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| author | Felix Fietkau <nbd@nbd.name> | 2016-07-14 15:43:49 +0200 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2016-07-15 14:14:42 +0200 |
| commit | f021ea47d322eec759d2f0ee5c15e289939819fd (patch) | |
| tree | 7b7265c433df5233bca62f27acd8615c5ae36032 /include/target.mk | |
| parent | 11d496d1562084d4cdd5822d5ef8fc8c176233ea (diff) | |
| download | upstream-f021ea47d322eec759d2f0ee5c15e289939819fd.tar.gz upstream-f021ea47d322eec759d2f0ee5c15e289939819fd.tar.bz2 upstream-f021ea47d322eec759d2f0ee5c15e289939819fd.zip | |
target.mk: change CPU_CFLAGS to better suit target CPUs
-march forces the compiler to generate generic code, whereas -mcpu
allows it to target the specific CPU variant and use instructions that
the generic architecture may not have
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'include/target.mk')
| -rw-r--r-- | include/target.mk | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/include/target.mk b/include/target.mk index 0a42411d17..6a0ec97cbf 100644 --- a/include/target.mk +++ b/include/target.mk @@ -183,19 +183,19 @@ ifeq ($(DUMP),1) endif ifneq ($(findstring arm,$(ARCH)),) CPU_TYPE ?= xscale - CPU_CFLAGS_arm920t = -march=armv4t -mtune=arm920t - CPU_CFLAGS_arm926ej-s = -march=armv5te -mtune=arm926ej-s - CPU_CFLAGS_arm1136j-s = -march=armv6 -mtune=arm1136j-s - CPU_CFLAGS_arm1176jzf-s = -march=armv6 -mtune=arm1176jzf-s - CPU_CFLAGS_cortex-a5 = -march=armv7-a -mtune=cortex-a5 - CPU_CFLAGS_cortex-a7 = -march=armv7-a -mtune=cortex-a7 - CPU_CFLAGS_cortex-a8 = -march=armv7-a -mtune=cortex-a8 - CPU_CFLAGS_cortex-a9 = -march=armv7-a -mtune=cortex-a9 - CPU_CFLAGS_cortex-a15 = -march=armv7-a -mtune=cortex-a15 - CPU_CFLAGS_cortex-a53 = -march=armv8-a -mtune=cortex-a53 - CPU_CFLAGS_fa526 = -march=armv4 -mtune=fa526 - CPU_CFLAGS_mpcore = -march=armv6k -mtune=mpcore - CPU_CFLAGS_xscale = -march=armv5te -mtune=xscale + CPU_CFLAGS_arm920t = -mcpu=arm920t + CPU_CFLAGS_arm926ej-s = -mcpu=arm926ej-s + CPU_CFLAGS_arm1136j-s = -mcpu=arm1136j-s + CPU_CFLAGS_arm1176jzf-s = -mcpu=arm1176jzf-s + CPU_CFLAGS_cortex-a5 = -mcpu=cortex-a5 + CPU_CFLAGS_cortex-a7 = -mcpu=cortex-a7 + CPU_CFLAGS_cortex-a8 = -mcpu=cortex-a8 + CPU_CFLAGS_cortex-a9 = -mcpu=cortex-a9 + CPU_CFLAGS_cortex-a15 = -mcpu=cortex-a15 + CPU_CFLAGS_cortex-a53 = -mcpu=cortex-a53 + CPU_CFLAGS_fa526 = -mcpu=fa526 + CPU_CFLAGS_mpcore = -mcpu=mpcore + CPU_CFLAGS_xscale = -mcpu=xscale ifeq ($(CONFIG_SOFT_FLOAT),) CPU_CFLAGS_neon = -mfpu=neon CPU_CFLAGS_vfp = -mfpu=vfp |