SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
{
sljit_si size;
sljit_ub *inst;
CHECK_ERROR();
CHECK(check_sljit_emit_return(compiler, op, src, srcw));
SLJIT_ASSERT(compiler->args >= 0);
compiler->flags_saved = 0;
FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
SLJIT_ASSERT(compiler->local_size > 0);
FAIL_IF(emit_cum_binary(compiler, ADD_r_rm, ADD_rm_r, ADD, ADD_EAX_i32,
SLJIT_SP, 0, SLJIT_SP, 0, SLJIT_IMM, compiler->local_size));
#if !defined(__APPLE__)
if (compiler->options & SLJIT_DOUBLE_ALIGNMENT) {
inst = (sljit_ub*)ensure_buf(compiler, 1 + 3);
FAIL_IF(!inst);
INC_SIZE(3);
inst[0] = MOV_r_rm;
inst[1] = (reg_map[SLJIT_SP] << 3) | 0x4 /* SIB */;
inst[2] = (4 << 3) | reg_map[SLJIT_SP];
}
#endif
size = 2 + (compiler->scratches > 7 ? (compiler->scratches - 7) : 0) +
(compiler->saveds <= 3 ? compiler->saveds : 3);
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (compiler->args > 2)
size += 2;
#else
if (compiler->args > 0)
size += 2;
#endif
inst = (sljit_ub*)ensure_buf(compiler, 1 + size);
FAIL_IF(!inst);
INC_SIZE(size);
if (compiler->saveds > 0 || compiler->scratches > 9)
POP_REG(reg_map[SLJIT_S0]);
if (compiler->saveds > 1 || compiler->scratches > 8)
POP_REG(reg_map[SLJIT_S1]);
if (compiler->saveds > 2 || compiler->scratches > 7)
POP_REG(reg_map[SLJIT_S2]);
POP_REG(reg_map[TMP_REG1]);
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (compiler->args > 2)
RET_I16(sizeof(sljit_sw));
else
RET();
#else
RET();
#endif
return SLJIT_SUCCESS;
}
int sljit_emit_return(struct sljit_compiler *compiler, int src, sljit_w srcw)
{
int size;
sljit_ub *buf;
CHECK_ERROR();
check_sljit_emit_return(compiler, src, srcw);
SLJIT_ASSERT(compiler->args >= 0);
compiler->flags_saved = 0;
CHECK_EXTRA_REGS(src, srcw, (void)0);
if (src != SLJIT_UNUSED && src != SLJIT_RETURN_REG)
FAIL_IF(emit_mov(compiler, SLJIT_RETURN_REG, 0, src, srcw));
if (compiler->local_size > 0)
FAIL_IF(emit_cum_binary(compiler, 0x03, 0x01, 0x0 << 3, 0x05,
SLJIT_LOCALS_REG, 0, SLJIT_LOCALS_REG, 0, SLJIT_IMM, compiler->local_size));
size = 2 + (compiler->generals <= 3 ? compiler->generals : 3);
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (compiler->args > 2)
size += 2;
#else
if (compiler->args > 0)
size += 2;
#endif
buf = (sljit_ub*)ensure_buf(compiler, 1 + size);
FAIL_IF(!buf);
INC_SIZE(size);
if (compiler->generals > 0)
POP_REG(reg_map[SLJIT_GENERAL_REG1]);
if (compiler->generals > 1)
POP_REG(reg_map[SLJIT_GENERAL_REG2]);
if (compiler->generals > 2)
POP_REG(reg_map[SLJIT_GENERAL_REG3]);
POP_REG(reg_map[TMP_REGISTER]);
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (compiler->args > 2)
RETN(sizeof(sljit_w));
else
RET();
#else
if (compiler->args > 0)
RETN(compiler->args * sizeof(sljit_w));
else
RET();
#endif
return SLJIT_SUCCESS;
}
SLJIT_API_FUNC_ATTRIBUTE sljit_si sljit_emit_return(struct sljit_compiler *compiler, sljit_si op, sljit_si src, sljit_sw srcw)
{
sljit_si size;
sljit_ub *inst;
CHECK_ERROR();
check_sljit_emit_return(compiler, op, src, srcw);
SLJIT_ASSERT(compiler->args >= 0);
compiler->flags_saved = 0;
FAIL_IF(emit_mov_before_return(compiler, op, src, srcw));
SLJIT_ASSERT(compiler->local_size > 0);
FAIL_IF(emit_cum_binary(compiler, ADD_r_rm, ADD_rm_r, ADD, ADD_EAX_i32,
SLJIT_LOCALS_REG, 0, SLJIT_LOCALS_REG, 0, SLJIT_IMM, compiler->local_size));
size = 2 + (compiler->saveds <= 3 ? compiler->saveds : 3);
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (compiler->args > 2)
size += 2;
#else
if (compiler->args > 0)
size += 2;
#endif
inst = (sljit_ub*)ensure_buf(compiler, 1 + size);
FAIL_IF(!inst);
INC_SIZE(size);
if (compiler->saveds > 0)
POP_REG(reg_map[SLJIT_SAVED_REG1]);
if (compiler->saveds > 1)
POP_REG(reg_map[SLJIT_SAVED_REG2]);
if (compiler->saveds > 2)
POP_REG(reg_map[SLJIT_SAVED_REG3]);
POP_REG(reg_map[TMP_REGISTER]);
#if (defined SLJIT_X86_32_FASTCALL && SLJIT_X86_32_FASTCALL)
if (compiler->args > 2)
RET_I16(sizeof(sljit_sw));
else
RET();
#else
if (compiler->args > 0)
RET_I16(compiler->args * sizeof(sljit_sw));
else
RET();
#endif
return SLJIT_SUCCESS;
}
