static void
powerpc_rule_accsadubl (OrcCompiler *p, void *user, OrcInstruction *insn)
{
int tmp1 = p->tmpreg;
int tmp2 = POWERPC_V31;
int src1 = ORC_SRC_ARG (p, insn, 0);
int src2 = ORC_SRC_ARG (p, insn, 1);
int dest = ORC_DEST_ARG (p, insn, 0);
powerpc_emit_vmaxub (p, tmp1, src1, src2);
powerpc_emit_vminub (p, tmp2, src1, src2);
powerpc_emit_vsububm (p, tmp1, tmp1, tmp2);
if (p->loop_shift == 0) {
powerpc_emit_vxor (p, tmp2, tmp2, tmp2);
powerpc_emit_vmrghb (p, tmp1, tmp2, tmp1);
powerpc_emit_vmrghh (p, tmp1, tmp2, tmp1);
powerpc_emit_vadduwm (p, dest, dest, tmp1);
} else if (p->loop_shift == 1) {
powerpc_emit_vxor (p, tmp2, tmp2, tmp2);
powerpc_emit_vmrghh (p, tmp1, tmp2, tmp1);
powerpc_emit_vsum4ubs (p, dest, dest, tmp1);
} else {
powerpc_emit_vsum4ubs (p, dest, dest, tmp1);
}
}
static void
powerpc_rule_mullw (OrcCompiler *p, void *user, OrcInstruction *insn)
{
int src1 = ORC_SRC_ARG (p, insn, 0);
int src2 = ORC_SRC_ARG (p, insn, 1);
int dest = ORC_DEST_ARG (p, insn, 0);
int tmp = POWERPC_V0;
powerpc_emit_vxor (p, tmp, tmp, tmp);
powerpc_emit_vmladduhm (p, dest, src1, src2, POWERPC_V0);
}
void
orc_compiler_powerpc_assemble (OrcCompiler *compiler)
{
int j;
int k;
OrcInstruction *insn;
OrcStaticOpcode *opcode;
//OrcVariable *args[10];
OrcRule *rule;
int label_outer_loop_start;
int label_loop_start;
int label_leave;
int set_vscr = FALSE;
label_outer_loop_start = orc_compiler_label_new (compiler);
label_loop_start = orc_compiler_label_new (compiler);
label_leave = orc_compiler_label_new (compiler);
powerpc_emit_prologue (compiler);
if (orc_program_has_float (compiler)) {
int tmp = POWERPC_V0;
set_vscr = TRUE;
ORC_ASM_CODE(compiler," vspltish %s, %d\n",
powerpc_get_regname(tmp), 1);
powerpc_emit_VX(compiler, 0x1000034c,
powerpc_regnum(tmp), 1, 0);
powerpc_emit_VX_b(compiler, "mtvscr", 0x10000644, tmp);
}
if (compiler->program->is_2d) {
powerpc_emit_lwz (compiler, POWERPC_R0, POWERPC_R3,
(int)ORC_STRUCT_OFFSET(OrcExecutorAlt, m));
powerpc_emit_srawi (compiler, POWERPC_R0, POWERPC_R0,
compiler->loop_shift, 1);
powerpc_emit_beq (compiler, label_leave);
powerpc_emit_stw (compiler, POWERPC_R0, POWERPC_R3,
(int)ORC_STRUCT_OFFSET(OrcExecutorAlt, m_index));
}
//powerpc_load_constants (compiler);
powerpc_load_inner_constants (compiler);
for(k=0;k<4;k++){
OrcVariable *var = &compiler->vars[ORC_VAR_A1 + k];
if (compiler->vars[ORC_VAR_A1 + k].name == NULL) continue;
//powerpc_emit_VX_2(p, "vxor", 0x100004c4, reg, reg, reg);
powerpc_emit_vxor (compiler, var->alloc, var->alloc, var->alloc);
}
powerpc_emit_label (compiler, label_outer_loop_start);
powerpc_emit_lwz (compiler, POWERPC_R0, POWERPC_R3,
(int)ORC_STRUCT_OFFSET(OrcExecutor, n));
powerpc_emit_srawi (compiler, POWERPC_R0, POWERPC_R0,
compiler->loop_shift, 1);
powerpc_emit_beq (compiler, label_leave);
powerpc_emit (compiler, 0x7c0903a6);
ORC_ASM_CODE (compiler, " mtctr %s\n", powerpc_get_regname(POWERPC_R0));
powerpc_emit_label (compiler, label_loop_start);
for(j=0;j<compiler->n_insns;j++){
insn = compiler->insns + j;
opcode = insn->opcode;
compiler->insn_index = j;
ORC_ASM_CODE(compiler,"# %d: %s\n", j, insn->opcode->name);
#if 0
/* set up args */
for(k=0;k<opcode->n_src + opcode->n_dest;k++){
args[k] = compiler->vars + insn->args[k];
ORC_ASM_CODE(compiler," %d", args[k]->alloc);
if (args[k]->is_chained) {
ORC_ASM_CODE(compiler," (chained)");
}
}
ORC_ASM_CODE(compiler,"\n");
#endif
for(k=0;k<ORC_STATIC_OPCODE_N_SRC;k++){
OrcVariable *var = compiler->vars + insn->src_args[k];
if (opcode->src_size[k] == 0) continue;
switch (var->vartype) {
case ORC_VAR_TYPE_SRC:
case ORC_VAR_TYPE_DEST:
//powerpc_emit_load_src (compiler, var);
break;
case ORC_VAR_TYPE_CONST:
break;
case ORC_VAR_TYPE_TEMP:
break;
default:
break;
}
}
compiler->min_temp_reg = ORC_VEC_REG_BASE;
rule = insn->rule;
if (rule) {
rule->emit (compiler, rule->emit_user, insn);
} else {
ORC_ASM_CODE(compiler,"No rule for: %s\n", opcode->name);
}
for(k=0;k<ORC_STATIC_OPCODE_N_DEST;k++){
OrcVariable *var = compiler->vars + insn->dest_args[k];
if (opcode->dest_size[k] == 0) continue;
switch (var->vartype) {
case ORC_VAR_TYPE_DEST:
//powerpc_emit_store_dest (compiler, var);
break;
case ORC_VAR_TYPE_TEMP:
break;
default:
break;
}
}
}
for(k=0;k<ORC_N_COMPILER_VARIABLES;k++){
if (compiler->vars[k].name == NULL) continue;
if (compiler->vars[k].vartype == ORC_VAR_TYPE_SRC ||
compiler->vars[k].vartype == ORC_VAR_TYPE_DEST) {
if (compiler->vars[k].ptr_register) {
powerpc_emit_addi (compiler,
compiler->vars[k].ptr_register,
compiler->vars[k].ptr_register,
compiler->vars[k].size << compiler->loop_shift);
} else {
ORC_ASM_CODE(compiler,"ERROR\n");
}
}
}
powerpc_emit_bne (compiler, label_loop_start);
if (compiler->program->is_2d) {
powerpc_emit_lwz (compiler, POWERPC_R0, POWERPC_R3,
(int)ORC_STRUCT_OFFSET(OrcExecutorAlt, m_index));
powerpc_emit_addi_rec (compiler, POWERPC_R0, POWERPC_R0, -1);
powerpc_emit_beq (compiler, label_leave);
powerpc_emit_stw (compiler, POWERPC_R0, POWERPC_R3,
(int)ORC_STRUCT_OFFSET(OrcExecutorAlt, m_index));
for(k=0;k<ORC_N_COMPILER_VARIABLES;k++){
if (compiler->vars[k].name == NULL) continue;
if (compiler->vars[k].vartype == ORC_VAR_TYPE_SRC ||
compiler->vars[k].vartype == ORC_VAR_TYPE_DEST) {
if (compiler->vars[k].ptr_register) {
if (compiler->is_64bit) {
powerpc_emit_ld (compiler,
compiler->vars[k].ptr_register,
POWERPC_R3,
(int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[k]));
} else {
powerpc_emit_lwz (compiler,
compiler->vars[k].ptr_register,
POWERPC_R3,
(int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[k]));
}
powerpc_emit_lwz (compiler,
POWERPC_R0,
POWERPC_R3,
(int)ORC_STRUCT_OFFSET(OrcExecutorAlt, strides[k]));
powerpc_emit_add (compiler,
compiler->vars[k].ptr_register,
compiler->vars[k].ptr_register,
POWERPC_R0);
if (compiler->is_64bit) {
powerpc_emit_std (compiler,
compiler->vars[k].ptr_register,
POWERPC_R3,
(int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[k]));
} else {
powerpc_emit_stw (compiler,
compiler->vars[k].ptr_register,
POWERPC_R3,
(int)ORC_STRUCT_OFFSET(OrcExecutor, arrays[k]));
}
} else {
ORC_ASM_CODE(compiler,"ERROR\n");
}
}
}
powerpc_emit_b (compiler, label_outer_loop_start);
}
powerpc_emit_label (compiler, label_leave);
for(k=0;k<4;k++){
OrcVariable *var = &compiler->vars[ORC_VAR_A1 + k];
if (compiler->vars[ORC_VAR_A1 + k].name == NULL) continue;
powerpc_emit_addi (compiler,
POWERPC_R0,
POWERPC_R3,
(int)ORC_STRUCT_OFFSET(OrcExecutor, accumulators[k]));
if (var->size == 2) {
powerpc_emit_vxor (compiler, POWERPC_V0, POWERPC_V0, POWERPC_V0);
powerpc_emit_vmrghh (compiler, var->alloc, POWERPC_V0, var->alloc);
}
ORC_ASM_CODE(compiler," lvsr %s, 0, %s\n",
powerpc_get_regname (POWERPC_V0),
powerpc_get_regname (POWERPC_R0));
powerpc_emit_X (compiler, 0x7c00004c, powerpc_regnum(POWERPC_V0),
0, powerpc_regnum(POWERPC_R0));
powerpc_emit_vperm (compiler, var->alloc, var->alloc, var->alloc,
POWERPC_V0);
ORC_ASM_CODE(compiler," stvewx %s, 0, %s\n",
powerpc_get_regname (var->alloc),
powerpc_get_regname (POWERPC_R0));
powerpc_emit_X (compiler, 0x7c00018e,
powerpc_regnum(var->alloc),
0, powerpc_regnum(POWERPC_R0));
}
if (set_vscr) {
int tmp = POWERPC_V0;
ORC_ASM_CODE(compiler," vspltisw %s, %d\n",
powerpc_get_regname(tmp), 0);
powerpc_emit_VX(compiler, 0x1000038c,
powerpc_regnum(tmp), 0, 0);
powerpc_emit_VX_b(compiler, "mtvscr", 0x10000644, tmp);
}
powerpc_emit_epilogue (compiler);
powerpc_do_fixups (compiler);
}
