On Fri, 14 Nov 2025 19:22:39 GMT, Albert Mingkun Yang <[email protected]> wrote:
>> Trivial removing obsoleted code for unsupported arch.
>>
>> Test: tier1
>
> Albert Mingkun Yang has updated the pull request with a new target base due
> to a merge or a rebase. The incremental webrev excludes the unrelated changes
> brought in by the merge/rebase. The pull request contains three additional
> commits since the last revision:
>
> - Merge branch 'master' into remove-tlab-reserve
> - review
> - remove-tlab-reserve
At least PPC64 will need an update because your change breaks the following
nodes:
diff --git a/src/hotspot/cpu/ppc/ppc.ad b/src/hotspot/cpu/ppc/ppc.ad
index 7fcd096d2ad..c169d673aaf 100644
--- a/src/hotspot/cpu/ppc/ppc.ad
+++ b/src/hotspot/cpu/ppc/ppc.ad
@@ -6328,36 +6328,8 @@ instruct loadConD_Ex(regD dst, immD src) %{
// Prefetch instructions.
// Must be safe to execute with invalid address (cannot fault).
-// Special prefetch versions which use the dcbz instruction.
-instruct prefetch_alloc_zero(indirectMemory mem, iRegLsrc src) %{
- match(PrefetchAllocation (AddP mem src));
- predicate(AllocatePrefetchStyle == 3);
- ins_cost(MEMORY_REF_COST);
-
- format %{ "PREFETCH $mem, 2, $src \t// Prefetch write-many with zero" %}
- size(4);
- ins_encode %{
- __ dcbz($src$$Register, $mem$$base$$Register);
- %}
- ins_pipe(pipe_class_memory);
-%}
-
-instruct prefetch_alloc_zero_no_offset(indirectMemory mem) %{
- match(PrefetchAllocation mem);
- predicate(AllocatePrefetchStyle == 3);
- ins_cost(MEMORY_REF_COST);
-
- format %{ "PREFETCH $mem, 2 \t// Prefetch write-many with zero" %}
- size(4);
- ins_encode %{
- __ dcbz($mem$$base$$Register);
- %}
- ins_pipe(pipe_class_memory);
-%}
-
instruct prefetch_alloc(indirectMemory mem, iRegLsrc src) %{
match(PrefetchAllocation (AddP mem src));
- predicate(AllocatePrefetchStyle != 3);
ins_cost(MEMORY_REF_COST);
format %{ "PREFETCH $mem, 2, $src \t// Prefetch write-many" %}
@@ -6370,7 +6342,6 @@ instruct prefetch_alloc(indirectMemory mem, iRegLsrc src)
%{
instruct prefetch_alloc_no_offset(indirectMemory mem) %{
match(PrefetchAllocation mem);
- predicate(AllocatePrefetchStyle != 3);
ins_cost(MEMORY_REF_COST);
format %{ "PREFETCH $mem, 2 \t// Prefetch write-many" %}
-------------
PR Comment: https://git.openjdk.org/jdk/pull/28240#issuecomment-3539357960
