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ph10 |
662 |
/* |
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* Stack-less Just-In-Time compiler |
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* |
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ph10 |
836 |
* Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. |
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ph10 |
662 |
* |
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* Redistribution and use in source and binary forms, with or without modification, are |
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* permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright notice, this list of |
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* conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list |
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* of conditions and the following disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT |
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* SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED |
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name() |
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ph10 |
662 |
{ |
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return "arm-thumb2"; |
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} |
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/* Last register + 1. */ |
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#define TMP_REG1 (SLJIT_NO_REGISTERS + 1) |
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#define TMP_REG2 (SLJIT_NO_REGISTERS + 2) |
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#define TMP_REG3 (SLJIT_NO_REGISTERS + 3) |
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#define TMP_PC (SLJIT_NO_REGISTERS + 4) |
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#define TMP_FREG1 (SLJIT_FLOAT_REG4 + 1) |
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#define TMP_FREG2 (SLJIT_FLOAT_REG4 + 2) |
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/* See sljit_emit_enter if you want to change them. */ |
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static SLJIT_CONST sljit_ub reg_map[SLJIT_NO_REGISTERS + 5] = { |
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0, 0, 1, 2, 12, 5, 6, 7, 8, 10, 11, 13, 3, 4, 14, 15 |
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}; |
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#define COPY_BITS(src, from, to, bits) \ |
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((from >= to ? (src >> (from - to)) : (src << (to - from))) & (((1 << bits) - 1) << to)) |
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/* Thumb16 encodings. */ |
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#define RD3(rd) (reg_map[rd]) |
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#define RN3(rn) (reg_map[rn] << 3) |
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#define RM3(rm) (reg_map[rm] << 6) |
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#define RDN3(rdn) (reg_map[rdn] << 8) |
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#define IMM3(imm) (imm << 6) |
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#define IMM8(imm) (imm) |
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/* Thumb16 helpers. */ |
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#define SET_REGS44(rd, rn) \ |
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((reg_map[rn] << 3) | (reg_map[rd] & 0x7) | ((reg_map[rd] & 0x8) << 4)) |
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#define IS_2_LO_REGS(reg1, reg2) \ |
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(reg_map[reg1] <= 7 && reg_map[reg2] <= 7) |
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#define IS_3_LO_REGS(reg1, reg2, reg3) \ |
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(reg_map[reg1] <= 7 && reg_map[reg2] <= 7 && reg_map[reg3] <= 7) |
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/* Thumb32 encodings. */ |
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#define RD4(rd) (reg_map[rd] << 8) |
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#define RN4(rn) (reg_map[rn] << 16) |
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#define RM4(rm) (reg_map[rm]) |
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#define RT4(rt) (reg_map[rt] << 12) |
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#define DD4(dd) ((dd) << 12) |
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#define DN4(dn) ((dn) << 16) |
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#define DM4(dm) (dm) |
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#define IMM5(imm) \ |
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(COPY_BITS(imm, 2, 12, 3) | ((imm & 0x3) << 6)) |
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#define IMM12(imm) \ |
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(COPY_BITS(imm, 11, 26, 1) | COPY_BITS(imm, 8, 12, 3) | (imm & 0xff)) |
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typedef sljit_ui sljit_ins; |
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/* --------------------------------------------------------------------- */ |
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/* Instrucion forms */ |
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/* --------------------------------------------------------------------- */ |
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/* dot '.' changed to _ |
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I immediate form (possibly followed by number of immediate bits). */ |
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#define ADCI 0xf1400000 |
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#define ADCS 0x4140 |
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#define ADC_W 0xeb400000 |
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#define ADD 0x4400 |
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#define ADDS 0x1800 |
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#define ADDSI3 0x1c00 |
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#define ADDSI8 0x3000 |
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#define ADD_W 0xeb000000 |
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#define ADDWI 0xf2000000 |
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#define ADD_SP 0xb000 |
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#define ADD_W 0xeb000000 |
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#define ADD_WI 0xf1000000 |
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#define ANDI 0xf0000000 |
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#define ANDS 0x4000 |
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#define AND_W 0xea000000 |
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#define ASRS 0x4100 |
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#define ASRSI 0x1000 |
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#define ASR_W 0xfa40f000 |
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#define ASR_WI 0xea4f0020 |
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#define BICI 0xf0200000 |
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#define BKPT 0xbe00 |
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#define BLX 0x4780 |
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#define BX 0x4700 |
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#define CLZ 0xfab0f080 |
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#define CMPI 0x2800 |
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#define CMP_W 0xebb00f00 |
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#define EORI 0xf0800000 |
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#define EORS 0x4040 |
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#define EOR_W 0xea800000 |
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#define IT 0xbf00 |
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#define LSLS 0x4080 |
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#define LSLSI 0x0000 |
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#define LSL_W 0xfa00f000 |
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#define LSL_WI 0xea4f0000 |
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#define LSRS 0x40c0 |
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#define LSRSI 0x0800 |
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#define LSR_W 0xfa20f000 |
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#define LSR_WI 0xea4f0010 |
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#define MOV 0x4600 |
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#define MOVSI 0x2000 |
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#define MOVT 0xf2c00000 |
| 127 |
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#define MOVW 0xf2400000 |
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#define MOV_WI 0xf04f0000 |
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#define MUL 0xfb00f000 |
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#define MVNS 0x43c0 |
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#define MVN_W 0xea6f0000 |
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#define MVN_WI 0xf06f0000 |
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#define NOP 0xbf00 |
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#define ORNI 0xf0600000 |
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#define ORRI 0xf0400000 |
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#define ORRS 0x4300 |
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#define ORR_W 0xea400000 |
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#define POP 0xbd00 |
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#define POP_W 0xe8bd0000 |
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#define PUSH 0xb500 |
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#define PUSH_W 0xe92d0000 |
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#define RSB_WI 0xf1c00000 |
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#define RSBSI 0x4240 |
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#define SBCI 0xf1600000 |
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#define SBCS 0x4180 |
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#define SBC_W 0xeb600000 |
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#define SMULL 0xfb800000 |
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#define STR_SP 0x9000 |
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#define SUBS 0x1a00 |
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#define SUBSI3 0x1e00 |
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#define SUBSI8 0x3800 |
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#define SUB_W 0xeba00000 |
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#define SUBWI 0xf2a00000 |
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#define SUB_SP 0xb080 |
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#define SUB_WI 0xf1a00000 |
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#define SXTB 0xb240 |
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#define SXTB_W 0xfa4ff080 |
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#define SXTH 0xb200 |
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#define SXTH_W 0xfa0ff080 |
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#define TST 0x4200 |
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#define UXTB 0xb2c0 |
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#define UXTB_W 0xfa5ff080 |
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#define UXTH 0xb280 |
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#define UXTH_W 0xfa1ff080 |
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#define VABS_F64 0xeeb00bc0 |
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#define VADD_F64 0xee300b00 |
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#define VCMP_F64 0xeeb40b40 |
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#define VDIV_F64 0xee800b00 |
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#define VMOV_F64 0xeeb00b40 |
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#define VMRS 0xeef1fa10 |
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#define VMUL_F64 0xee200b00 |
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#define VNEG_F64 0xeeb10b40 |
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#define VSTR 0xed000b00 |
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#define VSUB_F64 0xee300b40 |
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static int push_inst16(struct sljit_compiler *compiler, sljit_ins inst) |
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{ |
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sljit_uh *ptr; |
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SLJIT_ASSERT(!(inst & 0xffff0000)); |
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ptr = (sljit_uh*)ensure_buf(compiler, sizeof(sljit_uh)); |
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FAIL_IF(!ptr); |
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*ptr = inst; |
| 184 |
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compiler->size++; |
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return SLJIT_SUCCESS; |
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} |
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static int push_inst32(struct sljit_compiler *compiler, sljit_ins inst) |
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{ |
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sljit_uh *ptr = (sljit_uh*)ensure_buf(compiler, sizeof(sljit_ins)); |
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FAIL_IF(!ptr); |
| 192 |
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*ptr++ = inst >> 16; |
| 193 |
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*ptr = inst; |
| 194 |
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compiler->size += 2; |
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return SLJIT_SUCCESS; |
| 196 |
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} |
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static SLJIT_INLINE int emit_imm32_const(struct sljit_compiler *compiler, int dst, sljit_uw imm) |
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{ |
| 200 |
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FAIL_IF(push_inst32(compiler, MOVW | RD4(dst) | |
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COPY_BITS(imm, 12, 16, 4) | COPY_BITS(imm, 11, 26, 1) | COPY_BITS(imm, 8, 12, 3) | (imm & 0xff))); |
| 202 |
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return push_inst32(compiler, MOVT | RD4(dst) | |
| 203 |
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COPY_BITS(imm, 12 + 16, 16, 4) | COPY_BITS(imm, 11 + 16, 26, 1) | COPY_BITS(imm, 8 + 16, 12, 3) | ((imm & 0xff0000) >> 16)); |
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} |
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static SLJIT_INLINE void modify_imm32_const(sljit_uh* inst, sljit_uw new_imm) |
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{ |
| 208 |
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int dst = inst[1] & 0x0f00; |
| 209 |
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SLJIT_ASSERT(((inst[0] & 0xfbf0) == (MOVW >> 16)) && ((inst[2] & 0xfbf0) == (MOVT >> 16)) && dst == (inst[3] & 0x0f00)); |
| 210 |
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inst[0] = (MOVW >> 16) | COPY_BITS(new_imm, 12, 0, 4) | COPY_BITS(new_imm, 11, 10, 1); |
| 211 |
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inst[1] = dst | COPY_BITS(new_imm, 8, 12, 3) | (new_imm & 0xff); |
| 212 |
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inst[2] = (MOVT >> 16) | COPY_BITS(new_imm, 12 + 16, 0, 4) | COPY_BITS(new_imm, 11 + 16, 10, 1); |
| 213 |
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inst[3] = dst | COPY_BITS(new_imm, 8 + 16, 12, 3) | ((new_imm & 0xff0000) >> 16); |
| 214 |
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} |
| 215 |
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static SLJIT_INLINE int detect_jump_type(struct sljit_jump *jump, sljit_uh *code_ptr, sljit_uh *code) |
| 217 |
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{ |
| 218 |
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sljit_w diff; |
| 219 |
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| 220 |
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if (jump->flags & SLJIT_REWRITABLE_JUMP) |
| 221 |
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return 0; |
| 222 |
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| 223 |
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if (jump->flags & JUMP_ADDR) { |
| 224 |
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/* Branch to ARM code is not optimized yet. */ |
| 225 |
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if (!(jump->u.target & 0x1)) |
| 226 |
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return 0; |
| 227 |
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diff = ((sljit_w)jump->u.target - (sljit_w)(code_ptr + 2)) >> 1; |
| 228 |
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} |
| 229 |
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else { |
| 230 |
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SLJIT_ASSERT(jump->flags & JUMP_LABEL); |
| 231 |
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diff = ((sljit_w)(code + jump->u.label->size) - (sljit_w)(code_ptr + 2)) >> 1; |
| 232 |
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} |
| 233 |
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| 234 |
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if (jump->flags & IS_CONDITIONAL) { |
| 235 |
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SLJIT_ASSERT(!(jump->flags & IS_BL)); |
| 236 |
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if (diff <= 127 && diff >= -128) { |
| 237 |
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jump->flags |= B_TYPE1; |
| 238 |
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return 5; |
| 239 |
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} |
| 240 |
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if (diff <= 524287 && diff >= -524288) { |
| 241 |
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jump->flags |= B_TYPE2; |
| 242 |
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return 4; |
| 243 |
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} |
| 244 |
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/* +1 comes from the prefix IT instruction. */ |
| 245 |
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diff--; |
| 246 |
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if (diff <= 8388607 && diff >= -8388608) { |
| 247 |
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jump->flags |= B_TYPE3; |
| 248 |
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return 3; |
| 249 |
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} |
| 250 |
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} |
| 251 |
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else if (jump->flags & IS_BL) { |
| 252 |
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if (diff <= 8388607 && diff >= -8388608) { |
| 253 |
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jump->flags |= BL_TYPE6; |
| 254 |
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return 3; |
| 255 |
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} |
| 256 |
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} |
| 257 |
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else { |
| 258 |
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if (diff <= 1023 && diff >= -1024) { |
| 259 |
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jump->flags |= B_TYPE4; |
| 260 |
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return 4; |
| 261 |
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} |
| 262 |
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if (diff <= 8388607 && diff >= -8388608) { |
| 263 |
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jump->flags |= B_TYPE5; |
| 264 |
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return 3; |
| 265 |
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} |
| 266 |
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} |
| 267 |
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| 268 |
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return 0; |
| 269 |
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} |
| 270 |
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| 271 |
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static SLJIT_INLINE void inline_set_jump_addr(sljit_uw addr, sljit_uw new_addr, int flush) |
| 272 |
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{ |
| 273 |
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sljit_uh* inst = (sljit_uh*)addr; |
| 274 |
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modify_imm32_const(inst, new_addr); |
| 275 |
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if (flush) { |
| 276 |
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SLJIT_CACHE_FLUSH(inst, inst + 3); |
| 277 |
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} |
| 278 |
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} |
| 279 |
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| 280 |
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static SLJIT_INLINE void set_jump_instruction(struct sljit_jump *jump) |
| 281 |
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{ |
| 282 |
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int type = (jump->flags >> 4) & 0xf; |
| 283 |
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sljit_w diff; |
| 284 |
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sljit_uh *jump_inst; |
| 285 |
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int s, j1, j2; |
| 286 |
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| 287 |
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if (SLJIT_UNLIKELY(type == 0)) { |
| 288 |
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inline_set_jump_addr(jump->addr, (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target, 0); |
| 289 |
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return; |
| 290 |
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} |
| 291 |
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| 292 |
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if (jump->flags & JUMP_ADDR) { |
| 293 |
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SLJIT_ASSERT(jump->u.target & 0x1); |
| 294 |
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diff = ((sljit_w)jump->u.target - (sljit_w)(jump->addr + 4)) >> 1; |
| 295 |
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} |
| 296 |
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else |
| 297 |
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diff = ((sljit_w)(jump->u.label->addr) - (sljit_w)(jump->addr + 4)) >> 1; |
| 298 |
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jump_inst = (sljit_uh*)jump->addr; |
| 299 |
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| 300 |
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switch (type) { |
| 301 |
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case 1: |
| 302 |
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/* Encoding T1 of 'B' instruction */ |
| 303 |
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SLJIT_ASSERT(diff <= 127 && diff >= -128 && (jump->flags & IS_CONDITIONAL)); |
| 304 |
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jump_inst[0] = 0xd000 | (jump->flags & 0xf00) | (diff & 0xff); |
| 305 |
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return; |
| 306 |
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case 2: |
| 307 |
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/* Encoding T3 of 'B' instruction */ |
| 308 |
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SLJIT_ASSERT(diff <= 524287 && diff >= -524288 && (jump->flags & IS_CONDITIONAL)); |
| 309 |
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jump_inst[0] = 0xf000 | COPY_BITS(jump->flags, 8, 6, 4) | COPY_BITS(diff, 11, 0, 6) | COPY_BITS(diff, 19, 10, 1); |
| 310 |
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jump_inst[1] = 0x8000 | COPY_BITS(diff, 17, 13, 1) | COPY_BITS(diff, 18, 11, 1) | (diff & 0x7ff); |
| 311 |
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return; |
| 312 |
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case 3: |
| 313 |
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SLJIT_ASSERT(jump->flags & IS_CONDITIONAL); |
| 314 |
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*jump_inst++ = IT | ((jump->flags >> 4) & 0xf0) | 0x8; |
| 315 |
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diff--; |
| 316 |
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type = 5; |
| 317 |
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break; |
| 318 |
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case 4: |
| 319 |
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/* Encoding T2 of 'B' instruction */ |
| 320 |
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SLJIT_ASSERT(diff <= 1023 && diff >= -1024 && !(jump->flags & IS_CONDITIONAL)); |
| 321 |
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jump_inst[0] = 0xe000 | (diff & 0x7ff); |
| 322 |
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return; |
| 323 |
|
|
} |
| 324 |
|
|
|
| 325 |
|
|
SLJIT_ASSERT(diff <= 8388607 && diff >= -8388608); |
| 326 |
|
|
|
| 327 |
|
|
/* Really complex instruction form for branches. */ |
| 328 |
|
|
s = (diff >> 23) & 0x1; |
| 329 |
|
|
j1 = (~(diff >> 21) ^ s) & 0x1; |
| 330 |
|
|
j2 = (~(diff >> 22) ^ s) & 0x1; |
| 331 |
|
|
jump_inst[0] = 0xf000 | (s << 10) | COPY_BITS(diff, 11, 0, 10); |
| 332 |
|
|
jump_inst[1] = (j1 << 13) | (j2 << 11) | (diff & 0x7ff); |
| 333 |
|
|
|
| 334 |
|
|
/* The others have a common form. */ |
| 335 |
|
|
if (type == 5) /* Encoding T4 of 'B' instruction */ |
| 336 |
|
|
jump_inst[1] |= 0x9000; |
| 337 |
|
|
else if (type == 6) /* Encoding T1 of 'BL' instruction */ |
| 338 |
|
|
jump_inst[1] |= 0xd000; |
| 339 |
|
|
else |
| 340 |
|
|
SLJIT_ASSERT_STOP(); |
| 341 |
|
|
} |
| 342 |
|
|
|
| 343 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler) |
| 344 |
ph10 |
662 |
{ |
| 345 |
|
|
struct sljit_memory_fragment *buf; |
| 346 |
|
|
sljit_uh *code; |
| 347 |
|
|
sljit_uh *code_ptr; |
| 348 |
|
|
sljit_uh *buf_ptr; |
| 349 |
|
|
sljit_uh *buf_end; |
| 350 |
|
|
sljit_uw half_count; |
| 351 |
|
|
|
| 352 |
|
|
struct sljit_label *label; |
| 353 |
|
|
struct sljit_jump *jump; |
| 354 |
|
|
struct sljit_const *const_; |
| 355 |
|
|
|
| 356 |
|
|
CHECK_ERROR_PTR(); |
| 357 |
|
|
check_sljit_generate_code(compiler); |
| 358 |
|
|
reverse_buf(compiler); |
| 359 |
|
|
|
| 360 |
|
|
code = (sljit_uh*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_uh)); |
| 361 |
|
|
PTR_FAIL_WITH_EXEC_IF(code); |
| 362 |
|
|
buf = compiler->buf; |
| 363 |
|
|
|
| 364 |
|
|
code_ptr = code; |
| 365 |
|
|
half_count = 0; |
| 366 |
|
|
label = compiler->labels; |
| 367 |
|
|
jump = compiler->jumps; |
| 368 |
|
|
const_ = compiler->consts; |
| 369 |
|
|
|
| 370 |
|
|
do { |
| 371 |
|
|
buf_ptr = (sljit_uh*)buf->memory; |
| 372 |
|
|
buf_end = buf_ptr + (buf->used_size >> 1); |
| 373 |
|
|
do { |
| 374 |
|
|
*code_ptr = *buf_ptr++; |
| 375 |
|
|
/* These structures are ordered by their address. */ |
| 376 |
|
|
SLJIT_ASSERT(!label || label->size >= half_count); |
| 377 |
|
|
SLJIT_ASSERT(!jump || jump->addr >= half_count); |
| 378 |
|
|
SLJIT_ASSERT(!const_ || const_->addr >= half_count); |
| 379 |
|
|
if (label && label->size == half_count) { |
| 380 |
|
|
label->addr = ((sljit_uw)code_ptr) | 0x1; |
| 381 |
|
|
label->size = code_ptr - code; |
| 382 |
|
|
label = label->next; |
| 383 |
|
|
} |
| 384 |
|
|
if (jump && jump->addr == half_count) { |
| 385 |
|
|
jump->addr = (sljit_uw)code_ptr - ((jump->flags & IS_CONDITIONAL) ? 10 : 8); |
| 386 |
|
|
code_ptr -= detect_jump_type(jump, code_ptr, code); |
| 387 |
|
|
jump = jump->next; |
| 388 |
|
|
} |
| 389 |
|
|
if (const_ && const_->addr == half_count) { |
| 390 |
|
|
const_->addr = (sljit_uw)code_ptr; |
| 391 |
|
|
const_ = const_->next; |
| 392 |
|
|
} |
| 393 |
|
|
code_ptr ++; |
| 394 |
|
|
half_count ++; |
| 395 |
|
|
} while (buf_ptr < buf_end); |
| 396 |
|
|
|
| 397 |
|
|
buf = buf->next; |
| 398 |
|
|
} while (buf); |
| 399 |
|
|
|
| 400 |
|
|
if (label && label->size == half_count) { |
| 401 |
|
|
label->addr = ((sljit_uw)code_ptr) | 0x1; |
| 402 |
|
|
label->size = code_ptr - code; |
| 403 |
|
|
label = label->next; |
| 404 |
|
|
} |
| 405 |
|
|
|
| 406 |
|
|
SLJIT_ASSERT(!label); |
| 407 |
|
|
SLJIT_ASSERT(!jump); |
| 408 |
|
|
SLJIT_ASSERT(!const_); |
| 409 |
|
|
SLJIT_ASSERT(code_ptr - code <= (int)compiler->size); |
| 410 |
|
|
|
| 411 |
|
|
jump = compiler->jumps; |
| 412 |
|
|
while (jump) { |
| 413 |
|
|
set_jump_instruction(jump); |
| 414 |
|
|
jump = jump->next; |
| 415 |
|
|
} |
| 416 |
|
|
|
| 417 |
|
|
SLJIT_CACHE_FLUSH(code, code_ptr); |
| 418 |
|
|
compiler->error = SLJIT_ERR_COMPILED; |
| 419 |
ph10 |
836 |
compiler->executable_size = compiler->size * sizeof(sljit_uh); |
| 420 |
ph10 |
662 |
/* Set thumb mode flag. */ |
| 421 |
|
|
return (void*)((sljit_uw)code | 0x1); |
| 422 |
|
|
} |
| 423 |
|
|
|
| 424 |
|
|
#define INVALID_IMM 0x80000000 |
| 425 |
|
|
static sljit_uw get_imm(sljit_uw imm) |
| 426 |
|
|
{ |
| 427 |
|
|
/* Thumb immediate form. */ |
| 428 |
|
|
int counter; |
| 429 |
|
|
|
| 430 |
|
|
if (imm <= 0xff) |
| 431 |
|
|
return imm; |
| 432 |
|
|
|
| 433 |
|
|
if ((imm & 0xffff) == (imm >> 16)) { |
| 434 |
|
|
/* Some special cases. */ |
| 435 |
|
|
if (!(imm & 0xff00)) |
| 436 |
|
|
return (1 << 12) | (imm & 0xff); |
| 437 |
|
|
if (!(imm & 0xff)) |
| 438 |
|
|
return (2 << 12) | ((imm >> 8) & 0xff); |
| 439 |
|
|
if ((imm & 0xff00) == ((imm & 0xff) << 8)) |
| 440 |
|
|
return (3 << 12) | (imm & 0xff); |
| 441 |
|
|
} |
| 442 |
|
|
|
| 443 |
|
|
/* Assembly optimization: count leading zeroes? */ |
| 444 |
|
|
counter = 8; |
| 445 |
|
|
if (!(imm & 0xffff0000)) { |
| 446 |
|
|
counter += 16; |
| 447 |
|
|
imm <<= 16; |
| 448 |
|
|
} |
| 449 |
|
|
if (!(imm & 0xff000000)) { |
| 450 |
|
|
counter += 8; |
| 451 |
|
|
imm <<= 8; |
| 452 |
|
|
} |
| 453 |
|
|
if (!(imm & 0xf0000000)) { |
| 454 |
|
|
counter += 4; |
| 455 |
|
|
imm <<= 4; |
| 456 |
|
|
} |
| 457 |
|
|
if (!(imm & 0xc0000000)) { |
| 458 |
|
|
counter += 2; |
| 459 |
|
|
imm <<= 2; |
| 460 |
|
|
} |
| 461 |
|
|
if (!(imm & 0x80000000)) { |
| 462 |
|
|
counter += 1; |
| 463 |
|
|
imm <<= 1; |
| 464 |
|
|
} |
| 465 |
|
|
/* Since imm >= 128, this must be true. */ |
| 466 |
|
|
SLJIT_ASSERT(counter <= 31); |
| 467 |
|
|
|
| 468 |
|
|
if (imm & 0x00ffffff) |
| 469 |
|
|
return INVALID_IMM; /* Cannot be encoded. */ |
| 470 |
|
|
|
| 471 |
|
|
return ((imm >> 24) & 0x7f) | COPY_BITS(counter, 4, 26, 1) | COPY_BITS(counter, 1, 12, 3) | COPY_BITS(counter, 0, 7, 1); |
| 472 |
|
|
} |
| 473 |
|
|
|
| 474 |
|
|
static int load_immediate(struct sljit_compiler *compiler, int dst, sljit_uw imm) |
| 475 |
|
|
{ |
| 476 |
|
|
sljit_uw tmp; |
| 477 |
|
|
|
| 478 |
|
|
if (imm >= 0x10000) { |
| 479 |
|
|
tmp = get_imm(imm); |
| 480 |
|
|
if (tmp != INVALID_IMM) |
| 481 |
|
|
return push_inst32(compiler, MOV_WI | RD4(dst) | tmp); |
| 482 |
|
|
tmp = get_imm(~imm); |
| 483 |
|
|
if (tmp != INVALID_IMM) |
| 484 |
|
|
return push_inst32(compiler, MVN_WI | RD4(dst) | tmp); |
| 485 |
|
|
} |
| 486 |
|
|
|
| 487 |
|
|
/* set low 16 bits, set hi 16 bits to 0. */ |
| 488 |
|
|
FAIL_IF(push_inst32(compiler, MOVW | RD4(dst) | |
| 489 |
|
|
COPY_BITS(imm, 12, 16, 4) | COPY_BITS(imm, 11, 26, 1) | COPY_BITS(imm, 8, 12, 3) | (imm & 0xff))); |
| 490 |
|
|
|
| 491 |
|
|
/* set hi 16 bit if needed. */ |
| 492 |
|
|
if (imm >= 0x10000) |
| 493 |
|
|
return push_inst32(compiler, MOVT | RD4(dst) | |
| 494 |
|
|
COPY_BITS(imm, 12 + 16, 16, 4) | COPY_BITS(imm, 11 + 16, 26, 1) | COPY_BITS(imm, 8 + 16, 12, 3) | ((imm & 0xff0000) >> 16)); |
| 495 |
|
|
return SLJIT_SUCCESS; |
| 496 |
|
|
} |
| 497 |
|
|
|
| 498 |
|
|
#define ARG1_IMM 0x0010000 |
| 499 |
|
|
#define ARG2_IMM 0x0020000 |
| 500 |
|
|
#define KEEP_FLAGS 0x0040000 |
| 501 |
|
|
#define SET_MULOV 0x0080000 |
| 502 |
|
|
/* SET_FLAGS must be 0x100000 as it is also the value of S bit (can be used for optimization). */ |
| 503 |
|
|
#define SET_FLAGS 0x0100000 |
| 504 |
|
|
#define UNUSED_RETURN 0x0200000 |
| 505 |
|
|
#define SLOW_DEST 0x0400000 |
| 506 |
|
|
#define SLOW_SRC1 0x0800000 |
| 507 |
|
|
#define SLOW_SRC2 0x1000000 |
| 508 |
|
|
|
| 509 |
|
|
static int emit_op_imm(struct sljit_compiler *compiler, int flags, int dst, sljit_uw arg1, sljit_uw arg2) |
| 510 |
|
|
{ |
| 511 |
|
|
/* dst must be register, TMP_REG1 |
| 512 |
|
|
arg1 must be register, TMP_REG1, imm |
| 513 |
|
|
arg2 must be register, TMP_REG2, imm */ |
| 514 |
|
|
int reg; |
| 515 |
|
|
sljit_uw imm; |
| 516 |
|
|
|
| 517 |
|
|
if (SLJIT_UNLIKELY((flags & (ARG1_IMM | ARG2_IMM)) == (ARG1_IMM | ARG2_IMM))) { |
| 518 |
|
|
/* Both are immediates. */ |
| 519 |
|
|
flags &= ~ARG1_IMM; |
| 520 |
|
|
FAIL_IF(load_immediate(compiler, TMP_REG1, arg1)); |
| 521 |
|
|
arg1 = TMP_REG1; |
| 522 |
|
|
} |
| 523 |
|
|
|
| 524 |
|
|
if (flags & (ARG1_IMM | ARG2_IMM)) { |
| 525 |
|
|
reg = (flags & ARG2_IMM) ? arg1 : arg2; |
| 526 |
|
|
imm = (flags & ARG2_IMM) ? arg2 : arg1; |
| 527 |
|
|
|
| 528 |
|
|
switch (flags & 0xffff) { |
| 529 |
|
|
case SLJIT_MOV: |
| 530 |
|
|
SLJIT_ASSERT(!(flags & SET_FLAGS) && (flags & ARG2_IMM) && arg1 == TMP_REG1); |
| 531 |
|
|
return load_immediate(compiler, dst, imm); |
| 532 |
|
|
case SLJIT_NOT: |
| 533 |
|
|
if (!(flags & SET_FLAGS)) |
| 534 |
|
|
return load_immediate(compiler, dst, ~imm); |
| 535 |
|
|
/* Since the flags should be set, we just fallback to the register mode. |
| 536 |
|
|
Although I could do some clever things here, "NOT IMM" does not worth the efforts. */ |
| 537 |
|
|
break; |
| 538 |
|
|
case SLJIT_CLZ: |
| 539 |
|
|
/* No form with immediate operand. */ |
| 540 |
|
|
break; |
| 541 |
|
|
case SLJIT_ADD: |
| 542 |
|
|
if (!(flags & KEEP_FLAGS) && IS_2_LO_REGS(reg, dst)) { |
| 543 |
|
|
if (imm <= 0x7) |
| 544 |
|
|
return push_inst16(compiler, ADDSI3 | IMM3(imm) | RD3(dst) | RN3(reg)); |
| 545 |
|
|
if (reg == dst && imm <= 0xff) |
| 546 |
|
|
return push_inst16(compiler, ADDSI8 | IMM8(imm) | RDN3(dst)); |
| 547 |
|
|
} |
| 548 |
|
|
if (imm <= 0xfff && !(flags & SET_FLAGS)) |
| 549 |
|
|
return push_inst32(compiler, ADDWI | RD4(dst) | RN4(reg) | IMM12(imm)); |
| 550 |
|
|
imm = get_imm(imm); |
| 551 |
|
|
if (imm != INVALID_IMM) |
| 552 |
|
|
return push_inst32(compiler, ADD_WI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm); |
| 553 |
|
|
break; |
| 554 |
|
|
case SLJIT_ADDC: |
| 555 |
|
|
imm = get_imm(imm); |
| 556 |
|
|
if (imm != INVALID_IMM) |
| 557 |
|
|
return push_inst32(compiler, ADCI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm); |
| 558 |
|
|
break; |
| 559 |
|
|
case SLJIT_SUB: |
| 560 |
|
|
if (flags & ARG2_IMM) { |
| 561 |
|
|
if (!(flags & KEEP_FLAGS) && IS_2_LO_REGS(reg, dst)) { |
| 562 |
|
|
if (imm <= 0x7) |
| 563 |
|
|
return push_inst16(compiler, SUBSI3 | IMM3(imm) | RD3(dst) | RN3(reg)); |
| 564 |
|
|
if (imm <= 0xff) { |
| 565 |
|
|
if (reg == dst) |
| 566 |
|
|
return push_inst16(compiler, SUBSI8 | IMM8(imm) | RDN3(dst)); |
| 567 |
|
|
if (flags & UNUSED_RETURN) |
| 568 |
|
|
return push_inst16(compiler, CMPI | IMM8(imm) | RDN3(reg)); |
| 569 |
|
|
} |
| 570 |
|
|
} |
| 571 |
|
|
if (imm <= 0xfff && !(flags & SET_FLAGS)) |
| 572 |
|
|
return push_inst32(compiler, SUBWI | RD4(dst) | RN4(reg) | IMM12(imm)); |
| 573 |
|
|
imm = get_imm(imm); |
| 574 |
|
|
if (imm != INVALID_IMM) |
| 575 |
|
|
return push_inst32(compiler, SUB_WI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm); |
| 576 |
|
|
} |
| 577 |
|
|
else { |
| 578 |
|
|
if (!(flags & KEEP_FLAGS) && imm == 0 && IS_2_LO_REGS(reg, dst)) |
| 579 |
|
|
return push_inst16(compiler, RSBSI | RD3(dst) | RN3(reg)); |
| 580 |
|
|
imm = get_imm(imm); |
| 581 |
|
|
if (imm != INVALID_IMM) |
| 582 |
|
|
return push_inst32(compiler, RSB_WI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm); |
| 583 |
|
|
} |
| 584 |
|
|
break; |
| 585 |
|
|
case SLJIT_SUBC: |
| 586 |
|
|
if (flags & ARG2_IMM) { |
| 587 |
|
|
imm = get_imm(imm); |
| 588 |
|
|
if (imm != INVALID_IMM) |
| 589 |
|
|
return push_inst32(compiler, SBCI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm); |
| 590 |
|
|
} |
| 591 |
|
|
break; |
| 592 |
|
|
case SLJIT_MUL: |
| 593 |
|
|
/* No form with immediate operand. */ |
| 594 |
|
|
break; |
| 595 |
|
|
case SLJIT_AND: |
| 596 |
|
|
imm = get_imm(imm); |
| 597 |
|
|
if (imm != INVALID_IMM) |
| 598 |
|
|
return push_inst32(compiler, ANDI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm); |
| 599 |
|
|
imm = get_imm(~((flags & ARG2_IMM) ? arg2 : arg1)); |
| 600 |
|
|
if (imm != INVALID_IMM) |
| 601 |
|
|
return push_inst32(compiler, BICI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm); |
| 602 |
|
|
break; |
| 603 |
|
|
case SLJIT_OR: |
| 604 |
|
|
imm = get_imm(imm); |
| 605 |
|
|
if (imm != INVALID_IMM) |
| 606 |
|
|
return push_inst32(compiler, ORRI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm); |
| 607 |
|
|
imm = get_imm(~((flags & ARG2_IMM) ? arg2 : arg1)); |
| 608 |
|
|
if (imm != INVALID_IMM) |
| 609 |
|
|
return push_inst32(compiler, ORNI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm); |
| 610 |
|
|
break; |
| 611 |
|
|
case SLJIT_XOR: |
| 612 |
|
|
imm = get_imm(imm); |
| 613 |
|
|
if (imm != INVALID_IMM) |
| 614 |
|
|
return push_inst32(compiler, EORI | (flags & SET_FLAGS) | RD4(dst) | RN4(reg) | imm); |
| 615 |
|
|
break; |
| 616 |
|
|
case SLJIT_SHL: |
| 617 |
|
|
if (flags & ARG2_IMM) { |
| 618 |
|
|
imm &= 0x1f; |
| 619 |
|
|
if (!(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, reg)) |
| 620 |
|
|
return push_inst16(compiler, LSLSI | RD3(dst) | RN3(reg) | (imm << 6)); |
| 621 |
|
|
return push_inst32(compiler, LSL_WI | (flags & SET_FLAGS) | RD4(dst) | RM4(reg) | IMM5(imm)); |
| 622 |
|
|
} |
| 623 |
|
|
break; |
| 624 |
|
|
case SLJIT_LSHR: |
| 625 |
|
|
if (flags & ARG2_IMM) { |
| 626 |
|
|
imm &= 0x1f; |
| 627 |
|
|
if (!(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, reg)) |
| 628 |
|
|
return push_inst16(compiler, LSRSI | RD3(dst) | RN3(reg) | (imm << 6)); |
| 629 |
|
|
return push_inst32(compiler, LSR_WI | (flags & SET_FLAGS) | RD4(dst) | RM4(reg) | IMM5(imm)); |
| 630 |
|
|
} |
| 631 |
|
|
break; |
| 632 |
|
|
case SLJIT_ASHR: |
| 633 |
|
|
if (flags & ARG2_IMM) { |
| 634 |
|
|
imm &= 0x1f; |
| 635 |
|
|
if (!(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, reg)) |
| 636 |
|
|
return push_inst16(compiler, ASRSI | RD3(dst) | RN3(reg) | (imm << 6)); |
| 637 |
|
|
return push_inst32(compiler, ASR_WI | (flags & SET_FLAGS) | RD4(dst) | RM4(reg) | IMM5(imm)); |
| 638 |
|
|
} |
| 639 |
|
|
break; |
| 640 |
|
|
default: |
| 641 |
|
|
SLJIT_ASSERT_STOP(); |
| 642 |
|
|
break; |
| 643 |
|
|
} |
| 644 |
|
|
|
| 645 |
|
|
if (flags & ARG2_IMM) { |
| 646 |
|
|
FAIL_IF(load_immediate(compiler, TMP_REG2, arg2)); |
| 647 |
|
|
arg2 = TMP_REG2; |
| 648 |
|
|
} |
| 649 |
|
|
else { |
| 650 |
|
|
FAIL_IF(load_immediate(compiler, TMP_REG1, arg1)); |
| 651 |
|
|
arg1 = TMP_REG1; |
| 652 |
|
|
} |
| 653 |
|
|
} |
| 654 |
|
|
|
| 655 |
|
|
/* Both arguments are registers. */ |
| 656 |
|
|
switch (flags & 0xffff) { |
| 657 |
|
|
case SLJIT_MOV: |
| 658 |
|
|
case SLJIT_MOV_UI: |
| 659 |
|
|
case SLJIT_MOV_SI: |
| 660 |
|
|
case SLJIT_MOVU: |
| 661 |
|
|
case SLJIT_MOVU_UI: |
| 662 |
|
|
case SLJIT_MOVU_SI: |
| 663 |
|
|
SLJIT_ASSERT(!(flags & SET_FLAGS) && arg1 == TMP_REG1); |
| 664 |
|
|
return push_inst16(compiler, MOV | SET_REGS44(dst, arg2)); |
| 665 |
|
|
case SLJIT_MOV_UB: |
| 666 |
|
|
case SLJIT_MOVU_UB: |
| 667 |
|
|
SLJIT_ASSERT(!(flags & SET_FLAGS) && arg1 == TMP_REG1); |
| 668 |
|
|
if (IS_2_LO_REGS(dst, arg2)) |
| 669 |
|
|
return push_inst16(compiler, UXTB | RD3(dst) | RN3(arg2)); |
| 670 |
|
|
return push_inst32(compiler, UXTB_W | RD4(dst) | RM4(arg2)); |
| 671 |
|
|
case SLJIT_MOV_SB: |
| 672 |
|
|
case SLJIT_MOVU_SB: |
| 673 |
|
|
SLJIT_ASSERT(!(flags & SET_FLAGS) && arg1 == TMP_REG1); |
| 674 |
|
|
if (IS_2_LO_REGS(dst, arg2)) |
| 675 |
|
|
return push_inst16(compiler, SXTB | RD3(dst) | RN3(arg2)); |
| 676 |
|
|
return push_inst32(compiler, SXTB_W | RD4(dst) | RM4(arg2)); |
| 677 |
|
|
case SLJIT_MOV_UH: |
| 678 |
|
|
case SLJIT_MOVU_UH: |
| 679 |
|
|
SLJIT_ASSERT(!(flags & SET_FLAGS) && arg1 == TMP_REG1); |
| 680 |
|
|
if (IS_2_LO_REGS(dst, arg2)) |
| 681 |
|
|
return push_inst16(compiler, UXTH | RD3(dst) | RN3(arg2)); |
| 682 |
|
|
return push_inst32(compiler, UXTH_W | RD4(dst) | RM4(arg2)); |
| 683 |
|
|
case SLJIT_MOV_SH: |
| 684 |
|
|
case SLJIT_MOVU_SH: |
| 685 |
|
|
SLJIT_ASSERT(!(flags & SET_FLAGS) && arg1 == TMP_REG1); |
| 686 |
|
|
if (IS_2_LO_REGS(dst, arg2)) |
| 687 |
|
|
return push_inst16(compiler, SXTH | RD3(dst) | RN3(arg2)); |
| 688 |
|
|
return push_inst32(compiler, SXTH_W | RD4(dst) | RM4(arg2)); |
| 689 |
|
|
case SLJIT_NOT: |
| 690 |
|
|
SLJIT_ASSERT(arg1 == TMP_REG1); |
| 691 |
|
|
if (!(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2)) |
| 692 |
|
|
return push_inst16(compiler, MVNS | RD3(dst) | RN3(arg2)); |
| 693 |
|
|
return push_inst32(compiler, MVN_W | (flags & SET_FLAGS) | RD4(dst) | RM4(arg2)); |
| 694 |
|
|
case SLJIT_CLZ: |
| 695 |
|
|
SLJIT_ASSERT(arg1 == TMP_REG1); |
| 696 |
|
|
FAIL_IF(push_inst32(compiler, CLZ | RN4(arg2) | RD4(dst) | RM4(arg2))); |
| 697 |
|
|
if (flags & SET_FLAGS) { |
| 698 |
|
|
if (reg_map[dst] <= 7) |
| 699 |
|
|
return push_inst16(compiler, CMPI | RDN3(dst)); |
| 700 |
|
|
return push_inst32(compiler, ADD_WI | SET_FLAGS | RN4(dst) | RD4(dst)); |
| 701 |
|
|
} |
| 702 |
|
|
return SLJIT_SUCCESS; |
| 703 |
|
|
case SLJIT_ADD: |
| 704 |
|
|
if (!(flags & KEEP_FLAGS) && IS_3_LO_REGS(dst, arg1, arg2)) |
| 705 |
|
|
return push_inst16(compiler, ADDS | RD3(dst) | RN3(arg1) | RM3(arg2)); |
| 706 |
|
|
if (dst == arg1 && !(flags & SET_FLAGS)) |
| 707 |
|
|
return push_inst16(compiler, ADD | SET_REGS44(dst, arg2)); |
| 708 |
|
|
return push_inst32(compiler, ADD_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2)); |
| 709 |
|
|
case SLJIT_ADDC: |
| 710 |
|
|
if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2)) |
| 711 |
|
|
return push_inst16(compiler, ADCS | RD3(dst) | RN3(arg2)); |
| 712 |
|
|
return push_inst32(compiler, ADC_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2)); |
| 713 |
|
|
case SLJIT_SUB: |
| 714 |
|
|
if (!(flags & KEEP_FLAGS) && IS_3_LO_REGS(dst, arg1, arg2)) |
| 715 |
|
|
return push_inst16(compiler, SUBS | RD3(dst) | RN3(arg1) | RM3(arg2)); |
| 716 |
|
|
return push_inst32(compiler, SUB_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2)); |
| 717 |
|
|
case SLJIT_SUBC: |
| 718 |
|
|
if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2)) |
| 719 |
|
|
return push_inst16(compiler, SBCS | RD3(dst) | RN3(arg2)); |
| 720 |
|
|
return push_inst32(compiler, SBC_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2)); |
| 721 |
|
|
case SLJIT_MUL: |
| 722 |
|
|
if (!(flags & SET_FLAGS)) |
| 723 |
|
|
return push_inst32(compiler, MUL | RD4(dst) | RN4(arg1) | RM4(arg2)); |
| 724 |
|
|
SLJIT_ASSERT(reg_map[TMP_REG2] <= 7 && dst != TMP_REG2); |
| 725 |
|
|
FAIL_IF(push_inst32(compiler, SMULL | RT4(dst) | RD4(TMP_REG2) | RN4(arg1) | RM4(arg2))); |
| 726 |
|
|
/* cmp TMP_REG2, dst asr #31. */ |
| 727 |
|
|
return push_inst32(compiler, CMP_W | RN4(TMP_REG2) | 0x70e0 | RM4(dst)); |
| 728 |
|
|
case SLJIT_AND: |
| 729 |
|
|
if (!(flags & KEEP_FLAGS)) { |
| 730 |
|
|
if (dst == arg1 && IS_2_LO_REGS(dst, arg2)) |
| 731 |
|
|
return push_inst16(compiler, ANDS | RD3(dst) | RN3(arg2)); |
| 732 |
|
|
if ((flags & UNUSED_RETURN) && IS_2_LO_REGS(arg1, arg2)) |
| 733 |
|
|
return push_inst16(compiler, TST | RD3(arg1) | RN3(arg2)); |
| 734 |
|
|
} |
| 735 |
|
|
return push_inst32(compiler, AND_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2)); |
| 736 |
|
|
case SLJIT_OR: |
| 737 |
|
|
if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2)) |
| 738 |
|
|
return push_inst16(compiler, ORRS | RD3(dst) | RN3(arg2)); |
| 739 |
|
|
return push_inst32(compiler, ORR_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2)); |
| 740 |
|
|
case SLJIT_XOR: |
| 741 |
|
|
if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2)) |
| 742 |
|
|
return push_inst16(compiler, EORS | RD3(dst) | RN3(arg2)); |
| 743 |
|
|
return push_inst32(compiler, EOR_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2)); |
| 744 |
|
|
case SLJIT_SHL: |
| 745 |
|
|
if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2)) |
| 746 |
|
|
return push_inst16(compiler, LSLS | RD3(dst) | RN3(arg2)); |
| 747 |
|
|
return push_inst32(compiler, LSL_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2)); |
| 748 |
|
|
case SLJIT_LSHR: |
| 749 |
|
|
if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2)) |
| 750 |
|
|
return push_inst16(compiler, LSRS | RD3(dst) | RN3(arg2)); |
| 751 |
|
|
return push_inst32(compiler, LSR_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2)); |
| 752 |
|
|
case SLJIT_ASHR: |
| 753 |
|
|
if (dst == arg1 && !(flags & KEEP_FLAGS) && IS_2_LO_REGS(dst, arg2)) |
| 754 |
|
|
return push_inst16(compiler, ASRS | RD3(dst) | RN3(arg2)); |
| 755 |
|
|
return push_inst32(compiler, ASR_W | (flags & SET_FLAGS) | RD4(dst) | RN4(arg1) | RM4(arg2)); |
| 756 |
|
|
} |
| 757 |
|
|
|
| 758 |
|
|
SLJIT_ASSERT_STOP(); |
| 759 |
|
|
return SLJIT_SUCCESS; |
| 760 |
|
|
} |
| 761 |
|
|
|
| 762 |
|
|
#define STORE 0x01 |
| 763 |
|
|
#define SIGNED 0x02 |
| 764 |
|
|
|
| 765 |
|
|
#define WORD_SIZE 0x00 |
| 766 |
|
|
#define BYTE_SIZE 0x04 |
| 767 |
|
|
#define HALF_SIZE 0x08 |
| 768 |
|
|
|
| 769 |
|
|
#define UPDATE 0x10 |
| 770 |
|
|
#define ARG_TEST 0x20 |
| 771 |
|
|
|
| 772 |
|
|
#define IS_WORD_SIZE(flags) (!(flags & (BYTE_SIZE | HALF_SIZE))) |
| 773 |
|
|
#define OFFSET_CHECK(imm, shift) (!(argw & ~(imm << shift))) |
| 774 |
|
|
|
| 775 |
|
|
/* |
| 776 |
|
|
1st letter: |
| 777 |
|
|
w = word |
| 778 |
|
|
b = byte |
| 779 |
|
|
h = half |
| 780 |
|
|
|
| 781 |
|
|
2nd letter: |
| 782 |
|
|
s = signed |
| 783 |
|
|
u = unsigned |
| 784 |
|
|
|
| 785 |
|
|
3rd letter: |
| 786 |
|
|
l = load |
| 787 |
|
|
s = store |
| 788 |
|
|
*/ |
| 789 |
|
|
|
| 790 |
|
|
static SLJIT_CONST sljit_uw sljit_mem16[12] = { |
| 791 |
|
|
/* w u l */ 0x5800 /* ldr */, |
| 792 |
|
|
/* w u s */ 0x5000 /* str */, |
| 793 |
|
|
/* w s l */ 0x5800 /* ldr */, |
| 794 |
|
|
/* w s s */ 0x5000 /* str */, |
| 795 |
|
|
|
| 796 |
|
|
/* b u l */ 0x5c00 /* ldrb */, |
| 797 |
|
|
/* b u s */ 0x5400 /* strb */, |
| 798 |
|
|
/* b s l */ 0x5600 /* ldrsb */, |
| 799 |
|
|
/* b s s */ 0x5400 /* strb */, |
| 800 |
|
|
|
| 801 |
|
|
/* h u l */ 0x5a00 /* ldrh */, |
| 802 |
|
|
/* h u s */ 0x5200 /* strh */, |
| 803 |
|
|
/* h s l */ 0x5e00 /* ldrsh */, |
| 804 |
|
|
/* h s s */ 0x5200 /* strh */, |
| 805 |
|
|
}; |
| 806 |
|
|
|
| 807 |
|
|
static SLJIT_CONST sljit_uw sljit_mem16_imm5[12] = { |
| 808 |
|
|
/* w u l */ 0x6800 /* ldr imm5 */, |
| 809 |
|
|
/* w u s */ 0x6000 /* str imm5 */, |
| 810 |
|
|
/* w s l */ 0x6800 /* ldr imm5 */, |
| 811 |
|
|
/* w s s */ 0x6000 /* str imm5 */, |
| 812 |
|
|
|
| 813 |
|
|
/* b u l */ 0x7800 /* ldrb imm5 */, |
| 814 |
|
|
/* b u s */ 0x7000 /* strb imm5 */, |
| 815 |
|
|
/* b s l */ 0x0000 /* not allowed */, |
| 816 |
|
|
/* b s s */ 0x7000 /* strb imm5 */, |
| 817 |
|
|
|
| 818 |
|
|
/* h u l */ 0x8800 /* ldrh imm5 */, |
| 819 |
|
|
/* h u s */ 0x8000 /* strh imm5 */, |
| 820 |
|
|
/* h s l */ 0x0000 /* not allowed */, |
| 821 |
|
|
/* h s s */ 0x8000 /* strh imm5 */, |
| 822 |
|
|
}; |
| 823 |
|
|
|
| 824 |
|
|
#define MEM_IMM8 0xc00 |
| 825 |
|
|
#define MEM_IMM12 0x800000 |
| 826 |
|
|
static SLJIT_CONST sljit_uw sljit_mem32[12] = { |
| 827 |
|
|
/* w u l */ 0xf8500000 /* ldr.w */, |
| 828 |
|
|
/* w u s */ 0xf8400000 /* str.w */, |
| 829 |
|
|
/* w s l */ 0xf8500000 /* ldr.w */, |
| 830 |
|
|
/* w s s */ 0xf8400000 /* str.w */, |
| 831 |
|
|
|
| 832 |
|
|
/* b u l */ 0xf8100000 /* ldrb.w */, |
| 833 |
|
|
/* b u s */ 0xf8000000 /* strb.w */, |
| 834 |
|
|
/* b s l */ 0xf9100000 /* ldrsb.w */, |
| 835 |
|
|
/* b s s */ 0xf8000000 /* strb.w */, |
| 836 |
|
|
|
| 837 |
|
|
/* h u l */ 0xf8300000 /* ldrh.w */, |
| 838 |
|
|
/* h u s */ 0xf8200000 /* strsh.w */, |
| 839 |
|
|
/* h s l */ 0xf9300000 /* ldrsh.w */, |
| 840 |
|
|
/* h s s */ 0xf8200000 /* strsh.w */, |
| 841 |
|
|
}; |
| 842 |
|
|
|
| 843 |
|
|
/* Helper function. Dst should be reg + value, using at most 1 instruction, flags does not set. */ |
| 844 |
|
|
static int emit_set_delta(struct sljit_compiler *compiler, int dst, int reg, sljit_w value) |
| 845 |
|
|
{ |
| 846 |
|
|
if (value >= 0) { |
| 847 |
|
|
if (value <= 0xfff) |
| 848 |
|
|
return push_inst32(compiler, ADDWI | RD4(dst) | RN4(reg) | IMM12(value)); |
| 849 |
|
|
value = get_imm(value); |
| 850 |
|
|
if (value != INVALID_IMM) |
| 851 |
|
|
return push_inst32(compiler, ADD_WI | RD4(dst) | RN4(reg) | value); |
| 852 |
|
|
} |
| 853 |
|
|
else { |
| 854 |
|
|
value = -value; |
| 855 |
|
|
if (value <= 0xfff) |
| 856 |
|
|
return push_inst32(compiler, SUBWI | RD4(dst) | RN4(reg) | IMM12(value)); |
| 857 |
|
|
value = get_imm(value); |
| 858 |
|
|
if (value != INVALID_IMM) |
| 859 |
|
|
return push_inst32(compiler, SUB_WI | RD4(dst) | RN4(reg) | value); |
| 860 |
|
|
} |
| 861 |
|
|
return SLJIT_ERR_UNSUPPORTED; |
| 862 |
|
|
} |
| 863 |
|
|
|
| 864 |
|
|
/* Can perform an operation using at most 1 instruction. */ |
| 865 |
|
|
static int getput_arg_fast(struct sljit_compiler *compiler, int flags, int reg, int arg, sljit_w argw) |
| 866 |
|
|
{ |
| 867 |
|
|
int tmp; |
| 868 |
|
|
|
| 869 |
|
|
SLJIT_ASSERT(arg & SLJIT_MEM); |
| 870 |
|
|
|
| 871 |
|
|
if (SLJIT_UNLIKELY(flags & UPDATE)) { |
| 872 |
|
|
if ((arg & 0xf) && !(arg & 0xf0) && argw <= 0xff && argw >= -0xff) { |
| 873 |
|
|
flags &= ~UPDATE; |
| 874 |
|
|
arg &= 0xf; |
| 875 |
|
|
if (SLJIT_UNLIKELY(flags & ARG_TEST)) |
| 876 |
|
|
return 1; |
| 877 |
|
|
|
| 878 |
|
|
if (argw >= 0) |
| 879 |
|
|
argw |= 0x200; |
| 880 |
|
|
else { |
| 881 |
|
|
argw = -argw; |
| 882 |
|
|
} |
| 883 |
|
|
SLJIT_ASSERT(argw >= 0 && (argw & 0xff) <= 0xff); |
| 884 |
|
|
FAIL_IF(push_inst32(compiler, sljit_mem32[flags] | MEM_IMM8 | RT4(reg) | RN4(arg) | 0x100 | argw)); |
| 885 |
|
|
return -1; |
| 886 |
|
|
} |
| 887 |
|
|
return (flags & ARG_TEST) ? SLJIT_SUCCESS : 0; |
| 888 |
|
|
} |
| 889 |
|
|
|
| 890 |
|
|
if (SLJIT_UNLIKELY(arg & 0xf0)) { |
| 891 |
|
|
argw &= 0x3; |
| 892 |
|
|
tmp = (arg >> 4) & 0xf; |
| 893 |
|
|
arg &= 0xf; |
| 894 |
|
|
if (SLJIT_UNLIKELY(flags & ARG_TEST)) |
| 895 |
|
|
return 1; |
| 896 |
|
|
|
| 897 |
|
|
if (!argw && IS_3_LO_REGS(reg, arg, tmp)) |
| 898 |
|
|
FAIL_IF(push_inst16(compiler, sljit_mem16[flags] | RD3(reg) | RN3(arg) | RM3(tmp))); |
| 899 |
|
|
else |
| 900 |
|
|
FAIL_IF(push_inst32(compiler, sljit_mem32[flags] | RT4(reg) | RN4(arg) | RM4(tmp) | (argw << 4))); |
| 901 |
|
|
return -1; |
| 902 |
|
|
} |
| 903 |
|
|
|
| 904 |
|
|
if (!(arg & 0xf) || argw > 0xfff || argw < -0xff) |
| 905 |
|
|
return (flags & ARG_TEST) ? SLJIT_SUCCESS : 0; |
| 906 |
|
|
|
| 907 |
|
|
if (SLJIT_UNLIKELY(flags & ARG_TEST)) |
| 908 |
|
|
return 1; |
| 909 |
|
|
|
| 910 |
|
|
arg &= 0xf; |
| 911 |
|
|
if (IS_2_LO_REGS(reg, arg) && sljit_mem16_imm5[flags]) { |
| 912 |
|
|
tmp = 3; |
| 913 |
|
|
if (IS_WORD_SIZE(flags)) { |
| 914 |
|
|
if (OFFSET_CHECK(0x1f, 2)) |
| 915 |
|
|
tmp = 2; |
| 916 |
|
|
} |
| 917 |
|
|
else if (flags & BYTE_SIZE) |
| 918 |
|
|
{ |
| 919 |
|
|
if (OFFSET_CHECK(0x1f, 0)) |
| 920 |
|
|
tmp = 0; |
| 921 |
|
|
} |
| 922 |
|
|
else { |
| 923 |
|
|
SLJIT_ASSERT(flags & HALF_SIZE); |
| 924 |
|
|
if (OFFSET_CHECK(0x1f, 1)) |
| 925 |
|
|
tmp = 1; |
| 926 |
|
|
} |
| 927 |
|
|
|
| 928 |
|
|
if (tmp != 3) { |
| 929 |
|
|
FAIL_IF(push_inst16(compiler, sljit_mem16_imm5[flags] | RD3(reg) | RN3(arg) | (argw << (6 - tmp)))); |
| 930 |
|
|
return -1; |
| 931 |
|
|
} |
| 932 |
|
|
} |
| 933 |
|
|
|
| 934 |
|
|
/* SP based immediate. */ |
| 935 |
|
|
if (SLJIT_UNLIKELY(arg == SLJIT_LOCALS_REG) && OFFSET_CHECK(0xff, 2) && IS_WORD_SIZE(flags) && reg_map[reg] <= 7) { |
| 936 |
|
|
FAIL_IF(push_inst16(compiler, STR_SP | ((flags & STORE) ? 0 : 0x800) | RDN3(reg) | (argw >> 2))); |
| 937 |
|
|
return -1; |
| 938 |
|
|
} |
| 939 |
|
|
|
| 940 |
|
|
if (argw >= 0) |
| 941 |
|
|
FAIL_IF(push_inst32(compiler, sljit_mem32[flags] | MEM_IMM12 | RT4(reg) | RN4(arg) | argw)); |
| 942 |
|
|
else |
| 943 |
|
|
FAIL_IF(push_inst32(compiler, sljit_mem32[flags] | MEM_IMM8 | RT4(reg) | RN4(arg) | -argw)); |
| 944 |
|
|
return -1; |
| 945 |
|
|
} |
| 946 |
|
|
|
| 947 |
|
|
/* see getput_arg below. |
| 948 |
|
|
Note: can_cache is called only for binary operators. Those |
| 949 |
|
|
operators always uses word arguments without write back. */ |
| 950 |
|
|
static int can_cache(int arg, sljit_w argw, int next_arg, sljit_w next_argw) |
| 951 |
|
|
{ |
| 952 |
|
|
/* Simple operation except for updates. */ |
| 953 |
|
|
if ((arg & 0xf0) || !(next_arg & SLJIT_MEM)) |
| 954 |
|
|
return 0; |
| 955 |
|
|
|
| 956 |
|
|
if (!(arg & 0xf)) { |
| 957 |
|
|
if ((sljit_uw)(argw - next_argw) <= 0xfff || (sljit_uw)(next_argw - argw) <= 0xfff) |
| 958 |
|
|
return 1; |
| 959 |
|
|
return 0; |
| 960 |
|
|
} |
| 961 |
|
|
|
| 962 |
|
|
if (argw == next_argw) |
| 963 |
|
|
return 1; |
| 964 |
|
|
|
| 965 |
|
|
if (arg == next_arg && ((sljit_uw)(argw - next_argw) <= 0xfff || (sljit_uw)(next_argw - argw) <= 0xfff)) |
| 966 |
|
|
return 1; |
| 967 |
|
|
|
| 968 |
|
|
return 0; |
| 969 |
|
|
} |
| 970 |
|
|
|
| 971 |
|
|
/* Emit the necessary instructions. See can_cache above. */ |
| 972 |
|
|
static int getput_arg(struct sljit_compiler *compiler, int flags, int reg, int arg, sljit_w argw, int next_arg, sljit_w next_argw) |
| 973 |
|
|
{ |
| 974 |
|
|
int tmp_r; |
| 975 |
|
|
sljit_w tmp; |
| 976 |
|
|
|
| 977 |
|
|
SLJIT_ASSERT(arg & SLJIT_MEM); |
| 978 |
|
|
if (!(next_arg & SLJIT_MEM)) { |
| 979 |
|
|
next_arg = 0; |
| 980 |
|
|
next_argw = 0; |
| 981 |
|
|
} |
| 982 |
|
|
|
| 983 |
|
|
tmp_r = (flags & STORE) ? TMP_REG3 : reg; |
| 984 |
|
|
|
| 985 |
|
|
if (SLJIT_UNLIKELY(flags & UPDATE)) { |
| 986 |
|
|
flags &= ~UPDATE; |
| 987 |
|
|
/* Update only applies if a base register exists. */ |
| 988 |
|
|
if (arg & 0xf) { |
| 989 |
|
|
/* There is no caching here. */ |
| 990 |
|
|
tmp = (arg & 0xf0) >> 4; |
| 991 |
|
|
arg &= 0xf; |
| 992 |
|
|
|
| 993 |
|
|
if (!tmp) { |
| 994 |
|
|
if (!(argw & ~0xfff)) { |
| 995 |
|
|
FAIL_IF(push_inst32(compiler, sljit_mem32[flags] | MEM_IMM12 | RT4(reg) | RN4(arg) | argw)); |
| 996 |
|
|
return push_inst32(compiler, ADDWI | RD4(arg) | RN4(arg) | IMM12(argw)); |
| 997 |
|
|
} |
| 998 |
|
|
|
| 999 |
|
|
if (compiler->cache_arg == SLJIT_MEM) { |
| 1000 |
|
|
if (argw == compiler->cache_argw) { |
| 1001 |
|
|
tmp = TMP_REG3; |
| 1002 |
|
|
argw = 0; |
| 1003 |
|
|
} |
| 1004 |
|
|
else if (emit_set_delta(compiler, TMP_REG3, TMP_REG3, argw - compiler->cache_argw) != SLJIT_ERR_UNSUPPORTED) { |
| 1005 |
|
|
FAIL_IF(compiler->error); |
| 1006 |
|
|
compiler->cache_argw = argw; |
| 1007 |
|
|
tmp = TMP_REG3; |
| 1008 |
|
|
argw = 0; |
| 1009 |
|
|
} |
| 1010 |
|
|
} |
| 1011 |
|
|
|
| 1012 |
|
|
if (argw) { |
| 1013 |
|
|
FAIL_IF(load_immediate(compiler, TMP_REG3, argw)); |
| 1014 |
|
|
compiler->cache_arg = SLJIT_MEM; |
| 1015 |
|
|
compiler->cache_argw = argw; |
| 1016 |
|
|
tmp = TMP_REG3; |
| 1017 |
|
|
argw = 0; |
| 1018 |
|
|
} |
| 1019 |
|
|
} |
| 1020 |
|
|
|
| 1021 |
|
|
argw &= 0x3; |
| 1022 |
|
|
if (!argw && IS_3_LO_REGS(reg, arg, tmp)) { |
| 1023 |
|
|
FAIL_IF(push_inst16(compiler, sljit_mem16[flags] | RD3(reg) | RN3(arg) | RM3(tmp))); |
| 1024 |
|
|
return push_inst16(compiler, ADD | SET_REGS44(arg, tmp)); |
| 1025 |
|
|
} |
| 1026 |
|
|
FAIL_IF(push_inst32(compiler, sljit_mem32[flags] | RT4(reg) | RN4(arg) | RM4(tmp) | (argw << 4))); |
| 1027 |
|
|
return push_inst32(compiler, ADD_W | RD4(arg) | RN4(arg) | RM4(tmp) | (argw << 6)); |
| 1028 |
|
|
} |
| 1029 |
|
|
} |
| 1030 |
|
|
|
| 1031 |
|
|
SLJIT_ASSERT(!(arg & 0xf0)); |
| 1032 |
|
|
|
| 1033 |
|
|
if (compiler->cache_arg == arg) { |
| 1034 |
|
|
if (!((argw - compiler->cache_argw) & ~0xfff)) |
| 1035 |
|
|
return push_inst32(compiler, sljit_mem32[flags] | MEM_IMM12 | RT4(reg) | RN4(TMP_REG3) | (argw - compiler->cache_argw)); |
| 1036 |
|
|
if (!((compiler->cache_argw - argw) & ~0xff)) |
| 1037 |
|
|
return push_inst32(compiler, sljit_mem32[flags] | MEM_IMM8 | RT4(reg) | RN4(TMP_REG3) | (compiler->cache_argw - argw)); |
| 1038 |
|
|
if (emit_set_delta(compiler, TMP_REG3, TMP_REG3, argw - compiler->cache_argw) != SLJIT_ERR_UNSUPPORTED) { |
| 1039 |
|
|
FAIL_IF(compiler->error); |
| 1040 |
|
|
return push_inst32(compiler, sljit_mem32[flags] | MEM_IMM12 | RT4(reg) | RN4(TMP_REG3) | 0); |
| 1041 |
|
|
} |
| 1042 |
|
|
} |
| 1043 |
|
|
|
| 1044 |
|
|
next_arg = (arg & 0xf) && (arg == next_arg); |
| 1045 |
|
|
arg &= 0xf; |
| 1046 |
|
|
if (arg && compiler->cache_arg == SLJIT_MEM && compiler->cache_argw == argw) |
| 1047 |
|
|
return push_inst32(compiler, sljit_mem32[flags] | RT4(reg) | RN4(arg) | RM4(TMP_REG3)); |
| 1048 |
|
|
|
| 1049 |
|
|
compiler->cache_argw = argw; |
| 1050 |
|
|
if (next_arg && emit_set_delta(compiler, TMP_REG3, arg, argw) != SLJIT_ERR_UNSUPPORTED) { |
| 1051 |
|
|
FAIL_IF(compiler->error); |
| 1052 |
|
|
compiler->cache_arg = SLJIT_MEM | arg; |
| 1053 |
|
|
arg = 0; |
| 1054 |
|
|
} |
| 1055 |
|
|
else { |
| 1056 |
|
|
FAIL_IF(load_immediate(compiler, TMP_REG3, argw)); |
| 1057 |
|
|
compiler->cache_arg = SLJIT_MEM; |
| 1058 |
|
|
|
| 1059 |
|
|
if (next_arg) { |
| 1060 |
|
|
FAIL_IF(push_inst16(compiler, ADD | SET_REGS44(TMP_REG3, arg))); |
| 1061 |
|
|
compiler->cache_arg = SLJIT_MEM | arg; |
| 1062 |
|
|
arg = 0; |
| 1063 |
|
|
} |
| 1064 |
|
|
} |
| 1065 |
|
|
|
| 1066 |
|
|
if (arg) |
| 1067 |
|
|
return push_inst32(compiler, sljit_mem32[flags] | RT4(reg) | RN4(arg) | RM4(TMP_REG3)); |
| 1068 |
|
|
return push_inst32(compiler, sljit_mem32[flags] | MEM_IMM12 | RT4(reg) | RN4(TMP_REG3) | 0); |
| 1069 |
|
|
} |
| 1070 |
|
|
|
| 1071 |
|
|
static SLJIT_INLINE int emit_op_mem(struct sljit_compiler *compiler, int flags, int reg, int arg, sljit_w argw) |
| 1072 |
|
|
{ |
| 1073 |
|
|
if (getput_arg_fast(compiler, flags, reg, arg, argw)) |
| 1074 |
|
|
return compiler->error; |
| 1075 |
|
|
compiler->cache_arg = 0; |
| 1076 |
|
|
compiler->cache_argw = 0; |
| 1077 |
|
|
return getput_arg(compiler, flags, reg, arg, argw, 0, 0); |
| 1078 |
|
|
} |
| 1079 |
|
|
|
| 1080 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size) |
| 1081 |
ph10 |
662 |
{ |
| 1082 |
|
|
int size; |
| 1083 |
|
|
sljit_ins push; |
| 1084 |
|
|
|
| 1085 |
|
|
CHECK_ERROR(); |
| 1086 |
|
|
check_sljit_emit_enter(compiler, args, temporaries, generals, local_size); |
| 1087 |
|
|
|
| 1088 |
|
|
compiler->temporaries = temporaries; |
| 1089 |
|
|
compiler->generals = generals; |
| 1090 |
|
|
|
| 1091 |
|
|
push = (1 << 4); |
| 1092 |
|
|
if (generals >= 5) |
| 1093 |
|
|
push |= 1 << 11; |
| 1094 |
|
|
if (generals >= 4) |
| 1095 |
|
|
push |= 1 << 10; |
| 1096 |
|
|
if (generals >= 3) |
| 1097 |
|
|
push |= 1 << 8; |
| 1098 |
|
|
if (generals >= 2) |
| 1099 |
|
|
push |= 1 << 7; |
| 1100 |
|
|
if (generals >= 1) |
| 1101 |
|
|
push |= 1 << 6; |
| 1102 |
|
|
if (temporaries >= 5) |
| 1103 |
|
|
push |= 1 << 5; |
| 1104 |
|
|
FAIL_IF(generals >= 3 |
| 1105 |
|
|
? push_inst32(compiler, PUSH_W | (1 << 14) | push) |
| 1106 |
|
|
: push_inst16(compiler, PUSH | push)); |
| 1107 |
|
|
|
| 1108 |
|
|
/* Stack must be aligned to 8 bytes: */ |
| 1109 |
|
|
size = (3 + generals) * sizeof(sljit_uw); |
| 1110 |
|
|
local_size += size; |
| 1111 |
|
|
local_size = (local_size + 7) & ~7; |
| 1112 |
|
|
local_size -= size; |
| 1113 |
|
|
compiler->local_size = local_size; |
| 1114 |
|
|
if (local_size > 0) { |
| 1115 |
|
|
if (local_size <= (127 << 2)) |
| 1116 |
|
|
FAIL_IF(push_inst16(compiler, SUB_SP | (local_size >> 2))); |
| 1117 |
|
|
else |
| 1118 |
|
|
FAIL_IF(emit_op_imm(compiler, SLJIT_SUB | ARG2_IMM, SLJIT_LOCALS_REG, SLJIT_LOCALS_REG, local_size)); |
| 1119 |
|
|
} |
| 1120 |
|
|
|
| 1121 |
|
|
if (args >= 1) |
| 1122 |
|
|
FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(SLJIT_GENERAL_REG1, SLJIT_TEMPORARY_REG1))); |
| 1123 |
|
|
if (args >= 2) |
| 1124 |
|
|
FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(SLJIT_GENERAL_REG2, SLJIT_TEMPORARY_REG2))); |
| 1125 |
|
|
if (args >= 3) |
| 1126 |
|
|
FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(SLJIT_GENERAL_REG3, SLJIT_TEMPORARY_REG3))); |
| 1127 |
|
|
|
| 1128 |
|
|
return SLJIT_SUCCESS; |
| 1129 |
|
|
} |
| 1130 |
|
|
|
| 1131 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE void sljit_fake_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size) |
| 1132 |
ph10 |
662 |
{ |
| 1133 |
|
|
int size; |
| 1134 |
|
|
|
| 1135 |
|
|
CHECK_ERROR_VOID(); |
| 1136 |
|
|
check_sljit_fake_enter(compiler, args, temporaries, generals, local_size); |
| 1137 |
|
|
|
| 1138 |
|
|
compiler->temporaries = temporaries; |
| 1139 |
|
|
compiler->generals = generals; |
| 1140 |
|
|
|
| 1141 |
|
|
size = (3 + generals) * sizeof(sljit_uw); |
| 1142 |
|
|
local_size += size; |
| 1143 |
|
|
local_size = (local_size + 7) & ~7; |
| 1144 |
|
|
local_size -= size; |
| 1145 |
|
|
compiler->local_size = local_size; |
| 1146 |
|
|
} |
| 1147 |
|
|
|
| 1148 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct sljit_compiler *compiler, int src, sljit_w srcw) |
| 1149 |
ph10 |
662 |
{ |
| 1150 |
|
|
sljit_ins pop; |
| 1151 |
|
|
|
| 1152 |
|
|
CHECK_ERROR(); |
| 1153 |
|
|
check_sljit_emit_return(compiler, src, srcw); |
| 1154 |
|
|
|
| 1155 |
|
|
if (src != SLJIT_UNUSED && src != SLJIT_RETURN_REG) { |
| 1156 |
|
|
if (src >= SLJIT_TEMPORARY_REG1 && src <= TMP_REG3) |
| 1157 |
|
|
FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(SLJIT_RETURN_REG, src))); |
| 1158 |
|
|
else |
| 1159 |
|
|
FAIL_IF(emit_op_mem(compiler, WORD_SIZE, SLJIT_RETURN_REG, src, srcw)); |
| 1160 |
|
|
} |
| 1161 |
|
|
|
| 1162 |
|
|
if (compiler->local_size > 0) { |
| 1163 |
|
|
if (compiler->local_size <= (127 << 2)) |
| 1164 |
|
|
FAIL_IF(push_inst16(compiler, ADD_SP | (compiler->local_size >> 2))); |
| 1165 |
|
|
else |
| 1166 |
|
|
FAIL_IF(emit_op_imm(compiler, SLJIT_ADD | ARG2_IMM, SLJIT_LOCALS_REG, SLJIT_LOCALS_REG, compiler->local_size)); |
| 1167 |
|
|
} |
| 1168 |
|
|
|
| 1169 |
|
|
pop = (1 << 4); |
| 1170 |
|
|
if (compiler->generals >= 5) |
| 1171 |
|
|
pop |= 1 << 11; |
| 1172 |
|
|
if (compiler->generals >= 4) |
| 1173 |
|
|
pop |= 1 << 10; |
| 1174 |
|
|
if (compiler->generals >= 3) |
| 1175 |
|
|
pop |= 1 << 8; |
| 1176 |
|
|
if (compiler->generals >= 2) |
| 1177 |
|
|
pop |= 1 << 7; |
| 1178 |
|
|
if (compiler->generals >= 1) |
| 1179 |
|
|
pop |= 1 << 6; |
| 1180 |
|
|
if (compiler->temporaries >= 5) |
| 1181 |
|
|
pop |= 1 << 5; |
| 1182 |
|
|
return compiler->generals >= 3 |
| 1183 |
|
|
? push_inst32(compiler, POP_W | (1 << 15) | pop) |
| 1184 |
|
|
: push_inst16(compiler, POP | pop); |
| 1185 |
|
|
} |
| 1186 |
|
|
|
| 1187 |
|
|
/* --------------------------------------------------------------------- */ |
| 1188 |
|
|
/* Operators */ |
| 1189 |
|
|
/* --------------------------------------------------------------------- */ |
| 1190 |
|
|
|
| 1191 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op0(struct sljit_compiler *compiler, int op) |
| 1192 |
ph10 |
662 |
{ |
| 1193 |
|
|
CHECK_ERROR(); |
| 1194 |
|
|
check_sljit_emit_op0(compiler, op); |
| 1195 |
|
|
|
| 1196 |
|
|
op = GET_OPCODE(op); |
| 1197 |
|
|
switch (op) { |
| 1198 |
|
|
case SLJIT_BREAKPOINT: |
| 1199 |
|
|
push_inst16(compiler, BKPT); |
| 1200 |
|
|
break; |
| 1201 |
|
|
case SLJIT_NOP: |
| 1202 |
|
|
push_inst16(compiler, NOP); |
| 1203 |
|
|
break; |
| 1204 |
|
|
} |
| 1205 |
|
|
|
| 1206 |
|
|
return SLJIT_SUCCESS; |
| 1207 |
|
|
} |
| 1208 |
|
|
|
| 1209 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op1(struct sljit_compiler *compiler, int op, |
| 1210 |
ph10 |
662 |
int dst, sljit_w dstw, |
| 1211 |
|
|
int src, sljit_w srcw) |
| 1212 |
|
|
{ |
| 1213 |
|
|
int op_type, dst_r, flags; |
| 1214 |
|
|
|
| 1215 |
|
|
CHECK_ERROR(); |
| 1216 |
|
|
check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw); |
| 1217 |
|
|
|
| 1218 |
|
|
compiler->cache_arg = 0; |
| 1219 |
|
|
compiler->cache_argw = 0; |
| 1220 |
|
|
|
| 1221 |
|
|
op_type = GET_OPCODE(op); |
| 1222 |
|
|
dst_r = (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG1; |
| 1223 |
|
|
|
| 1224 |
|
|
if (op_type >= SLJIT_MOV && op_type <= SLJIT_MOVU_SI) { |
| 1225 |
|
|
switch (op_type) { |
| 1226 |
|
|
case SLJIT_MOV: |
| 1227 |
|
|
case SLJIT_MOV_UI: |
| 1228 |
|
|
case SLJIT_MOV_SI: |
| 1229 |
|
|
flags = WORD_SIZE; |
| 1230 |
|
|
break; |
| 1231 |
|
|
case SLJIT_MOV_UB: |
| 1232 |
|
|
flags = BYTE_SIZE; |
| 1233 |
|
|
if (src & SLJIT_IMM) |
| 1234 |
|
|
srcw = (unsigned char)srcw; |
| 1235 |
|
|
break; |
| 1236 |
|
|
case SLJIT_MOV_SB: |
| 1237 |
|
|
flags = BYTE_SIZE | SIGNED; |
| 1238 |
|
|
if (src & SLJIT_IMM) |
| 1239 |
|
|
srcw = (signed char)srcw; |
| 1240 |
|
|
break; |
| 1241 |
|
|
case SLJIT_MOV_UH: |
| 1242 |
|
|
flags = HALF_SIZE; |
| 1243 |
|
|
if (src & SLJIT_IMM) |
| 1244 |
|
|
srcw = (unsigned short)srcw; |
| 1245 |
|
|
break; |
| 1246 |
|
|
case SLJIT_MOV_SH: |
| 1247 |
|
|
flags = HALF_SIZE | SIGNED; |
| 1248 |
|
|
if (src & SLJIT_IMM) |
| 1249 |
|
|
srcw = (signed short)srcw; |
| 1250 |
|
|
break; |
| 1251 |
|
|
case SLJIT_MOVU: |
| 1252 |
|
|
case SLJIT_MOVU_UI: |
| 1253 |
|
|
case SLJIT_MOVU_SI: |
| 1254 |
|
|
flags = WORD_SIZE | UPDATE; |
| 1255 |
|
|
break; |
| 1256 |
|
|
case SLJIT_MOVU_UB: |
| 1257 |
|
|
flags = BYTE_SIZE | UPDATE; |
| 1258 |
|
|
if (src & SLJIT_IMM) |
| 1259 |
|
|
srcw = (unsigned char)srcw; |
| 1260 |
|
|
break; |
| 1261 |
|
|
case SLJIT_MOVU_SB: |
| 1262 |
|
|
flags = BYTE_SIZE | SIGNED | UPDATE; |
| 1263 |
|
|
if (src & SLJIT_IMM) |
| 1264 |
|
|
srcw = (signed char)srcw; |
| 1265 |
|
|
break; |
| 1266 |
|
|
case SLJIT_MOVU_UH: |
| 1267 |
|
|
flags = HALF_SIZE | UPDATE; |
| 1268 |
|
|
if (src & SLJIT_IMM) |
| 1269 |
|
|
srcw = (unsigned short)srcw; |
| 1270 |
|
|
break; |
| 1271 |
|
|
case SLJIT_MOVU_SH: |
| 1272 |
|
|
flags = HALF_SIZE | SIGNED | UPDATE; |
| 1273 |
|
|
if (src & SLJIT_IMM) |
| 1274 |
|
|
srcw = (signed short)srcw; |
| 1275 |
|
|
break; |
| 1276 |
|
|
default: |
| 1277 |
|
|
SLJIT_ASSERT_STOP(); |
| 1278 |
|
|
flags = 0; |
| 1279 |
|
|
break; |
| 1280 |
|
|
} |
| 1281 |
|
|
|
| 1282 |
|
|
if (src & SLJIT_IMM) |
| 1283 |
|
|
FAIL_IF(emit_op_imm(compiler, SLJIT_MOV | ARG2_IMM, dst_r, TMP_REG1, srcw)); |
| 1284 |
|
|
else if (src & SLJIT_MEM) { |
| 1285 |
|
|
if (getput_arg_fast(compiler, flags, dst_r, src, srcw)) |
| 1286 |
|
|
FAIL_IF(compiler->error); |
| 1287 |
|
|
else |
| 1288 |
|
|
FAIL_IF(getput_arg(compiler, flags, dst_r, src, srcw, dst, dstw)); |
| 1289 |
|
|
} else { |
| 1290 |
|
|
if (dst_r != TMP_REG1) |
| 1291 |
|
|
return emit_op_imm(compiler, op_type, dst_r, TMP_REG1, src); |
| 1292 |
|
|
dst_r = src; |
| 1293 |
|
|
} |
| 1294 |
|
|
|
| 1295 |
|
|
if (dst & SLJIT_MEM) { |
| 1296 |
|
|
if (getput_arg_fast(compiler, flags | STORE, dst_r, dst, dstw)) |
| 1297 |
|
|
return compiler->error; |
| 1298 |
|
|
else |
| 1299 |
|
|
return getput_arg(compiler, flags | STORE, dst_r, dst, dstw, 0, 0); |
| 1300 |
|
|
} |
| 1301 |
|
|
return SLJIT_SUCCESS; |
| 1302 |
|
|
} |
| 1303 |
|
|
|
| 1304 |
|
|
if (op_type == SLJIT_NEG) { |
| 1305 |
|
|
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG) |
| 1306 |
|
|
compiler->skip_checks = 1; |
| 1307 |
|
|
#endif |
| 1308 |
|
|
return sljit_emit_op2(compiler, GET_FLAGS(op) | SLJIT_SUB, dst, dstw, SLJIT_IMM, 0, src, srcw); |
| 1309 |
|
|
} |
| 1310 |
|
|
|
| 1311 |
|
|
flags = (GET_FLAGS(op) ? SET_FLAGS : 0) | ((op & SLJIT_KEEP_FLAGS) ? KEEP_FLAGS : 0); |
| 1312 |
|
|
if (src & SLJIT_MEM) { |
| 1313 |
|
|
if (getput_arg_fast(compiler, WORD_SIZE, TMP_REG2, src, srcw)) |
| 1314 |
|
|
FAIL_IF(compiler->error); |
| 1315 |
|
|
else |
| 1316 |
|
|
FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG2, src, srcw, dst, dstw)); |
| 1317 |
|
|
src = TMP_REG2; |
| 1318 |
|
|
} |
| 1319 |
|
|
|
| 1320 |
|
|
if (src & SLJIT_IMM) |
| 1321 |
|
|
flags |= ARG2_IMM; |
| 1322 |
|
|
else |
| 1323 |
|
|
srcw = src; |
| 1324 |
|
|
|
| 1325 |
|
|
emit_op_imm(compiler, flags | op_type, dst_r, TMP_REG1, srcw); |
| 1326 |
|
|
|
| 1327 |
|
|
if (dst & SLJIT_MEM) { |
| 1328 |
|
|
if (getput_arg_fast(compiler, flags | STORE, dst_r, dst, dstw)) |
| 1329 |
|
|
return compiler->error; |
| 1330 |
|
|
else |
| 1331 |
|
|
return getput_arg(compiler, flags | STORE, dst_r, dst, dstw, 0, 0); |
| 1332 |
|
|
} |
| 1333 |
|
|
return SLJIT_SUCCESS; |
| 1334 |
|
|
} |
| 1335 |
|
|
|
| 1336 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op2(struct sljit_compiler *compiler, int op, |
| 1337 |
ph10 |
662 |
int dst, sljit_w dstw, |
| 1338 |
|
|
int src1, sljit_w src1w, |
| 1339 |
|
|
int src2, sljit_w src2w) |
| 1340 |
|
|
{ |
| 1341 |
|
|
int dst_r, flags; |
| 1342 |
|
|
|
| 1343 |
|
|
CHECK_ERROR(); |
| 1344 |
|
|
check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w); |
| 1345 |
|
|
|
| 1346 |
|
|
compiler->cache_arg = 0; |
| 1347 |
|
|
compiler->cache_argw = 0; |
| 1348 |
|
|
|
| 1349 |
|
|
dst_r = (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG1; |
| 1350 |
|
|
flags = (GET_FLAGS(op) ? SET_FLAGS : 0) | ((op & SLJIT_KEEP_FLAGS) ? KEEP_FLAGS : 0); |
| 1351 |
|
|
|
| 1352 |
|
|
if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, WORD_SIZE | STORE | ARG_TEST, TMP_REG1, dst, dstw)) |
| 1353 |
|
|
flags |= SLOW_DEST; |
| 1354 |
|
|
|
| 1355 |
|
|
if (src1 & SLJIT_MEM) { |
| 1356 |
|
|
if (getput_arg_fast(compiler, WORD_SIZE, TMP_REG1, src1, src1w)) |
| 1357 |
|
|
FAIL_IF(compiler->error); |
| 1358 |
|
|
else |
| 1359 |
|
|
flags |= SLOW_SRC1; |
| 1360 |
|
|
} |
| 1361 |
|
|
if (src2 & SLJIT_MEM) { |
| 1362 |
|
|
if (getput_arg_fast(compiler, WORD_SIZE, TMP_REG2, src2, src2w)) |
| 1363 |
|
|
FAIL_IF(compiler->error); |
| 1364 |
|
|
else |
| 1365 |
|
|
flags |= SLOW_SRC2; |
| 1366 |
|
|
} |
| 1367 |
|
|
|
| 1368 |
|
|
if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) { |
| 1369 |
|
|
if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) { |
| 1370 |
|
|
FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG2, src2, src2w, src1, src1w)); |
| 1371 |
|
|
FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG1, src1, src1w, dst, dstw)); |
| 1372 |
|
|
} |
| 1373 |
|
|
else { |
| 1374 |
|
|
FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG1, src1, src1w, src2, src2w)); |
| 1375 |
|
|
FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG2, src2, src2w, dst, dstw)); |
| 1376 |
|
|
} |
| 1377 |
|
|
} |
| 1378 |
|
|
else if (flags & SLOW_SRC1) |
| 1379 |
|
|
FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG1, src1, src1w, dst, dstw)); |
| 1380 |
|
|
else if (flags & SLOW_SRC2) |
| 1381 |
|
|
FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG2, src2, src2w, dst, dstw)); |
| 1382 |
|
|
|
| 1383 |
|
|
if (src1 & SLJIT_MEM) |
| 1384 |
|
|
src1 = TMP_REG1; |
| 1385 |
|
|
if (src2 & SLJIT_MEM) |
| 1386 |
|
|
src2 = TMP_REG2; |
| 1387 |
|
|
|
| 1388 |
|
|
if (src1 & SLJIT_IMM) |
| 1389 |
|
|
flags |= ARG1_IMM; |
| 1390 |
|
|
else |
| 1391 |
|
|
src1w = src1; |
| 1392 |
|
|
if (src2 & SLJIT_IMM) |
| 1393 |
|
|
flags |= ARG2_IMM; |
| 1394 |
|
|
else |
| 1395 |
|
|
src2w = src2; |
| 1396 |
|
|
|
| 1397 |
|
|
if (dst == SLJIT_UNUSED) |
| 1398 |
|
|
flags |= UNUSED_RETURN; |
| 1399 |
|
|
|
| 1400 |
|
|
if (GET_OPCODE(op) == SLJIT_MUL && (op & SLJIT_SET_O)) |
| 1401 |
|
|
flags |= SET_MULOV; |
| 1402 |
|
|
|
| 1403 |
|
|
emit_op_imm(compiler, flags | GET_OPCODE(op), dst_r, src1w, src2w); |
| 1404 |
|
|
|
| 1405 |
|
|
if (dst & SLJIT_MEM) { |
| 1406 |
|
|
if (!(flags & SLOW_DEST)) { |
| 1407 |
|
|
getput_arg_fast(compiler, WORD_SIZE | STORE, dst_r, dst, dstw); |
| 1408 |
|
|
return compiler->error; |
| 1409 |
|
|
} |
| 1410 |
|
|
return getput_arg(compiler, WORD_SIZE | STORE, TMP_REG1, dst, dstw, 0, 0); |
| 1411 |
|
|
} |
| 1412 |
|
|
return SLJIT_SUCCESS; |
| 1413 |
|
|
} |
| 1414 |
|
|
|
| 1415 |
|
|
/* --------------------------------------------------------------------- */ |
| 1416 |
|
|
/* Floating point operators */ |
| 1417 |
|
|
/* --------------------------------------------------------------------- */ |
| 1418 |
|
|
|
| 1419 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_is_fpu_available(void) |
| 1420 |
ph10 |
662 |
{ |
| 1421 |
|
|
return 1; |
| 1422 |
|
|
} |
| 1423 |
|
|
|
| 1424 |
|
|
static int emit_fop_mem(struct sljit_compiler *compiler, int flags, int reg, int arg, sljit_w argw) |
| 1425 |
|
|
{ |
| 1426 |
|
|
sljit_w tmp; |
| 1427 |
|
|
sljit_w inst = VSTR | ((flags & STORE) ? 0 : 0x00100000); |
| 1428 |
|
|
|
| 1429 |
|
|
SLJIT_ASSERT(arg & SLJIT_MEM); |
| 1430 |
|
|
|
| 1431 |
|
|
/* Fast loads and stores. */ |
| 1432 |
|
|
if (SLJIT_UNLIKELY(arg & 0xf0)) { |
| 1433 |
|
|
FAIL_IF(push_inst32(compiler, ADD_W | RD4(TMP_REG2) | RN4(arg & 0xf) | RM4((arg & 0xf0) >> 4) | ((argw & 0x3) << 6))); |
| 1434 |
|
|
arg = SLJIT_MEM | TMP_REG2; |
| 1435 |
|
|
argw = 0; |
| 1436 |
|
|
} |
| 1437 |
|
|
|
| 1438 |
|
|
if (arg & 0xf) { |
| 1439 |
|
|
if (!(argw & ~0x3fc)) |
| 1440 |
|
|
return push_inst32(compiler, inst | 0x800000 | RN4(arg & 0xf) | DD4(reg) | (argw >> 2)); |
| 1441 |
|
|
if (!(-argw & ~0x3fc)) |
| 1442 |
|
|
return push_inst32(compiler, inst | RN4(arg & 0xf) | DD4(reg) | (-argw >> 2)); |
| 1443 |
|
|
} |
| 1444 |
|
|
|
| 1445 |
|
|
SLJIT_ASSERT(!(arg & 0xf0)); |
| 1446 |
|
|
if (compiler->cache_arg == arg) { |
| 1447 |
|
|
tmp = argw - compiler->cache_argw; |
| 1448 |
|
|
if (!(tmp & ~0x3fc)) |
| 1449 |
|
|
return push_inst32(compiler, inst | 0x800000 | RN4(TMP_REG3) | DD4(reg) | (tmp >> 2)); |
| 1450 |
|
|
if (!(-tmp & ~0x3fc)) |
| 1451 |
|
|
return push_inst32(compiler, inst | RN4(TMP_REG3) | DD4(reg) | (-tmp >> 2)); |
| 1452 |
|
|
if (emit_set_delta(compiler, TMP_REG3, TMP_REG3, tmp) != SLJIT_ERR_UNSUPPORTED) { |
| 1453 |
|
|
FAIL_IF(compiler->error); |
| 1454 |
|
|
compiler->cache_argw = argw; |
| 1455 |
|
|
return push_inst32(compiler, inst | 0x800000 | RN4(TMP_REG3) | DD4(reg)); |
| 1456 |
|
|
} |
| 1457 |
|
|
} |
| 1458 |
|
|
|
| 1459 |
|
|
compiler->cache_arg = arg; |
| 1460 |
|
|
compiler->cache_argw = argw; |
| 1461 |
|
|
|
| 1462 |
|
|
if (SLJIT_UNLIKELY(!(arg & 0xf))) |
| 1463 |
|
|
FAIL_IF(load_immediate(compiler, TMP_REG3, argw)); |
| 1464 |
|
|
else if (emit_set_delta(compiler, TMP_REG3, arg & 0xf, argw) != SLJIT_ERR_UNSUPPORTED) |
| 1465 |
|
|
FAIL_IF(compiler->error); |
| 1466 |
|
|
else { |
| 1467 |
|
|
FAIL_IF(load_immediate(compiler, TMP_REG3, argw)); |
| 1468 |
|
|
if (arg & 0xf) |
| 1469 |
|
|
FAIL_IF(push_inst16(compiler, ADD | SET_REGS44(TMP_REG3, (arg & 0xf)))); |
| 1470 |
|
|
} |
| 1471 |
|
|
return push_inst32(compiler, inst | 0x800000 | RN4(TMP_REG3) | DD4(reg)); |
| 1472 |
|
|
} |
| 1473 |
|
|
|
| 1474 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop1(struct sljit_compiler *compiler, int op, |
| 1475 |
ph10 |
662 |
int dst, sljit_w dstw, |
| 1476 |
|
|
int src, sljit_w srcw) |
| 1477 |
|
|
{ |
| 1478 |
|
|
int dst_r; |
| 1479 |
|
|
|
| 1480 |
|
|
CHECK_ERROR(); |
| 1481 |
|
|
check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw); |
| 1482 |
|
|
|
| 1483 |
|
|
compiler->cache_arg = 0; |
| 1484 |
|
|
compiler->cache_argw = 0; |
| 1485 |
|
|
|
| 1486 |
|
|
if (GET_OPCODE(op) == SLJIT_FCMP) { |
| 1487 |
|
|
if (dst & SLJIT_MEM) { |
| 1488 |
|
|
emit_fop_mem(compiler, 0, TMP_FREG1, dst, dstw); |
| 1489 |
|
|
dst = TMP_FREG1; |
| 1490 |
|
|
} |
| 1491 |
|
|
if (src & SLJIT_MEM) { |
| 1492 |
|
|
emit_fop_mem(compiler, 0, TMP_FREG2, src, srcw); |
| 1493 |
|
|
src = TMP_FREG2; |
| 1494 |
|
|
} |
| 1495 |
|
|
FAIL_IF(push_inst32(compiler, VCMP_F64 | DD4(dst) | DM4(src))); |
| 1496 |
|
|
return push_inst32(compiler, VMRS); |
| 1497 |
|
|
} |
| 1498 |
|
|
|
| 1499 |
|
|
dst_r = (dst >= SLJIT_FLOAT_REG1 && dst <= SLJIT_FLOAT_REG4) ? dst : TMP_FREG1; |
| 1500 |
|
|
if (src & SLJIT_MEM) { |
| 1501 |
|
|
emit_fop_mem(compiler, 0, dst_r, src, srcw); |
| 1502 |
|
|
src = dst_r; |
| 1503 |
|
|
} |
| 1504 |
|
|
|
| 1505 |
|
|
switch (GET_OPCODE(op)) { |
| 1506 |
|
|
case SLJIT_FMOV: |
| 1507 |
|
|
if (src != dst_r) |
| 1508 |
|
|
FAIL_IF(push_inst32(compiler, VMOV_F64 | DD4(dst_r) | DM4(src))); |
| 1509 |
|
|
break; |
| 1510 |
|
|
case SLJIT_FNEG: |
| 1511 |
|
|
FAIL_IF(push_inst32(compiler, VNEG_F64 | DD4(dst_r) | DM4(src))); |
| 1512 |
|
|
break; |
| 1513 |
|
|
case SLJIT_FABS: |
| 1514 |
|
|
FAIL_IF(push_inst32(compiler, VABS_F64 | DD4(dst_r) | DM4(src))); |
| 1515 |
|
|
break; |
| 1516 |
|
|
} |
| 1517 |
|
|
|
| 1518 |
|
|
if (dst & SLJIT_MEM) |
| 1519 |
|
|
return emit_fop_mem(compiler, STORE, TMP_FREG1, dst, dstw); |
| 1520 |
|
|
return SLJIT_SUCCESS; |
| 1521 |
|
|
} |
| 1522 |
|
|
|
| 1523 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop2(struct sljit_compiler *compiler, int op, |
| 1524 |
ph10 |
662 |
int dst, sljit_w dstw, |
| 1525 |
|
|
int src1, sljit_w src1w, |
| 1526 |
|
|
int src2, sljit_w src2w) |
| 1527 |
|
|
{ |
| 1528 |
|
|
int dst_r; |
| 1529 |
|
|
|
| 1530 |
|
|
CHECK_ERROR(); |
| 1531 |
|
|
check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w); |
| 1532 |
|
|
|
| 1533 |
|
|
compiler->cache_arg = 0; |
| 1534 |
|
|
compiler->cache_argw = 0; |
| 1535 |
|
|
|
| 1536 |
|
|
dst_r = (dst >= SLJIT_FLOAT_REG1 && dst <= SLJIT_FLOAT_REG4) ? dst : TMP_FREG1; |
| 1537 |
|
|
if (src1 & SLJIT_MEM) { |
| 1538 |
|
|
emit_fop_mem(compiler, 0, TMP_FREG1, src1, src1w); |
| 1539 |
|
|
src1 = TMP_FREG1; |
| 1540 |
|
|
} |
| 1541 |
|
|
if (src2 & SLJIT_MEM) { |
| 1542 |
|
|
emit_fop_mem(compiler, 0, TMP_FREG2, src2, src2w); |
| 1543 |
|
|
src2 = TMP_FREG2; |
| 1544 |
|
|
} |
| 1545 |
|
|
|
| 1546 |
|
|
switch (GET_OPCODE(op)) { |
| 1547 |
|
|
case SLJIT_FADD: |
| 1548 |
|
|
FAIL_IF(push_inst32(compiler, VADD_F64 | DD4(dst_r) | DN4(src1) | DM4(src2))); |
| 1549 |
|
|
break; |
| 1550 |
|
|
case SLJIT_FSUB: |
| 1551 |
|
|
FAIL_IF(push_inst32(compiler, VSUB_F64 | DD4(dst_r) | DN4(src1) | DM4(src2))); |
| 1552 |
|
|
break; |
| 1553 |
|
|
case SLJIT_FMUL: |
| 1554 |
|
|
FAIL_IF(push_inst32(compiler, VMUL_F64 | DD4(dst_r) | DN4(src1) | DM4(src2))); |
| 1555 |
|
|
break; |
| 1556 |
|
|
case SLJIT_FDIV: |
| 1557 |
|
|
FAIL_IF(push_inst32(compiler, VDIV_F64 | DD4(dst_r) | DN4(src1) | DM4(src2))); |
| 1558 |
|
|
break; |
| 1559 |
|
|
} |
| 1560 |
|
|
|
| 1561 |
|
|
if (dst & SLJIT_MEM) |
| 1562 |
|
|
return emit_fop_mem(compiler, STORE, TMP_FREG1, dst, dstw); |
| 1563 |
|
|
return SLJIT_SUCCESS; |
| 1564 |
|
|
} |
| 1565 |
|
|
|
| 1566 |
|
|
/* --------------------------------------------------------------------- */ |
| 1567 |
|
|
/* Other instructions */ |
| 1568 |
|
|
/* --------------------------------------------------------------------- */ |
| 1569 |
|
|
|
| 1570 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_enter(struct sljit_compiler *compiler, int dst, sljit_w dstw, int args, int temporaries, int generals, int local_size) |
| 1571 |
ph10 |
662 |
{ |
| 1572 |
|
|
int size; |
| 1573 |
|
|
|
| 1574 |
|
|
CHECK_ERROR(); |
| 1575 |
|
|
check_sljit_emit_fast_enter(compiler, dst, dstw, args, temporaries, generals, local_size); |
| 1576 |
|
|
|
| 1577 |
|
|
compiler->temporaries = temporaries; |
| 1578 |
|
|
compiler->generals = generals; |
| 1579 |
|
|
|
| 1580 |
|
|
size = (3 + generals) * sizeof(sljit_uw); |
| 1581 |
|
|
local_size += size; |
| 1582 |
|
|
local_size = (local_size + 7) & ~7; |
| 1583 |
|
|
local_size -= size; |
| 1584 |
|
|
compiler->local_size = local_size; |
| 1585 |
|
|
|
| 1586 |
|
|
if (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) |
| 1587 |
|
|
return push_inst16(compiler, MOV | SET_REGS44(dst, TMP_REG3)); |
| 1588 |
|
|
else if (dst & SLJIT_MEM) { |
| 1589 |
|
|
if (getput_arg_fast(compiler, WORD_SIZE | STORE, TMP_REG3, dst, dstw)) |
| 1590 |
|
|
return compiler->error; |
| 1591 |
|
|
FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(TMP_REG2, TMP_REG3))); |
| 1592 |
|
|
compiler->cache_arg = 0; |
| 1593 |
|
|
compiler->cache_argw = 0; |
| 1594 |
|
|
return getput_arg(compiler, WORD_SIZE | STORE, TMP_REG2, dst, dstw, 0, 0); |
| 1595 |
|
|
} |
| 1596 |
|
|
|
| 1597 |
|
|
return SLJIT_SUCCESS; |
| 1598 |
|
|
} |
| 1599 |
|
|
|
| 1600 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_return(struct sljit_compiler *compiler, int src, sljit_w srcw) |
| 1601 |
ph10 |
662 |
{ |
| 1602 |
|
|
CHECK_ERROR(); |
| 1603 |
|
|
check_sljit_emit_fast_return(compiler, src, srcw); |
| 1604 |
|
|
|
| 1605 |
|
|
if (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_NO_REGISTERS) |
| 1606 |
|
|
FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(TMP_REG3, src))); |
| 1607 |
|
|
else if (src & SLJIT_MEM) { |
| 1608 |
|
|
if (getput_arg_fast(compiler, WORD_SIZE, TMP_REG3, src, srcw)) |
| 1609 |
|
|
FAIL_IF(compiler->error); |
| 1610 |
|
|
else { |
| 1611 |
|
|
compiler->cache_arg = 0; |
| 1612 |
|
|
compiler->cache_argw = 0; |
| 1613 |
|
|
FAIL_IF(getput_arg(compiler, WORD_SIZE, TMP_REG2, src, srcw, 0, 0)); |
| 1614 |
|
|
FAIL_IF(push_inst16(compiler, MOV | SET_REGS44(TMP_REG3, TMP_REG2))); |
| 1615 |
|
|
} |
| 1616 |
|
|
} |
| 1617 |
|
|
else if (src & SLJIT_IMM) |
| 1618 |
|
|
FAIL_IF(load_immediate(compiler, TMP_REG3, srcw)); |
| 1619 |
|
|
return push_inst16(compiler, BLX | RN3(TMP_REG3)); |
| 1620 |
|
|
} |
| 1621 |
|
|
|
| 1622 |
|
|
/* --------------------------------------------------------------------- */ |
| 1623 |
|
|
/* Conditional instructions */ |
| 1624 |
|
|
/* --------------------------------------------------------------------- */ |
| 1625 |
|
|
|
| 1626 |
|
|
static sljit_uw get_cc(int type) |
| 1627 |
|
|
{ |
| 1628 |
|
|
switch (type) { |
| 1629 |
|
|
case SLJIT_C_EQUAL: |
| 1630 |
|
|
case SLJIT_C_MUL_NOT_OVERFLOW: |
| 1631 |
|
|
case SLJIT_C_FLOAT_EQUAL: |
| 1632 |
|
|
return 0x0; |
| 1633 |
|
|
|
| 1634 |
|
|
case SLJIT_C_NOT_EQUAL: |
| 1635 |
|
|
case SLJIT_C_MUL_OVERFLOW: |
| 1636 |
|
|
case SLJIT_C_FLOAT_NOT_EQUAL: |
| 1637 |
|
|
return 0x1; |
| 1638 |
|
|
|
| 1639 |
|
|
case SLJIT_C_LESS: |
| 1640 |
|
|
case SLJIT_C_FLOAT_LESS: |
| 1641 |
|
|
return 0x3; |
| 1642 |
|
|
|
| 1643 |
|
|
case SLJIT_C_GREATER_EQUAL: |
| 1644 |
|
|
case SLJIT_C_FLOAT_GREATER_EQUAL: |
| 1645 |
|
|
return 0x2; |
| 1646 |
|
|
|
| 1647 |
|
|
case SLJIT_C_GREATER: |
| 1648 |
|
|
case SLJIT_C_FLOAT_GREATER: |
| 1649 |
|
|
return 0x8; |
| 1650 |
|
|
|
| 1651 |
|
|
case SLJIT_C_LESS_EQUAL: |
| 1652 |
|
|
case SLJIT_C_FLOAT_LESS_EQUAL: |
| 1653 |
|
|
return 0x9; |
| 1654 |
|
|
|
| 1655 |
|
|
case SLJIT_C_SIG_LESS: |
| 1656 |
|
|
return 0xb; |
| 1657 |
|
|
|
| 1658 |
|
|
case SLJIT_C_SIG_GREATER_EQUAL: |
| 1659 |
|
|
return 0xa; |
| 1660 |
|
|
|
| 1661 |
|
|
case SLJIT_C_SIG_GREATER: |
| 1662 |
|
|
return 0xc; |
| 1663 |
|
|
|
| 1664 |
|
|
case SLJIT_C_SIG_LESS_EQUAL: |
| 1665 |
|
|
return 0xd; |
| 1666 |
|
|
|
| 1667 |
|
|
case SLJIT_C_OVERFLOW: |
| 1668 |
|
|
case SLJIT_C_FLOAT_NAN: |
| 1669 |
|
|
return 0x6; |
| 1670 |
|
|
|
| 1671 |
|
|
case SLJIT_C_NOT_OVERFLOW: |
| 1672 |
|
|
case SLJIT_C_FLOAT_NOT_NAN: |
| 1673 |
|
|
return 0x7; |
| 1674 |
|
|
|
| 1675 |
|
|
default: /* SLJIT_JUMP */ |
| 1676 |
|
|
return 0xe; |
| 1677 |
|
|
} |
| 1678 |
|
|
} |
| 1679 |
|
|
|
| 1680 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler) |
| 1681 |
ph10 |
662 |
{ |
| 1682 |
|
|
struct sljit_label *label; |
| 1683 |
|
|
|
| 1684 |
|
|
CHECK_ERROR_PTR(); |
| 1685 |
|
|
check_sljit_emit_label(compiler); |
| 1686 |
|
|
|
| 1687 |
|
|
if (compiler->last_label && compiler->last_label->size == compiler->size) |
| 1688 |
|
|
return compiler->last_label; |
| 1689 |
|
|
|
| 1690 |
|
|
label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label)); |
| 1691 |
|
|
PTR_FAIL_IF(!label); |
| 1692 |
|
|
set_label(label, compiler); |
| 1693 |
|
|
return label; |
| 1694 |
|
|
} |
| 1695 |
|
|
|
| 1696 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, int type) |
| 1697 |
ph10 |
662 |
{ |
| 1698 |
|
|
struct sljit_jump *jump; |
| 1699 |
|
|
int cc; |
| 1700 |
|
|
|
| 1701 |
|
|
CHECK_ERROR_PTR(); |
| 1702 |
|
|
check_sljit_emit_jump(compiler, type); |
| 1703 |
|
|
|
| 1704 |
|
|
jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); |
| 1705 |
|
|
PTR_FAIL_IF(!jump); |
| 1706 |
|
|
set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP); |
| 1707 |
|
|
type &= 0xff; |
| 1708 |
|
|
|
| 1709 |
|
|
/* In ARM, we don't need to touch the arguments. */ |
| 1710 |
|
|
PTR_FAIL_IF(emit_imm32_const(compiler, TMP_REG1, 0)); |
| 1711 |
|
|
if (type < SLJIT_JUMP) { |
| 1712 |
|
|
jump->flags |= IS_CONDITIONAL; |
| 1713 |
|
|
cc = get_cc(type); |
| 1714 |
|
|
jump->flags |= cc << 8; |
| 1715 |
|
|
PTR_FAIL_IF(push_inst16(compiler, IT | (cc << 4) | 0x8)); |
| 1716 |
|
|
} |
| 1717 |
|
|
|
| 1718 |
|
|
jump->addr = compiler->size; |
| 1719 |
|
|
if (type <= SLJIT_JUMP) |
| 1720 |
|
|
PTR_FAIL_IF(push_inst16(compiler, BX | RN3(TMP_REG1))); |
| 1721 |
|
|
else { |
| 1722 |
|
|
jump->flags |= IS_BL; |
| 1723 |
|
|
PTR_FAIL_IF(push_inst16(compiler, BLX | RN3(TMP_REG1))); |
| 1724 |
|
|
} |
| 1725 |
|
|
|
| 1726 |
|
|
return jump; |
| 1727 |
|
|
} |
| 1728 |
|
|
|
| 1729 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_ijump(struct sljit_compiler *compiler, int type, int src, sljit_w srcw) |
| 1730 |
ph10 |
662 |
{ |
| 1731 |
|
|
struct sljit_jump *jump; |
| 1732 |
|
|
|
| 1733 |
|
|
CHECK_ERROR(); |
| 1734 |
|
|
check_sljit_emit_ijump(compiler, type, src, srcw); |
| 1735 |
|
|
|
| 1736 |
|
|
/* In ARM, we don't need to touch the arguments. */ |
| 1737 |
|
|
if (src & SLJIT_IMM) { |
| 1738 |
|
|
jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump)); |
| 1739 |
|
|
FAIL_IF(!jump); |
| 1740 |
zherczeg |
722 |
set_jump(jump, compiler, JUMP_ADDR | ((type >= SLJIT_FAST_CALL) ? IS_BL : 0)); |
| 1741 |
ph10 |
662 |
jump->u.target = srcw; |
| 1742 |
|
|
|
| 1743 |
|
|
FAIL_IF(emit_imm32_const(compiler, TMP_REG1, 0)); |
| 1744 |
|
|
jump->addr = compiler->size; |
| 1745 |
zherczeg |
722 |
FAIL_IF(push_inst16(compiler, (type <= SLJIT_JUMP ? BX : BLX) | RN3(TMP_REG1))); |
| 1746 |
ph10 |
662 |
} |
| 1747 |
|
|
else { |
| 1748 |
zherczeg |
722 |
if (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_NO_REGISTERS) |
| 1749 |
|
|
return push_inst16(compiler, (type <= SLJIT_JUMP ? BX : BLX) | RN3(src)); |
| 1750 |
ph10 |
662 |
|
| 1751 |
|
|
FAIL_IF(emit_op_mem(compiler, WORD_SIZE, type <= SLJIT_JUMP ? TMP_PC : TMP_REG1, src, srcw)); |
| 1752 |
zherczeg |
722 |
if (type >= SLJIT_FAST_CALL) |
| 1753 |
ph10 |
662 |
return push_inst16(compiler, BLX | RN3(TMP_REG1)); |
| 1754 |
|
|
} |
| 1755 |
|
|
return SLJIT_SUCCESS; |
| 1756 |
|
|
} |
| 1757 |
|
|
|
| 1758 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_cond_value(struct sljit_compiler *compiler, int op, int dst, sljit_w dstw, int type) |
| 1759 |
ph10 |
662 |
{ |
| 1760 |
|
|
int dst_r; |
| 1761 |
|
|
sljit_uw cc; |
| 1762 |
|
|
|
| 1763 |
|
|
CHECK_ERROR(); |
| 1764 |
|
|
check_sljit_emit_cond_value(compiler, op, dst, dstw, type); |
| 1765 |
|
|
|
| 1766 |
|
|
if (dst == SLJIT_UNUSED) |
| 1767 |
|
|
return SLJIT_SUCCESS; |
| 1768 |
|
|
|
| 1769 |
|
|
cc = get_cc(type); |
| 1770 |
|
|
if (GET_OPCODE(op) == SLJIT_OR && dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) { |
| 1771 |
|
|
FAIL_IF(push_inst16(compiler, IT | (cc << 4) | 0x8)); |
| 1772 |
|
|
FAIL_IF(push_inst32(compiler, ORRI | RN4(dst) | RD4(dst) | 0x1)); |
| 1773 |
|
|
if (op & SLJIT_SET_E) { |
| 1774 |
|
|
if (reg_map[dst] <= 7) |
| 1775 |
|
|
return push_inst16(compiler, ORRS | RD3(dst) | RN3(dst)); |
| 1776 |
|
|
return push_inst32(compiler, ORR_W | SET_FLAGS | RD4(TMP_REG1) | RN4(dst) | RM4(dst)); |
| 1777 |
|
|
} |
| 1778 |
|
|
return SLJIT_SUCCESS; |
| 1779 |
|
|
} |
| 1780 |
|
|
|
| 1781 |
|
|
dst_r = TMP_REG2; |
| 1782 |
|
|
if (op == SLJIT_MOV && dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS && reg_map[dst] <= 7) |
| 1783 |
|
|
dst_r = dst; |
| 1784 |
|
|
|
| 1785 |
|
|
FAIL_IF(push_inst16(compiler, IT | (cc << 4) | (((cc & 0x1) ^ 0x1) << 3) | 0x4)); |
| 1786 |
|
|
FAIL_IF(push_inst16(compiler, MOVSI | 0x1 | RDN3(dst_r))); |
| 1787 |
|
|
FAIL_IF(push_inst16(compiler, MOVSI | 0x0 | RDN3(dst_r))); |
| 1788 |
|
|
|
| 1789 |
|
|
if (dst_r == TMP_REG2) { |
| 1790 |
|
|
if (GET_OPCODE(op) == SLJIT_OR) { |
| 1791 |
|
|
#if (defined SLJIT_VERBOSE && SLJIT_VERBOSE) || (defined SLJIT_DEBUG && SLJIT_DEBUG) |
| 1792 |
|
|
compiler->skip_checks = 1; |
| 1793 |
|
|
#endif |
| 1794 |
|
|
return sljit_emit_op2(compiler, op, dst, dstw, dst, dstw, TMP_REG2, 0); |
| 1795 |
|
|
} |
| 1796 |
|
|
if (dst & SLJIT_MEM) |
| 1797 |
|
|
return emit_op_mem(compiler, WORD_SIZE | STORE, TMP_REG2, dst, dstw); |
| 1798 |
|
|
else |
| 1799 |
|
|
return push_inst16(compiler, MOV | SET_REGS44(dst, TMP_REG2)); |
| 1800 |
|
|
} |
| 1801 |
|
|
|
| 1802 |
|
|
return SLJIT_SUCCESS; |
| 1803 |
|
|
} |
| 1804 |
|
|
|
| 1805 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, int dst, sljit_w dstw, sljit_w init_value) |
| 1806 |
ph10 |
662 |
{ |
| 1807 |
|
|
struct sljit_const *const_; |
| 1808 |
|
|
int dst_r; |
| 1809 |
|
|
|
| 1810 |
|
|
CHECK_ERROR_PTR(); |
| 1811 |
|
|
check_sljit_emit_const(compiler, dst, dstw, init_value); |
| 1812 |
|
|
|
| 1813 |
|
|
const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const)); |
| 1814 |
|
|
PTR_FAIL_IF(!const_); |
| 1815 |
|
|
set_const(const_, compiler); |
| 1816 |
|
|
|
| 1817 |
|
|
dst_r = (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG1; |
| 1818 |
|
|
PTR_FAIL_IF(emit_imm32_const(compiler, dst_r, init_value)); |
| 1819 |
|
|
|
| 1820 |
|
|
if (dst & SLJIT_MEM) |
| 1821 |
|
|
PTR_FAIL_IF(emit_op_mem(compiler, WORD_SIZE | STORE, dst_r, dst, dstw)); |
| 1822 |
|
|
return const_; |
| 1823 |
|
|
} |
| 1824 |
|
|
|
| 1825 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr) |
| 1826 |
ph10 |
662 |
{ |
| 1827 |
|
|
inline_set_jump_addr(addr, new_addr, 1); |
| 1828 |
|
|
} |
| 1829 |
|
|
|
| 1830 |
zherczeg |
740 |
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_w new_constant) |
| 1831 |
ph10 |
662 |
{ |
| 1832 |
|
|
sljit_uh* inst = (sljit_uh*)addr; |
| 1833 |
|
|
modify_imm32_const(inst, new_constant); |
| 1834 |
|
|
SLJIT_CACHE_FLUSH(inst, inst + 3); |
| 1835 |
|
|
} |
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