diff options
Diffstat (limited to 'thirdparty/pcre2/src/sljit/sljitNativeMIPS_64.c')
| -rw-r--r-- | thirdparty/pcre2/src/sljit/sljitNativeMIPS_64.c | 460 |
1 files changed, 37 insertions, 423 deletions
diff --git a/thirdparty/pcre2/src/sljit/sljitNativeMIPS_64.c b/thirdparty/pcre2/src/sljit/sljitNativeMIPS_64.c index c2b3d839c2..d2a5924f8e 100644 --- a/thirdparty/pcre2/src/sljit/sljitNativeMIPS_64.c +++ b/thirdparty/pcre2/src/sljit/sljitNativeMIPS_64.c @@ -118,421 +118,6 @@ static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 dst_a 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_32) ? a : b) - -#define EMIT_LOGICAL(op_imm, op_norm) \ - if (flags & SRC2_IMM) { \ - if (op & SLJIT_SET_Z) \ - FAIL_IF(push_inst(compiler, op_imm | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); \ - if (!(flags & UNUSED_DEST)) \ - FAIL_IF(push_inst(compiler, op_imm | S(src1) | T(dst) | IMM(src2), DR(dst))); \ - } \ - else { \ - if (op & SLJIT_SET_Z) \ - FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); \ - if (!(flags & UNUSED_DEST)) \ - 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_32)); \ - ins = op_dimm32; \ - src2 -= 32; \ - } \ - else \ - ins = (op & SLJIT_32) ? op_imm : op_dimm; \ - if (op & SLJIT_SET_Z) \ - FAIL_IF(push_inst(compiler, ins | T(src1) | DA(EQUAL_FLAG) | SH_IMM(src2), EQUAL_FLAG)); \ - if (!(flags & UNUSED_DEST)) \ - FAIL_IF(push_inst(compiler, ins | T(src1) | D(dst) | SH_IMM(src2), DR(dst))); \ - } \ - else { \ - ins = (op & SLJIT_32) ? op_v : op_dv; \ - if (op & SLJIT_SET_Z) \ - FAIL_IF(push_inst(compiler, ins | S(src2) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); \ - if (!(flags & UNUSED_DEST)) \ - 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; - sljit_s32 is_overflow, is_carry, is_handled; - - switch (GET_OPCODE(op)) { - case SLJIT_MOV: - 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: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); - if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) - return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xff), DR(dst)); - SLJIT_ASSERT(dst == src2); - return SLJIT_SUCCESS; - - case SLJIT_MOV_S8: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); - if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { -#if (defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 1) - if (op & SLJIT_32) - return push_inst(compiler, SEB | T(src2) | D(dst), DR(dst)); -#endif /* SLJIT_MIPS_REV >= 1 */ - 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)); - } - SLJIT_ASSERT(dst == src2); - return SLJIT_SUCCESS; - - case SLJIT_MOV_U16: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); - if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) - return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xffff), DR(dst)); - SLJIT_ASSERT(dst == src2); - return SLJIT_SUCCESS; - - case SLJIT_MOV_S16: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); - if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { -#if (defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 1) - if (op & SLJIT_32) - return push_inst(compiler, SEH | T(src2) | D(dst), DR(dst)); -#endif /* SLJIT_MIPS_REV >= 1 */ - 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)); - } - SLJIT_ASSERT(dst == src2); - return SLJIT_SUCCESS; - - case SLJIT_MOV_U32: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM) && !(op & SLJIT_32)); - if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { -#if (defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 2) - if (dst == src2) - return push_inst(compiler, DINSU | T(src2) | SA(0) | (31 << 11) | (0 << 11), DR(dst)); -#endif /* SLJIT_MIPS_REV >= 2 */ - 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)); - } - SLJIT_ASSERT(dst == src2); - return SLJIT_SUCCESS; - - case SLJIT_MOV_S32: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM) && !(op & SLJIT_32)); - if ((flags & (REG_DEST | REG2_SOURCE)) == (REG_DEST | REG2_SOURCE)) { - return push_inst(compiler, SLL | T(src2) | D(dst) | SH_IMM(0), DR(dst)); - } - SLJIT_ASSERT(dst == src2); - return SLJIT_SUCCESS; - - case SLJIT_NOT: - SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); - if (op & SLJIT_SET_Z) - FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); - if (!(flags & UNUSED_DEST)) - 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_REV && SLJIT_MIPS_REV >= 1) - if (op & SLJIT_SET_Z) - FAIL_IF(push_inst(compiler, SELECT_OP(DCLZ, CLZ) | S(src2) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG)); - if (!(flags & UNUSED_DEST)) - FAIL_IF(push_inst(compiler, SELECT_OP(DCLZ, CLZ) | S(src2) | T(dst) | D(dst), DR(dst))); -#else /* SLJIT_MIPS_REV < 1 */ - 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_32) ? 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)); -#endif /* SLJIT_MIPS_REV >= 1 */ - return SLJIT_SUCCESS; - - case SLJIT_ADD: - is_overflow = GET_FLAG_TYPE(op) == SLJIT_OVERFLOW; - is_carry = GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY); - - if (flags & SRC2_IMM) { - if (is_overflow) { - if (src2 >= 0) - FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); - else - FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); - } - else if (op & SLJIT_SET_Z) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); - - if (is_overflow || is_carry) { - if (src2 >= 0) - FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(OTHER_FLAG) | IMM(src2), OTHER_FLAG)); - else { - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | TA(OTHER_FLAG) | IMM(src2), OTHER_FLAG)); - FAIL_IF(push_inst(compiler, OR | S(src1) | TA(OTHER_FLAG) | DA(OTHER_FLAG), OTHER_FLAG)); - } - } - /* dst may be the same as src1 or src2. */ - if (!(flags & UNUSED_DEST) || (op & VARIABLE_FLAG_MASK)) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(src2), DR(dst))); - } - else { - if (is_overflow) - FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); - else if (op & SLJIT_SET_Z) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); - - if (is_overflow || is_carry) - FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(OTHER_FLAG), OTHER_FLAG)); - /* dst may be the same as src1 or src2. */ - if (!(flags & UNUSED_DEST) || (op & VARIABLE_FLAG_MASK)) - 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 (is_overflow || is_carry) - FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(OTHER_FLAG) | DA(OTHER_FLAG), OTHER_FLAG)); - if (!is_overflow) - return SLJIT_SUCCESS; - FAIL_IF(push_inst(compiler, SELECT_OP(DSLL32, SLL) | TA(OTHER_FLAG) | D(TMP_REG1) | SH_IMM(31), DR(TMP_REG1))); - FAIL_IF(push_inst(compiler, XOR | S(TMP_REG1) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG)); - FAIL_IF(push_inst(compiler, XOR | S(dst) | TA(EQUAL_FLAG) | DA(OTHER_FLAG), OTHER_FLAG)); - if (op & SLJIT_SET_Z) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(dst) | TA(0) | DA(EQUAL_FLAG), EQUAL_FLAG)); - return push_inst(compiler, SELECT_OP(DSRL32, SRL) | TA(OTHER_FLAG) | DA(OTHER_FLAG) | SH_IMM(31), OTHER_FLAG); - - case SLJIT_ADDC: - is_carry = GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY); - - if (flags & SRC2_IMM) { - if (is_carry) { - if (src2 >= 0) - FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); - else { - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | SA(0) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); - FAIL_IF(push_inst(compiler, OR | S(src1) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG)); - } - } - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(src2), DR(dst))); - } else { - if (is_carry) - FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_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 (is_carry) - FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG)); - - FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(dst) | TA(OTHER_FLAG) | D(dst), DR(dst))); - if (!is_carry) - return SLJIT_SUCCESS; - - /* Set ULESS_FLAG (dst == 0) && (OTHER_FLAG == 1). */ - FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(OTHER_FLAG) | DA(OTHER_FLAG), OTHER_FLAG)); - /* Set carry flag. */ - return push_inst(compiler, OR | SA(OTHER_FLAG) | TA(EQUAL_FLAG) | DA(OTHER_FLAG), OTHER_FLAG); - - case SLJIT_SUB: - 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; - } - - is_handled = 0; - - if (flags & SRC2_IMM) { - if (GET_FLAG_TYPE(op) == SLJIT_LESS || GET_FLAG_TYPE(op) == SLJIT_GREATER_EQUAL) { - FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(OTHER_FLAG) | IMM(src2), OTHER_FLAG)); - is_handled = 1; - } - else if (GET_FLAG_TYPE(op) == SLJIT_SIG_LESS || GET_FLAG_TYPE(op) == SLJIT_SIG_GREATER_EQUAL) { - FAIL_IF(push_inst(compiler, SLTI | S(src1) | TA(OTHER_FLAG) | IMM(src2), OTHER_FLAG)); - is_handled = 1; - } - } - - if (!is_handled && GET_FLAG_TYPE(op) >= SLJIT_LESS && GET_FLAG_TYPE(op) <= SLJIT_SIG_LESS_EQUAL) { - is_handled = 1; - - if (flags & SRC2_IMM) { - FAIL_IF(push_inst(compiler, ADDIU | SA(0) | T(TMP_REG2) | IMM(src2), DR(TMP_REG2))); - src2 = TMP_REG2; - flags &= ~SRC2_IMM; - } - - if (GET_FLAG_TYPE(op) == SLJIT_LESS || GET_FLAG_TYPE(op) == SLJIT_GREATER_EQUAL) { - FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(OTHER_FLAG), OTHER_FLAG)); - } - else if (GET_FLAG_TYPE(op) == SLJIT_GREATER || GET_FLAG_TYPE(op) == SLJIT_LESS_EQUAL) - { - FAIL_IF(push_inst(compiler, SLTU | S(src2) | T(src1) | DA(OTHER_FLAG), OTHER_FLAG)); - } - else if (GET_FLAG_TYPE(op) == SLJIT_SIG_LESS || GET_FLAG_TYPE(op) == SLJIT_SIG_GREATER_EQUAL) { - FAIL_IF(push_inst(compiler, SLT | S(src1) | T(src2) | DA(OTHER_FLAG), OTHER_FLAG)); - } - else if (GET_FLAG_TYPE(op) == SLJIT_SIG_GREATER || GET_FLAG_TYPE(op) == SLJIT_SIG_LESS_EQUAL) - { - FAIL_IF(push_inst(compiler, SLT | S(src2) | T(src1) | DA(OTHER_FLAG), OTHER_FLAG)); - } - } - - if (is_handled) { - if (flags & SRC2_IMM) { - if (op & SLJIT_SET_Z) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | TA(EQUAL_FLAG) | IMM(-src2), EQUAL_FLAG)); - if (!(flags & UNUSED_DEST)) - return push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(-src2), DR(dst)); - } - else { - if (op & SLJIT_SET_Z) - FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); - if (!(flags & UNUSED_DEST)) - return push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | D(dst), DR(dst)); - } - return SLJIT_SUCCESS; - } - - is_overflow = GET_FLAG_TYPE(op) == SLJIT_OVERFLOW; - is_carry = GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY); - - if (flags & SRC2_IMM) { - if (is_overflow) { - if (src2 >= 0) - FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); - else - FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); - } - else if (op & SLJIT_SET_Z) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | TA(EQUAL_FLAG) | IMM(-src2), EQUAL_FLAG)); - - if (is_overflow || is_carry) - FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(OTHER_FLAG) | IMM(src2), OTHER_FLAG)); - /* dst may be the same as src1 or src2. */ - if (!(flags & UNUSED_DEST) || (op & VARIABLE_FLAG_MASK)) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDIU, ADDIU) | S(src1) | T(dst) | IMM(-src2), DR(dst))); - } - else { - if (is_overflow) - FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); - else if (op & SLJIT_SET_Z) - FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); - - if (is_overflow || is_carry) - FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(OTHER_FLAG), OTHER_FLAG)); - /* dst may be the same as src1 or src2. */ - if (!(flags & UNUSED_DEST) || (op & VARIABLE_FLAG_MASK)) - FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(src1) | T(src2) | D(dst), DR(dst))); - } - - if (!is_overflow) - return SLJIT_SUCCESS; - FAIL_IF(push_inst(compiler, SELECT_OP(DSLL32, SLL) | TA(OTHER_FLAG) | D(TMP_REG1) | SH_IMM(31), DR(TMP_REG1))); - FAIL_IF(push_inst(compiler, XOR | S(TMP_REG1) | TA(EQUAL_FLAG) | DA(EQUAL_FLAG), EQUAL_FLAG)); - FAIL_IF(push_inst(compiler, XOR | S(dst) | TA(EQUAL_FLAG) | DA(OTHER_FLAG), OTHER_FLAG)); - if (op & SLJIT_SET_Z) - FAIL_IF(push_inst(compiler, SELECT_OP(DADDU, ADDU) | S(dst) | TA(0) | DA(EQUAL_FLAG), EQUAL_FLAG)); - return push_inst(compiler, SELECT_OP(DSRL32, SRL) | TA(OTHER_FLAG) | DA(OTHER_FLAG) | SH_IMM(31), OTHER_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; - } - - is_carry = GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY); - - if (flags & SRC2_IMM) { - if (is_carry) - FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_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 (is_carry) - FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_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 (is_carry) - FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(OTHER_FLAG) | D(TMP_REG1), DR(TMP_REG1))); - - FAIL_IF(push_inst(compiler, SELECT_OP(DSUBU, SUBU) | S(dst) | TA(OTHER_FLAG) | D(dst), DR(dst))); - return (is_carry) ? push_inst(compiler, OR | SA(EQUAL_FLAG) | T(TMP_REG1) | DA(OTHER_FLAG), OTHER_FLAG) : SLJIT_SUCCESS; - - case SLJIT_MUL: - SLJIT_ASSERT(!(flags & SRC2_IMM)); - - if (GET_FLAG_TYPE(op) != SLJIT_OVERFLOW) { -#if (defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 6) - return push_inst(compiler, SELECT_OP(DMUL, MUL) | S(src1) | T(src2) | D(dst), DR(dst)); -#elif (defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 1) - if (op & SLJIT_32) - 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 /* SLJIT_MIPS_REV < 1 */ - 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 /* SLJIT_MIPS_REV >= 6 */ - } - -#if (defined SLJIT_MIPS_REV && SLJIT_MIPS_REV >= 6) - FAIL_IF(push_inst(compiler, SELECT_OP(DMUL, MUL) | S(src1) | T(src2) | D(dst), DR(dst))); - FAIL_IF(push_inst(compiler, SELECT_OP(DMUH, MUH) | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); -#else /* SLJIT_MIPS_REV < 6 */ - FAIL_IF(push_inst(compiler, SELECT_OP(DMULT, MULT) | S(src1) | T(src2), MOVABLE_INS)); - FAIL_IF(push_inst(compiler, MFHI | DA(EQUAL_FLAG), EQUAL_FLAG)); - FAIL_IF(push_inst(compiler, MFLO | D(dst), DR(dst))); -#endif /* SLJIT_MIPS_REV >= 6 */ - FAIL_IF(push_inst(compiler, SELECT_OP(DSRA32, SRA) | T(dst) | DA(OTHER_FLAG) | SH_IMM(31), OTHER_FLAG)); - return push_inst(compiler, SELECT_OP(DSUBU, SUBU) | SA(EQUAL_FLAG) | TA(OTHER_FLAG) | DA(OTHER_FLAG), OTHER_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_UNREACHABLE(); - 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))); @@ -653,14 +238,20 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compile if (type & SLJIT_CALL_RETURN) PTR_FAIL_IF(emit_stack_frame_release(compiler, 0, &ins)); - PTR_FAIL_IF(call_with_args(compiler, arg_types, &ins)); + if ((type & 0xff) != SLJIT_CALL_REG_ARG) + PTR_FAIL_IF(call_with_args(compiler, arg_types, &ins)); SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25 && PIC_ADDR_REG == TMP_REG2); - PTR_FAIL_IF(emit_const(compiler, PIC_ADDR_REG, 0)); + if (ins == NOP && compiler->delay_slot != UNMOVABLE_INS) + jump->flags |= IS_MOVABLE; if (!(type & SLJIT_CALL_RETURN)) { - jump->flags |= IS_JAL | IS_CALL; + jump->flags |= IS_JAL; + + if ((type & 0xff) != SLJIT_CALL_REG_ARG) + jump->flags |= IS_CALL; + PTR_FAIL_IF(push_inst(compiler, JALR | S(PIC_ADDR_REG) | DA(RETURN_ADDR_REG), UNMOVABLE_INS)); } else PTR_FAIL_IF(push_inst(compiler, JR | S(PIC_ADDR_REG), UNMOVABLE_INS)); @@ -668,6 +259,8 @@ SLJIT_API_FUNC_ATTRIBUTE struct sljit_jump* sljit_emit_call(struct sljit_compile jump->addr = compiler->size; PTR_FAIL_IF(push_inst(compiler, ins, UNMOVABLE_INS)); + /* Maximum number of instructions required for generating a constant. */ + compiler->size += 6; return jump; } @@ -680,16 +273,37 @@ SLJIT_API_FUNC_ATTRIBUTE sljit_s32 sljit_emit_icall(struct sljit_compiler *compi CHECK_ERROR(); CHECK(check_sljit_emit_icall(compiler, type, arg_types, src, srcw)); + if (src & SLJIT_MEM) { + ADJUST_LOCAL_OFFSET(src, srcw); + FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, DR(PIC_ADDR_REG), src, srcw)); + src = PIC_ADDR_REG; + srcw = 0; + } + + if ((type & 0xff) == SLJIT_CALL_REG_ARG) { + if (type & SLJIT_CALL_RETURN) { + if (src >= SLJIT_FIRST_SAVED_REG && src <= (SLJIT_S0 - SLJIT_KEPT_SAVEDS_COUNT(compiler->options))) { + FAIL_IF(push_inst(compiler, DADDU | S(src) | TA(0) | D(PIC_ADDR_REG), DR(PIC_ADDR_REG))); + src = PIC_ADDR_REG; + srcw = 0; + } + + FAIL_IF(emit_stack_frame_release(compiler, 0, &ins)); + + if (ins != NOP) + FAIL_IF(push_inst(compiler, ins, MOVABLE_INS)); + } + + SLJIT_SKIP_CHECKS(compiler); + return sljit_emit_ijump(compiler, type, src, srcw); + } + SLJIT_ASSERT(DR(PIC_ADDR_REG) == 25 && PIC_ADDR_REG == TMP_REG2); if (src & SLJIT_IMM) FAIL_IF(load_immediate(compiler, DR(PIC_ADDR_REG), srcw)); - else if (FAST_IS_REG(src)) + else if (src != PIC_ADDR_REG) FAIL_IF(push_inst(compiler, DADDU | S(src) | TA(0) | D(PIC_ADDR_REG), DR(PIC_ADDR_REG))); - else if (src & SLJIT_MEM) { - ADJUST_LOCAL_OFFSET(src, srcw); - FAIL_IF(emit_op_mem(compiler, WORD_DATA | LOAD_DATA, DR(PIC_ADDR_REG), src, srcw)); - } if (type & SLJIT_CALL_RETURN) FAIL_IF(emit_stack_frame_release(compiler, 0, &ins)); 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