1436 lines
45 KiB
C
1436 lines
45 KiB
C
/*
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* Stack-less Just-In-Time compiler
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*
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* Copyright 2009-2012 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 const char* sljit_get_platform_name(void)
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{
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return "SPARC" SLJIT_CPUINFO;
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}
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/* Length of an instruction word
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Both for sparc-32 and sparc-64 */
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typedef sljit_u32 sljit_ins;
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static void sparc_cache_flush(sljit_ins *from, sljit_ins *to)
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{
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#if defined(__SUNPRO_C) && __SUNPRO_C < 0x590
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__asm (
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/* if (from == to) return */
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"cmp %i0, %i1\n"
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"be .leave\n"
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"nop\n"
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/* loop until from >= to */
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".mainloop:\n"
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"flush %i0\n"
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"add %i0, 8, %i0\n"
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"cmp %i0, %i1\n"
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"bcs .mainloop\n"
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"nop\n"
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/* The comparison was done above. */
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"bne .leave\n"
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/* nop is not necessary here, since the
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sub operation has no side effect. */
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"sub %i0, 4, %i0\n"
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"flush %i0\n"
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".leave:"
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);
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#else
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if (SLJIT_UNLIKELY(from == to))
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return;
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do {
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__asm__ volatile (
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"flush %0\n"
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: : "r"(from)
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);
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/* Operates at least on doubleword. */
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from += 2;
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} while (from < to);
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if (from == to) {
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/* Flush the last word. */
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from --;
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__asm__ volatile (
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"flush %0\n"
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: : "r"(from)
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);
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}
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#endif
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}
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/* TMP_REG2 is not used by getput_arg */
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#define TMP_REG1 (SLJIT_NUMBER_OF_REGISTERS + 2)
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#define TMP_REG2 (SLJIT_NUMBER_OF_REGISTERS + 3)
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#define TMP_REG3 (SLJIT_NUMBER_OF_REGISTERS + 4)
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#define TMP_LINK (SLJIT_NUMBER_OF_REGISTERS + 5)
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#define TMP_FREG1 (0)
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#define TMP_FREG2 ((SLJIT_NUMBER_OF_FLOAT_REGISTERS + 1) << 1)
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static const sljit_u8 reg_map[SLJIT_NUMBER_OF_REGISTERS + 6] = {
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0, 8, 9, 10, 13, 29, 28, 27, 23, 22, 21, 20, 19, 18, 17, 16, 26, 25, 24, 14, 1, 11, 12, 15
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};
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/* --------------------------------------------------------------------- */
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/* Instrucion forms */
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/* --------------------------------------------------------------------- */
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#define D(d) (reg_map[d] << 25)
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#define DA(d) ((d) << 25)
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#define S1(s1) (reg_map[s1] << 14)
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#define S2(s2) (reg_map[s2])
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#define S1A(s1) ((s1) << 14)
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#define S2A(s2) (s2)
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#define IMM_ARG 0x2000
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#define DOP(op) ((op) << 5)
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#define IMM(imm) (((imm) & 0x1fff) | IMM_ARG)
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#define DR(dr) (reg_map[dr])
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#define OPC1(opcode) ((opcode) << 30)
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#define OPC2(opcode) ((opcode) << 22)
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#define OPC3(opcode) ((opcode) << 19)
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#define SET_FLAGS OPC3(0x10)
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#define ADD (OPC1(0x2) | OPC3(0x00))
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#define ADDC (OPC1(0x2) | OPC3(0x08))
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#define AND (OPC1(0x2) | OPC3(0x01))
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#define ANDN (OPC1(0x2) | OPC3(0x05))
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#define CALL (OPC1(0x1))
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#define FABSS (OPC1(0x2) | OPC3(0x34) | DOP(0x09))
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#define FADDD (OPC1(0x2) | OPC3(0x34) | DOP(0x42))
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#define FADDS (OPC1(0x2) | OPC3(0x34) | DOP(0x41))
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#define FCMPD (OPC1(0x2) | OPC3(0x35) | DOP(0x52))
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#define FCMPS (OPC1(0x2) | OPC3(0x35) | DOP(0x51))
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#define FDIVD (OPC1(0x2) | OPC3(0x34) | DOP(0x4e))
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#define FDIVS (OPC1(0x2) | OPC3(0x34) | DOP(0x4d))
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#define FDTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd2))
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#define FDTOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc6))
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#define FITOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc8))
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#define FITOS (OPC1(0x2) | OPC3(0x34) | DOP(0xc4))
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#define FMOVS (OPC1(0x2) | OPC3(0x34) | DOP(0x01))
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#define FMULD (OPC1(0x2) | OPC3(0x34) | DOP(0x4a))
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#define FMULS (OPC1(0x2) | OPC3(0x34) | DOP(0x49))
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#define FNEGS (OPC1(0x2) | OPC3(0x34) | DOP(0x05))
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#define FSTOD (OPC1(0x2) | OPC3(0x34) | DOP(0xc9))
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#define FSTOI (OPC1(0x2) | OPC3(0x34) | DOP(0xd1))
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#define FSUBD (OPC1(0x2) | OPC3(0x34) | DOP(0x46))
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#define FSUBS (OPC1(0x2) | OPC3(0x34) | DOP(0x45))
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#define JMPL (OPC1(0x2) | OPC3(0x38))
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#define NOP (OPC1(0x0) | OPC2(0x04))
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#define OR (OPC1(0x2) | OPC3(0x02))
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#define ORN (OPC1(0x2) | OPC3(0x06))
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#define RDY (OPC1(0x2) | OPC3(0x28) | S1A(0))
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#define RESTORE (OPC1(0x2) | OPC3(0x3d))
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#define SAVE (OPC1(0x2) | OPC3(0x3c))
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#define SETHI (OPC1(0x0) | OPC2(0x04))
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#define SLL (OPC1(0x2) | OPC3(0x25))
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#define SLLX (OPC1(0x2) | OPC3(0x25) | (1 << 12))
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#define SRA (OPC1(0x2) | OPC3(0x27))
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#define SRAX (OPC1(0x2) | OPC3(0x27) | (1 << 12))
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#define SRL (OPC1(0x2) | OPC3(0x26))
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#define SRLX (OPC1(0x2) | OPC3(0x26) | (1 << 12))
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#define SUB (OPC1(0x2) | OPC3(0x04))
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#define SUBC (OPC1(0x2) | OPC3(0x0c))
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#define TA (OPC1(0x2) | OPC3(0x3a) | (8 << 25))
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#define WRY (OPC1(0x2) | OPC3(0x30) | DA(0))
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#define XOR (OPC1(0x2) | OPC3(0x03))
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#define XNOR (OPC1(0x2) | OPC3(0x07))
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#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
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#define MAX_DISP (0x1fffff)
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#define MIN_DISP (-0x200000)
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#define DISP_MASK (0x3fffff)
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#define BICC (OPC1(0x0) | OPC2(0x2))
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#define FBFCC (OPC1(0x0) | OPC2(0x6))
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#define SLL_W SLL
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#define SDIV (OPC1(0x2) | OPC3(0x0f))
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#define SMUL (OPC1(0x2) | OPC3(0x0b))
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#define UDIV (OPC1(0x2) | OPC3(0x0e))
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#define UMUL (OPC1(0x2) | OPC3(0x0a))
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#else
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#define SLL_W SLLX
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#endif
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#define SIMM_MAX (0x0fff)
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#define SIMM_MIN (-0x1000)
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/* dest_reg is the absolute name of the register
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Useful for reordering instructions in the delay slot. */
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static sljit_s32 push_inst(struct sljit_compiler *compiler, sljit_ins ins, sljit_s32 delay_slot)
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{
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sljit_ins *ptr;
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SLJIT_ASSERT((delay_slot & DST_INS_MASK) == UNMOVABLE_INS
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|| (delay_slot & DST_INS_MASK) == MOVABLE_INS
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|| (delay_slot & DST_INS_MASK) == ((ins >> 25) & 0x1f));
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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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compiler->delay_slot = delay_slot;
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return SLJIT_SUCCESS;
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}
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static SLJIT_INLINE sljit_ins* detect_jump_type(struct sljit_jump *jump, sljit_ins *code_ptr, sljit_ins *code)
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{
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sljit_sw diff;
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sljit_uw target_addr;
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sljit_ins *inst;
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sljit_ins saved_inst;
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if (jump->flags & SLJIT_REWRITABLE_JUMP)
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return code_ptr;
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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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inst = (sljit_ins*)jump->addr;
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#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
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if (jump->flags & IS_CALL) {
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/* Call is always patchable on sparc 32. */
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jump->flags |= PATCH_CALL;
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if (jump->flags & IS_MOVABLE) {
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inst[0] = inst[-1];
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inst[-1] = CALL;
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jump->addr -= sizeof(sljit_ins);
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return inst;
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}
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inst[0] = CALL;
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inst[1] = NOP;
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return inst + 1;
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}
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#else
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/* Both calls and BPr instructions shall not pass this point. */
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#error "Implementation required"
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#endif
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if (jump->flags & IS_COND)
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inst--;
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if (jump->flags & IS_MOVABLE) {
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diff = ((sljit_sw)target_addr - (sljit_sw)(inst - 1)) >> 2;
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if (diff <= MAX_DISP && diff >= MIN_DISP) {
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jump->flags |= PATCH_B;
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inst--;
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if (jump->flags & IS_COND) {
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saved_inst = inst[0];
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inst[0] = inst[1] ^ (1 << 28);
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inst[1] = saved_inst;
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} else {
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inst[1] = inst[0];
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inst[0] = BICC | DA(0x8);
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}
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jump->addr = (sljit_uw)inst;
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return inst + 1;
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}
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}
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diff = ((sljit_sw)target_addr - (sljit_sw)(inst)) >> 2;
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if (diff <= MAX_DISP && diff >= MIN_DISP) {
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jump->flags |= PATCH_B;
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if (jump->flags & IS_COND)
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inst[0] ^= (1 << 28);
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else
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inst[0] = BICC | DA(0x8);
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inst[1] = NOP;
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jump->addr = (sljit_uw)inst;
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return inst + 1;
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}
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return code_ptr;
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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_PTR(check_sljit_generate_code(compiler));
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reverse_buf(compiler);
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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_SPARC_32 && SLJIT_CONFIG_SPARC_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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code_ptr = detect_jump_type(jump, code_ptr, code);
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jump = jump->next;
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}
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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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buf = buf->next;
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} while (buf);
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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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}
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SLJIT_ASSERT(!label);
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SLJIT_ASSERT(!jump);
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SLJIT_ASSERT(!const_);
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SLJIT_ASSERT(code_ptr - code <= (sljit_s32)compiler->size);
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jump = compiler->jumps;
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while (jump) {
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do {
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addr = (jump->flags & JUMP_LABEL) ? jump->u.label->addr : jump->u.target;
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buf_ptr = (sljit_ins*)jump->addr;
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if (jump->flags & PATCH_CALL) {
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addr = (sljit_sw)(addr - jump->addr) >> 2;
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SLJIT_ASSERT((sljit_sw)addr <= 0x1fffffff && (sljit_sw)addr >= -0x20000000);
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buf_ptr[0] = CALL | (addr & 0x3fffffff);
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break;
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}
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if (jump->flags & PATCH_B) {
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addr = (sljit_sw)(addr - jump->addr) >> 2;
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SLJIT_ASSERT((sljit_sw)addr <= MAX_DISP && (sljit_sw)addr >= MIN_DISP);
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buf_ptr[0] = (buf_ptr[0] & ~DISP_MASK) | (addr & DISP_MASK);
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break;
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}
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|
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/* Set the fields of immediate loads. */
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#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
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buf_ptr[0] = (buf_ptr[0] & 0xffc00000) | ((addr >> 10) & 0x3fffff);
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buf_ptr[1] = (buf_ptr[1] & 0xfffffc00) | (addr & 0x3ff);
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#else
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#error "Implementation required"
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#endif
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} while (0);
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jump = jump->next;
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}
|
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|
|
|
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compiler->error = SLJIT_ERR_COMPILED;
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compiler->executable_size = (code_ptr - code) * sizeof(sljit_ins);
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SLJIT_CACHE_FLUSH(code, code_ptr);
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return code;
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}
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
/* Entry, exit */
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
/* Creates an index in data_transfer_insts array. */
|
|
#define LOAD_DATA 0x01
|
|
#define WORD_DATA 0x00
|
|
#define BYTE_DATA 0x02
|
|
#define HALF_DATA 0x04
|
|
#define INT_DATA 0x06
|
|
#define SIGNED_DATA 0x08
|
|
/* Separates integer and floating point registers */
|
|
#define GPR_REG 0x0f
|
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#define DOUBLE_DATA 0x10
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#define SINGLE_DATA 0x12
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|
|
#define MEM_MASK 0x1f
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|
|
#define WRITE_BACK 0x00020
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#define ARG_TEST 0x00040
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#define ALT_KEEP_CACHE 0x00080
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|
#define CUMULATIVE_OP 0x00100
|
|
#define IMM_OP 0x00200
|
|
#define SRC2_IMM 0x00400
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|
|
#define REG_DEST 0x00800
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#define REG2_SOURCE 0x01000
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#define SLOW_SRC1 0x02000
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#define SLOW_SRC2 0x04000
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#define SLOW_DEST 0x08000
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|
|
|
/* SET_FLAGS (0x10 << 19) also belong here! */
|
|
|
|
#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
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#include "sljitNativeSPARC_32.c"
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#else
|
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#include "sljitNativeSPARC_64.c"
|
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#endif
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_enter(struct sljit_compiler *compiler,
|
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sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
|
|
sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
|
|
{
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size));
|
|
set_emit_enter(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size);
|
|
|
|
local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
|
|
compiler->local_size = local_size;
|
|
|
|
if (local_size <= SIMM_MAX) {
|
|
FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | IMM(-local_size), UNMOVABLE_INS));
|
|
}
|
|
else {
|
|
FAIL_IF(load_immediate(compiler, TMP_REG1, -local_size));
|
|
FAIL_IF(push_inst(compiler, SAVE | D(SLJIT_SP) | S1(SLJIT_SP) | S2(TMP_REG1), UNMOVABLE_INS));
|
|
}
|
|
|
|
/* Arguments are in their appropriate registers. */
|
|
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_set_context(struct sljit_compiler *compiler,
|
|
sljit_s32 options, sljit_s32 args, sljit_s32 scratches, sljit_s32 saveds,
|
|
sljit_s32 fscratches, sljit_s32 fsaveds, sljit_s32 local_size)
|
|
{
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size));
|
|
set_set_context(compiler, options, args, scratches, saveds, fscratches, fsaveds, local_size);
|
|
|
|
compiler->local_size = (local_size + SLJIT_LOCALS_OFFSET + 7) & ~0x7;
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_return(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 src, sljit_sw srcw)
|
|
{
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_return(compiler, op, src, srcw));
|
|
|
|
if (op != SLJIT_MOV || !FAST_IS_REG(src)) {
|
|
FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
|
|
src = SLJIT_R0;
|
|
}
|
|
|
|
FAIL_IF(push_inst(compiler, JMPL | D(0) | S1A(31) | IMM(8), UNMOVABLE_INS));
|
|
return push_inst(compiler, RESTORE | D(SLJIT_R0) | S1(src) | S2(0), UNMOVABLE_INS);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
/* Operators */
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
|
|
#define ARCH_32_64(a, b) a
|
|
#else
|
|
#define ARCH_32_64(a, b) b
|
|
#endif
|
|
|
|
static const sljit_ins data_transfer_insts[16 + 4] = {
|
|
/* u w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
|
|
/* u w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
|
|
/* u b s */ OPC1(3) | OPC3(0x05) /* stb */,
|
|
/* u b l */ OPC1(3) | OPC3(0x01) /* ldub */,
|
|
/* u h s */ OPC1(3) | OPC3(0x06) /* sth */,
|
|
/* u h l */ OPC1(3) | OPC3(0x02) /* lduh */,
|
|
/* u i s */ OPC1(3) | OPC3(0x04) /* stw */,
|
|
/* u i l */ OPC1(3) | OPC3(0x00) /* lduw */,
|
|
|
|
/* s w s */ ARCH_32_64(OPC1(3) | OPC3(0x04) /* stw */, OPC1(3) | OPC3(0x0e) /* stx */),
|
|
/* s w l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x0b) /* ldx */),
|
|
/* s b s */ OPC1(3) | OPC3(0x05) /* stb */,
|
|
/* s b l */ OPC1(3) | OPC3(0x09) /* ldsb */,
|
|
/* s h s */ OPC1(3) | OPC3(0x06) /* sth */,
|
|
/* s h l */ OPC1(3) | OPC3(0x0a) /* ldsh */,
|
|
/* s i s */ OPC1(3) | OPC3(0x04) /* stw */,
|
|
/* s i l */ ARCH_32_64(OPC1(3) | OPC3(0x00) /* lduw */, OPC1(3) | OPC3(0x08) /* ldsw */),
|
|
|
|
/* d s */ OPC1(3) | OPC3(0x27),
|
|
/* d l */ OPC1(3) | OPC3(0x23),
|
|
/* s s */ OPC1(3) | OPC3(0x24),
|
|
/* s l */ OPC1(3) | OPC3(0x20),
|
|
};
|
|
|
|
#undef ARCH_32_64
|
|
|
|
/* Can perform an operation using at most 1 instruction. */
|
|
static sljit_s32 getput_arg_fast(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
|
|
{
|
|
SLJIT_ASSERT(arg & SLJIT_MEM);
|
|
|
|
if (!(flags & WRITE_BACK) || !(arg & REG_MASK)) {
|
|
if ((!(arg & OFFS_REG_MASK) && argw <= SIMM_MAX && argw >= SIMM_MIN)
|
|
|| ((arg & OFFS_REG_MASK) && (argw & 0x3) == 0)) {
|
|
/* Works for both absoulte and relative addresses (immediate case). */
|
|
if (SLJIT_UNLIKELY(flags & ARG_TEST))
|
|
return 1;
|
|
FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK]
|
|
| ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg))
|
|
| S1(arg & REG_MASK) | ((arg & OFFS_REG_MASK) ? S2(OFFS_REG(arg)) : IMM(argw)),
|
|
((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS));
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* See getput_arg below.
|
|
Note: can_cache is called only for binary operators. Those
|
|
operators always uses word arguments without write back. */
|
|
static sljit_s32 can_cache(sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
|
|
{
|
|
SLJIT_ASSERT((arg & SLJIT_MEM) && (next_arg & SLJIT_MEM));
|
|
|
|
/* Simple operation except for updates. */
|
|
if (arg & OFFS_REG_MASK) {
|
|
argw &= 0x3;
|
|
SLJIT_ASSERT(argw);
|
|
next_argw &= 0x3;
|
|
if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == next_argw)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
if (((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
/* Emit the necessary instructions. See can_cache above. */
|
|
static sljit_s32 getput_arg(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw, sljit_s32 next_arg, sljit_sw next_argw)
|
|
{
|
|
sljit_s32 base, arg2, delay_slot;
|
|
sljit_ins dest;
|
|
|
|
SLJIT_ASSERT(arg & SLJIT_MEM);
|
|
if (!(next_arg & SLJIT_MEM)) {
|
|
next_arg = 0;
|
|
next_argw = 0;
|
|
}
|
|
|
|
base = arg & REG_MASK;
|
|
if (SLJIT_UNLIKELY(arg & OFFS_REG_MASK)) {
|
|
argw &= 0x3;
|
|
SLJIT_ASSERT(argw != 0);
|
|
|
|
/* Using the cache. */
|
|
if (((SLJIT_MEM | (arg & OFFS_REG_MASK)) == compiler->cache_arg) && (argw == compiler->cache_argw))
|
|
arg2 = TMP_REG3;
|
|
else {
|
|
if ((arg & OFFS_REG_MASK) == (next_arg & OFFS_REG_MASK) && argw == (next_argw & 0x3)) {
|
|
compiler->cache_arg = SLJIT_MEM | (arg & OFFS_REG_MASK);
|
|
compiler->cache_argw = argw;
|
|
arg2 = TMP_REG3;
|
|
}
|
|
else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base && reg != OFFS_REG(arg))
|
|
arg2 = reg;
|
|
else /* It must be a mov operation, so tmp1 must be free to use. */
|
|
arg2 = TMP_REG1;
|
|
FAIL_IF(push_inst(compiler, SLL_W | D(arg2) | S1(OFFS_REG(arg)) | IMM_ARG | argw, DR(arg2)));
|
|
}
|
|
}
|
|
else {
|
|
/* Using the cache. */
|
|
if ((compiler->cache_arg == SLJIT_MEM) && (argw - compiler->cache_argw) <= SIMM_MAX && (argw - compiler->cache_argw) >= SIMM_MIN) {
|
|
if (argw != compiler->cache_argw) {
|
|
FAIL_IF(push_inst(compiler, ADD | D(TMP_REG3) | S1(TMP_REG3) | IMM(argw - compiler->cache_argw), DR(TMP_REG3)));
|
|
compiler->cache_argw = argw;
|
|
}
|
|
arg2 = TMP_REG3;
|
|
} else {
|
|
if ((next_argw - argw) <= SIMM_MAX && (next_argw - argw) >= SIMM_MIN) {
|
|
compiler->cache_arg = SLJIT_MEM;
|
|
compiler->cache_argw = argw;
|
|
arg2 = TMP_REG3;
|
|
}
|
|
else if ((flags & LOAD_DATA) && ((flags & MEM_MASK) <= GPR_REG) && reg != base)
|
|
arg2 = reg;
|
|
else /* It must be a mov operation, so tmp1 must be free to use. */
|
|
arg2 = TMP_REG1;
|
|
FAIL_IF(load_immediate(compiler, arg2, argw));
|
|
}
|
|
}
|
|
|
|
dest = ((flags & MEM_MASK) <= GPR_REG ? D(reg) : DA(reg));
|
|
delay_slot = ((flags & MEM_MASK) <= GPR_REG && (flags & LOAD_DATA)) ? DR(reg) : MOVABLE_INS;
|
|
if (!base)
|
|
return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(arg2) | IMM(0), delay_slot);
|
|
if (!(flags & WRITE_BACK))
|
|
return push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot);
|
|
FAIL_IF(push_inst(compiler, data_transfer_insts[flags & MEM_MASK] | dest | S1(base) | S2(arg2), delay_slot));
|
|
return push_inst(compiler, ADD | D(base) | S1(base) | S2(arg2), DR(base));
|
|
}
|
|
|
|
static SLJIT_INLINE sljit_s32 emit_op_mem(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg, sljit_sw argw)
|
|
{
|
|
if (getput_arg_fast(compiler, flags, reg, arg, argw))
|
|
return compiler->error;
|
|
compiler->cache_arg = 0;
|
|
compiler->cache_argw = 0;
|
|
return getput_arg(compiler, flags, reg, arg, argw, 0, 0);
|
|
}
|
|
|
|
static SLJIT_INLINE sljit_s32 emit_op_mem2(struct sljit_compiler *compiler, sljit_s32 flags, sljit_s32 reg, sljit_s32 arg1, sljit_sw arg1w, sljit_s32 arg2, sljit_sw arg2w)
|
|
{
|
|
if (getput_arg_fast(compiler, flags, reg, arg1, arg1w))
|
|
return compiler->error;
|
|
return getput_arg(compiler, flags, reg, arg1, arg1w, arg2, arg2w);
|
|
}
|
|
|
|
static sljit_s32 emit_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags,
|
|
sljit_s32 dst, sljit_sw dstw,
|
|
sljit_s32 src1, sljit_sw src1w,
|
|
sljit_s32 src2, sljit_sw src2w)
|
|
{
|
|
/* arg1 goes to TMP_REG1 or src reg
|
|
arg2 goes to TMP_REG2, imm or src reg
|
|
TMP_REG3 can be used for caching
|
|
result goes to TMP_REG2, so put result can use TMP_REG1 and TMP_REG3. */
|
|
sljit_s32 dst_r = TMP_REG2;
|
|
sljit_s32 src1_r;
|
|
sljit_sw src2_r = 0;
|
|
sljit_s32 sugg_src2_r = TMP_REG2;
|
|
|
|
if (!(flags & ALT_KEEP_CACHE)) {
|
|
compiler->cache_arg = 0;
|
|
compiler->cache_argw = 0;
|
|
}
|
|
|
|
if (SLJIT_UNLIKELY(dst == SLJIT_UNUSED)) {
|
|
if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32 && !(src2 & SLJIT_MEM))
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
else if (FAST_IS_REG(dst)) {
|
|
dst_r = dst;
|
|
flags |= REG_DEST;
|
|
if (op >= SLJIT_MOV && op <= SLJIT_MOVU_S32)
|
|
sugg_src2_r = dst_r;
|
|
}
|
|
else if ((dst & SLJIT_MEM) && !getput_arg_fast(compiler, flags | ARG_TEST, TMP_REG1, dst, dstw))
|
|
flags |= SLOW_DEST;
|
|
|
|
if (flags & IMM_OP) {
|
|
if ((src2 & SLJIT_IMM) && src2w) {
|
|
if (src2w <= SIMM_MAX && src2w >= SIMM_MIN) {
|
|
flags |= SRC2_IMM;
|
|
src2_r = src2w;
|
|
}
|
|
}
|
|
if (!(flags & SRC2_IMM) && (flags & CUMULATIVE_OP) && (src1 & SLJIT_IMM) && src1w) {
|
|
if (src1w <= SIMM_MAX && src1w >= SIMM_MIN) {
|
|
flags |= SRC2_IMM;
|
|
src2_r = src1w;
|
|
|
|
/* And swap arguments. */
|
|
src1 = src2;
|
|
src1w = src2w;
|
|
src2 = SLJIT_IMM;
|
|
/* src2w = src2_r unneeded. */
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Source 1. */
|
|
if (FAST_IS_REG(src1))
|
|
src1_r = src1;
|
|
else if (src1 & SLJIT_IMM) {
|
|
if (src1w) {
|
|
FAIL_IF(load_immediate(compiler, TMP_REG1, src1w));
|
|
src1_r = TMP_REG1;
|
|
}
|
|
else
|
|
src1_r = 0;
|
|
}
|
|
else {
|
|
if (getput_arg_fast(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w))
|
|
FAIL_IF(compiler->error);
|
|
else
|
|
flags |= SLOW_SRC1;
|
|
src1_r = TMP_REG1;
|
|
}
|
|
|
|
/* Source 2. */
|
|
if (FAST_IS_REG(src2)) {
|
|
src2_r = src2;
|
|
flags |= REG2_SOURCE;
|
|
if (!(flags & REG_DEST) && op >= SLJIT_MOV && op <= SLJIT_MOVU_S32)
|
|
dst_r = src2_r;
|
|
}
|
|
else if (src2 & SLJIT_IMM) {
|
|
if (!(flags & SRC2_IMM)) {
|
|
if (src2w) {
|
|
FAIL_IF(load_immediate(compiler, sugg_src2_r, src2w));
|
|
src2_r = sugg_src2_r;
|
|
}
|
|
else {
|
|
src2_r = 0;
|
|
if ((op >= SLJIT_MOV && op <= SLJIT_MOVU_S32) && (dst & SLJIT_MEM))
|
|
dst_r = 0;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if (getput_arg_fast(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w))
|
|
FAIL_IF(compiler->error);
|
|
else
|
|
flags |= SLOW_SRC2;
|
|
src2_r = sugg_src2_r;
|
|
}
|
|
|
|
if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
|
|
SLJIT_ASSERT(src2_r == TMP_REG2);
|
|
if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
|
|
FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, src1, src1w));
|
|
FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
|
|
}
|
|
else {
|
|
FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, src2, src2w));
|
|
FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG2, src2, src2w, dst, dstw));
|
|
}
|
|
}
|
|
else if (flags & SLOW_SRC1)
|
|
FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, TMP_REG1, src1, src1w, dst, dstw));
|
|
else if (flags & SLOW_SRC2)
|
|
FAIL_IF(getput_arg(compiler, flags | LOAD_DATA, sugg_src2_r, src2, src2w, dst, dstw));
|
|
|
|
FAIL_IF(emit_single_op(compiler, op, flags, dst_r, src1_r, src2_r));
|
|
|
|
if (dst & SLJIT_MEM) {
|
|
if (!(flags & SLOW_DEST)) {
|
|
getput_arg_fast(compiler, flags, dst_r, dst, dstw);
|
|
return compiler->error;
|
|
}
|
|
return getput_arg(compiler, flags, dst_r, dst, dstw, 0, 0);
|
|
}
|
|
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op0(struct sljit_compiler *compiler, sljit_s32 op)
|
|
{
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_op0(compiler, op));
|
|
|
|
op = GET_OPCODE(op);
|
|
switch (op) {
|
|
case SLJIT_BREAKPOINT:
|
|
return push_inst(compiler, TA, UNMOVABLE_INS);
|
|
case SLJIT_NOP:
|
|
return push_inst(compiler, NOP, UNMOVABLE_INS);
|
|
case SLJIT_LMUL_UW:
|
|
case SLJIT_LMUL_SW:
|
|
#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
|
|
FAIL_IF(push_inst(compiler, (op == SLJIT_LMUL_UW ? UMUL : SMUL) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
|
|
return push_inst(compiler, RDY | D(SLJIT_R1), DR(SLJIT_R1));
|
|
#else
|
|
#error "Implementation required"
|
|
#endif
|
|
case SLJIT_DIVMOD_UW:
|
|
case SLJIT_DIVMOD_SW:
|
|
case SLJIT_DIV_UW:
|
|
case SLJIT_DIV_SW:
|
|
SLJIT_COMPILE_ASSERT((SLJIT_DIVMOD_UW & 0x2) == 0 && SLJIT_DIV_UW - 0x2 == SLJIT_DIVMOD_UW, bad_div_opcode_assignments);
|
|
#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
|
|
if ((op | 0x2) == SLJIT_DIV_UW)
|
|
FAIL_IF(push_inst(compiler, WRY | S1(0), MOVABLE_INS));
|
|
else {
|
|
FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(SLJIT_R0) | IMM(31), DR(TMP_REG1)));
|
|
FAIL_IF(push_inst(compiler, WRY | S1(TMP_REG1), MOVABLE_INS));
|
|
}
|
|
if (op <= SLJIT_DIVMOD_SW)
|
|
FAIL_IF(push_inst(compiler, OR | D(TMP_REG2) | S1(0) | S2(SLJIT_R0), DR(TMP_REG2)));
|
|
FAIL_IF(push_inst(compiler, ((op | 0x2) == SLJIT_DIV_UW ? UDIV : SDIV) | D(SLJIT_R0) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R0)));
|
|
if (op >= SLJIT_DIV_UW)
|
|
return SLJIT_SUCCESS;
|
|
FAIL_IF(push_inst(compiler, SMUL | D(SLJIT_R1) | S1(SLJIT_R0) | S2(SLJIT_R1), DR(SLJIT_R1)));
|
|
return push_inst(compiler, SUB | D(SLJIT_R1) | S1(TMP_REG2) | S2(SLJIT_R1), DR(SLJIT_R1));
|
|
#else
|
|
#error "Implementation required"
|
|
#endif
|
|
}
|
|
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op1(struct sljit_compiler *compiler, sljit_s32 op,
|
|
sljit_s32 dst, sljit_sw dstw,
|
|
sljit_s32 src, sljit_sw srcw)
|
|
{
|
|
sljit_s32 flags = GET_FLAGS(op) ? SET_FLAGS : 0;
|
|
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_op1(compiler, op, dst, dstw, src, srcw));
|
|
ADJUST_LOCAL_OFFSET(dst, dstw);
|
|
ADJUST_LOCAL_OFFSET(src, srcw);
|
|
|
|
op = GET_OPCODE(op);
|
|
switch (op) {
|
|
case SLJIT_MOV:
|
|
case SLJIT_MOV_P:
|
|
return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
|
|
|
|
case SLJIT_MOV_U32:
|
|
return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
|
|
|
|
case SLJIT_MOV_S32:
|
|
return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, srcw);
|
|
|
|
case SLJIT_MOV_U8:
|
|
return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw);
|
|
|
|
case SLJIT_MOV_S8:
|
|
return emit_op(compiler, SLJIT_MOV_S8, flags | BYTE_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw);
|
|
|
|
case SLJIT_MOV_U16:
|
|
return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw);
|
|
|
|
case SLJIT_MOV_S16:
|
|
return emit_op(compiler, SLJIT_MOV_S16, flags | HALF_DATA | SIGNED_DATA, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw);
|
|
|
|
case SLJIT_MOVU:
|
|
case SLJIT_MOVU_P:
|
|
return emit_op(compiler, SLJIT_MOV, flags | WORD_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
|
|
|
|
case SLJIT_MOVU_U32:
|
|
return emit_op(compiler, SLJIT_MOV_U32, flags | INT_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
|
|
|
|
case SLJIT_MOVU_S32:
|
|
return emit_op(compiler, SLJIT_MOV_S32, flags | INT_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, srcw);
|
|
|
|
case SLJIT_MOVU_U8:
|
|
return emit_op(compiler, SLJIT_MOV_U8, flags | BYTE_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u8)srcw : srcw);
|
|
|
|
case SLJIT_MOVU_S8:
|
|
return emit_op(compiler, SLJIT_MOV_S8, flags | BYTE_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s8)srcw : srcw);
|
|
|
|
case SLJIT_MOVU_U16:
|
|
return emit_op(compiler, SLJIT_MOV_U16, flags | HALF_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_u16)srcw : srcw);
|
|
|
|
case SLJIT_MOVU_S16:
|
|
return emit_op(compiler, SLJIT_MOV_S16, flags | HALF_DATA | SIGNED_DATA | WRITE_BACK, dst, dstw, TMP_REG1, 0, src, (src & SLJIT_IMM) ? (sljit_s16)srcw : srcw);
|
|
|
|
case SLJIT_NOT:
|
|
case SLJIT_CLZ:
|
|
return emit_op(compiler, op, flags, dst, dstw, TMP_REG1, 0, src, srcw);
|
|
|
|
case SLJIT_NEG:
|
|
return emit_op(compiler, SLJIT_SUB, flags | IMM_OP, dst, dstw, SLJIT_IMM, 0, src, srcw);
|
|
}
|
|
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op2(struct sljit_compiler *compiler, sljit_s32 op,
|
|
sljit_s32 dst, sljit_sw dstw,
|
|
sljit_s32 src1, sljit_sw src1w,
|
|
sljit_s32 src2, sljit_sw src2w)
|
|
{
|
|
sljit_s32 flags = GET_FLAGS(op) ? SET_FLAGS : 0;
|
|
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_op2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
|
|
ADJUST_LOCAL_OFFSET(dst, dstw);
|
|
ADJUST_LOCAL_OFFSET(src1, src1w);
|
|
ADJUST_LOCAL_OFFSET(src2, src2w);
|
|
|
|
op = GET_OPCODE(op);
|
|
switch (op) {
|
|
case SLJIT_ADD:
|
|
case SLJIT_ADDC:
|
|
case SLJIT_MUL:
|
|
case SLJIT_AND:
|
|
case SLJIT_OR:
|
|
case SLJIT_XOR:
|
|
return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
|
|
|
|
case SLJIT_SUB:
|
|
case SLJIT_SUBC:
|
|
return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
|
|
|
|
case SLJIT_SHL:
|
|
case SLJIT_LSHR:
|
|
case SLJIT_ASHR:
|
|
#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
|
|
if (src2 & SLJIT_IMM)
|
|
src2w &= 0x1f;
|
|
#else
|
|
SLJIT_ASSERT_STOP();
|
|
#endif
|
|
return emit_op(compiler, op, flags | IMM_OP, dst, dstw, src1, src1w, src2, src2w);
|
|
}
|
|
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_register_index(sljit_s32 reg)
|
|
{
|
|
CHECK_REG_INDEX(check_sljit_get_register_index(reg));
|
|
return reg_map[reg];
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_get_float_register_index(sljit_s32 reg)
|
|
{
|
|
CHECK_REG_INDEX(check_sljit_get_float_register_index(reg));
|
|
return reg << 1;
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_custom(struct sljit_compiler *compiler,
|
|
void *instruction, sljit_s32 size)
|
|
{
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_op_custom(compiler, instruction, size));
|
|
|
|
return push_inst(compiler, *(sljit_ins*)instruction, UNMOVABLE_INS);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
/* Floating point operators */
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_is_fpu_available(void)
|
|
{
|
|
#ifdef SLJIT_IS_FPU_AVAILABLE
|
|
return SLJIT_IS_FPU_AVAILABLE;
|
|
#else
|
|
/* Available by default. */
|
|
return 1;
|
|
#endif
|
|
}
|
|
|
|
#define FLOAT_DATA(op) (DOUBLE_DATA | ((op & SLJIT_F32_OP) >> 7))
|
|
#define SELECT_FOP(op, single, double) ((op & SLJIT_F32_OP) ? single : double)
|
|
#define FLOAT_TMP_MEM_OFFSET (22 * sizeof(sljit_sw))
|
|
|
|
static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_sw_from_f64(struct sljit_compiler *compiler, sljit_s32 op,
|
|
sljit_s32 dst, sljit_sw dstw,
|
|
sljit_s32 src, sljit_sw srcw)
|
|
{
|
|
if (src & SLJIT_MEM) {
|
|
FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
|
|
src = TMP_FREG1;
|
|
}
|
|
else
|
|
src <<= 1;
|
|
|
|
FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOI, FDTOI) | DA(TMP_FREG1) | S2A(src), MOVABLE_INS));
|
|
|
|
if (dst == SLJIT_UNUSED)
|
|
return SLJIT_SUCCESS;
|
|
|
|
if (FAST_IS_REG(dst)) {
|
|
FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET));
|
|
return emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, dst, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET);
|
|
}
|
|
|
|
/* Store the integer value from a VFP register. */
|
|
return emit_op_mem2(compiler, SINGLE_DATA, TMP_FREG1, dst, dstw, 0, 0);
|
|
}
|
|
|
|
static SLJIT_INLINE sljit_s32 sljit_emit_fop1_conv_f64_from_sw(struct sljit_compiler *compiler, sljit_s32 op,
|
|
sljit_s32 dst, sljit_sw dstw,
|
|
sljit_s32 src, sljit_sw srcw)
|
|
{
|
|
sljit_s32 dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1;
|
|
|
|
if (src & SLJIT_IMM) {
|
|
#if (defined SLJIT_CONFIG_X86_64 && SLJIT_CONFIG_X86_64)
|
|
if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_S32)
|
|
srcw = (sljit_s32)srcw;
|
|
#endif
|
|
FAIL_IF(load_immediate(compiler, TMP_REG1, srcw));
|
|
src = TMP_REG1;
|
|
srcw = 0;
|
|
}
|
|
|
|
if (FAST_IS_REG(src)) {
|
|
FAIL_IF(emit_op_mem2(compiler, WORD_DATA, src, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET, SLJIT_MEM1(SLJIT_SP), FLOAT_TMP_MEM_OFFSET));
|
|
src = SLJIT_MEM1(SLJIT_SP);
|
|
srcw = FLOAT_TMP_MEM_OFFSET;
|
|
}
|
|
|
|
FAIL_IF(emit_op_mem2(compiler, SINGLE_DATA | LOAD_DATA, TMP_FREG1, src, srcw, dst, dstw));
|
|
FAIL_IF(push_inst(compiler, SELECT_FOP(op, FITOS, FITOD) | DA(dst_r) | S2A(TMP_FREG1), MOVABLE_INS));
|
|
|
|
if (dst & SLJIT_MEM)
|
|
return emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG1, dst, dstw, 0, 0);
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
static SLJIT_INLINE sljit_s32 sljit_emit_fop1_cmp(struct sljit_compiler *compiler, sljit_s32 op,
|
|
sljit_s32 src1, sljit_sw src1w,
|
|
sljit_s32 src2, sljit_sw src2w)
|
|
{
|
|
if (src1 & SLJIT_MEM) {
|
|
FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
|
|
src1 = TMP_FREG1;
|
|
}
|
|
else
|
|
src1 <<= 1;
|
|
|
|
if (src2 & SLJIT_MEM) {
|
|
FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, 0, 0));
|
|
src2 = TMP_FREG2;
|
|
}
|
|
else
|
|
src2 <<= 1;
|
|
|
|
return push_inst(compiler, SELECT_FOP(op, FCMPS, FCMPD) | S1A(src1) | S2A(src2), FCC_IS_SET | MOVABLE_INS);
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop1(struct sljit_compiler *compiler, sljit_s32 op,
|
|
sljit_s32 dst, sljit_sw dstw,
|
|
sljit_s32 src, sljit_sw srcw)
|
|
{
|
|
sljit_s32 dst_r;
|
|
|
|
CHECK_ERROR();
|
|
compiler->cache_arg = 0;
|
|
compiler->cache_argw = 0;
|
|
|
|
SLJIT_COMPILE_ASSERT((SLJIT_F32_OP == 0x100) && !(DOUBLE_DATA & 0x2), float_transfer_bit_error);
|
|
SELECT_FOP1_OPERATION_WITH_CHECKS(compiler, op, dst, dstw, src, srcw);
|
|
|
|
if (GET_OPCODE(op) == SLJIT_CONV_F64_FROM_F32)
|
|
op ^= SLJIT_F32_OP;
|
|
|
|
dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG1;
|
|
|
|
if (src & SLJIT_MEM) {
|
|
FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op) | LOAD_DATA, dst_r, src, srcw, dst, dstw));
|
|
src = dst_r;
|
|
}
|
|
else
|
|
src <<= 1;
|
|
|
|
switch (GET_OPCODE(op)) {
|
|
case SLJIT_MOV_F64:
|
|
if (src != dst_r) {
|
|
if (dst_r != TMP_FREG1) {
|
|
FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r) | S2A(src), MOVABLE_INS));
|
|
if (!(op & SLJIT_F32_OP))
|
|
FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS));
|
|
}
|
|
else
|
|
dst_r = src;
|
|
}
|
|
break;
|
|
case SLJIT_NEG_F64:
|
|
FAIL_IF(push_inst(compiler, FNEGS | DA(dst_r) | S2A(src), MOVABLE_INS));
|
|
if (dst_r != src && !(op & SLJIT_F32_OP))
|
|
FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS));
|
|
break;
|
|
case SLJIT_ABS_F64:
|
|
FAIL_IF(push_inst(compiler, FABSS | DA(dst_r) | S2A(src), MOVABLE_INS));
|
|
if (dst_r != src && !(op & SLJIT_F32_OP))
|
|
FAIL_IF(push_inst(compiler, FMOVS | DA(dst_r | 1) | S2A(src | 1), MOVABLE_INS));
|
|
break;
|
|
case SLJIT_CONV_F64_FROM_F32:
|
|
FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSTOD, FDTOS) | DA(dst_r) | S2A(src), MOVABLE_INS));
|
|
op ^= SLJIT_F32_OP;
|
|
break;
|
|
}
|
|
|
|
if (dst & SLJIT_MEM)
|
|
FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), dst_r, dst, dstw, 0, 0));
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fop2(struct sljit_compiler *compiler, sljit_s32 op,
|
|
sljit_s32 dst, sljit_sw dstw,
|
|
sljit_s32 src1, sljit_sw src1w,
|
|
sljit_s32 src2, sljit_sw src2w)
|
|
{
|
|
sljit_s32 dst_r, flags = 0;
|
|
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_fop2(compiler, op, dst, dstw, src1, src1w, src2, src2w));
|
|
ADJUST_LOCAL_OFFSET(dst, dstw);
|
|
ADJUST_LOCAL_OFFSET(src1, src1w);
|
|
ADJUST_LOCAL_OFFSET(src2, src2w);
|
|
|
|
compiler->cache_arg = 0;
|
|
compiler->cache_argw = 0;
|
|
|
|
dst_r = FAST_IS_REG(dst) ? (dst << 1) : TMP_FREG2;
|
|
|
|
if (src1 & SLJIT_MEM) {
|
|
if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w)) {
|
|
FAIL_IF(compiler->error);
|
|
src1 = TMP_FREG1;
|
|
} else
|
|
flags |= SLOW_SRC1;
|
|
}
|
|
else
|
|
src1 <<= 1;
|
|
|
|
if (src2 & SLJIT_MEM) {
|
|
if (getput_arg_fast(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w)) {
|
|
FAIL_IF(compiler->error);
|
|
src2 = TMP_FREG2;
|
|
} else
|
|
flags |= SLOW_SRC2;
|
|
}
|
|
else
|
|
src2 <<= 1;
|
|
|
|
if ((flags & (SLOW_SRC1 | SLOW_SRC2)) == (SLOW_SRC1 | SLOW_SRC2)) {
|
|
if (!can_cache(src1, src1w, src2, src2w) && can_cache(src1, src1w, dst, dstw)) {
|
|
FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, src1, src1w));
|
|
FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
|
|
}
|
|
else {
|
|
FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, src2, src2w));
|
|
FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
|
|
}
|
|
}
|
|
else if (flags & SLOW_SRC1)
|
|
FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG1, src1, src1w, dst, dstw));
|
|
else if (flags & SLOW_SRC2)
|
|
FAIL_IF(getput_arg(compiler, FLOAT_DATA(op) | LOAD_DATA, TMP_FREG2, src2, src2w, dst, dstw));
|
|
|
|
if (flags & SLOW_SRC1)
|
|
src1 = TMP_FREG1;
|
|
if (flags & SLOW_SRC2)
|
|
src2 = TMP_FREG2;
|
|
|
|
switch (GET_OPCODE(op)) {
|
|
case SLJIT_ADD_F64:
|
|
FAIL_IF(push_inst(compiler, SELECT_FOP(op, FADDS, FADDD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
|
|
break;
|
|
|
|
case SLJIT_SUB_F64:
|
|
FAIL_IF(push_inst(compiler, SELECT_FOP(op, FSUBS, FSUBD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
|
|
break;
|
|
|
|
case SLJIT_MUL_F64:
|
|
FAIL_IF(push_inst(compiler, SELECT_FOP(op, FMULS, FMULD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
|
|
break;
|
|
|
|
case SLJIT_DIV_F64:
|
|
FAIL_IF(push_inst(compiler, SELECT_FOP(op, FDIVS, FDIVD) | DA(dst_r) | S1A(src1) | S2A(src2), MOVABLE_INS));
|
|
break;
|
|
}
|
|
|
|
if (dst_r == TMP_FREG2)
|
|
FAIL_IF(emit_op_mem2(compiler, FLOAT_DATA(op), TMP_FREG2, dst, dstw, 0, 0));
|
|
|
|
return SLJIT_SUCCESS;
|
|
}
|
|
|
|
#undef FLOAT_DATA
|
|
#undef SELECT_FOP
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
/* Other instructions */
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_enter(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw)
|
|
{
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_fast_enter(compiler, dst, dstw));
|
|
ADJUST_LOCAL_OFFSET(dst, dstw);
|
|
|
|
/* For UNUSED dst. Uncommon, but possible. */
|
|
if (dst == SLJIT_UNUSED)
|
|
return SLJIT_SUCCESS;
|
|
|
|
if (FAST_IS_REG(dst))
|
|
return push_inst(compiler, OR | D(dst) | S1(0) | S2(TMP_LINK), DR(dst));
|
|
|
|
/* Memory. */
|
|
return emit_op_mem(compiler, WORD_DATA, TMP_LINK, dst, dstw);
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_fast_return(struct sljit_compiler *compiler, sljit_s32 src, sljit_sw srcw)
|
|
{
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_fast_return(compiler, src, srcw));
|
|
ADJUST_LOCAL_OFFSET(src, srcw);
|
|
|
|
if (FAST_IS_REG(src))
|
|
FAIL_IF(push_inst(compiler, OR | D(TMP_LINK) | S1(0) | S2(src), DR(TMP_LINK)));
|
|
else if (src & SLJIT_MEM)
|
|
FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_LINK, src, srcw));
|
|
else if (src & SLJIT_IMM)
|
|
FAIL_IF(load_immediate(compiler, TMP_LINK, srcw));
|
|
|
|
FAIL_IF(push_inst(compiler, JMPL | D(0) | S1(TMP_LINK) | IMM(8), UNMOVABLE_INS));
|
|
return push_inst(compiler, NOP, UNMOVABLE_INS);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------- */
|
|
/* Conditional instructions */
|
|
/* --------------------------------------------------------------------- */
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE struct sljit_label* sljit_emit_label(struct sljit_compiler *compiler)
|
|
{
|
|
struct sljit_label *label;
|
|
|
|
CHECK_ERROR_PTR();
|
|
CHECK_PTR(check_sljit_emit_label(compiler));
|
|
|
|
if (compiler->last_label && compiler->last_label->size == compiler->size)
|
|
return compiler->last_label;
|
|
|
|
label = (struct sljit_label*)ensure_abuf(compiler, sizeof(struct sljit_label));
|
|
PTR_FAIL_IF(!label);
|
|
set_label(label, compiler);
|
|
compiler->delay_slot = UNMOVABLE_INS;
|
|
return label;
|
|
}
|
|
|
|
static sljit_ins get_cc(sljit_s32 type)
|
|
{
|
|
switch (type) {
|
|
case SLJIT_EQUAL:
|
|
case SLJIT_MUL_NOT_OVERFLOW:
|
|
case SLJIT_NOT_EQUAL_F64: /* Unordered. */
|
|
return DA(0x1);
|
|
|
|
case SLJIT_NOT_EQUAL:
|
|
case SLJIT_MUL_OVERFLOW:
|
|
case SLJIT_EQUAL_F64:
|
|
return DA(0x9);
|
|
|
|
case SLJIT_LESS:
|
|
case SLJIT_GREATER_F64: /* Unordered. */
|
|
return DA(0x5);
|
|
|
|
case SLJIT_GREATER_EQUAL:
|
|
case SLJIT_LESS_EQUAL_F64:
|
|
return DA(0xd);
|
|
|
|
case SLJIT_GREATER:
|
|
case SLJIT_GREATER_EQUAL_F64: /* Unordered. */
|
|
return DA(0xc);
|
|
|
|
case SLJIT_LESS_EQUAL:
|
|
case SLJIT_LESS_F64:
|
|
return DA(0x4);
|
|
|
|
case SLJIT_SIG_LESS:
|
|
return DA(0x3);
|
|
|
|
case SLJIT_SIG_GREATER_EQUAL:
|
|
return DA(0xb);
|
|
|
|
case SLJIT_SIG_GREATER:
|
|
return DA(0xa);
|
|
|
|
case SLJIT_SIG_LESS_EQUAL:
|
|
return DA(0x2);
|
|
|
|
case SLJIT_OVERFLOW:
|
|
case SLJIT_UNORDERED_F64:
|
|
return DA(0x7);
|
|
|
|
case SLJIT_NOT_OVERFLOW:
|
|
case SLJIT_ORDERED_F64:
|
|
return DA(0xf);
|
|
|
|
default:
|
|
SLJIT_ASSERT_STOP();
|
|
return DA(0x8);
|
|
}
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_jump(struct sljit_compiler *compiler, sljit_s32 type)
|
|
{
|
|
struct sljit_jump *jump;
|
|
|
|
CHECK_ERROR_PTR();
|
|
CHECK_PTR(check_sljit_emit_jump(compiler, type));
|
|
|
|
jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
|
|
PTR_FAIL_IF(!jump);
|
|
set_jump(jump, compiler, type & SLJIT_REWRITABLE_JUMP);
|
|
type &= 0xff;
|
|
|
|
if (type < SLJIT_EQUAL_F64) {
|
|
jump->flags |= IS_COND;
|
|
if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & ICC_IS_SET))
|
|
jump->flags |= IS_MOVABLE;
|
|
#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
|
|
PTR_FAIL_IF(push_inst(compiler, BICC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
|
|
#else
|
|
#error "Implementation required"
|
|
#endif
|
|
}
|
|
else if (type < SLJIT_JUMP) {
|
|
jump->flags |= IS_COND;
|
|
if (((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS) && !(compiler->delay_slot & FCC_IS_SET))
|
|
jump->flags |= IS_MOVABLE;
|
|
#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
|
|
PTR_FAIL_IF(push_inst(compiler, FBFCC | get_cc(type ^ 1) | 5, UNMOVABLE_INS));
|
|
#else
|
|
#error "Implementation required"
|
|
#endif
|
|
} else {
|
|
if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
|
|
jump->flags |= IS_MOVABLE;
|
|
if (type >= SLJIT_FAST_CALL)
|
|
jump->flags |= IS_CALL;
|
|
}
|
|
|
|
PTR_FAIL_IF(emit_const(compiler, TMP_REG2, 0));
|
|
PTR_FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(TMP_REG2) | IMM(0), UNMOVABLE_INS));
|
|
jump->addr = compiler->size;
|
|
PTR_FAIL_IF(push_inst(compiler, NOP, UNMOVABLE_INS));
|
|
|
|
return jump;
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_ijump(struct sljit_compiler *compiler, sljit_s32 type, sljit_s32 src, sljit_sw srcw)
|
|
{
|
|
struct sljit_jump *jump = NULL;
|
|
sljit_s32 src_r;
|
|
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_ijump(compiler, type, src, srcw));
|
|
ADJUST_LOCAL_OFFSET(src, srcw);
|
|
|
|
if (FAST_IS_REG(src))
|
|
src_r = src;
|
|
else if (src & SLJIT_IMM) {
|
|
jump = (struct sljit_jump*)ensure_abuf(compiler, sizeof(struct sljit_jump));
|
|
FAIL_IF(!jump);
|
|
set_jump(jump, compiler, JUMP_ADDR);
|
|
jump->u.target = srcw;
|
|
if ((compiler->delay_slot & DST_INS_MASK) != UNMOVABLE_INS)
|
|
jump->flags |= IS_MOVABLE;
|
|
if (type >= SLJIT_FAST_CALL)
|
|
jump->flags |= IS_CALL;
|
|
|
|
FAIL_IF(emit_const(compiler, TMP_REG2, 0));
|
|
src_r = TMP_REG2;
|
|
}
|
|
else {
|
|
FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, TMP_REG2, src, srcw));
|
|
src_r = TMP_REG2;
|
|
}
|
|
|
|
FAIL_IF(push_inst(compiler, JMPL | D(type >= SLJIT_FAST_CALL ? TMP_LINK : 0) | S1(src_r) | IMM(0), UNMOVABLE_INS));
|
|
if (jump)
|
|
jump->addr = compiler->size;
|
|
return push_inst(compiler, NOP, UNMOVABLE_INS);
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_op_flags(struct sljit_compiler *compiler, sljit_s32 op,
|
|
sljit_s32 dst, sljit_sw dstw,
|
|
sljit_s32 src, sljit_sw srcw,
|
|
sljit_s32 type)
|
|
{
|
|
sljit_s32 reg, flags = (GET_FLAGS(op) ? SET_FLAGS : 0);
|
|
|
|
CHECK_ERROR();
|
|
CHECK(check_sljit_emit_op_flags(compiler, op, dst, dstw, src, srcw, type));
|
|
ADJUST_LOCAL_OFFSET(dst, dstw);
|
|
|
|
if (dst == SLJIT_UNUSED)
|
|
return SLJIT_SUCCESS;
|
|
|
|
#if (defined SLJIT_CONFIG_SPARC_32 && SLJIT_CONFIG_SPARC_32)
|
|
op = GET_OPCODE(op);
|
|
reg = (op < SLJIT_ADD && FAST_IS_REG(dst)) ? dst : TMP_REG2;
|
|
|
|
compiler->cache_arg = 0;
|
|
compiler->cache_argw = 0;
|
|
if (op >= SLJIT_ADD && (src & SLJIT_MEM)) {
|
|
ADJUST_LOCAL_OFFSET(src, srcw);
|
|
FAIL_IF(emit_op_mem2(compiler, WORD_DATA | LOAD_DATA, TMP_REG1, src, srcw, dst, dstw));
|
|
src = TMP_REG1;
|
|
srcw = 0;
|
|
}
|
|
|
|
type &= 0xff;
|
|
if (type < SLJIT_EQUAL_F64)
|
|
FAIL_IF(push_inst(compiler, BICC | get_cc(type) | 3, UNMOVABLE_INS));
|
|
else
|
|
FAIL_IF(push_inst(compiler, FBFCC | get_cc(type) | 3, UNMOVABLE_INS));
|
|
|
|
FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(1), UNMOVABLE_INS));
|
|
FAIL_IF(push_inst(compiler, OR | D(reg) | S1(0) | IMM(0), UNMOVABLE_INS));
|
|
|
|
if (op >= SLJIT_ADD)
|
|
return emit_op(compiler, op, flags | CUMULATIVE_OP | IMM_OP | ALT_KEEP_CACHE, dst, dstw, src, srcw, TMP_REG2, 0);
|
|
|
|
return (reg == TMP_REG2) ? emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw) : SLJIT_SUCCESS;
|
|
#else
|
|
#error "Implementation required"
|
|
#endif
|
|
}
|
|
|
|
SLJIT_API_FUNC_ATTRIBUTE struct sljit_const* sljit_emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw dstw, sljit_sw init_value)
|
|
{
|
|
sljit_s32 reg;
|
|
struct sljit_const *const_;
|
|
|
|
CHECK_ERROR_PTR();
|
|
CHECK_PTR(check_sljit_emit_const(compiler, dst, dstw, init_value));
|
|
ADJUST_LOCAL_OFFSET(dst, dstw);
|
|
|
|
const_ = (struct sljit_const*)ensure_abuf(compiler, sizeof(struct sljit_const));
|
|
PTR_FAIL_IF(!const_);
|
|
set_const(const_, compiler);
|
|
|
|
reg = SLOW_IS_REG(dst) ? dst : TMP_REG2;
|
|
|
|
PTR_FAIL_IF(emit_const(compiler, reg, init_value));
|
|
|
|
if (dst & SLJIT_MEM)
|
|
PTR_FAIL_IF(emit_op_mem(compiler, WORD_DATA, TMP_REG2, dst, dstw));
|
|
return const_;
|
|
}
|