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[loong64] Disable vector instructions and linker relaxation 

Signed-off-by: Xiaotian Wu <wuxiaotian@loongson.cn>
pull/1165/head
Xiaotian Wu 2024-03-01 10:35:33 +08:00
parent 7cd73884e5
commit 61ca4eff94
1 changed files with 12 additions and 0 deletions
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12
src/arch/loong64/Makefile
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@ -8,6 +8,18 @@ ASM_TCHAR_OPS := @
CFLAGS += -fstrength-reduce -fomit-frame-pointer
CFLAGS += -falign-jumps=1 -falign-loops=1 -falign-functions=1
## Check if the follow options is valid for current toolchains
# -mno-lsx: Disable 128-bit SIMD instructions, added after gcc-14
# -mno-lasx: Disable 256-bit SIMD instructions, added after gcc-14
# -mno-relax: Disable linker relaxation, added after gcc-14
# -Wa,-mno-relax: Disable linker relaxation, added after binutils-2.41
CHECK_CC_FLAGS := -mno-lsx -mno-lasx -mno-relax -Wa,-mno-relax
define check_cc_flag
$(shell $(CC) $(1) -x c -c /dev/null -o /dev/null > /dev/null 2>&1 && echo $(1))
endef
CFLAGS += $(foreach flag,$(CHECK_CC_FLAGS),$(call check_cc_flag,$(flag)))
# Check if -mno-explicit-relocs is valid
ifeq ($(CCTYPE),gcc)
MNER_TEST = $(CC) -mno-explicit-relocs -x c -c /dev/null -o /dev/null >/dev/null 2>&1