===================================================================
@@ -251,18 +251,18 @@ enum reg_class {
#define REG_CLASS_CONTENTS { \
{0x00000000,0x00000000}, /* NO_REGS */ \
{0x00000001,0x00000000}, /* R0_REG */ \
- {3 << REG_X,0x00000000}, /* POINTER_X_REGS, r26 - r27 */ \
- {3 << REG_Y,0x00000000}, /* POINTER_Y_REGS, r28 - r29 */ \
- {3 << REG_Z,0x00000000}, /* POINTER_Z_REGS, r30 - r31 */ \
+ {3u << REG_X,0x00000000}, /* POINTER_X_REGS, r26 - r27 */ \
+ {3u << REG_Y,0x00000000}, /* POINTER_Y_REGS, r28 - r29 */ \
+ {3u << REG_Z,0x00000000}, /* POINTER_Z_REGS, r30 - r31 */ \
{0x00000000,0x00000003}, /* STACK_REG, STACK */ \
- {(3 << REG_Y) | (3 << REG_Z), \
+ {(3u << REG_Y) | (3u << REG_Z), \
0x00000000}, /* BASE_POINTER_REGS, r28 - r31 */ \
- {(3 << REG_X) | (3 << REG_Y) | (3 << REG_Z), \
+ {(3u << REG_X) | (3u << REG_Y) | (3u << REG_Z), \
0x00000000}, /* POINTER_REGS, r26 - r31 */ \
- {(3 << REG_X) | (3 << REG_Y) | (3 << REG_Z) | (3 << REG_W), \
+ {(3u << REG_X) | (3u << REG_Y) | (3u << REG_Z) | (3u << REG_W), \
0x00000000}, /* ADDW_REGS, r24 - r31 */ \
{0x00ff0000,0x00000000}, /* SIMPLE_LD_REGS r16 - r23 */ \
- {(3 << REG_X)|(3 << REG_Y)|(3 << REG_Z)|(3 << REG_W)|(0xff << 16), \
+ {(3u << REG_X)|(3u << REG_Y)|(3u << REG_Z)|(3u << REG_W)|(0xffu << 16),\
0x00000000}, /* LD_REGS, r16 - r31 */ \
{0x0000ffff,0x00000000}, /* NO_LD_REGS r0 - r15 */ \
{0xffffffff,0x00000000}, /* GENERAL_REGS, r0 - r31 */ \
https://gcc.gnu.org/r210418 Applied this patch in order to fixed build warnings like these gcc/reginfo.c:115:5: warning: narrowing conversion of ‘-1073741824’ from ‘int’ to ‘const unsigned int’ inside { } is ill-formed in C++11 [-Wnarrowing] gcc/reginfo.c:115:5: warning: narrowing conversion of ‘-268435456’ from ‘int’ to ‘const unsigned int’ inside { } is ill-formed in C++11 [-Wnarrowing] gcc/reginfo.c:115:5: warning: narrowing conversion of ‘-67108864’ from ‘int’ to ‘const unsigned int’ inside { } is ill-formed in C++11 [-Wnarrowing] gcc/reginfo.c:115:5: warning: narrowing conversion of ‘-16777216’ from ‘int’ to ‘const unsigned int’ inside { } is ill-formed in C++11 [-Wnarrowing] gcc/reginfo.c:115:5: warning: narrowing conversion of ‘-65536’ from ‘int’ to ‘const unsigned int’ inside { } is ill-formed in C++11 [-Wnarrowing] on I32 hosts that are caused by expressions like 3 << 30 in REG_CLASS_CONTENTS initializer. Johann * config/avr/avr.h (REG_CLASS_CONTENTS): Use unsigned suffix for shifted values to avoid build warning.