openwrt-owl/toolchain/gcc/patches/5.2.0/030-fix-arm-codegen-PR-6593...

22 lines
653 B
Diff

Fix from https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65932
--- a/gcc/config/arm/arm.h
+++ b/gcc/config/arm/arm.h
@@ -628,16 +628,10 @@ extern int arm_arch_crc;
type, but kept valid in the wider mode. The signedness of the
extension may differ from that of the type. */
-/* It is far faster to zero extend chars than to sign extend them */
-
#define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE) \
if (GET_MODE_CLASS (MODE) == MODE_INT \
&& GET_MODE_SIZE (MODE) < 4) \
{ \
- if (MODE == QImode) \
- UNSIGNEDP = 1; \
- else if (MODE == HImode) \
- UNSIGNEDP = 1; \
(MODE) = SImode; \
}