AlexIndustrial/mesa
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

aco/ra: add ra_test_policy::use_compact_relocate

Browse Source 
Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34343>
This commit is contained in:
Rhys Perry
2025-04-01 14:28:51 +01:00
committed by Marge Bot
parent 3c1dbc1d9b
commit 96e49b7904
2 changed files with 9 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/amd/compiler/aco_ir.h
+2
View File
@@ -2219,6 +2219,8 @@ private:
struct ra_test_policy {
/* Force RA to always use its pessimistic fallback algorithm */
bool skip_optimistic_path = false;
/* Force get_reg() to always use its compact_relocate_vars() path */
bool use_compact_relocate = false;
};
void init();
src/amd/compiler/aco_register_allocation.cpp
+7 -5
View File
@@ -1849,7 +1849,7 @@ get_reg(ra_ctx& ctx, const RegisterFile& reg_file, Temp temp,
DefInfo info(ctx, instr, temp.regClass(), operand_index);
if (!ctx.policy.skip_optimistic_path) {
if (!ctx.policy.skip_optimistic_path && !ctx.policy.use_compact_relocate) {
/* try to find space without live-range splits */
res = get_reg_simple(ctx, reg_file, info);
@@ -1857,11 +1857,13 @@ get_reg(ra_ctx& ctx, const RegisterFile& reg_file, Temp temp,
return *res;
}
/* try to find space with live-range splits */
res = get_reg_impl(ctx, reg_file, parallelcopies, info, instr);
if (!ctx.policy.use_compact_relocate) {
/* try to find space with live-range splits */
res = get_reg_impl(ctx, reg_file, parallelcopies, info, instr);
if (res)
return *res;
if (res)
return *res;
}
/* try compacting the linear vgprs to make more space */
std::vector<parallelcopy> pc;