perf: optimize register increment by replacing mov + add with lea

Author: quake

src/machine/asm/execute_x64.S

@@ -203,8 +203,7 @@
   CALL_INITED_MEMORY; \
   POSTCALL; \
 1: \
-  movq address_reg, TEMP1; \
-  addq $length, TEMP1; \
+  leaq length(address_reg), TEMP1; \
   subq $1, TEMP1; \
   shr $CKB_VM_ASM_MEMORY_FRAME_SHIFTS, TEMP1; \
   movq CKB_VM_ASM_ASM_CORE_MACHINE_OFFSET_FRAMES_PTR(MACHINE), TEMP3; \
@@ -225,8 +224,7 @@
   movq CKB_VM_ASM_ASM_CORE_MACHINE_OFFSET_LAST_READ_FRAME(MACHINE), TEMP2; \
   cmp TEMP2, TEMP1; \
   jne 3f; \
-  movq address_reg, TEMP2; \
-  addq $length, TEMP2; \
+  leaq length(address_reg), TEMP2; \
   shr $CKB_VM_ASM_MEMORY_FRAME_SHIFTS, TEMP2; \
   cmp TEMP2, TEMP1; \
   je 2f; \
@@ -245,8 +243,7 @@
   movq CKB_VM_ASM_ASM_CORE_MACHINE_OFFSET_LAST_READ_FRAME(MACHINE), TEMP2; \
   cmp TEMP2, TEMP1; \
   jne 3f; \
-  movq address_reg, TEMP2; \
-  addq $length, TEMP2; \
+  leaq length(address_reg), TEMP2; \
   shr $CKB_VM_ASM_MEMORY_FRAME_SHIFTS, TEMP2; \
   cmp TEMP2, TEMP1; \
   je 2f; \
@@ -265,8 +262,7 @@
   movq CKB_VM_ASM_ASM_CORE_MACHINE_OFFSET_LAST_WRITE_PAGE(MACHINE), TEMP2; \
   cmp TEMP2, TEMP1; \
   jne 3f;\
-  movq address_reg, TEMP2; \
-  addq $length, TEMP2; \
+  leaq length(address_reg), TEMP2; \
   shr $CKB_VM_ASM_RISCV_PAGE_SHIFTS, TEMP2; \
   cmp TEMP2, TEMP1; \
   je 2f;\
@@ -297,11 +293,9 @@
   CALL_INITED_MEMORY; \
   POSTCALL; \
 1: \
-  movq TEMP2, TEMP1; \
-  addq $1, TEMP1; \
+  leaq 1(TEMP2), TEMP1; \
   shl $CKB_VM_ASM_RISCV_PAGE_SHIFTS, TEMP1; \
-  movq address_reg, TEMP3; \
-  addq $length, TEMP3; \
+  leaq length(address_reg), TEMP3; \
   cmp TEMP1, TEMP3; \
   jbe 2f; \
   shr $CKB_VM_ASM_RISCV_PAGE_SHIFTS, TEMP1; \
@@ -460,8 +454,7 @@ ckb_vm_x64_execute:
   movq CKB_VM_ASM_INVOKE_DATA_OFFSET_FIXED_TRACES(INVOKE_DATA), %rdx
   prefetcht2 0(%rdx, %rax)
   lea CKB_VM_ASM_TRACE_OFFSET_THREADS(TRACE), INST_PC
-  mov INST_PC, INST_ARGS
-  add $8, INST_ARGS
+  lea 8(INST_PC), INST_ARGS
   NEXT_INST
 .p2align 3
 .CKB_VM_ASM_LABEL_OP_CUSTOM_ASM_TRACE_JUMP:
@@ -478,8 +471,7 @@ ckb_vm_x64_execute:
   movq %rax, CKB_VM_ASM_ASM_CORE_MACHINE_OFFSET_CYCLES(MACHINE)
   addq %rdx, PC_ADDRESS
   lea CKB_VM_ASM_TRACE_OFFSET_THREADS(TRACE), INST_PC
-  mov INST_PC, INST_ARGS
-  add $8, INST_ARGS
+  lea 8(INST_PC), INST_ARGS
   NEXT_INST
 .p2align 3
 .prepare_trace:
@@ -507,8 +499,7 @@ ckb_vm_x64_execute:
   movq %rax, CKB_VM_ASM_ASM_CORE_MACHINE_OFFSET_CYCLES(MACHINE)
   addq %rdx, PC_ADDRESS
   lea CKB_VM_ASM_TRACE_OFFSET_THREADS(TRACE), INST_PC
-  mov INST_PC, INST_ARGS
-  add $8, INST_ARGS
+  lea 8(INST_PC), INST_ARGS
   NEXT_INST
 .p2align 3
 .CKB_VM_ASM_LABEL_OP_ADDI: