pkarashchenko commented on code in PR #6155:
URL: https://github.com/apache/incubator-nuttx/pull/6155#discussion_r861635091


##########
arch/z80/src/ez80/Toolchain.defs:
##########
@@ -66,9 +66,19 @@ ARCHASMWARNINGS = -W
 
 # Optimization of unused sections
 
+ifneq ($(CONFIG_DEBUG_NOOPT),y)
+  ARCHOPTIMIZATION += -fno-strict-aliasing
+endif
+
+ifeq ($(CONFIG_FRAME_POINTER),y)
+  ARCHOPTIMIZATION += -fno-omit-frame-pointer -fno-optimize-sibling-calls
+else
+  ARCHOPTIMIZATION += -fomit-frame-pointer
+endif

Review Comment:
   Please move this before the comment above



##########
arch/z80/src/ez80/Toolchain.defs:
##########
@@ -66,9 +66,19 @@ ARCHASMWARNINGS = -W
 
 # Optimization of unused sections
 
+ifneq ($(CONFIG_DEBUG_NOOPT),y)

Review Comment:
   there is `ifeq ($(CONFIG_DEBUG_NOOPT),y)` at line 45. Please merge with that 
selection.
   Or maybe you can add `CONFIG_DEBUG_CUSTOMOPT` and make it the same way as in 
other files



##########
boards/sim/sim/sim/scripts/Make.defs:
##########
@@ -41,18 +41,18 @@ ARCHDEFINES += -U__NetBSD__ -U__linux__ -U__sun__ -U__unix__
 ARCHDEFINES += -U__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
 
 ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
-  ARCHOPTIMIZATION = -g
-  ARCHOPTIMIZATIONRUST = -g
+  ARCHOPTIMIZATION += -g
+  ARCHOPTIMIZATIONRUST += -g
 endif
 
 ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y)
-  MAXOPTIMIZATION := $(CONFIG_DEBUG_OPTLEVEL)
-else
-  MAXOPTIMIZATION ?= -O2
+  ARCHOPTIMIZATION :+= $(CONFIG_DEBUG_OPTLEVEL)

Review Comment:
   ```suggestion
     ARCHOPTIMIZATION += $(CONFIG_DEBUG_OPTLEVEL)
   ```



##########
arch/sparc/src/sparc_v8/Toolchain.defs:
##########
@@ -56,19 +56,29 @@ else
   $(error "No valid CONFIG_ARCH_CHIP_ set in the configuration")
 endif
 
+ifneq ($(CONFIG_DEBUG_NOOPT),y)
+  ARCHOPTIMIZATION += -fno-strict-aliasing
+endif
+
+ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y)
+  ARCHOPTIMIZATION += $(CONFIG_DEBUG_OPTLEVEL)
+else ifeq ($(CONFIG_DEBUG_FULLOPT),y)
+  ARCHOPTIMIZATION += -O2
+endif
+
 ifeq ($(CONFIG_DEBUG_CUSTOMOPT),y)
-  MAXOPTIMIZATION := $(CONFIG_DEBUG_OPTLEVEL)
+  ARCHOPTIMIZATION += $(CONFIG_DEBUG_OPTLEVEL)
 endif

Review Comment:
   Duplicates above



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