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authorSamuel Pitoiset <[email protected]>2020-01-16 14:37:11 +0100
committerMarge Bot <[email protected]>2020-01-20 16:24:55 +0000
commit1b5bb204d9724e166b33dc03bb187499088f278d (patch)
tree22bd12b360bffd22b5c0346e3e98a406d45b654a
parentb8abfafe8690847dc09bb63a5674dc2e2228a56a (diff)
aco: do not use the vec3 variant for stores on GFX6
GFX6 only supports vec3 with load/store format. Signed-off-by: Samuel Pitoiset <[email protected]> Reviewed-By: Timur Kristóf <[email protected]> Reviewed-by: Daniel Schürmann <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3432>
-rw-r--r--src/amd/compiler/aco_instruction_selection.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp
index 6d6d806a2d0..250f7011b04 100644
--- a/src/amd/compiler/aco_instruction_selection.cpp
+++ b/src/amd/compiler/aco_instruction_selection.cpp
@@ -4501,7 +4501,8 @@ void visit_store_ssbo(isel_context *ctx, nir_intrinsic_instr *instr)
while (writemask) {
int start, count;
u_bit_scan_consecutive_range(&writemask, &start, &count);
- if (count == 3 && smem) {
+ if (count == 3 && (smem || ctx->options->chip_class == GFX6)) {
+ /* GFX6 doesn't support storing vec3, split it. */
writemask |= 1u << (start + 2);
count = 2;
}
@@ -4551,7 +4552,7 @@ void visit_store_ssbo(isel_context *ctx, nir_intrinsic_instr *instr)
case 12:
vmem_op = aco_opcode::buffer_store_dwordx3;
smem_op = aco_opcode::last_opcode;
- assert(!smem);
+ assert(!smem && ctx->options->chip_class > GFX6);
break;
case 16:
vmem_op = aco_opcode::buffer_store_dwordx4;