diff options
Diffstat (limited to 'src/3rdparty/pcre/sljit/sljitNativeMIPS_64.c')
| -rw-r--r-- | src/3rdparty/pcre/sljit/sljitNativeMIPS_64.c | 469 |
1 files changed, 0 insertions, 469 deletions
diff --git a/src/3rdparty/pcre/sljit/sljitNativeMIPS_64.c b/src/3rdparty/pcre/sljit/sljitNativeMIPS_64.c deleted file mode 100644 index c7ee8c9c2e..0000000000 --- a/src/3rdparty/pcre/sljit/sljitNativeMIPS_64.c +++ /dev/null @@ -1,469 +0,0 @@ -/* - * Stack-less Just-In-Time compiler - * - * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. - * - * Redistribution and use in source and binary forms, with or without modification, are - * permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, this list of - * conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright notice, this list - * of conditions and the following disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT - * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/* mips 64-bit arch dependent functions. */ - -static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 dst_ar, sljit_sw imm) -{ - sljit_s32 shift = 32; - sljit_s32 shift2; - sljit_s32 inv = 0; - sljit_ins ins; - sljit_uw uimm; - - if (!(imm & ~0xffff)) - return push_inst(compiler, ORI | SA(0) | TA(dst_ar) | IMM(imm), dst_ar); - - if (imm < 0 && imm >= SIMM_MIN) - return push_inst(compiler, ADDIU | SA(0) | TA(dst_ar) | IMM(imm), dst_ar); - - if (imm <= 0x7fffffffl && imm >= -0x80000000l) { - FAIL_IF(push_inst(compiler, LUI | TA(dst_ar) | IMM(imm >> 16), dst_ar)); - return (imm & 0xffff) ? push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(imm), dst_ar) : SLJIT_SUCCESS; - } - - /* Zero extended number. */ - uimm = imm; - if (imm < 0) { - uimm = ~imm; - inv = 1; - } - - while (!(uimm & 0xff00000000000000l)) { - shift -= 8; - uimm <<= 8; - } - - if (!(uimm & 0xf000000000000000l)) { - shift -= 4; - uimm <<= 4; - } - - if (!(uimm & 0xc000000000000000l)) { - shift -= 2; - uimm <<= 2; - } - - if ((sljit_sw)uimm < 0) { - uimm >>= 1; - shift += 1; - } - SLJIT_ASSERT(((uimm & 0xc000000000000000l) == 0x4000000000000000l) && (shift > 0) && (shift <= 32)); - - if (inv) - uimm = ~uimm; - - FAIL_IF(push_inst(compiler, LUI | TA(dst_ar) | IMM(uimm >> 48), dst_ar)); - if (uimm & 0x0000ffff00000000l) - FAIL_IF(push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(uimm >> 32), dst_ar)); - - imm &= (1l << shift) - 1; - if (!(imm & ~0xffff)) { - ins = (shift == 32) ? DSLL32 : DSLL; - if (shift < 32) - ins |= SH_IMM(shift); - FAIL_IF(push_inst(compiler, ins | TA(dst_ar) | DA(dst_ar), dst_ar)); - return !(imm & 0xffff) ? SLJIT_SUCCESS : push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(imm), dst_ar); - } - - /* Double shifts needs to be performed. */ - uimm <<= 32; - shift2 = shift - 16; - - while (!(uimm & 0xf000000000000000l)) { - shift2 -= 4; - uimm <<= 4; - } - - if (!(uimm & 0xc000000000000000l)) { - shift2 -= 2; - uimm <<= 2; - } - - if (!(uimm & 0x8000000000000000l)) { - shift2--; - uimm <<= 1; - } - - SLJIT_ASSERT((uimm & 0x8000000000000000l) && (shift2 > 0) && (shift2 <= 16)); - - FAIL_IF(push_inst(compiler, DSLL | TA(dst_ar) | DA(dst_ar) | SH_IMM(shift - shift2), dst_ar)); - FAIL_IF(push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(uimm >> 48), dst_ar)); - FAIL_IF(push_inst(compiler, DSLL | TA(dst_ar) | DA(dst_ar) | SH_IMM(shift2), dst_ar)); - - imm &= (1l << shift2) - 1; - return !(imm & 0xffff) ? SLJIT_SUCCESS : push_inst(compiler, ORI | SA(dst_ar) | TA(dst_ar) | IMM(imm), dst_ar); -} - -#define SELECT_OP(a, b) \ - (!(op & SLJIT_I32_OP) ? a : b) - -#define EMIT_LOGICAL(op_imm, op_norm) \ - if (flags & SRC2_IMM) { \ - if (op & SLJIT_SET_E) \ - FAIL_IF(push_inst(compiler, op_imm | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); \ - if (CHECK_FLAGS(SLJIT_SET_E)) \ - FAIL_IF(push_inst(compiler, op_imm | S(src1) | T(dst) | IMM(src2), DR(dst))); \ - } \ - else { \ - if (op & SLJIT_SET_E) \ - FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); \ - if (CHECK_FLAGS(SLJIT_SET_E)) \ - FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | D(dst), DR(dst))); \ - } - -#define EMIT_SHIFT(op_dimm, op_dimm32, op_imm, op_dv, op_v) \ - if (flags & SRC2_IMM) { \ - if (src2 >= 32) { \ - SLJIT_ASSERT(!(op & SLJIT_I32_OP)); \ - ins = op_dimm32; \ - src2 -= 32; \ - } \ - else \ - ins = (op & SLJIT_I32_OP) ? op_imm : op_dimm; \ - if (op & SLJIT_SET_E) \ - FAIL_IF(push_inst(compiler, ins | T(src1) | DA(EQUAL_FLAG) | SH_IMM(src2), EQUAL_FLAG)); \ - if (CHECK_FLAGS(SLJIT_SET_E)) \ - FAIL_IF(push_inst(compiler, ins | T(src1) | D(dst) | SH_IMM(src2), DR(dst))); \ - } \ - else { \ - ins = (op & SLJIT_I32_OP) ? op_v : op_dv; \ - if (op & SLJIT_SET_E) \ - FAIL_IF(push_inst(compiler, ins | S(src2) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); \ - if (CHECK_FLAGS(SLJIT_SET_E)) \ - FAIL_IF(push_inst(compiler, ins | S(src2) | T(src1) | D(dst), DR(dst))); \ - } - -static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sljit_s32 op, sljit_s32 flags, - sljit_s32 dst, sljit_s32 src1, sljit_sw src2) -{ - sljit_ins ins; - - switch (GET_OPCODE(op)) { - case SLJIT_MOV: - case SLJIT_MOV_P: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); - if (dst != src2) - return push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src2) | TA(0) | D(dst), DR(dst)); - return SLJIT_SUCCESS; - - case SLJIT_MOV_U8: - case SLJIT_MOV_S8: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); - if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { - if (op == SLJIT_MOV_S8) { - FAIL_IF(push_inst(compiler, DSLL32 | T(src2) | D(dst) | SH_IMM(24), DR(dst))); - return push_inst(compiler, DSRA32 | T(dst) | D(dst) | SH_IMM(24), DR(dst)); - } - return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xff), DR(dst)); - } - else if (dst != src2) - SLJIT_ASSERT_STOP(); - return SLJIT_SUCCESS; - - case SLJIT_MOV_U16: - case SLJIT_MOV_S16: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); - if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { - if (op == SLJIT_MOV_S16) { - FAIL_IF(push_inst(compiler, DSLL32 | T(src2) | D(dst) | SH_IMM(16), DR(dst))); - return push_inst(compiler, DSRA32 | T(dst) | D(dst) | SH_IMM(16), DR(dst)); - } - return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xffff), DR(dst)); - } - else if (dst != src2) - SLJIT_ASSERT_STOP(); - return SLJIT_SUCCESS; - - case SLJIT_MOV_U32: - SLJIT_ASSERT(!(op & SLJIT_I32_OP)); - FAIL_IF(push_inst(compiler, DSLL32 | T(src2) | D(dst) | SH_IMM(0), DR(dst))); - return push_inst(compiler, DSRL32 | T(dst) | D(dst) | SH_IMM(0), DR(dst)); - - case SLJIT_MOV_S32: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); - return push_inst(compiler, SLL | T(src2) | D(dst) | SH_IMM(0), DR(dst)); - - case SLJIT_NOT: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); - if (op & SLJIT_SET_E) - FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); - if (CHECK_FLAGS(SLJIT_SET_E)) - FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | D(dst), DR(dst))); - return SLJIT_SUCCESS; - - case SLJIT_CLZ: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); -#if (defined SLJIT_MIPS_R1 && SLJIT_MIPS_R1) - if (op & SLJIT_SET_E) - FAIL_IF(push_inst(compiler, SELECT_OP(DCLZ, CLZ) | S(src2) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG)); - if (CHECK_FLAGS(SLJIT_SET_E)) - FAIL_IF(push_inst(compiler, SELECT_OP(DCLZ, CLZ) | S(src2) | T(dst) | D(dst), DR(dst))); -#else - if (SLJIT_UNLIKELY(flags & UNUSED_DEST)) { - FAIL_IF(push_inst(compiler, SELECT_OP(DSRL32, SRL) | T(src2) | DA(EQUAL_FLAG) | SH_IMM(31), EQUAL_FLAG)); - return push_inst(compiler, XORI | SA(EQUAL_FLAG) | TA(EQUAL_FLAG) | IMM(1), EQUAL_FLAG); - } - /* Nearly all instructions are unmovable in the following sequence. */ - FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src2) | TA(0) | D(TMP_REG1), DR(TMP_REG1))); - /* Check zero. */ - FAIL_IF(push_inst(compiler, BEQ | S(TMP_REG1) | TA(0) | IMM(5), UNMOVABLE_INS)); - FAIL_IF(push_inst(compiler, ORI | SA(0) | T(dst) | IMM((op & SLJIT_I32_OP) ? 32 : 64), UNMOVABLE_INS)); - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | T(dst) | IMM(-1), DR(dst))); - /* Loop for searching the highest bit. */ - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(dst) | T(dst) | IMM(1), DR(dst))); - FAIL_IF(push_inst(compiler, BGEZ | S(TMP_REG1) | IMM(-2), UNMOVABLE_INS)); - FAIL_IF(push_inst(compiler, SELECT_OP(DSLL, SLL) | T(TMP_REG1) | D(TMP_REG1) | SH_IMM(1), UNMOVABLE_INS)); - if (op & SLJIT_SET_E) - return push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(dst) | TA(0) | DA(EQUAL_FLAG), EQUAL_FLAG); -#endif - return SLJIT_SUCCESS; - - case SLJIT_ADD: - if (flags & SRC2_IMM) { - if (op & SLJIT_SET_O) { - if (src2 >= 0) - FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); - else - FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); - } - if (op & SLJIT_SET_E) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); - if (op & (SLJIT_SET_C | SLJIT_SET_O)) { - if (src2 >= 0) - FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG)); - else { - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG)); - FAIL_IF(push_inst(compiler, OR | S(src1) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG)); - } - } - /* dst may be the same as src1 or src2. */ - if (CHECK_FLAGS(SLJIT_SET_E)) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(src2), DR(dst))); - } - else { - if (op & SLJIT_SET_O) - FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); - if (op & SLJIT_SET_E) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); - if (op & (SLJIT_SET_C | SLJIT_SET_O)) - FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(ULESS_FLAG), ULESS_FLAG)); - /* dst may be the same as src1 or src2. */ - if (CHECK_FLAGS(SLJIT_SET_E)) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | D(dst), DR(dst))); - } - - /* a + b >= a | b (otherwise, the carry should be set to 1). */ - if (op & (SLJIT_SET_C | SLJIT_SET_O)) - FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG)); - if (!(op & SLJIT_SET_O)) - return SLJIT_SUCCESS; - FAIL_IF(push_inst(compiler, SELECT_OP(DSLL32, 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, SELECT_OP(DSRL32, SLL) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG) | SH_IMM(31), OVERFLOW_FLAG); - - case SLJIT_ADDC: - if (flags & SRC2_IMM) { - if (op & SLJIT_SET_C) { - if (src2 >= 0) - FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(OVERFLOW_FLAG) | IMM(src2), OVERFLOW_FLAG)); - else { - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | TA(OVERFLOW_FLAG) | IMM(src2), OVERFLOW_FLAG)); - FAIL_IF(push_inst(compiler, OR | S(src1) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); - } - } - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(src2), DR(dst))); - } else { - if (op & SLJIT_SET_C) - FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); - /* dst may be the same as src1 or src2. */ - FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | D(dst), DR(dst))); - } - if (op & SLJIT_SET_C) - FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); - - FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(dst) | TA(ULESS_FLAG) | D(dst), DR(dst))); - if (!(op & SLJIT_SET_C)) - return SLJIT_SUCCESS; - - /* Set ULESS_FLAG (dst == 0) && (ULESS_FLAG == 1). */ - FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG)); - /* Set carry flag. */ - return push_inst(compiler, OR | SA(ULESS_FLAG) | TA(OVERFLOW_FLAG) | DA(ULESS_FLAG), ULESS_FLAG); - - case SLJIT_SUB: - if ((flags & SRC2_IMM) && ((op & (SLJIT_SET_U | SLJIT_SET_S)) || 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_O) { - if (src2 >= 0) - FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); - else - FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); - } - if (op & SLJIT_SET_E) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | TA(EQUAL_FLAG) | IMM(-src2), EQUAL_FLAG)); - if (op & (SLJIT_SET_C | SLJIT_SET_O)) - FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG)); - /* dst may be the same as src1 or src2. */ - if (CHECK_FLAGS(SLJIT_SET_E)) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(-src2), DR(dst))); - } - else { - if (op & SLJIT_SET_O) - FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); - if (op & SLJIT_SET_E) - FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); - if (op & (SLJIT_SET_U | SLJIT_SET_C | SLJIT_SET_O)) - FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(ULESS_FLAG), ULESS_FLAG)); - if (op & SLJIT_SET_U) - FAIL_IF(push_inst(compiler, SLTU | S(src2) | T(src1) | DA(UGREATER_FLAG), UGREATER_FLAG)); - if (op & SLJIT_SET_S) { - FAIL_IF(push_inst(compiler, SLT | S(src1) | T(src2) | DA(LESS_FLAG), LESS_FLAG)); - FAIL_IF(push_inst(compiler, SLT | S(src2) | T(src1) | DA(GREATER_FLAG), GREATER_FLAG)); - } - /* dst may be the same as src1 or src2. */ - if (CHECK_FLAGS(SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C)) - FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | D(dst), DR(dst))); - } - - if (!(op & SLJIT_SET_O)) - return SLJIT_SUCCESS; - FAIL_IF(push_inst(compiler, SELECT_OP(DSLL32, 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, SELECT_OP(DSRL32, 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, SELECT_OP(DADDIU, 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, SELECT_OP(DSUBU, 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, SELECT_OP(DSUBU, 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) - if (op & SLJIT_I32_OP) - return push_inst(compiler, MUL | S(src1) | T(src2) | D(dst), DR(dst)); - FAIL_IF(push_inst(compiler, DMULT | S(src1) | T(src2), MOVABLE_INS)); - return push_inst(compiler, MFLO | D(dst), DR(dst)); -#else - FAIL_IF(push_inst(compiler, SELECT_OP(DMULT, MULT) | S(src1) | T(src2), MOVABLE_INS)); - return push_inst(compiler, MFLO | D(dst), DR(dst)); -#endif - } - FAIL_IF(push_inst(compiler, SELECT_OP(DMULT, 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, SELECT_OP(DSRA32, SRA) | T(dst) | DA(UGREATER_FLAG) | SH_IMM(31), UGREATER_FLAG)); - return push_inst(compiler, SELECT_OP(DSUBU, 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(DSLL, DSLL32, SLL, DSLLV, SLLV); - return SLJIT_SUCCESS; - - case SLJIT_LSHR: - EMIT_SHIFT(DSRL, DSRL32, SRL, DSRLV, SRLV); - return SLJIT_SUCCESS; - - case SLJIT_ASHR: - EMIT_SHIFT(DSRA, DSRA32, SRA, DSRAV, SRAV); - return SLJIT_SUCCESS; - } - - SLJIT_ASSERT_STOP(); - return SLJIT_SUCCESS; -} - -static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw init_value) -{ - FAIL_IF(push_inst(compiler, LUI | T(dst) | IMM(init_value >> 48), DR(dst))); - FAIL_IF(push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value >> 32), DR(dst))); - FAIL_IF(push_inst(compiler, DSLL | T(dst) | D(dst) | SH_IMM(16), DR(dst))); - FAIL_IF(push_inst(compiler, ORI | S(dst) | T(dst) | IMM(init_value >> 16), DR(dst))); - FAIL_IF(push_inst(compiler, DSLL | T(dst) | D(dst) | SH_IMM(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 >> 48) & 0xffff); - inst[1] = (inst[1] & 0xffff0000) | ((new_addr >> 32) & 0xffff); - inst[3] = (inst[3] & 0xffff0000) | ((new_addr >> 16) & 0xffff); - inst[5] = (inst[5] & 0xffff0000) | (new_addr & 0xffff); - SLJIT_CACHE_FLUSH(inst, inst + 6); -} - -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 >> 48) & 0xffff); - inst[1] = (inst[1] & 0xffff0000) | ((new_constant >> 32) & 0xffff); - inst[3] = (inst[3] & 0xffff0000) | ((new_constant >> 16) & 0xffff); - inst[5] = (inst[5] & 0xffff0000) | (new_constant & 0xffff); - SLJIT_CACHE_FLUSH(inst, inst + 6); -} |