diff options
Diffstat (limited to 'target-ppc/translate.c')
| -rw-r--r-- | target-ppc/translate.c | 318 |
1 files changed, 204 insertions, 114 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index e2cb190..e40cae9 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1277,63 +1277,56 @@ GEN_INT_ARITH2 (divdu, 0x1F, 0x09, 0x0E, PPC_64B); #endif /*** Integer logical ***/ -#define __GEN_LOGICAL2(name, opc2, opc3, type) \ -GEN_HANDLER(name, 0x1F, opc2, opc3, 0x00000000, type) \ +#define GEN_LOGICAL2(name, tcg_op, opc, type) \ +GEN_HANDLER(name, 0x1F, 0x1C, opc, 0x00000000, type) \ { \ - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); \ - tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]); \ - gen_op_##name(); \ - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); \ + tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], \ + cpu_gpr[rB(ctx->opcode)]); \ if (unlikely(Rc(ctx->opcode) != 0)) \ - gen_set_Rc0(ctx, cpu_T[0]); \ + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \ } -#define GEN_LOGICAL2(name, opc, type) \ -__GEN_LOGICAL2(name, 0x1C, opc, type) -#define GEN_LOGICAL1(name, opc, type) \ +#define GEN_LOGICAL1(name, tcg_op, opc, type) \ GEN_HANDLER(name, 0x1F, 0x1A, opc, 0x00000000, type) \ { \ - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); \ - gen_op_##name(); \ - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); \ + tcg_op(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); \ if (unlikely(Rc(ctx->opcode) != 0)) \ - gen_set_Rc0(ctx, cpu_T[0]); \ + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); \ } /* and & and. */ -GEN_LOGICAL2(and, 0x00, PPC_INTEGER); +GEN_LOGICAL2(and, tcg_gen_and_tl, 0x00, PPC_INTEGER); /* andc & andc. */ -GEN_LOGICAL2(andc, 0x01, PPC_INTEGER); +GEN_LOGICAL2(andc, tcg_gen_andc_tl, 0x01, PPC_INTEGER); /* andi. */ GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); - tcg_gen_andi_tl(cpu_T[0], cpu_T[0], UIMM(ctx->opcode)); - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); - gen_set_Rc0(ctx, cpu_T[0]); + tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode)); + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* andis. */ GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); - tcg_gen_andi_tl(cpu_T[0], cpu_T[0], UIMM(ctx->opcode) << 16); - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); - gen_set_Rc0(ctx, cpu_T[0]); + tcg_gen_andi_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], UIMM(ctx->opcode) << 16); + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } - /* cntlzw */ -GEN_LOGICAL1(cntlzw, 0x00, PPC_INTEGER); +GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER) +{ + tcg_gen_helper_1_1(helper_cntlzw, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); + if (unlikely(Rc(ctx->opcode) != 0)) + gen_set_Rc0(ctx, cpu_gpr[rS(ctx->opcode)]); +} /* eqv & eqv. */ -GEN_LOGICAL2(eqv, 0x08, PPC_INTEGER); +GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER); /* extsb & extsb. */ -GEN_LOGICAL1(extsb, 0x1D, PPC_INTEGER); +GEN_LOGICAL1(extsb, tcg_gen_ext8s_tl, 0x1D, PPC_INTEGER); /* extsh & extsh. */ -GEN_LOGICAL1(extsh, 0x1C, PPC_INTEGER); +GEN_LOGICAL1(extsh, tcg_gen_ext16s_tl, 0x1C, PPC_INTEGER); /* nand & nand. */ -GEN_LOGICAL2(nand, 0x0E, PPC_INTEGER); +GEN_LOGICAL2(nand, tcg_gen_nand_tl, 0x0E, PPC_INTEGER); /* nor & nor. */ -GEN_LOGICAL2(nor, 0x03, PPC_INTEGER); - +GEN_LOGICAL2(nor, tcg_gen_nor_tl, 0x03, PPC_INTEGER); /* or & or. */ GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER) { @@ -1344,55 +1337,54 @@ GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER) rb = rB(ctx->opcode); /* Optimisation for mr. ri case */ if (rs != ra || rs != rb) { - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rs]); - if (rs != rb) { - tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rb]); - gen_op_or(); - } - tcg_gen_mov_tl(cpu_gpr[ra], cpu_T[0]); + if (rs != rb) + tcg_gen_or_tl(cpu_gpr[ra], cpu_gpr[rs], cpu_gpr[rb]); + else + tcg_gen_mov_tl(cpu_gpr[ra], cpu_gpr[rs]); if (unlikely(Rc(ctx->opcode) != 0)) - gen_set_Rc0(ctx, cpu_T[0]); + gen_set_Rc0(ctx, cpu_gpr[ra]); } else if (unlikely(Rc(ctx->opcode) != 0)) { - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rs]); - gen_set_Rc0(ctx, cpu_T[0]); + gen_set_Rc0(ctx, cpu_gpr[rs]); #if defined(TARGET_PPC64) } else { + int prio = 0; + switch (rs) { case 1: /* Set process priority to low */ - gen_op_store_pri(2); + prio = 2; break; case 6: /* Set process priority to medium-low */ - gen_op_store_pri(3); + prio = 3; break; case 2: /* Set process priority to normal */ - gen_op_store_pri(4); + prio = 4; break; #if !defined(CONFIG_USER_ONLY) case 31: if (ctx->supervisor > 0) { /* Set process priority to very low */ - gen_op_store_pri(1); + prio = 1; } break; case 5: if (ctx->supervisor > 0) { /* Set process priority to medium-hight */ - gen_op_store_pri(5); + prio = 5; } break; case 3: if (ctx->supervisor > 0) { /* Set process priority to high */ - gen_op_store_pri(6); + prio = 6; } break; case 7: if (ctx->supervisor > 1) { /* Set process priority to very high */ - gen_op_store_pri(7); + prio = 7; } break; #endif @@ -1400,26 +1392,29 @@ GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER) /* nop */ break; } + if (prio) { + TCGv temp = tcg_temp_new(TCG_TYPE_TL); + tcg_gen_ld_tl(temp, cpu_env, offsetof(CPUState, spr[SPR_PPR])); + tcg_gen_andi_tl(temp, temp, ~0x001C000000000000ULL); + tcg_gen_ori_tl(temp, temp, ((uint64_t)prio) << 50); + tcg_gen_st_tl(temp, cpu_env, offsetof(CPUState, spr[SPR_PPR])); + tcg_temp_free(temp); + } #endif } } - /* orc & orc. */ -GEN_LOGICAL2(orc, 0x0C, PPC_INTEGER); +GEN_LOGICAL2(orc, tcg_gen_orc_tl, 0x0C, PPC_INTEGER); /* xor & xor. */ GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER) { - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); /* Optimisation for "set to zero" case */ - if (rS(ctx->opcode) != rB(ctx->opcode)) { - tcg_gen_mov_tl(cpu_T[1], cpu_gpr[rB(ctx->opcode)]); - gen_op_xor(); - } else { - tcg_gen_movi_tl(cpu_T[0], 0); - } - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); + if (rS(ctx->opcode) != rB(ctx->opcode)) + tcg_gen_xor_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); + else + tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); if (unlikely(Rc(ctx->opcode) != 0)) - gen_set_Rc0(ctx, cpu_T[0]); + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* ori */ GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) @@ -1431,10 +1426,7 @@ GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) /* XXX: should handle special NOPs for POWER series */ return; } - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); - if (likely(uimm != 0)) - gen_op_ori(uimm); - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); + tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); } /* oris */ GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) @@ -1445,10 +1437,7 @@ GEN_HANDLER(oris, 0x19, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) /* NOP */ return; } - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); - if (likely(uimm != 0)) - gen_op_ori(uimm << 16); - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); + tcg_gen_ori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16); } /* xori */ GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) @@ -1459,12 +1448,8 @@ GEN_HANDLER(xori, 0x1A, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) /* NOP */ return; } - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); - if (likely(uimm != 0)) - gen_op_xori(uimm); - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); + tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm); } - /* xoris */ GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) { @@ -1474,30 +1459,29 @@ GEN_HANDLER(xoris, 0x1B, 0xFF, 0xFF, 0x00000000, PPC_INTEGER) /* NOP */ return; } - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); - if (likely(uimm != 0)) - gen_op_xori(uimm << 16); - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); + tcg_gen_xori_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], uimm << 16); } - /* popcntb : PowerPC 2.03 specification */ GEN_HANDLER(popcntb, 0x1F, 0x03, 0x03, 0x0000F801, PPC_POPCNTB) { - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); #if defined(TARGET_PPC64) if (ctx->sf_mode) - gen_op_popcntb_64(); + tcg_gen_helper_1_1(helper_popcntb_64, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); else #endif - gen_op_popcntb(); - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); + tcg_gen_helper_1_1(helper_popcntb, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); } #if defined(TARGET_PPC64) /* extsw & extsw. */ -GEN_LOGICAL1(extsw, 0x1E, PPC_64B); +GEN_LOGICAL1(extsw, tcg_gen_ext32s_tl, 0x1E, PPC_64B); /* cntlzd */ -GEN_LOGICAL1(cntlzd, 0x01, PPC_64B); +GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B) +{ + tcg_gen_helper_1_1(helper_cntlzd, cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); + if (unlikely(Rc(ctx->opcode) != 0)) + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); +} #endif /*** Integer rotate ***/ @@ -1759,54 +1743,141 @@ GEN_PPC64_R4(rldimi, 0x1E, 0x06); /*** Integer shift ***/ /* slw & slw. */ -__GEN_LOGICAL2(slw, 0x18, 0x00, PPC_INTEGER); +GEN_HANDLER(slw, 0x1F, 0x18, 0x00, 0x00000000, PPC_INTEGER) +{ + TCGv temp; + int l1, l2; + l1 = gen_new_label(); + l2 = gen_new_label(); + + temp = tcg_temp_local_new(TCG_TYPE_TL); + tcg_gen_andi_tl(temp, cpu_gpr[rB(ctx->opcode)], 0x20); + tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); + tcg_gen_br(l2); + gen_set_label(l1); + tcg_gen_andi_tl(temp, cpu_gpr[rB(ctx->opcode)], 0x3f); + tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], temp); + tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); + gen_set_label(l2); + tcg_temp_free(temp); + if (unlikely(Rc(ctx->opcode) != 0)) + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); +} /* sraw & sraw. */ -__GEN_LOGICAL2(sraw, 0x18, 0x18, PPC_INTEGER); +GEN_HANDLER(sraw, 0x1F, 0x18, 0x18, 0x00000000, PPC_INTEGER) +{ + tcg_gen_helper_1_2(helper_sraw, cpu_gpr[rA(ctx->opcode)], + cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); + if (unlikely(Rc(ctx->opcode) != 0)) + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); +} /* srawi & srawi. */ GEN_HANDLER(srawi, 0x1F, 0x18, 0x19, 0x00000000, PPC_INTEGER) { - int mb, me; - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); - if (SH(ctx->opcode) != 0) { - tcg_gen_mov_tl(cpu_T[1], cpu_T[0]); - mb = 32 - SH(ctx->opcode); - me = 31; -#if defined(TARGET_PPC64) - mb += 32; - me += 32; -#endif - gen_op_srawi(SH(ctx->opcode), MASK(mb, me)); + int sh = SH(ctx->opcode); + if (sh != 0) { + int l1, l2; + TCGv temp; + l1 = gen_new_label(); + l2 = gen_new_label(); + temp = tcg_temp_local_new(TCG_TYPE_TL); + tcg_gen_ext32s_tl(temp, cpu_gpr[rS(ctx->opcode)]); + tcg_gen_brcondi_tl(TCG_COND_GE, temp, 0, l1); + tcg_gen_andi_tl(temp, cpu_gpr[rS(ctx->opcode)], (1ULL << sh) - 1); + tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); + tcg_gen_ori_i32(cpu_xer, cpu_xer, 1 << XER_CA); + tcg_gen_br(l2); + gen_set_label(l1); + tcg_gen_andi_i32(cpu_xer, cpu_xer, ~(1 << XER_CA)); + gen_set_label(l2); + tcg_gen_ext32s_tl(temp, cpu_gpr[rS(ctx->opcode)]); + tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], temp, sh); + tcg_temp_free(temp); + } else { + tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); + tcg_gen_andi_i32(cpu_xer, cpu_xer, ~(1 << XER_CA)); } - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); if (unlikely(Rc(ctx->opcode) != 0)) - gen_set_Rc0(ctx, cpu_T[0]); + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } /* srw & srw. */ -__GEN_LOGICAL2(srw, 0x18, 0x10, PPC_INTEGER); +GEN_HANDLER(srw, 0x1F, 0x18, 0x10, 0x00000000, PPC_INTEGER) +{ + TCGv temp; + int l1, l2; + l1 = gen_new_label(); + l2 = gen_new_label(); + temp = tcg_temp_local_new(TCG_TYPE_TL); + tcg_gen_andi_tl(temp, cpu_gpr[rB(ctx->opcode)], 0x20); + tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); + tcg_gen_br(l2); + gen_set_label(l1); + tcg_gen_andi_tl(temp, cpu_gpr[rB(ctx->opcode)], 0x3f); + tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], temp); + tcg_gen_ext32u_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)]); + gen_set_label(l2); + tcg_temp_free(temp); + if (unlikely(Rc(ctx->opcode) != 0)) + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); +} #if defined(TARGET_PPC64) /* sld & sld. */ -__GEN_LOGICAL2(sld, 0x1B, 0x00, PPC_64B); +GEN_HANDLER(sld, 0x1F, 0x1B, 0x00, 0x00000000, PPC_64B) +{ + TCGv temp; + int l1, l2; + l1 = gen_new_label(); + l2 = gen_new_label(); + + temp = tcg_temp_local_new(TCG_TYPE_TL); + tcg_gen_andi_tl(temp, cpu_gpr[rB(ctx->opcode)], 0x40); + tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); + tcg_gen_br(l2); + gen_set_label(l1); + tcg_gen_andi_tl(temp, cpu_gpr[rB(ctx->opcode)], 0x7f); + tcg_gen_shl_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], temp); + gen_set_label(l2); + tcg_temp_free(temp); + if (unlikely(Rc(ctx->opcode) != 0)) + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); +} /* srad & srad. */ -__GEN_LOGICAL2(srad, 0x1A, 0x18, PPC_64B); +GEN_HANDLER(srad, 0x1F, 0x1A, 0x18, 0x00000000, PPC_64B) +{ + tcg_gen_helper_1_2(helper_srad, cpu_gpr[rA(ctx->opcode)], + cpu_gpr[rS(ctx->opcode)], cpu_gpr[rB(ctx->opcode)]); + if (unlikely(Rc(ctx->opcode) != 0)) + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); +} /* sradi & sradi. */ static always_inline void gen_sradi (DisasContext *ctx, int n) { - uint64_t mask; - int sh, mb, me; - - tcg_gen_mov_tl(cpu_T[0], cpu_gpr[rS(ctx->opcode)]); - sh = SH(ctx->opcode) + (n << 5); + int sh = SH(ctx->opcode) + (n << 5); if (sh != 0) { - tcg_gen_mov_tl(cpu_T[1], cpu_T[0]); - mb = 64 - SH(ctx->opcode); - me = 63; - mask = MASK(mb, me); - gen_op_sradi(sh, mask >> 32, mask); + int l1, l2; + TCGv temp; + l1 = gen_new_label(); + l2 = gen_new_label(); + tcg_gen_brcondi_tl(TCG_COND_GE, cpu_gpr[rS(ctx->opcode)], 0, l1); + temp = tcg_temp_new(TCG_TYPE_TL); + tcg_gen_andi_tl(temp, cpu_gpr[rS(ctx->opcode)], (1ULL << sh) - 1); + tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); + tcg_gen_ori_i32(cpu_xer, cpu_xer, 1 << XER_CA); + tcg_gen_br(l2); + gen_set_label(l1); + tcg_gen_andi_i32(cpu_xer, cpu_xer, ~(1 << XER_CA)); + gen_set_label(l2); + tcg_gen_sari_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], sh); + } else { + tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); + tcg_gen_andi_i32(cpu_xer, cpu_xer, ~(1 << XER_CA)); } - tcg_gen_mov_tl(cpu_gpr[rA(ctx->opcode)], cpu_T[0]); if (unlikely(Rc(ctx->opcode) != 0)) - gen_set_Rc0(ctx, cpu_T[0]); + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } GEN_HANDLER2(sradi0, "sradi", 0x1F, 0x1A, 0x19, 0x00000000, PPC_64B) { @@ -1817,7 +1888,26 @@ GEN_HANDLER2(sradi1, "sradi", 0x1F, 0x1B, 0x19, 0x00000000, PPC_64B) gen_sradi(ctx, 1); } /* srd & srd. */ -__GEN_LOGICAL2(srd, 0x1B, 0x10, PPC_64B); +GEN_HANDLER(srd, 0x1F, 0x1B, 0x10, 0x00000000, PPC_64B) +{ + TCGv temp; + int l1, l2; + l1 = gen_new_label(); + l2 = gen_new_label(); + + temp = tcg_temp_local_new(TCG_TYPE_TL); + tcg_gen_andi_tl(temp, cpu_gpr[rB(ctx->opcode)], 0x40); + tcg_gen_brcondi_tl(TCG_COND_EQ, temp, 0, l1); + tcg_gen_movi_tl(cpu_gpr[rA(ctx->opcode)], 0); + tcg_gen_br(l2); + gen_set_label(l1); + tcg_gen_andi_tl(temp, cpu_gpr[rB(ctx->opcode)], 0x7f); + tcg_gen_shr_tl(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)], temp); + gen_set_label(l2); + tcg_temp_free(temp); + if (unlikely(Rc(ctx->opcode) != 0)) + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); +} #endif /*** Floating-Point arithmetic ***/ |
