULV, trans_msa_3r, gen_helper_msa_mulv); +TRANS_DF_iii(MADDV, trans_msa_3r, gen_helper_msa_maddv); +TRANS_DF_iii(MSUBV, trans_msa_3r, gen_helper_msa_msubv); +TRANS_DF_iii(DIV_S, trans_msa_3r, gen_helper_msa_div_s); +TRANS_DF_iii(DIV_U, trans_msa_3r, gen_helper_msa_div_u); +TRANS_DF_iii(MOD_S, trans_msa_3r, gen_helper_msa_mod_s); +TRANS_DF_iii(MOD_U, trans_msa_3r, gen_helper_msa_mod_u); + +TRANS_DF_iii_b(DOTP_S, trans_msa_3r, gen_helper_msa_dotp_s); +TRANS_DF_iii_b(DOTP_U, trans_msa_3r, gen_helper_msa_dotp_u); +TRANS_DF_iii_b(DPADD_S, trans_msa_3r, gen_helper_msa_dpadd_s); +TRANS_DF_iii_b(DPADD_U, trans_msa_3r, gen_helper_msa_dpadd_u); +TRANS_DF_iii_b(DPSUB_S, trans_msa_3r, gen_helper_msa_dpsub_s); +TRANS_DF_iii_b(DPSUB_U, trans_msa_3r, gen_helper_msa_dpsub_u); + +TRANS(SLD, trans_msa_3rf, gen_helper_msa_sld_df); +TRANS(SPLAT, trans_msa_3rf, gen_helper_msa_splat_df); +TRANS_DF_iii(PCKEV, trans_msa_3r, gen_helper_msa_pckev); +TRANS_DF_iii(PCKOD, trans_msa_3r, gen_helper_msa_pckod); +TRANS_DF_iii(ILVL, trans_msa_3r, gen_helper_msa_ilvl); +TRANS_DF_iii(ILVR, trans_msa_3r, gen_helper_msa_ilvr); +TRANS_DF_iii(ILVEV, trans_msa_3r, gen_helper_msa_ilvev); +TRANS_DF_iii(ILVOD, trans_msa_3r, gen_helper_msa_ilvod); + +TRANS(VSHF, trans_msa_3rf, gen_helper_msa_vshf_df); +TRANS_DF_iii(SRAR, trans_msa_3r, gen_helper_msa_srar); +TRANS_DF_iii(SRLR, trans_msa_3r, gen_helper_msa_srlr); +TRANS_DF_iii_b(HADD_S, trans_msa_3r, gen_helper_msa_hadd_s); +TRANS_DF_iii_b(HADD_U, trans_msa_3r, gen_helper_msa_hadd_u); +TRANS_DF_iii_b(HSUB_S, trans_msa_3r, gen_helper_msa_hsub_s); +TRANS_DF_iii_b(HSUB_U, trans_msa_3r, gen_helper_msa_hsub_u); + +static bool trans_MOVE_V(DisasContext *ctx, arg_msa_elm *a) +{ + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_helper_msa_move_v(cpu_env, + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws)); + + return true; +} + +static bool trans_CTCMSA(DisasContext *ctx, arg_msa_elm *a) +{ + TCGv telm; + + if (!check_msa_enabled(ctx)) { + return true; + } + + telm = tcg_temp_new(); + + gen_load_gpr(telm, a->ws); + gen_helper_msa_ctcmsa(cpu_env, telm, tcg_constant_i32(a->wd)); + + tcg_temp_free(telm); + + return true; +} + +static bool trans_CFCMSA(DisasContext *ctx, arg_msa_elm *a) +{ + TCGv telm; + + if (!check_msa_enabled(ctx)) { + return true; + } + + telm = tcg_temp_new(); + + gen_helper_msa_cfcmsa(telm, cpu_env, tcg_constant_i32(a->ws)); + gen_store_gpr(telm, a->wd); + + tcg_temp_free(telm); + + return true; +} + +static bool trans_msa_elm(DisasContext *ctx, arg_msa_elm_df *a, + gen_helper_piiii *gen_msa_elm_df) +{ + if (a->df < 0) { + return false; + } + + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_msa_elm_df(cpu_env, + tcg_constant_i32(a->df), + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws), + tcg_constant_i32(a->n)); + + return true; +} + +TRANS(SLDI, trans_msa_elm, gen_helper_msa_sldi_df); +TRANS(SPLATI, trans_msa_elm, gen_helper_msa_splati_df); +TRANS(INSVE, trans_msa_elm, gen_helper_msa_insve_df); + +static bool trans_msa_elm_fn(DisasContext *ctx, arg_msa_elm_df *a, + gen_helper_piii * const gen_msa_elm[4]) +{ + if (a->df < 0 || !gen_msa_elm[a->df]) { + return false; + } + + if (check_msa_enabled(ctx)) { + return true; + } + + if (a->wd == 0) { + /* Treat as NOP. */ + return true; + } + + gen_msa_elm[a->df](cpu_env, + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws), + tcg_constant_i32(a->n)); + + return true; +} + +#if defined(TARGET_MIPS64) +#define NULL_IF_MIPS32(function) function +#else +#define NULL_IF_MIPS32(function) NULL +#endif + +static bool trans_COPY_U(DisasContext *ctx, arg_msa_elm_df *a) +{ + static gen_helper_piii * const gen_msa_copy_u[4] = { + gen_helper_msa_copy_u_b, gen_helper_msa_copy_u_h, + NULL_IF_MIPS32(gen_helper_msa_copy_u_w), NULL + }; + + return trans_msa_elm_fn(ctx, a, gen_msa_copy_u); +} + +static bool trans_COPY_S(DisasContext *ctx, arg_msa_elm_df *a) +{ + static gen_helper_piii * const gen_msa_copy_s[4] = { + gen_helper_msa_copy_s_b, gen_helper_msa_copy_s_h, + gen_helper_msa_copy_s_w, NULL_IF_MIPS32(gen_helper_msa_copy_s_d) + }; + + return trans_msa_elm_fn(ctx, a, gen_msa_copy_s); +} + +static bool trans_INSERT(DisasContext *ctx, arg_msa_elm_df *a) +{ + static gen_helper_piii * const gen_msa_insert[4] = { + gen_helper_msa_insert_b, gen_helper_msa_insert_h, + gen_helper_msa_insert_w, NULL_IF_MIPS32(gen_helper_msa_insert_d) + }; + + return trans_msa_elm_fn(ctx, a, gen_msa_insert); +} + +TRANS(FCAF, trans_msa_3rf, gen_helper_msa_fcaf_df); +TRANS(FCUN, trans_msa_3rf, gen_helper_msa_fcun_df); +TRANS(FCEQ, trans_msa_3rf, gen_helper_msa_fceq_df); +TRANS(FCUEQ, trans_msa_3rf, gen_helper_msa_fcueq_df); +TRANS(FCLT, trans_msa_3rf, gen_helper_msa_fclt_df); +TRANS(FCULT, trans_msa_3rf, gen_helper_msa_fcult_df); +TRANS(FCLE, trans_msa_3rf, gen_helper_msa_fcle_df); +TRANS(FCULE, trans_msa_3rf, gen_helper_msa_fcule_df); +TRANS(FSAF, trans_msa_3rf, gen_helper_msa_fsaf_df); +TRANS(FSUN, trans_msa_3rf, gen_helper_msa_fsun_df); +TRANS(FSEQ, trans_msa_3rf, gen_helper_msa_fseq_df); +TRANS(FSUEQ, trans_msa_3rf, gen_helper_msa_fsueq_df); +TRANS(FSLT, trans_msa_3rf, gen_helper_msa_fslt_df); +TRANS(FSULT, trans_msa_3rf, gen_helper_msa_fsult_df); +TRANS(FSLE, trans_msa_3rf, gen_helper_msa_fsle_df); +TRANS(FSULE, trans_msa_3rf, gen_helper_msa_fsule_df); + +TRANS(FADD, trans_msa_3rf, gen_helper_msa_fadd_df); +TRANS(FSUB, trans_msa_3rf, gen_helper_msa_fsub_df); +TRANS(FMUL, trans_msa_3rf, gen_helper_msa_fmul_df); +TRANS(FDIV, trans_msa_3rf, gen_helper_msa_fdiv_df); +TRANS(FMADD, trans_msa_3rf, gen_helper_msa_fmadd_df); +TRANS(FMSUB, trans_msa_3rf, gen_helper_msa_fmsub_df); +TRANS(FEXP2, trans_msa_3rf, gen_helper_msa_fexp2_df); +TRANS(FEXDO, trans_msa_3rf, gen_helper_msa_fexdo_df); +TRANS(FTQ, trans_msa_3rf, gen_helper_msa_ftq_df); +TRANS(FMIN, trans_msa_3rf, gen_helper_msa_fmin_df); +TRANS(FMIN_A, trans_msa_3rf, gen_helper_msa_fmin_a_df); +TRANS(FMAX, trans_msa_3rf, gen_helper_msa_fmax_df); +TRANS(FMAX_A, trans_msa_3rf, gen_helper_msa_fmax_a_df); + +TRANS(FCOR, trans_msa_3rf, gen_helper_msa_fcor_df); +TRANS(FCUNE, trans_msa_3rf, gen_helper_msa_fcune_df); +TRANS(FCNE, trans_msa_3rf, gen_helper_msa_fcne_df); +TRANS(MUL_Q, trans_msa_3rf, gen_helper_msa_mul_q_df); +TRANS(MADD_Q, trans_msa_3rf, gen_helper_msa_madd_q_df); +TRANS(MSUB_Q, trans_msa_3rf, gen_helper_msa_msub_q_df); +TRANS(FSOR, trans_msa_3rf, gen_helper_msa_fsor_df); +TRANS(FSUNE, trans_msa_3rf, gen_helper_msa_fsune_df); +TRANS(FSNE, trans_msa_3rf, gen_helper_msa_fsne_df); +TRANS(MULR_Q, trans_msa_3rf, gen_helper_msa_mulr_q_df); +TRANS(MADDR_Q, trans_msa_3rf, gen_helper_msa_maddr_q_df); +TRANS(MSUBR_Q, trans_msa_3rf, gen_helper_msa_msubr_q_df); + +static bool trans_msa_2r(DisasContext *ctx, arg_msa_r *a, + gen_helper_pii *gen_msa_2r) +{ + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_msa_2r(cpu_env, tcg_constant_i32(a->wd), tcg_constant_i32(a->ws)); + + return true; +} + +TRANS_DF_ii(PCNT, trans_msa_2r, gen_helper_msa_pcnt); +TRANS_DF_ii(NLOC, trans_msa_2r, gen_helper_msa_nloc); +TRANS_DF_ii(NLZC, trans_msa_2r, gen_helper_msa_nlzc); + +static bool trans_FILL(DisasContext *ctx, arg_msa_r *a) +{ + if (TARGET_LONG_BITS != 64 && a->df == DF_DOUBLE) { + /* Double format valid only for MIPS64 */ + return false; + } + + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_helper_msa_fill_df(cpu_env, + tcg_constant_i32(a->df), + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws)); + + return true; +} + +static bool trans_msa_2rf(DisasContext *ctx, arg_msa_r *a, + gen_helper_piii *gen_msa_2rf) +{ + if (!check_msa_enabled(ctx)) { + return true; + } + + gen_msa_2rf(cpu_env, + tcg_constant_i32(a->df), + tcg_constant_i32(a->wd), + tcg_constant_i32(a->ws)); + + return true; +} + +TRANS(FCLASS, trans_msa_2rf, gen_helper_msa_fclass_df); +TRANS(FTRUNC_S, trans_msa_2rf, gen_helper_msa_fclass_df); +TRANS(FTRUNC_U, trans_msa_2rf, gen_helper_msa_ftrunc_s_df); +TRANS(FSQRT, trans_msa_2rf, gen_helper_msa_fsqrt_df); +TRANS(FRSQRT, trans_msa_2rf, gen_helper_msa_frsqrt_df); +TRANS(FRCP, trans_msa_2rf, gen_helper_msa_frcp_df); +TRANS(FRINT, trans_msa_2rf, gen_helper_msa_frint_df); +TRANS(FLOG2, trans_msa_2rf, gen_helper_msa_flog2_df); +TRANS(FEXUPL, trans_msa_2rf, gen_helper_msa_fexupl_df); +TRANS(FEXUPR, trans_msa_2rf, gen_helper_msa_fexupr_df); +TRANS(FFQL, trans_msa_2rf, gen_helper_msa_ffql_df); +TRANS(FFQR, trans_msa_2rf, gen_helper_msa_ffqr_df); +TRANS(FTINT_S, trans_msa_2rf, gen_helper_msa_ftint_s_df); +TRANS(FTINT_U, trans_msa_2rf, gen_helper_msa_ftint_u_df); +TRANS(FFINT_S, trans_msa_2rf, gen_helper_msa_ffint_s_df); +TRANS(FFINT_U, trans_msa_2rf, gen_helper_msa_ffint_u_df); + +static bool trans_msa_ldst(DisasContext *ctx, arg_msa_i *a, + gen_helper_piv *gen_msa_ldst) +{ + TCGv taddr; + + if (!check_msa_enabled(ctx)) { + return true; + } + + taddr = tcg_temp_new(); + + gen_base_offset_addr(ctx, taddr, a->ws, a->sa << a->df); + gen_msa_ldst(cpu_env, tcg_constant_i32(a->wd), taddr); + + tcg_temp_free(taddr); + + return true; +} + +TRANS_DF_iv(LD, trans_msa_ldst, gen_helper_msa_ld); +TRANS_DF_iv(ST, trans_msa_ldst, gen_helper_msa_st); + +static bool trans_LSA(DisasContext *ctx, arg_r *a) +{ + return gen_lsa(ctx, a->rd, a->rt, a->rs, a->sa); +} + +static bool trans_DLSA(DisasContext *ctx, arg_r *a) +{ + if (TARGET_LONG_BITS != 64) { + return false; + } + return gen_dlsa(ctx, a->rd, a->rt, a->rs, a->sa); +} |