Workaround the GCC "(long)fn -> lfn" optimization bug.

Pass "-fno-builtin-rint -fno-builtin-rintl -fno-builtin-rintf" to avoid
generating self recursions in lrint, lrintl, and lrintf.

BUG: 14225968
Change-Id: Iffc4d8f0692580d636a529f4c8aa9a7a10d7acd8

1 files changed, 5 insertions, 2 deletions

diff --git a/libm/Android.mk b/libm/Android.mk
index 4dfb2165..b67395f8 100644
--- a/libm/Android.mk
+++ b/libm/Android.mk
@@ -241,6 +241,11 @@ libm_common_cflags := \
     -Wno-unknown-pragmas \
     -fvisibility=hidden \
 
+# Workaround the GCC "(long)fn -> lfn" optimization bug which will result in
+# self recursions for lrint, lrintf, and lrintl.
+# BUG: 14225968
+libm_common_cflags += -fno-builtin-rint -fno-builtin-rintf -fno-builtin-rintl
+
 libm_common_includes := $(LOCAL_PATH)/upstream-freebsd/lib/msun/src/
 
 libm_ld_includes := $(LOCAL_PATH)/upstream-freebsd/lib/msun/ld128/
@@ -270,10 +275,8 @@ LOCAL_SRC_FILES_x86 := i387/fenv.c
 LOCAL_C_INCLUDES_x86_64 := $(libm_ld_includes)
 LOCAL_SRC_FILES_x86_64 := amd64/fenv.c $(libm_ld_src_files)
 
-LOCAL_CFLAGS_mips := -fno-builtin-rintf -fno-builtin-rint
 LOCAL_SRC_FILES_mips := mips/fenv.c
 
-LOCAL_CFLAGS_mips64 := -fno-builtin-rintf -fno-builtin-rint
 LOCAL_C_INCLUDES_mips64 := $(libm_ld_includes)
 LOCAL_SRC_FILES_mips64 := mips/fenv.c $(libm_ld_src_files)