Commit 3101cc88 authored Apr 26, 2018 by Nick Desaulniers Committed by Prasad Sodagudi Aug 28, 2018

kbuild: gcov: enable -fno-tree-loop-im if supported



Clang does not recognize this compiler option.

Change-Id: Ie10ee7c860aa8ae74b6554385e9e369cbbd6f475
Reported-by: Prasad Sodagudi <psodagud@codeaurora.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Git-commit: c64ba044ed57ea72cc1c7b14a8dcfb6ded5a759c
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git


Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>

parent 9ae54a8e

Makefile

+3 −1

Original line number	Diff line number	Diff line
		@@ -637,7 +637,9 @@ all: vmlinux

		KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
		KBUILD_AFLAGS += $(call cc-option,-fno-PIE)
		CFLAGS_GCOV := -fprofile-arcs -ftest-coverage -fno-tree-loop-im $(call cc-disable-warning,maybe-uninitialized,)
		CFLAGS_GCOV := -fprofile-arcs -ftest-coverage \
		$(call cc-option,-fno-tree-loop-im) \
		$(call cc-disable-warning,maybe-uninitialized,)
		CFLAGS_KCOV := $(call cc-option,-fsanitize-coverage=trace-pc,)
		export CFLAGS_GCOV CFLAGS_KCOV