Date: Mon, 5 Jun 2023 20:39:01 +0800
Subject: [PATCH 13/59] 8287349: AArch64: Merge LDR instructions to improve C1 OSR performance

Bug url: https://bugs.openjdk.org/browse/JDK-8287349
---
 hotspot/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/hotspot/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp b/hotspot/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp
index 528eeae32..22dfd1008 100644
--- a/hotspot/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp
+++ b/hotspot/src/cpu/aarch64/vm/c1_LIRAssembler_aarch64.cpp
@@ -292,10 +292,9 @@ void LIR_Assembler::osr_entry() {
         __ bind(L);
       }
 #endif
-      __ ldr(r19, Address(OSR_buf, slot_offset + 0));
+      __ ldp(r19, r20, Address(OSR_buf, slot_offset));
       __ str(r19, frame_map()->address_for_monitor_lock(i));
-      __ ldr(r19, Address(OSR_buf, slot_offset + 1*BytesPerWord));
-      __ str(r19, frame_map()->address_for_monitor_object(i));
+      __ str(r20, frame_map()->address_for_monitor_object(i));
     }
   }
 }
-- 
2.22.0