| author | Nick Desaulniers <ndesaulniers@google.com> | 2018-04-26 21:28:07 (GMT) |
|---|---|---|
| committer | Tri Vo <trong@google.com> | 2019-05-23 23:51:33 (GMT) |
| commit | 8d921693f626f9132ba5c2f2c8704bc813507b75 (patch) | |
| tree | 1079d05ad1b7cbaf93474bc4ed90f01c70922404 | |
| parent | 8e2c08d176f9d6e20881b3a5647f53a773458a41 (diff) | |
| download | common-8d921693f626f9132ba5c2f2c8704bc813507b75.zip common-8d921693f626f9132ba5c2f2c8704bc813507b75.tar.gz common-8d921693f626f9132ba5c2f2c8704bc813507b75.tar.bz2 | |
BACKPORT: kbuild: gcov: enable -fno-tree-loop-im if supported
Clang does not recognize this compiler option.
Reported-by: Prasad Sodagudi <psodagud@codeaurora.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
(cherry picked from commit c64ba044ed57ea72cc1c7b14a8dcfb6ded5a759c)
Bug: 122733725
Test: defconfig + CONFIG_GCOV_KERNEL records coverage
Change-Id: I334ebf83a9209d1e4a3e29ee12279f36f7afecdd
| -rw-r--r-- | Makefile | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -636,7 +636,9 @@ 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 |