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Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_vec4.cpp')
-rw-r--r--src/mesa/drivers/dri/i965/brw_vec4.cpp164
1 files changed, 83 insertions, 81 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.cpp b/src/mesa/drivers/dri/i965/brw_vec4.cpp
index 162b481..a7398a7 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4.cpp
@@ -354,95 +354,97 @@ vec4_visitor::opt_vector_float()
{
bool progress = false;
- int last_reg = -1, last_reg_offset = -1;
- enum brw_reg_file last_reg_file = BAD_FILE;
+ foreach_block(block, cfg) {
+ int last_reg = -1, last_reg_offset = -1;
+ enum brw_reg_file last_reg_file = BAD_FILE;
+
+ uint8_t imm[4] = { 0 };
+ int inst_count = 0;
+ vec4_instruction *imm_inst[4];
+ unsigned writemask = 0;
+ enum brw_reg_type dest_type = BRW_REGISTER_TYPE_F;
+
+ foreach_inst_in_block_safe(vec4_instruction, inst, block) {
+ int vf = -1;
+ enum brw_reg_type need_type;
+
+ /* Look for unconditional MOVs from an immediate with a partial
+ * writemask. Skip type-conversion MOVs other than integer 0,
+ * where the type doesn't matter. See if the immediate can be
+ * represented as a VF.
+ */
+ if (inst->opcode == BRW_OPCODE_MOV &&
+ inst->src[0].file == IMM &&
+ inst->predicate == BRW_PREDICATE_NONE &&
+ inst->dst.writemask != WRITEMASK_XYZW &&
+ (inst->src[0].type == inst->dst.type || inst->src[0].d == 0)) {
+
+ vf = brw_float_to_vf(inst->src[0].d);
+ need_type = BRW_REGISTER_TYPE_D;
+
+ if (vf == -1) {
+ vf = brw_float_to_vf(inst->src[0].f);
+ need_type = BRW_REGISTER_TYPE_F;
+ }
+ } else {
+ last_reg = -1;
+ }
- uint8_t imm[4] = { 0 };
- int inst_count = 0;
- vec4_instruction *imm_inst[4];
- unsigned writemask = 0;
- enum brw_reg_type dest_type = BRW_REGISTER_TYPE_F;
+ /* If this wasn't a MOV, or the destination register doesn't match,
+ * or we have to switch destination types, then this breaks our
+ * sequence. Combine anything we've accumulated so far.
+ */
+ if (last_reg != inst->dst.nr ||
+ last_reg_offset != inst->dst.reg_offset ||
+ last_reg_file != inst->dst.file ||
+ (vf > 0 && dest_type != need_type)) {
+
+ if (inst_count > 1) {
+ unsigned vf;
+ memcpy(&vf, imm, sizeof(vf));
+ vec4_instruction *mov = MOV(imm_inst[0]->dst, brw_imm_vf(vf));
+ mov->dst.type = dest_type;
+ mov->dst.writemask = writemask;
+ inst->insert_before(block, mov);
+
+ for (int i = 0; i < inst_count; i++) {
+ imm_inst[i]->remove(block);
+ }
- foreach_block_and_inst_safe(block, vec4_instruction, inst, cfg) {
- int vf = -1;
- enum brw_reg_type need_type;
+ progress = true;
+ }
- /* Look for unconditional MOVs from an immediate with a partial
- * writemask. Skip type-conversion MOVs other than integer 0,
- * where the type doesn't matter. See if the immediate can be
- * represented as a VF.
- */
- if (inst->opcode == BRW_OPCODE_MOV &&
- inst->src[0].file == IMM &&
- inst->predicate == BRW_PREDICATE_NONE &&
- inst->dst.writemask != WRITEMASK_XYZW &&
- (inst->src[0].type == inst->dst.type || inst->src[0].d == 0)) {
-
- vf = brw_float_to_vf(inst->src[0].d);
- need_type = BRW_REGISTER_TYPE_D;
-
- if (vf == -1) {
- vf = brw_float_to_vf(inst->src[0].f);
- need_type = BRW_REGISTER_TYPE_F;
- }
- } else {
- last_reg = -1;
- }
+ inst_count = 0;
+ last_reg = -1;
+ writemask = 0;
+ dest_type = BRW_REGISTER_TYPE_F;
- /* If this wasn't a MOV, or the destination register doesn't match,
- * or we have to switch destination types, then this breaks our
- * sequence. Combine anything we've accumulated so far.
- */
- if (last_reg != inst->dst.nr ||
- last_reg_offset != inst->dst.reg_offset ||
- last_reg_file != inst->dst.file ||
- (vf > 0 && dest_type != need_type)) {
-
- if (inst_count > 1) {
- unsigned vf;
- memcpy(&vf, imm, sizeof(vf));
- vec4_instruction *mov = MOV(imm_inst[0]->dst, brw_imm_vf(vf));
- mov->dst.type = dest_type;
- mov->dst.writemask = writemask;
- inst->insert_before(block, mov);
-
- for (int i = 0; i < inst_count; i++) {
- imm_inst[i]->remove(block);
+ for (int i = 0; i < 4; i++) {
+ imm[i] = 0;
}
-
- progress = true;
}
- inst_count = 0;
- last_reg = -1;
- writemask = 0;
- dest_type = BRW_REGISTER_TYPE_F;
-
- for (int i = 0; i < 4; i++) {
- imm[i] = 0;
+ /* Record this instruction's value (if it was representable). */
+ if (vf != -1) {
+ if ((inst->dst.writemask & WRITEMASK_X) != 0)
+ imm[0] = vf;
+ if ((inst->dst.writemask & WRITEMASK_Y) != 0)
+ imm[1] = vf;
+ if ((inst->dst.writemask & WRITEMASK_Z) != 0)
+ imm[2] = vf;
+ if ((inst->dst.writemask & WRITEMASK_W) != 0)
+ imm[3] = vf;
+
+ writemask |= inst->dst.writemask;
+ imm_inst[inst_count++] = inst;
+
+ last_reg = inst->dst.nr;
+ last_reg_offset = inst->dst.reg_offset;
+ last_reg_file = inst->dst.file;
+ if (vf > 0)
+ dest_type = need_type;
}
}
-
- /* Record this instruction's value (if it was representable). */
- if (vf != -1) {
- if ((inst->dst.writemask & WRITEMASK_X) != 0)
- imm[0] = vf;
- if ((inst->dst.writemask & WRITEMASK_Y) != 0)
- imm[1] = vf;
- if ((inst->dst.writemask & WRITEMASK_Z) != 0)
- imm[2] = vf;
- if ((inst->dst.writemask & WRITEMASK_W) != 0)
- imm[3] = vf;
-
- writemask |= inst->dst.writemask;
- imm_inst[inst_count++] = inst;
-
- last_reg = inst->dst.nr;
- last_reg_offset = inst->dst.reg_offset;
- last_reg_file = inst->dst.file;
- if (vf > 0)
- dest_type = need_type;
- }
}
if (progress)
@@ -1109,7 +1111,7 @@ vec4_visitor::opt_register_coalesce()
/* Can't coalesce this GRF if someone else was going to
* read it later.
*/
- if (var_range_end(var_from_reg(alloc, inst->src[0]), 4) > ip)
+ if (var_range_end(var_from_reg(alloc, dst_reg(inst->src[0])), 4) > ip)
continue;
/* We need to check interference with the final destination between this
generated by cgit v1.1 at 2024-06-01 05:33:47 +0000