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/*
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* Stack-less Just-In-Time compiler
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*
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* Copyright 2009-2010 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
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*
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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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SLJIT_API_FUNC_ATTRIBUTE SLJIT_CONST char* sljit_get_platform_name()
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{
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#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
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return "ppc-32";
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#else
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return "ppc-64";
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#endif
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}
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/* Length of an instruction word.
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Both for ppc-32 and ppc-64. */
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typedef sljit_ui sljit_ins;
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static void ppc_cache_flush(sljit_ins *from, sljit_ins *to)
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{
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while (from < to) {
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#ifdef __GNUC__
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asm volatile ( "icbi 0, %0" : : "r"(from) );
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#else
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#error "Must implement icbi"
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#endif
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from++;
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}
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}
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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 ZERO_REG (SLJIT_NO_REGISTERS + 4)
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#define REAL_STACK_PTR (SLJIT_NO_REGISTERS + 5)
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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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/* --------------------------------------------------------------------- */
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/* Instrucion forms */
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/* --------------------------------------------------------------------- */
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#define D(d) (reg_map[d] << 21)
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#define S(s) (reg_map[s] << 21)
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#define A(a) (reg_map[a] << 16)
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#define B(b) (reg_map[b] << 11)
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#define C(c) (reg_map[c] << 6)
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#define FD(fd) ((fd) << 21)
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#define FA(fa) ((fa) << 16)
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#define FB(fb) ((fb) << 11)
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#define FC(fc) ((fc) << 6)
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#define IMM(imm) ((imm) & 0xffff)
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#define CRD(d) ((d) << 21)
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/* Instruction bit sections.
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OE and Rc flag (see ALT_SET_FLAGS). */
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#define OERC(flags) (((flags & ALT_SET_FLAGS) >> 15) | ((flags & ALT_SET_FLAGS) >> 5))
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/* Rc flag (see ALT_SET_FLAGS). */
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#define RC(flags) ((flags & ALT_SET_FLAGS) >> 15)
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#define HI(opcode) ((opcode) << 26)
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#define LO(opcode) ((opcode) << 1)
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#define ADD (HI(31) | LO(266))
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#define ADDC (HI(31) | LO(10))
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#define ADDE (HI(31) | LO(138))
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#define ADDI (HI(14))
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#define ADDIC (HI(13))
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#define ADDIS (HI(15))
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#define ADDME (HI(31) | LO(234))
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#define AND (HI(31) | LO(28))
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#define ANDI (HI(28))
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#define ANDIS (HI(29))
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#define Bx (HI(18))
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#define BCx (HI(16))
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#define BCCTR (HI(19) | LO(528) | (3 << 11))
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#define BLR (HI(19) | LO(16) | (0x14 << 21))
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#define CNTLZD (HI(31) | LO(58))
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#define CNTLZW (HI(31) | LO(26))
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#define CMPI (HI(11))
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#define CMPL (HI(31) | LO(32))
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#define CMPLI (HI(10))
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#define CROR (HI(19) | LO(449))
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#define EXTSB (HI(31) | LO(954))
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#define EXTSH (HI(31) | LO(922))
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#define EXTSW (HI(31) | LO(986))
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#define FABS (HI(63) | LO(264))
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#define FADD (HI(63) | LO(21))
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#define FCMPU (HI(63) | LO(0))
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#define FDIV (HI(63) | LO(18))
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#define FMR (HI(63) | LO(72))
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#define FMUL (HI(63) | LO(25))
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#define FNEG (HI(63) | LO(40))
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#define FSUB (HI(63) | LO(20))
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#define LD (HI(58) | 0)
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#define LFD (HI(50))
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#define LFDUX (HI(31) | LO(631))
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#define LFDX (HI(31) | LO(599))
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#define LWZ (HI(32))
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#define MFCR (HI(31) | LO(19))
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#define MFLR (HI(31) | LO(339) | 0x80000)
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#define MFXER (HI(31) | LO(339) | 0x10000)
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#define MTCTR (HI(31) | LO(467) | 0x90000)
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#define MTLR (HI(31) | LO(467) | 0x80000)
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#define MTXER (HI(31) | LO(467) | 0x10000)
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#define MULLD (HI(31) | LO(233))
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#define MULLI (HI(7))
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#define MULLW (HI(31) | LO(235))
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#define NEG (HI(31) | LO(104))
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#define NOP (HI(24))
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#define NOR (HI(31) | LO(124))
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#define OR (HI(31) | LO(444))
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#define ORI (HI(24))
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#define ORIS (HI(25))
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#define RLDICL (HI(30))
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#define RLWINM (HI(21))
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#define SLD (HI(31) | LO(27))
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#define SLW (HI(31) | LO(24))
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#define SRAD (HI(31) | LO(794))
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#define SRADI (HI(31) | LO(413 << 1))
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#define SRAW (HI(31) | LO(792))
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#define SRAWI (HI(31) | LO(824))
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#define SRD (HI(31) | LO(539))
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#define SRW (HI(31) | LO(536))
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#define STD (HI(62) | 0)
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#define STDU (HI(62) | 1)
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#define STDUX (HI(31) | LO(181))
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#define STFD (HI(54))
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#define STFDUX (HI(31) | LO(759))
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#define STFDX (HI(31) | LO(727))
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#define STW (HI(36))
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#define STWU (HI(37))
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#define STWUX (HI(31) | LO(183))
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#define SUBF (HI(31) | LO(40))
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#define SUBFC (HI(31) | LO(8))
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#define SUBFE (HI(31) | LO(136))
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#define SUBFIC (HI(8))
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#define XOR (HI(31) | LO(316))
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#define XORI (HI(26))
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#define XORIS (HI(27))
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#define SIMM_MAX (0x7fff)
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#define SIMM_MIN (-0x8000)
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#define UIMM_MAX (0xffff)
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/* SLJIT_LOCALS_REG is not the real stack register, since it must
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point to the head of the stack chain. */
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static SLJIT_CONST sljit_ub reg_map[SLJIT_NO_REGISTERS + 6] = {
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0, 3, 4, 5, 6, 7, 29, 28, 27, 26, 25, 31, 8, 9, 10, 30, 1
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};
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static int push_inst(struct sljit_compiler *compiler, sljit_ins ins)
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{
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sljit_ins *ptr = (sljit_ins*)ensure_buf(compiler, sizeof(sljit_ins));
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FAIL_IF(!ptr);
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*ptr = ins;
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compiler->size++;
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return SLJIT_SUCCESS;
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}
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static SLJIT_INLINE int optimize_jump(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code)
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{
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sljit_w diff;
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sljit_uw target_addr;
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if (jump->flags & SLJIT_REWRITABLE_JUMP)
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return 0;
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if (jump->flags & JUMP_ADDR)
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target_addr = jump->u.target;
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else {
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SLJIT_ASSERT(jump->flags & JUMP_LABEL);
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target_addr = (sljit_uw)(code + jump->u.label->size);
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}
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diff = ((sljit_w)target_addr - (sljit_w)(code_ptr)) & ~0x3l;
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if (jump->flags & UNCOND_B) {
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if (diff <= 0x01ffffff && diff >= -0x02000000) {
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jump->flags |= PATCH_B;
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return 1;
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}
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if (target_addr <= 0x03ffffff) {
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jump->flags |= PATCH_B | ABSOLUTE_B;
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return 1;
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}
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}
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else {
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if (diff <= 0x7fff && diff >= -0x8000) {
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jump->flags |= PATCH_B;
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return 1;
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}
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if (target_addr <= 0xffff) {
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jump->flags |= PATCH_B | ABSOLUTE_B;
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return 1;
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}
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}
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return 0;
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}
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SLJIT_API_FUNC_ATTRIBUTE void* sljit_generate_code(struct sljit_compiler *compiler)
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{
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struct sljit_memory_fragment *buf;
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sljit_ins *code;
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sljit_ins *code_ptr;
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sljit_ins *buf_ptr;
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sljit_ins *buf_end;
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sljit_uw word_count;
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sljit_uw addr;
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struct sljit_label *label;
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struct sljit_jump *jump;
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struct sljit_const *const_;
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CHECK_ERROR_PTR();
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check_sljit_generate_code(compiler);
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reverse_buf(compiler);
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#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
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compiler->size += (compiler->size & 0x1) + (sizeof(struct sljit_function_context) / sizeof(sljit_ins));
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#endif
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code = (sljit_ins*)SLJIT_MALLOC_EXEC(compiler->size * sizeof(sljit_ins));
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PTR_FAIL_WITH_EXEC_IF(code);
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buf = compiler->buf;
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code_ptr = code;
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word_count = 0;
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label = compiler->labels;
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jump = compiler->jumps;
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const_ = compiler->consts;
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do {
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buf_ptr = (sljit_ins*)buf->memory;
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buf_end = buf_ptr + (buf->used_size >> 2);
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do {
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*code_ptr = *buf_ptr++;
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SLJIT_ASSERT(!label || label->size >= word_count);
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SLJIT_ASSERT(!jump || jump->addr >= word_count);
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SLJIT_ASSERT(!const_ || const_->addr >= word_count);
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/* These structures are ordered by their address. */
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if (label && label->size == word_count) {
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/* Just recording the address. */
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label->addr = (sljit_uw)code_ptr;
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label->size = code_ptr - code;
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label = label->next;
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}
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if (jump && jump->addr == word_count) {
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#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
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jump->addr = (sljit_uw)(code_ptr - 3);
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#else
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jump->addr = (sljit_uw)(code_ptr - 6);
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#endif
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if (optimize_jump(jump, code_ptr, code)) {
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#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
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code_ptr[-3] = code_ptr[0];
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code_ptr -= 3;
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#else
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| 276 |
code_ptr[-6] = code_ptr[0];
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code_ptr -= 6;
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#endif
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}
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jump = jump->next;
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}
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| 282 |
if (const_ && const_->addr == word_count) {
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/* Just recording the address. */
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const_->addr = (sljit_uw)code_ptr;
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const_ = const_->next;
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}
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code_ptr ++;
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word_count ++;
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} while (buf_ptr < buf_end);
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| 290 |
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buf = buf->next;
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} while (buf);
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| 293 |
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| 294 |
if (label && label->size == word_count) {
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label->addr = (sljit_uw)code_ptr;
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label->size = code_ptr - code;
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label = label->next;
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}
|
| 299 |
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SLJIT_ASSERT(!label);
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| 301 |
SLJIT_ASSERT(!jump);
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| 302 |
SLJIT_ASSERT(!const_);
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| 303 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
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| 304 |
SLJIT_ASSERT(code_ptr - code <= (int)compiler->size - ((compiler->size & 0x1) ? 3 : 2));
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| 305 |
#else
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| 306 |
SLJIT_ASSERT(code_ptr - code <= (int)compiler->size);
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| 307 |
#endif
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| 308 |
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jump = compiler->jumps;
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| 310 |
while (jump) {
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do {
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| 312 |
addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
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buf_ptr = (sljit_ins*)jump->addr;
|
| 314 |
if (jump->flags & PATCH_B) {
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| 315 |
if (jump->flags & UNCOND_B) {
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| 316 |
if (!(jump->flags & ABSOLUTE_B)) {
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addr = addr - jump->addr;
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| 318 |
SLJIT_ASSERT((sljit_w)addr <= 0x01ffffff && (sljit_w)addr >= -0x02000000);
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| 319 |
*buf_ptr = Bx | (addr & 0x03fffffc) | ((*buf_ptr) & 0x1);
|
| 320 |
}
|
| 321 |
else {
|
| 322 |
SLJIT_ASSERT(addr <= 0x03ffffff);
|
| 323 |
*buf_ptr = Bx | (addr & 0x03fffffc) | 0x2 | ((*buf_ptr) & 0x1);
|
| 324 |
}
|
| 325 |
}
|
| 326 |
else {
|
| 327 |
if (!(jump->flags & ABSOLUTE_B)) {
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| 328 |
addr = addr - jump->addr;
|
| 329 |
SLJIT_ASSERT((sljit_w)addr <= 0x7fff && (sljit_w)addr >= -0x8000);
|
| 330 |
*buf_ptr = BCx | (addr & 0xfffc) | ((*buf_ptr) & 0x03ff0001);
|
| 331 |
}
|
| 332 |
else {
|
| 333 |
addr = addr & ~0x3l;
|
| 334 |
SLJIT_ASSERT(addr <= 0xffff);
|
| 335 |
*buf_ptr = BCx | (addr & 0xfffc) | 0x2 | ((*buf_ptr) & 0x03ff0001);
|
| 336 |
}
|
| 337 |
|
| 338 |
}
|
| 339 |
break;
|
| 340 |
}
|
| 341 |
/* Set the fields of immediate loads. */
|
| 342 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
|
| 343 |
buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 16) & 0xffff);
|
| 344 |
buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | (addr & 0xffff);
|
| 345 |
#else
|
| 346 |
buf_ptr[0] = (buf_ptr[0] & 0xffff0000) | ((addr >> 48) & 0xffff);
|
| 347 |
buf_ptr[1] = (buf_ptr[1] & 0xffff0000) | ((addr >> 32) & 0xffff);
|
| 348 |
buf_ptr[3] = (buf_ptr[3] & 0xffff0000) | ((addr >> 16) & 0xffff);
|
| 349 |
buf_ptr[4] = (buf_ptr[4] & 0xffff0000) | (addr & 0xffff);
|
| 350 |
#endif
|
| 351 |
} while (0);
|
| 352 |
jump = jump->next;
|
| 353 |
}
|
| 354 |
|
| 355 |
SLJIT_CACHE_FLUSH(code, code_ptr);
|
| 356 |
compiler->error = SLJIT_ERR_COMPILED;
|
| 357 |
compiler->executable_size = compiler->size * sizeof(sljit_ins);
|
| 358 |
|
| 359 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|
| 360 |
if (((sljit_w)code_ptr) & 0x4)
|
| 361 |
code_ptr++;
|
| 362 |
sljit_set_function_context(NULL, (struct sljit_function_context*)code_ptr, (sljit_w)code, sljit_generate_code);
|
| 363 |
return code_ptr;
|
| 364 |
#else
|
| 365 |
return code;
|
| 366 |
#endif
|
| 367 |
}
|
| 368 |
|
| 369 |
/* inp_flags: */
|
| 370 |
|
| 371 |
/* Creates an index in data_transfer_insts array. */
|
| 372 |
#define WORD_DATA 0x00
|
| 373 |
#define BYTE_DATA 0x01
|
| 374 |
#define HALF_DATA 0x02
|
| 375 |
#define INT_DATA 0x03
|
| 376 |
#define SIGNED_DATA 0x04
|
| 377 |
#define LOAD_DATA 0x08
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| 378 |
#define WRITE_BACK 0x10
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| 379 |
#define INDEXED 0x20
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| 380 |
|
| 381 |
#define MEM_MASK 0x3f
|
| 382 |
|
| 383 |
/* Other inp_flags. */
|
| 384 |
|
| 385 |
#define ARG_TEST 0x0100
|
| 386 |
#define ALT_FORM1 0x0200
|
| 387 |
#define ALT_FORM2 0x0400
|
| 388 |
#define ALT_FORM3 0x0800
|
| 389 |
#define ALT_FORM4 0x1000
|
| 390 |
#define ALT_FORM5 0x2000
|
| 391 |
/* Integer opertion and set flags -> requires exts on 64 bit systems. */
|
| 392 |
#define ALT_SIGN_EXT 0x4000
|
| 393 |
/* This flag affects the RC() and OERC() macros. */
|
| 394 |
#define ALT_SET_FLAGS 0x8000
|
| 395 |
|
| 396 |
/* Source and destination is register. */
|
| 397 |
#define REG_DEST 0x0001
|
| 398 |
#define REG1_SOURCE 0x0002
|
| 399 |
#define REG2_SOURCE 0x0004
|
| 400 |
/* getput_arg_fast returned true. */
|
| 401 |
#define FAST_DEST 0x0008
|
| 402 |
/* Multiple instructions are required. */
|
| 403 |
#define SLOW_DEST 0x0010
|
| 404 |
/* ALT_FORM1 0x0200
|
| 405 |
ALT_FORM2 0x0400
|
| 406 |
ALT_FORM3 0x0800
|
| 407 |
ALT_FORM4 0x1000
|
| 408 |
ALT_FORM5 0x2000
|
| 409 |
ALT_SIGN_EXT 0x4000
|
| 410 |
ALT_SET_FLAGS 0x8000 */
|
| 411 |
|
| 412 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
|
| 413 |
#include "sljitNativePPC_32.c"
|
| 414 |
#else
|
| 415 |
#include "sljitNativePPC_64.c"
|
| 416 |
#endif
|
| 417 |
|
| 418 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
|
| 419 |
#define STACK_STORE STW
|
| 420 |
#define STACK_LOAD LWZ
|
| 421 |
#else
|
| 422 |
#define STACK_STORE STD
|
| 423 |
#define STACK_LOAD LD
|
| 424 |
#endif
|
| 425 |
|
| 426 |
static int emit_op(struct sljit_compiler *compiler, int op, int inp_flags,
|
| 427 |
int dst, sljit_w dstw,
|
| 428 |
int src1, sljit_w src1w,
|
| 429 |
int src2, sljit_w src2w);
|
| 430 |
|
| 431 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
|
| 432 |
{
|
| 433 |
CHECK_ERROR();
|
| 434 |
check_sljit_emit_enter(compiler, args, temporaries, generals, local_size);
|
| 435 |
|
| 436 |
compiler->temporaries = temporaries;
|
| 437 |
compiler->generals = generals;
|
| 438 |
compiler->has_locals = local_size > 0;
|
| 439 |
|
| 440 |
FAIL_IF(push_inst(compiler, MFLR | D(0)));
|
| 441 |
if (compiler->has_locals)
|
| 442 |
FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM(-(int)(sizeof(sljit_w))) ));
|
| 443 |
FAIL_IF(push_inst(compiler, STACK_STORE | S(ZERO_REG) | A(REAL_STACK_PTR) | IMM(-2 * (int)(sizeof(sljit_w))) ));
|
| 444 |
if (generals >= 1)
|
| 445 |
FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_GENERAL_REG1) | A(REAL_STACK_PTR) | IMM(-3 * (int)(sizeof(sljit_w))) ));
|
| 446 |
if (generals >= 2)
|
| 447 |
FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_GENERAL_REG2) | A(REAL_STACK_PTR) | IMM(-4 * (int)(sizeof(sljit_w))) ));
|
| 448 |
if (generals >= 3)
|
| 449 |
FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_GENERAL_REG3) | A(REAL_STACK_PTR) | IMM(-5 * (int)(sizeof(sljit_w))) ));
|
| 450 |
if (generals >= 4)
|
| 451 |
FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_GENERAL_EREG1) | A(REAL_STACK_PTR) | IMM(-6 * (int)(sizeof(sljit_w))) ));
|
| 452 |
if (generals >= 5)
|
| 453 |
FAIL_IF(push_inst(compiler, STACK_STORE | S(SLJIT_GENERAL_EREG2) | A(REAL_STACK_PTR) | IMM(-7 * (int)(sizeof(sljit_w))) ));
|
| 454 |
FAIL_IF(push_inst(compiler, STACK_STORE | S(0) | A(REAL_STACK_PTR) | IMM(sizeof(sljit_w)) ));
|
| 455 |
|
| 456 |
FAIL_IF(push_inst(compiler, ADDI | D(ZERO_REG) | A(0) | 0));
|
| 457 |
if (args >= 1)
|
| 458 |
FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG1) | A(SLJIT_GENERAL_REG1) | B(SLJIT_TEMPORARY_REG1)));
|
| 459 |
if (args >= 2)
|
| 460 |
FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG2) | A(SLJIT_GENERAL_REG2) | B(SLJIT_TEMPORARY_REG2)));
|
| 461 |
if (args >= 3)
|
| 462 |
FAIL_IF(push_inst(compiler, OR | S(SLJIT_TEMPORARY_REG3) | A(SLJIT_GENERAL_REG3) | B(SLJIT_TEMPORARY_REG3)));
|
| 463 |
|
| 464 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
|
| 465 |
compiler->local_size = (2 + generals + 2) * sizeof(sljit_w) + local_size;
|
| 466 |
#else
|
| 467 |
compiler->local_size = (2 + generals + 7 + 8) * sizeof(sljit_w) + local_size;
|
| 468 |
#endif
|
| 469 |
compiler->local_size = (compiler->local_size + 15) & ~0xf;
|
| 470 |
|
| 471 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
|
| 472 |
if (compiler->local_size <= SIMM_MAX)
|
| 473 |
FAIL_IF(push_inst(compiler, STWU | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | IMM(-compiler->local_size)));
|
| 474 |
else {
|
| 475 |
FAIL_IF(load_immediate(compiler, 0, -compiler->local_size));
|
| 476 |
FAIL_IF(push_inst(compiler, STWUX | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | B(0)));
|
| 477 |
}
|
| 478 |
if (compiler->has_locals)
|
| 479 |
FAIL_IF(push_inst(compiler, ADDI | D(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM(2 * sizeof(sljit_w))));
|
| 480 |
#else
|
| 481 |
if (compiler->local_size <= SIMM_MAX)
|
| 482 |
FAIL_IF(push_inst(compiler, STDU | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | IMM(-compiler->local_size)));
|
| 483 |
else {
|
| 484 |
FAIL_IF(load_immediate(compiler, 0, -compiler->local_size));
|
| 485 |
FAIL_IF(push_inst(compiler, STDUX | S(REAL_STACK_PTR) | A(REAL_STACK_PTR) | B(0)));
|
| 486 |
}
|
| 487 |
if (compiler->has_locals)
|
| 488 |
FAIL_IF(push_inst(compiler, ADDI | D(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM((7 + 8) * sizeof(sljit_w))));
|
| 489 |
#endif
|
| 490 |
|
| 491 |
return SLJIT_SUCCESS;
|
| 492 |
}
|
| 493 |
|
| 494 |
SLJIT_API_FUNC_ATTRIBUTE void sljit_fake_enter(struct sljit_compiler *compiler, int args, int temporaries, int generals, int local_size)
|
| 495 |
{
|
| 496 |
CHECK_ERROR_VOID();
|
| 497 |
check_sljit_fake_enter(compiler, args, temporaries, generals, local_size);
|
| 498 |
|
| 499 |
compiler->temporaries = temporaries;
|
| 500 |
compiler->generals = generals;
|
| 501 |
|
| 502 |
compiler->has_locals = local_size > 0;
|
| 503 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
|
| 504 |
compiler->local_size = (2 + generals + 2) * sizeof(sljit_w) + local_size;
|
| 505 |
#else
|
| 506 |
compiler->local_size = (2 + generals + 7 + 8) * sizeof(sljit_w) + local_size;
|
| 507 |
#endif
|
| 508 |
compiler->local_size = (compiler->local_size + 15) & ~0xf;
|
| 509 |
}
|
| 510 |
|
| 511 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
|
| 512 |
{
|
| 513 |
CHECK_ERROR();
|
| 514 |
check_sljit_emit_return(compiler, src, srcw);
|
| 515 |
|
| 516 |
if (src != SLJIT_UNUSED && src != SLJIT_RETURN_REG)
|
| 517 |
FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, SLJIT_RETURN_REG, 0, TMP_REG1, 0, src, srcw));
|
| 518 |
|
| 519 |
if (compiler->local_size <= SIMM_MAX)
|
| 520 |
FAIL_IF(push_inst(compiler, ADDI | D(REAL_STACK_PTR) | A(REAL_STACK_PTR) | IMM(compiler->local_size)));
|
| 521 |
else {
|
| 522 |
FAIL_IF(load_immediate(compiler, 0, compiler->local_size));
|
| 523 |
FAIL_IF(push_inst(compiler, ADD | D(REAL_STACK_PTR) | A(REAL_STACK_PTR) | B(0)));
|
| 524 |
}
|
| 525 |
|
| 526 |
FAIL_IF(push_inst(compiler, STACK_LOAD | D(0) | A(REAL_STACK_PTR) | IMM(sizeof(sljit_w))));
|
| 527 |
if (compiler->generals >= 5)
|
| 528 |
FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_GENERAL_EREG2) | A(REAL_STACK_PTR) | IMM(-7 * (int)(sizeof(sljit_w))) ));
|
| 529 |
if (compiler->generals >= 4)
|
| 530 |
FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_GENERAL_EREG1) | A(REAL_STACK_PTR) | IMM(-6 * (int)(sizeof(sljit_w))) ));
|
| 531 |
if (compiler->generals >= 3)
|
| 532 |
FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_GENERAL_REG3) | A(REAL_STACK_PTR) | IMM(-5 * (int)(sizeof(sljit_w))) ));
|
| 533 |
if (compiler->generals >= 2)
|
| 534 |
FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_GENERAL_REG2) | A(REAL_STACK_PTR) | IMM(-4 * (int)(sizeof(sljit_w))) ));
|
| 535 |
if (compiler->generals >= 1)
|
| 536 |
FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_GENERAL_REG1) | A(REAL_STACK_PTR) | IMM(-3 * (int)(sizeof(sljit_w))) ));
|
| 537 |
FAIL_IF(push_inst(compiler, STACK_LOAD | D(ZERO_REG) | A(REAL_STACK_PTR) | IMM(-2 * (int)(sizeof(sljit_w))) ));
|
| 538 |
if (compiler->has_locals)
|
| 539 |
FAIL_IF(push_inst(compiler, STACK_LOAD | D(SLJIT_LOCALS_REG) | A(REAL_STACK_PTR) | IMM(-(int)(sizeof(sljit_w))) ));
|
| 540 |
|
| 541 |
FAIL_IF(push_inst(compiler, MTLR | S(0)));
|
| 542 |
FAIL_IF(push_inst(compiler, BLR));
|
| 543 |
|
| 544 |
return SLJIT_SUCCESS;
|
| 545 |
}
|
| 546 |
|
| 547 |
#undef STACK_STORE
|
| 548 |
#undef STACK_LOAD
|
| 549 |
|
| 550 |
/* --------------------------------------------------------------------- */
|
| 551 |
/* Operators */
|
| 552 |
/* --------------------------------------------------------------------- */
|
| 553 |
|
| 554 |
/* i/x - immediate/indexed form
|
| 555 |
n/w - no write-back / write-back (1 bit)
|
| 556 |
s/l - store/load (1 bit)
|
| 557 |
u/s - signed/unsigned (1 bit)
|
| 558 |
w/b/h/i - word/byte/half/int allowed (2 bit)
|
| 559 |
It contans 32 items, but not all are different. */
|
| 560 |
|
| 561 |
/* 64 bit only: [reg+imm] must be aligned to 4 bytes. */
|
| 562 |
#define ADDR_MODE2 0x10000
|
| 563 |
/* 64-bit only: there is no lwau instruction. */
|
| 564 |
#define UPDATE_REQ 0x20000
|
| 565 |
|
| 566 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
|
| 567 |
#define ARCH_DEPEND(a, b) a
|
| 568 |
#define GET_INST_CODE(inst) (inst)
|
| 569 |
#else
|
| 570 |
#define ARCH_DEPEND(a, b) b
|
| 571 |
#define GET_INST_CODE(index) ((inst) & ~(ADDR_MODE2 | UPDATE_REQ))
|
| 572 |
#endif
|
| 573 |
|
| 574 |
static SLJIT_CONST sljit_ins data_transfer_insts[64] = {
|
| 575 |
|
| 576 |
/* No write-back. */
|
| 577 |
|
| 578 |
/* i n s u w */ ARCH_DEPEND(HI(36) /* stw */, HI(62) | ADDR_MODE2 | 0x0 /* std */),
|
| 579 |
/* i n s u b */ HI(38) /* stb */,
|
| 580 |
/* i n s u h */ HI(44) /* sth*/,
|
| 581 |
/* i n s u i */ HI(36) /* stw */,
|
| 582 |
|
| 583 |
/* i n s s w */ ARCH_DEPEND(HI(36) /* stw */, HI(62) | ADDR_MODE2 | 0x0 /* std */),
|
| 584 |
/* i n s s b */ HI(38) /* stb */,
|
| 585 |
/* i n s s h */ HI(44) /* sth*/,
|
| 586 |
/* i n s s i */ HI(36) /* stw */,
|
| 587 |
|
| 588 |
/* i n l u w */ ARCH_DEPEND(HI(32) /* lwz */, HI(58) | ADDR_MODE2 | 0x0 /* ld */),
|
| 589 |
/* i n l u b */ HI(34) /* lbz */,
|
| 590 |
/* i n l u h */ HI(40) /* lhz */,
|
| 591 |
/* i n l u i */ HI(32) /* lwz */,
|
| 592 |
|
| 593 |
/* i n l s w */ ARCH_DEPEND(HI(32) /* lwz */, HI(58) | ADDR_MODE2 | 0x0 /* ld */),
|
| 594 |
/* i n l s b */ HI(34) /* lbz */ /* EXTS_REQ */,
|
| 595 |
/* i n l s h */ HI(42) /* lha */,
|
| 596 |
/* i n l s i */ ARCH_DEPEND(HI(32) /* lwz */, HI(58) | ADDR_MODE2 | 0x2 /* lwa */),
|
| 597 |
|
| 598 |
/* Write-back. */
|
| 599 |
|
| 600 |
/* i w s u w */ ARCH_DEPEND(HI(37) /* stwu */, HI(62) | ADDR_MODE2 | 0x1 /* stdu */),
|
| 601 |
/* i w s u b */ HI(39) /* stbu */,
|
| 602 |
/* i w s u h */ HI(45) /* sthu */,
|
| 603 |
/* i w s u i */ HI(37) /* stwu */,
|
| 604 |
|
| 605 |
/* i w s s w */ ARCH_DEPEND(HI(37) /* stwu */, HI(62) | ADDR_MODE2 | 0x1 /* stdu */),
|
| 606 |
/* i w s s b */ HI(39) /* stbu */,
|
| 607 |
/* i w s s h */ HI(45) /* sthu */,
|
| 608 |
/* i w s s i */ HI(37) /* stwu */,
|
| 609 |
|
| 610 |
/* i w l u w */ ARCH_DEPEND(HI(33) /* lwzu */, HI(58) | ADDR_MODE2 | 0x1 /* ldu */),
|
| 611 |
/* i w l u b */ HI(35) /* lbzu */,
|
| 612 |
/* i w l u h */ HI(41) /* lhzu */,
|
| 613 |
/* i w l u i */ HI(33) /* lwzu */,
|
| 614 |
|
| 615 |
/* i w l s w */ ARCH_DEPEND(HI(33) /* lwzu */, HI(58) | ADDR_MODE2 | 0x1 /* ldu */),
|
| 616 |
/* i w l s b */ HI(35) /* lbzu */ /* EXTS_REQ */,
|
| 617 |
/* i w l s h */ HI(43) /* lhau */,
|
| 618 |
/* i w l s i */ ARCH_DEPEND(HI(33) /* lwzu */, HI(58) | ADDR_MODE2 | UPDATE_REQ | 0x2 /* lwa */),
|
| 619 |
|
| 620 |
/* ---------- */
|
| 621 |
/* Indexed */
|
| 622 |
/* ---------- */
|
| 623 |
|
| 624 |
/* No write-back. */
|
| 625 |
|
| 626 |
/* x n s u w */ ARCH_DEPEND(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */),
|
| 627 |
/* x n s u b */ HI(31) | LO(215) /* stbx */,
|
| 628 |
/* x n s u h */ HI(31) | LO(407) /* sthx */,
|
| 629 |
/* x n s u i */ HI(31) | LO(151) /* stwx */,
|
| 630 |
|
| 631 |
/* x n s s w */ ARCH_DEPEND(HI(31) | LO(151) /* stwx */, HI(31) | LO(149) /* stdx */),
|
| 632 |
/* x n s s b */ HI(31) | LO(215) /* stbx */,
|
| 633 |
/* x n s s h */ HI(31) | LO(407) /* sthx */,
|
| 634 |
/* x n s s i */ HI(31) | LO(151) /* stwx */,
|
| 635 |
|
| 636 |
/* x n l u w */ ARCH_DEPEND(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */),
|
| 637 |
/* x n l u b */ HI(31) | LO(87) /* lbzx */,
|
| 638 |
/* x n l u h */ HI(31) | LO(279) /* lhzx */,
|
| 639 |
/* x n l u i */ HI(31) | LO(23) /* lwzx */,
|
| 640 |
|
| 641 |
/* x n l s w */ ARCH_DEPEND(HI(31) | LO(23) /* lwzx */, HI(31) | LO(21) /* ldx */),
|
| 642 |
/* x n l s b */ HI(31) | LO(87) /* lbzx */ /* EXTS_REQ */,
|
| 643 |
/* x n l s h */ HI(31) | LO(343) /* lhax */,
|
| 644 |
/* x n l s i */ ARCH_DEPEND(HI(31) | LO(23) /* lwzx */, HI(31) | LO(341) /* lwax */),
|
| 645 |
|
| 646 |
/* Write-back. */
|
| 647 |
|
| 648 |
/* x w s u w */ ARCH_DEPEND(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */),
|
| 649 |
/* x w s u b */ HI(31) | LO(247) /* stbux */,
|
| 650 |
/* x w s u h */ HI(31) | LO(439) /* sthux */,
|
| 651 |
/* x w s u i */ HI(31) | LO(183) /* stwux */,
|
| 652 |
|
| 653 |
/* x w s s w */ ARCH_DEPEND(HI(31) | LO(183) /* stwux */, HI(31) | LO(181) /* stdux */),
|
| 654 |
/* x w s s b */ HI(31) | LO(247) /* stbux */,
|
| 655 |
/* x w s s h */ HI(31) | LO(439) /* sthux */,
|
| 656 |
/* x w s s i */ HI(31) | LO(183) /* stwux */,
|
| 657 |
|
| 658 |
/* x w l u w */ ARCH_DEPEND(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */),
|
| 659 |
/* x w l u b */ HI(31) | LO(119) /* lbzux */,
|
| 660 |
/* x w l u h */ HI(31) | LO(311) /* lhzux */,
|
| 661 |
/* x w l u i */ HI(31) | LO(55) /* lwzux */,
|
| 662 |
|
| 663 |
/* x w l s w */ ARCH_DEPEND(HI(31) | LO(55) /* lwzux */, HI(31) | LO(53) /* ldux */),
|
| 664 |
/* x w l s b */ HI(31) | LO(119) /* lbzux */ /* EXTS_REQ */,
|
| 665 |
/* x w l s h */ HI(31) | LO(375) /* lhaux */,
|
| 666 |
/* x w l s i */ ARCH_DEPEND(HI(31) | LO(55) /* lwzux */, HI(31) | LO(373) /* lwaux */)
|
| 667 |
|
| 668 |
};
|
| 669 |
|
| 670 |
#undef ARCH_DEPEND
|
| 671 |
|
| 672 |
/* Simple cases, (no caching is required). */
|
| 673 |
static int getput_arg_fast(struct sljit_compiler *compiler, int inp_flags, int reg, int arg, sljit_w argw)
|
| 674 |
{
|
| 675 |
sljit_ins inst;
|
| 676 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|
| 677 |
int tmp_reg;
|
| 678 |
#endif
|
| 679 |
|
| 680 |
SLJIT_ASSERT(arg & SLJIT_MEM);
|
| 681 |
if (!(arg & 0xf)) {
|
| 682 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
|
| 683 |
if (argw <= SIMM_MAX && argw >= SIMM_MIN) {
|
| 684 |
if (inp_flags & ARG_TEST)
|
| 685 |
return 1;
|
| 686 |
|
| 687 |
inst = data_transfer_insts[(inp_flags & ~WRITE_BACK) & MEM_MASK];
|
| 688 |
SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
|
| 689 |
push_inst(compiler, GET_INST_CODE(inst) | D(reg) | IMM(argw));
|
| 690 |
return -1;
|
| 691 |
}
|
| 692 |
#else
|
| 693 |
inst = data_transfer_insts[(inp_flags & ~WRITE_BACK) & MEM_MASK];
|
| 694 |
if (argw <= SIMM_MAX && argw >= SIMM_MIN &&
|
| 695 |
(!(inst & ADDR_MODE2) || (argw & 0x3) == 0)) {
|
| 696 |
if (inp_flags & ARG_TEST)
|
| 697 |
return 1;
|
| 698 |
|
| 699 |
push_inst(compiler, GET_INST_CODE(inst) | D(reg) | IMM(argw));
|
| 700 |
return -1;
|
| 701 |
}
|
| 702 |
#endif
|
| 703 |
return (inp_flags & ARG_TEST) ? SLJIT_SUCCESS : 0;
|
| 704 |
}
|
| 705 |
|
| 706 |
if (!(arg & 0xf0)) {
|
| 707 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
|
| 708 |
if (argw <= SIMM_MAX && argw >= SIMM_MIN) {
|
| 709 |
if (inp_flags & ARG_TEST)
|
| 710 |
return 1;
|
| 711 |
|
| 712 |
inst = data_transfer_insts[inp_flags & MEM_MASK];
|
| 713 |
SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
|
| 714 |
push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | IMM(argw));
|
| 715 |
return -1;
|
| 716 |
}
|
| 717 |
#else
|
| 718 |
inst = data_transfer_insts[inp_flags & MEM_MASK];
|
| 719 |
if (argw <= SIMM_MAX && argw >= SIMM_MIN && (!(inst & ADDR_MODE2) || (argw & 0x3) == 0)) {
|
| 720 |
if (inp_flags & ARG_TEST)
|
| 721 |
return 1;
|
| 722 |
|
| 723 |
if ((inp_flags & WRITE_BACK) && (inst & UPDATE_REQ)) {
|
| 724 |
tmp_reg = (inp_flags & LOAD_DATA) ? (arg & 0xf) : TMP_REG3;
|
| 725 |
if (push_inst(compiler, ADDI | D(tmp_reg) | A(arg & 0xf) | IMM(argw)))
|
| 726 |
return -1;
|
| 727 |
arg = tmp_reg | SLJIT_MEM;
|
| 728 |
argw = 0;
|
| 729 |
}
|
| 730 |
push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | IMM(argw));
|
| 731 |
return -1;
|
| 732 |
}
|
| 733 |
#endif
|
| 734 |
}
|
| 735 |
else if (!(argw & 0x3)) {
|
| 736 |
if (inp_flags & ARG_TEST)
|
| 737 |
return 1;
|
| 738 |
inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
|
| 739 |
SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
|
| 740 |
push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B((arg >> 4) & 0xf));
|
| 741 |
return -1;
|
| 742 |
}
|
| 743 |
return (inp_flags & ARG_TEST) ? SLJIT_SUCCESS : 0;
|
| 744 |
}
|
| 745 |
|
| 746 |
/* See getput_arg below.
|
| 747 |
Note: can_cache is called only for binary operators. Those operator always
|
| 748 |
uses word arguments without write back. */
|
| 749 |
static int can_cache(int arg, sljit_w argw, int next_arg, sljit_w next_argw)
|
| 750 |
{
|
| 751 |
SLJIT_ASSERT(arg & SLJIT_MEM);
|
| 752 |
SLJIT_ASSERT(next_arg & SLJIT_MEM);
|
| 753 |
|
| 754 |
if (!(arg & 0xf)) {
|
| 755 |
if ((next_arg & SLJIT_MEM) && ((sljit_uw)argw - (sljit_uw)next_argw <= SIMM_MAX || (sljit_uw)next_argw - (sljit_uw)argw <= SIMM_MAX))
|
| 756 |
return 1;
|
| 757 |
return 0;
|
| 758 |
}
|
| 759 |
|
| 760 |
if (arg & 0xf0)
|
| 761 |
return 0;
|
| 762 |
|
| 763 |
if (argw <= SIMM_MAX && argw >= SIMM_MIN) {
|
| 764 |
if (arg == next_arg && (next_argw >= SIMM_MAX && next_argw <= SIMM_MIN))
|
| 765 |
return 1;
|
| 766 |
}
|
| 767 |
|
| 768 |
if (arg == next_arg && ((sljit_uw)argw - (sljit_uw)next_argw <= SIMM_MAX || (sljit_uw)next_argw - (sljit_uw)argw <= SIMM_MAX))
|
| 769 |
return 1;
|
| 770 |
|
| 771 |
return 0;
|
| 772 |
}
|
| 773 |
|
| 774 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|
| 775 |
#define ADJUST_CACHED_IMM(imm) \
|
| 776 |
if ((inst & ADDR_MODE2) && (imm & 0x3)) { \
|
| 777 |
/* Adjust cached value. Fortunately this is really a rare case */ \
|
| 778 |
compiler->cache_argw += imm & 0x3; \
|
| 779 |
FAIL_IF(push_inst(compiler, ADDI | D(TMP_REG3) | A(TMP_REG3) | (imm & 0x3))); \
|
| 780 |
imm &= ~0x3; \
|
| 781 |
}
|
| 782 |
#else
|
| 783 |
#define ADJUST_CACHED_IMM(imm)
|
| 784 |
#endif
|
| 785 |
|
| 786 |
/* Emit the necessary instructions. See can_cache above. */
|
| 787 |
static int getput_arg(struct sljit_compiler *compiler, int inp_flags, int reg, int arg, sljit_w argw, int next_arg, sljit_w next_argw)
|
| 788 |
{
|
| 789 |
int tmp_r;
|
| 790 |
sljit_ins inst;
|
| 791 |
|
| 792 |
SLJIT_ASSERT(arg & SLJIT_MEM);
|
| 793 |
|
| 794 |
tmp_r = (inp_flags & LOAD_DATA) ? reg : TMP_REG3;
|
| 795 |
if ((arg & 0xf) == tmp_r) {
|
| 796 |
/* Special case for "mov reg, [reg, ... ]".
|
| 797 |
Caching would not happen anyway. */
|
| 798 |
tmp_r = TMP_REG3;
|
| 799 |
compiler->cache_arg = 0;
|
| 800 |
compiler->cache_argw = 0;
|
| 801 |
}
|
| 802 |
|
| 803 |
if (!(arg & 0xf)) {
|
| 804 |
inst = data_transfer_insts[(inp_flags & ~WRITE_BACK) & MEM_MASK];
|
| 805 |
if ((compiler->cache_arg & SLJIT_IMM) && (((sljit_uw)argw - (sljit_uw)compiler->cache_argw) <= SIMM_MAX || ((sljit_uw)compiler->cache_argw - (sljit_uw)argw) <= SIMM_MAX)) {
|
| 806 |
argw = argw - compiler->cache_argw;
|
| 807 |
ADJUST_CACHED_IMM(argw);
|
| 808 |
SLJIT_ASSERT(!(inst & UPDATE_REQ));
|
| 809 |
return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(TMP_REG3) | IMM(argw));
|
| 810 |
}
|
| 811 |
|
| 812 |
if ((next_arg & SLJIT_MEM) && (argw - next_argw <= SIMM_MAX || next_argw - argw <= SIMM_MAX)) {
|
| 813 |
SLJIT_ASSERT(inp_flags & LOAD_DATA);
|
| 814 |
|
| 815 |
compiler->cache_arg = SLJIT_IMM;
|
| 816 |
compiler->cache_argw = argw;
|
| 817 |
tmp_r = TMP_REG3;
|
| 818 |
}
|
| 819 |
|
| 820 |
FAIL_IF(load_immediate(compiler, tmp_r, argw));
|
| 821 |
return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(tmp_r));
|
| 822 |
}
|
| 823 |
|
| 824 |
if (SLJIT_UNLIKELY(arg & 0xf0)) {
|
| 825 |
argw &= 0x3;
|
| 826 |
/* Otherwise getput_arg_fast would capture it. */
|
| 827 |
SLJIT_ASSERT(argw);
|
| 828 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
|
| 829 |
FAIL_IF(push_inst(compiler, RLWINM | S((arg >> 4) & 0xf) | A(tmp_r) | (argw << 11) | ((31 - argw) << 1)));
|
| 830 |
#else
|
| 831 |
FAIL_IF(push_inst(compiler, RLDI(tmp_r, (arg >> 4) & 0xf, argw, 63 - argw, 1)));
|
| 832 |
#endif
|
| 833 |
inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
|
| 834 |
SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
|
| 835 |
return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(tmp_r));
|
| 836 |
}
|
| 837 |
|
| 838 |
inst = data_transfer_insts[inp_flags & MEM_MASK];
|
| 839 |
|
| 840 |
if (compiler->cache_arg == arg && ((sljit_uw)argw - (sljit_uw)compiler->cache_argw <= SIMM_MAX || (sljit_uw)compiler->cache_argw - (sljit_uw)argw <= SIMM_MAX)) {
|
| 841 |
SLJIT_ASSERT(!(inp_flags & WRITE_BACK));
|
| 842 |
argw = argw - compiler->cache_argw;
|
| 843 |
ADJUST_CACHED_IMM(argw);
|
| 844 |
return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(TMP_REG3) | IMM(argw));
|
| 845 |
}
|
| 846 |
|
| 847 |
if ((compiler->cache_arg & SLJIT_IMM) && compiler->cache_argw == argw) {
|
| 848 |
inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
|
| 849 |
SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
|
| 850 |
return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(TMP_REG3));
|
| 851 |
}
|
| 852 |
|
| 853 |
if (argw == next_argw && (next_arg & SLJIT_MEM)) {
|
| 854 |
SLJIT_ASSERT(inp_flags & LOAD_DATA);
|
| 855 |
FAIL_IF(load_immediate(compiler, TMP_REG3, argw));
|
| 856 |
|
| 857 |
compiler->cache_arg = SLJIT_IMM;
|
| 858 |
compiler->cache_argw = argw;
|
| 859 |
|
| 860 |
inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
|
| 861 |
SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
|
| 862 |
return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(TMP_REG3));
|
| 863 |
}
|
| 864 |
|
| 865 |
if (arg == next_arg && !(inp_flags & WRITE_BACK) && ((sljit_uw)argw - (sljit_uw)next_argw <= SIMM_MAX || (sljit_uw)next_argw - (sljit_uw)argw <= SIMM_MAX)) {
|
| 866 |
SLJIT_ASSERT(inp_flags & LOAD_DATA);
|
| 867 |
FAIL_IF(load_immediate(compiler, TMP_REG3, argw));
|
| 868 |
FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | A(TMP_REG3) | B(arg & 0xf)));
|
| 869 |
|
| 870 |
compiler->cache_arg = arg;
|
| 871 |
compiler->cache_argw = argw;
|
| 872 |
|
| 873 |
return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(TMP_REG3));
|
| 874 |
}
|
| 875 |
|
| 876 |
/* Get the indexed version instead of the normal one. */
|
| 877 |
inst = data_transfer_insts[(inp_flags | INDEXED) & MEM_MASK];
|
| 878 |
SLJIT_ASSERT(!(inst & (ADDR_MODE2 | UPDATE_REQ)));
|
| 879 |
FAIL_IF(load_immediate(compiler, tmp_r, argw));
|
| 880 |
return push_inst(compiler, GET_INST_CODE(inst) | D(reg) | A(arg & 0xf) | B(tmp_r));
|
| 881 |
}
|
| 882 |
|
| 883 |
static int emit_op(struct sljit_compiler *compiler, int op, int inp_flags,
|
| 884 |
int dst, sljit_w dstw,
|
| 885 |
int src1, sljit_w src1w,
|
| 886 |
int src2, sljit_w src2w)
|
| 887 |
{
|
| 888 |
/* arg1 goes to TMP_REG1 or src reg
|
| 889 |
arg2 goes to TMP_REG2, imm or src reg
|
| 890 |
TMP_REG3 can be used for caching
|
| 891 |
result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
|
| 892 |
int dst_r;
|
| 893 |
int src1_r;
|
| 894 |
int src2_r;
|
| 895 |
int sugg_src2_r = TMP_REG2;
|
| 896 |
int flags = inp_flags & (ALT_FORM1 | ALT_FORM2 | ALT_FORM3 | ALT_FORM4 | ALT_FORM5 | ALT_SIGN_EXT | ALT_SET_FLAGS);
|
| 897 |
|
| 898 |
compiler->cache_arg = 0;
|
| 899 |
compiler->cache_argw = 0;
|
| 900 |
|
| 901 |
/* Destination check. */
|
| 902 |
if (dst >= SLJIT_TEMPORARY_REG1 && dst <= ZERO_REG) {
|
| 903 |
dst_r = dst;
|
| 904 |
flags |= REG_DEST;
|
| 905 |
if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI)
|
| 906 |
sugg_src2_r = dst_r;
|
| 907 |
}
|
| 908 |
else if (dst == SLJIT_UNUSED) {
|
| 909 |
if (op >= SLJIT_MOV && op <= SLJIT_MOVU_SI && !(src2 & SLJIT_MEM))
|
| 910 |
return SLJIT_SUCCESS;
|
| 911 |
dst_r = TMP_REG2;
|
| 912 |
}
|
| 913 |
else {
|
| 914 |
SLJIT_ASSERT(dst & SLJIT_MEM);
|
| 915 |
if (getput_arg_fast(compiler, inp_flags | ARG_TEST, TMP_REG2, dst, dstw)) {
|
| 916 |
flags |= FAST_DEST;
|
| 917 |
dst_r = TMP_REG2;
|
| 918 |
}
|
| 919 |
else {
|
| 920 |
flags |= SLOW_DEST;
|
| 921 |
dst_r = 0;
|
| 922 |
}
|
| 923 |
}
|
| 924 |
|
| 925 |
/* Source 1. */
|
| 926 |
if (src1 >= SLJIT_TEMPORARY_REG1 && src1 <= ZERO_REG) {
|
| 927 |
src1_r = src1;
|
| 928 |
flags |= REG1_SOURCE;
|
| 929 |
}
|
| 930 |
else if (src1 & SLJIT_IMM) {
|
| 931 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|
| 932 |
if ((inp_flags & 0x3) == INT_DATA) {
|
| 933 |
if (inp_flags & SIGNED_DATA)
|
| 934 |
src1w = (signed int)src1w;
|
| 935 |
else
|
| 936 |
src1w = (unsigned int)src1w;
|
| 937 |
}
|
| 938 |
#endif
|
| 939 |
FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
|
| 940 |
src1_r = TMP_REG1;
|
| 941 |
}
|
| 942 |
else if (getput_arg_fast(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w)) {
|
| 943 |
FAIL_IF(compiler->error);
|
| 944 |
src1_r = TMP_REG1;
|
| 945 |
}
|
| 946 |
else
|
| 947 |
src1_r = 0;
|
| 948 |
|
| 949 |
/* Source 2. */
|
| 950 |
if (src2 >= SLJIT_TEMPORARY_REG1 && src2 <= ZERO_REG) {
|
| 951 |
src2_r = src2;
|
| 952 |
flags |= REG2_SOURCE;
|
| 953 |
if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_SI)
|
| 954 |
dst_r = src2_r;
|
| 955 |
}
|
| 956 |
else if (src2 & SLJIT_IMM) {
|
| 957 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|
| 958 |
if ((inp_flags & 0x3) == INT_DATA) {
|
| 959 |
if (inp_flags & SIGNED_DATA)
|
| 960 |
src2w = (signed int)src2w;
|
| 961 |
else
|
| 962 |
src2w = (unsigned int)src2w;
|
| 963 |
}
|
| 964 |
#endif
|
| 965 |
FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
|
| 966 |
src2_r = sugg_src2_r;
|
| 967 |
}
|
| 968 |
else if (getput_arg_fast(compiler, inp_flags | LOAD_DATA, sugg_src2_r, src2, src2w)) {
|
| 969 |
FAIL_IF(compiler->error);
|
| 970 |
src2_r = sugg_src2_r;
|
| 971 |
}
|
| 972 |
else
|
| 973 |
src2_r = 0;
|
| 974 |
|
| 975 |
/* src1_r, src2_r and dst_r can be zero (=unprocessed).
|
| 976 |
All arguments are complex addressing modes, and it is a binary operator. */
|
| 977 |
if (src1_r == 0 && src2_r == 0 && dst_r == 0) {
|
| 978 |
if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
|
| 979 |
FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
|
| 980 |
FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
|
| 981 |
}
|
| 982 |
else {
|
| 983 |
FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
|
| 984 |
FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
|
| 985 |
}
|
| 986 |
src1_r = TMP_REG1;
|
| 987 |
src2_r = TMP_REG2;
|
| 988 |
}
|
| 989 |
else if (src1_r == 0 && src2_r == 0) {
|
| 990 |
FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
|
| 991 |
src1_r = TMP_REG1;
|
| 992 |
}
|
| 993 |
else if (src1_r == 0 && dst_r == 0) {
|
| 994 |
FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
|
| 995 |
src1_r = TMP_REG1;
|
| 996 |
}
|
| 997 |
else if (src2_r == 0 && dst_r == 0) {
|
| 998 |
FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
|
| 999 |
src2_r = sugg_src2_r;
|
| 1000 |
}
|
| 1001 |
|
| 1002 |
if (dst_r == 0)
|
| 1003 |
dst_r = TMP_REG2;
|
| 1004 |
|
| 1005 |
if (src1_r == 0) {
|
| 1006 |
FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, TMP_REG1, src1, src1w, 0, 0));
|
| 1007 |
src1_r = TMP_REG1;
|
| 1008 |
}
|
| 1009 |
|
| 1010 |
if (src2_r == 0) {
|
| 1011 |
FAIL_IF(getput_arg(compiler, inp_flags | LOAD_DATA, sugg_src2_r, src2, src2w, 0, 0));
|
| 1012 |
src2_r = sugg_src2_r;
|
| 1013 |
}
|
| 1014 |
|
| 1015 |
FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
|
| 1016 |
|
| 1017 |
if (flags & (FAST_DEST | SLOW_DEST)) {
|
| 1018 |
if (flags & FAST_DEST)
|
| 1019 |
FAIL_IF(getput_arg_fast(compiler, inp_flags, dst_r, dst, dstw));
|
| 1020 |
else
|
| 1021 |
FAIL_IF(getput_arg(compiler, inp_flags, dst_r, dst, dstw, 0, 0));
|
| 1022 |
}
|
| 1023 |
return SLJIT_SUCCESS;
|
| 1024 |
}
|
| 1025 |
|
| 1026 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op0(struct sljit_compiler *compiler, int op)
|
| 1027 |
{
|
| 1028 |
CHECK_ERROR();
|
| 1029 |
check_sljit_emit_op0(compiler, op);
|
| 1030 |
|
| 1031 |
op = GET_OPCODE(op);
|
| 1032 |
switch (op) {
|
| 1033 |
case SLJIT_BREAKPOINT:
|
| 1034 |
case SLJIT_NOP:
|
| 1035 |
return push_inst(compiler, NOP);
|
| 1036 |
break;
|
| 1037 |
}
|
| 1038 |
|
| 1039 |
return SLJIT_SUCCESS;
|
| 1040 |
}
|
| 1041 |
|
| 1042 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op1(struct sljit_compiler *compiler, int op,
|
| 1043 |
int dst, sljit_w dstw,
|
| 1044 |
int src, sljit_w srcw)
|
| 1045 |
{
|
| 1046 |
int inp_flags = GET_FLAGS(op) ? ALT_SET_FLAGS : 0;
|
| 1047 |
|
| 1048 |
CHECK_ERROR();
|
| 1049 |
check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw);
|
| 1050 |
|
| 1051 |
if ((src & SLJIT_IMM) && srcw == 0)
|
| 1052 |
src = ZERO_REG;
|
| 1053 |
|
| 1054 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|
| 1055 |
if (op & SLJIT_INT_OP) {
|
| 1056 |
inp_flags |= INT_DATA | SIGNED_DATA;
|
| 1057 |
if (src & SLJIT_IMM)
|
| 1058 |
srcw = (int)srcw;
|
| 1059 |
}
|
| 1060 |
#endif
|
| 1061 |
if (op & SLJIT_SET_O)
|
| 1062 |
FAIL_IF(push_inst(compiler, MTXER | S(ZERO_REG)));
|
| 1063 |
|
| 1064 |
switch (GET_OPCODE(op)) {
|
| 1065 |
case SLJIT_MOV:
|
| 1066 |
return emit_op(compiler, SLJIT_MOV, inp_flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
|
| 1067 |
|
| 1068 |
case SLJIT_MOV_UI:
|
| 1069 |
return emit_op(compiler, SLJIT_MOV_UI, inp_flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
|
| 1070 |
|
| 1071 |
case SLJIT_MOV_SI:
|
| 1072 |
return emit_op(compiler, SLJIT_MOV_SI, inp_flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
|
| 1073 |
|
| 1074 |
case SLJIT_MOV_UB:
|
| 1075 |
return emit_op(compiler, SLJIT_MOV_UB, inp_flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
|
| 1076 |
|
| 1077 |
case SLJIT_MOV_SB:
|
| 1078 |
return emit_op(compiler, SLJIT_MOV_SB, inp_flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw);
|
| 1079 |
|
| 1080 |
case SLJIT_MOV_UH:
|
| 1081 |
return emit_op(compiler, SLJIT_MOV_UH, inp_flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
|
| 1082 |
|
| 1083 |
case SLJIT_MOV_SH:
|
| 1084 |
return emit_op(compiler, SLJIT_MOV_SH, inp_flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw);
|
| 1085 |
|
| 1086 |
case SLJIT_MOVU:
|
| 1087 |
return emit_op(compiler, SLJIT_MOV, inp_flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
|
| 1088 |
|
| 1089 |
case SLJIT_MOVU_UI:
|
| 1090 |
return emit_op(compiler, SLJIT_MOV_UI, inp_flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
|
| 1091 |
|
| 1092 |
case SLJIT_MOVU_SI:
|
| 1093 |
return emit_op(compiler, SLJIT_MOV_SI, inp_flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
|
| 1094 |
|
| 1095 |
case SLJIT_MOVU_UB:
|
| 1096 |
return emit_op(compiler, SLJIT_MOV_UB, inp_flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned char)srcw : srcw);
|
| 1097 |
|
| 1098 |
case SLJIT_MOVU_SB:
|
| 1099 |
return emit_op(compiler, SLJIT_MOV_SB, inp_flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed char)srcw : srcw);
|
| 1100 |
|
| 1101 |
case SLJIT_MOVU_UH:
|
| 1102 |
return emit_op(compiler, SLJIT_MOV_UH, inp_flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (unsigned short)srcw : srcw);
|
| 1103 |
|
| 1104 |
case SLJIT_MOVU_SH:
|
| 1105 |
return emit_op(compiler, SLJIT_MOV_SH, inp_flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (signed short)srcw : srcw);
|
| 1106 |
|
| 1107 |
case SLJIT_NOT:
|
| 1108 |
return emit_op(compiler, SLJIT_NOT, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw);
|
| 1109 |
|
| 1110 |
case SLJIT_NEG:
|
| 1111 |
return emit_op(compiler, SLJIT_NEG, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw);
|
| 1112 |
|
| 1113 |
case SLJIT_CLZ:
|
| 1114 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|
| 1115 |
return emit_op(compiler, SLJIT_CLZ, inp_flags | (!(op & SLJIT_INT_OP) ? 0 : ALT_FORM1), dst, dstw, TMP_REG1, 0, src, srcw);
|
| 1116 |
#else
|
| 1117 |
return emit_op(compiler, SLJIT_CLZ, inp_flags, dst, dstw, TMP_REG1, 0, src, srcw);
|
| 1118 |
#endif
|
| 1119 |
}
|
| 1120 |
|
| 1121 |
return SLJIT_SUCCESS;
|
| 1122 |
}
|
| 1123 |
|
| 1124 |
#define TEST_SL_IMM(src, srcw) \
|
| 1125 |
(((src) & SLJIT_IMM) && (srcw) <= SIMM_MAX && (srcw) >= SIMM_MIN)
|
| 1126 |
|
| 1127 |
#define TEST_UL_IMM(src, srcw) \
|
| 1128 |
(((src) & SLJIT_IMM) && !((srcw) & ~0xffff))
|
| 1129 |
|
| 1130 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|
| 1131 |
#define TEST_SH_IMM(src, srcw) \
|
| 1132 |
(((src) & SLJIT_IMM) && !((srcw) & 0xffff) && (srcw) <= SLJIT_W(0x7fffffff) && (srcw) >= SLJIT_W(-0x80000000))
|
| 1133 |
#else
|
| 1134 |
#define TEST_SH_IMM(src, srcw) \
|
| 1135 |
(((src) & SLJIT_IMM) && !((srcw) & 0xffff))
|
| 1136 |
#endif
|
| 1137 |
|
| 1138 |
#define TEST_UH_IMM(src, srcw) \
|
| 1139 |
(((src) & SLJIT_IMM) && !((srcw) & ~0xffff0000))
|
| 1140 |
|
| 1141 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|
| 1142 |
#define TEST_UI_IMM(src, srcw) \
|
| 1143 |
(((src) & SLJIT_IMM) && !((srcw) & ~0xffffffff))
|
| 1144 |
#else
|
| 1145 |
#define TEST_UI_IMM(src, srcw) \
|
| 1146 |
((src) & SLJIT_IMM)
|
| 1147 |
#endif
|
| 1148 |
|
| 1149 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_op2(struct sljit_compiler *compiler, int op,
|
| 1150 |
int dst, sljit_w dstw,
|
| 1151 |
int src1, sljit_w src1w,
|
| 1152 |
int src2, sljit_w src2w)
|
| 1153 |
{
|
| 1154 |
int inp_flags = GET_FLAGS(op) ? ALT_SET_FLAGS : 0;
|
| 1155 |
|
| 1156 |
CHECK_ERROR();
|
| 1157 |
check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w);
|
| 1158 |
|
| 1159 |
if ((src1 & SLJIT_IMM) && src1w == 0)
|
| 1160 |
src1 = ZERO_REG;
|
| 1161 |
if ((src2 & SLJIT_IMM) && src2w == 0)
|
| 1162 |
src2 = ZERO_REG;
|
| 1163 |
|
| 1164 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|
| 1165 |
if (op & SLJIT_INT_OP) {
|
| 1166 |
inp_flags |= INT_DATA | SIGNED_DATA;
|
| 1167 |
if (src1 & SLJIT_IMM)
|
| 1168 |
src1w = (src1w << 32) >> 32;
|
| 1169 |
if (src2 & SLJIT_IMM)
|
| 1170 |
src2w = (src2w << 32) >> 32;
|
| 1171 |
if (GET_FLAGS(op))
|
| 1172 |
inp_flags |= ALT_SIGN_EXT;
|
| 1173 |
}
|
| 1174 |
#endif
|
| 1175 |
if (op & SLJIT_SET_O)
|
| 1176 |
FAIL_IF(push_inst(compiler, MTXER | S(ZERO_REG)));
|
| 1177 |
|
| 1178 |
switch (GET_OPCODE(op)) {
|
| 1179 |
case SLJIT_ADD:
|
| 1180 |
if (!GET_FLAGS(op)) {
|
| 1181 |
if (TEST_SL_IMM(src2, src2w)) {
|
| 1182 |
compiler->imm = src2w & 0xffff;
|
| 1183 |
return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1184 |
}
|
| 1185 |
if (TEST_SL_IMM(src1, src1w)) {
|
| 1186 |
compiler->imm = src1w & 0xffff;
|
| 1187 |
return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0);
|
| 1188 |
}
|
| 1189 |
if (TEST_SH_IMM(src2, src2w)) {
|
| 1190 |
compiler->imm = (src2w >> 16) & 0xffff;
|
| 1191 |
return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1192 |
}
|
| 1193 |
if (TEST_SH_IMM(src1, src1w)) {
|
| 1194 |
compiler->imm = (src1w >> 16) & 0xffff;
|
| 1195 |
return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0);
|
| 1196 |
}
|
| 1197 |
}
|
| 1198 |
if (!(GET_FLAGS(op) & (SLJIT_SET_E | SLJIT_SET_O))) {
|
| 1199 |
if (TEST_SL_IMM(src2, src2w)) {
|
| 1200 |
compiler->imm = src2w & 0xffff;
|
| 1201 |
return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1202 |
}
|
| 1203 |
if (TEST_SL_IMM(src1, src1w)) {
|
| 1204 |
compiler->imm = src1w & 0xffff;
|
| 1205 |
return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0);
|
| 1206 |
}
|
| 1207 |
}
|
| 1208 |
return emit_op(compiler, SLJIT_ADD, inp_flags, dst, dstw, src1, src1w, src2, src2w);
|
| 1209 |
|
| 1210 |
case SLJIT_ADDC:
|
| 1211 |
return emit_op(compiler, SLJIT_ADDC, inp_flags | (!(op & SLJIT_KEEP_FLAGS) ? 0 : ALT_FORM1), dst, dstw, src1, src1w, src2, src2w);
|
| 1212 |
|
| 1213 |
case SLJIT_SUB:
|
| 1214 |
if (!GET_FLAGS(op)) {
|
| 1215 |
if (TEST_SL_IMM(src2, -src2w)) {
|
| 1216 |
compiler->imm = (-src2w) & 0xffff;
|
| 1217 |
return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1218 |
}
|
| 1219 |
if (TEST_SL_IMM(src1, src1w)) {
|
| 1220 |
compiler->imm = src1w & 0xffff;
|
| 1221 |
return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0);
|
| 1222 |
}
|
| 1223 |
if (TEST_SH_IMM(src2, -src2w)) {
|
| 1224 |
compiler->imm = ((-src2w) >> 16) & 0xffff;
|
| 1225 |
return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1226 |
}
|
| 1227 |
}
|
| 1228 |
if (dst == SLJIT_UNUSED && !(GET_FLAGS(op) & ~(SLJIT_SET_E | SLJIT_SET_S))) {
|
| 1229 |
/* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */
|
| 1230 |
if (TEST_SL_IMM(src2, src2w)) {
|
| 1231 |
compiler->imm = src2w & 0xffff;
|
| 1232 |
return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1233 |
}
|
| 1234 |
if (GET_FLAGS(op) == SLJIT_SET_E && TEST_SL_IMM(src1, src1w)) {
|
| 1235 |
compiler->imm = src1w & 0xffff;
|
| 1236 |
return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0);
|
| 1237 |
}
|
| 1238 |
}
|
| 1239 |
if (dst == SLJIT_UNUSED && GET_FLAGS(op) == SLJIT_SET_U) {
|
| 1240 |
/* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */
|
| 1241 |
if (TEST_UL_IMM(src2, src2w)) {
|
| 1242 |
compiler->imm = src2w & 0xffff;
|
| 1243 |
return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1244 |
}
|
| 1245 |
return emit_op(compiler, SLJIT_SUB, inp_flags | ALT_FORM4, dst, dstw, src1, src1w, src2, src2w);
|
| 1246 |
}
|
| 1247 |
if (!(op & (SLJIT_SET_E | SLJIT_SET_S | SLJIT_SET_U | SLJIT_SET_O))) {
|
| 1248 |
if (TEST_SL_IMM(src2, -src2w)) {
|
| 1249 |
compiler->imm = (-src2w) & 0xffff;
|
| 1250 |
return emit_op(compiler, SLJIT_ADD, inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1251 |
}
|
| 1252 |
}
|
| 1253 |
/* We know ALT_SIGN_EXT is set if it is an SLJIT_INT_OP on 64 bit systems. */
|
| 1254 |
return emit_op(compiler, SLJIT_SUB, inp_flags | (!(op & SLJIT_SET_U) ? 0 : ALT_FORM5), dst, dstw, src1, src1w, src2, src2w);
|
| 1255 |
|
| 1256 |
case SLJIT_SUBC:
|
| 1257 |
return emit_op(compiler, SLJIT_SUBC, inp_flags | (!(op & SLJIT_KEEP_FLAGS) ? 0 : ALT_FORM1), dst, dstw, src1, src1w, src2, src2w);
|
| 1258 |
|
| 1259 |
case SLJIT_MUL:
|
| 1260 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|
| 1261 |
if (op & SLJIT_INT_OP)
|
| 1262 |
inp_flags |= ALT_FORM2;
|
| 1263 |
#endif
|
| 1264 |
if (!GET_FLAGS(op)) {
|
| 1265 |
if (TEST_SL_IMM(src2, src2w)) {
|
| 1266 |
compiler->imm = src2w & 0xffff;
|
| 1267 |
return emit_op(compiler, SLJIT_MUL, inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1268 |
}
|
| 1269 |
if (TEST_SL_IMM(src1, src1w)) {
|
| 1270 |
compiler->imm = src1w & 0xffff;
|
| 1271 |
return emit_op(compiler, SLJIT_MUL, inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0);
|
| 1272 |
}
|
| 1273 |
}
|
| 1274 |
return emit_op(compiler, SLJIT_MUL, inp_flags, dst, dstw, src1, src1w, src2, src2w);
|
| 1275 |
|
| 1276 |
case SLJIT_AND:
|
| 1277 |
case SLJIT_OR:
|
| 1278 |
case SLJIT_XOR:
|
| 1279 |
/* Commutative unsigned operations. */
|
| 1280 |
if (!GET_FLAGS(op) || GET_OPCODE(op) == SLJIT_AND) {
|
| 1281 |
if (TEST_UL_IMM(src2, src2w)) {
|
| 1282 |
compiler->imm = src2w;
|
| 1283 |
return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1284 |
}
|
| 1285 |
if (TEST_UL_IMM(src1, src1w)) {
|
| 1286 |
compiler->imm = src1w;
|
| 1287 |
return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM1, dst, dstw, src2, src2w, TMP_REG2, 0);
|
| 1288 |
}
|
| 1289 |
if (TEST_UH_IMM(src2, src2w)) {
|
| 1290 |
compiler->imm = (src2w >> 16) & 0xffff;
|
| 1291 |
return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM2, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1292 |
}
|
| 1293 |
if (TEST_UH_IMM(src1, src1w)) {
|
| 1294 |
compiler->imm = (src1w >> 16) & 0xffff;
|
| 1295 |
return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM2, dst, dstw, src2, src2w, TMP_REG2, 0);
|
| 1296 |
}
|
| 1297 |
}
|
| 1298 |
if (!GET_FLAGS(op) && GET_OPCODE(op) != SLJIT_AND) {
|
| 1299 |
if (TEST_UI_IMM(src2, src2w)) {
|
| 1300 |
compiler->imm = src2w;
|
| 1301 |
return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM3, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1302 |
}
|
| 1303 |
if (TEST_UI_IMM(src1, src1w)) {
|
| 1304 |
compiler->imm = src1w;
|
| 1305 |
return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM3, dst, dstw, src2, src2w, TMP_REG2, 0);
|
| 1306 |
}
|
| 1307 |
}
|
| 1308 |
return emit_op(compiler, GET_OPCODE(op), inp_flags, dst, dstw, src1, src1w, src2, src2w);
|
| 1309 |
|
| 1310 |
case SLJIT_SHL:
|
| 1311 |
case SLJIT_LSHR:
|
| 1312 |
case SLJIT_ASHR:
|
| 1313 |
#if (defined SLJIT_CONFIG_PPC_64 && SLJIT_CONFIG_PPC_64)
|
| 1314 |
if (op & SLJIT_INT_OP)
|
| 1315 |
inp_flags |= ALT_FORM2;
|
| 1316 |
#endif
|
| 1317 |
if (src2 & SLJIT_IMM) {
|
| 1318 |
compiler->imm = src2w;
|
| 1319 |
return emit_op(compiler, GET_OPCODE(op), inp_flags | ALT_FORM1, dst, dstw, src1, src1w, TMP_REG2, 0);
|
| 1320 |
}
|
| 1321 |
return emit_op(compiler, GET_OPCODE(op), inp_flags, dst, dstw, src1, src1w, src2, src2w);
|
| 1322 |
}
|
| 1323 |
|
| 1324 |
return SLJIT_SUCCESS;
|
| 1325 |
}
|
| 1326 |
|
| 1327 |
/* --------------------------------------------------------------------- */
|
| 1328 |
/* Floating point operators */
|
| 1329 |
/* --------------------------------------------------------------------- */
|
| 1330 |
|
| 1331 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_is_fpu_available(void)
|
| 1332 |
{
|
| 1333 |
/* Always available. */
|
| 1334 |
return 1;
|
| 1335 |
}
|
| 1336 |
|
| 1337 |
static int emit_fpu_data_transfer(struct sljit_compiler *compiler, int fpu_reg, int load, int arg, sljit_w argw)
|
| 1338 |
{
|
| 1339 |
SLJIT_ASSERT(arg & SLJIT_MEM);
|
| 1340 |
|
| 1341 |
/* Fast loads and stores. */
|
| 1342 |
if (!(arg & 0xf0)) {
|
| 1343 |
/* Both for (arg & 0xf) == SLJIT_UNUSED and (arg & 0xf) != SLJIT_UNUSED. */
|
| 1344 |
if (argw <= SIMM_MAX && argw >= SIMM_MIN)
|
| 1345 |
return push_inst(compiler, (load ? LFD : STFD) | FD(fpu_reg) | A(arg & 0xf) | IMM(argw));
|
| 1346 |
}
|
| 1347 |
|
| 1348 |
if (arg & 0xf0) {
|
| 1349 |
argw &= 0x3;
|
| 1350 |
if (argw) {
|
| 1351 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
|
| 1352 |
FAIL_IF(push_inst(compiler, RLWINM | S((arg >> 4) & 0xf) | A(TMP_REG2) | (argw << 11) | ((31 - argw) << 1)));
|
| 1353 |
#else
|
| 1354 |
FAIL_IF(push_inst(compiler, RLDI(TMP_REG2, (arg >> 4) & 0xf, argw, 63 - argw, 1)));
|
| 1355 |
#endif
|
| 1356 |
return push_inst(compiler, (load ? LFDX : STFDX) | FD(fpu_reg) | A(arg & 0xf) | B(TMP_REG2));
|
| 1357 |
}
|
| 1358 |
return push_inst(compiler, (load ? LFDX : STFDX) | FD(fpu_reg) | A(arg & 0xf) | B((arg >> 4) & 0xf));
|
| 1359 |
}
|
| 1360 |
|
| 1361 |
/* Use cache. */
|
| 1362 |
if (compiler->cache_arg == arg && argw - compiler->cache_argw <= SIMM_MAX && argw - compiler->cache_argw >= SIMM_MIN)
|
| 1363 |
return push_inst(compiler, (load ? LFD : STFD) | FD(fpu_reg) | A(TMP_REG3) | IMM(argw - compiler->cache_argw));
|
| 1364 |
|
| 1365 |
/* Put value to cache. */
|
| 1366 |
compiler->cache_arg = arg;
|
| 1367 |
compiler->cache_argw = argw;
|
| 1368 |
|
| 1369 |
FAIL_IF(load_immediate(compiler, TMP_REG3, argw));
|
| 1370 |
if (!(arg & 0xf))
|
| 1371 |
return push_inst(compiler, (load ? LFDX : STFDX) | FD(fpu_reg) | A(0) | B(TMP_REG3));
|
| 1372 |
return push_inst(compiler, (load ? LFDUX : STFDUX) | FD(fpu_reg) | A(TMP_REG3) | B(arg & 0xf));
|
| 1373 |
}
|
| 1374 |
|
| 1375 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop1(struct sljit_compiler *compiler, int op,
|
| 1376 |
int dst, sljit_w dstw,
|
| 1377 |
int src, sljit_w srcw)
|
| 1378 |
{
|
| 1379 |
int dst_fr;
|
| 1380 |
|
| 1381 |
CHECK_ERROR();
|
| 1382 |
check_sljit_emit_fop1(compiler, op, dst, dstw, src, srcw);
|
| 1383 |
|
| 1384 |
compiler->cache_arg = 0;
|
| 1385 |
compiler->cache_argw = 0;
|
| 1386 |
|
| 1387 |
if (GET_OPCODE(op) == SLJIT_FCMP) {
|
| 1388 |
if (dst > SLJIT_FLOAT_REG4) {
|
| 1389 |
FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 1, dst, dstw));
|
| 1390 |
dst = TMP_FREG1;
|
| 1391 |
}
|
| 1392 |
if (src > SLJIT_FLOAT_REG4) {
|
| 1393 |
FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG2, 1, src, srcw));
|
| 1394 |
src = TMP_FREG2;
|
| 1395 |
}
|
| 1396 |
return push_inst(compiler, FCMPU | CRD(4) | FA(dst) | FB(src));
|
| 1397 |
}
|
| 1398 |
|
| 1399 |
dst_fr = (dst > SLJIT_FLOAT_REG4) ? TMP_FREG1 : dst;
|
| 1400 |
|
| 1401 |
if (src > SLJIT_FLOAT_REG4) {
|
| 1402 |
FAIL_IF(emit_fpu_data_transfer(compiler, dst_fr, 1, src, srcw));
|
| 1403 |
src = dst_fr;
|
| 1404 |
}
|
| 1405 |
|
| 1406 |
switch (op) {
|
| 1407 |
case SLJIT_FMOV:
|
| 1408 |
if (src != dst_fr && dst_fr != TMP_FREG1)
|
| 1409 |
FAIL_IF(push_inst(compiler, FMR | FD(dst_fr) | FB(src)));
|
| 1410 |
break;
|
| 1411 |
case SLJIT_FNEG:
|
| 1412 |
FAIL_IF(push_inst(compiler, FNEG | FD(dst_fr) | FB(src)));
|
| 1413 |
break;
|
| 1414 |
case SLJIT_FABS:
|
| 1415 |
FAIL_IF(push_inst(compiler, FABS | FD(dst_fr) | FB(src)));
|
| 1416 |
break;
|
| 1417 |
}
|
| 1418 |
|
| 1419 |
if (dst_fr == TMP_FREG1)
|
| 1420 |
FAIL_IF(emit_fpu_data_transfer(compiler, src, 0, dst, dstw));
|
| 1421 |
|
| 1422 |
return SLJIT_SUCCESS;
|
| 1423 |
}
|
| 1424 |
|
| 1425 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fop2(struct sljit_compiler *compiler, int op,
|
| 1426 |
int dst, sljit_w dstw,
|
| 1427 |
int src1, sljit_w src1w,
|
| 1428 |
int src2, sljit_w src2w)
|
| 1429 |
{
|
| 1430 |
int dst_fr;
|
| 1431 |
|
| 1432 |
CHECK_ERROR();
|
| 1433 |
check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w);
|
| 1434 |
|
| 1435 |
compiler->cache_arg = 0;
|
| 1436 |
compiler->cache_argw = 0;
|
| 1437 |
|
| 1438 |
dst_fr = (dst > SLJIT_FLOAT_REG4) ? TMP_FREG1 : dst;
|
| 1439 |
|
| 1440 |
if (src2 > SLJIT_FLOAT_REG4) {
|
| 1441 |
FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG2, 1, src2, src2w));
|
| 1442 |
src2 = TMP_FREG2;
|
| 1443 |
}
|
| 1444 |
|
| 1445 |
if (src1 > SLJIT_FLOAT_REG4) {
|
| 1446 |
FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 1, src1, src1w));
|
| 1447 |
src1 = TMP_FREG1;
|
| 1448 |
}
|
| 1449 |
|
| 1450 |
switch (op) {
|
| 1451 |
case SLJIT_FADD:
|
| 1452 |
FAIL_IF(push_inst(compiler, FADD | FD(dst_fr) | FA(src1) | FB(src2)));
|
| 1453 |
break;
|
| 1454 |
|
| 1455 |
case SLJIT_FSUB:
|
| 1456 |
FAIL_IF(push_inst(compiler, FSUB | FD(dst_fr) | FA(src1) | FB(src2)));
|
| 1457 |
break;
|
| 1458 |
|
| 1459 |
case SLJIT_FMUL:
|
| 1460 |
FAIL_IF(push_inst(compiler, FMUL | FD(dst_fr) | FA(src1) | FC(src2) /* FMUL use FC as src2 */));
|
| 1461 |
break;
|
| 1462 |
|
| 1463 |
case SLJIT_FDIV:
|
| 1464 |
FAIL_IF(push_inst(compiler, FDIV | FD(dst_fr) | FA(src1) | FB(src2)));
|
| 1465 |
break;
|
| 1466 |
}
|
| 1467 |
|
| 1468 |
if (dst_fr == TMP_FREG1)
|
| 1469 |
FAIL_IF(emit_fpu_data_transfer(compiler, TMP_FREG1, 0, dst, dstw));
|
| 1470 |
|
| 1471 |
return SLJIT_SUCCESS;
|
| 1472 |
}
|
| 1473 |
|
| 1474 |
/* --------------------------------------------------------------------- */
|
| 1475 |
/* Other instructions */
|
| 1476 |
/* --------------------------------------------------------------------- */
|
| 1477 |
|
| 1478 |
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)
|
| 1479 |
{
|
| 1480 |
CHECK_ERROR();
|
| 1481 |
check_sljit_emit_fast_enter(compiler, dst, dstw, args, temporaries, generals, local_size);
|
| 1482 |
|
| 1483 |
compiler->temporaries = temporaries;
|
| 1484 |
compiler->generals = generals;
|
| 1485 |
|
| 1486 |
compiler->has_locals = local_size > 0;
|
| 1487 |
#if (defined SLJIT_CONFIG_PPC_32 && SLJIT_CONFIG_PPC_32)
|
| 1488 |
compiler->local_size = (2 + generals + 2) * sizeof(sljit_w) + local_size;
|
| 1489 |
#else
|
| 1490 |
compiler->local_size = (2 + generals + 7 + 8) * sizeof(sljit_w) + local_size;
|
| 1491 |
#endif
|
| 1492 |
compiler->local_size = (compiler->local_size + 15) & ~0xf;
|
| 1493 |
|
| 1494 |
if (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS)
|
| 1495 |
return push_inst(compiler, MFLR | D(dst));
|
| 1496 |
else if (dst & SLJIT_MEM) {
|
| 1497 |
FAIL_IF(push_inst(compiler, MFLR | D(TMP_REG2)));
|
| 1498 |
return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0);
|
| 1499 |
}
|
| 1500 |
|
| 1501 |
return SLJIT_SUCCESS;
|
| 1502 |
}
|
| 1503 |
|
| 1504 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_fast_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
|
| 1505 |
{
|
| 1506 |
CHECK_ERROR();
|
| 1507 |
check_sljit_emit_fast_return(compiler, src, srcw);
|
| 1508 |
|
| 1509 |
if (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_NO_REGISTERS)
|
| 1510 |
FAIL_IF(push_inst(compiler, MTLR | S(src)));
|
| 1511 |
else {
|
| 1512 |
if (src & SLJIT_MEM)
|
| 1513 |
FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw));
|
| 1514 |
else if (src & SLJIT_IMM)
|
| 1515 |
FAIL_IF(load_immediate(compiler, TMP_REG2, srcw));
|
| 1516 |
FAIL_IF(push_inst(compiler, MTLR | S(TMP_REG2)));
|
| 1517 |
}
|
| 1518 |
return push_inst(compiler, BLR);
|
| 1519 |
}
|
| 1520 |
|
| 1521 |
/* --------------------------------------------------------------------- */
|
| 1522 |
/* Conditional instructions */
|
| 1523 |
/* --------------------------------------------------------------------- */
|
| 1524 |
|
| 1525 |
SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
|
| 1526 |
{
|
| 1527 |
struct sljit_label *label;
|
| 1528 |
|
| 1529 |
CHECK_ERROR_PTR();
|
| 1530 |
check_sljit_emit_label(compiler);
|
| 1531 |
|
| 1532 |
if (compiler->last_label && compiler->last_label->size == compiler->size)
|
| 1533 |
return compiler->last_label;
|
| 1534 |
|
| 1535 |
label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
|
| 1536 |
PTR_FAIL_IF(!label);
|
| 1537 |
set_label(label, compiler);
|
| 1538 |
return label;
|
| 1539 |
}
|
| 1540 |
|
| 1541 |
static sljit_ins get_bo_bi_flags(struct sljit_compiler *compiler, int type)
|
| 1542 |
{
|
| 1543 |
switch (type) {
|
| 1544 |
case SLJIT_C_EQUAL:
|
| 1545 |
return (12 << 21) | (2 << 16);
|
| 1546 |
|
| 1547 |
case SLJIT_C_NOT_EQUAL:
|
| 1548 |
return (4 << 21) | (2 << 16);
|
| 1549 |
|
| 1550 |
case SLJIT_C_LESS:
|
| 1551 |
case SLJIT_C_FLOAT_LESS:
|
| 1552 |
return (12 << 21) | ((4 + 0) << 16);
|
| 1553 |
|
| 1554 |
case SLJIT_C_GREATER_EQUAL:
|
| 1555 |
case SLJIT_C_FLOAT_GREATER_EQUAL:
|
| 1556 |
return (4 << 21) | ((4 + 0) << 16);
|
| 1557 |
|
| 1558 |
case SLJIT_C_GREATER:
|
| 1559 |
case SLJIT_C_FLOAT_GREATER:
|
| 1560 |
return (12 << 21) | ((4 + 1) << 16);
|
| 1561 |
|
| 1562 |
case SLJIT_C_LESS_EQUAL:
|
| 1563 |
case SLJIT_C_FLOAT_LESS_EQUAL:
|
| 1564 |
return (4 << 21) | ((4 + 1) << 16);
|
| 1565 |
|
| 1566 |
case SLJIT_C_SIG_LESS:
|
| 1567 |
return (12 << 21) | (0 << 16);
|
| 1568 |
|
| 1569 |
case SLJIT_C_SIG_GREATER_EQUAL:
|
| 1570 |
return (4 << 21) | (0 << 16);
|
| 1571 |
|
| 1572 |
case SLJIT_C_SIG_GREATER:
|
| 1573 |
return (12 << 21) | (1 << 16);
|
| 1574 |
|
| 1575 |
case SLJIT_C_SIG_LESS_EQUAL:
|
| 1576 |
return (4 << 21) | (1 << 16);
|
| 1577 |
|
| 1578 |
case SLJIT_C_OVERFLOW:
|
| 1579 |
case SLJIT_C_MUL_OVERFLOW:
|
| 1580 |
return (12 << 21) | (3 << 16);
|
| 1581 |
|
| 1582 |
case SLJIT_C_NOT_OVERFLOW:
|
| 1583 |
case SLJIT_C_MUL_NOT_OVERFLOW:
|
| 1584 |
return (4 << 21) | (3 << 16);
|
| 1585 |
|
| 1586 |
case SLJIT_C_FLOAT_EQUAL:
|
| 1587 |
return (12 << 21) | ((4 + 2) << 16);
|
| 1588 |
|
| 1589 |
case SLJIT_C_FLOAT_NOT_EQUAL:
|
| 1590 |
return (4 << 21) | ((4 + 2) << 16);
|
| 1591 |
|
| 1592 |
case SLJIT_C_FLOAT_NAN:
|
| 1593 |
return (12 << 21) | ((4 + 3) << 16);
|
| 1594 |
|
| 1595 |
case SLJIT_C_FLOAT_NOT_NAN:
|
| 1596 |
return (4 << 21) | ((4 + 3) << 16);
|
| 1597 |
|
| 1598 |
default:
|
| 1599 |
SLJIT_ASSERT(type >= SLJIT_JUMP && type <= SLJIT_CALL3);
|
| 1600 |
return (20 << 21);
|
| 1601 |
}
|
| 1602 |
}
|
| 1603 |
|
| 1604 |
SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, int type)
|
| 1605 |
{
|
| 1606 |
struct sljit_jump *jump;
|
| 1607 |
sljit_ins bo_bi_flags;
|
| 1608 |
|
| 1609 |
CHECK_ERROR_PTR();
|
| 1610 |
check_sljit_emit_jump(compiler, type);
|
| 1611 |
|
| 1612 |
bo_bi_flags = get_bo_bi_flags(compiler, type & 0xff);
|
| 1613 |
if (!bo_bi_flags)
|
| 1614 |
return NULL;
|
| 1615 |
|
| 1616 |
jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
|
| 1617 |
PTR_FAIL_IF(!jump);
|
| 1618 |
set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
|
| 1619 |
type &= 0xff;
|
| 1620 |
|
| 1621 |
/* In PPC, we don't need to touch the arguments. */
|
| 1622 |
if (type >= SLJIT_JUMP)
|
| 1623 |
jump->flags |= UNCOND_B;
|
| 1624 |
|
| 1625 |
PTR_FAIL_IF(emit_const(compiler, TMP_REG1, 0));
|
| 1626 |
PTR_FAIL_IF(push_inst(compiler, MTCTR | S(TMP_REG1)));
|
| 1627 |
jump->addr = compiler->size;
|
| 1628 |
PTR_FAIL_IF(push_inst(compiler, BCCTR | bo_bi_flags | (type >= SLJIT_FAST_CALL ? 1 : 0)));
|
| 1629 |
return jump;
|
| 1630 |
}
|
| 1631 |
|
| 1632 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_ijump(struct sljit_compiler *compiler, int type, int src, sljit_w srcw)
|
| 1633 |
{
|
| 1634 |
sljit_ins bo_bi_flags;
|
| 1635 |
struct sljit_jump *jump = NULL;
|
| 1636 |
int src_r;
|
| 1637 |
|
| 1638 |
CHECK_ERROR();
|
| 1639 |
check_sljit_emit_ijump(compiler, type, src, srcw);
|
| 1640 |
|
| 1641 |
bo_bi_flags = get_bo_bi_flags(compiler, type);
|
| 1642 |
FAIL_IF(!bo_bi_flags);
|
| 1643 |
|
| 1644 |
if (src >= SLJIT_TEMPORARY_REG1 && src <= SLJIT_NO_REGISTERS)
|
| 1645 |
src_r = src;
|
| 1646 |
else if (src & SLJIT_IMM) {
|
| 1647 |
jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
|
| 1648 |
FAIL_IF(!jump);
|
| 1649 |
set_jump(jump, compiler, JUMP_ADDR | UNCOND_B);
|
| 1650 |
jump->u.target = srcw;
|
| 1651 |
|
| 1652 |
FAIL_IF(emit_const(compiler, TMP_REG2, 0));
|
| 1653 |
src_r = TMP_REG2;
|
| 1654 |
}
|
| 1655 |
else {
|
| 1656 |
FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, TMP_REG2, 0, TMP_REG1, 0, src, srcw));
|
| 1657 |
src_r = TMP_REG2;
|
| 1658 |
}
|
| 1659 |
|
| 1660 |
FAIL_IF(push_inst(compiler, MTCTR | S(src_r)));
|
| 1661 |
if (jump)
|
| 1662 |
jump->addr = compiler->size;
|
| 1663 |
return push_inst(compiler, BCCTR | bo_bi_flags | (type >= SLJIT_FAST_CALL ? 1 : 0));
|
| 1664 |
}
|
| 1665 |
|
| 1666 |
/* Get a bit from CR, all other bits are zeroed. */
|
| 1667 |
#define GET_CR_BIT(bit, dst) \
|
| 1668 |
FAIL_IF(push_inst(compiler, MFCR | D(dst))); \
|
| 1669 |
FAIL_IF(push_inst(compiler, RLWINM | S(dst) | A(dst) | ((1 + (bit)) << 11) | (31 << 6) | (31 << 1)));
|
| 1670 |
|
| 1671 |
#define INVERT_BIT(dst) \
|
| 1672 |
FAIL_IF(push_inst(compiler, XORI | S(dst) | A(dst) | 0x1));
|
| 1673 |
|
| 1674 |
SLJIT_API_FUNC_ATTRIBUTE int sljit_emit_cond_value(struct sljit_compiler *compiler, int op, int dst, sljit_w dstw, int type)
|
| 1675 |
{
|
| 1676 |
int reg;
|
| 1677 |
|
| 1678 |
CHECK_ERROR();
|
| 1679 |
check_sljit_emit_cond_value(compiler, op, dst, dstw, type);
|
| 1680 |
|
| 1681 |
if (dst == SLJIT_UNUSED)
|
| 1682 |
return SLJIT_SUCCESS;
|
| 1683 |
|
| 1684 |
reg = (op == SLJIT_MOV && dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG2;
|
| 1685 |
|
| 1686 |
switch (type) {
|
| 1687 |
case SLJIT_C_EQUAL:
|
| 1688 |
GET_CR_BIT(2, reg);
|
| 1689 |
break;
|
| 1690 |
|
| 1691 |
case SLJIT_C_NOT_EQUAL:
|
| 1692 |
GET_CR_BIT(2, reg);
|
| 1693 |
INVERT_BIT(reg);
|
| 1694 |
break;
|
| 1695 |
|
| 1696 |
case SLJIT_C_LESS:
|
| 1697 |
case SLJIT_C_FLOAT_LESS:
|
| 1698 |
GET_CR_BIT(4 + 0, reg);
|
| 1699 |
break;
|
| 1700 |
|
| 1701 |
case SLJIT_C_GREATER_EQUAL:
|
| 1702 |
case SLJIT_C_FLOAT_GREATER_EQUAL:
|
| 1703 |
GET_CR_BIT(4 + 0, reg);
|
| 1704 |
INVERT_BIT(reg);
|
| 1705 |
break;
|
| 1706 |
|
| 1707 |
case SLJIT_C_GREATER:
|
| 1708 |
case SLJIT_C_FLOAT_GREATER:
|
| 1709 |
GET_CR_BIT(4 + 1, reg);
|
| 1710 |
break;
|
| 1711 |
|
| 1712 |
case SLJIT_C_LESS_EQUAL:
|
| 1713 |
case SLJIT_C_FLOAT_LESS_EQUAL:
|
| 1714 |
GET_CR_BIT(4 + 1, reg);
|
| 1715 |
INVERT_BIT(reg);
|
| 1716 |
break;
|
| 1717 |
|
| 1718 |
case SLJIT_C_SIG_LESS:
|
| 1719 |
GET_CR_BIT(0, reg);
|
| 1720 |
break;
|
| 1721 |
|
| 1722 |
case SLJIT_C_SIG_GREATER_EQUAL:
|
| 1723 |
GET_CR_BIT(0, reg);
|
| 1724 |
INVERT_BIT(reg);
|
| 1725 |
break;
|
| 1726 |
|
| 1727 |
case SLJIT_C_SIG_GREATER:
|
| 1728 |
GET_CR_BIT(1, reg);
|
| 1729 |
break;
|
| 1730 |
|
| 1731 |
case SLJIT_C_SIG_LESS_EQUAL:
|
| 1732 |
GET_CR_BIT(1, reg);
|
| 1733 |
INVERT_BIT(reg);
|
| 1734 |
break;
|
| 1735 |
|
| 1736 |
case SLJIT_C_OVERFLOW:
|
| 1737 |
case SLJIT_C_MUL_OVERFLOW:
|
| 1738 |
GET_CR_BIT(3, reg);
|
| 1739 |
break;
|
| 1740 |
|
| 1741 |
case SLJIT_C_NOT_OVERFLOW:
|
| 1742 |
case SLJIT_C_MUL_NOT_OVERFLOW:
|
| 1743 |
GET_CR_BIT(3, reg);
|
| 1744 |
INVERT_BIT(reg);
|
| 1745 |
break;
|
| 1746 |
|
| 1747 |
case SLJIT_C_FLOAT_EQUAL:
|
| 1748 |
GET_CR_BIT(4 + 2, reg);
|
| 1749 |
break;
|
| 1750 |
|
| 1751 |
case SLJIT_C_FLOAT_NOT_EQUAL:
|
| 1752 |
GET_CR_BIT(4 + 2, reg);
|
| 1753 |
INVERT_BIT(reg);
|
| 1754 |
break;
|
| 1755 |
|
| 1756 |
case SLJIT_C_FLOAT_NAN:
|
| 1757 |
GET_CR_BIT(4 + 3, reg);
|
| 1758 |
break;
|
| 1759 |
|
| 1760 |
case SLJIT_C_FLOAT_NOT_NAN:
|
| 1761 |
GET_CR_BIT(4 + 3, reg);
|
| 1762 |
INVERT_BIT(reg);
|
| 1763 |
break;
|
| 1764 |
|
| 1765 |
default:
|
| 1766 |
SLJIT_ASSERT_STOP();
|
| 1767 |
break;
|
| 1768 |
}
|
| 1769 |
|
| 1770 |
if (GET_OPCODE(op) == SLJIT_OR)
|
| 1771 |
return emit_op(compiler, GET_OPCODE(op), GET_FLAGS(op) ? ALT_SET_FLAGS : 0, dst, dstw, dst, dstw, TMP_REG2, 0);
|
| 1772 |
|
| 1773 |
if (reg == TMP_REG2)
|
| 1774 |
return emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0);
|
| 1775 |
return SLJIT_SUCCESS;
|
| 1776 |
}
|
| 1777 |
|
| 1778 |
SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, int dst, sljit_w dstw, sljit_w init_value)
|
| 1779 |
{
|
| 1780 |
struct sljit_const *const_;
|
| 1781 |
int reg;
|
| 1782 |
|
| 1783 |
CHECK_ERROR_PTR();
|
| 1784 |
check_sljit_emit_const(compiler, dst, dstw, init_value);
|
| 1785 |
|
| 1786 |
const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
|
| 1787 |
PTR_FAIL_IF(!const_);
|
| 1788 |
set_const(const_, compiler);
|
| 1789 |
|
| 1790 |
reg = (dst >= SLJIT_TEMPORARY_REG1 && dst <= SLJIT_NO_REGISTERS) ? dst : TMP_REG2;
|
| 1791 |
|
| 1792 |
PTR_FAIL_IF(emit_const(compiler, reg, init_value));
|
| 1793 |
|
| 1794 |
if (dst & SLJIT_MEM)
|
| 1795 |
PTR_FAIL_IF(emit_op(compiler, SLJIT_MOV, WORD_DATA, dst, dstw, TMP_REG1, 0, TMP_REG2, 0));
|
| 1796 |
return const_;
|
| 1797 |
}
|
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