diff options
| -rw-r--r-- | arch/i386/Makefile | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/i386/Makefile b/arch/i386/Makefile index 425361fd9..2fa008fa7 100644 --- a/arch/i386/Makefile +++ b/arch/i386/Makefile | |||
| @@ -11,3 +11,11 @@ ifeq ($(CONFIG_STACK_OPTIMIZATION_386),y) | |||
| 11 | # from aligning stack to 16 bytes. (Which is gcc's way of supporting SSE). | 11 | # from aligning stack to 16 bytes. (Which is gcc's way of supporting SSE). |
| 12 | CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2,) | 12 | CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2,) |
| 13 | endif | 13 | endif |
| 14 | |||
| 15 | # "Control how GCC aligns variables. | ||
| 16 | # Supported values for type are compat uses increased alignment value | ||
| 17 | # compatible uses GCC 4.8 and earlier, abi uses alignment value as specified by the psABI, | ||
| 18 | # and cacheline uses increased alignment value to match the cache line size. | ||
| 19 | # compat is the default." | ||
| 20 | # "abi" seems to be somewhat successful in preventing oversealous data alignment. | ||
| 21 | CFLAGS += $(call cc-option,-malign-data=abi,) | ||