/***********************************************************************
* PASS 0
*
* Work forwards to give each calculated value a unique number. Where
* an instruction produces duplicate values (eg DP3), all are given
* the same number.
*
* Translate away swizzling and eliminate non-saturating moves.
*/
void brw_wm_pass0( struct brw_wm_compile *c )
{
GLuint insn;
c->nr_vreg = 0;
c->nr_insns = 0;
pass0_init_undef(c);
pass0_init_payload(c);
for (insn = 0; insn < c->nr_fp_insns; insn++) {
const struct prog_instruction *inst = &c->prog_instructions[insn];
/* Optimize away moves, otherwise emit translated instruction:
*/
switch (inst->Opcode) {
case OPCODE_MOV:
case OPCODE_SWZ:
if (!inst->SaturateMode) {
pass0_precalc_mov(c, inst);
}
else {
translate_insn(c, inst);
}
break;
default:
translate_insn(c, inst);
break;
}
}
if (unlikely(INTEL_DEBUG & DEBUG_WM)) {
brw_wm_print_program(c, "pass0");
}
}
int main()
{
unsigned char insn[] = { 0xf7, 0xd0 };
/*
Rex r;
r.ToIR( insn, (unsigned int)0x8000 );
*/
translate_init();
IRSB *bb = translate_insn( VexArchX86, insn, (unsigned int)0x8000000);
printf("stmts_size: %d\n", bb->stmts_size);
printf("stmts_used: %d\n", bb->stmts_used);
IRStmt **stmts = bb->stmts;
printf("stmts->tag: %08x\n", (*stmts)->tag );
printf("stmts->IMark->addr: %08x\n", (*stmts)->Ist.IMark.addr);
printf("stmts->IMark->len: %d\n", (*stmts)->Ist.IMark.len);
}
