367 lines
15 KiB
C
367 lines
15 KiB
C
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/*
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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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/* mips 32-bit arch dependent functions. */
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static sljit_si load_immediate(struct sljit_compiler *compiler, sljit_si dst_ar, sljit_sw imm)
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{
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if (!(imm & ~0xffff))
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return push_inst(compiler, ORI | SA(0) | TA(dst_ar) | IMM(imm), dst_ar);
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if (imm < 0 && imm >= SIMM_MIN)
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return push_inst(compiler, ADDIU | SA(0) | TA(dst_ar) | IMM(imm), dst_ar);
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FAIL_IF(push_inst(compiler, LUI | TA(dst_ar) | IMM(imm >> 16), dst_ar));
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return (imm & 0xffff) ? push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(imm), dst_ar) : SLJIT_SUCCESS;
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}
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#define EMIT_LOGICAL(op_imm, op_norm) \
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if (flags & SRC2_IMM) { \
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if (op & SLJIT_SET_E) \
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FAIL_IF(push_inst(compiler, op_imm | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); \
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if (CHECK_FLAGS(SLJIT_SET_E)) \
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FAIL_IF(push_inst(compiler, op_imm | S(src1) | T(dst) | IMM(src2), DR(dst))); \
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} \
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else { \
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if (op & SLJIT_SET_E) \
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FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); \
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if (CHECK_FLAGS(SLJIT_SET_E)) \
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FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | D(dst), DR(dst))); \
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}
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#define EMIT_SHIFT(op_imm, op_v) \
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if (flags & SRC2_IMM) { \
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if (op & SLJIT_SET_E) \
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FAIL_IF(push_inst(compiler, op_imm | T(src1) | DA(EQUAL_FLAG) | SH_IMM(src2), EQUAL_FLAG)); \
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if (CHECK_FLAGS(SLJIT_SET_E)) \
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FAIL_IF(push_inst(compiler, op_imm | T(src1) | D(dst) | SH_IMM(src2), DR(dst))); \
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} \
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else { \
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if (op & SLJIT_SET_E) \
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FAIL_IF(push_inst(compiler, op_v | S(src2) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); \
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if (CHECK_FLAGS(SLJIT_SET_E)) \
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FAIL_IF(push_inst(compiler, op_v | S(src2) | T(src1) | D(dst), DR(dst))); \
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}
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static SLJIT_INLINE sljit_si emit_single_op(struct sljit_compiler *compiler, sljit_si op, sljit_si flags,
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sljit_si dst, sljit_si src1, sljit_sw src2)
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{
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switch (GET_OPCODE(op)) {
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case SLJIT_MOV:
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case SLJIT_MOV_UI:
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case SLJIT_MOV_SI:
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case SLJIT_MOV_P:
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SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
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if (dst != src2)
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return push_inst(compiler, ADDU | S(src2) | TA(0) | D(dst), DR(dst));
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return SLJIT_SUCCESS;
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case SLJIT_MOV_UB:
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case SLJIT_MOV_SB:
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SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
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if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
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if (op == SLJIT_MOV_SB) {
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#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1)
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return push_inst(compiler, SEB | T(src2) | D(dst), DR(dst));
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#else
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FAIL_IF(push_inst(compiler, SLL | T(src2) | D(dst) | SH_IMM(24), DR(dst)));
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return push_inst(compiler, SRA | T(dst) | D(dst) | SH_IMM(24), DR(dst));
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#endif
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}
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return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xff), DR(dst));
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}
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else if (dst != src2)
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SLJIT_ASSERT_STOP();
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return SLJIT_SUCCESS;
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case SLJIT_MOV_UH:
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case SLJIT_MOV_SH:
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SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
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if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) {
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if (op == SLJIT_MOV_SH) {
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#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1)
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return push_inst(compiler, SEH | T(src2) | D(dst), DR(dst));
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#else
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FAIL_IF(push_inst(compiler, SLL | T(src2) | D(dst) | SH_IMM(16), DR(dst)));
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return push_inst(compiler, SRA | T(dst) | D(dst) | SH_IMM(16), DR(dst));
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#endif
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}
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return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xffff), DR(dst));
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}
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else if (dst != src2)
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SLJIT_ASSERT_STOP();
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return SLJIT_SUCCESS;
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case SLJIT_NOT:
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SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
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if (op & SLJIT_SET_E)
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FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
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if (CHECK_FLAGS(SLJIT_SET_E))
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FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | D(dst), DR(dst)));
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return SLJIT_SUCCESS;
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case SLJIT_CLZ:
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SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM));
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#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1)
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if (op & SLJIT_SET_E)
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FAIL_IF(push_inst(compiler, CLZ | S(src2) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG));
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if (CHECK_FLAGS(SLJIT_SET_E))
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FAIL_IF(push_inst(compiler, CLZ | S(src2) | T(dst) | D(dst), DR(dst)));
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#else
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if (SLJIT_UNLIKELY(flags & UNUSED_DEST)) {
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FAIL_IF(push_inst(compiler, SRL | T(src2) | DA(EQUAL_FLAG) | SH_IMM(31), EQUAL_FLAG));
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return push_inst(compiler, XORI | SA(EQUAL_FLAG) | TA(EQUAL_FLAG) | IMM(1), EQUAL_FLAG);
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}
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/* Nearly all instructions are unmovable in the following sequence. */
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FAIL_IF(push_inst(compiler, ADDU | S(src2) | TA(0) | D(TMP_REG1), DR(TMP_REG1)));
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/* Check zero. */
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FAIL_IF(push_inst(compiler, BEQ | S(TMP_REG1) | TA(0) | IMM(5), UNMOVABLE_INS));
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FAIL_IF(push_inst(compiler, ORI | SA(0) | T(dst) | IMM(32), UNMOVABLE_INS));
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FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(dst) | IMM(-1), DR(dst)));
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/* Loop for searching the highest bit. */
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FAIL_IF(push_inst(compiler, ADDIU | S(dst) | T(dst) | IMM(1), DR(dst)));
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FAIL_IF(push_inst(compiler, BGEZ | S(TMP_REG1) | IMM(-2), UNMOVABLE_INS));
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FAIL_IF(push_inst(compiler, SLL | T(TMP_REG1) | D(TMP_REG1) | SH_IMM(1), UNMOVABLE_INS));
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if (op & SLJIT_SET_E)
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return push_inst(compiler, ADDU | S(dst) | TA(0) | DA(EQUAL_FLAG), EQUAL_FLAG);
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#endif
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return SLJIT_SUCCESS;
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case SLJIT_ADD:
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if (flags & SRC2_IMM) {
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if (op & SLJIT_SET_O) {
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if (src2 >= 0)
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FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
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else
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FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
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}
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if (op & SLJIT_SET_E)
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FAIL_IF(push_inst(compiler, ADDIU | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG));
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if (op & (SLJIT_SET_C | SLJIT_SET_O)) {
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if (src2 >= 0)
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FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG));
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else {
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FAIL_IF(push_inst(compiler, ADDIU | SA(0) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG));
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FAIL_IF(push_inst(compiler, OR | S(src1) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG));
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}
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}
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/* dst may be the same as src1 or src2. */
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if (CHECK_FLAGS(SLJIT_SET_E))
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FAIL_IF(push_inst(compiler, ADDIU | S(src1) | T(dst) | IMM(src2), DR(dst)));
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}
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else {
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if (op & SLJIT_SET_O)
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FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
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if (op & SLJIT_SET_E)
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FAIL_IF(push_inst(compiler, ADDU | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
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if (op & (SLJIT_SET_C | SLJIT_SET_O))
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FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(ULESS_FLAG), ULESS_FLAG));
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/* dst may be the same as src1 or src2. */
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if (CHECK_FLAGS(SLJIT_SET_E))
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FAIL_IF(push_inst(compiler, ADDU | S(src1) | T(src2) | D(dst), DR(dst)));
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}
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/* a + b >= a | b (otherwise, the carry should be set to 1). */
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if (op & (SLJIT_SET_C | SLJIT_SET_O))
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FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG));
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if (!(op & SLJIT_SET_O))
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return SLJIT_SUCCESS;
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FAIL_IF(push_inst(compiler, SLL | TA(ULESS_FLAG) | D(TMP_REG1) | SH_IMM(31), DR(TMP_REG1)));
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FAIL_IF(push_inst(compiler, XOR | S(TMP_REG1) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
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FAIL_IF(push_inst(compiler, XOR | S(dst) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
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return push_inst(compiler, SLL | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG) | SH_IMM(31), OVERFLOW_FLAG);
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case SLJIT_ADDC:
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if (flags & SRC2_IMM) {
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if (op & SLJIT_SET_C) {
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if (src2 >= 0)
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FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(OVERFLOW_FLAG) | IMM(src2), OVERFLOW_FLAG));
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else {
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FAIL_IF(push_inst(compiler, ADDIU | SA(0) | TA(OVERFLOW_FLAG) | IMM(src2), OVERFLOW_FLAG));
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FAIL_IF(push_inst(compiler, OR | S(src1) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
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}
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}
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FAIL_IF(push_inst(compiler, ADDIU | S(src1) | T(dst) | IMM(src2), DR(dst)));
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} else {
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if (op & SLJIT_SET_C)
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FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
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/* dst may be the same as src1 or src2. */
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FAIL_IF(push_inst(compiler, ADDU | S(src1) | T(src2) | D(dst), DR(dst)));
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}
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if (op & SLJIT_SET_C)
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FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
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FAIL_IF(push_inst(compiler, ADDU | S(dst) | TA(ULESS_FLAG) | D(dst), DR(dst)));
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if (!(op & SLJIT_SET_C))
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return SLJIT_SUCCESS;
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/* Set ULESS_FLAG (dst == 0) && (ULESS_FLAG == 1). */
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FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG));
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/* Set carry flag. */
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return push_inst(compiler, OR | SA(ULESS_FLAG) | TA(OVERFLOW_FLAG) | DA(ULESS_FLAG), ULESS_FLAG);
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case SLJIT_SUB:
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if ((flags & SRC2_IMM) && ((op & (SLJIT_SET_U | SLJIT_SET_S)) || src2 == SIMM_MIN)) {
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FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(TMP_REG2) | IMM(src2), DR(TMP_REG2)));
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src2 = TMP_REG2;
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flags &= ~SRC2_IMM;
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}
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if (flags & SRC2_IMM) {
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if (op & SLJIT_SET_O) {
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if (src2 >= 0)
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FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
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else
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FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
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}
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if (op & SLJIT_SET_E)
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FAIL_IF(push_inst(compiler, ADDIU | S(src1) | TA(EQUAL_FLAG) | IMM(-src2), EQUAL_FLAG));
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if (op & (SLJIT_SET_C | SLJIT_SET_O))
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FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG));
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/* dst may be the same as src1 or src2. */
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if (CHECK_FLAGS(SLJIT_SET_E))
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FAIL_IF(push_inst(compiler, ADDIU | S(src1) | T(dst) | IMM(-src2), DR(dst)));
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}
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else {
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if (op & SLJIT_SET_O)
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FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
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if (op & SLJIT_SET_E)
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FAIL_IF(push_inst(compiler, SUBU | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG));
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if (op & (SLJIT_SET_U | SLJIT_SET_C | SLJIT_SET_O))
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FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(ULESS_FLAG), ULESS_FLAG));
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if (op & SLJIT_SET_U)
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FAIL_IF(push_inst(compiler, SLTU | S(src2) | T(src1) | DA(UGREATER_FLAG), UGREATER_FLAG));
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if (op & SLJIT_SET_S) {
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FAIL_IF(push_inst(compiler, SLT | S(src1) | T(src2) | DA(LESS_FLAG), LESS_FLAG));
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FAIL_IF(push_inst(compiler, SLT | S(src2) | T(src1) | DA(GREATER_FLAG), GREATER_FLAG));
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}
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/* dst may be the same as src1 or src2. */
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if (CHECK_FLAGS(SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C))
|
||
|
|
FAIL_IF(push_inst(compiler, SUBU | S(src1) | T(src2) | D(dst), DR(dst)));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!(op & SLJIT_SET_O))
|
||
|
|
return SLJIT_SUCCESS;
|
||
|
|
FAIL_IF(push_inst(compiler, SLL | TA(ULESS_FLAG) | D(TMP_REG1) | SH_IMM(31), DR(TMP_REG1)));
|
||
|
|
FAIL_IF(push_inst(compiler, XOR | S(TMP_REG1) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
|
||
|
|
FAIL_IF(push_inst(compiler, XOR | S(dst) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
|
||
|
|
return push_inst(compiler, SRL | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG) | SH_IMM(31), OVERFLOW_FLAG);
|
||
|
|
|
||
|
|
case SLJIT_SUBC:
|
||
|
|
if ((flags & SRC2_IMM) && src2 == SIMM_MIN) {
|
||
|
|
FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(TMP_REG2) | IMM(src2), DR(TMP_REG2)));
|
||
|
|
src2 = TMP_REG2;
|
||
|
|
flags &= ~SRC2_IMM;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (flags & SRC2_IMM) {
|
||
|
|
if (op & SLJIT_SET_C)
|
||
|
|
FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(OVERFLOW_FLAG) | IMM(src2), OVERFLOW_FLAG));
|
||
|
|
/* dst may be the same as src1 or src2. */
|
||
|
|
FAIL_IF(push_inst(compiler, ADDIU | S(src1) | T(dst) | IMM(-src2), DR(dst)));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (op & SLJIT_SET_C)
|
||
|
|
FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG));
|
||
|
|
/* dst may be the same as src1 or src2. */
|
||
|
|
FAIL_IF(push_inst(compiler, SUBU | S(src1) | T(src2) | D(dst), DR(dst)));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (op & SLJIT_SET_C)
|
||
|
|
FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(LESS_FLAG), LESS_FLAG));
|
||
|
|
|
||
|
|
FAIL_IF(push_inst(compiler, SUBU | S(dst) | TA(ULESS_FLAG) | D(dst), DR(dst)));
|
||
|
|
return (op & SLJIT_SET_C) ? push_inst(compiler, OR | SA(OVERFLOW_FLAG) | TA(LESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG) : SLJIT_SUCCESS;
|
||
|
|
|
||
|
|
case SLJIT_MUL:
|
||
|
|
SLJIT_ASSERT(!(flags & SRC2_IMM));
|
||
|
|
if (!(op & SLJIT_SET_O)) {
|
||
|
|
#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1)
|
||
|
|
return push_inst(compiler, MUL | S(src1) | T(src2) | D(dst), DR(dst));
|
||
|
|
#else
|
||
|
|
FAIL_IF(push_inst(compiler, MULT | S(src1) | T(src2), MOVABLE_INS));
|
||
|
|
return push_inst(compiler, MFLO | D(dst), DR(dst));
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
FAIL_IF(push_inst(compiler, MULT | S(src1) | T(src2), MOVABLE_INS));
|
||
|
|
FAIL_IF(push_inst(compiler, MFHI | DA(ULESS_FLAG), ULESS_FLAG));
|
||
|
|
FAIL_IF(push_inst(compiler, MFLO | D(dst), DR(dst)));
|
||
|
|
FAIL_IF(push_inst(compiler, SRA | T(dst) | DA(UGREATER_FLAG) | SH_IMM(31), UGREATER_FLAG));
|
||
|
|
return push_inst(compiler, SUBU | SA(ULESS_FLAG) | TA(UGREATER_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG);
|
||
|
|
|
||
|
|
case SLJIT_AND:
|
||
|
|
EMIT_LOGICAL(ANDI, AND);
|
||
|
|
return SLJIT_SUCCESS;
|
||
|
|
|
||
|
|
case SLJIT_OR:
|
||
|
|
EMIT_LOGICAL(ORI, OR);
|
||
|
|
return SLJIT_SUCCESS;
|
||
|
|
|
||
|
|
case SLJIT_XOR:
|
||
|
|
EMIT_LOGICAL(XORI, XOR);
|
||
|
|
return SLJIT_SUCCESS;
|
||
|
|
|
||
|
|
case SLJIT_SHL:
|
||
|
|
EMIT_SHIFT(SLL, SLLV);
|
||
|
|
return SLJIT_SUCCESS;
|
||
|
|
|
||
|
|
case SLJIT_LSHR:
|
||
|
|
EMIT_SHIFT(SRL, SRLV);
|
||
|
|
return SLJIT_SUCCESS;
|
||
|
|
|
||
|
|
case SLJIT_ASHR:
|
||
|
|
EMIT_SHIFT(SRA, SRAV);
|
||
|
|
return SLJIT_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
SLJIT_ASSERT_STOP();
|
||
|
|
return SLJIT_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
static SLJIT_INLINE sljit_si emit_const(struct sljit_compiler *compiler, sljit_si dst, sljit_sw init_value)
|
||
|
|
{
|
||
|
|
FAIL_IF(push_inst(compiler, LUI | T(dst) | IMM(init_value >> 16), DR(dst)));
|
||
|
|
return push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value), DR(dst));
|
||
|
|
}
|
||
|
|
|
||
|
|
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_addr)
|
||
|
|
{
|
||
|
|
sljit_ins *inst = (sljit_ins*)addr;
|
||
|
|
|
||
|
|
inst[0] = (inst[0] & 0xffff0000) | ((new_addr >> 16) & 0xffff);
|
||
|
|
inst[1] = (inst[1] & 0xffff0000) | (new_addr & 0xffff);
|
||
|
|
SLJIT_CACHE_FLUSH(inst, inst + 2);
|
||
|
|
}
|
||
|
|
|
||
|
|
SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant)
|
||
|
|
{
|
||
|
|
sljit_ins *inst = (sljit_ins*)addr;
|
||
|
|
|
||
|
|
inst[0] = (inst[0] & 0xffff0000) | ((new_constant >> 16) & 0xffff);
|
||
|
|
inst[1] = (inst[1] & 0xffff0000) | (new_constant & 0xffff);
|
||
|
|
SLJIT_CACHE_FLUSH(inst, inst + 2);
|
||
|
|
}
|