[build] extra -fdevirtualize-at-ltrans optimization for tracker

particle-iot · Jun 19, 2024 · 700bfc9 · 700bfc9
1 parent dcf2c8f
commit 700bfc9
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Showing 2 changed files with 5 additions and 5 deletions.
diff --git a/build/arm-tools.mk b/build/arm-tools.mk
@@ -112,9 +112,9 @@ endif
 # We are using newlib-nano for all the platforms
 CFLAGS += --specs=nano.specs
 
-ifneq ($(CFLAGS_USE_IPA_PTA),)
-CFLAGS += -fipa-pta
-LDFLAGS += -fipa-pta
+ifneq ($(LTO_EXTRA_OPTIMIZATIONS),)
+CFLAGS += -fipa-pta -fdevirtualize-at-ltrans
+LDFLAGS += -fipa-pta -fdevirtualize-at-ltrans
 endif
 
 # Check if the compiler version is the minimum required

diff --git a/modules/tracker/system-part1/makefile b/modules/tracker/system-part1/makefile
@@ -5,8 +5,8 @@ BUILD_PATH_EXT = $(BUILD_TARGET_PLATFORM)
 HAL_LINK :=
 PLATFORM_DFU = 0x30000
 
-# Add -fipa-pta to CFLAGS/LDFLAGS (interprocedural pointer analysis)
-export CFLAGS_USE_IPA_PTA=1
+# Add -fipa-pta and -fdevirtualize-at-ltrans to CFLAGS/LDFLAGS (interprocedural pointer analysis) + more aggressive virtual call optimizations
+export LTO_EXTRA_OPTIMIZATIONS=1
 
 DEPENDENCIES = newlib_nano modules/tracker/user-part modules/tracker/system-part1 dynalib services hal platform system wiring communication rt-dynalib crypto proto_defs wiring_globals
 LIB_DEPENDENCIES = services system wiring communication hal platform crypto proto_defs wiring_globals