diff options
Diffstat (limited to 'src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_64.c')
-rw-r--r-- | src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_64.c | 270 |
1 files changed, 170 insertions, 100 deletions
diff --git a/src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_64.c b/src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_64.c index c7ee8c9c2e..dd114bb27a 100644 --- a/src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_64.c +++ b/src/3rdparty/pcre2/src/sljit/sljitNativeMIPS_64.c @@ -1,7 +1,7 @@ /* * Stack-less Just-In-Time compiler * - * Copyright 2009-2012 Zoltan Herczeg (hzmester@freemail.hu). All rights reserved. + * Copyright 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: @@ -123,15 +123,15 @@ static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 dst_a #define EMIT_LOGICAL(op_imm, op_norm) \ if (flags & SRC2_IMM) { \ - if (op & SLJIT_SET_E) \ + if (op & SLJIT_SET_Z) \ FAIL_IF(push_inst(compiler, op_imm | S(src1) | TA(EQUAL_FLAG) | IMM(src2), EQUAL_FLAG)); \ - if (CHECK_FLAGS(SLJIT_SET_E)) \ + if (!(flags & UNUSED_DEST)) \ FAIL_IF(push_inst(compiler, op_imm | S(src1) | T(dst) | IMM(src2), DR(dst))); \ } \ else { \ - if (op & SLJIT_SET_E) \ + if (op & SLJIT_SET_Z) \ FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); \ - if (CHECK_FLAGS(SLJIT_SET_E)) \ + if (!(flags & UNUSED_DEST)) \ FAIL_IF(push_inst(compiler, op_norm | S(src1) | T(src2) | D(dst), DR(dst))); \ } @@ -144,16 +144,16 @@ static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 dst_a } \ else \ ins = (op & SLJIT_I32_OP) ? op_imm : op_dimm; \ - if (op & SLJIT_SET_E) \ + if (op & SLJIT_SET_Z) \ FAIL_IF(push_inst(compiler, ins | T(src1) | DA(EQUAL_FLAG) | SH_IMM(src2), EQUAL_FLAG)); \ - if (CHECK_FLAGS(SLJIT_SET_E)) \ + if (!(flags & UNUSED_DEST)) \ 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) \ + if (op & SLJIT_SET_Z) \ FAIL_IF(push_inst(compiler, ins | S(src2) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); \ - if (CHECK_FLAGS(SLJIT_SET_E)) \ + if (!(flags & UNUSED_DEST)) \ FAIL_IF(push_inst(compiler, ins | S(src2) | T(src1) | D(dst), DR(dst))); \ } @@ -161,6 +161,7 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl 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: @@ -180,8 +181,9 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl } return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xff), DR(dst)); } - else if (dst != src2) - SLJIT_ASSERT_STOP(); + else { + SLJIT_ASSERT(dst == src2); + } return SLJIT_SUCCESS; case SLJIT_MOV_U16: @@ -194,8 +196,9 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl } return push_inst(compiler, ANDI | S(src2) | T(dst) | IMM(0xffff), DR(dst)); } - else if (dst != src2) - SLJIT_ASSERT_STOP(); + else { + SLJIT_ASSERT(dst == src2); + } return SLJIT_SUCCESS; case SLJIT_MOV_U32: @@ -209,18 +212,18 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl case SLJIT_NOT: SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); - if (op & SLJIT_SET_E) + if (op & SLJIT_SET_Z) FAIL_IF(push_inst(compiler, NOR | S(src2) | T(src2) | DA(EQUAL_FLAG), EQUAL_FLAG)); - if (CHECK_FLAGS(SLJIT_SET_E)) + 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_R1 && SLJIT_MIPS_R1) - if (op & SLJIT_SET_E) + 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 (CHECK_FLAGS(SLJIT_SET_E)) + if (!(flags & UNUSED_DEST)) FAIL_IF(push_inst(compiler, SELECT_OP(DCLZ, CLZ) | S(src2) | T(dst) | D(dst), DR(dst))); #else if (SLJIT_UNLIKELY(flags & UNUSED_DEST)) { @@ -237,130 +240,192 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl 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: + 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 (op & SLJIT_SET_O) { + if (is_overflow) { if (src2 >= 0) - FAIL_IF(push_inst(compiler, OR | S(src1) | T(src1) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); + 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(OVERFLOW_FLAG), OVERFLOW_FLAG)); + FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); } - if (op & SLJIT_SET_E) + 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 (op & (SLJIT_SET_C | SLJIT_SET_O)) { + + if (is_overflow || is_carry) { if (src2 >= 0) - FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(ULESS_FLAG) | IMM(src2), ULESS_FLAG)); + 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(ULESS_FLAG) | IMM(src2), ULESS_FLAG)); - FAIL_IF(push_inst(compiler, OR | S(src1) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG)); + 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 (CHECK_FLAGS(SLJIT_SET_E)) + 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 (op & SLJIT_SET_O) - FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); - if (op & SLJIT_SET_E) + 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 (op & (SLJIT_SET_C | SLJIT_SET_O)) - FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(ULESS_FLAG), ULESS_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 (CHECK_FLAGS(SLJIT_SET_E)) + 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 (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)) + 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(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); + 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 (op & SLJIT_SET_C) { + if (is_carry) { if (src2 >= 0) - FAIL_IF(push_inst(compiler, ORI | S(src1) | TA(OVERFLOW_FLAG) | IMM(src2), OVERFLOW_FLAG)); + 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(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) | 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 (op & SLJIT_SET_C) - FAIL_IF(push_inst(compiler, OR | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); + 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 (op & SLJIT_SET_C) - FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(OVERFLOW_FLAG) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); + 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(ULESS_FLAG) | D(dst), DR(dst))); - if (!(op & SLJIT_SET_C)) + 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) && (ULESS_FLAG == 1). */ - FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(ULESS_FLAG), ULESS_FLAG)); + /* 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(ULESS_FLAG) | TA(OVERFLOW_FLAG) | DA(ULESS_FLAG), ULESS_FLAG); + return push_inst(compiler, OR | SA(OTHER_FLAG) | TA(EQUAL_FLAG) | DA(OTHER_FLAG), OTHER_FLAG); case SLJIT_SUB: - if ((flags & SRC2_IMM) && ((op & (SLJIT_SET_U | SLJIT_SET_S)) || src2 == SIMM_MIN)) { + 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 (op & SLJIT_SET_O) { + 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(OVERFLOW_FLAG), OVERFLOW_FLAG)); + 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(OVERFLOW_FLAG), OVERFLOW_FLAG)); + FAIL_IF(push_inst(compiler, NOR | S(src1) | T(src1) | DA(EQUAL_FLAG), EQUAL_FLAG)); } - if (op & SLJIT_SET_E) + 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 (op & (SLJIT_SET_C | SLJIT_SET_O)) - FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(ULESS_FLAG) | IMM(src2), ULESS_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 (CHECK_FLAGS(SLJIT_SET_E)) + 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 (op & SLJIT_SET_O) - FAIL_IF(push_inst(compiler, XOR | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); - if (op & SLJIT_SET_E) + 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 (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)); - } + + 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 (CHECK_FLAGS(SLJIT_SET_E | SLJIT_SET_U | SLJIT_SET_S | SLJIT_SET_C)) + 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 (!(op & SLJIT_SET_O)) + if (!is_overflow) 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); + 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) { @@ -369,28 +434,31 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl flags &= ~SRC2_IMM; } + is_carry = GET_FLAG_TYPE(op) == GET_FLAG_TYPE(SLJIT_SET_CARRY); + if (flags & SRC2_IMM) { - if (op & SLJIT_SET_C) - FAIL_IF(push_inst(compiler, SLTIU | S(src1) | TA(OVERFLOW_FLAG) | IMM(src2), OVERFLOW_FLAG)); + 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 (op & SLJIT_SET_C) - FAIL_IF(push_inst(compiler, SLTU | S(src1) | T(src2) | DA(OVERFLOW_FLAG), OVERFLOW_FLAG)); + 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 (op & SLJIT_SET_C) - FAIL_IF(push_inst(compiler, SLTU | S(dst) | TA(ULESS_FLAG) | DA(LESS_FLAG), LESS_FLAG)); + 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(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; + 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 (!(op & SLJIT_SET_O)) { + + if (GET_FLAG_TYPE(op) != SLJIT_MUL_OVERFLOW) { #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)); @@ -402,10 +470,10 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl #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, MFHI | DA(EQUAL_FLAG), EQUAL_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); + 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); @@ -432,7 +500,7 @@ static SLJIT_INLINE sljit_s32 emit_single_op(struct sljit_compiler *compiler, sl return SLJIT_SUCCESS; } - SLJIT_ASSERT_STOP(); + SLJIT_UNREACHABLE(); return SLJIT_SUCCESS; } @@ -446,24 +514,26 @@ static SLJIT_INLINE sljit_s32 emit_const(struct sljit_compiler *compiler, sljit_ 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_API_FUNC_ATTRIBUTE void sljit_set_jump_addr(sljit_uw addr, sljit_uw new_target, sljit_sw executable_offset) { - sljit_ins *inst = (sljit_ins*)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); + inst[0] = (inst[0] & 0xffff0000) | ((new_target >> 48) & 0xffff); + inst[1] = (inst[1] & 0xffff0000) | ((new_target >> 32) & 0xffff); + inst[3] = (inst[3] & 0xffff0000) | ((new_target >> 16) & 0xffff); + inst[5] = (inst[5] & 0xffff0000) | (new_target & 0xffff); + inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); SLJIT_CACHE_FLUSH(inst, inst + 6); } -SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant) +SLJIT_API_FUNC_ATTRIBUTE void sljit_set_const(sljit_uw addr, sljit_sw new_constant, sljit_sw executable_offset) { - sljit_ins *inst = (sljit_ins*)addr; + 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); + inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); SLJIT_CACHE_FLUSH(inst, inst + 6); } |