165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich/* 265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * Stack-less Just-In-Time compiler 365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * 465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. 565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * 665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * Redistribution and use in source and binary forms, with or without modification, are 765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * permitted provided that the following conditions are met: 865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * 965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * 1. Redistributions of source code must retain the above copyright notice, this list of 1065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * conditions and the following disclaimer. 1165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * 1265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * 2. Redistributions in binary form must reproduce the above copyright notice, this list 1365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * of conditions and the following disclaimer in the documentation and/or other materials 1465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * provided with the distribution. 1565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * 1665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY 1765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 1965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 2065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 2165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 2265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 2465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich */ 2665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 2765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich/* mips 64-bit arch dependent functions. */ 2865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 2965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevichstatic sljit_si load_immediate(struct sljit_compiler *compiler, sljit_si dst_ar, sljit_sw imm) 3065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich{ 3165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich sljit_si shift = 32; 3265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich sljit_si shift2; 3365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich sljit_si inv = 0; 3465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich sljit_ins ins; 3565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich sljit_uw uimm; 3665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 3765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (!(imm & ~0xffff)) 3865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, ORI | SA(0) | TA(dst_ar) | IMM(imm), dst_ar); 3965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 4065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (imm < 0 && imm >= SIMM_MIN) 4165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, ADDIU | SA(0) | TA(dst_ar) | IMM(imm), dst_ar); 4265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 4365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (imm <= 0x7fffffffl && imm >= -0x80000000l) { 4465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, LUI | TA(dst_ar) | IMM(imm >> 16), dst_ar)); 4565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return (imm & 0xffff) ? push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(imm), dst_ar) : SLJIT_SUCCESS; 4665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 4765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 4865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* Zero extended number. */ 4965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich uimm = imm; 5065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (imm < 0) { 5165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich uimm = ~imm; 5265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich inv = 1; 5365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 5465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 5565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich while (!(uimm & 0xff00000000000000l)) { 5665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich shift -= 8; 5765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich uimm <<= 8; 5865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 5965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 6065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (!(uimm & 0xf000000000000000l)) { 6165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich shift -= 4; 6265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich uimm <<= 4; 6365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 6465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 6565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (!(uimm & 0xc000000000000000l)) { 6665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich shift -= 2; 6765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich uimm <<= 2; 6865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 6965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 7065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if ((sljit_sw)uimm < 0) { 7165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich uimm >>= 1; 7265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich shift += 1; 7365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 7465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT(((uimm & 0xc000000000000000l) == 0x4000000000000000l) && (shift > 0) && (shift <= 32)); 7565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 7665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (inv) 7765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich uimm = ~uimm; 7865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 7965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, LUI | TA(dst_ar) | IMM(uimm >> 48), dst_ar)); 8065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (uimm & 0x0000ffff00000000l) 8165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(uimm >> 32), dst_ar)); 8265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 8365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich imm &= (1l << shift) - 1; 8465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (!(imm & ~0xffff)) { 8565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich ins = (shift == 32) ? DSLL32 : DSLL; 8665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (shift < 32) 8765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich ins |= SH_IMM(shift); 8865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ins | TA(dst_ar) | DA(dst_ar), dst_ar)); 8965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return !(imm & 0xffff) ? SLJIT_SUCCESS : push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(imm), dst_ar); 9065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 9165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 9265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* Double shifts needs to be performed. */ 9365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich uimm <<= 32; 9465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich shift2 = shift - 16; 9565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 9665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich while (!(uimm & 0xf000000000000000l)) { 9765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich shift2 -= 4; 9865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich uimm <<= 4; 9965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 10065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 10165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (!(uimm & 0xc000000000000000l)) { 10265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich shift2 -= 2; 10365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich uimm <<= 2; 10465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 10565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 10665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (!(uimm & 0x8000000000000000l)) { 10765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich shift2--; 10865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich uimm <<= 1; 10965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 11065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 11165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT((uimm & 0x8000000000000000l) && (shift2 > 0) && (shift2 <= 16)); 11265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 11365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, DSLL | TA(dst_ar) | DA(dst_ar) | SH_IMM(shift - shift2), dst_ar)); 11465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(uimm >> 48), dst_ar)); 11565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, DSLL | TA(dst_ar) | DA(dst_ar) | SH_IMM(shift2), dst_ar)); 11665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 11765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich imm &= (1l << shift2) - 1; 11865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return !(imm & 0xffff) ? SLJIT_SUCCESS : push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(imm), dst_ar); 11965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich} 12065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 12165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich#define SELECT_OP(a, b) \ 12265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich (!(op & SLJIT_INT_OP) ? a : b) 12365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 12465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich#define EMIT_LOGICAL(op_imm, op_norm) \ 12565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (flags & SRC2_IMM) { \ 12665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_E) \ 12765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, op_imm | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); \ 12865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (CHECK_FLAGS(SLJIT_SET_E)) \ 12965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, op_imm | S(src1) | T(dst) | IMM(src2), DR(dst))); \ 13065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } \ 13165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich else { \ 13265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_E) \ 13365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); \ 13465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (CHECK_FLAGS(SLJIT_SET_E)) \ 13565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | D(dst), DR(dst))); \ 13665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 13765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 13865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich#define EMIT_SHIFT(op_dimm, op_dimm32, op_imm, op_dv, op_v) \ 13965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (flags & SRC2_IMM) { \ 14065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (src2 >= 32) { \ 14165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT(!(op & SLJIT_INT_OP)); \ 14265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich ins = op_dimm32; \ 14365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich src2 -= 32; \ 14465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } \ 14565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich else \ 14665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich ins = (op & SLJIT_INT_OP) ? op_imm : op_dimm; \ 14765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_E) \ 14865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ins | T(src1) | DA(EQUAL_FLAG) | SH_IMM(src2), EQUAL_FLAG)); \ 14965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (CHECK_FLAGS(SLJIT_SET_E)) \ 15065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ins | T(src1) | D(dst) | SH_IMM(src2), DR(dst))); \ 15165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } \ 15265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich else { \ 15365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich ins = (op & SLJIT_INT_OP) ? op_v : op_dv; \ 15465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_E) \ 15565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ins | S(src2) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); \ 15665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (CHECK_FLAGS(SLJIT_SET_E)) \ 15765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ins | S(src2) | T(src1) | D(dst), DR(dst))); \ 15865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 15965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 16065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevichstatic SLJIT_INLINE sljit_si emit_single_op(struct sljit_compiler *compiler, sljit_si op, sljit_si flags, 16165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich sljit_si dst, sljit_si src1, sljit_sw src2) 16265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich{ 16365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich sljit_ins ins; 16465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 16565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich switch (GET_OPCODE(op)) { 16665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_MOV: 16765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_MOV_P: 16865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); 16965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (dst != src2) 17065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src2) | TA(0) | D(dst), DR(dst)); 17165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 17265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 17365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_MOV_UB: 17465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_MOV_SB: 17565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); 17665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { 17765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op == SLJIT_MOV_SB) { 17865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, DSLL32 | T(src2) | D(dst) | SH_IMM(24), DR(dst))); 17965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, DSRA32 | T(dst) | D(dst) | SH_IMM(24), DR(dst)); 18065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 18165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xff), DR(dst)); 18265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 18365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich else if (dst != src2) 18465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT_STOP(); 18565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 18665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 18765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_MOV_UH: 18865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_MOV_SH: 18965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); 19065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { 19165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op == SLJIT_MOV_SH) { 19265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, DSLL32 | T(src2) | D(dst) | SH_IMM(16), DR(dst))); 19365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, DSRA32 | T(dst) | D(dst) | SH_IMM(16), DR(dst)); 19465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 19565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xffff), DR(dst)); 19665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 19765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich else if (dst != src2) 19865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT_STOP(); 19965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 20065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 20165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_MOV_UI: 20265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT(!(op & SLJIT_INT_OP)); 20365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, DSLL32 | T(src2) | D(dst) | SH_IMM(0), DR(dst))); 20465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, DSRL32 | T(dst) | D(dst) | SH_IMM(0), DR(dst)); 20565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 20665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_MOV_SI: 20765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); 20865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, SLL | T(src2) | D(dst) | SH_IMM(0), DR(dst)); 20965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 21065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_NOT: 21165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); 21265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_E) 21365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); 21465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (CHECK_FLAGS(SLJIT_SET_E)) 21565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | D(dst), DR(dst))); 21665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 21765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 21865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_CLZ: 21965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); 22065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) 22165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_E) 22265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DCLZ, CLZ) | S(src2) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG)); 22365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (CHECK_FLAGS(SLJIT_SET_E)) 22465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DCLZ, CLZ) | S(src2) | T(dst) | D(dst), DR(dst))); 22565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich#else 22665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (SLJIT_UNLIKELY(flags & UNUSED_DEST)) { 22765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DSRL32, SRL) | T(src2) | DA(EQUAL_FLAG) | SH_IMM(31), EQUAL_FLAG)); 22865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, XORI | SA(EQUAL_FLAG) | TA(EQUAL_FLAG) | IMM(1), EQUAL_FLAG); 22965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 23065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* Nearly all instructions are unmovable in the following sequence. */ 23165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src2) | TA(0) | D(TMP_REG1), DR(TMP_REG1))); 23265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* Check zero. */ 23365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, BEQ | S(TMP_REG1) | TA(0) | IMM(5), UNMOVABLE_INS)); 23465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ORI | SA(0) | T(dst) | IMM((op & SLJIT_INT_OP) ? 32 : 64), UNMOVABLE_INS)); 23565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | T(dst) | IMM(-1), DR(dst))); 23665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* Loop for searching the highest bit. */ 23765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(dst) | T(dst) | IMM(1), DR(dst))); 23865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, BGEZ | S(TMP_REG1) | IMM(-2), UNMOVABLE_INS)); 23965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DSLL, SLL) | T(TMP_REG1) | D(TMP_REG1) | SH_IMM(1), UNMOVABLE_INS)); 24065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_E) 24165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(dst) | TA(0) | DA(EQUAL_FLAG), EQUAL_FLAG); 24265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich#endif 24365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 24465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 24565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_ADD: 24665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (flags & SRC2_IMM) { 24765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_O) { 24865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (src2 >= 0) 24965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 25065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich else 25165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 25265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 25365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_E) 25465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); 25565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & (SLJIT_SET_C | SLJIT_SET_O)) { 25665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (src2 >= 0) 25765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG)); 25865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich else { 25965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG)); 26065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, OR | S(src1) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG)); 26165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 26265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 26365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* dst may be the same as src1 or src2. */ 26465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (CHECK_FLAGS(SLJIT_SET_E)) 26565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(src2), DR(dst))); 26665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 26765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich else { 26865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_O) 26965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 27065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_E) 27165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); 27265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & (SLJIT_SET_C | SLJIT_SET_O)) 27365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(ULESS_FLAG), ULESS_FLAG)); 27465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* dst may be the same as src1 or src2. */ 27565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (CHECK_FLAGS(SLJIT_SET_E)) 27665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | D(dst), DR(dst))); 27765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 27865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 27965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* a + b >= a | b (otherwise, the carry should be set to 1). */ 28065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & (SLJIT_SET_C | SLJIT_SET_O)) 28165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG)); 28265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (!(op & SLJIT_SET_O)) 28365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 28465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DSLL32, SLL) | TA(ULESS_FLAG) | D(TMP_REG1) | SH_IMM(31), DR(TMP_REG1))); 28565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, XOR | S(TMP_REG1) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 28665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, XOR | S(dst) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 28765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, SELECT_OP(DSRL32, SLL) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG) | SH_IMM(31), OVERFLOW_FLAG); 28865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 28965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_ADDC: 29065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (flags & SRC2_IMM) { 29165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_C) { 29265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (src2 >= 0) 29365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(OVERFLOW_FLAG) | IMM(src2), OVERFLOW_FLAG)); 29465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich else { 29565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | TA(OVERFLOW_FLAG) | IMM(src2), OVERFLOW_FLAG)); 29665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, OR | S(src1) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 29765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 29865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 29965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(src2), DR(dst))); 30065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } else { 30165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_C) 30265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 30365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* dst may be the same as src1 or src2. */ 30465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | D(dst), DR(dst))); 30565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 30665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_C) 30765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 30865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 30965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(dst) | TA(ULESS_FLAG) | D(dst), DR(dst))); 31065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (!(op & SLJIT_SET_C)) 31165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 31265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 31365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* Set ULESS_FLAG (dst == 0) && (ULESS_FLAG == 1). */ 31465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG)); 31565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* Set carry flag. */ 31665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, OR | SA(ULESS_FLAG) | TA(OVERFLOW_FLAG) | DA(ULESS_FLAG), ULESS_FLAG); 31765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 31865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_SUB: 31965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if ((flags & SRC2_IMM) && ((op & (SLJIT_SET_U | SLJIT_SET_S)) || src2 == SIMM_MIN)) { 32065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(TMP_REG2) | IMM(src2), DR(TMP_REG2))); 32165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich src2 = TMP_REG2; 32265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich flags &= ~SRC2_IMM; 32365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 32465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 32565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (flags & SRC2_IMM) { 32665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_O) { 32765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (src2 >= 0) 32865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 32965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich else 33065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 33165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 33265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_E) 33365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | TA(EQUAL_FLAG) | IMM(-src2), EQUAL_FLAG)); 33465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & (SLJIT_SET_C | SLJIT_SET_O)) 33565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG)); 33665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* dst may be the same as src1 or src2. */ 33765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (CHECK_FLAGS(SLJIT_SET_E)) 33865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(-src2), DR(dst))); 33965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 34065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich else { 34165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_O) 34265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 34365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_E) 34465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); 34565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & (SLJIT_SET_U | SLJIT_SET_C | SLJIT_SET_O)) 34665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(ULESS_FLAG), ULESS_FLAG)); 34765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_U) 34865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SLTU | S(src2) | T(src1) | DA(UGREATER_FLAG), UGREATER_FLAG)); 34965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_S) { 35065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SLT | S(src1) | T(src2) | DA(LESS_FLAG), LESS_FLAG)); 35165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SLT | S(src2) | T(src1) | DA(GREATER_FLAG), GREATER_FLAG)); 35265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 35365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* dst may be the same as src1 or src2. */ 35465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (CHECK_FLAGS(SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C)) 35565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | D(dst), DR(dst))); 35665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 35765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 35865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (!(op & SLJIT_SET_O)) 35965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 36065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DSLL32, SLL) | TA(ULESS_FLAG) | D(TMP_REG1) | SH_IMM(31), DR(TMP_REG1))); 36165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, XOR | S(TMP_REG1) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 36265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, XOR | S(dst) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 36365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, SELECT_OP(DSRL32, SRL) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG) | SH_IMM(31), OVERFLOW_FLAG); 36465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 36565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_SUBC: 36665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if ((flags & SRC2_IMM) && src2 == SIMM_MIN) { 36765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(TMP_REG2) | IMM(src2), DR(TMP_REG2))); 36865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich src2 = TMP_REG2; 36965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich flags &= ~SRC2_IMM; 37065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 37165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 37265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (flags & SRC2_IMM) { 37365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_C) 37465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(OVERFLOW_FLAG) | IMM(src2), OVERFLOW_FLAG)); 37565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* dst may be the same as src1 or src2. */ 37665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(-src2), DR(dst))); 37765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 37865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich else { 37965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_C) 38065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); 38165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich /* dst may be the same as src1 or src2. */ 38265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | D(dst), DR(dst))); 38365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 38465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 38565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_SET_C) 38665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(LESS_FLAG), LESS_FLAG)); 38765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 38865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(dst) | TA(ULESS_FLAG) | D(dst), DR(dst))); 38965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return (op & SLJIT_SET_C) ? push_inst(compiler, OR | SA(OVERFLOW_FLAG) | TA(LESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG) : SLJIT_SUCCESS; 39065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 39165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_MUL: 39265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT(!(flags & SRC2_IMM)); 39365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (!(op & SLJIT_SET_O)) { 39465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) 39565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich if (op & SLJIT_INT_OP) 39665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, MUL | S(src1) | T(src2) | D(dst), DR(dst)); 39765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, DMULT | S(src1) | T(src2), MOVABLE_INS)); 39865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, MFLO | D(dst), DR(dst)); 39965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich#else 40065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DMULT, MULT) | S(src1) | T(src2), MOVABLE_INS)); 40165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, MFLO | D(dst), DR(dst)); 40265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich#endif 40365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 40465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DMULT, MULT) | S(src1) | T(src2), MOVABLE_INS)); 40565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, MFHI | DA(ULESS_FLAG), ULESS_FLAG)); 40665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, MFLO | D(dst), DR(dst))); 40765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, SELECT_OP(DSRA32, SRA) | T(dst) | DA(UGREATER_FLAG) | SH_IMM(31), UGREATER_FLAG)); 40865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, SELECT_OP(DSUBU, SUBU) | SA(ULESS_FLAG) | TA(UGREATER_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG); 40965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 41065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_AND: 41165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich EMIT_LOGICAL(ANDI, AND); 41265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 41365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 41465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_OR: 41565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich EMIT_LOGICAL(ORI, OR); 41665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 41765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 41865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_XOR: 41965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich EMIT_LOGICAL(XORI, XOR); 42065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 42165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 42265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_SHL: 42365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich EMIT_SHIFT(DSLL, DSLL32, SLL, DSLLV, SLLV); 42465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 42565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 42665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_LSHR: 42765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich EMIT_SHIFT(DSRL, DSRL32, SRL, DSRLV, SRLV); 42865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 42965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 43065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich case SLJIT_ASHR: 43165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich EMIT_SHIFT(DSRA, DSRA32, SRA, DSRAV, SRAV); 43265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 43365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich } 43465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 43565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_ASSERT_STOP(); 43665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return SLJIT_SUCCESS; 43765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich} 43865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 43965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevichstatic SLJIT_INLINE sljit_si emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw init_value) 44065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich{ 44165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, LUI | T(dst) | IMM(init_value >> 48), DR(dst))); 44265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value >> 32), DR(dst))); 44365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, DSLL | T(dst) | D(dst) | SH_IMM(16), DR(dst))); 44465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value >> 16), DR(dst))); 44565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich FAIL_IF(push_inst(compiler, DSLL | T(dst) | D(dst) | SH_IMM(16), DR(dst))); 44665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich return push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value), DR(dst)); 44765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich} 44865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 44965de34233da93a3d65c00b8aad3ff9aad44c57deNick KralevichSLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr) 45065de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich{ 45165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich sljit_ins *inst = (sljit_ins*)addr; 45265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 45365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich inst[0] = (inst[0] & 0xffff0000) | ((new_addr >> 48) & 0xffff); 45465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich inst[1] = (inst[1] & 0xffff0000) | ((new_addr >> 32) & 0xffff); 45565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich inst[3] = (inst[3] & 0xffff0000) | ((new_addr >> 16) & 0xffff); 45665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich inst[5] = (inst[5] & 0xffff0000) | (new_addr & 0xffff); 45765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_CACHE_FLUSH(inst, inst + 6); 45865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich} 45965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 46065de34233da93a3d65c00b8aad3ff9aad44c57deNick KralevichSLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant) 46165de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich{ 46265de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich sljit_ins *inst = (sljit_ins*)addr; 46365de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich 46465de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 48) & 0xffff); 46565de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich inst[1] = (inst[1] & 0xffff0000) | ((new_constant >> 32) & 0xffff); 46665de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich inst[3] = (inst[3] & 0xffff0000) | ((new_constant >> 16) & 0xffff); 46765de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich inst[5] = (inst[5] & 0xffff0000) | (new_constant & 0xffff); 46865de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich SLJIT_CACHE_FLUSH(inst, inst + 6); 46965de34233da93a3d65c00b8aad3ff9aad44c57deNick Kralevich} 470