/* * translate/vmx-impl.c * * Altivec/VMX translation */ /*** Altivec vector extension ***/ /* Altivec registers moves */ static inline TCGv_ptr gen_avr_ptr(int reg) { TCGv_ptr r = tcg_temp_new_ptr(); tcg_gen_addi_ptr(r, cpu_env, avr_full_offset(reg)); return r; } #define GEN_VR_LDX(name, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv EA; \ TCGv_i64 avr; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ avr = tcg_temp_new_i64(); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ tcg_gen_andi_tl(EA, EA, ~0xf); \ /* \ * We only need to swap high and low halves. gen_qemu_ld64_i64 \ * does necessary 64-bit byteswap already. \ */ \ if (ctx->le_mode) { \ gen_qemu_ld64_i64(ctx, avr, EA); \ set_avr64(rD(ctx->opcode), avr, false); \ tcg_gen_addi_tl(EA, EA, 8); \ gen_qemu_ld64_i64(ctx, avr, EA); \ set_avr64(rD(ctx->opcode), avr, true); \ } else { \ gen_qemu_ld64_i64(ctx, avr, EA); \ set_avr64(rD(ctx->opcode), avr, true); \ tcg_gen_addi_tl(EA, EA, 8); \ gen_qemu_ld64_i64(ctx, avr, EA); \ set_avr64(rD(ctx->opcode), avr, false); \ } \ tcg_temp_free(EA); \ tcg_temp_free_i64(avr); \ } #define GEN_VR_STX(name, opc2, opc3) \ static void gen_st##name(DisasContext *ctx) \ { \ TCGv EA; \ TCGv_i64 avr; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ avr = tcg_temp_new_i64(); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ tcg_gen_andi_tl(EA, EA, ~0xf); \ /* \ * We only need to swap high and low halves. gen_qemu_st64_i64 \ * does necessary 64-bit byteswap already. \ */ \ if (ctx->le_mode) { \ get_avr64(avr, rD(ctx->opcode), false); \ gen_qemu_st64_i64(ctx, avr, EA); \ tcg_gen_addi_tl(EA, EA, 8); \ get_avr64(avr, rD(ctx->opcode), true); \ gen_qemu_st64_i64(ctx, avr, EA); \ } else { \ get_avr64(avr, rD(ctx->opcode), true); \ gen_qemu_st64_i64(ctx, avr, EA); \ tcg_gen_addi_tl(EA, EA, 8); \ get_avr64(avr, rD(ctx->opcode), false); \ gen_qemu_st64_i64(ctx, avr, EA); \ } \ tcg_temp_free(EA); \ tcg_temp_free_i64(avr); \ } #define GEN_VR_LVE(name, opc2, opc3, size) \ static void gen_lve##name(DisasContext *ctx) \ { \ TCGv EA; \ TCGv_ptr rs; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ if (size > 1) { \ tcg_gen_andi_tl(EA, EA, ~(size - 1)); \ } \ rs = gen_avr_ptr(rS(ctx->opcode)); \ gen_helper_lve##name(cpu_env, rs, EA); \ tcg_temp_free(EA); \ tcg_temp_free_ptr(rs); \ } #define GEN_VR_STVE(name, opc2, opc3, size) \ static void gen_stve##name(DisasContext *ctx) \ { \ TCGv EA; \ TCGv_ptr rs; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ gen_set_access_type(ctx, ACCESS_INT); \ EA = tcg_temp_new(); \ gen_addr_reg_index(ctx, EA); \ if (size > 1) { \ tcg_gen_andi_tl(EA, EA, ~(size - 1)); \ } \ rs = gen_avr_ptr(rS(ctx->opcode)); \ gen_helper_stve##name(cpu_env, rs, EA); \ tcg_temp_free(EA); \ tcg_temp_free_ptr(rs); \ } GEN_VR_LDX(lvx, 0x07, 0x03); /* As we don't emulate the cache, lvxl is stricly equivalent to lvx */ GEN_VR_LDX(lvxl, 0x07, 0x0B); GEN_VR_LVE(bx, 0x07, 0x00, 1); GEN_VR_LVE(hx, 0x07, 0x01, 2); GEN_VR_LVE(wx, 0x07, 0x02, 4); GEN_VR_STX(svx, 0x07, 0x07); /* As we don't emulate the cache, stvxl is stricly equivalent to stvx */ GEN_VR_STX(svxl, 0x07, 0x0F); GEN_VR_STVE(bx, 0x07, 0x04, 1); GEN_VR_STVE(hx, 0x07, 0x05, 2); GEN_VR_STVE(wx, 0x07, 0x06, 4); static void gen_mfvscr(DisasContext *ctx) { TCGv_i32 t; TCGv_i64 avr; if (unlikely(!ctx->altivec_enabled)) { gen_exception(ctx, POWERPC_EXCP_VPU); return; } avr = tcg_temp_new_i64(); tcg_gen_movi_i64(avr, 0); set_avr64(rD(ctx->opcode), avr, true); t = tcg_temp_new_i32(); gen_helper_mfvscr(t, cpu_env); tcg_gen_extu_i32_i64(avr, t); set_avr64(rD(ctx->opcode), avr, false); tcg_temp_free_i32(t); tcg_temp_free_i64(avr); } static void gen_mtvscr(DisasContext *ctx) { TCGv_i32 val; int bofs; if (unlikely(!ctx->altivec_enabled)) { gen_exception(ctx, POWERPC_EXCP_VPU); return; } val = tcg_temp_new_i32(); bofs = avr_full_offset(rB(ctx->opcode)); #ifdef HOST_WORDS_BIGENDIAN bofs += 3 * 4; #endif tcg_gen_ld_i32(val, cpu_env, bofs); gen_helper_mtvscr(cpu_env, val); tcg_temp_free_i32(val); } #define GEN_VX_VMUL10(name, add_cin, ret_carry) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv_i64 t0; \ TCGv_i64 t1; \ TCGv_i64 t2; \ TCGv_i64 avr; \ TCGv_i64 ten, z; \ \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ \ t0 = tcg_temp_new_i64(); \ t1 = tcg_temp_new_i64(); \ t2 = tcg_temp_new_i64(); \ avr = tcg_temp_new_i64(); \ ten = tcg_const_i64(10); \ z = tcg_const_i64(0); \ \ if (add_cin) { \ get_avr64(avr, rA(ctx->opcode), false); \ tcg_gen_mulu2_i64(t0, t1, avr, ten); \ get_avr64(avr, rB(ctx->opcode), false); \ tcg_gen_andi_i64(t2, avr, 0xF); \ tcg_gen_add2_i64(avr, t2, t0, t1, t2, z); \ set_avr64(rD(ctx->opcode), avr, false); \ } else { \ get_avr64(avr, rA(ctx->opcode), false); \ tcg_gen_mulu2_i64(avr, t2, avr, ten); \ set_avr64(rD(ctx->opcode), avr, false); \ } \ \ if (ret_carry) { \ get_avr64(avr, rA(ctx->opcode), true); \ tcg_gen_mulu2_i64(t0, t1, avr, ten); \ tcg_gen_add2_i64(t0, avr, t0, t1, t2, z); \ set_avr64(rD(ctx->opcode), avr, false); \ set_avr64(rD(ctx->opcode), z, true); \ } else { \ get_avr64(avr, rA(ctx->opcode), true); \ tcg_gen_mul_i64(t0, avr, ten); \ tcg_gen_add_i64(avr, t0, t2); \ set_avr64(rD(ctx->opcode), avr, true); \ } \ \ tcg_temp_free_i64(t0); \ tcg_temp_free_i64(t1); \ tcg_temp_free_i64(t2); \ tcg_temp_free_i64(avr); \ tcg_temp_free_i64(ten); \ tcg_temp_free_i64(z); \ } \ GEN_VX_VMUL10(vmul10uq, 0, 0); GEN_VX_VMUL10(vmul10euq, 1, 0); GEN_VX_VMUL10(vmul10cuq, 0, 1); GEN_VX_VMUL10(vmul10ecuq, 1, 1); #define GEN_VXFORM_V(name, vece, tcg_op, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ \ tcg_op(vece, \ avr_full_offset(rD(ctx->opcode)), \ avr_full_offset(rA(ctx->opcode)), \ avr_full_offset(rB(ctx->opcode)), \ 16, 16); \ } /* Logical operations */ GEN_VXFORM_V(vand, MO_64, tcg_gen_gvec_and, 2, 16); GEN_VXFORM_V(vandc, MO_64, tcg_gen_gvec_andc, 2, 17); GEN_VXFORM_V(vor, MO_64, tcg_gen_gvec_or, 2, 18); GEN_VXFORM_V(vxor, MO_64, tcg_gen_gvec_xor, 2, 19); GEN_VXFORM_V(vnor, MO_64, tcg_gen_gvec_nor, 2, 20); GEN_VXFORM_V(veqv, MO_64, tcg_gen_gvec_eqv, 2, 26); GEN_VXFORM_V(vnand, MO_64, tcg_gen_gvec_nand, 2, 22); GEN_VXFORM_V(vorc, MO_64, tcg_gen_gvec_orc, 2, 21); #define GEN_VXFORM(name, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv_ptr ra, rb, rd; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ ra = gen_avr_ptr(rA(ctx->opcode)); \ rb = gen_avr_ptr(rB(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ gen_helper_##name(rd, ra, rb); \ tcg_temp_free_ptr(ra); \ tcg_temp_free_ptr(rb); \ tcg_temp_free_ptr(rd); \ } #define GEN_VXFORM_TRANS(name, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ trans_##name(ctx); \ } #define GEN_VXFORM_ENV(name, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv_ptr ra, rb, rd; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ ra = gen_avr_ptr(rA(ctx->opcode)); \ rb = gen_avr_ptr(rB(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ gen_helper_##name(cpu_env, rd, ra, rb); \ tcg_temp_free_ptr(ra); \ tcg_temp_free_ptr(rb); \ tcg_temp_free_ptr(rd); \ } #define GEN_VXFORM3(name, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv_ptr ra, rb, rc, rd; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ ra = gen_avr_ptr(rA(ctx->opcode)); \ rb = gen_avr_ptr(rB(ctx->opcode)); \ rc = gen_avr_ptr(rC(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ gen_helper_##name(rd, ra, rb, rc); \ tcg_temp_free_ptr(ra); \ tcg_temp_free_ptr(rb); \ tcg_temp_free_ptr(rc); \ tcg_temp_free_ptr(rd); \ } /* * Support for Altivec instruction pairs that use bit 31 (Rc) as * an opcode bit. In general, these pairs come from different * versions of the ISA, so we must also support a pair of flags for * each instruction. */ #define GEN_VXFORM_DUAL(name0, flg0, flg2_0, name1, flg1, flg2_1) \ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \ if ((Rc(ctx->opcode) == 0) && \ ((ctx->insns_flags & flg0) || (ctx->insns_flags2 & flg2_0))) { \ gen_##name0(ctx); \ } else if ((Rc(ctx->opcode) == 1) && \ ((ctx->insns_flags & flg1) || (ctx->insns_flags2 & flg2_1))) { \ gen_##name1(ctx); \ } else { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ } \ } /* * We use this macro if one instruction is realized with direct * translation, and second one with helper. */ #define GEN_VXFORM_TRANS_DUAL(name0, flg0, flg2_0, name1, flg1, flg2_1)\ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \ if ((Rc(ctx->opcode) == 0) && \ ((ctx->insns_flags & flg0) || (ctx->insns_flags2 & flg2_0))) { \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ trans_##name0(ctx); \ } else if ((Rc(ctx->opcode) == 1) && \ ((ctx->insns_flags & flg1) || (ctx->insns_flags2 & flg2_1))) { \ gen_##name1(ctx); \ } else { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ } \ } /* Adds support to provide invalid mask */ #define GEN_VXFORM_DUAL_EXT(name0, flg0, flg2_0, inval0, \ name1, flg1, flg2_1, inval1) \ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \ if ((Rc(ctx->opcode) == 0) && \ ((ctx->insns_flags & flg0) || (ctx->insns_flags2 & flg2_0)) && \ !(ctx->opcode & inval0)) { \ gen_##name0(ctx); \ } else if ((Rc(ctx->opcode) == 1) && \ ((ctx->insns_flags & flg1) || (ctx->insns_flags2 & flg2_1)) && \ !(ctx->opcode & inval1)) { \ gen_##name1(ctx); \ } else { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ } \ } #define GEN_VXFORM_HETRO(name, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv_ptr rb; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ rb = gen_avr_ptr(rB(ctx->opcode)); \ gen_helper_##name(cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], rb); \ tcg_temp_free_ptr(rb); \ } GEN_VXFORM_V(vaddubm, MO_8, tcg_gen_gvec_add, 0, 0); GEN_VXFORM_DUAL_EXT(vaddubm, PPC_ALTIVEC, PPC_NONE, 0, \ vmul10cuq, PPC_NONE, PPC2_ISA300, 0x0000F800) GEN_VXFORM_V(vadduhm, MO_16, tcg_gen_gvec_add, 0, 1); GEN_VXFORM_DUAL(vadduhm, PPC_ALTIVEC, PPC_NONE, \ vmul10ecuq, PPC_NONE, PPC2_ISA300) GEN_VXFORM_V(vadduwm, MO_32, tcg_gen_gvec_add, 0, 2); GEN_VXFORM_V(vaddudm, MO_64, tcg_gen_gvec_add, 0, 3); GEN_VXFORM_V(vsububm, MO_8, tcg_gen_gvec_sub, 0, 16); GEN_VXFORM_V(vsubuhm, MO_16, tcg_gen_gvec_sub, 0, 17); GEN_VXFORM_V(vsubuwm, MO_32, tcg_gen_gvec_sub, 0, 18); GEN_VXFORM_V(vsubudm, MO_64, tcg_gen_gvec_sub, 0, 19); GEN_VXFORM_V(vmaxub, MO_8, tcg_gen_gvec_umax, 1, 0); GEN_VXFORM_V(vmaxuh, MO_16, tcg_gen_gvec_umax, 1, 1); GEN_VXFORM_V(vmaxuw, MO_32, tcg_gen_gvec_umax, 1, 2); GEN_VXFORM_V(vmaxud, MO_64, tcg_gen_gvec_umax, 1, 3); GEN_VXFORM_V(vmaxsb, MO_8, tcg_gen_gvec_smax, 1, 4); GEN_VXFORM_V(vmaxsh, MO_16, tcg_gen_gvec_smax, 1, 5); GEN_VXFORM_V(vmaxsw, MO_32, tcg_gen_gvec_smax, 1, 6); GEN_VXFORM_V(vmaxsd, MO_64, tcg_gen_gvec_smax, 1, 7); GEN_VXFORM_V(vminub, MO_8, tcg_gen_gvec_umin, 1, 8); GEN_VXFORM_V(vminuh, MO_16, tcg_gen_gvec_umin, 1, 9); GEN_VXFORM_V(vminuw, MO_32, tcg_gen_gvec_umin, 1, 10); GEN_VXFORM_V(vminud, MO_64, tcg_gen_gvec_umin, 1, 11); GEN_VXFORM_V(vminsb, MO_8, tcg_gen_gvec_smin, 1, 12); GEN_VXFORM_V(vminsh, MO_16, tcg_gen_gvec_smin, 1, 13); GEN_VXFORM_V(vminsw, MO_32, tcg_gen_gvec_smin, 1, 14); GEN_VXFORM_V(vminsd, MO_64, tcg_gen_gvec_smin, 1, 15); GEN_VXFORM(vavgub, 1, 16); GEN_VXFORM(vabsdub, 1, 16); GEN_VXFORM_DUAL(vavgub, PPC_ALTIVEC, PPC_NONE, \ vabsdub, PPC_NONE, PPC2_ISA300) GEN_VXFORM(vavguh, 1, 17); GEN_VXFORM(vabsduh, 1, 17); GEN_VXFORM_DUAL(vavguh, PPC_ALTIVEC, PPC_NONE, \ vabsduh, PPC_NONE, PPC2_ISA300) GEN_VXFORM(vavguw, 1, 18); GEN_VXFORM(vabsduw, 1, 18); GEN_VXFORM_DUAL(vavguw, PPC_ALTIVEC, PPC_NONE, \ vabsduw, PPC_NONE, PPC2_ISA300) GEN_VXFORM(vavgsb, 1, 20); GEN_VXFORM(vavgsh, 1, 21); GEN_VXFORM(vavgsw, 1, 22); GEN_VXFORM(vmrghb, 6, 0); GEN_VXFORM(vmrghh, 6, 1); GEN_VXFORM(vmrghw, 6, 2); GEN_VXFORM(vmrglb, 6, 4); GEN_VXFORM(vmrglh, 6, 5); GEN_VXFORM(vmrglw, 6, 6); static void trans_vmrgew(DisasContext *ctx) { int VT = rD(ctx->opcode); int VA = rA(ctx->opcode); int VB = rB(ctx->opcode); TCGv_i64 tmp = tcg_temp_new_i64(); TCGv_i64 avr = tcg_temp_new_i64(); get_avr64(avr, VB, true); tcg_gen_shri_i64(tmp, avr, 32); get_avr64(avr, VA, true); tcg_gen_deposit_i64(avr, avr, tmp, 0, 32); set_avr64(VT, avr, true); get_avr64(avr, VB, false); tcg_gen_shri_i64(tmp, avr, 32); get_avr64(avr, VA, false); tcg_gen_deposit_i64(avr, avr, tmp, 0, 32); set_avr64(VT, avr, false); tcg_temp_free_i64(tmp); tcg_temp_free_i64(avr); } static void trans_vmrgow(DisasContext *ctx) { int VT = rD(ctx->opcode); int VA = rA(ctx->opcode); int VB = rB(ctx->opcode); TCGv_i64 t0 = tcg_temp_new_i64(); TCGv_i64 t1 = tcg_temp_new_i64(); TCGv_i64 avr = tcg_temp_new_i64(); get_avr64(t0, VB, true); get_avr64(t1, VA, true); tcg_gen_deposit_i64(avr, t0, t1, 32, 32); set_avr64(VT, avr, true); get_avr64(t0, VB, false); get_avr64(t1, VA, false); tcg_gen_deposit_i64(avr, t0, t1, 32, 32); set_avr64(VT, avr, false); tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); tcg_temp_free_i64(avr); } /* * lvsl VRT,RA,RB - Load Vector for Shift Left * * Let the EA be the sum (rA|0)+(rB). Let sh=EA[28–31]. * Let X be the 32-byte value 0x00 || 0x01 || 0x02 || ... || 0x1E || 0x1F. * Bytes sh:sh+15 of X are placed into vD. */ static void trans_lvsl(DisasContext *ctx) { int VT = rD(ctx->opcode); TCGv_i64 result = tcg_temp_new_i64(); TCGv_i64 sh = tcg_temp_new_i64(); TCGv EA = tcg_temp_new(); /* Get sh(from description) by anding EA with 0xf. */ gen_addr_reg_index(ctx, EA); tcg_gen_extu_tl_i64(sh, EA); tcg_gen_andi_i64(sh, sh, 0xfULL); /* * Create bytes sh:sh+7 of X(from description) and place them in * higher doubleword of vD. */ tcg_gen_muli_i64(sh, sh, 0x0101010101010101ULL); tcg_gen_addi_i64(result, sh, 0x0001020304050607ull); set_avr64(VT, result, true); /* * Create bytes sh+8:sh+15 of X(from description) and place them in * lower doubleword of vD. */ tcg_gen_addi_i64(result, sh, 0x08090a0b0c0d0e0fULL); set_avr64(VT, result, false); tcg_temp_free_i64(result); tcg_temp_free_i64(sh); tcg_temp_free(EA); } /* * lvsr VRT,RA,RB - Load Vector for Shift Right * * Let the EA be the sum (rA|0)+(rB). Let sh=EA[28–31]. * Let X be the 32-byte value 0x00 || 0x01 || 0x02 || ... || 0x1E || 0x1F. * Bytes (16-sh):(31-sh) of X are placed into vD. */ static void trans_lvsr(DisasContext *ctx) { int VT = rD(ctx->opcode); TCGv_i64 result = tcg_temp_new_i64(); TCGv_i64 sh = tcg_temp_new_i64(); TCGv EA = tcg_temp_new(); /* Get sh(from description) by anding EA with 0xf. */ gen_addr_reg_index(ctx, EA); tcg_gen_extu_tl_i64(sh, EA); tcg_gen_andi_i64(sh, sh, 0xfULL); /* * Create bytes (16-sh):(23-sh) of X(from description) and place them in * higher doubleword of vD. */ tcg_gen_muli_i64(sh, sh, 0x0101010101010101ULL); tcg_gen_subfi_i64(result, 0x1011121314151617ULL, sh); set_avr64(VT, result, true); /* * Create bytes (24-sh):(32-sh) of X(from description) and place them in * lower doubleword of vD. */ tcg_gen_subfi_i64(result, 0x18191a1b1c1d1e1fULL, sh); set_avr64(VT, result, false); tcg_temp_free_i64(result); tcg_temp_free_i64(sh); tcg_temp_free(EA); } /* * vsl VRT,VRA,VRB - Vector Shift Left * * Shifting left 128 bit value of vA by value specified in bits 125-127 of vB. * Lowest 3 bits in each byte element of register vB must be identical or * result is undefined. */ static void trans_vsl(DisasContext *ctx) { int VT = rD(ctx->opcode); int VA = rA(ctx->opcode); int VB = rB(ctx->opcode); TCGv_i64 avr = tcg_temp_new_i64(); TCGv_i64 sh = tcg_temp_new_i64(); TCGv_i64 carry = tcg_temp_new_i64(); TCGv_i64 tmp = tcg_temp_new_i64(); /* Place bits 125-127 of vB in 'sh'. */ get_avr64(avr, VB, false); tcg_gen_andi_i64(sh, avr, 0x07ULL); /* * Save highest 'sh' bits of lower doubleword element of vA in variable * 'carry' and perform shift on lower doubleword. */ get_avr64(avr, VA, false); tcg_gen_subfi_i64(tmp, 32, sh); tcg_gen_shri_i64(carry, avr, 32); tcg_gen_shr_i64(carry, carry, tmp); tcg_gen_shl_i64(avr, avr, sh); set_avr64(VT, avr, false); /* * Perform shift on higher doubleword element of vA and replace lowest * 'sh' bits with 'carry'. */ get_avr64(avr, VA, true); tcg_gen_shl_i64(avr, avr, sh); tcg_gen_or_i64(avr, avr, carry); set_avr64(VT, avr, true); tcg_temp_free_i64(avr); tcg_temp_free_i64(sh); tcg_temp_free_i64(carry); tcg_temp_free_i64(tmp); } /* * vsr VRT,VRA,VRB - Vector Shift Right * * Shifting right 128 bit value of vA by value specified in bits 125-127 of vB. * Lowest 3 bits in each byte element of register vB must be identical or * result is undefined. */ static void trans_vsr(DisasContext *ctx) { int VT = rD(ctx->opcode); int VA = rA(ctx->opcode); int VB = rB(ctx->opcode); TCGv_i64 avr = tcg_temp_new_i64(); TCGv_i64 sh = tcg_temp_new_i64(); TCGv_i64 carry = tcg_temp_new_i64(); TCGv_i64 tmp = tcg_temp_new_i64(); /* Place bits 125-127 of vB in 'sh'. */ get_avr64(avr, VB, false); tcg_gen_andi_i64(sh, avr, 0x07ULL); /* * Save lowest 'sh' bits of higher doubleword element of vA in variable * 'carry' and perform shift on higher doubleword. */ get_avr64(avr, VA, true); tcg_gen_subfi_i64(tmp, 32, sh); tcg_gen_shli_i64(carry, avr, 32); tcg_gen_shl_i64(carry, carry, tmp); tcg_gen_shr_i64(avr, avr, sh); set_avr64(VT, avr, true); /* * Perform shift on lower doubleword element of vA and replace highest * 'sh' bits with 'carry'. */ get_avr64(avr, VA, false); tcg_gen_shr_i64(avr, avr, sh); tcg_gen_or_i64(avr, avr, carry); set_avr64(VT, avr, false); tcg_temp_free_i64(avr); tcg_temp_free_i64(sh); tcg_temp_free_i64(carry); tcg_temp_free_i64(tmp); } /* * vgbbd VRT,VRB - Vector Gather Bits by Bytes by Doubleword * * All ith bits (i in range 1 to 8) of each byte of doubleword element in source * register are concatenated and placed into ith byte of appropriate doubleword * element in destination register. * * Following solution is done for both doubleword elements of source register * in parallel, in order to reduce the number of instructions needed(that's why * arrays are used): * First, both doubleword elements of source register vB are placed in * appropriate element of array avr. Bits are gathered in 2x8 iterations(2 for * loops). In first iteration bit 1 of byte 1, bit 2 of byte 2,... bit 8 of * byte 8 are in their final spots so avr[i], i={0,1} can be and-ed with * tcg_mask. For every following iteration, both avr[i] and tcg_mask variables * have to be shifted right for 7 and 8 places, respectively, in order to get * bit 1 of byte 2, bit 2 of byte 3.. bit 7 of byte 8 in their final spots so * shifted avr values(saved in tmp) can be and-ed with new value of tcg_mask... * After first 8 iteration(first loop), all the first bits are in their final * places, all second bits but second bit from eight byte are in their places... * only 1 eight bit from eight byte is in it's place). In second loop we do all * operations symmetrically, in order to get other half of bits in their final * spots. Results for first and second doubleword elements are saved in * result[0] and result[1] respectively. In the end those results are saved in * appropriate doubleword element of destination register vD. */ static void trans_vgbbd(DisasContext *ctx) { int VT = rD(ctx->opcode); int VB = rB(ctx->opcode); TCGv_i64 tmp = tcg_temp_new_i64(); uint64_t mask = 0x8040201008040201ULL; int i, j; TCGv_i64 result[2]; result[0] = tcg_temp_new_i64(); result[1] = tcg_temp_new_i64(); TCGv_i64 avr[2]; avr[0] = tcg_temp_new_i64(); avr[1] = tcg_temp_new_i64(); TCGv_i64 tcg_mask = tcg_temp_new_i64(); tcg_gen_movi_i64(tcg_mask, mask); for (j = 0; j < 2; j++) { get_avr64(avr[j], VB, j); tcg_gen_and_i64(result[j], avr[j], tcg_mask); } for (i = 1; i < 8; i++) { tcg_gen_movi_i64(tcg_mask, mask >> (i * 8)); for (j = 0; j < 2; j++) { tcg_gen_shri_i64(tmp, avr[j], i * 7); tcg_gen_and_i64(tmp, tmp, tcg_mask); tcg_gen_or_i64(result[j], result[j], tmp); } } for (i = 1; i < 8; i++) { tcg_gen_movi_i64(tcg_mask, mask << (i * 8)); for (j = 0; j < 2; j++) { tcg_gen_shli_i64(tmp, avr[j], i * 7); tcg_gen_and_i64(tmp, tmp, tcg_mask); tcg_gen_or_i64(result[j], result[j], tmp); } } for (j = 0; j < 2; j++) { set_avr64(VT, result[j], j); } tcg_temp_free_i64(tmp); tcg_temp_free_i64(tcg_mask); tcg_temp_free_i64(result[0]); tcg_temp_free_i64(result[1]); tcg_temp_free_i64(avr[0]); tcg_temp_free_i64(avr[1]); } /* * vclzw VRT,VRB - Vector Count Leading Zeros Word * * Counting the number of leading zero bits of each word element in source * register and placing result in appropriate word element of destination * register. */ static void trans_vclzw(DisasContext *ctx) { int VT = rD(ctx->opcode); int VB = rB(ctx->opcode); TCGv_i32 tmp = tcg_temp_new_i32(); int i; /* Perform count for every word element using tcg_gen_clzi_i32. */ for (i = 0; i < 4; i++) { tcg_gen_ld_i32(tmp, cpu_env, offsetof(CPUPPCState, vsr[32 + VB].u64[0]) + i * 4); tcg_gen_clzi_i32(tmp, tmp, 32); tcg_gen_st_i32(tmp, cpu_env, offsetof(CPUPPCState, vsr[32 + VT].u64[0]) + i * 4); } tcg_temp_free_i32(tmp); } /* * vclzd VRT,VRB - Vector Count Leading Zeros Doubleword * * Counting the number of leading zero bits of each doubleword element in source * register and placing result in appropriate doubleword element of destination * register. */ static void trans_vclzd(DisasContext *ctx) { int VT = rD(ctx->opcode); int VB = rB(ctx->opcode); TCGv_i64 avr = tcg_temp_new_i64(); /* high doubleword */ get_avr64(avr, VB, true); tcg_gen_clzi_i64(avr, avr, 64); set_avr64(VT, avr, true); /* low doubleword */ get_avr64(avr, VB, false); tcg_gen_clzi_i64(avr, avr, 64); set_avr64(VT, avr, false); tcg_temp_free_i64(avr); } GEN_VXFORM(vmuloub, 4, 0); GEN_VXFORM(vmulouh, 4, 1); GEN_VXFORM(vmulouw, 4, 2); GEN_VXFORM(vmuluwm, 4, 2); GEN_VXFORM_DUAL(vmulouw, PPC_ALTIVEC, PPC_NONE, vmuluwm, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM(vmulosb, 4, 4); GEN_VXFORM(vmulosh, 4, 5); GEN_VXFORM(vmulosw, 4, 6); GEN_VXFORM(vmuleub, 4, 8); GEN_VXFORM(vmuleuh, 4, 9); GEN_VXFORM(vmuleuw, 4, 10); GEN_VXFORM(vmulesb, 4, 12); GEN_VXFORM(vmulesh, 4, 13); GEN_VXFORM(vmulesw, 4, 14); GEN_VXFORM_V(vslb, MO_8, tcg_gen_gvec_shlv, 2, 4); GEN_VXFORM_V(vslh, MO_16, tcg_gen_gvec_shlv, 2, 5); GEN_VXFORM_V(vslw, MO_32, tcg_gen_gvec_shlv, 2, 6); GEN_VXFORM(vrlwnm, 2, 6); GEN_VXFORM_DUAL(vslw, PPC_ALTIVEC, PPC_NONE, \ vrlwnm, PPC_NONE, PPC2_ISA300) GEN_VXFORM_V(vsld, MO_64, tcg_gen_gvec_shlv, 2, 23); GEN_VXFORM_V(vsrb, MO_8, tcg_gen_gvec_shrv, 2, 8); GEN_VXFORM_V(vsrh, MO_16, tcg_gen_gvec_shrv, 2, 9); GEN_VXFORM_V(vsrw, MO_32, tcg_gen_gvec_shrv, 2, 10); GEN_VXFORM_V(vsrd, MO_64, tcg_gen_gvec_shrv, 2, 27); GEN_VXFORM_V(vsrab, MO_8, tcg_gen_gvec_sarv, 2, 12); GEN_VXFORM_V(vsrah, MO_16, tcg_gen_gvec_sarv, 2, 13); GEN_VXFORM_V(vsraw, MO_32, tcg_gen_gvec_sarv, 2, 14); GEN_VXFORM_V(vsrad, MO_64, tcg_gen_gvec_sarv, 2, 15); GEN_VXFORM(vsrv, 2, 28); GEN_VXFORM(vslv, 2, 29); GEN_VXFORM(vslo, 6, 16); GEN_VXFORM(vsro, 6, 17); GEN_VXFORM(vaddcuw, 0, 6); GEN_VXFORM(vsubcuw, 0, 22); #define GEN_VXFORM_SAT(NAME, VECE, NORM, SAT, OPC2, OPC3) \ static void glue(glue(gen_, NAME), _vec)(unsigned vece, TCGv_vec t, \ TCGv_vec sat, TCGv_vec a, \ TCGv_vec b) \ { \ TCGv_vec x = tcg_temp_new_vec_matching(t); \ glue(glue(tcg_gen_, NORM), _vec)(VECE, x, a, b); \ glue(glue(tcg_gen_, SAT), _vec)(VECE, t, a, b); \ tcg_gen_cmp_vec(TCG_COND_NE, VECE, x, x, t); \ tcg_gen_or_vec(VECE, sat, sat, x); \ tcg_temp_free_vec(x); \ } \ static void glue(gen_, NAME)(DisasContext *ctx) \ { \ static const TCGOpcode vecop_list[] = { \ glue(glue(INDEX_op_, NORM), _vec), \ glue(glue(INDEX_op_, SAT), _vec), \ INDEX_op_cmp_vec, 0 \ }; \ static const GVecGen4 g = { \ .fniv = glue(glue(gen_, NAME), _vec), \ .fno = glue(gen_helper_, NAME), \ .opt_opc = vecop_list, \ .write_aofs = true, \ .vece = VECE, \ }; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ tcg_gen_gvec_4(avr_full_offset(rD(ctx->opcode)), \ offsetof(CPUPPCState, vscr_sat), \ avr_full_offset(rA(ctx->opcode)), \ avr_full_offset(rB(ctx->opcode)), \ 16, 16, &g); \ } GEN_VXFORM_SAT(vaddubs, MO_8, add, usadd, 0, 8); GEN_VXFORM_DUAL_EXT(vaddubs, PPC_ALTIVEC, PPC_NONE, 0, \ vmul10uq, PPC_NONE, PPC2_ISA300, 0x0000F800) GEN_VXFORM_SAT(vadduhs, MO_16, add, usadd, 0, 9); GEN_VXFORM_DUAL(vadduhs, PPC_ALTIVEC, PPC_NONE, \ vmul10euq, PPC_NONE, PPC2_ISA300) GEN_VXFORM_SAT(vadduws, MO_32, add, usadd, 0, 10); GEN_VXFORM_SAT(vaddsbs, MO_8, add, ssadd, 0, 12); GEN_VXFORM_SAT(vaddshs, MO_16, add, ssadd, 0, 13); GEN_VXFORM_SAT(vaddsws, MO_32, add, ssadd, 0, 14); GEN_VXFORM_SAT(vsububs, MO_8, sub, ussub, 0, 24); GEN_VXFORM_SAT(vsubuhs, MO_16, sub, ussub, 0, 25); GEN_VXFORM_SAT(vsubuws, MO_32, sub, ussub, 0, 26); GEN_VXFORM_SAT(vsubsbs, MO_8, sub, sssub, 0, 28); GEN_VXFORM_SAT(vsubshs, MO_16, sub, sssub, 0, 29); GEN_VXFORM_SAT(vsubsws, MO_32, sub, sssub, 0, 30); GEN_VXFORM(vadduqm, 0, 4); GEN_VXFORM(vaddcuq, 0, 5); GEN_VXFORM3(vaddeuqm, 30, 0); GEN_VXFORM3(vaddecuq, 30, 0); GEN_VXFORM_DUAL(vaddeuqm, PPC_NONE, PPC2_ALTIVEC_207, \ vaddecuq, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM(vsubuqm, 0, 20); GEN_VXFORM(vsubcuq, 0, 21); GEN_VXFORM3(vsubeuqm, 31, 0); GEN_VXFORM3(vsubecuq, 31, 0); GEN_VXFORM_DUAL(vsubeuqm, PPC_NONE, PPC2_ALTIVEC_207, \ vsubecuq, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM(vrlb, 2, 0); GEN_VXFORM(vrlh, 2, 1); GEN_VXFORM(vrlw, 2, 2); GEN_VXFORM(vrlwmi, 2, 2); GEN_VXFORM_DUAL(vrlw, PPC_ALTIVEC, PPC_NONE, \ vrlwmi, PPC_NONE, PPC2_ISA300) GEN_VXFORM(vrld, 2, 3); GEN_VXFORM(vrldmi, 2, 3); GEN_VXFORM_DUAL(vrld, PPC_NONE, PPC2_ALTIVEC_207, \ vrldmi, PPC_NONE, PPC2_ISA300) GEN_VXFORM_TRANS(vsl, 2, 7); GEN_VXFORM(vrldnm, 2, 7); GEN_VXFORM_DUAL(vsl, PPC_ALTIVEC, PPC_NONE, \ vrldnm, PPC_NONE, PPC2_ISA300) GEN_VXFORM_TRANS(vsr, 2, 11); GEN_VXFORM_ENV(vpkuhum, 7, 0); GEN_VXFORM_ENV(vpkuwum, 7, 1); GEN_VXFORM_ENV(vpkudum, 7, 17); GEN_VXFORM_ENV(vpkuhus, 7, 2); GEN_VXFORM_ENV(vpkuwus, 7, 3); GEN_VXFORM_ENV(vpkudus, 7, 19); GEN_VXFORM_ENV(vpkshus, 7, 4); GEN_VXFORM_ENV(vpkswus, 7, 5); GEN_VXFORM_ENV(vpksdus, 7, 21); GEN_VXFORM_ENV(vpkshss, 7, 6); GEN_VXFORM_ENV(vpkswss, 7, 7); GEN_VXFORM_ENV(vpksdss, 7, 23); GEN_VXFORM(vpkpx, 7, 12); GEN_VXFORM_ENV(vsum4ubs, 4, 24); GEN_VXFORM_ENV(vsum4sbs, 4, 28); GEN_VXFORM_ENV(vsum4shs, 4, 25); GEN_VXFORM_ENV(vsum2sws, 4, 26); GEN_VXFORM_ENV(vsumsws, 4, 30); GEN_VXFORM_ENV(vaddfp, 5, 0); GEN_VXFORM_ENV(vsubfp, 5, 1); GEN_VXFORM_ENV(vmaxfp, 5, 16); GEN_VXFORM_ENV(vminfp, 5, 17); GEN_VXFORM_HETRO(vextublx, 6, 24) GEN_VXFORM_HETRO(vextuhlx, 6, 25) GEN_VXFORM_HETRO(vextuwlx, 6, 26) GEN_VXFORM_TRANS_DUAL(vmrgow, PPC_NONE, PPC2_ALTIVEC_207, vextuwlx, PPC_NONE, PPC2_ISA300) GEN_VXFORM_HETRO(vextubrx, 6, 28) GEN_VXFORM_HETRO(vextuhrx, 6, 29) GEN_VXFORM_HETRO(vextuwrx, 6, 30) GEN_VXFORM_TRANS(lvsl, 6, 31) GEN_VXFORM_TRANS(lvsr, 6, 32) GEN_VXFORM_TRANS_DUAL(vmrgew, PPC_NONE, PPC2_ALTIVEC_207, vextuwrx, PPC_NONE, PPC2_ISA300) #define GEN_VXRFORM1(opname, name, str, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv_ptr ra, rb, rd; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ ra = gen_avr_ptr(rA(ctx->opcode)); \ rb = gen_avr_ptr(rB(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ gen_helper_##opname(cpu_env, rd, ra, rb); \ tcg_temp_free_ptr(ra); \ tcg_temp_free_ptr(rb); \ tcg_temp_free_ptr(rd); \ } #define GEN_VXRFORM(name, opc2, opc3) \ GEN_VXRFORM1(name, name, #name, opc2, opc3) \ GEN_VXRFORM1(name##_dot, name##_, #name ".", opc2, (opc3 | (0x1 << 4))) /* * Support for Altivec instructions that use bit 31 (Rc) as an opcode * bit but also use bit 21 as an actual Rc bit. In general, thse pairs * come from different versions of the ISA, so we must also support a * pair of flags for each instruction. */ #define GEN_VXRFORM_DUAL(name0, flg0, flg2_0, name1, flg1, flg2_1) \ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \ if ((Rc(ctx->opcode) == 0) && \ ((ctx->insns_flags & flg0) || (ctx->insns_flags2 & flg2_0))) { \ if (Rc21(ctx->opcode) == 0) { \ gen_##name0(ctx); \ } else { \ gen_##name0##_(ctx); \ } \ } else if ((Rc(ctx->opcode) == 1) && \ ((ctx->insns_flags & flg1) || (ctx->insns_flags2 & flg2_1))) { \ if (Rc21(ctx->opcode) == 0) { \ gen_##name1(ctx); \ } else { \ gen_##name1##_(ctx); \ } \ } else { \ gen_inval_exception(ctx, POWERPC_EXCP_INVAL_INVAL); \ } \ } GEN_VXRFORM(vcmpequb, 3, 0) GEN_VXRFORM(vcmpequh, 3, 1) GEN_VXRFORM(vcmpequw, 3, 2) GEN_VXRFORM(vcmpequd, 3, 3) GEN_VXRFORM(vcmpnezb, 3, 4) GEN_VXRFORM(vcmpnezh, 3, 5) GEN_VXRFORM(vcmpnezw, 3, 6) GEN_VXRFORM(vcmpgtsb, 3, 12) GEN_VXRFORM(vcmpgtsh, 3, 13) GEN_VXRFORM(vcmpgtsw, 3, 14) GEN_VXRFORM(vcmpgtsd, 3, 15) GEN_VXRFORM(vcmpgtub, 3, 8) GEN_VXRFORM(vcmpgtuh, 3, 9) GEN_VXRFORM(vcmpgtuw, 3, 10) GEN_VXRFORM(vcmpgtud, 3, 11) GEN_VXRFORM(vcmpeqfp, 3, 3) GEN_VXRFORM(vcmpgefp, 3, 7) GEN_VXRFORM(vcmpgtfp, 3, 11) GEN_VXRFORM(vcmpbfp, 3, 15) GEN_VXRFORM(vcmpneb, 3, 0) GEN_VXRFORM(vcmpneh, 3, 1) GEN_VXRFORM(vcmpnew, 3, 2) GEN_VXRFORM_DUAL(vcmpequb, PPC_ALTIVEC, PPC_NONE, \ vcmpneb, PPC_NONE, PPC2_ISA300) GEN_VXRFORM_DUAL(vcmpequh, PPC_ALTIVEC, PPC_NONE, \ vcmpneh, PPC_NONE, PPC2_ISA300) GEN_VXRFORM_DUAL(vcmpequw, PPC_ALTIVEC, PPC_NONE, \ vcmpnew, PPC_NONE, PPC2_ISA300) GEN_VXRFORM_DUAL(vcmpeqfp, PPC_ALTIVEC, PPC_NONE, \ vcmpequd, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXRFORM_DUAL(vcmpbfp, PPC_ALTIVEC, PPC_NONE, \ vcmpgtsd, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXRFORM_DUAL(vcmpgtfp, PPC_ALTIVEC, PPC_NONE, \ vcmpgtud, PPC_NONE, PPC2_ALTIVEC_207) #define GEN_VXFORM_DUPI(name, tcg_op, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ int simm; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ simm = SIMM5(ctx->opcode); \ tcg_op(avr_full_offset(rD(ctx->opcode)), 16, 16, simm); \ } GEN_VXFORM_DUPI(vspltisb, tcg_gen_gvec_dup8i, 6, 12); GEN_VXFORM_DUPI(vspltish, tcg_gen_gvec_dup16i, 6, 13); GEN_VXFORM_DUPI(vspltisw, tcg_gen_gvec_dup32i, 6, 14); #define GEN_VXFORM_NOA(name, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv_ptr rb, rd; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ rb = gen_avr_ptr(rB(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ gen_helper_##name(rd, rb); \ tcg_temp_free_ptr(rb); \ tcg_temp_free_ptr(rd); \ } #define GEN_VXFORM_NOA_ENV(name, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv_ptr rb, rd; \ \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ rb = gen_avr_ptr(rB(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ gen_helper_##name(cpu_env, rd, rb); \ tcg_temp_free_ptr(rb); \ tcg_temp_free_ptr(rd); \ } #define GEN_VXFORM_NOA_2(name, opc2, opc3, opc4) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv_ptr rb, rd; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ rb = gen_avr_ptr(rB(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ gen_helper_##name(rd, rb); \ tcg_temp_free_ptr(rb); \ tcg_temp_free_ptr(rd); \ } #define GEN_VXFORM_NOA_3(name, opc2, opc3, opc4) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv_ptr rb; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ rb = gen_avr_ptr(rB(ctx->opcode)); \ gen_helper_##name(cpu_gpr[rD(ctx->opcode)], rb); \ tcg_temp_free_ptr(rb); \ } GEN_VXFORM_NOA(vupkhsb, 7, 8); GEN_VXFORM_NOA(vupkhsh, 7, 9); GEN_VXFORM_NOA(vupkhsw, 7, 25); GEN_VXFORM_NOA(vupklsb, 7, 10); GEN_VXFORM_NOA(vupklsh, 7, 11); GEN_VXFORM_NOA(vupklsw, 7, 27); GEN_VXFORM_NOA(vupkhpx, 7, 13); GEN_VXFORM_NOA(vupklpx, 7, 15); GEN_VXFORM_NOA_ENV(vrefp, 5, 4); GEN_VXFORM_NOA_ENV(vrsqrtefp, 5, 5); GEN_VXFORM_NOA_ENV(vexptefp, 5, 6); GEN_VXFORM_NOA_ENV(vlogefp, 5, 7); GEN_VXFORM_NOA_ENV(vrfim, 5, 11); GEN_VXFORM_NOA_ENV(vrfin, 5, 8); GEN_VXFORM_NOA_ENV(vrfip, 5, 10); GEN_VXFORM_NOA_ENV(vrfiz, 5, 9); GEN_VXFORM_NOA(vprtybw, 1, 24); GEN_VXFORM_NOA(vprtybd, 1, 24); GEN_VXFORM_NOA(vprtybq, 1, 24); static void gen_vsplt(DisasContext *ctx, int vece) { int uimm, dofs, bofs; if (unlikely(!ctx->altivec_enabled)) { gen_exception(ctx, POWERPC_EXCP_VPU); return; } uimm = UIMM5(ctx->opcode); bofs = avr_full_offset(rB(ctx->opcode)); dofs = avr_full_offset(rD(ctx->opcode)); /* Experimental testing shows that hardware masks the immediate. */ bofs += (uimm << vece) & 15; #ifndef HOST_WORDS_BIGENDIAN bofs ^= 15; bofs &= ~((1 << vece) - 1); #endif tcg_gen_gvec_dup_mem(vece, dofs, bofs, 16, 16); } #define GEN_VXFORM_VSPLT(name, vece, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) { gen_vsplt(ctx, vece); } #define GEN_VXFORM_UIMM_ENV(name, opc2, opc3) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv_ptr rb, rd; \ TCGv_i32 uimm; \ \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ uimm = tcg_const_i32(UIMM5(ctx->opcode)); \ rb = gen_avr_ptr(rB(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ gen_helper_##name(cpu_env, rd, rb, uimm); \ tcg_temp_free_i32(uimm); \ tcg_temp_free_ptr(rb); \ tcg_temp_free_ptr(rd); \ } #define GEN_VXFORM_UIMM_SPLAT(name, opc2, opc3, splat_max) \ static void glue(gen_, name)(DisasContext *ctx) \ { \ TCGv_ptr rb, rd; \ uint8_t uimm = UIMM4(ctx->opcode); \ TCGv_i32 t0; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ if (uimm > splat_max) { \ uimm = 0; \ } \ t0 = tcg_temp_new_i32(); \ tcg_gen_movi_i32(t0, uimm); \ rb = gen_avr_ptr(rB(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ gen_helper_##name(rd, rb, t0); \ tcg_temp_free_i32(t0); \ tcg_temp_free_ptr(rb); \ tcg_temp_free_ptr(rd); \ } GEN_VXFORM_VSPLT(vspltb, MO_8, 6, 8); GEN_VXFORM_VSPLT(vsplth, MO_16, 6, 9); GEN_VXFORM_VSPLT(vspltw, MO_32, 6, 10); GEN_VXFORM_UIMM_SPLAT(vextractub, 6, 8, 15); GEN_VXFORM_UIMM_SPLAT(vextractuh, 6, 9, 14); GEN_VXFORM_UIMM_SPLAT(vextractuw, 6, 10, 12); GEN_VXFORM_UIMM_SPLAT(vextractd, 6, 11, 8); GEN_VXFORM_UIMM_SPLAT(vinsertb, 6, 12, 15); GEN_VXFORM_UIMM_SPLAT(vinserth, 6, 13, 14); GEN_VXFORM_UIMM_SPLAT(vinsertw, 6, 14, 12); GEN_VXFORM_UIMM_SPLAT(vinsertd, 6, 15, 8); GEN_VXFORM_UIMM_ENV(vcfux, 5, 12); GEN_VXFORM_UIMM_ENV(vcfsx, 5, 13); GEN_VXFORM_UIMM_ENV(vctuxs, 5, 14); GEN_VXFORM_UIMM_ENV(vctsxs, 5, 15); GEN_VXFORM_DUAL(vspltb, PPC_ALTIVEC, PPC_NONE, vextractub, PPC_NONE, PPC2_ISA300); GEN_VXFORM_DUAL(vsplth, PPC_ALTIVEC, PPC_NONE, vextractuh, PPC_NONE, PPC2_ISA300); GEN_VXFORM_DUAL(vspltw, PPC_ALTIVEC, PPC_NONE, vextractuw, PPC_NONE, PPC2_ISA300); GEN_VXFORM_DUAL(vspltisb, PPC_ALTIVEC, PPC_NONE, vinsertb, PPC_NONE, PPC2_ISA300); GEN_VXFORM_DUAL(vspltish, PPC_ALTIVEC, PPC_NONE, vinserth, PPC_NONE, PPC2_ISA300); GEN_VXFORM_DUAL(vspltisw, PPC_ALTIVEC, PPC_NONE, vinsertw, PPC_NONE, PPC2_ISA300); static void gen_vsldoi(DisasContext *ctx) { TCGv_ptr ra, rb, rd; TCGv_i32 sh; if (unlikely(!ctx->altivec_enabled)) { gen_exception(ctx, POWERPC_EXCP_VPU); return; } ra = gen_avr_ptr(rA(ctx->opcode)); rb = gen_avr_ptr(rB(ctx->opcode)); rd = gen_avr_ptr(rD(ctx->opcode)); sh = tcg_const_i32(VSH(ctx->opcode)); gen_helper_vsldoi(rd, ra, rb, sh); tcg_temp_free_ptr(ra); tcg_temp_free_ptr(rb); tcg_temp_free_ptr(rd); tcg_temp_free_i32(sh); } #define GEN_VAFORM_PAIRED(name0, name1, opc2) \ static void glue(gen_, name0##_##name1)(DisasContext *ctx) \ { \ TCGv_ptr ra, rb, rc, rd; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ ra = gen_avr_ptr(rA(ctx->opcode)); \ rb = gen_avr_ptr(rB(ctx->opcode)); \ rc = gen_avr_ptr(rC(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ if (Rc(ctx->opcode)) { \ gen_helper_##name1(cpu_env, rd, ra, rb, rc); \ } else { \ gen_helper_##name0(cpu_env, rd, ra, rb, rc); \ } \ tcg_temp_free_ptr(ra); \ tcg_temp_free_ptr(rb); \ tcg_temp_free_ptr(rc); \ tcg_temp_free_ptr(rd); \ } GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 16) static void gen_vmladduhm(DisasContext *ctx) { TCGv_ptr ra, rb, rc, rd; if (unlikely(!ctx->altivec_enabled)) { gen_exception(ctx, POWERPC_EXCP_VPU); return; } ra = gen_avr_ptr(rA(ctx->opcode)); rb = gen_avr_ptr(rB(ctx->opcode)); rc = gen_avr_ptr(rC(ctx->opcode)); rd = gen_avr_ptr(rD(ctx->opcode)); gen_helper_vmladduhm(rd, ra, rb, rc); tcg_temp_free_ptr(ra); tcg_temp_free_ptr(rb); tcg_temp_free_ptr(rc); tcg_temp_free_ptr(rd); } static void gen_vpermr(DisasContext *ctx) { TCGv_ptr ra, rb, rc, rd; if (unlikely(!ctx->altivec_enabled)) { gen_exception(ctx, POWERPC_EXCP_VPU); return; } ra = gen_avr_ptr(rA(ctx->opcode)); rb = gen_avr_ptr(rB(ctx->opcode)); rc = gen_avr_ptr(rC(ctx->opcode)); rd = gen_avr_ptr(rD(ctx->opcode)); gen_helper_vpermr(cpu_env, rd, ra, rb, rc); tcg_temp_free_ptr(ra); tcg_temp_free_ptr(rb); tcg_temp_free_ptr(rc); tcg_temp_free_ptr(rd); } GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18) GEN_VAFORM_PAIRED(vmsumuhm, vmsumuhs, 19) GEN_VAFORM_PAIRED(vmsumshm, vmsumshs, 20) GEN_VAFORM_PAIRED(vsel, vperm, 21) GEN_VAFORM_PAIRED(vmaddfp, vnmsubfp, 23) GEN_VXFORM_NOA(vclzb, 1, 28) GEN_VXFORM_NOA(vclzh, 1, 29) GEN_VXFORM_TRANS(vclzw, 1, 30) GEN_VXFORM_TRANS(vclzd, 1, 31) GEN_VXFORM_NOA_2(vnegw, 1, 24, 6) GEN_VXFORM_NOA_2(vnegd, 1, 24, 7) GEN_VXFORM_NOA_2(vextsb2w, 1, 24, 16) GEN_VXFORM_NOA_2(vextsh2w, 1, 24, 17) GEN_VXFORM_NOA_2(vextsb2d, 1, 24, 24) GEN_VXFORM_NOA_2(vextsh2d, 1, 24, 25) GEN_VXFORM_NOA_2(vextsw2d, 1, 24, 26) GEN_VXFORM_NOA_2(vctzb, 1, 24, 28) GEN_VXFORM_NOA_2(vctzh, 1, 24, 29) GEN_VXFORM_NOA_2(vctzw, 1, 24, 30) GEN_VXFORM_NOA_2(vctzd, 1, 24, 31) GEN_VXFORM_NOA_3(vclzlsbb, 1, 24, 0) GEN_VXFORM_NOA_3(vctzlsbb, 1, 24, 1) GEN_VXFORM_NOA(vpopcntb, 1, 28) GEN_VXFORM_NOA(vpopcnth, 1, 29) GEN_VXFORM_NOA(vpopcntw, 1, 30) GEN_VXFORM_NOA(vpopcntd, 1, 31) GEN_VXFORM_DUAL(vclzb, PPC_NONE, PPC2_ALTIVEC_207, \ vpopcntb, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM_DUAL(vclzh, PPC_NONE, PPC2_ALTIVEC_207, \ vpopcnth, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM_DUAL(vclzw, PPC_NONE, PPC2_ALTIVEC_207, \ vpopcntw, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM_DUAL(vclzd, PPC_NONE, PPC2_ALTIVEC_207, \ vpopcntd, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM(vbpermd, 6, 23); GEN_VXFORM(vbpermq, 6, 21); GEN_VXFORM_TRANS(vgbbd, 6, 20); GEN_VXFORM(vpmsumb, 4, 16) GEN_VXFORM(vpmsumh, 4, 17) GEN_VXFORM(vpmsumw, 4, 18) GEN_VXFORM(vpmsumd, 4, 19) #define GEN_BCD(op) \ static void gen_##op(DisasContext *ctx) \ { \ TCGv_ptr ra, rb, rd; \ TCGv_i32 ps; \ \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ \ ra = gen_avr_ptr(rA(ctx->opcode)); \ rb = gen_avr_ptr(rB(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ \ ps = tcg_const_i32((ctx->opcode & 0x200) != 0); \ \ gen_helper_##op(cpu_crf[6], rd, ra, rb, ps); \ \ tcg_temp_free_ptr(ra); \ tcg_temp_free_ptr(rb); \ tcg_temp_free_ptr(rd); \ tcg_temp_free_i32(ps); \ } #define GEN_BCD2(op) \ static void gen_##op(DisasContext *ctx) \ { \ TCGv_ptr rd, rb; \ TCGv_i32 ps; \ \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ \ rb = gen_avr_ptr(rB(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ \ ps = tcg_const_i32((ctx->opcode & 0x200) != 0); \ \ gen_helper_##op(cpu_crf[6], rd, rb, ps); \ \ tcg_temp_free_ptr(rb); \ tcg_temp_free_ptr(rd); \ tcg_temp_free_i32(ps); \ } GEN_BCD(bcdadd) GEN_BCD(bcdsub) GEN_BCD2(bcdcfn) GEN_BCD2(bcdctn) GEN_BCD2(bcdcfz) GEN_BCD2(bcdctz) GEN_BCD2(bcdcfsq) GEN_BCD2(bcdctsq) GEN_BCD2(bcdsetsgn) GEN_BCD(bcdcpsgn); GEN_BCD(bcds); GEN_BCD(bcdus); GEN_BCD(bcdsr); GEN_BCD(bcdtrunc); GEN_BCD(bcdutrunc); static void gen_xpnd04_1(DisasContext *ctx) { switch (opc4(ctx->opcode)) { case 0: gen_bcdctsq(ctx); break; case 2: gen_bcdcfsq(ctx); break; case 4: gen_bcdctz(ctx); break; case 5: gen_bcdctn(ctx); break; case 6: gen_bcdcfz(ctx); break; case 7: gen_bcdcfn(ctx); break; case 31: gen_bcdsetsgn(ctx); break; default: gen_invalid(ctx); break; } } static void gen_xpnd04_2(DisasContext *ctx) { switch (opc4(ctx->opcode)) { case 0: gen_bcdctsq(ctx); break; case 2: gen_bcdcfsq(ctx); break; case 4: gen_bcdctz(ctx); break; case 6: gen_bcdcfz(ctx); break; case 7: gen_bcdcfn(ctx); break; case 31: gen_bcdsetsgn(ctx); break; default: gen_invalid(ctx); break; } } GEN_VXFORM_DUAL(vsubcuw, PPC_ALTIVEC, PPC_NONE, \ xpnd04_1, PPC_NONE, PPC2_ISA300) GEN_VXFORM_DUAL(vsubsws, PPC_ALTIVEC, PPC_NONE, \ xpnd04_2, PPC_NONE, PPC2_ISA300) GEN_VXFORM_DUAL(vsububm, PPC_ALTIVEC, PPC_NONE, \ bcdadd, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM_DUAL(vsububs, PPC_ALTIVEC, PPC_NONE, \ bcdadd, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM_DUAL(vsubuhm, PPC_ALTIVEC, PPC_NONE, \ bcdsub, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM_DUAL(vsubuhs, PPC_ALTIVEC, PPC_NONE, \ bcdsub, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM_DUAL(vaddshs, PPC_ALTIVEC, PPC_NONE, \ bcdcpsgn, PPC_NONE, PPC2_ISA300) GEN_VXFORM_DUAL(vsubudm, PPC2_ALTIVEC_207, PPC_NONE, \ bcds, PPC_NONE, PPC2_ISA300) GEN_VXFORM_DUAL(vsubuwm, PPC_ALTIVEC, PPC_NONE, \ bcdus, PPC_NONE, PPC2_ISA300) GEN_VXFORM_DUAL(vsubsbs, PPC_ALTIVEC, PPC_NONE, \ bcdtrunc, PPC_NONE, PPC2_ISA300) GEN_VXFORM_DUAL(vsubuqm, PPC2_ALTIVEC_207, PPC_NONE, \ bcdtrunc, PPC_NONE, PPC2_ISA300) GEN_VXFORM_DUAL(vsubcuq, PPC2_ALTIVEC_207, PPC_NONE, \ bcdutrunc, PPC_NONE, PPC2_ISA300) static void gen_vsbox(DisasContext *ctx) { TCGv_ptr ra, rd; if (unlikely(!ctx->altivec_enabled)) { gen_exception(ctx, POWERPC_EXCP_VPU); return; } ra = gen_avr_ptr(rA(ctx->opcode)); rd = gen_avr_ptr(rD(ctx->opcode)); gen_helper_vsbox(rd, ra); tcg_temp_free_ptr(ra); tcg_temp_free_ptr(rd); } GEN_VXFORM(vcipher, 4, 20) GEN_VXFORM(vcipherlast, 4, 20) GEN_VXFORM(vncipher, 4, 21) GEN_VXFORM(vncipherlast, 4, 21) GEN_VXFORM_DUAL(vcipher, PPC_NONE, PPC2_ALTIVEC_207, vcipherlast, PPC_NONE, PPC2_ALTIVEC_207) GEN_VXFORM_DUAL(vncipher, PPC_NONE, PPC2_ALTIVEC_207, vncipherlast, PPC_NONE, PPC2_ALTIVEC_207) #define VSHASIGMA(op) \ static void gen_##op(DisasContext *ctx) \ { \ TCGv_ptr ra, rd; \ TCGv_i32 st_six; \ if (unlikely(!ctx->altivec_enabled)) { \ gen_exception(ctx, POWERPC_EXCP_VPU); \ return; \ } \ ra = gen_avr_ptr(rA(ctx->opcode)); \ rd = gen_avr_ptr(rD(ctx->opcode)); \ st_six = tcg_const_i32(rB(ctx->opcode)); \ gen_helper_##op(rd, ra, st_six); \ tcg_temp_free_ptr(ra); \ tcg_temp_free_ptr(rd); \ tcg_temp_free_i32(st_six); \ } VSHASIGMA(vshasigmaw) VSHASIGMA(vshasigmad) GEN_VXFORM3(vpermxor, 22, 0xFF) GEN_VXFORM_DUAL(vsldoi, PPC_ALTIVEC, PPC_NONE, vpermxor, PPC_NONE, PPC2_ALTIVEC_207) #undef GEN_VR_LDX #undef GEN_VR_STX #undef GEN_VR_LVE #undef GEN_VR_STVE #undef GEN_VX_LOGICAL #undef GEN_VX_LOGICAL_207 #undef GEN_VXFORM #undef GEN_VXFORM_207 #undef GEN_VXFORM_DUAL #undef GEN_VXRFORM_DUAL #undef GEN_VXRFORM1 #undef GEN_VXRFORM #undef GEN_VXFORM_DUPI #undef GEN_VXFORM_NOA #undef GEN_VXFORM_UIMM #undef GEN_VAFORM_PAIRED #undef GEN_BCD2