8345591: [aarch64] macroAssembler_aarch64.cpp compile fails ceil_log2 not declared

Kim Barrett · Kim Barrett · commit ef8da28487f9 · 2024-12-05T15:31:43.000Z
Reviewed-by: coleenp, alanb, syan
diff --git a/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp b/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp
@@ -5305,7 +5305,7 @@ MacroAssembler::KlassDecodeMode MacroAssembler::klass_decode_mode() {
   if (operand_valid_for_logical_immediate(
         /*is32*/false, (uint64_t)CompressedKlassPointers::base())) {
     const size_t range = CompressedKlassPointers::klass_range_end() - CompressedKlassPointers::base();
-    const uint64_t range_mask = right_n_bits(ceil_log2(range));
+    const uint64_t range_mask = right_n_bits(log2i_ceil(range));
     if (((uint64_t)CompressedKlassPointers::base() & range_mask) == 0) {
       return (_klass_decode_mode = KlassDecodeXor);
     }

Original file line number	Diff line number	Diff line change
`@@ -5305,7 +5305,7 @@ MacroAssembler::KlassDecodeMode MacroAssembler::klass_decode_mode() {`
`5305`	`5305`	`if (operand_valid_for_logical_immediate(`
`5306`	`5306`	`/is32/false, (uint64_t)CompressedKlassPointers::base())) {`
`5307`	`5307`	`const size_t range = CompressedKlassPointers::klass_range_end() - CompressedKlassPointers::base();`
`5308`		`- const uint64_t range_mask = right_n_bits(ceil_log2(range));`
	`5308`	`+ const uint64_t range_mask = right_n_bits(log2i_ceil(range));`
`5309`	`5309`	`if (((uint64_t)CompressedKlassPointers::base() & range_mask) == 0) {`
`5310`	`5310`	`return (_klass_decode_mode = KlassDecodeXor);`
`5311`	`5311`	`}`