3354 lines
102 KiB
C
3354 lines
102 KiB
C
/*
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* Tiny Code Generator for QEMU
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*
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* Copyright (c) 2008 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "cpu.h"
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#include "exec/exec-all.h"
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#include "tcg/tcg.h"
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#include "tcg/tcg-op.h"
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#include "tcg/tcg-mo.h"
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#include "trace-tcg.h"
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#include "trace/mem.h"
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#include "exec/plugin-gen.h"
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/* Reduce the number of ifdefs below. This assumes that all uses of
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TCGV_HIGH and TCGV_LOW are properly protected by a conditional that
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the compiler can eliminate. */
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#if TCG_TARGET_REG_BITS == 64
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extern TCGv_i32 TCGV_LOW_link_error(TCGv_i64);
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extern TCGv_i32 TCGV_HIGH_link_error(TCGv_i64);
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#define TCGV_LOW TCGV_LOW_link_error
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#define TCGV_HIGH TCGV_HIGH_link_error
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#endif
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void tcg_gen_op1(TCGOpcode opc, TCGArg a1)
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{
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TCGOp *op = tcg_emit_op(opc);
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op->args[0] = a1;
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}
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void tcg_gen_op2(TCGOpcode opc, TCGArg a1, TCGArg a2)
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{
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TCGOp *op = tcg_emit_op(opc);
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op->args[0] = a1;
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op->args[1] = a2;
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}
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void tcg_gen_op3(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3)
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{
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TCGOp *op = tcg_emit_op(opc);
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op->args[0] = a1;
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op->args[1] = a2;
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op->args[2] = a3;
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}
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void tcg_gen_op4(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3, TCGArg a4)
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{
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TCGOp *op = tcg_emit_op(opc);
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op->args[0] = a1;
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op->args[1] = a2;
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op->args[2] = a3;
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op->args[3] = a4;
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}
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void tcg_gen_op5(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3,
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TCGArg a4, TCGArg a5)
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{
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TCGOp *op = tcg_emit_op(opc);
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op->args[0] = a1;
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op->args[1] = a2;
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op->args[2] = a3;
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op->args[3] = a4;
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op->args[4] = a5;
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}
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void tcg_gen_op6(TCGOpcode opc, TCGArg a1, TCGArg a2, TCGArg a3,
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TCGArg a4, TCGArg a5, TCGArg a6)
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{
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TCGOp *op = tcg_emit_op(opc);
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op->args[0] = a1;
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op->args[1] = a2;
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op->args[2] = a3;
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op->args[3] = a4;
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op->args[4] = a5;
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op->args[5] = a6;
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}
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void tcg_gen_mb(TCGBar mb_type)
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{
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if (tcg_ctx->tb_cflags & CF_PARALLEL) {
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tcg_gen_op1(INDEX_op_mb, mb_type);
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}
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}
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/* 32 bit ops */
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void tcg_gen_movi_i32(TCGv_i32 ret, int32_t arg)
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{
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tcg_gen_mov_i32(ret, tcg_constant_i32(arg));
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}
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void tcg_gen_addi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
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{
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/* some cases can be optimized here */
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if (arg2 == 0) {
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tcg_gen_mov_i32(ret, arg1);
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} else {
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tcg_gen_add_i32(ret, arg1, tcg_constant_i32(arg2));
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}
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}
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void tcg_gen_subfi_i32(TCGv_i32 ret, int32_t arg1, TCGv_i32 arg2)
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{
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if (arg1 == 0 && TCG_TARGET_HAS_neg_i32) {
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/* Don't recurse with tcg_gen_neg_i32. */
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tcg_gen_op2_i32(INDEX_op_neg_i32, ret, arg2);
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} else {
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tcg_gen_sub_i32(ret, tcg_constant_i32(arg1), arg2);
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}
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}
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void tcg_gen_subi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
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{
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/* some cases can be optimized here */
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if (arg2 == 0) {
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tcg_gen_mov_i32(ret, arg1);
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} else {
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tcg_gen_sub_i32(ret, arg1, tcg_constant_i32(arg2));
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}
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}
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void tcg_gen_andi_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
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{
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/* Some cases can be optimized here. */
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switch (arg2) {
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case 0:
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tcg_gen_movi_i32(ret, 0);
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return;
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case -1:
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tcg_gen_mov_i32(ret, arg1);
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return;
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case 0xff:
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/* Don't recurse with tcg_gen_ext8u_i32. */
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if (TCG_TARGET_HAS_ext8u_i32) {
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tcg_gen_op2_i32(INDEX_op_ext8u_i32, ret, arg1);
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return;
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}
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break;
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case 0xffff:
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if (TCG_TARGET_HAS_ext16u_i32) {
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tcg_gen_op2_i32(INDEX_op_ext16u_i32, ret, arg1);
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return;
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}
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break;
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}
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tcg_gen_and_i32(ret, arg1, tcg_constant_i32(arg2));
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}
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void tcg_gen_ori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
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{
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/* Some cases can be optimized here. */
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if (arg2 == -1) {
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tcg_gen_movi_i32(ret, -1);
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} else if (arg2 == 0) {
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tcg_gen_mov_i32(ret, arg1);
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} else {
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tcg_gen_or_i32(ret, arg1, tcg_constant_i32(arg2));
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}
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}
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void tcg_gen_xori_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
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{
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/* Some cases can be optimized here. */
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if (arg2 == 0) {
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tcg_gen_mov_i32(ret, arg1);
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} else if (arg2 == -1 && TCG_TARGET_HAS_not_i32) {
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/* Don't recurse with tcg_gen_not_i32. */
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tcg_gen_op2_i32(INDEX_op_not_i32, ret, arg1);
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} else {
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tcg_gen_xor_i32(ret, arg1, tcg_constant_i32(arg2));
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}
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}
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void tcg_gen_shli_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
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{
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tcg_debug_assert(arg2 >= 0 && arg2 < 32);
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if (arg2 == 0) {
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tcg_gen_mov_i32(ret, arg1);
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} else {
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tcg_gen_shl_i32(ret, arg1, tcg_constant_i32(arg2));
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}
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}
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void tcg_gen_shri_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
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{
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tcg_debug_assert(arg2 >= 0 && arg2 < 32);
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if (arg2 == 0) {
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tcg_gen_mov_i32(ret, arg1);
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} else {
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tcg_gen_shr_i32(ret, arg1, tcg_constant_i32(arg2));
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}
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}
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void tcg_gen_sari_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
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{
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tcg_debug_assert(arg2 >= 0 && arg2 < 32);
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if (arg2 == 0) {
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tcg_gen_mov_i32(ret, arg1);
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} else {
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tcg_gen_sar_i32(ret, arg1, tcg_constant_i32(arg2));
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}
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}
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void tcg_gen_brcond_i32(TCGCond cond, TCGv_i32 arg1, TCGv_i32 arg2, TCGLabel *l)
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{
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if (cond == TCG_COND_ALWAYS) {
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tcg_gen_br(l);
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} else if (cond != TCG_COND_NEVER) {
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l->refs++;
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tcg_gen_op4ii_i32(INDEX_op_brcond_i32, arg1, arg2, cond, label_arg(l));
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}
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}
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void tcg_gen_brcondi_i32(TCGCond cond, TCGv_i32 arg1, int32_t arg2, TCGLabel *l)
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{
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if (cond == TCG_COND_ALWAYS) {
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tcg_gen_br(l);
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} else if (cond != TCG_COND_NEVER) {
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tcg_gen_brcond_i32(cond, arg1, tcg_constant_i32(arg2), l);
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}
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}
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void tcg_gen_setcond_i32(TCGCond cond, TCGv_i32 ret,
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TCGv_i32 arg1, TCGv_i32 arg2)
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{
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if (cond == TCG_COND_ALWAYS) {
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tcg_gen_movi_i32(ret, 1);
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} else if (cond == TCG_COND_NEVER) {
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tcg_gen_movi_i32(ret, 0);
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} else {
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tcg_gen_op4i_i32(INDEX_op_setcond_i32, ret, arg1, arg2, cond);
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}
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}
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void tcg_gen_setcondi_i32(TCGCond cond, TCGv_i32 ret,
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TCGv_i32 arg1, int32_t arg2)
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{
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tcg_gen_setcond_i32(cond, ret, arg1, tcg_constant_i32(arg2));
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}
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void tcg_gen_muli_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
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{
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if (arg2 == 0) {
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tcg_gen_movi_i32(ret, 0);
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} else if (is_power_of_2(arg2)) {
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tcg_gen_shli_i32(ret, arg1, ctz32(arg2));
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} else {
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tcg_gen_mul_i32(ret, arg1, tcg_constant_i32(arg2));
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}
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}
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void tcg_gen_div_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
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{
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if (TCG_TARGET_HAS_div_i32) {
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tcg_gen_op3_i32(INDEX_op_div_i32, ret, arg1, arg2);
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} else if (TCG_TARGET_HAS_div2_i32) {
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TCGv_i32 t0 = tcg_temp_new_i32();
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tcg_gen_sari_i32(t0, arg1, 31);
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tcg_gen_op5_i32(INDEX_op_div2_i32, ret, t0, arg1, t0, arg2);
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tcg_temp_free_i32(t0);
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} else {
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gen_helper_div_i32(ret, arg1, arg2);
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}
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}
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void tcg_gen_rem_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
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{
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if (TCG_TARGET_HAS_rem_i32) {
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tcg_gen_op3_i32(INDEX_op_rem_i32, ret, arg1, arg2);
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} else if (TCG_TARGET_HAS_div_i32) {
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TCGv_i32 t0 = tcg_temp_new_i32();
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tcg_gen_op3_i32(INDEX_op_div_i32, t0, arg1, arg2);
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tcg_gen_mul_i32(t0, t0, arg2);
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tcg_gen_sub_i32(ret, arg1, t0);
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tcg_temp_free_i32(t0);
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} else if (TCG_TARGET_HAS_div2_i32) {
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TCGv_i32 t0 = tcg_temp_new_i32();
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tcg_gen_sari_i32(t0, arg1, 31);
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tcg_gen_op5_i32(INDEX_op_div2_i32, t0, ret, arg1, t0, arg2);
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tcg_temp_free_i32(t0);
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} else {
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gen_helper_rem_i32(ret, arg1, arg2);
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}
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}
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void tcg_gen_divu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
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{
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if (TCG_TARGET_HAS_div_i32) {
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tcg_gen_op3_i32(INDEX_op_divu_i32, ret, arg1, arg2);
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} else if (TCG_TARGET_HAS_div2_i32) {
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TCGv_i32 t0 = tcg_temp_new_i32();
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tcg_gen_movi_i32(t0, 0);
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tcg_gen_op5_i32(INDEX_op_divu2_i32, ret, t0, arg1, t0, arg2);
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tcg_temp_free_i32(t0);
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} else {
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gen_helper_divu_i32(ret, arg1, arg2);
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}
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}
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void tcg_gen_remu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
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{
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if (TCG_TARGET_HAS_rem_i32) {
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tcg_gen_op3_i32(INDEX_op_remu_i32, ret, arg1, arg2);
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} else if (TCG_TARGET_HAS_div_i32) {
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TCGv_i32 t0 = tcg_temp_new_i32();
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tcg_gen_op3_i32(INDEX_op_divu_i32, t0, arg1, arg2);
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tcg_gen_mul_i32(t0, t0, arg2);
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tcg_gen_sub_i32(ret, arg1, t0);
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tcg_temp_free_i32(t0);
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} else if (TCG_TARGET_HAS_div2_i32) {
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TCGv_i32 t0 = tcg_temp_new_i32();
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tcg_gen_movi_i32(t0, 0);
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tcg_gen_op5_i32(INDEX_op_divu2_i32, t0, ret, arg1, t0, arg2);
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tcg_temp_free_i32(t0);
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} else {
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gen_helper_remu_i32(ret, arg1, arg2);
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}
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}
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void tcg_gen_andc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
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{
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if (TCG_TARGET_HAS_andc_i32) {
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tcg_gen_op3_i32(INDEX_op_andc_i32, ret, arg1, arg2);
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} else {
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TCGv_i32 t0 = tcg_temp_new_i32();
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tcg_gen_not_i32(t0, arg2);
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tcg_gen_and_i32(ret, arg1, t0);
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tcg_temp_free_i32(t0);
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}
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}
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void tcg_gen_eqv_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
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{
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if (TCG_TARGET_HAS_eqv_i32) {
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tcg_gen_op3_i32(INDEX_op_eqv_i32, ret, arg1, arg2);
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} else {
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tcg_gen_xor_i32(ret, arg1, arg2);
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tcg_gen_not_i32(ret, ret);
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}
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}
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void tcg_gen_nand_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
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{
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if (TCG_TARGET_HAS_nand_i32) {
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tcg_gen_op3_i32(INDEX_op_nand_i32, ret, arg1, arg2);
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} else {
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tcg_gen_and_i32(ret, arg1, arg2);
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tcg_gen_not_i32(ret, ret);
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}
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}
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void tcg_gen_nor_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
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{
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if (TCG_TARGET_HAS_nor_i32) {
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tcg_gen_op3_i32(INDEX_op_nor_i32, ret, arg1, arg2);
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} else {
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tcg_gen_or_i32(ret, arg1, arg2);
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tcg_gen_not_i32(ret, ret);
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}
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}
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void tcg_gen_orc_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
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{
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if (TCG_TARGET_HAS_orc_i32) {
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tcg_gen_op3_i32(INDEX_op_orc_i32, ret, arg1, arg2);
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} else {
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TCGv_i32 t0 = tcg_temp_new_i32();
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tcg_gen_not_i32(t0, arg2);
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tcg_gen_or_i32(ret, arg1, t0);
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tcg_temp_free_i32(t0);
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}
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}
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void tcg_gen_clz_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
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{
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if (TCG_TARGET_HAS_clz_i32) {
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tcg_gen_op3_i32(INDEX_op_clz_i32, ret, arg1, arg2);
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} else if (TCG_TARGET_HAS_clz_i64) {
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TCGv_i64 t1 = tcg_temp_new_i64();
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TCGv_i64 t2 = tcg_temp_new_i64();
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tcg_gen_extu_i32_i64(t1, arg1);
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tcg_gen_extu_i32_i64(t2, arg2);
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tcg_gen_addi_i64(t2, t2, 32);
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tcg_gen_clz_i64(t1, t1, t2);
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tcg_gen_extrl_i64_i32(ret, t1);
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tcg_temp_free_i64(t1);
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tcg_temp_free_i64(t2);
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tcg_gen_subi_i32(ret, ret, 32);
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} else {
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gen_helper_clz_i32(ret, arg1, arg2);
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}
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}
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|
|
void tcg_gen_clzi_i32(TCGv_i32 ret, TCGv_i32 arg1, uint32_t arg2)
|
|
{
|
|
tcg_gen_clz_i32(ret, arg1, tcg_constant_i32(arg2));
|
|
}
|
|
|
|
void tcg_gen_ctz_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_ctz_i32) {
|
|
tcg_gen_op3_i32(INDEX_op_ctz_i32, ret, arg1, arg2);
|
|
} else if (TCG_TARGET_HAS_ctz_i64) {
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
TCGv_i64 t2 = tcg_temp_new_i64();
|
|
tcg_gen_extu_i32_i64(t1, arg1);
|
|
tcg_gen_extu_i32_i64(t2, arg2);
|
|
tcg_gen_ctz_i64(t1, t1, t2);
|
|
tcg_gen_extrl_i64_i32(ret, t1);
|
|
tcg_temp_free_i64(t1);
|
|
tcg_temp_free_i64(t2);
|
|
} else if (TCG_TARGET_HAS_ctpop_i32
|
|
|| TCG_TARGET_HAS_ctpop_i64
|
|
|| TCG_TARGET_HAS_clz_i32
|
|
|| TCG_TARGET_HAS_clz_i64) {
|
|
TCGv_i32 z, t = tcg_temp_new_i32();
|
|
|
|
if (TCG_TARGET_HAS_ctpop_i32 || TCG_TARGET_HAS_ctpop_i64) {
|
|
tcg_gen_subi_i32(t, arg1, 1);
|
|
tcg_gen_andc_i32(t, t, arg1);
|
|
tcg_gen_ctpop_i32(t, t);
|
|
} else {
|
|
/* Since all non-x86 hosts have clz(0) == 32, don't fight it. */
|
|
tcg_gen_neg_i32(t, arg1);
|
|
tcg_gen_and_i32(t, t, arg1);
|
|
tcg_gen_clzi_i32(t, t, 32);
|
|
tcg_gen_xori_i32(t, t, 31);
|
|
}
|
|
z = tcg_constant_i32(0);
|
|
tcg_gen_movcond_i32(TCG_COND_EQ, ret, arg1, z, arg2, t);
|
|
tcg_temp_free_i32(t);
|
|
} else {
|
|
gen_helper_ctz_i32(ret, arg1, arg2);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ctzi_i32(TCGv_i32 ret, TCGv_i32 arg1, uint32_t arg2)
|
|
{
|
|
if (!TCG_TARGET_HAS_ctz_i32 && TCG_TARGET_HAS_ctpop_i32 && arg2 == 32) {
|
|
/* This equivalence has the advantage of not requiring a fixup. */
|
|
TCGv_i32 t = tcg_temp_new_i32();
|
|
tcg_gen_subi_i32(t, arg1, 1);
|
|
tcg_gen_andc_i32(t, t, arg1);
|
|
tcg_gen_ctpop_i32(ret, t);
|
|
tcg_temp_free_i32(t);
|
|
} else {
|
|
tcg_gen_ctz_i32(ret, arg1, tcg_constant_i32(arg2));
|
|
}
|
|
}
|
|
|
|
void tcg_gen_clrsb_i32(TCGv_i32 ret, TCGv_i32 arg)
|
|
{
|
|
if (TCG_TARGET_HAS_clz_i32) {
|
|
TCGv_i32 t = tcg_temp_new_i32();
|
|
tcg_gen_sari_i32(t, arg, 31);
|
|
tcg_gen_xor_i32(t, t, arg);
|
|
tcg_gen_clzi_i32(t, t, 32);
|
|
tcg_gen_subi_i32(ret, t, 1);
|
|
tcg_temp_free_i32(t);
|
|
} else {
|
|
gen_helper_clrsb_i32(ret, arg);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ctpop_i32(TCGv_i32 ret, TCGv_i32 arg1)
|
|
{
|
|
if (TCG_TARGET_HAS_ctpop_i32) {
|
|
tcg_gen_op2_i32(INDEX_op_ctpop_i32, ret, arg1);
|
|
} else if (TCG_TARGET_HAS_ctpop_i64) {
|
|
TCGv_i64 t = tcg_temp_new_i64();
|
|
tcg_gen_extu_i32_i64(t, arg1);
|
|
tcg_gen_ctpop_i64(t, t);
|
|
tcg_gen_extrl_i64_i32(ret, t);
|
|
tcg_temp_free_i64(t);
|
|
} else {
|
|
gen_helper_ctpop_i32(ret, arg1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_rotl_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_rot_i32) {
|
|
tcg_gen_op3_i32(INDEX_op_rotl_i32, ret, arg1, arg2);
|
|
} else {
|
|
TCGv_i32 t0, t1;
|
|
|
|
t0 = tcg_temp_new_i32();
|
|
t1 = tcg_temp_new_i32();
|
|
tcg_gen_shl_i32(t0, arg1, arg2);
|
|
tcg_gen_subfi_i32(t1, 32, arg2);
|
|
tcg_gen_shr_i32(t1, arg1, t1);
|
|
tcg_gen_or_i32(ret, t0, t1);
|
|
tcg_temp_free_i32(t0);
|
|
tcg_temp_free_i32(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_rotli_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
|
|
{
|
|
tcg_debug_assert(arg2 >= 0 && arg2 < 32);
|
|
/* some cases can be optimized here */
|
|
if (arg2 == 0) {
|
|
tcg_gen_mov_i32(ret, arg1);
|
|
} else if (TCG_TARGET_HAS_rot_i32) {
|
|
tcg_gen_rotl_i32(ret, arg1, tcg_constant_i32(arg2));
|
|
} else {
|
|
TCGv_i32 t0, t1;
|
|
t0 = tcg_temp_new_i32();
|
|
t1 = tcg_temp_new_i32();
|
|
tcg_gen_shli_i32(t0, arg1, arg2);
|
|
tcg_gen_shri_i32(t1, arg1, 32 - arg2);
|
|
tcg_gen_or_i32(ret, t0, t1);
|
|
tcg_temp_free_i32(t0);
|
|
tcg_temp_free_i32(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_rotr_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_rot_i32) {
|
|
tcg_gen_op3_i32(INDEX_op_rotr_i32, ret, arg1, arg2);
|
|
} else {
|
|
TCGv_i32 t0, t1;
|
|
|
|
t0 = tcg_temp_new_i32();
|
|
t1 = tcg_temp_new_i32();
|
|
tcg_gen_shr_i32(t0, arg1, arg2);
|
|
tcg_gen_subfi_i32(t1, 32, arg2);
|
|
tcg_gen_shl_i32(t1, arg1, t1);
|
|
tcg_gen_or_i32(ret, t0, t1);
|
|
tcg_temp_free_i32(t0);
|
|
tcg_temp_free_i32(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_rotri_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
|
|
{
|
|
tcg_debug_assert(arg2 >= 0 && arg2 < 32);
|
|
/* some cases can be optimized here */
|
|
if (arg2 == 0) {
|
|
tcg_gen_mov_i32(ret, arg1);
|
|
} else {
|
|
tcg_gen_rotli_i32(ret, arg1, 32 - arg2);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_deposit_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2,
|
|
unsigned int ofs, unsigned int len)
|
|
{
|
|
uint32_t mask;
|
|
TCGv_i32 t1;
|
|
|
|
tcg_debug_assert(ofs < 32);
|
|
tcg_debug_assert(len > 0);
|
|
tcg_debug_assert(len <= 32);
|
|
tcg_debug_assert(ofs + len <= 32);
|
|
|
|
if (len == 32) {
|
|
tcg_gen_mov_i32(ret, arg2);
|
|
return;
|
|
}
|
|
if (TCG_TARGET_HAS_deposit_i32 && TCG_TARGET_deposit_i32_valid(ofs, len)) {
|
|
tcg_gen_op5ii_i32(INDEX_op_deposit_i32, ret, arg1, arg2, ofs, len);
|
|
return;
|
|
}
|
|
|
|
t1 = tcg_temp_new_i32();
|
|
|
|
if (TCG_TARGET_HAS_extract2_i32) {
|
|
if (ofs + len == 32) {
|
|
tcg_gen_shli_i32(t1, arg1, len);
|
|
tcg_gen_extract2_i32(ret, t1, arg2, len);
|
|
goto done;
|
|
}
|
|
if (ofs == 0) {
|
|
tcg_gen_extract2_i32(ret, arg1, arg2, len);
|
|
tcg_gen_rotli_i32(ret, ret, len);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
mask = (1u << len) - 1;
|
|
if (ofs + len < 32) {
|
|
tcg_gen_andi_i32(t1, arg2, mask);
|
|
tcg_gen_shli_i32(t1, t1, ofs);
|
|
} else {
|
|
tcg_gen_shli_i32(t1, arg2, ofs);
|
|
}
|
|
tcg_gen_andi_i32(ret, arg1, ~(mask << ofs));
|
|
tcg_gen_or_i32(ret, ret, t1);
|
|
done:
|
|
tcg_temp_free_i32(t1);
|
|
}
|
|
|
|
void tcg_gen_deposit_z_i32(TCGv_i32 ret, TCGv_i32 arg,
|
|
unsigned int ofs, unsigned int len)
|
|
{
|
|
tcg_debug_assert(ofs < 32);
|
|
tcg_debug_assert(len > 0);
|
|
tcg_debug_assert(len <= 32);
|
|
tcg_debug_assert(ofs + len <= 32);
|
|
|
|
if (ofs + len == 32) {
|
|
tcg_gen_shli_i32(ret, arg, ofs);
|
|
} else if (ofs == 0) {
|
|
tcg_gen_andi_i32(ret, arg, (1u << len) - 1);
|
|
} else if (TCG_TARGET_HAS_deposit_i32
|
|
&& TCG_TARGET_deposit_i32_valid(ofs, len)) {
|
|
TCGv_i32 zero = tcg_constant_i32(0);
|
|
tcg_gen_op5ii_i32(INDEX_op_deposit_i32, ret, zero, arg, ofs, len);
|
|
} else {
|
|
/* To help two-operand hosts we prefer to zero-extend first,
|
|
which allows ARG to stay live. */
|
|
switch (len) {
|
|
case 16:
|
|
if (TCG_TARGET_HAS_ext16u_i32) {
|
|
tcg_gen_ext16u_i32(ret, arg);
|
|
tcg_gen_shli_i32(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
case 8:
|
|
if (TCG_TARGET_HAS_ext8u_i32) {
|
|
tcg_gen_ext8u_i32(ret, arg);
|
|
tcg_gen_shli_i32(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
/* Otherwise prefer zero-extension over AND for code size. */
|
|
switch (ofs + len) {
|
|
case 16:
|
|
if (TCG_TARGET_HAS_ext16u_i32) {
|
|
tcg_gen_shli_i32(ret, arg, ofs);
|
|
tcg_gen_ext16u_i32(ret, ret);
|
|
return;
|
|
}
|
|
break;
|
|
case 8:
|
|
if (TCG_TARGET_HAS_ext8u_i32) {
|
|
tcg_gen_shli_i32(ret, arg, ofs);
|
|
tcg_gen_ext8u_i32(ret, ret);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
tcg_gen_andi_i32(ret, arg, (1u << len) - 1);
|
|
tcg_gen_shli_i32(ret, ret, ofs);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_extract_i32(TCGv_i32 ret, TCGv_i32 arg,
|
|
unsigned int ofs, unsigned int len)
|
|
{
|
|
tcg_debug_assert(ofs < 32);
|
|
tcg_debug_assert(len > 0);
|
|
tcg_debug_assert(len <= 32);
|
|
tcg_debug_assert(ofs + len <= 32);
|
|
|
|
/* Canonicalize certain special cases, even if extract is supported. */
|
|
if (ofs + len == 32) {
|
|
tcg_gen_shri_i32(ret, arg, 32 - len);
|
|
return;
|
|
}
|
|
if (ofs == 0) {
|
|
tcg_gen_andi_i32(ret, arg, (1u << len) - 1);
|
|
return;
|
|
}
|
|
|
|
if (TCG_TARGET_HAS_extract_i32
|
|
&& TCG_TARGET_extract_i32_valid(ofs, len)) {
|
|
tcg_gen_op4ii_i32(INDEX_op_extract_i32, ret, arg, ofs, len);
|
|
return;
|
|
}
|
|
|
|
/* Assume that zero-extension, if available, is cheaper than a shift. */
|
|
switch (ofs + len) {
|
|
case 16:
|
|
if (TCG_TARGET_HAS_ext16u_i32) {
|
|
tcg_gen_ext16u_i32(ret, arg);
|
|
tcg_gen_shri_i32(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
case 8:
|
|
if (TCG_TARGET_HAS_ext8u_i32) {
|
|
tcg_gen_ext8u_i32(ret, arg);
|
|
tcg_gen_shri_i32(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* ??? Ideally we'd know what values are available for immediate AND.
|
|
Assume that 8 bits are available, plus the special case of 16,
|
|
so that we get ext8u, ext16u. */
|
|
switch (len) {
|
|
case 1 ... 8: case 16:
|
|
tcg_gen_shri_i32(ret, arg, ofs);
|
|
tcg_gen_andi_i32(ret, ret, (1u << len) - 1);
|
|
break;
|
|
default:
|
|
tcg_gen_shli_i32(ret, arg, 32 - len - ofs);
|
|
tcg_gen_shri_i32(ret, ret, 32 - len);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void tcg_gen_sextract_i32(TCGv_i32 ret, TCGv_i32 arg,
|
|
unsigned int ofs, unsigned int len)
|
|
{
|
|
tcg_debug_assert(ofs < 32);
|
|
tcg_debug_assert(len > 0);
|
|
tcg_debug_assert(len <= 32);
|
|
tcg_debug_assert(ofs + len <= 32);
|
|
|
|
/* Canonicalize certain special cases, even if extract is supported. */
|
|
if (ofs + len == 32) {
|
|
tcg_gen_sari_i32(ret, arg, 32 - len);
|
|
return;
|
|
}
|
|
if (ofs == 0) {
|
|
switch (len) {
|
|
case 16:
|
|
tcg_gen_ext16s_i32(ret, arg);
|
|
return;
|
|
case 8:
|
|
tcg_gen_ext8s_i32(ret, arg);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (TCG_TARGET_HAS_sextract_i32
|
|
&& TCG_TARGET_extract_i32_valid(ofs, len)) {
|
|
tcg_gen_op4ii_i32(INDEX_op_sextract_i32, ret, arg, ofs, len);
|
|
return;
|
|
}
|
|
|
|
/* Assume that sign-extension, if available, is cheaper than a shift. */
|
|
switch (ofs + len) {
|
|
case 16:
|
|
if (TCG_TARGET_HAS_ext16s_i32) {
|
|
tcg_gen_ext16s_i32(ret, arg);
|
|
tcg_gen_sari_i32(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
case 8:
|
|
if (TCG_TARGET_HAS_ext8s_i32) {
|
|
tcg_gen_ext8s_i32(ret, arg);
|
|
tcg_gen_sari_i32(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
switch (len) {
|
|
case 16:
|
|
if (TCG_TARGET_HAS_ext16s_i32) {
|
|
tcg_gen_shri_i32(ret, arg, ofs);
|
|
tcg_gen_ext16s_i32(ret, ret);
|
|
return;
|
|
}
|
|
break;
|
|
case 8:
|
|
if (TCG_TARGET_HAS_ext8s_i32) {
|
|
tcg_gen_shri_i32(ret, arg, ofs);
|
|
tcg_gen_ext8s_i32(ret, ret);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
|
|
tcg_gen_shli_i32(ret, arg, 32 - len - ofs);
|
|
tcg_gen_sari_i32(ret, ret, 32 - len);
|
|
}
|
|
|
|
/*
|
|
* Extract 32-bits from a 64-bit input, ah:al, starting from ofs.
|
|
* Unlike tcg_gen_extract_i32 above, len is fixed at 32.
|
|
*/
|
|
void tcg_gen_extract2_i32(TCGv_i32 ret, TCGv_i32 al, TCGv_i32 ah,
|
|
unsigned int ofs)
|
|
{
|
|
tcg_debug_assert(ofs <= 32);
|
|
if (ofs == 0) {
|
|
tcg_gen_mov_i32(ret, al);
|
|
} else if (ofs == 32) {
|
|
tcg_gen_mov_i32(ret, ah);
|
|
} else if (al == ah) {
|
|
tcg_gen_rotri_i32(ret, al, ofs);
|
|
} else if (TCG_TARGET_HAS_extract2_i32) {
|
|
tcg_gen_op4i_i32(INDEX_op_extract2_i32, ret, al, ah, ofs);
|
|
} else {
|
|
TCGv_i32 t0 = tcg_temp_new_i32();
|
|
tcg_gen_shri_i32(t0, al, ofs);
|
|
tcg_gen_deposit_i32(ret, t0, ah, 32 - ofs, ofs);
|
|
tcg_temp_free_i32(t0);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_movcond_i32(TCGCond cond, TCGv_i32 ret, TCGv_i32 c1,
|
|
TCGv_i32 c2, TCGv_i32 v1, TCGv_i32 v2)
|
|
{
|
|
if (cond == TCG_COND_ALWAYS) {
|
|
tcg_gen_mov_i32(ret, v1);
|
|
} else if (cond == TCG_COND_NEVER) {
|
|
tcg_gen_mov_i32(ret, v2);
|
|
} else if (TCG_TARGET_HAS_movcond_i32) {
|
|
tcg_gen_op6i_i32(INDEX_op_movcond_i32, ret, c1, c2, v1, v2, cond);
|
|
} else {
|
|
TCGv_i32 t0 = tcg_temp_new_i32();
|
|
TCGv_i32 t1 = tcg_temp_new_i32();
|
|
tcg_gen_setcond_i32(cond, t0, c1, c2);
|
|
tcg_gen_neg_i32(t0, t0);
|
|
tcg_gen_and_i32(t1, v1, t0);
|
|
tcg_gen_andc_i32(ret, v2, t0);
|
|
tcg_gen_or_i32(ret, ret, t1);
|
|
tcg_temp_free_i32(t0);
|
|
tcg_temp_free_i32(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_add2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 al,
|
|
TCGv_i32 ah, TCGv_i32 bl, TCGv_i32 bh)
|
|
{
|
|
if (TCG_TARGET_HAS_add2_i32) {
|
|
tcg_gen_op6_i32(INDEX_op_add2_i32, rl, rh, al, ah, bl, bh);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
tcg_gen_concat_i32_i64(t0, al, ah);
|
|
tcg_gen_concat_i32_i64(t1, bl, bh);
|
|
tcg_gen_add_i64(t0, t0, t1);
|
|
tcg_gen_extr_i64_i32(rl, rh, t0);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_sub2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 al,
|
|
TCGv_i32 ah, TCGv_i32 bl, TCGv_i32 bh)
|
|
{
|
|
if (TCG_TARGET_HAS_sub2_i32) {
|
|
tcg_gen_op6_i32(INDEX_op_sub2_i32, rl, rh, al, ah, bl, bh);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
tcg_gen_concat_i32_i64(t0, al, ah);
|
|
tcg_gen_concat_i32_i64(t1, bl, bh);
|
|
tcg_gen_sub_i64(t0, t0, t1);
|
|
tcg_gen_extr_i64_i32(rl, rh, t0);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_mulu2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_mulu2_i32) {
|
|
tcg_gen_op4_i32(INDEX_op_mulu2_i32, rl, rh, arg1, arg2);
|
|
} else if (TCG_TARGET_HAS_muluh_i32) {
|
|
TCGv_i32 t = tcg_temp_new_i32();
|
|
tcg_gen_op3_i32(INDEX_op_mul_i32, t, arg1, arg2);
|
|
tcg_gen_op3_i32(INDEX_op_muluh_i32, rh, arg1, arg2);
|
|
tcg_gen_mov_i32(rl, t);
|
|
tcg_temp_free_i32(t);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
tcg_gen_extu_i32_i64(t0, arg1);
|
|
tcg_gen_extu_i32_i64(t1, arg2);
|
|
tcg_gen_mul_i64(t0, t0, t1);
|
|
tcg_gen_extr_i64_i32(rl, rh, t0);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_muls2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_muls2_i32) {
|
|
tcg_gen_op4_i32(INDEX_op_muls2_i32, rl, rh, arg1, arg2);
|
|
} else if (TCG_TARGET_HAS_mulsh_i32) {
|
|
TCGv_i32 t = tcg_temp_new_i32();
|
|
tcg_gen_op3_i32(INDEX_op_mul_i32, t, arg1, arg2);
|
|
tcg_gen_op3_i32(INDEX_op_mulsh_i32, rh, arg1, arg2);
|
|
tcg_gen_mov_i32(rl, t);
|
|
tcg_temp_free_i32(t);
|
|
} else if (TCG_TARGET_REG_BITS == 32) {
|
|
TCGv_i32 t0 = tcg_temp_new_i32();
|
|
TCGv_i32 t1 = tcg_temp_new_i32();
|
|
TCGv_i32 t2 = tcg_temp_new_i32();
|
|
TCGv_i32 t3 = tcg_temp_new_i32();
|
|
tcg_gen_mulu2_i32(t0, t1, arg1, arg2);
|
|
/* Adjust for negative inputs. */
|
|
tcg_gen_sari_i32(t2, arg1, 31);
|
|
tcg_gen_sari_i32(t3, arg2, 31);
|
|
tcg_gen_and_i32(t2, t2, arg2);
|
|
tcg_gen_and_i32(t3, t3, arg1);
|
|
tcg_gen_sub_i32(rh, t1, t2);
|
|
tcg_gen_sub_i32(rh, rh, t3);
|
|
tcg_gen_mov_i32(rl, t0);
|
|
tcg_temp_free_i32(t0);
|
|
tcg_temp_free_i32(t1);
|
|
tcg_temp_free_i32(t2);
|
|
tcg_temp_free_i32(t3);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
tcg_gen_ext_i32_i64(t0, arg1);
|
|
tcg_gen_ext_i32_i64(t1, arg2);
|
|
tcg_gen_mul_i64(t0, t0, t1);
|
|
tcg_gen_extr_i64_i32(rl, rh, t0);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_mulsu2_i32(TCGv_i32 rl, TCGv_i32 rh, TCGv_i32 arg1, TCGv_i32 arg2)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
TCGv_i32 t0 = tcg_temp_new_i32();
|
|
TCGv_i32 t1 = tcg_temp_new_i32();
|
|
TCGv_i32 t2 = tcg_temp_new_i32();
|
|
tcg_gen_mulu2_i32(t0, t1, arg1, arg2);
|
|
/* Adjust for negative input for the signed arg1. */
|
|
tcg_gen_sari_i32(t2, arg1, 31);
|
|
tcg_gen_and_i32(t2, t2, arg2);
|
|
tcg_gen_sub_i32(rh, t1, t2);
|
|
tcg_gen_mov_i32(rl, t0);
|
|
tcg_temp_free_i32(t0);
|
|
tcg_temp_free_i32(t1);
|
|
tcg_temp_free_i32(t2);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
tcg_gen_ext_i32_i64(t0, arg1);
|
|
tcg_gen_extu_i32_i64(t1, arg2);
|
|
tcg_gen_mul_i64(t0, t0, t1);
|
|
tcg_gen_extr_i64_i32(rl, rh, t0);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ext8s_i32(TCGv_i32 ret, TCGv_i32 arg)
|
|
{
|
|
if (TCG_TARGET_HAS_ext8s_i32) {
|
|
tcg_gen_op2_i32(INDEX_op_ext8s_i32, ret, arg);
|
|
} else {
|
|
tcg_gen_shli_i32(ret, arg, 24);
|
|
tcg_gen_sari_i32(ret, ret, 24);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ext16s_i32(TCGv_i32 ret, TCGv_i32 arg)
|
|
{
|
|
if (TCG_TARGET_HAS_ext16s_i32) {
|
|
tcg_gen_op2_i32(INDEX_op_ext16s_i32, ret, arg);
|
|
} else {
|
|
tcg_gen_shli_i32(ret, arg, 16);
|
|
tcg_gen_sari_i32(ret, ret, 16);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ext8u_i32(TCGv_i32 ret, TCGv_i32 arg)
|
|
{
|
|
if (TCG_TARGET_HAS_ext8u_i32) {
|
|
tcg_gen_op2_i32(INDEX_op_ext8u_i32, ret, arg);
|
|
} else {
|
|
tcg_gen_andi_i32(ret, arg, 0xffu);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ext16u_i32(TCGv_i32 ret, TCGv_i32 arg)
|
|
{
|
|
if (TCG_TARGET_HAS_ext16u_i32) {
|
|
tcg_gen_op2_i32(INDEX_op_ext16u_i32, ret, arg);
|
|
} else {
|
|
tcg_gen_andi_i32(ret, arg, 0xffffu);
|
|
}
|
|
}
|
|
|
|
/* Note: we assume the two high bytes are set to zero */
|
|
void tcg_gen_bswap16_i32(TCGv_i32 ret, TCGv_i32 arg)
|
|
{
|
|
if (TCG_TARGET_HAS_bswap16_i32) {
|
|
tcg_gen_op2_i32(INDEX_op_bswap16_i32, ret, arg);
|
|
} else {
|
|
TCGv_i32 t0 = tcg_temp_new_i32();
|
|
|
|
tcg_gen_ext8u_i32(t0, arg);
|
|
tcg_gen_shli_i32(t0, t0, 8);
|
|
tcg_gen_shri_i32(ret, arg, 8);
|
|
tcg_gen_or_i32(ret, ret, t0);
|
|
tcg_temp_free_i32(t0);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_bswap32_i32(TCGv_i32 ret, TCGv_i32 arg)
|
|
{
|
|
if (TCG_TARGET_HAS_bswap32_i32) {
|
|
tcg_gen_op2_i32(INDEX_op_bswap32_i32, ret, arg);
|
|
} else {
|
|
TCGv_i32 t0 = tcg_temp_new_i32();
|
|
TCGv_i32 t1 = tcg_temp_new_i32();
|
|
TCGv_i32 t2 = tcg_constant_i32(0x00ff00ff);
|
|
|
|
/* arg = abcd */
|
|
tcg_gen_shri_i32(t0, arg, 8); /* t0 = .abc */
|
|
tcg_gen_and_i32(t1, arg, t2); /* t1 = .b.d */
|
|
tcg_gen_and_i32(t0, t0, t2); /* t0 = .a.c */
|
|
tcg_gen_shli_i32(t1, t1, 8); /* t1 = b.d. */
|
|
tcg_gen_or_i32(ret, t0, t1); /* ret = badc */
|
|
|
|
tcg_gen_shri_i32(t0, ret, 16); /* t0 = ..ba */
|
|
tcg_gen_shli_i32(t1, ret, 16); /* t1 = dc.. */
|
|
tcg_gen_or_i32(ret, t0, t1); /* ret = dcba */
|
|
|
|
tcg_temp_free_i32(t0);
|
|
tcg_temp_free_i32(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_smin_i32(TCGv_i32 ret, TCGv_i32 a, TCGv_i32 b)
|
|
{
|
|
tcg_gen_movcond_i32(TCG_COND_LT, ret, a, b, a, b);
|
|
}
|
|
|
|
void tcg_gen_umin_i32(TCGv_i32 ret, TCGv_i32 a, TCGv_i32 b)
|
|
{
|
|
tcg_gen_movcond_i32(TCG_COND_LTU, ret, a, b, a, b);
|
|
}
|
|
|
|
void tcg_gen_smax_i32(TCGv_i32 ret, TCGv_i32 a, TCGv_i32 b)
|
|
{
|
|
tcg_gen_movcond_i32(TCG_COND_LT, ret, a, b, b, a);
|
|
}
|
|
|
|
void tcg_gen_umax_i32(TCGv_i32 ret, TCGv_i32 a, TCGv_i32 b)
|
|
{
|
|
tcg_gen_movcond_i32(TCG_COND_LTU, ret, a, b, b, a);
|
|
}
|
|
|
|
void tcg_gen_abs_i32(TCGv_i32 ret, TCGv_i32 a)
|
|
{
|
|
TCGv_i32 t = tcg_temp_new_i32();
|
|
|
|
tcg_gen_sari_i32(t, a, 31);
|
|
tcg_gen_xor_i32(ret, a, t);
|
|
tcg_gen_sub_i32(ret, ret, t);
|
|
tcg_temp_free_i32(t);
|
|
}
|
|
|
|
/* 64-bit ops */
|
|
|
|
#if TCG_TARGET_REG_BITS == 32
|
|
/* These are all inline for TCG_TARGET_REG_BITS == 64. */
|
|
|
|
void tcg_gen_discard_i64(TCGv_i64 arg)
|
|
{
|
|
tcg_gen_discard_i32(TCGV_LOW(arg));
|
|
tcg_gen_discard_i32(TCGV_HIGH(arg));
|
|
}
|
|
|
|
void tcg_gen_mov_i64(TCGv_i64 ret, TCGv_i64 arg)
|
|
{
|
|
TCGTemp *ts = tcgv_i64_temp(arg);
|
|
|
|
/* Canonicalize TCGv_i64 TEMP_CONST into TCGv_i32 TEMP_CONST. */
|
|
if (ts->kind == TEMP_CONST) {
|
|
tcg_gen_movi_i64(ret, ts->val);
|
|
} else {
|
|
tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
|
|
tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg));
|
|
}
|
|
}
|
|
|
|
void tcg_gen_movi_i64(TCGv_i64 ret, int64_t arg)
|
|
{
|
|
tcg_gen_movi_i32(TCGV_LOW(ret), arg);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), arg >> 32);
|
|
}
|
|
|
|
void tcg_gen_ld8u_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
|
|
{
|
|
tcg_gen_ld8u_i32(TCGV_LOW(ret), arg2, offset);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
}
|
|
|
|
void tcg_gen_ld8s_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
|
|
{
|
|
tcg_gen_ld8s_i32(TCGV_LOW(ret), arg2, offset);
|
|
tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
|
|
}
|
|
|
|
void tcg_gen_ld16u_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
|
|
{
|
|
tcg_gen_ld16u_i32(TCGV_LOW(ret), arg2, offset);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
}
|
|
|
|
void tcg_gen_ld16s_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
|
|
{
|
|
tcg_gen_ld16s_i32(TCGV_LOW(ret), arg2, offset);
|
|
tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
|
|
}
|
|
|
|
void tcg_gen_ld32u_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
|
|
{
|
|
tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
}
|
|
|
|
void tcg_gen_ld32s_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
|
|
{
|
|
tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset);
|
|
tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
|
|
}
|
|
|
|
void tcg_gen_ld_i64(TCGv_i64 ret, TCGv_ptr arg2, tcg_target_long offset)
|
|
{
|
|
/* Since arg2 and ret have different types,
|
|
they cannot be the same temporary */
|
|
#ifdef HOST_WORDS_BIGENDIAN
|
|
tcg_gen_ld_i32(TCGV_HIGH(ret), arg2, offset);
|
|
tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset + 4);
|
|
#else
|
|
tcg_gen_ld_i32(TCGV_LOW(ret), arg2, offset);
|
|
tcg_gen_ld_i32(TCGV_HIGH(ret), arg2, offset + 4);
|
|
#endif
|
|
}
|
|
|
|
void tcg_gen_st_i64(TCGv_i64 arg1, TCGv_ptr arg2, tcg_target_long offset)
|
|
{
|
|
#ifdef HOST_WORDS_BIGENDIAN
|
|
tcg_gen_st_i32(TCGV_HIGH(arg1), arg2, offset);
|
|
tcg_gen_st_i32(TCGV_LOW(arg1), arg2, offset + 4);
|
|
#else
|
|
tcg_gen_st_i32(TCGV_LOW(arg1), arg2, offset);
|
|
tcg_gen_st_i32(TCGV_HIGH(arg1), arg2, offset + 4);
|
|
#endif
|
|
}
|
|
|
|
void tcg_gen_and_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
tcg_gen_and_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
|
|
tcg_gen_and_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
|
|
}
|
|
|
|
void tcg_gen_or_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
|
|
tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
|
|
}
|
|
|
|
void tcg_gen_xor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
tcg_gen_xor_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
|
|
tcg_gen_xor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
|
|
}
|
|
|
|
void tcg_gen_shl_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
gen_helper_shl_i64(ret, arg1, arg2);
|
|
}
|
|
|
|
void tcg_gen_shr_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
gen_helper_shr_i64(ret, arg1, arg2);
|
|
}
|
|
|
|
void tcg_gen_sar_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
gen_helper_sar_i64(ret, arg1, arg2);
|
|
}
|
|
|
|
void tcg_gen_mul_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
TCGv_i64 t0;
|
|
TCGv_i32 t1;
|
|
|
|
t0 = tcg_temp_new_i64();
|
|
t1 = tcg_temp_new_i32();
|
|
|
|
tcg_gen_mulu2_i32(TCGV_LOW(t0), TCGV_HIGH(t0),
|
|
TCGV_LOW(arg1), TCGV_LOW(arg2));
|
|
|
|
tcg_gen_mul_i32(t1, TCGV_LOW(arg1), TCGV_HIGH(arg2));
|
|
tcg_gen_add_i32(TCGV_HIGH(t0), TCGV_HIGH(t0), t1);
|
|
tcg_gen_mul_i32(t1, TCGV_HIGH(arg1), TCGV_LOW(arg2));
|
|
tcg_gen_add_i32(TCGV_HIGH(t0), TCGV_HIGH(t0), t1);
|
|
|
|
tcg_gen_mov_i64(ret, t0);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i32(t1);
|
|
}
|
|
|
|
#else
|
|
|
|
void tcg_gen_movi_i64(TCGv_i64 ret, int64_t arg)
|
|
{
|
|
tcg_gen_mov_i64(ret, tcg_constant_i64(arg));
|
|
}
|
|
|
|
#endif /* TCG_TARGET_REG_SIZE == 32 */
|
|
|
|
void tcg_gen_addi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
|
|
{
|
|
/* some cases can be optimized here */
|
|
if (arg2 == 0) {
|
|
tcg_gen_mov_i64(ret, arg1);
|
|
} else if (TCG_TARGET_REG_BITS == 64) {
|
|
tcg_gen_add_i64(ret, arg1, tcg_constant_i64(arg2));
|
|
} else {
|
|
tcg_gen_add2_i32(TCGV_LOW(ret), TCGV_HIGH(ret),
|
|
TCGV_LOW(arg1), TCGV_HIGH(arg1),
|
|
tcg_constant_i32(arg2), tcg_constant_i32(arg2 >> 32));
|
|
}
|
|
}
|
|
|
|
void tcg_gen_subfi_i64(TCGv_i64 ret, int64_t arg1, TCGv_i64 arg2)
|
|
{
|
|
if (arg1 == 0 && TCG_TARGET_HAS_neg_i64) {
|
|
/* Don't recurse with tcg_gen_neg_i64. */
|
|
tcg_gen_op2_i64(INDEX_op_neg_i64, ret, arg2);
|
|
} else if (TCG_TARGET_REG_BITS == 64) {
|
|
tcg_gen_sub_i64(ret, tcg_constant_i64(arg1), arg2);
|
|
} else {
|
|
tcg_gen_sub2_i32(TCGV_LOW(ret), TCGV_HIGH(ret),
|
|
tcg_constant_i32(arg1), tcg_constant_i32(arg1 >> 32),
|
|
TCGV_LOW(arg2), TCGV_HIGH(arg2));
|
|
}
|
|
}
|
|
|
|
void tcg_gen_subi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
|
|
{
|
|
/* some cases can be optimized here */
|
|
if (arg2 == 0) {
|
|
tcg_gen_mov_i64(ret, arg1);
|
|
} else if (TCG_TARGET_REG_BITS == 64) {
|
|
tcg_gen_sub_i64(ret, arg1, tcg_constant_i64(arg2));
|
|
} else {
|
|
tcg_gen_sub2_i32(TCGV_LOW(ret), TCGV_HIGH(ret),
|
|
TCGV_LOW(arg1), TCGV_HIGH(arg1),
|
|
tcg_constant_i32(arg2), tcg_constant_i32(arg2 >> 32));
|
|
}
|
|
}
|
|
|
|
void tcg_gen_andi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_andi_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);
|
|
tcg_gen_andi_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
|
|
return;
|
|
}
|
|
|
|
/* Some cases can be optimized here. */
|
|
switch (arg2) {
|
|
case 0:
|
|
tcg_gen_movi_i64(ret, 0);
|
|
return;
|
|
case -1:
|
|
tcg_gen_mov_i64(ret, arg1);
|
|
return;
|
|
case 0xff:
|
|
/* Don't recurse with tcg_gen_ext8u_i64. */
|
|
if (TCG_TARGET_HAS_ext8u_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_ext8u_i64, ret, arg1);
|
|
return;
|
|
}
|
|
break;
|
|
case 0xffff:
|
|
if (TCG_TARGET_HAS_ext16u_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_ext16u_i64, ret, arg1);
|
|
return;
|
|
}
|
|
break;
|
|
case 0xffffffffu:
|
|
if (TCG_TARGET_HAS_ext32u_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_ext32u_i64, ret, arg1);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
|
|
tcg_gen_and_i64(ret, arg1, tcg_constant_i64(arg2));
|
|
}
|
|
|
|
void tcg_gen_ori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_ori_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);
|
|
tcg_gen_ori_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
|
|
return;
|
|
}
|
|
/* Some cases can be optimized here. */
|
|
if (arg2 == -1) {
|
|
tcg_gen_movi_i64(ret, -1);
|
|
} else if (arg2 == 0) {
|
|
tcg_gen_mov_i64(ret, arg1);
|
|
} else {
|
|
tcg_gen_or_i64(ret, arg1, tcg_constant_i64(arg2));
|
|
}
|
|
}
|
|
|
|
void tcg_gen_xori_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_xori_i32(TCGV_LOW(ret), TCGV_LOW(arg1), arg2);
|
|
tcg_gen_xori_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), arg2 >> 32);
|
|
return;
|
|
}
|
|
/* Some cases can be optimized here. */
|
|
if (arg2 == 0) {
|
|
tcg_gen_mov_i64(ret, arg1);
|
|
} else if (arg2 == -1 && TCG_TARGET_HAS_not_i64) {
|
|
/* Don't recurse with tcg_gen_not_i64. */
|
|
tcg_gen_op2_i64(INDEX_op_not_i64, ret, arg1);
|
|
} else {
|
|
tcg_gen_xor_i64(ret, arg1, tcg_constant_i64(arg2));
|
|
}
|
|
}
|
|
|
|
static inline void tcg_gen_shifti_i64(TCGv_i64 ret, TCGv_i64 arg1,
|
|
unsigned c, bool right, bool arith)
|
|
{
|
|
tcg_debug_assert(c < 64);
|
|
if (c == 0) {
|
|
tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg1));
|
|
tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1));
|
|
} else if (c >= 32) {
|
|
c -= 32;
|
|
if (right) {
|
|
if (arith) {
|
|
tcg_gen_sari_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), c);
|
|
tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), 31);
|
|
} else {
|
|
tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), c);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
}
|
|
} else {
|
|
tcg_gen_shli_i32(TCGV_HIGH(ret), TCGV_LOW(arg1), c);
|
|
tcg_gen_movi_i32(TCGV_LOW(ret), 0);
|
|
}
|
|
} else if (right) {
|
|
if (TCG_TARGET_HAS_extract2_i32) {
|
|
tcg_gen_extract2_i32(TCGV_LOW(ret),
|
|
TCGV_LOW(arg1), TCGV_HIGH(arg1), c);
|
|
} else {
|
|
tcg_gen_shri_i32(TCGV_LOW(ret), TCGV_LOW(arg1), c);
|
|
tcg_gen_deposit_i32(TCGV_LOW(ret), TCGV_LOW(ret),
|
|
TCGV_HIGH(arg1), 32 - c, c);
|
|
}
|
|
if (arith) {
|
|
tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), c);
|
|
} else {
|
|
tcg_gen_shri_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), c);
|
|
}
|
|
} else {
|
|
if (TCG_TARGET_HAS_extract2_i32) {
|
|
tcg_gen_extract2_i32(TCGV_HIGH(ret),
|
|
TCGV_LOW(arg1), TCGV_HIGH(arg1), 32 - c);
|
|
} else {
|
|
TCGv_i32 t0 = tcg_temp_new_i32();
|
|
tcg_gen_shri_i32(t0, TCGV_LOW(arg1), 32 - c);
|
|
tcg_gen_deposit_i32(TCGV_HIGH(ret), t0,
|
|
TCGV_HIGH(arg1), c, 32 - c);
|
|
tcg_temp_free_i32(t0);
|
|
}
|
|
tcg_gen_shli_i32(TCGV_LOW(ret), TCGV_LOW(arg1), c);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_shli_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
|
|
{
|
|
tcg_debug_assert(arg2 >= 0 && arg2 < 64);
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_shifti_i64(ret, arg1, arg2, 0, 0);
|
|
} else if (arg2 == 0) {
|
|
tcg_gen_mov_i64(ret, arg1);
|
|
} else {
|
|
tcg_gen_shl_i64(ret, arg1, tcg_constant_i64(arg2));
|
|
}
|
|
}
|
|
|
|
void tcg_gen_shri_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
|
|
{
|
|
tcg_debug_assert(arg2 >= 0 && arg2 < 64);
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_shifti_i64(ret, arg1, arg2, 1, 0);
|
|
} else if (arg2 == 0) {
|
|
tcg_gen_mov_i64(ret, arg1);
|
|
} else {
|
|
tcg_gen_shr_i64(ret, arg1, tcg_constant_i64(arg2));
|
|
}
|
|
}
|
|
|
|
void tcg_gen_sari_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
|
|
{
|
|
tcg_debug_assert(arg2 >= 0 && arg2 < 64);
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_shifti_i64(ret, arg1, arg2, 1, 1);
|
|
} else if (arg2 == 0) {
|
|
tcg_gen_mov_i64(ret, arg1);
|
|
} else {
|
|
tcg_gen_sar_i64(ret, arg1, tcg_constant_i64(arg2));
|
|
}
|
|
}
|
|
|
|
void tcg_gen_brcond_i64(TCGCond cond, TCGv_i64 arg1, TCGv_i64 arg2, TCGLabel *l)
|
|
{
|
|
if (cond == TCG_COND_ALWAYS) {
|
|
tcg_gen_br(l);
|
|
} else if (cond != TCG_COND_NEVER) {
|
|
l->refs++;
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_op6ii_i32(INDEX_op_brcond2_i32, TCGV_LOW(arg1),
|
|
TCGV_HIGH(arg1), TCGV_LOW(arg2),
|
|
TCGV_HIGH(arg2), cond, label_arg(l));
|
|
} else {
|
|
tcg_gen_op4ii_i64(INDEX_op_brcond_i64, arg1, arg2, cond,
|
|
label_arg(l));
|
|
}
|
|
}
|
|
}
|
|
|
|
void tcg_gen_brcondi_i64(TCGCond cond, TCGv_i64 arg1, int64_t arg2, TCGLabel *l)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 64) {
|
|
tcg_gen_brcond_i64(cond, arg1, tcg_constant_i64(arg2), l);
|
|
} else if (cond == TCG_COND_ALWAYS) {
|
|
tcg_gen_br(l);
|
|
} else if (cond != TCG_COND_NEVER) {
|
|
l->refs++;
|
|
tcg_gen_op6ii_i32(INDEX_op_brcond2_i32,
|
|
TCGV_LOW(arg1), TCGV_HIGH(arg1),
|
|
tcg_constant_i32(arg2),
|
|
tcg_constant_i32(arg2 >> 32),
|
|
cond, label_arg(l));
|
|
}
|
|
}
|
|
|
|
void tcg_gen_setcond_i64(TCGCond cond, TCGv_i64 ret,
|
|
TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (cond == TCG_COND_ALWAYS) {
|
|
tcg_gen_movi_i64(ret, 1);
|
|
} else if (cond == TCG_COND_NEVER) {
|
|
tcg_gen_movi_i64(ret, 0);
|
|
} else {
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_op6i_i32(INDEX_op_setcond2_i32, TCGV_LOW(ret),
|
|
TCGV_LOW(arg1), TCGV_HIGH(arg1),
|
|
TCGV_LOW(arg2), TCGV_HIGH(arg2), cond);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
} else {
|
|
tcg_gen_op4i_i64(INDEX_op_setcond_i64, ret, arg1, arg2, cond);
|
|
}
|
|
}
|
|
}
|
|
|
|
void tcg_gen_setcondi_i64(TCGCond cond, TCGv_i64 ret,
|
|
TCGv_i64 arg1, int64_t arg2)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 64) {
|
|
tcg_gen_setcond_i64(cond, ret, arg1, tcg_constant_i64(arg2));
|
|
} else if (cond == TCG_COND_ALWAYS) {
|
|
tcg_gen_movi_i64(ret, 1);
|
|
} else if (cond == TCG_COND_NEVER) {
|
|
tcg_gen_movi_i64(ret, 0);
|
|
} else {
|
|
tcg_gen_op6i_i32(INDEX_op_setcond2_i32, TCGV_LOW(ret),
|
|
TCGV_LOW(arg1), TCGV_HIGH(arg1),
|
|
tcg_constant_i32(arg2),
|
|
tcg_constant_i32(arg2 >> 32), cond);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_muli_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
|
|
{
|
|
if (arg2 == 0) {
|
|
tcg_gen_movi_i64(ret, 0);
|
|
} else if (is_power_of_2(arg2)) {
|
|
tcg_gen_shli_i64(ret, arg1, ctz64(arg2));
|
|
} else {
|
|
TCGv_i64 t0 = tcg_const_i64(arg2);
|
|
tcg_gen_mul_i64(ret, arg1, t0);
|
|
tcg_temp_free_i64(t0);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_div_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_div_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_div_i64, ret, arg1, arg2);
|
|
} else if (TCG_TARGET_HAS_div2_i64) {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
tcg_gen_sari_i64(t0, arg1, 63);
|
|
tcg_gen_op5_i64(INDEX_op_div2_i64, ret, t0, arg1, t0, arg2);
|
|
tcg_temp_free_i64(t0);
|
|
} else {
|
|
gen_helper_div_i64(ret, arg1, arg2);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_rem_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_rem_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_rem_i64, ret, arg1, arg2);
|
|
} else if (TCG_TARGET_HAS_div_i64) {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
tcg_gen_op3_i64(INDEX_op_div_i64, t0, arg1, arg2);
|
|
tcg_gen_mul_i64(t0, t0, arg2);
|
|
tcg_gen_sub_i64(ret, arg1, t0);
|
|
tcg_temp_free_i64(t0);
|
|
} else if (TCG_TARGET_HAS_div2_i64) {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
tcg_gen_sari_i64(t0, arg1, 63);
|
|
tcg_gen_op5_i64(INDEX_op_div2_i64, t0, ret, arg1, t0, arg2);
|
|
tcg_temp_free_i64(t0);
|
|
} else {
|
|
gen_helper_rem_i64(ret, arg1, arg2);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_divu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_div_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_divu_i64, ret, arg1, arg2);
|
|
} else if (TCG_TARGET_HAS_div2_i64) {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
tcg_gen_movi_i64(t0, 0);
|
|
tcg_gen_op5_i64(INDEX_op_divu2_i64, ret, t0, arg1, t0, arg2);
|
|
tcg_temp_free_i64(t0);
|
|
} else {
|
|
gen_helper_divu_i64(ret, arg1, arg2);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_remu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_rem_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_remu_i64, ret, arg1, arg2);
|
|
} else if (TCG_TARGET_HAS_div_i64) {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
tcg_gen_op3_i64(INDEX_op_divu_i64, t0, arg1, arg2);
|
|
tcg_gen_mul_i64(t0, t0, arg2);
|
|
tcg_gen_sub_i64(ret, arg1, t0);
|
|
tcg_temp_free_i64(t0);
|
|
} else if (TCG_TARGET_HAS_div2_i64) {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
tcg_gen_movi_i64(t0, 0);
|
|
tcg_gen_op5_i64(INDEX_op_divu2_i64, t0, ret, arg1, t0, arg2);
|
|
tcg_temp_free_i64(t0);
|
|
} else {
|
|
gen_helper_remu_i64(ret, arg1, arg2);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ext8s_i64(TCGv_i64 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_ext8s_i32(TCGV_LOW(ret), TCGV_LOW(arg));
|
|
tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
|
|
} else if (TCG_TARGET_HAS_ext8s_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_ext8s_i64, ret, arg);
|
|
} else {
|
|
tcg_gen_shli_i64(ret, arg, 56);
|
|
tcg_gen_sari_i64(ret, ret, 56);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ext16s_i64(TCGv_i64 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_ext16s_i32(TCGV_LOW(ret), TCGV_LOW(arg));
|
|
tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
|
|
} else if (TCG_TARGET_HAS_ext16s_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_ext16s_i64, ret, arg);
|
|
} else {
|
|
tcg_gen_shli_i64(ret, arg, 48);
|
|
tcg_gen_sari_i64(ret, ret, 48);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ext32s_i64(TCGv_i64 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
|
|
tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
|
|
} else if (TCG_TARGET_HAS_ext32s_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_ext32s_i64, ret, arg);
|
|
} else {
|
|
tcg_gen_shli_i64(ret, arg, 32);
|
|
tcg_gen_sari_i64(ret, ret, 32);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ext8u_i64(TCGv_i64 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_ext8u_i32(TCGV_LOW(ret), TCGV_LOW(arg));
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
} else if (TCG_TARGET_HAS_ext8u_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_ext8u_i64, ret, arg);
|
|
} else {
|
|
tcg_gen_andi_i64(ret, arg, 0xffu);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ext16u_i64(TCGv_i64 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_ext16u_i32(TCGV_LOW(ret), TCGV_LOW(arg));
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
} else if (TCG_TARGET_HAS_ext16u_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_ext16u_i64, ret, arg);
|
|
} else {
|
|
tcg_gen_andi_i64(ret, arg, 0xffffu);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ext32u_i64(TCGv_i64 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
} else if (TCG_TARGET_HAS_ext32u_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_ext32u_i64, ret, arg);
|
|
} else {
|
|
tcg_gen_andi_i64(ret, arg, 0xffffffffu);
|
|
}
|
|
}
|
|
|
|
/* Note: we assume the six high bytes are set to zero */
|
|
void tcg_gen_bswap16_i64(TCGv_i64 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_bswap16_i32(TCGV_LOW(ret), TCGV_LOW(arg));
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
} else if (TCG_TARGET_HAS_bswap16_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_bswap16_i64, ret, arg);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
|
|
tcg_gen_ext8u_i64(t0, arg);
|
|
tcg_gen_shli_i64(t0, t0, 8);
|
|
tcg_gen_shri_i64(ret, arg, 8);
|
|
tcg_gen_or_i64(ret, ret, t0);
|
|
tcg_temp_free_i64(t0);
|
|
}
|
|
}
|
|
|
|
/* Note: we assume the four high bytes are set to zero */
|
|
void tcg_gen_bswap32_i64(TCGv_i64 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_bswap32_i32(TCGV_LOW(ret), TCGV_LOW(arg));
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
} else if (TCG_TARGET_HAS_bswap32_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_bswap32_i64, ret, arg);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
TCGv_i64 t2 = tcg_constant_i64(0x00ff00ff);
|
|
|
|
/* arg = ....abcd */
|
|
tcg_gen_shri_i64(t0, arg, 8); /* t0 = .....abc */
|
|
tcg_gen_and_i64(t1, arg, t2); /* t1 = .....b.d */
|
|
tcg_gen_and_i64(t0, t0, t2); /* t0 = .....a.c */
|
|
tcg_gen_shli_i64(t1, t1, 8); /* t1 = ....b.d. */
|
|
tcg_gen_or_i64(ret, t0, t1); /* ret = ....badc */
|
|
|
|
tcg_gen_shli_i64(t1, ret, 48); /* t1 = dc...... */
|
|
tcg_gen_shri_i64(t0, ret, 16); /* t0 = ......ba */
|
|
tcg_gen_shri_i64(t1, t1, 32); /* t1 = ....dc.. */
|
|
tcg_gen_or_i64(ret, t0, t1); /* ret = ....dcba */
|
|
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_bswap64_i64(TCGv_i64 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
TCGv_i32 t0, t1;
|
|
t0 = tcg_temp_new_i32();
|
|
t1 = tcg_temp_new_i32();
|
|
|
|
tcg_gen_bswap32_i32(t0, TCGV_LOW(arg));
|
|
tcg_gen_bswap32_i32(t1, TCGV_HIGH(arg));
|
|
tcg_gen_mov_i32(TCGV_LOW(ret), t1);
|
|
tcg_gen_mov_i32(TCGV_HIGH(ret), t0);
|
|
tcg_temp_free_i32(t0);
|
|
tcg_temp_free_i32(t1);
|
|
} else if (TCG_TARGET_HAS_bswap64_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_bswap64_i64, ret, arg);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
TCGv_i64 t2 = tcg_temp_new_i64();
|
|
|
|
/* arg = abcdefgh */
|
|
tcg_gen_movi_i64(t2, 0x00ff00ff00ff00ffull);
|
|
tcg_gen_shri_i64(t0, arg, 8); /* t0 = .abcdefg */
|
|
tcg_gen_and_i64(t1, arg, t2); /* t1 = .b.d.f.h */
|
|
tcg_gen_and_i64(t0, t0, t2); /* t0 = .a.c.e.g */
|
|
tcg_gen_shli_i64(t1, t1, 8); /* t1 = b.d.f.h. */
|
|
tcg_gen_or_i64(ret, t0, t1); /* ret = badcfehg */
|
|
|
|
tcg_gen_movi_i64(t2, 0x0000ffff0000ffffull);
|
|
tcg_gen_shri_i64(t0, ret, 16); /* t0 = ..badcfe */
|
|
tcg_gen_and_i64(t1, ret, t2); /* t1 = ..dc..hg */
|
|
tcg_gen_and_i64(t0, t0, t2); /* t0 = ..ba..fe */
|
|
tcg_gen_shli_i64(t1, t1, 16); /* t1 = dc..hg.. */
|
|
tcg_gen_or_i64(ret, t0, t1); /* ret = dcbahgfe */
|
|
|
|
tcg_gen_shri_i64(t0, ret, 32); /* t0 = ....dcba */
|
|
tcg_gen_shli_i64(t1, ret, 32); /* t1 = hgfe.... */
|
|
tcg_gen_or_i64(ret, t0, t1); /* ret = hgfedcba */
|
|
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
tcg_temp_free_i64(t2);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_not_i64(TCGv_i64 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_not_i32(TCGV_LOW(ret), TCGV_LOW(arg));
|
|
tcg_gen_not_i32(TCGV_HIGH(ret), TCGV_HIGH(arg));
|
|
} else if (TCG_TARGET_HAS_not_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_not_i64, ret, arg);
|
|
} else {
|
|
tcg_gen_xori_i64(ret, arg, -1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_andc_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_andc_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
|
|
tcg_gen_andc_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
|
|
} else if (TCG_TARGET_HAS_andc_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_andc_i64, ret, arg1, arg2);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
tcg_gen_not_i64(t0, arg2);
|
|
tcg_gen_and_i64(ret, arg1, t0);
|
|
tcg_temp_free_i64(t0);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_eqv_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_eqv_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
|
|
tcg_gen_eqv_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
|
|
} else if (TCG_TARGET_HAS_eqv_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_eqv_i64, ret, arg1, arg2);
|
|
} else {
|
|
tcg_gen_xor_i64(ret, arg1, arg2);
|
|
tcg_gen_not_i64(ret, ret);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_nand_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_nand_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
|
|
tcg_gen_nand_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
|
|
} else if (TCG_TARGET_HAS_nand_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_nand_i64, ret, arg1, arg2);
|
|
} else {
|
|
tcg_gen_and_i64(ret, arg1, arg2);
|
|
tcg_gen_not_i64(ret, ret);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_nor_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_nor_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
|
|
tcg_gen_nor_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
|
|
} else if (TCG_TARGET_HAS_nor_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_nor_i64, ret, arg1, arg2);
|
|
} else {
|
|
tcg_gen_or_i64(ret, arg1, arg2);
|
|
tcg_gen_not_i64(ret, ret);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_orc_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_orc_i32(TCGV_LOW(ret), TCGV_LOW(arg1), TCGV_LOW(arg2));
|
|
tcg_gen_orc_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1), TCGV_HIGH(arg2));
|
|
} else if (TCG_TARGET_HAS_orc_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_orc_i64, ret, arg1, arg2);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
tcg_gen_not_i64(t0, arg2);
|
|
tcg_gen_or_i64(ret, arg1, t0);
|
|
tcg_temp_free_i64(t0);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_clz_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_clz_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_clz_i64, ret, arg1, arg2);
|
|
} else {
|
|
gen_helper_clz_i64(ret, arg1, arg2);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_clzi_i64(TCGv_i64 ret, TCGv_i64 arg1, uint64_t arg2)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32
|
|
&& TCG_TARGET_HAS_clz_i32
|
|
&& arg2 <= 0xffffffffu) {
|
|
TCGv_i32 t = tcg_temp_new_i32();
|
|
tcg_gen_clzi_i32(t, TCGV_LOW(arg1), arg2 - 32);
|
|
tcg_gen_addi_i32(t, t, 32);
|
|
tcg_gen_clz_i32(TCGV_LOW(ret), TCGV_HIGH(arg1), t);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
tcg_temp_free_i32(t);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_const_i64(arg2);
|
|
tcg_gen_clz_i64(ret, arg1, t0);
|
|
tcg_temp_free_i64(t0);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ctz_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_ctz_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_ctz_i64, ret, arg1, arg2);
|
|
} else if (TCG_TARGET_HAS_ctpop_i64 || TCG_TARGET_HAS_clz_i64) {
|
|
TCGv_i64 z, t = tcg_temp_new_i64();
|
|
|
|
if (TCG_TARGET_HAS_ctpop_i64) {
|
|
tcg_gen_subi_i64(t, arg1, 1);
|
|
tcg_gen_andc_i64(t, t, arg1);
|
|
tcg_gen_ctpop_i64(t, t);
|
|
} else {
|
|
/* Since all non-x86 hosts have clz(0) == 64, don't fight it. */
|
|
tcg_gen_neg_i64(t, arg1);
|
|
tcg_gen_and_i64(t, t, arg1);
|
|
tcg_gen_clzi_i64(t, t, 64);
|
|
tcg_gen_xori_i64(t, t, 63);
|
|
}
|
|
z = tcg_constant_i64(0);
|
|
tcg_gen_movcond_i64(TCG_COND_EQ, ret, arg1, z, arg2, t);
|
|
tcg_temp_free_i64(t);
|
|
tcg_temp_free_i64(z);
|
|
} else {
|
|
gen_helper_ctz_i64(ret, arg1, arg2);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ctzi_i64(TCGv_i64 ret, TCGv_i64 arg1, uint64_t arg2)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32
|
|
&& TCG_TARGET_HAS_ctz_i32
|
|
&& arg2 <= 0xffffffffu) {
|
|
TCGv_i32 t32 = tcg_temp_new_i32();
|
|
tcg_gen_ctzi_i32(t32, TCGV_HIGH(arg1), arg2 - 32);
|
|
tcg_gen_addi_i32(t32, t32, 32);
|
|
tcg_gen_ctz_i32(TCGV_LOW(ret), TCGV_LOW(arg1), t32);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
tcg_temp_free_i32(t32);
|
|
} else if (!TCG_TARGET_HAS_ctz_i64
|
|
&& TCG_TARGET_HAS_ctpop_i64
|
|
&& arg2 == 64) {
|
|
/* This equivalence has the advantage of not requiring a fixup. */
|
|
TCGv_i64 t = tcg_temp_new_i64();
|
|
tcg_gen_subi_i64(t, arg1, 1);
|
|
tcg_gen_andc_i64(t, t, arg1);
|
|
tcg_gen_ctpop_i64(ret, t);
|
|
tcg_temp_free_i64(t);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_const_i64(arg2);
|
|
tcg_gen_ctz_i64(ret, arg1, t0);
|
|
tcg_temp_free_i64(t0);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_clrsb_i64(TCGv_i64 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_HAS_clz_i64 || TCG_TARGET_HAS_clz_i32) {
|
|
TCGv_i64 t = tcg_temp_new_i64();
|
|
tcg_gen_sari_i64(t, arg, 63);
|
|
tcg_gen_xor_i64(t, t, arg);
|
|
tcg_gen_clzi_i64(t, t, 64);
|
|
tcg_gen_subi_i64(ret, t, 1);
|
|
tcg_temp_free_i64(t);
|
|
} else {
|
|
gen_helper_clrsb_i64(ret, arg);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ctpop_i64(TCGv_i64 ret, TCGv_i64 arg1)
|
|
{
|
|
if (TCG_TARGET_HAS_ctpop_i64) {
|
|
tcg_gen_op2_i64(INDEX_op_ctpop_i64, ret, arg1);
|
|
} else if (TCG_TARGET_REG_BITS == 32 && TCG_TARGET_HAS_ctpop_i32) {
|
|
tcg_gen_ctpop_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1));
|
|
tcg_gen_ctpop_i32(TCGV_LOW(ret), TCGV_LOW(arg1));
|
|
tcg_gen_add_i32(TCGV_LOW(ret), TCGV_LOW(ret), TCGV_HIGH(ret));
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
} else {
|
|
gen_helper_ctpop_i64(ret, arg1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_rotl_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_rot_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_rotl_i64, ret, arg1, arg2);
|
|
} else {
|
|
TCGv_i64 t0, t1;
|
|
t0 = tcg_temp_new_i64();
|
|
t1 = tcg_temp_new_i64();
|
|
tcg_gen_shl_i64(t0, arg1, arg2);
|
|
tcg_gen_subfi_i64(t1, 64, arg2);
|
|
tcg_gen_shr_i64(t1, arg1, t1);
|
|
tcg_gen_or_i64(ret, t0, t1);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_rotli_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
|
|
{
|
|
tcg_debug_assert(arg2 >= 0 && arg2 < 64);
|
|
/* some cases can be optimized here */
|
|
if (arg2 == 0) {
|
|
tcg_gen_mov_i64(ret, arg1);
|
|
} else if (TCG_TARGET_HAS_rot_i64) {
|
|
tcg_gen_rotl_i64(ret, arg1, tcg_constant_i64(arg2));
|
|
} else {
|
|
TCGv_i64 t0, t1;
|
|
t0 = tcg_temp_new_i64();
|
|
t1 = tcg_temp_new_i64();
|
|
tcg_gen_shli_i64(t0, arg1, arg2);
|
|
tcg_gen_shri_i64(t1, arg1, 64 - arg2);
|
|
tcg_gen_or_i64(ret, t0, t1);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_rotr_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_rot_i64) {
|
|
tcg_gen_op3_i64(INDEX_op_rotr_i64, ret, arg1, arg2);
|
|
} else {
|
|
TCGv_i64 t0, t1;
|
|
t0 = tcg_temp_new_i64();
|
|
t1 = tcg_temp_new_i64();
|
|
tcg_gen_shr_i64(t0, arg1, arg2);
|
|
tcg_gen_subfi_i64(t1, 64, arg2);
|
|
tcg_gen_shl_i64(t1, arg1, t1);
|
|
tcg_gen_or_i64(ret, t0, t1);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_rotri_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
|
|
{
|
|
tcg_debug_assert(arg2 >= 0 && arg2 < 64);
|
|
/* some cases can be optimized here */
|
|
if (arg2 == 0) {
|
|
tcg_gen_mov_i64(ret, arg1);
|
|
} else {
|
|
tcg_gen_rotli_i64(ret, arg1, 64 - arg2);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_deposit_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2,
|
|
unsigned int ofs, unsigned int len)
|
|
{
|
|
uint64_t mask;
|
|
TCGv_i64 t1;
|
|
|
|
tcg_debug_assert(ofs < 64);
|
|
tcg_debug_assert(len > 0);
|
|
tcg_debug_assert(len <= 64);
|
|
tcg_debug_assert(ofs + len <= 64);
|
|
|
|
if (len == 64) {
|
|
tcg_gen_mov_i64(ret, arg2);
|
|
return;
|
|
}
|
|
if (TCG_TARGET_HAS_deposit_i64 && TCG_TARGET_deposit_i64_valid(ofs, len)) {
|
|
tcg_gen_op5ii_i64(INDEX_op_deposit_i64, ret, arg1, arg2, ofs, len);
|
|
return;
|
|
}
|
|
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
if (ofs >= 32) {
|
|
tcg_gen_deposit_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1),
|
|
TCGV_LOW(arg2), ofs - 32, len);
|
|
tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg1));
|
|
return;
|
|
}
|
|
if (ofs + len <= 32) {
|
|
tcg_gen_deposit_i32(TCGV_LOW(ret), TCGV_LOW(arg1),
|
|
TCGV_LOW(arg2), ofs, len);
|
|
tcg_gen_mov_i32(TCGV_HIGH(ret), TCGV_HIGH(arg1));
|
|
return;
|
|
}
|
|
}
|
|
|
|
t1 = tcg_temp_new_i64();
|
|
|
|
if (TCG_TARGET_HAS_extract2_i64) {
|
|
if (ofs + len == 64) {
|
|
tcg_gen_shli_i64(t1, arg1, len);
|
|
tcg_gen_extract2_i64(ret, t1, arg2, len);
|
|
goto done;
|
|
}
|
|
if (ofs == 0) {
|
|
tcg_gen_extract2_i64(ret, arg1, arg2, len);
|
|
tcg_gen_rotli_i64(ret, ret, len);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
mask = (1ull << len) - 1;
|
|
if (ofs + len < 64) {
|
|
tcg_gen_andi_i64(t1, arg2, mask);
|
|
tcg_gen_shli_i64(t1, t1, ofs);
|
|
} else {
|
|
tcg_gen_shli_i64(t1, arg2, ofs);
|
|
}
|
|
tcg_gen_andi_i64(ret, arg1, ~(mask << ofs));
|
|
tcg_gen_or_i64(ret, ret, t1);
|
|
done:
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
|
|
void tcg_gen_deposit_z_i64(TCGv_i64 ret, TCGv_i64 arg,
|
|
unsigned int ofs, unsigned int len)
|
|
{
|
|
tcg_debug_assert(ofs < 64);
|
|
tcg_debug_assert(len > 0);
|
|
tcg_debug_assert(len <= 64);
|
|
tcg_debug_assert(ofs + len <= 64);
|
|
|
|
if (ofs + len == 64) {
|
|
tcg_gen_shli_i64(ret, arg, ofs);
|
|
} else if (ofs == 0) {
|
|
tcg_gen_andi_i64(ret, arg, (1ull << len) - 1);
|
|
} else if (TCG_TARGET_HAS_deposit_i64
|
|
&& TCG_TARGET_deposit_i64_valid(ofs, len)) {
|
|
TCGv_i64 zero = tcg_constant_i64(0);
|
|
tcg_gen_op5ii_i64(INDEX_op_deposit_i64, ret, zero, arg, ofs, len);
|
|
} else {
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
if (ofs >= 32) {
|
|
tcg_gen_deposit_z_i32(TCGV_HIGH(ret), TCGV_LOW(arg),
|
|
ofs - 32, len);
|
|
tcg_gen_movi_i32(TCGV_LOW(ret), 0);
|
|
return;
|
|
}
|
|
if (ofs + len <= 32) {
|
|
tcg_gen_deposit_z_i32(TCGV_LOW(ret), TCGV_LOW(arg), ofs, len);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
return;
|
|
}
|
|
}
|
|
/* To help two-operand hosts we prefer to zero-extend first,
|
|
which allows ARG to stay live. */
|
|
switch (len) {
|
|
case 32:
|
|
if (TCG_TARGET_HAS_ext32u_i64) {
|
|
tcg_gen_ext32u_i64(ret, arg);
|
|
tcg_gen_shli_i64(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
case 16:
|
|
if (TCG_TARGET_HAS_ext16u_i64) {
|
|
tcg_gen_ext16u_i64(ret, arg);
|
|
tcg_gen_shli_i64(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
case 8:
|
|
if (TCG_TARGET_HAS_ext8u_i64) {
|
|
tcg_gen_ext8u_i64(ret, arg);
|
|
tcg_gen_shli_i64(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
/* Otherwise prefer zero-extension over AND for code size. */
|
|
switch (ofs + len) {
|
|
case 32:
|
|
if (TCG_TARGET_HAS_ext32u_i64) {
|
|
tcg_gen_shli_i64(ret, arg, ofs);
|
|
tcg_gen_ext32u_i64(ret, ret);
|
|
return;
|
|
}
|
|
break;
|
|
case 16:
|
|
if (TCG_TARGET_HAS_ext16u_i64) {
|
|
tcg_gen_shli_i64(ret, arg, ofs);
|
|
tcg_gen_ext16u_i64(ret, ret);
|
|
return;
|
|
}
|
|
break;
|
|
case 8:
|
|
if (TCG_TARGET_HAS_ext8u_i64) {
|
|
tcg_gen_shli_i64(ret, arg, ofs);
|
|
tcg_gen_ext8u_i64(ret, ret);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
tcg_gen_andi_i64(ret, arg, (1ull << len) - 1);
|
|
tcg_gen_shli_i64(ret, ret, ofs);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_extract_i64(TCGv_i64 ret, TCGv_i64 arg,
|
|
unsigned int ofs, unsigned int len)
|
|
{
|
|
tcg_debug_assert(ofs < 64);
|
|
tcg_debug_assert(len > 0);
|
|
tcg_debug_assert(len <= 64);
|
|
tcg_debug_assert(ofs + len <= 64);
|
|
|
|
/* Canonicalize certain special cases, even if extract is supported. */
|
|
if (ofs + len == 64) {
|
|
tcg_gen_shri_i64(ret, arg, 64 - len);
|
|
return;
|
|
}
|
|
if (ofs == 0) {
|
|
tcg_gen_andi_i64(ret, arg, (1ull << len) - 1);
|
|
return;
|
|
}
|
|
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
/* Look for a 32-bit extract within one of the two words. */
|
|
if (ofs >= 32) {
|
|
tcg_gen_extract_i32(TCGV_LOW(ret), TCGV_HIGH(arg), ofs - 32, len);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
return;
|
|
}
|
|
if (ofs + len <= 32) {
|
|
tcg_gen_extract_i32(TCGV_LOW(ret), TCGV_LOW(arg), ofs, len);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
return;
|
|
}
|
|
/* The field is split across two words. One double-word
|
|
shift is better than two double-word shifts. */
|
|
goto do_shift_and;
|
|
}
|
|
|
|
if (TCG_TARGET_HAS_extract_i64
|
|
&& TCG_TARGET_extract_i64_valid(ofs, len)) {
|
|
tcg_gen_op4ii_i64(INDEX_op_extract_i64, ret, arg, ofs, len);
|
|
return;
|
|
}
|
|
|
|
/* Assume that zero-extension, if available, is cheaper than a shift. */
|
|
switch (ofs + len) {
|
|
case 32:
|
|
if (TCG_TARGET_HAS_ext32u_i64) {
|
|
tcg_gen_ext32u_i64(ret, arg);
|
|
tcg_gen_shri_i64(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
case 16:
|
|
if (TCG_TARGET_HAS_ext16u_i64) {
|
|
tcg_gen_ext16u_i64(ret, arg);
|
|
tcg_gen_shri_i64(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
case 8:
|
|
if (TCG_TARGET_HAS_ext8u_i64) {
|
|
tcg_gen_ext8u_i64(ret, arg);
|
|
tcg_gen_shri_i64(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
|
|
/* ??? Ideally we'd know what values are available for immediate AND.
|
|
Assume that 8 bits are available, plus the special cases of 16 and 32,
|
|
so that we get ext8u, ext16u, and ext32u. */
|
|
switch (len) {
|
|
case 1 ... 8: case 16: case 32:
|
|
do_shift_and:
|
|
tcg_gen_shri_i64(ret, arg, ofs);
|
|
tcg_gen_andi_i64(ret, ret, (1ull << len) - 1);
|
|
break;
|
|
default:
|
|
tcg_gen_shli_i64(ret, arg, 64 - len - ofs);
|
|
tcg_gen_shri_i64(ret, ret, 64 - len);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void tcg_gen_sextract_i64(TCGv_i64 ret, TCGv_i64 arg,
|
|
unsigned int ofs, unsigned int len)
|
|
{
|
|
tcg_debug_assert(ofs < 64);
|
|
tcg_debug_assert(len > 0);
|
|
tcg_debug_assert(len <= 64);
|
|
tcg_debug_assert(ofs + len <= 64);
|
|
|
|
/* Canonicalize certain special cases, even if sextract is supported. */
|
|
if (ofs + len == 64) {
|
|
tcg_gen_sari_i64(ret, arg, 64 - len);
|
|
return;
|
|
}
|
|
if (ofs == 0) {
|
|
switch (len) {
|
|
case 32:
|
|
tcg_gen_ext32s_i64(ret, arg);
|
|
return;
|
|
case 16:
|
|
tcg_gen_ext16s_i64(ret, arg);
|
|
return;
|
|
case 8:
|
|
tcg_gen_ext8s_i64(ret, arg);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
/* Look for a 32-bit extract within one of the two words. */
|
|
if (ofs >= 32) {
|
|
tcg_gen_sextract_i32(TCGV_LOW(ret), TCGV_HIGH(arg), ofs - 32, len);
|
|
} else if (ofs + len <= 32) {
|
|
tcg_gen_sextract_i32(TCGV_LOW(ret), TCGV_LOW(arg), ofs, len);
|
|
} else if (ofs == 0) {
|
|
tcg_gen_mov_i32(TCGV_LOW(ret), TCGV_LOW(arg));
|
|
tcg_gen_sextract_i32(TCGV_HIGH(ret), TCGV_HIGH(arg), 0, len - 32);
|
|
return;
|
|
} else if (len > 32) {
|
|
TCGv_i32 t = tcg_temp_new_i32();
|
|
/* Extract the bits for the high word normally. */
|
|
tcg_gen_sextract_i32(t, TCGV_HIGH(arg), ofs + 32, len - 32);
|
|
/* Shift the field down for the low part. */
|
|
tcg_gen_shri_i64(ret, arg, ofs);
|
|
/* Overwrite the shift into the high part. */
|
|
tcg_gen_mov_i32(TCGV_HIGH(ret), t);
|
|
tcg_temp_free_i32(t);
|
|
return;
|
|
} else {
|
|
/* Shift the field down for the low part, such that the
|
|
field sits at the MSB. */
|
|
tcg_gen_shri_i64(ret, arg, ofs + len - 32);
|
|
/* Shift the field down from the MSB, sign extending. */
|
|
tcg_gen_sari_i32(TCGV_LOW(ret), TCGV_LOW(ret), 32 - len);
|
|
}
|
|
/* Sign-extend the field from 32 bits. */
|
|
tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
|
|
return;
|
|
}
|
|
|
|
if (TCG_TARGET_HAS_sextract_i64
|
|
&& TCG_TARGET_extract_i64_valid(ofs, len)) {
|
|
tcg_gen_op4ii_i64(INDEX_op_sextract_i64, ret, arg, ofs, len);
|
|
return;
|
|
}
|
|
|
|
/* Assume that sign-extension, if available, is cheaper than a shift. */
|
|
switch (ofs + len) {
|
|
case 32:
|
|
if (TCG_TARGET_HAS_ext32s_i64) {
|
|
tcg_gen_ext32s_i64(ret, arg);
|
|
tcg_gen_sari_i64(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
case 16:
|
|
if (TCG_TARGET_HAS_ext16s_i64) {
|
|
tcg_gen_ext16s_i64(ret, arg);
|
|
tcg_gen_sari_i64(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
case 8:
|
|
if (TCG_TARGET_HAS_ext8s_i64) {
|
|
tcg_gen_ext8s_i64(ret, arg);
|
|
tcg_gen_sari_i64(ret, ret, ofs);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
switch (len) {
|
|
case 32:
|
|
if (TCG_TARGET_HAS_ext32s_i64) {
|
|
tcg_gen_shri_i64(ret, arg, ofs);
|
|
tcg_gen_ext32s_i64(ret, ret);
|
|
return;
|
|
}
|
|
break;
|
|
case 16:
|
|
if (TCG_TARGET_HAS_ext16s_i64) {
|
|
tcg_gen_shri_i64(ret, arg, ofs);
|
|
tcg_gen_ext16s_i64(ret, ret);
|
|
return;
|
|
}
|
|
break;
|
|
case 8:
|
|
if (TCG_TARGET_HAS_ext8s_i64) {
|
|
tcg_gen_shri_i64(ret, arg, ofs);
|
|
tcg_gen_ext8s_i64(ret, ret);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
tcg_gen_shli_i64(ret, arg, 64 - len - ofs);
|
|
tcg_gen_sari_i64(ret, ret, 64 - len);
|
|
}
|
|
|
|
/*
|
|
* Extract 64 bits from a 128-bit input, ah:al, starting from ofs.
|
|
* Unlike tcg_gen_extract_i64 above, len is fixed at 64.
|
|
*/
|
|
void tcg_gen_extract2_i64(TCGv_i64 ret, TCGv_i64 al, TCGv_i64 ah,
|
|
unsigned int ofs)
|
|
{
|
|
tcg_debug_assert(ofs <= 64);
|
|
if (ofs == 0) {
|
|
tcg_gen_mov_i64(ret, al);
|
|
} else if (ofs == 64) {
|
|
tcg_gen_mov_i64(ret, ah);
|
|
} else if (al == ah) {
|
|
tcg_gen_rotri_i64(ret, al, ofs);
|
|
} else if (TCG_TARGET_HAS_extract2_i64) {
|
|
tcg_gen_op4i_i64(INDEX_op_extract2_i64, ret, al, ah, ofs);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
tcg_gen_shri_i64(t0, al, ofs);
|
|
tcg_gen_deposit_i64(ret, t0, ah, 64 - ofs, ofs);
|
|
tcg_temp_free_i64(t0);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_movcond_i64(TCGCond cond, TCGv_i64 ret, TCGv_i64 c1,
|
|
TCGv_i64 c2, TCGv_i64 v1, TCGv_i64 v2)
|
|
{
|
|
if (cond == TCG_COND_ALWAYS) {
|
|
tcg_gen_mov_i64(ret, v1);
|
|
} else if (cond == TCG_COND_NEVER) {
|
|
tcg_gen_mov_i64(ret, v2);
|
|
} else if (TCG_TARGET_REG_BITS == 32) {
|
|
TCGv_i32 t0 = tcg_temp_new_i32();
|
|
TCGv_i32 t1 = tcg_temp_new_i32();
|
|
tcg_gen_op6i_i32(INDEX_op_setcond2_i32, t0,
|
|
TCGV_LOW(c1), TCGV_HIGH(c1),
|
|
TCGV_LOW(c2), TCGV_HIGH(c2), cond);
|
|
|
|
if (TCG_TARGET_HAS_movcond_i32) {
|
|
tcg_gen_movi_i32(t1, 0);
|
|
tcg_gen_movcond_i32(TCG_COND_NE, TCGV_LOW(ret), t0, t1,
|
|
TCGV_LOW(v1), TCGV_LOW(v2));
|
|
tcg_gen_movcond_i32(TCG_COND_NE, TCGV_HIGH(ret), t0, t1,
|
|
TCGV_HIGH(v1), TCGV_HIGH(v2));
|
|
} else {
|
|
tcg_gen_neg_i32(t0, t0);
|
|
|
|
tcg_gen_and_i32(t1, TCGV_LOW(v1), t0);
|
|
tcg_gen_andc_i32(TCGV_LOW(ret), TCGV_LOW(v2), t0);
|
|
tcg_gen_or_i32(TCGV_LOW(ret), TCGV_LOW(ret), t1);
|
|
|
|
tcg_gen_and_i32(t1, TCGV_HIGH(v1), t0);
|
|
tcg_gen_andc_i32(TCGV_HIGH(ret), TCGV_HIGH(v2), t0);
|
|
tcg_gen_or_i32(TCGV_HIGH(ret), TCGV_HIGH(ret), t1);
|
|
}
|
|
tcg_temp_free_i32(t0);
|
|
tcg_temp_free_i32(t1);
|
|
} else if (TCG_TARGET_HAS_movcond_i64) {
|
|
tcg_gen_op6i_i64(INDEX_op_movcond_i64, ret, c1, c2, v1, v2, cond);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
tcg_gen_setcond_i64(cond, t0, c1, c2);
|
|
tcg_gen_neg_i64(t0, t0);
|
|
tcg_gen_and_i64(t1, v1, t0);
|
|
tcg_gen_andc_i64(ret, v2, t0);
|
|
tcg_gen_or_i64(ret, ret, t1);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_add2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 al,
|
|
TCGv_i64 ah, TCGv_i64 bl, TCGv_i64 bh)
|
|
{
|
|
if (TCG_TARGET_HAS_add2_i64) {
|
|
tcg_gen_op6_i64(INDEX_op_add2_i64, rl, rh, al, ah, bl, bh);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
tcg_gen_add_i64(t0, al, bl);
|
|
tcg_gen_setcond_i64(TCG_COND_LTU, t1, t0, al);
|
|
tcg_gen_add_i64(rh, ah, bh);
|
|
tcg_gen_add_i64(rh, rh, t1);
|
|
tcg_gen_mov_i64(rl, t0);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_sub2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 al,
|
|
TCGv_i64 ah, TCGv_i64 bl, TCGv_i64 bh)
|
|
{
|
|
if (TCG_TARGET_HAS_sub2_i64) {
|
|
tcg_gen_op6_i64(INDEX_op_sub2_i64, rl, rh, al, ah, bl, bh);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
tcg_gen_sub_i64(t0, al, bl);
|
|
tcg_gen_setcond_i64(TCG_COND_LTU, t1, al, bl);
|
|
tcg_gen_sub_i64(rh, ah, bh);
|
|
tcg_gen_sub_i64(rh, rh, t1);
|
|
tcg_gen_mov_i64(rl, t0);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_mulu2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_mulu2_i64) {
|
|
tcg_gen_op4_i64(INDEX_op_mulu2_i64, rl, rh, arg1, arg2);
|
|
} else if (TCG_TARGET_HAS_muluh_i64) {
|
|
TCGv_i64 t = tcg_temp_new_i64();
|
|
tcg_gen_op3_i64(INDEX_op_mul_i64, t, arg1, arg2);
|
|
tcg_gen_op3_i64(INDEX_op_muluh_i64, rh, arg1, arg2);
|
|
tcg_gen_mov_i64(rl, t);
|
|
tcg_temp_free_i64(t);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
tcg_gen_mul_i64(t0, arg1, arg2);
|
|
gen_helper_muluh_i64(rh, arg1, arg2);
|
|
tcg_gen_mov_i64(rl, t0);
|
|
tcg_temp_free_i64(t0);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_muls2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
if (TCG_TARGET_HAS_muls2_i64) {
|
|
tcg_gen_op4_i64(INDEX_op_muls2_i64, rl, rh, arg1, arg2);
|
|
} else if (TCG_TARGET_HAS_mulsh_i64) {
|
|
TCGv_i64 t = tcg_temp_new_i64();
|
|
tcg_gen_op3_i64(INDEX_op_mul_i64, t, arg1, arg2);
|
|
tcg_gen_op3_i64(INDEX_op_mulsh_i64, rh, arg1, arg2);
|
|
tcg_gen_mov_i64(rl, t);
|
|
tcg_temp_free_i64(t);
|
|
} else if (TCG_TARGET_HAS_mulu2_i64 || TCG_TARGET_HAS_muluh_i64) {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
TCGv_i64 t2 = tcg_temp_new_i64();
|
|
TCGv_i64 t3 = tcg_temp_new_i64();
|
|
tcg_gen_mulu2_i64(t0, t1, arg1, arg2);
|
|
/* Adjust for negative inputs. */
|
|
tcg_gen_sari_i64(t2, arg1, 63);
|
|
tcg_gen_sari_i64(t3, arg2, 63);
|
|
tcg_gen_and_i64(t2, t2, arg2);
|
|
tcg_gen_and_i64(t3, t3, arg1);
|
|
tcg_gen_sub_i64(rh, t1, t2);
|
|
tcg_gen_sub_i64(rh, rh, t3);
|
|
tcg_gen_mov_i64(rl, t0);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
tcg_temp_free_i64(t2);
|
|
tcg_temp_free_i64(t3);
|
|
} else {
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
tcg_gen_mul_i64(t0, arg1, arg2);
|
|
gen_helper_mulsh_i64(rh, arg1, arg2);
|
|
tcg_gen_mov_i64(rl, t0);
|
|
tcg_temp_free_i64(t0);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_mulsu2_i64(TCGv_i64 rl, TCGv_i64 rh, TCGv_i64 arg1, TCGv_i64 arg2)
|
|
{
|
|
TCGv_i64 t0 = tcg_temp_new_i64();
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
TCGv_i64 t2 = tcg_temp_new_i64();
|
|
tcg_gen_mulu2_i64(t0, t1, arg1, arg2);
|
|
/* Adjust for negative input for the signed arg1. */
|
|
tcg_gen_sari_i64(t2, arg1, 63);
|
|
tcg_gen_and_i64(t2, t2, arg2);
|
|
tcg_gen_sub_i64(rh, t1, t2);
|
|
tcg_gen_mov_i64(rl, t0);
|
|
tcg_temp_free_i64(t0);
|
|
tcg_temp_free_i64(t1);
|
|
tcg_temp_free_i64(t2);
|
|
}
|
|
|
|
void tcg_gen_smin_i64(TCGv_i64 ret, TCGv_i64 a, TCGv_i64 b)
|
|
{
|
|
tcg_gen_movcond_i64(TCG_COND_LT, ret, a, b, a, b);
|
|
}
|
|
|
|
void tcg_gen_umin_i64(TCGv_i64 ret, TCGv_i64 a, TCGv_i64 b)
|
|
{
|
|
tcg_gen_movcond_i64(TCG_COND_LTU, ret, a, b, a, b);
|
|
}
|
|
|
|
void tcg_gen_smax_i64(TCGv_i64 ret, TCGv_i64 a, TCGv_i64 b)
|
|
{
|
|
tcg_gen_movcond_i64(TCG_COND_LT, ret, a, b, b, a);
|
|
}
|
|
|
|
void tcg_gen_umax_i64(TCGv_i64 ret, TCGv_i64 a, TCGv_i64 b)
|
|
{
|
|
tcg_gen_movcond_i64(TCG_COND_LTU, ret, a, b, b, a);
|
|
}
|
|
|
|
void tcg_gen_abs_i64(TCGv_i64 ret, TCGv_i64 a)
|
|
{
|
|
TCGv_i64 t = tcg_temp_new_i64();
|
|
|
|
tcg_gen_sari_i64(t, a, 63);
|
|
tcg_gen_xor_i64(ret, a, t);
|
|
tcg_gen_sub_i64(ret, ret, t);
|
|
tcg_temp_free_i64(t);
|
|
}
|
|
|
|
/* Size changing operations. */
|
|
|
|
void tcg_gen_extrl_i64_i32(TCGv_i32 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_mov_i32(ret, TCGV_LOW(arg));
|
|
} else if (TCG_TARGET_HAS_extrl_i64_i32) {
|
|
tcg_gen_op2(INDEX_op_extrl_i64_i32,
|
|
tcgv_i32_arg(ret), tcgv_i64_arg(arg));
|
|
} else {
|
|
tcg_gen_mov_i32(ret, (TCGv_i32)arg);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_extrh_i64_i32(TCGv_i32 ret, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_mov_i32(ret, TCGV_HIGH(arg));
|
|
} else if (TCG_TARGET_HAS_extrh_i64_i32) {
|
|
tcg_gen_op2(INDEX_op_extrh_i64_i32,
|
|
tcgv_i32_arg(ret), tcgv_i64_arg(arg));
|
|
} else {
|
|
TCGv_i64 t = tcg_temp_new_i64();
|
|
tcg_gen_shri_i64(t, arg, 32);
|
|
tcg_gen_mov_i32(ret, (TCGv_i32)t);
|
|
tcg_temp_free_i64(t);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_extu_i32_i64(TCGv_i64 ret, TCGv_i32 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_mov_i32(TCGV_LOW(ret), arg);
|
|
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
|
|
} else {
|
|
tcg_gen_op2(INDEX_op_extu_i32_i64,
|
|
tcgv_i64_arg(ret), tcgv_i32_arg(arg));
|
|
}
|
|
}
|
|
|
|
void tcg_gen_ext_i32_i64(TCGv_i64 ret, TCGv_i32 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_mov_i32(TCGV_LOW(ret), arg);
|
|
tcg_gen_sari_i32(TCGV_HIGH(ret), TCGV_LOW(ret), 31);
|
|
} else {
|
|
tcg_gen_op2(INDEX_op_ext_i32_i64,
|
|
tcgv_i64_arg(ret), tcgv_i32_arg(arg));
|
|
}
|
|
}
|
|
|
|
void tcg_gen_concat_i32_i64(TCGv_i64 dest, TCGv_i32 low, TCGv_i32 high)
|
|
{
|
|
TCGv_i64 tmp;
|
|
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_mov_i32(TCGV_LOW(dest), low);
|
|
tcg_gen_mov_i32(TCGV_HIGH(dest), high);
|
|
return;
|
|
}
|
|
|
|
tmp = tcg_temp_new_i64();
|
|
/* These extensions are only needed for type correctness.
|
|
We may be able to do better given target specific information. */
|
|
tcg_gen_extu_i32_i64(tmp, high);
|
|
tcg_gen_extu_i32_i64(dest, low);
|
|
/* If deposit is available, use it. Otherwise use the extra
|
|
knowledge that we have of the zero-extensions above. */
|
|
if (TCG_TARGET_HAS_deposit_i64 && TCG_TARGET_deposit_i64_valid(32, 32)) {
|
|
tcg_gen_deposit_i64(dest, dest, tmp, 32, 32);
|
|
} else {
|
|
tcg_gen_shli_i64(tmp, tmp, 32);
|
|
tcg_gen_or_i64(dest, dest, tmp);
|
|
}
|
|
tcg_temp_free_i64(tmp);
|
|
}
|
|
|
|
void tcg_gen_extr_i64_i32(TCGv_i32 lo, TCGv_i32 hi, TCGv_i64 arg)
|
|
{
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_mov_i32(lo, TCGV_LOW(arg));
|
|
tcg_gen_mov_i32(hi, TCGV_HIGH(arg));
|
|
} else {
|
|
tcg_gen_extrl_i64_i32(lo, arg);
|
|
tcg_gen_extrh_i64_i32(hi, arg);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_extr32_i64(TCGv_i64 lo, TCGv_i64 hi, TCGv_i64 arg)
|
|
{
|
|
tcg_gen_ext32u_i64(lo, arg);
|
|
tcg_gen_shri_i64(hi, arg, 32);
|
|
}
|
|
|
|
/* QEMU specific operations. */
|
|
|
|
void tcg_gen_exit_tb(const TranslationBlock *tb, unsigned idx)
|
|
{
|
|
/*
|
|
* Let the jit code return the read-only version of the
|
|
* TranslationBlock, so that we minimize the pc-relative
|
|
* distance of the address of the exit_tb code to TB.
|
|
* This will improve utilization of pc-relative address loads.
|
|
*
|
|
* TODO: Move this to translator_loop, so that all const
|
|
* TranslationBlock pointers refer to read-only memory.
|
|
* This requires coordination with targets that do not use
|
|
* the translator_loop.
|
|
*/
|
|
uintptr_t val = (uintptr_t)tcg_splitwx_to_rx((void *)tb) + idx;
|
|
|
|
if (tb == NULL) {
|
|
tcg_debug_assert(idx == 0);
|
|
} else if (idx <= TB_EXIT_IDXMAX) {
|
|
#ifdef CONFIG_DEBUG_TCG
|
|
/* This is an exit following a goto_tb. Verify that we have
|
|
seen this numbered exit before, via tcg_gen_goto_tb. */
|
|
tcg_debug_assert(tcg_ctx->goto_tb_issue_mask & (1 << idx));
|
|
#endif
|
|
/* When not chaining, exit without indicating a link. */
|
|
if (qemu_loglevel_mask(CPU_LOG_TB_NOCHAIN)) {
|
|
val = 0;
|
|
}
|
|
} else {
|
|
/* This is an exit via the exitreq label. */
|
|
tcg_debug_assert(idx == TB_EXIT_REQUESTED);
|
|
}
|
|
|
|
plugin_gen_disable_mem_helpers();
|
|
tcg_gen_op1i(INDEX_op_exit_tb, val);
|
|
}
|
|
|
|
void tcg_gen_goto_tb(unsigned idx)
|
|
{
|
|
/* We only support two chained exits. */
|
|
tcg_debug_assert(idx <= TB_EXIT_IDXMAX);
|
|
#ifdef CONFIG_DEBUG_TCG
|
|
/* Verify that we havn't seen this numbered exit before. */
|
|
tcg_debug_assert((tcg_ctx->goto_tb_issue_mask & (1 << idx)) == 0);
|
|
tcg_ctx->goto_tb_issue_mask |= 1 << idx;
|
|
#endif
|
|
plugin_gen_disable_mem_helpers();
|
|
/* When not chaining, we simply fall through to the "fallback" exit. */
|
|
if (!qemu_loglevel_mask(CPU_LOG_TB_NOCHAIN)) {
|
|
tcg_gen_op1i(INDEX_op_goto_tb, idx);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_lookup_and_goto_ptr(void)
|
|
{
|
|
if (TCG_TARGET_HAS_goto_ptr && !qemu_loglevel_mask(CPU_LOG_TB_NOCHAIN)) {
|
|
TCGv_ptr ptr;
|
|
|
|
plugin_gen_disable_mem_helpers();
|
|
ptr = tcg_temp_new_ptr();
|
|
gen_helper_lookup_tb_ptr(ptr, cpu_env);
|
|
tcg_gen_op1i(INDEX_op_goto_ptr, tcgv_ptr_arg(ptr));
|
|
tcg_temp_free_ptr(ptr);
|
|
} else {
|
|
tcg_gen_exit_tb(NULL, 0);
|
|
}
|
|
}
|
|
|
|
static inline MemOp tcg_canonicalize_memop(MemOp op, bool is64, bool st)
|
|
{
|
|
/* Trigger the asserts within as early as possible. */
|
|
(void)get_alignment_bits(op);
|
|
|
|
switch (op & MO_SIZE) {
|
|
case MO_8:
|
|
op &= ~MO_BSWAP;
|
|
break;
|
|
case MO_16:
|
|
break;
|
|
case MO_32:
|
|
if (!is64) {
|
|
op &= ~MO_SIGN;
|
|
}
|
|
break;
|
|
case MO_64:
|
|
if (!is64) {
|
|
tcg_abort();
|
|
}
|
|
break;
|
|
}
|
|
if (st) {
|
|
op &= ~MO_SIGN;
|
|
}
|
|
return op;
|
|
}
|
|
|
|
static void gen_ldst_i32(TCGOpcode opc, TCGv_i32 val, TCGv addr,
|
|
MemOp memop, TCGArg idx)
|
|
{
|
|
TCGMemOpIdx oi = make_memop_idx(memop, idx);
|
|
#if TARGET_LONG_BITS == 32
|
|
tcg_gen_op3i_i32(opc, val, addr, oi);
|
|
#else
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_op4i_i32(opc, val, TCGV_LOW(addr), TCGV_HIGH(addr), oi);
|
|
} else {
|
|
tcg_gen_op3(opc, tcgv_i32_arg(val), tcgv_i64_arg(addr), oi);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void gen_ldst_i64(TCGOpcode opc, TCGv_i64 val, TCGv addr,
|
|
MemOp memop, TCGArg idx)
|
|
{
|
|
TCGMemOpIdx oi = make_memop_idx(memop, idx);
|
|
#if TARGET_LONG_BITS == 32
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_op4i_i32(opc, TCGV_LOW(val), TCGV_HIGH(val), addr, oi);
|
|
} else {
|
|
tcg_gen_op3(opc, tcgv_i64_arg(val), tcgv_i32_arg(addr), oi);
|
|
}
|
|
#else
|
|
if (TCG_TARGET_REG_BITS == 32) {
|
|
tcg_gen_op5i_i32(opc, TCGV_LOW(val), TCGV_HIGH(val),
|
|
TCGV_LOW(addr), TCGV_HIGH(addr), oi);
|
|
} else {
|
|
tcg_gen_op3i_i64(opc, val, addr, oi);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void tcg_gen_req_mo(TCGBar type)
|
|
{
|
|
#ifdef TCG_GUEST_DEFAULT_MO
|
|
type &= TCG_GUEST_DEFAULT_MO;
|
|
#endif
|
|
type &= ~TCG_TARGET_DEFAULT_MO;
|
|
if (type) {
|
|
tcg_gen_mb(type | TCG_BAR_SC);
|
|
}
|
|
}
|
|
|
|
static inline TCGv plugin_prep_mem_callbacks(TCGv vaddr)
|
|
{
|
|
#ifdef CONFIG_PLUGIN
|
|
if (tcg_ctx->plugin_insn != NULL) {
|
|
/* Save a copy of the vaddr for use after a load. */
|
|
TCGv temp = tcg_temp_new();
|
|
tcg_gen_mov_tl(temp, vaddr);
|
|
return temp;
|
|
}
|
|
#endif
|
|
return vaddr;
|
|
}
|
|
|
|
static inline void plugin_gen_mem_callbacks(TCGv vaddr, uint16_t info)
|
|
{
|
|
#ifdef CONFIG_PLUGIN
|
|
if (tcg_ctx->plugin_insn != NULL) {
|
|
plugin_gen_empty_mem_callback(vaddr, info);
|
|
tcg_temp_free(vaddr);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void tcg_gen_qemu_ld_i32(TCGv_i32 val, TCGv addr, TCGArg idx, MemOp memop)
|
|
{
|
|
MemOp orig_memop;
|
|
uint16_t info = trace_mem_get_info(memop, idx, 0);
|
|
|
|
tcg_gen_req_mo(TCG_MO_LD_LD | TCG_MO_ST_LD);
|
|
memop = tcg_canonicalize_memop(memop, 0, 0);
|
|
trace_guest_mem_before_tcg(tcg_ctx->cpu, cpu_env, addr, info);
|
|
|
|
orig_memop = memop;
|
|
if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) {
|
|
memop &= ~MO_BSWAP;
|
|
/* The bswap primitive requires zero-extended input. */
|
|
if ((memop & MO_SSIZE) == MO_SW) {
|
|
memop &= ~MO_SIGN;
|
|
}
|
|
}
|
|
|
|
addr = plugin_prep_mem_callbacks(addr);
|
|
gen_ldst_i32(INDEX_op_qemu_ld_i32, val, addr, memop, idx);
|
|
plugin_gen_mem_callbacks(addr, info);
|
|
|
|
if ((orig_memop ^ memop) & MO_BSWAP) {
|
|
switch (orig_memop & MO_SIZE) {
|
|
case MO_16:
|
|
tcg_gen_bswap16_i32(val, val);
|
|
if (orig_memop & MO_SIGN) {
|
|
tcg_gen_ext16s_i32(val, val);
|
|
}
|
|
break;
|
|
case MO_32:
|
|
tcg_gen_bswap32_i32(val, val);
|
|
break;
|
|
default:
|
|
g_assert_not_reached();
|
|
}
|
|
}
|
|
}
|
|
|
|
void tcg_gen_qemu_st_i32(TCGv_i32 val, TCGv addr, TCGArg idx, MemOp memop)
|
|
{
|
|
TCGv_i32 swap = NULL;
|
|
uint16_t info = trace_mem_get_info(memop, idx, 1);
|
|
|
|
tcg_gen_req_mo(TCG_MO_LD_ST | TCG_MO_ST_ST);
|
|
memop = tcg_canonicalize_memop(memop, 0, 1);
|
|
trace_guest_mem_before_tcg(tcg_ctx->cpu, cpu_env, addr, info);
|
|
|
|
if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) {
|
|
swap = tcg_temp_new_i32();
|
|
switch (memop & MO_SIZE) {
|
|
case MO_16:
|
|
tcg_gen_ext16u_i32(swap, val);
|
|
tcg_gen_bswap16_i32(swap, swap);
|
|
break;
|
|
case MO_32:
|
|
tcg_gen_bswap32_i32(swap, val);
|
|
break;
|
|
default:
|
|
g_assert_not_reached();
|
|
}
|
|
val = swap;
|
|
memop &= ~MO_BSWAP;
|
|
}
|
|
|
|
addr = plugin_prep_mem_callbacks(addr);
|
|
if (TCG_TARGET_HAS_qemu_st8_i32 && (memop & MO_SIZE) == MO_8) {
|
|
gen_ldst_i32(INDEX_op_qemu_st8_i32, val, addr, memop, idx);
|
|
} else {
|
|
gen_ldst_i32(INDEX_op_qemu_st_i32, val, addr, memop, idx);
|
|
}
|
|
plugin_gen_mem_callbacks(addr, info);
|
|
|
|
if (swap) {
|
|
tcg_temp_free_i32(swap);
|
|
}
|
|
}
|
|
|
|
void tcg_gen_qemu_ld_i64(TCGv_i64 val, TCGv addr, TCGArg idx, MemOp memop)
|
|
{
|
|
MemOp orig_memop;
|
|
uint16_t info;
|
|
|
|
if (TCG_TARGET_REG_BITS == 32 && (memop & MO_SIZE) < MO_64) {
|
|
tcg_gen_qemu_ld_i32(TCGV_LOW(val), addr, idx, memop);
|
|
if (memop & MO_SIGN) {
|
|
tcg_gen_sari_i32(TCGV_HIGH(val), TCGV_LOW(val), 31);
|
|
} else {
|
|
tcg_gen_movi_i32(TCGV_HIGH(val), 0);
|
|
}
|
|
return;
|
|
}
|
|
|
|
tcg_gen_req_mo(TCG_MO_LD_LD | TCG_MO_ST_LD);
|
|
memop = tcg_canonicalize_memop(memop, 1, 0);
|
|
info = trace_mem_get_info(memop, idx, 0);
|
|
trace_guest_mem_before_tcg(tcg_ctx->cpu, cpu_env, addr, info);
|
|
|
|
orig_memop = memop;
|
|
if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) {
|
|
memop &= ~MO_BSWAP;
|
|
/* The bswap primitive requires zero-extended input. */
|
|
if ((memop & MO_SIGN) && (memop & MO_SIZE) < MO_64) {
|
|
memop &= ~MO_SIGN;
|
|
}
|
|
}
|
|
|
|
addr = plugin_prep_mem_callbacks(addr);
|
|
gen_ldst_i64(INDEX_op_qemu_ld_i64, val, addr, memop, idx);
|
|
plugin_gen_mem_callbacks(addr, info);
|
|
|
|
if ((orig_memop ^ memop) & MO_BSWAP) {
|
|
switch (orig_memop & MO_SIZE) {
|
|
case MO_16:
|
|
tcg_gen_bswap16_i64(val, val);
|
|
if (orig_memop & MO_SIGN) {
|
|
tcg_gen_ext16s_i64(val, val);
|
|
}
|
|
break;
|
|
case MO_32:
|
|
tcg_gen_bswap32_i64(val, val);
|
|
if (orig_memop & MO_SIGN) {
|
|
tcg_gen_ext32s_i64(val, val);
|
|
}
|
|
break;
|
|
case MO_64:
|
|
tcg_gen_bswap64_i64(val, val);
|
|
break;
|
|
default:
|
|
g_assert_not_reached();
|
|
}
|
|
}
|
|
}
|
|
|
|
void tcg_gen_qemu_st_i64(TCGv_i64 val, TCGv addr, TCGArg idx, MemOp memop)
|
|
{
|
|
TCGv_i64 swap = NULL;
|
|
uint16_t info;
|
|
|
|
if (TCG_TARGET_REG_BITS == 32 && (memop & MO_SIZE) < MO_64) {
|
|
tcg_gen_qemu_st_i32(TCGV_LOW(val), addr, idx, memop);
|
|
return;
|
|
}
|
|
|
|
tcg_gen_req_mo(TCG_MO_LD_ST | TCG_MO_ST_ST);
|
|
memop = tcg_canonicalize_memop(memop, 1, 1);
|
|
info = trace_mem_get_info(memop, idx, 1);
|
|
trace_guest_mem_before_tcg(tcg_ctx->cpu, cpu_env, addr, info);
|
|
|
|
if (!TCG_TARGET_HAS_MEMORY_BSWAP && (memop & MO_BSWAP)) {
|
|
swap = tcg_temp_new_i64();
|
|
switch (memop & MO_SIZE) {
|
|
case MO_16:
|
|
tcg_gen_ext16u_i64(swap, val);
|
|
tcg_gen_bswap16_i64(swap, swap);
|
|
break;
|
|
case MO_32:
|
|
tcg_gen_ext32u_i64(swap, val);
|
|
tcg_gen_bswap32_i64(swap, swap);
|
|
break;
|
|
case MO_64:
|
|
tcg_gen_bswap64_i64(swap, val);
|
|
break;
|
|
default:
|
|
g_assert_not_reached();
|
|
}
|
|
val = swap;
|
|
memop &= ~MO_BSWAP;
|
|
}
|
|
|
|
addr = plugin_prep_mem_callbacks(addr);
|
|
gen_ldst_i64(INDEX_op_qemu_st_i64, val, addr, memop, idx);
|
|
plugin_gen_mem_callbacks(addr, info);
|
|
|
|
if (swap) {
|
|
tcg_temp_free_i64(swap);
|
|
}
|
|
}
|
|
|
|
static void tcg_gen_ext_i32(TCGv_i32 ret, TCGv_i32 val, MemOp opc)
|
|
{
|
|
switch (opc & MO_SSIZE) {
|
|
case MO_SB:
|
|
tcg_gen_ext8s_i32(ret, val);
|
|
break;
|
|
case MO_UB:
|
|
tcg_gen_ext8u_i32(ret, val);
|
|
break;
|
|
case MO_SW:
|
|
tcg_gen_ext16s_i32(ret, val);
|
|
break;
|
|
case MO_UW:
|
|
tcg_gen_ext16u_i32(ret, val);
|
|
break;
|
|
default:
|
|
tcg_gen_mov_i32(ret, val);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void tcg_gen_ext_i64(TCGv_i64 ret, TCGv_i64 val, MemOp opc)
|
|
{
|
|
switch (opc & MO_SSIZE) {
|
|
case MO_SB:
|
|
tcg_gen_ext8s_i64(ret, val);
|
|
break;
|
|
case MO_UB:
|
|
tcg_gen_ext8u_i64(ret, val);
|
|
break;
|
|
case MO_SW:
|
|
tcg_gen_ext16s_i64(ret, val);
|
|
break;
|
|
case MO_UW:
|
|
tcg_gen_ext16u_i64(ret, val);
|
|
break;
|
|
case MO_SL:
|
|
tcg_gen_ext32s_i64(ret, val);
|
|
break;
|
|
case MO_UL:
|
|
tcg_gen_ext32u_i64(ret, val);
|
|
break;
|
|
default:
|
|
tcg_gen_mov_i64(ret, val);
|
|
break;
|
|
}
|
|
}
|
|
|
|
#ifdef CONFIG_SOFTMMU
|
|
typedef void (*gen_atomic_cx_i32)(TCGv_i32, TCGv_env, TCGv,
|
|
TCGv_i32, TCGv_i32, TCGv_i32);
|
|
typedef void (*gen_atomic_cx_i64)(TCGv_i64, TCGv_env, TCGv,
|
|
TCGv_i64, TCGv_i64, TCGv_i32);
|
|
typedef void (*gen_atomic_op_i32)(TCGv_i32, TCGv_env, TCGv,
|
|
TCGv_i32, TCGv_i32);
|
|
typedef void (*gen_atomic_op_i64)(TCGv_i64, TCGv_env, TCGv,
|
|
TCGv_i64, TCGv_i32);
|
|
#else
|
|
typedef void (*gen_atomic_cx_i32)(TCGv_i32, TCGv_env, TCGv, TCGv_i32, TCGv_i32);
|
|
typedef void (*gen_atomic_cx_i64)(TCGv_i64, TCGv_env, TCGv, TCGv_i64, TCGv_i64);
|
|
typedef void (*gen_atomic_op_i32)(TCGv_i32, TCGv_env, TCGv, TCGv_i32);
|
|
typedef void (*gen_atomic_op_i64)(TCGv_i64, TCGv_env, TCGv, TCGv_i64);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ATOMIC64
|
|
# define WITH_ATOMIC64(X) X,
|
|
#else
|
|
# define WITH_ATOMIC64(X)
|
|
#endif
|
|
|
|
static void * const table_cmpxchg[16] = {
|
|
[MO_8] = gen_helper_atomic_cmpxchgb,
|
|
[MO_16 | MO_LE] = gen_helper_atomic_cmpxchgw_le,
|
|
[MO_16 | MO_BE] = gen_helper_atomic_cmpxchgw_be,
|
|
[MO_32 | MO_LE] = gen_helper_atomic_cmpxchgl_le,
|
|
[MO_32 | MO_BE] = gen_helper_atomic_cmpxchgl_be,
|
|
WITH_ATOMIC64([MO_64 | MO_LE] = gen_helper_atomic_cmpxchgq_le)
|
|
WITH_ATOMIC64([MO_64 | MO_BE] = gen_helper_atomic_cmpxchgq_be)
|
|
};
|
|
|
|
void tcg_gen_atomic_cmpxchg_i32(TCGv_i32 retv, TCGv addr, TCGv_i32 cmpv,
|
|
TCGv_i32 newv, TCGArg idx, MemOp memop)
|
|
{
|
|
memop = tcg_canonicalize_memop(memop, 0, 0);
|
|
|
|
if (!(tcg_ctx->tb_cflags & CF_PARALLEL)) {
|
|
TCGv_i32 t1 = tcg_temp_new_i32();
|
|
TCGv_i32 t2 = tcg_temp_new_i32();
|
|
|
|
tcg_gen_ext_i32(t2, cmpv, memop & MO_SIZE);
|
|
|
|
tcg_gen_qemu_ld_i32(t1, addr, idx, memop & ~MO_SIGN);
|
|
tcg_gen_movcond_i32(TCG_COND_EQ, t2, t1, t2, newv, t1);
|
|
tcg_gen_qemu_st_i32(t2, addr, idx, memop);
|
|
tcg_temp_free_i32(t2);
|
|
|
|
if (memop & MO_SIGN) {
|
|
tcg_gen_ext_i32(retv, t1, memop);
|
|
} else {
|
|
tcg_gen_mov_i32(retv, t1);
|
|
}
|
|
tcg_temp_free_i32(t1);
|
|
} else {
|
|
gen_atomic_cx_i32 gen;
|
|
|
|
gen = table_cmpxchg[memop & (MO_SIZE | MO_BSWAP)];
|
|
tcg_debug_assert(gen != NULL);
|
|
|
|
#ifdef CONFIG_SOFTMMU
|
|
{
|
|
TCGMemOpIdx oi = make_memop_idx(memop & ~MO_SIGN, idx);
|
|
gen(retv, cpu_env, addr, cmpv, newv, tcg_constant_i32(oi));
|
|
}
|
|
#else
|
|
gen(retv, cpu_env, addr, cmpv, newv);
|
|
#endif
|
|
|
|
if (memop & MO_SIGN) {
|
|
tcg_gen_ext_i32(retv, retv, memop);
|
|
}
|
|
}
|
|
}
|
|
|
|
void tcg_gen_atomic_cmpxchg_i64(TCGv_i64 retv, TCGv addr, TCGv_i64 cmpv,
|
|
TCGv_i64 newv, TCGArg idx, MemOp memop)
|
|
{
|
|
memop = tcg_canonicalize_memop(memop, 1, 0);
|
|
|
|
if (!(tcg_ctx->tb_cflags & CF_PARALLEL)) {
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
TCGv_i64 t2 = tcg_temp_new_i64();
|
|
|
|
tcg_gen_ext_i64(t2, cmpv, memop & MO_SIZE);
|
|
|
|
tcg_gen_qemu_ld_i64(t1, addr, idx, memop & ~MO_SIGN);
|
|
tcg_gen_movcond_i64(TCG_COND_EQ, t2, t1, t2, newv, t1);
|
|
tcg_gen_qemu_st_i64(t2, addr, idx, memop);
|
|
tcg_temp_free_i64(t2);
|
|
|
|
if (memop & MO_SIGN) {
|
|
tcg_gen_ext_i64(retv, t1, memop);
|
|
} else {
|
|
tcg_gen_mov_i64(retv, t1);
|
|
}
|
|
tcg_temp_free_i64(t1);
|
|
} else if ((memop & MO_SIZE) == MO_64) {
|
|
#ifdef CONFIG_ATOMIC64
|
|
gen_atomic_cx_i64 gen;
|
|
|
|
gen = table_cmpxchg[memop & (MO_SIZE | MO_BSWAP)];
|
|
tcg_debug_assert(gen != NULL);
|
|
|
|
#ifdef CONFIG_SOFTMMU
|
|
{
|
|
TCGMemOpIdx oi = make_memop_idx(memop, idx);
|
|
gen(retv, cpu_env, addr, cmpv, newv, tcg_constant_i32(oi));
|
|
}
|
|
#else
|
|
gen(retv, cpu_env, addr, cmpv, newv);
|
|
#endif
|
|
#else
|
|
gen_helper_exit_atomic(cpu_env);
|
|
/* Produce a result, so that we have a well-formed opcode stream
|
|
with respect to uses of the result in the (dead) code following. */
|
|
tcg_gen_movi_i64(retv, 0);
|
|
#endif /* CONFIG_ATOMIC64 */
|
|
} else {
|
|
TCGv_i32 c32 = tcg_temp_new_i32();
|
|
TCGv_i32 n32 = tcg_temp_new_i32();
|
|
TCGv_i32 r32 = tcg_temp_new_i32();
|
|
|
|
tcg_gen_extrl_i64_i32(c32, cmpv);
|
|
tcg_gen_extrl_i64_i32(n32, newv);
|
|
tcg_gen_atomic_cmpxchg_i32(r32, addr, c32, n32, idx, memop & ~MO_SIGN);
|
|
tcg_temp_free_i32(c32);
|
|
tcg_temp_free_i32(n32);
|
|
|
|
tcg_gen_extu_i32_i64(retv, r32);
|
|
tcg_temp_free_i32(r32);
|
|
|
|
if (memop & MO_SIGN) {
|
|
tcg_gen_ext_i64(retv, retv, memop);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void do_nonatomic_op_i32(TCGv_i32 ret, TCGv addr, TCGv_i32 val,
|
|
TCGArg idx, MemOp memop, bool new_val,
|
|
void (*gen)(TCGv_i32, TCGv_i32, TCGv_i32))
|
|
{
|
|
TCGv_i32 t1 = tcg_temp_new_i32();
|
|
TCGv_i32 t2 = tcg_temp_new_i32();
|
|
|
|
memop = tcg_canonicalize_memop(memop, 0, 0);
|
|
|
|
tcg_gen_qemu_ld_i32(t1, addr, idx, memop);
|
|
tcg_gen_ext_i32(t2, val, memop);
|
|
gen(t2, t1, t2);
|
|
tcg_gen_qemu_st_i32(t2, addr, idx, memop);
|
|
|
|
tcg_gen_ext_i32(ret, (new_val ? t2 : t1), memop);
|
|
tcg_temp_free_i32(t1);
|
|
tcg_temp_free_i32(t2);
|
|
}
|
|
|
|
static void do_atomic_op_i32(TCGv_i32 ret, TCGv addr, TCGv_i32 val,
|
|
TCGArg idx, MemOp memop, void * const table[])
|
|
{
|
|
gen_atomic_op_i32 gen;
|
|
|
|
memop = tcg_canonicalize_memop(memop, 0, 0);
|
|
|
|
gen = table[memop & (MO_SIZE | MO_BSWAP)];
|
|
tcg_debug_assert(gen != NULL);
|
|
|
|
#ifdef CONFIG_SOFTMMU
|
|
{
|
|
TCGMemOpIdx oi = make_memop_idx(memop & ~MO_SIGN, idx);
|
|
gen(ret, cpu_env, addr, val, tcg_constant_i32(oi));
|
|
}
|
|
#else
|
|
gen(ret, cpu_env, addr, val);
|
|
#endif
|
|
|
|
if (memop & MO_SIGN) {
|
|
tcg_gen_ext_i32(ret, ret, memop);
|
|
}
|
|
}
|
|
|
|
static void do_nonatomic_op_i64(TCGv_i64 ret, TCGv addr, TCGv_i64 val,
|
|
TCGArg idx, MemOp memop, bool new_val,
|
|
void (*gen)(TCGv_i64, TCGv_i64, TCGv_i64))
|
|
{
|
|
TCGv_i64 t1 = tcg_temp_new_i64();
|
|
TCGv_i64 t2 = tcg_temp_new_i64();
|
|
|
|
memop = tcg_canonicalize_memop(memop, 1, 0);
|
|
|
|
tcg_gen_qemu_ld_i64(t1, addr, idx, memop);
|
|
tcg_gen_ext_i64(t2, val, memop);
|
|
gen(t2, t1, t2);
|
|
tcg_gen_qemu_st_i64(t2, addr, idx, memop);
|
|
|
|
tcg_gen_ext_i64(ret, (new_val ? t2 : t1), memop);
|
|
tcg_temp_free_i64(t1);
|
|
tcg_temp_free_i64(t2);
|
|
}
|
|
|
|
static void do_atomic_op_i64(TCGv_i64 ret, TCGv addr, TCGv_i64 val,
|
|
TCGArg idx, MemOp memop, void * const table[])
|
|
{
|
|
memop = tcg_canonicalize_memop(memop, 1, 0);
|
|
|
|
if ((memop & MO_SIZE) == MO_64) {
|
|
#ifdef CONFIG_ATOMIC64
|
|
gen_atomic_op_i64 gen;
|
|
|
|
gen = table[memop & (MO_SIZE | MO_BSWAP)];
|
|
tcg_debug_assert(gen != NULL);
|
|
|
|
#ifdef CONFIG_SOFTMMU
|
|
{
|
|
TCGMemOpIdx oi = make_memop_idx(memop & ~MO_SIGN, idx);
|
|
gen(ret, cpu_env, addr, val, tcg_constant_i32(oi));
|
|
}
|
|
#else
|
|
gen(ret, cpu_env, addr, val);
|
|
#endif
|
|
#else
|
|
gen_helper_exit_atomic(cpu_env);
|
|
/* Produce a result, so that we have a well-formed opcode stream
|
|
with respect to uses of the result in the (dead) code following. */
|
|
tcg_gen_movi_i64(ret, 0);
|
|
#endif /* CONFIG_ATOMIC64 */
|
|
} else {
|
|
TCGv_i32 v32 = tcg_temp_new_i32();
|
|
TCGv_i32 r32 = tcg_temp_new_i32();
|
|
|
|
tcg_gen_extrl_i64_i32(v32, val);
|
|
do_atomic_op_i32(r32, addr, v32, idx, memop & ~MO_SIGN, table);
|
|
tcg_temp_free_i32(v32);
|
|
|
|
tcg_gen_extu_i32_i64(ret, r32);
|
|
tcg_temp_free_i32(r32);
|
|
|
|
if (memop & MO_SIGN) {
|
|
tcg_gen_ext_i64(ret, ret, memop);
|
|
}
|
|
}
|
|
}
|
|
|
|
#define GEN_ATOMIC_HELPER(NAME, OP, NEW) \
|
|
static void * const table_##NAME[16] = { \
|
|
[MO_8] = gen_helper_atomic_##NAME##b, \
|
|
[MO_16 | MO_LE] = gen_helper_atomic_##NAME##w_le, \
|
|
[MO_16 | MO_BE] = gen_helper_atomic_##NAME##w_be, \
|
|
[MO_32 | MO_LE] = gen_helper_atomic_##NAME##l_le, \
|
|
[MO_32 | MO_BE] = gen_helper_atomic_##NAME##l_be, \
|
|
WITH_ATOMIC64([MO_64 | MO_LE] = gen_helper_atomic_##NAME##q_le) \
|
|
WITH_ATOMIC64([MO_64 | MO_BE] = gen_helper_atomic_##NAME##q_be) \
|
|
}; \
|
|
void tcg_gen_atomic_##NAME##_i32 \
|
|
(TCGv_i32 ret, TCGv addr, TCGv_i32 val, TCGArg idx, MemOp memop) \
|
|
{ \
|
|
if (tcg_ctx->tb_cflags & CF_PARALLEL) { \
|
|
do_atomic_op_i32(ret, addr, val, idx, memop, table_##NAME); \
|
|
} else { \
|
|
do_nonatomic_op_i32(ret, addr, val, idx, memop, NEW, \
|
|
tcg_gen_##OP##_i32); \
|
|
} \
|
|
} \
|
|
void tcg_gen_atomic_##NAME##_i64 \
|
|
(TCGv_i64 ret, TCGv addr, TCGv_i64 val, TCGArg idx, MemOp memop) \
|
|
{ \
|
|
if (tcg_ctx->tb_cflags & CF_PARALLEL) { \
|
|
do_atomic_op_i64(ret, addr, val, idx, memop, table_##NAME); \
|
|
} else { \
|
|
do_nonatomic_op_i64(ret, addr, val, idx, memop, NEW, \
|
|
tcg_gen_##OP##_i64); \
|
|
} \
|
|
}
|
|
|
|
GEN_ATOMIC_HELPER(fetch_add, add, 0)
|
|
GEN_ATOMIC_HELPER(fetch_and, and, 0)
|
|
GEN_ATOMIC_HELPER(fetch_or, or, 0)
|
|
GEN_ATOMIC_HELPER(fetch_xor, xor, 0)
|
|
GEN_ATOMIC_HELPER(fetch_smin, smin, 0)
|
|
GEN_ATOMIC_HELPER(fetch_umin, umin, 0)
|
|
GEN_ATOMIC_HELPER(fetch_smax, smax, 0)
|
|
GEN_ATOMIC_HELPER(fetch_umax, umax, 0)
|
|
|
|
GEN_ATOMIC_HELPER(add_fetch, add, 1)
|
|
GEN_ATOMIC_HELPER(and_fetch, and, 1)
|
|
GEN_ATOMIC_HELPER(or_fetch, or, 1)
|
|
GEN_ATOMIC_HELPER(xor_fetch, xor, 1)
|
|
GEN_ATOMIC_HELPER(smin_fetch, smin, 1)
|
|
GEN_ATOMIC_HELPER(umin_fetch, umin, 1)
|
|
GEN_ATOMIC_HELPER(smax_fetch, smax, 1)
|
|
GEN_ATOMIC_HELPER(umax_fetch, umax, 1)
|
|
|
|
static void tcg_gen_mov2_i32(TCGv_i32 r, TCGv_i32 a, TCGv_i32 b)
|
|
{
|
|
tcg_gen_mov_i32(r, b);
|
|
}
|
|
|
|
static void tcg_gen_mov2_i64(TCGv_i64 r, TCGv_i64 a, TCGv_i64 b)
|
|
{
|
|
tcg_gen_mov_i64(r, b);
|
|
}
|
|
|
|
GEN_ATOMIC_HELPER(xchg, mov2, 0)
|
|
|
|
#undef GEN_ATOMIC_HELPER
|