summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/r600/r600_asm.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/r600/r600_asm.c')
-rw-r--r--src/gallium/drivers/r600/r600_asm.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/src/gallium/drivers/r600/r600_asm.c b/src/gallium/drivers/r600/r600_asm.c
index 3b0d01b872..13bf7644e7 100644
--- a/src/gallium/drivers/r600/r600_asm.c
+++ b/src/gallium/drivers/r600/r600_asm.c
@@ -355,6 +355,20 @@ static int is_alu_reduction_inst(struct r600_bc *bc, struct r600_bc_alu *alu)
}
}
+static int is_alu_cube_inst(struct r600_bc *bc, struct r600_bc_alu *alu)
+{
+ switch (bc->chiprev) {
+ case CHIPREV_R600:
+ case CHIPREV_R700:
+ return !alu->is_op3 &&
+ alu->inst == V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_CUBE;
+ case CHIPREV_EVERGREEN:
+ default:
+ return !alu->is_op3 &&
+ alu->inst == EG_V_SQ_ALU_WORD1_OP2_SQ_OP2_INST_CUBE;
+ }
+}
+
static int is_alu_mova_inst(struct r600_bc *bc, struct r600_bc_alu *alu)
{
switch (bc->chiprev) {
@@ -722,7 +736,8 @@ static int replace_gpr_with_pv_ps(struct r600_bc *bc,
for (i = 0; i < 5; ++i) {
if(prev[i] && prev[i]->dst.write && !prev[i]->dst.rel) {
gpr[i] = prev[i]->dst.sel;
- if (is_alu_reduction_inst(bc, prev[i]))
+ /* cube writes more than PV.X */
+ if (!is_alu_cube_inst(bc, prev[i]) && is_alu_reduction_inst(bc, prev[i]))
chan[i] = 0;
else
chan[i] = prev[i]->dst.chan;