r600g: Add support for predicates

Signed-off-by: Tom Stellard <thomas.stellard@amd.com>

4 files changed, 18 insertions, 11 deletions

diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c
index 2341bec4412..0cca829f2ca 100644
--- a/src/gallium/drivers/r600/r600_asm.c
+++ b/src/gallium/drivers/r600/r600_asm.c
@@ -1424,7 +1424,7 @@ int r600_bytecode_add_alu_type(struct r600_bytecode *bc, const struct r600_bytec
 		if (bc->cf_last->inst == BC_INST(bc, V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU) &&
 			type == BC_INST(bc, V_SQ_CF_ALU_WORD1_SQ_CF_INST_ALU_PUSH_BEFORE)) {
 			LIST_FOR_EACH_ENTRY(lalu, &bc->cf_last->alu, list) {
-				if (lalu->predicate) {
+				if (lalu->execute_mask) {
 					bc->force_add_cf = 1;
 					break;
 				}
@@ -1755,6 +1755,7 @@ static int r600_bytecode_alu_build(struct r600_bytecode *bc, struct r600_bytecod
 				S_SQ_ALU_WORD0_SRC1_CHAN(alu->src[1].chan) |
 				S_SQ_ALU_WORD0_SRC1_NEG(alu->src[1].neg) |
 				S_SQ_ALU_WORD0_INDEX_MODE(alu->index_mode) |
+				S_SQ_ALU_WORD0_PRED_SEL(alu->pred_sel) |
 				S_SQ_ALU_WORD0_LAST(alu->last);
 
 	if (alu->is_op3) {
@@ -1779,8 +1780,8 @@ static int r600_bytecode_alu_build(struct r600_bytecode *bc, struct r600_bytecod
 					S_SQ_ALU_WORD1_OP2_OMOD(alu->omod) |
 					S_SQ_ALU_WORD1_OP2_ALU_INST(alu->inst) |
 					S_SQ_ALU_WORD1_BANK_SWIZZLE(alu->bank_swizzle) |
-					S_SQ_ALU_WORD1_OP2_UPDATE_EXECUTE_MASK(alu->predicate) |
-					S_SQ_ALU_WORD1_OP2_UPDATE_PRED(alu->predicate);
+					S_SQ_ALU_WORD1_OP2_UPDATE_EXECUTE_MASK(alu->execute_mask) |
+					S_SQ_ALU_WORD1_OP2_UPDATE_PRED(alu->update_pred);
 	}
 	return 0;
 }
@@ -2467,6 +2468,7 @@ void r600_bytecode_dump(struct r600_bytecode *bc)
 			fprintf(stderr, "CHAN:%d ", alu->src[1].chan);
 			fprintf(stderr, "NEG:%d ", alu->src[1].neg);
 			fprintf(stderr, "IM:%d) ", alu->index_mode);
+			fprintf(stderr, "PRED_SEL:%d ", alu->pred_sel);
 			fprintf(stderr, "LAST:%d)\n", alu->last);
 			id++;
 			fprintf(stderr, "%04d %08X %c ", id, bc->bytecode[id], alu->last ? '*' : ' ');
@@ -2486,8 +2488,8 @@ void r600_bytecode_dump(struct r600_bytecode *bc)
 				fprintf(stderr, "SRC1_ABS:%d ", alu->src[1].abs);
 				fprintf(stderr, "WRITE_MASK:%d ", alu->dst.write);
 				fprintf(stderr, "OMOD:%d ", alu->omod);
-				fprintf(stderr, "EXECUTE_MASK:%d ", alu->predicate);
-				fprintf(stderr, "UPDATE_PRED:%d\n", alu->predicate);
+				fprintf(stderr, "EXECUTE_MASK:%d ", alu->execute_mask);
+				fprintf(stderr, "UPDATE_PRED:%d\n", alu->update_pred);
 			}
 
 			id++;
diff --git a/src/gallium/drivers/r600/r600_asm.h b/src/gallium/drivers/r600/r600_asm.h
index a8a157b79e4..87e751adc78 100644
--- a/src/gallium/drivers/r600/r600_asm.h
+++ b/src/gallium/drivers/r600/r600_asm.h
@@ -53,7 +53,9 @@ struct r600_bytecode_alu {
 	unsigned			inst;
 	unsigned			last;
 	unsigned			is_op3;
-	unsigned			predicate;
+	unsigned			execute_mask;
+	unsigned			update_pred;
+	unsigned			pred_sel;
 	unsigned			bank_swizzle;
 	unsigned			bank_swizzle_force;
 	unsigned			omod;
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index ed95f4cdff3..dfaff832e76 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -310,7 +310,7 @@ static unsigned r600_alu_from_byte_stream(struct r600_shader_ctx *ctx,
 	alu.inst = inst0 | (inst1 << 8);
 	alu.last = bytes[bytes_read++];
 	alu.is_op3 = bytes[bytes_read++];
-	alu.predicate = bytes[bytes_read++];
+	alu.pred_sel = bytes[bytes_read++];
 	alu.bank_swizzle = bytes[bytes_read++];
 	alu.bank_swizzle_force = bytes[bytes_read++];
 	alu.omod = bytes[bytes_read++];
@@ -330,7 +330,8 @@ static void llvm_if(struct r600_shader_ctx *ctx, struct r600_bytecode_alu * alu,
 	unsigned pred_inst)
 {
 	alu->inst = pred_inst; 
-	alu->predicate = 1;
+	alu->execute_mask = 1;
+	alu->update_pred = 1;
 	alu->dst.write = 0;
 	alu->src[1].sel = V_SQ_ALU_SRC_0;
 	alu->src[1].chan = 0;
@@ -4854,7 +4855,8 @@ static int emit_logic_pred(struct r600_shader_ctx *ctx, int opcode)
 
 	memset(&alu, 0, sizeof(struct r600_bytecode_alu));
 	alu.inst = opcode;
-	alu.predicate = 1;
+	alu.execute_mask = 1;
+	alu.update_pred = 1;
 
 	alu.dst.sel = ctx->temp_reg;
 	alu.dst.write = 1;
diff --git a/src/gallium/drivers/r600/r700_asm.c b/src/gallium/drivers/r600/r700_asm.c
index ffa179fbf82..ea37c63525f 100644
--- a/src/gallium/drivers/r600/r700_asm.c
+++ b/src/gallium/drivers/r600/r700_asm.c
@@ -43,6 +43,7 @@ int r700_bytecode_alu_build(struct r600_bytecode *bc, struct r600_bytecode_alu *
 		S_SQ_ALU_WORD0_SRC1_REL(alu->src[1].rel) |
 		S_SQ_ALU_WORD0_SRC1_CHAN(alu->src[1].chan) |
 		S_SQ_ALU_WORD0_SRC1_NEG(alu->src[1].neg) |
+		S_SQ_ALU_WORD0_PRED_SEL(alu->pred_sel) |
 		S_SQ_ALU_WORD0_LAST(alu->last);
 
 	/* don't replace gpr by pv or ps for destination register */
@@ -68,8 +69,8 @@ int r700_bytecode_alu_build(struct r600_bytecode *bc, struct r600_bytecode_alu *
 					S_SQ_ALU_WORD1_OP2_OMOD(alu->omod) |
 					S_SQ_ALU_WORD1_OP2_ALU_INST(alu->inst) |
 					S_SQ_ALU_WORD1_BANK_SWIZZLE(alu->bank_swizzle) |
-			                S_SQ_ALU_WORD1_OP2_UPDATE_EXECUTE_MASK(alu->predicate) |
-		 	                S_SQ_ALU_WORD1_OP2_UPDATE_PRED(alu->predicate);
+			                S_SQ_ALU_WORD1_OP2_UPDATE_EXECUTE_MASK(alu->execute_mask) |
+			                S_SQ_ALU_WORD1_OP2_UPDATE_PRED(alu->update_pred);
 	}
 	return 0;
 }