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ilo: cleanup ISA DW0 decoding

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Add disasm_inst_decode_dw0_opcode_gen6() to decode the opcode.  Simplify
branch_ctrl/acc_wr_ctrl decoding.
This commit is contained in:
Chia-I Wu
2015-02-14 02:18:55 +08:00
parent 5fc0dd8953
commit db362983d1
1 changed files with 16 additions and 10 deletions
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src/gallium/drivers/ilo/shader/toy_compiler_disasm.c
+16 -10
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@@ -184,7 +184,7 @@ static const struct {
};
static void
disasm_inst_decode_dw0_gen6(struct disasm_inst *inst, uint32_t dw0)
disasm_inst_decode_dw0_opcode_gen6(struct disasm_inst *inst, uint32_t dw0)
{
ILO_DEV_ASSERT(inst->dev, 6, 8);
@@ -218,6 +218,14 @@ disasm_inst_decode_dw0_gen6(struct disasm_inst *inst, uint32_t dw0)
default:
break;
}
}
static void
disasm_inst_decode_dw0_gen6(struct disasm_inst *inst, uint32_t dw0)
{
ILO_DEV_ASSERT(inst->dev, 6, 8);
disasm_inst_decode_dw0_opcode_gen6(inst, dw0);
inst->access_mode = GEN_EXTRACT(dw0, GEN6_INST_ACCESSMODE);
@@ -250,19 +258,17 @@ disasm_inst_decode_dw0_gen6(struct disasm_inst *inst, uint32_t dw0)
break;
}
if (ilo_dev_gen(inst->dev) >= ILO_GEN(8)) {
switch (inst->opcode) {
case GEN6_OPCODE_IF:
case GEN6_OPCODE_ELSE:
case GEN8_OPCODE_GOTO:
switch (inst->opcode) {
case GEN6_OPCODE_IF:
case GEN6_OPCODE_ELSE:
case GEN8_OPCODE_GOTO:
if (ilo_dev_gen(inst->dev) >= ILO_GEN(8)) {
inst->branch_ctrl = (bool) (dw0 & GEN8_INST_BRANCHCTRL);
break;
default:
inst->acc_wr_ctrl = (bool) (dw0 & GEN6_INST_ACCWRCTRL);
break;
}
} else {
default:
inst->acc_wr_ctrl = (bool) (dw0 & GEN6_INST_ACCWRCTRL);
break;
}
inst->cmpt_ctrl = (bool) (dw0 & GEN6_INST_CMPTCTRL);