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authorGlenn Kennard <[email protected]>2017-03-05 18:26:50 +0100
committerDave Airlie <[email protected]>2018-02-09 09:53:08 +1000
commit9d31596d7ae8f24b00450a0b0d242dadfb36dfd9 (patch)
tree42e9bb80a2590539f62ba9274550f615ec7f1377 /src
parent9c48a139b08f223f4ac6e218d19b356bf4a41463 (diff)
r600g: Add pending output function
Spills have to happen after the VLIW bundle currently processed, so defer emitting the spill op. Signed-off-by: Glenn Kennard <[email protected]> Reviewed-by: Dave Airlie <[email protected]>
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/r600/r600_asm.c18
-rw-r--r--src/gallium/drivers/r600/r600_asm.h4
2 files changed, 22 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c
index 5b74be1748a..7a4dddb7b6c 100644
--- a/src/gallium/drivers/r600/r600_asm.c
+++ b/src/gallium/drivers/r600/r600_asm.c
@@ -231,6 +231,15 @@ int r600_bytecode_add_output(struct r600_bytecode *bc,
return 0;
}
+int r600_bytecode_add_pending_output(struct r600_bytecode *bc,
+ const struct r600_bytecode_output *output)
+{
+ assert(bc->n_pending_outputs + 1 < ARRAY_SIZE(bc->pending_outputs));
+ bc->pending_outputs[bc->n_pending_outputs++] = *output;
+
+ return 0;
+}
+
/* alu instructions that can ony exits once per group */
static int is_alu_once_inst(struct r600_bytecode_alu *alu)
{
@@ -1301,6 +1310,15 @@ int r600_bytecode_add_alu_type(struct r600_bytecode *bc,
if (nalu->dst.rel && bc->r6xx_nop_after_rel_dst)
insert_nop_r6xx(bc);
+ /* Might need to insert spill write ops after current clause */
+ if (nalu->last && bc->n_pending_outputs) {
+ while (bc->n_pending_outputs) {
+ r = r600_bytecode_add_output(bc, &bc->pending_outputs[--bc->n_pending_outputs]);
+ if (r)
+ return r;
+ }
+ }
+
return 0;
}
diff --git a/src/gallium/drivers/r600/r600_asm.h b/src/gallium/drivers/r600/r600_asm.h
index b8abdf014d7..93ac717fb8f 100644
--- a/src/gallium/drivers/r600/r600_asm.h
+++ b/src/gallium/drivers/r600/r600_asm.h
@@ -274,6 +274,8 @@ struct r600_bytecode {
unsigned index_reg[2]; /* indexing register CF_INDEX_[01] */
unsigned debug_id;
struct r600_isa* isa;
+ struct r600_bytecode_output pending_outputs[5];
+ int n_pending_outputs;
};
/* eg_asm.c */
@@ -300,6 +302,8 @@ int r600_bytecode_add_gds(struct r600_bytecode *bc,
const struct r600_bytecode_gds *gds);
int r600_bytecode_add_output(struct r600_bytecode *bc,
const struct r600_bytecode_output *output);
+int r600_bytecode_add_pending_output(struct r600_bytecode *bc,
+ const struct r600_bytecode_output *output);
int r600_bytecode_build(struct r600_bytecode *bc);
int r600_bytecode_add_cf(struct r600_bytecode *bc);
int r600_bytecode_add_cfinst(struct r600_bytecode *bc,