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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include "jit_emit_exception.h"
#include "../jit_frontend.h"
bool
jit_emit_exception(JitCompContext *cc, int32 exception_id, uint8 jit_opcode,
JitReg cond_br_if, JitBasicBlock *cond_br_else_block)
{
JitInsn *insn = NULL;
JitIncomingInsn *incoming_insn;
JitReg else_label;
bh_assert(exception_id < EXCE_NUM);
if (jit_opcode >= JIT_OP_BEQ && jit_opcode <= JIT_OP_BLEU) {
bh_assert(cond_br_if == cc->cmp_reg);
else_label =
cond_br_else_block ? jit_basic_block_label(cond_br_else_block) : 0;
switch (jit_opcode) {
case JIT_OP_BEQ:
insn = GEN_INSN(BEQ, cond_br_if, 0, else_label);
break;
case JIT_OP_BNE:
insn = GEN_INSN(BNE, cond_br_if, 0, else_label);
break;
case JIT_OP_BGTS:
insn = GEN_INSN(BGTS, cond_br_if, 0, else_label);
break;
case JIT_OP_BGES:
insn = GEN_INSN(BGES, cond_br_if, 0, else_label);
break;
case JIT_OP_BLTS:
insn = GEN_INSN(BLTS, cond_br_if, 0, else_label);
break;
case JIT_OP_BLES:
insn = GEN_INSN(BLES, cond_br_if, 0, else_label);
break;
case JIT_OP_BGTU:
insn = GEN_INSN(BGTU, cond_br_if, 0, else_label);
break;
case JIT_OP_BGEU:
insn = GEN_INSN(BGEU, cond_br_if, 0, else_label);
break;
case JIT_OP_BLTU:
insn = GEN_INSN(BLTU, cond_br_if, 0, else_label);
break;
case JIT_OP_BLEU:
insn = GEN_INSN(BLEU, cond_br_if, 0, else_label);
break;
}
if (!insn) {
jit_set_last_error(cc, "generate cond br insn failed");
return false;
}
}
else if (jit_opcode == JIT_OP_JMP) {
insn = GEN_INSN(JMP, 0);
if (!insn) {
jit_set_last_error(cc, "generate jmp insn failed");
return false;
}
}
incoming_insn = jit_calloc(sizeof(JitIncomingInsn));
if (!incoming_insn) {
jit_set_last_error(cc, "allocate memory failed");
return false;
}
incoming_insn->insn = insn;
incoming_insn->next = cc->incoming_insns_for_exec_bbs[exception_id];
cc->incoming_insns_for_exec_bbs[exception_id] = incoming_insn;
return true;
}
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