No instruction counts changed, but:
total cycles in shared programs: 64834502 -> 64781530 (-0.08%)
cycles in affected programs: 16331544 -> 16278572 (-0.32%)
helped: 4757
HURT: 4288
GAINED: 66
LOST: 20
I remember trying this when I first wrote the pass, but it wasn't
helpful at the time.
---
src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp
b/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp
index 994c699..d7a1456 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_combine_constants.cpp
@@ -268,7 +268,7 @@ fs_visitor::opt_combine_constants()
qsort(table.imm, table.len, sizeof(struct imm), compare);
/* Insert MOVs to load the constant values into GRFs. */
- fs_reg reg(VGRF, alloc.allocate(dispatch_width / 8));
+ fs_reg reg(VGRF, alloc.allocate(1));
reg.stride = 0;
for (int i = 0; i < table.len; i++) {
struct imm *imm = &table.imm[i];
@@ -284,8 +284,8 @@ fs_visitor::opt_combine_constants()
imm->subreg_offset = reg.subreg_offset;
reg.subreg_offset += sizeof(float);
- if ((unsigned)reg.subreg_offset == dispatch_width * sizeof(float)) {
- reg.nr = alloc.allocate(dispatch_width / 8);
+ if ((unsigned)reg.subreg_offset == 8 * sizeof(float)) {
+ reg.nr = alloc.allocate(1);
reg.subreg_offset = 0;
}
}
--
2.4.10
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