Hardware
/
litex
mirror of https://github.com/enjoy-digital/litex.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #401 from antmicro/enable-lto 

software: enable link time optimization (LTO)
This commit is contained in:
enjoy-digital 2020-02-25 15:32:12 +01:00 committed by GitHub
parent 9521f2ff80 718a65c3c9
commit 9e70fcf8ba
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
litex/soc/software/bios/Makefile
View File

@ -29,7 +29,7 @@ bios.elf: $(BIOS_DIRECTORY)/linker.ld $(OBJECTS)
%.elf: ../libbase/crt0-$(CPU)-ctr.o ../libnet/libnet.a ../libbase/libbase-nofloat.a ../libcompiler_rt/libcompiler_rt.a
$(LD) $(LDFLAGS) -T $(BIOS_DIRECTORY)/linker.ld -N -o $@ \
$(CC) $(LDFLAGS) -T $(BIOS_DIRECTORY)/linker.ld -N -o $@ \
../libbase/crt0-$(CPU)-ctr.o \
$(OBJECTS) \
-L../libnet \

6
litex/soc/software/common.mak
View File

@ -14,7 +14,7 @@ else
CC_normal := $(TARGET_PREFIX)gcc -std=gnu99
CX_normal := $(TARGET_PREFIX)g++
endif
AR_normal := $(TARGET_PREFIX)ar
AR_normal := $(TARGET_PREFIX)gcc-ar
LD_normal := $(TARGET_PREFIX)ld
OBJCOPY_normal := $(TARGET_PREFIX)objcopy
@ -46,10 +46,10 @@ DEPFLAGS += -MD -MP
# Toolchain options
#
INCLUDES = -I$(SOC_DIRECTORY)/software/include/base -I$(SOC_DIRECTORY)/software/include -I$(SOC_DIRECTORY)/common -I$(BUILDINC_DIRECTORY)
COMMONFLAGS = $(DEPFLAGS) -Os $(CPUFLAGS) -g3 -fomit-frame-pointer -Wall -fno-builtin -nostdinc $(INCLUDES)
COMMONFLAGS = $(DEPFLAGS) -Os $(CPUFLAGS) -g3 -fomit-frame-pointer -Wall -fno-builtin -nostdinc $(INCLUDES) -flto -fuse-linker-plugin -ffunction-sections -fdata-sections -nostartfiles -nostdlib -nodefaultlibs
CFLAGS = $(COMMONFLAGS) -fexceptions -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes
CXXFLAGS = $(COMMONFLAGS) -std=c++11 -I$(SOC_DIRECTORY)/software/include/basec++ -fexceptions -fno-rtti -ffreestanding
LDFLAGS = -nostdlib -nodefaultlibs -L$(BUILDINC_DIRECTORY)
LDFLAGS = -nostdlib -nodefaultlibs -Os $(CPUFLAGS) -L$(BUILDINC_DIRECTORY)
define compilexx
$(CX) -c $(CXXFLAGS) $(1) $< -o $@