diff options
author | Vincent Peyruqueou | 2023-03-27 11:46:59 +0200 |
---|---|---|
committer | Vincent Peyruqueou | 2023-03-27 11:46:59 +0200 |
commit | 0916b5f9072f7bd1b7b045ceb07758f9dc097ac2 (patch) | |
tree | 2904afe1d5d4d770695f78db5ccd722735a8e67b /pcre/sljit/sljitNativeSPARC_32.c | |
parent | 5443d6828eaf5cbc7dc4613d9d75b4c192d17730 (diff) | |
download | ivy-c-master.zip ivy-c-master.tar.gz ivy-c-master.tar.bz2 ivy-c-master.tar.xz |
Diffstat (limited to 'pcre/sljit/sljitNativeSPARC_32.c')
-rw-r--r-- | pcre/sljit/sljitNativeSPARC_32.c | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/pcre/sljit/sljitNativeSPARC_32.c b/pcre/sljit/sljitNativeSPARC_32.c new file mode 100644 index 0000000..8079fad --- /dev/null +++ b/pcre/sljit/sljitNativeSPARC_32.c @@ -0,0 +1,286 @@ +/* + * Stack-less Just-In-Time compiler + * + * 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: + * + * 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. + */ + +static sljit_s32 load_immediate(struct sljit_compiler *compiler, sljit_s32 dst, sljit_sw imm) +{ + if (imm <= SIMM_MAX && imm >= SIMM_MIN) + return push_inst(compiler, OR | D(dst) | S1(0) | IMM(imm), DR(dst)); + + FAIL_IF(push_inst(compiler, SETHI | D(dst) | ((imm >> 10) & 0x3fffff), DR(dst))); + return (imm & 0x3ff) ? push_inst(compiler, OR | D(dst) | S1(dst) | IMM_ARG | (imm & 0x3ff), DR(dst)) : SLJIT_SUCCESS; +} + +#define ARG2(flags, src2) ((flags & SRC2_IMM) ? IMM(src2) : S2(src2)) + +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_COMPILE_ASSERT(ICC_IS_SET == SET_FLAGS, icc_is_set_and_set_flags_must_be_the_same); + + switch (op) { + case SLJIT_MOV: + case SLJIT_MOV_U32: + case SLJIT_MOV_S32: + case SLJIT_MOV_P: + SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); + if (dst != src2) + return push_inst(compiler, OR | D(dst) | S1(0) | S2(src2), 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_U8) + return push_inst(compiler, AND | D(dst) | S1(src2) | IMM(0xff), DR(dst)); + FAIL_IF(push_inst(compiler, SLL | D(dst) | S1(src2) | IMM(24), DR(dst))); + return push_inst(compiler, SRA | D(dst) | S1(dst) | IMM(24), DR(dst)); + } + else if (dst != src2) + SLJIT_UNREACHABLE(); + 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)) { + FAIL_IF(push_inst(compiler, SLL | D(dst) | S1(src2) | IMM(16), DR(dst))); + return push_inst(compiler, (op == SLJIT_MOV_S16 ? SRA : SRL) | D(dst) | S1(dst) | IMM(16), DR(dst)); + } + else if (dst != src2) + SLJIT_UNREACHABLE(); + return SLJIT_SUCCESS; + + case SLJIT_NOT: + SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); + return push_inst(compiler, XNOR | (flags & SET_FLAGS) | D(dst) | S1(0) | S2(src2), DR(dst) | (flags & SET_FLAGS)); + + case SLJIT_CLZ: + SLJIT_ASSERT(src1 == TMP_REG1 && !(flags & SRC2_IMM)); + FAIL_IF(push_inst(compiler, SUB | SET_FLAGS | D(0) | S1(src2) | S2(0), SET_FLAGS)); + FAIL_IF(push_inst(compiler, OR | D(TMP_REG1) | S1(0) | S2(src2), DR(TMP_REG1))); + FAIL_IF(push_inst(compiler, BICC | DA(0x1) | (7 & DISP_MASK), UNMOVABLE_INS)); + FAIL_IF(push_inst(compiler, OR | D(dst) | S1(0) | IMM(32), UNMOVABLE_INS)); + FAIL_IF(push_inst(compiler, OR | D(dst) | S1(0) | IMM(-1), DR(dst))); + + /* Loop. */ + FAIL_IF(push_inst(compiler, SUB | SET_FLAGS | D(0) | S1(TMP_REG1) | S2(0), SET_FLAGS)); + FAIL_IF(push_inst(compiler, SLL | D(TMP_REG1) | S1(TMP_REG1) | IMM(1), DR(TMP_REG1))); + FAIL_IF(push_inst(compiler, BICC | DA(0xe) | (-2 & DISP_MASK), UNMOVABLE_INS)); + return push_inst(compiler, ADD | D(dst) | S1(dst) | IMM(1), UNMOVABLE_INS); + + case SLJIT_ADD: + return push_inst(compiler, ADD | (flags & SET_FLAGS) | D(dst) | S1(src1) | ARG2(flags, src2), DR(dst) | (flags & SET_FLAGS)); + + case SLJIT_ADDC: + return push_inst(compiler, ADDC | (flags & SET_FLAGS) | D(dst) | S1(src1) | ARG2(flags, src2), DR(dst) | (flags & SET_FLAGS)); + + case SLJIT_SUB: + return push_inst(compiler, SUB | (flags & SET_FLAGS) | D(dst) | S1(src1) | ARG2(flags, src2), DR(dst) | (flags & SET_FLAGS)); + + case SLJIT_SUBC: + return push_inst(compiler, SUBC | (flags & SET_FLAGS) | D(dst) | S1(src1) | ARG2(flags, src2), DR(dst) | (flags & SET_FLAGS)); + + case SLJIT_MUL: + FAIL_IF(push_inst(compiler, SMUL | D(dst) | S1(src1) | ARG2(flags, src2), DR(dst))); + if (!(flags & SET_FLAGS)) + return SLJIT_SUCCESS; + FAIL_IF(push_inst(compiler, SRA | D(TMP_REG1) | S1(dst) | IMM(31), DR(TMP_REG1))); + FAIL_IF(push_inst(compiler, RDY | D(TMP_LINK), DR(TMP_LINK))); + return push_inst(compiler, SUB | SET_FLAGS | D(0) | S1(TMP_REG1) | S2(TMP_LINK), MOVABLE_INS | SET_FLAGS); + + case SLJIT_AND: + return push_inst(compiler, AND | (flags & SET_FLAGS) | D(dst) | S1(src1) | ARG2(flags, src2), DR(dst) | (flags & SET_FLAGS)); + + case SLJIT_OR: + return push_inst(compiler, OR | (flags & SET_FLAGS) | D(dst) | S1(src1) | ARG2(flags, src2), DR(dst) | (flags & SET_FLAGS)); + + case SLJIT_XOR: + return push_inst(compiler, XOR | (flags & SET_FLAGS) | D(dst) | S1(src1) | ARG2(flags, src2), DR(dst) | (flags & SET_FLAGS)); + + case SLJIT_SHL: + FAIL_IF(push_inst(compiler, SLL | D(dst) | S1(src1) | ARG2(flags, src2), DR(dst))); + return !(flags & SET_FLAGS) ? SLJIT_SUCCESS : push_inst(compiler, SUB | SET_FLAGS | D(0) | S1(dst) | S2(0), SET_FLAGS); + + case SLJIT_LSHR: + FAIL_IF(push_inst(compiler, SRL | D(dst) | S1(src1) | ARG2(flags, src2), DR(dst))); + return !(flags & SET_FLAGS) ? SLJIT_SUCCESS : push_inst(compiler, SUB | SET_FLAGS | D(0) | S1(dst) | S2(0), SET_FLAGS); + + case SLJIT_ASHR: + FAIL_IF(push_inst(compiler, SRA | D(dst) | S1(src1) | ARG2(flags, src2), DR(dst))); + return !(flags & SET_FLAGS) ? SLJIT_SUCCESS : push_inst(compiler, SUB | SET_FLAGS | D(0) | S1(dst) | S2(0), SET_FLAGS); + } + + SLJIT_UNREACHABLE(); + return SLJIT_SUCCESS; +} + +static sljit_s32 call_with_args(struct sljit_compiler *compiler, sljit_s32 arg_types, sljit_s32 *src) +{ + sljit_s32 reg_index = 8; + sljit_s32 word_reg_index = 8; + sljit_s32 float_arg_index = 1; + sljit_s32 double_arg_count = 0; + sljit_s32 float_offset = (16 + 6) * sizeof(sljit_sw); + sljit_s32 types = 0; + sljit_s32 reg = 0; + sljit_s32 move_to_tmp2 = 0; + + if (src) + reg = reg_map[*src & REG_MASK]; + + arg_types >>= SLJIT_DEF_SHIFT; + + while (arg_types) { + types = (types << SLJIT_DEF_SHIFT) | (arg_types & SLJIT_DEF_MASK); + + switch (arg_types & SLJIT_DEF_MASK) { + case SLJIT_ARG_TYPE_F32: + float_arg_index++; + if (reg_index == reg) + move_to_tmp2 = 1; + reg_index++; + break; + case SLJIT_ARG_TYPE_F64: + float_arg_index++; + double_arg_count++; + if (reg_index == reg || reg_index + 1 == reg) + move_to_tmp2 = 1; + reg_index += 2; + break; + default: + if (reg_index != word_reg_index && reg_index < 14 && reg_index == reg) + move_to_tmp2 = 1; + reg_index++; + word_reg_index++; + break; + } + + if (move_to_tmp2) { + move_to_tmp2 = 0; + if (reg < 14) + FAIL_IF(push_inst(compiler, OR | D(TMP_REG1) | S1(0) | S2A(reg), DR(TMP_REG1))); + *src = TMP_REG1; + } + + arg_types >>= SLJIT_DEF_SHIFT; + } + + arg_types = types; + + while (arg_types) { + switch (arg_types & SLJIT_DEF_MASK) { + case SLJIT_ARG_TYPE_F32: + float_arg_index--; + FAIL_IF(push_inst(compiler, STF | FD(float_arg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS)); + float_offset -= sizeof(sljit_f64); + break; + case SLJIT_ARG_TYPE_F64: + float_arg_index--; + if (float_arg_index == 4 && double_arg_count == 4) { + FAIL_IF(push_inst(compiler, STF | FD(float_arg_index) | S1(SLJIT_SP) | IMM((16 + 7) * sizeof(sljit_sw)), MOVABLE_INS)); + FAIL_IF(push_inst(compiler, STF | FD(float_arg_index) | (1 << 25) | S1(SLJIT_SP) | IMM((16 + 8) * sizeof(sljit_sw)), MOVABLE_INS)); + } + else + FAIL_IF(push_inst(compiler, STDF | FD(float_arg_index) | S1(SLJIT_SP) | IMM(float_offset), MOVABLE_INS)); + float_offset -= sizeof(sljit_f64); + break; + default: + break; + } + + arg_types >>= SLJIT_DEF_SHIFT; + } + + float_offset = (16 + 6) * sizeof(sljit_sw); + + while (types) { + switch (types & SLJIT_DEF_MASK) { + case SLJIT_ARG_TYPE_F32: + reg_index--; + if (reg_index < 14) + FAIL_IF(push_inst(compiler, LDUW | DA(reg_index) | S1(SLJIT_SP) | IMM(float_offset), reg_index)); + float_offset -= sizeof(sljit_f64); + break; + case SLJIT_ARG_TYPE_F64: + reg_index -= 2; + if (reg_index < 14) { + if ((reg_index & 0x1) != 0) { + FAIL_IF(push_inst(compiler, LDUW | DA(reg_index) | S1(SLJIT_SP) | IMM(float_offset), reg_index)); + if (reg_index < 13) + FAIL_IF(push_inst(compiler, LDUW | DA(reg_index + 1) | S1(SLJIT_SP) | IMM(float_offset + sizeof(sljit_sw)), reg_index + 1)); + } + else + FAIL_IF(push_inst(compiler, LDD | DA(reg_index) | S1(SLJIT_SP) | IMM(float_offset), reg_index)); + } + float_offset -= sizeof(sljit_f64); + break; + default: + reg_index--; + word_reg_index--; + + if (reg_index != word_reg_index) { + if (reg_index < 14) + FAIL_IF(push_inst(compiler, OR | DA(reg_index) | S1(0) | S2A(word_reg_index), reg_index)); + else + FAIL_IF(push_inst(compiler, STW | DA(word_reg_index) | S1(SLJIT_SP) | IMM(92), word_reg_index)); + } + break; + } + + types >>= SLJIT_DEF_SHIFT; + } + + 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, SETHI | D(dst) | ((init_value >> 10) & 0x3fffff), DR(dst))); + return push_inst(compiler, OR | D(dst) | S1(dst) | IMM_ARG | (init_value & 0x3ff), DR(dst)); +} + +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_ASSERT(((inst[0] & 0xc1c00000) == 0x01000000) && ((inst[1] & 0xc1f82000) == 0x80102000)); + inst[0] = (inst[0] & 0xffc00000) | ((new_target >> 10) & 0x3fffff); + inst[1] = (inst[1] & 0xfffffc00) | (new_target & 0x3ff); + inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); + SLJIT_CACHE_FLUSH(inst, inst + 2); +} + +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_ASSERT(((inst[0] & 0xc1c00000) == 0x01000000) && ((inst[1] & 0xc1f82000) == 0x80102000)); + inst[0] = (inst[0] & 0xffc00000) | ((new_constant >> 10) & 0x3fffff); + inst[1] = (inst[1] & 0xfffffc00) | (new_constant & 0x3ff); + inst = (sljit_ins *)SLJIT_ADD_EXEC_OFFSET(inst, executable_offset); + SLJIT_CACHE_FLUSH(inst, inst + 2); +} |