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authorIcecream95 <[email protected]>2020-05-24 00:23:25 +1200
committerAlyssa Rosenzweig <[email protected]>2020-07-02 14:41:04 -0400
commita6f0d7f003bc22e0668ea2ad97161dd4c079e594 (patch)
tree8dff78447bcc2058a86bade01d92a0582ece1dd0 /src/panfrost/midgard
parentc957249df9d09c269425e46afc62dc706826cad6 (diff)
pan/mdg: Vectorize vlut operations
total instructions in shared programs: 49462 -> 49458 (<.01%) instructions in affected programs: 348 -> 344 (-1.15%) helped: 2 HURT: 0 total bundles in shared programs: 25201 -> 25199 (<.01%) bundles in affected programs: 142 -> 140 (-1.41%) helped: 2 HURT: 0 total quadwords in shared programs: 40273 -> 40269 (<.01%) quadwords in affected programs: 244 -> 240 (-1.64%) helped: 2 HURT: 0 Reviewed-by: Alyssa Rosenzweig <[email protected]> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5513>
Diffstat (limited to 'src/panfrost/midgard')
-rw-r--r--src/panfrost/midgard/midgard_compile.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/src/panfrost/midgard/midgard_compile.c b/src/panfrost/midgard/midgard_compile.c
index f9198288ba8..1460f6c23b2 100644
--- a/src/panfrost/midgard/midgard_compile.c
+++ b/src/panfrost/midgard/midgard_compile.c
@@ -1245,6 +1245,9 @@ emit_alu(compiler_context *ctx, nir_alu_instr *instr)
unsigned swizzle_back[MIR_VEC_COMPONENTS];
memcpy(&swizzle_back, ins.swizzle[0], sizeof(swizzle_back));
+ midgard_instruction ins_split[MIR_VEC_COMPONENTS];
+ unsigned ins_count = 0;
+
for (int i = 0; i < nr_components; ++i) {
/* Mask the associated component, dropping the
* instruction if needed */
@@ -1252,13 +1255,27 @@ emit_alu(compiler_context *ctx, nir_alu_instr *instr)
ins.mask = 1 << i;
ins.mask &= orig_mask;
+ for (unsigned j = 0; j < ins_count; ++j) {
+ if (swizzle_back[i] == ins_split[j].swizzle[0][0]) {
+ ins_split[j].mask |= ins.mask;
+ ins.mask = 0;
+ break;
+ }
+ }
+
if (!ins.mask)
continue;
for (unsigned j = 0; j < MIR_VEC_COMPONENTS; ++j)
ins.swizzle[0][j] = swizzle_back[i]; /* Pull from the correct component */
- emit_mir_instruction(ctx, ins);
+ ins_split[ins_count] = ins;
+
+ ++ins_count;
+ }
+
+ for (unsigned i = 0; i < ins_count; ++i) {
+ emit_mir_instruction(ctx, ins_split[i]);
}
} else {
emit_mir_instruction(ctx, ins);